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WO2022226734A1 - Procédé de commande d'imagerie, dispositif d'imagerie médicale, et système d'imagerie - Google Patents

Procédé de commande d'imagerie, dispositif d'imagerie médicale, et système d'imagerie Download PDF

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Publication number
WO2022226734A1
WO2022226734A1 PCT/CN2021/089991 CN2021089991W WO2022226734A1 WO 2022226734 A1 WO2022226734 A1 WO 2022226734A1 CN 2021089991 W CN2021089991 W CN 2021089991W WO 2022226734 A1 WO2022226734 A1 WO 2022226734A1
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WO
WIPO (PCT)
Prior art keywords
user
duration
imaging device
breath
holding state
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2021/089991
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English (en)
Chinese (zh)
Inventor
闫浩
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Our United Corp
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Our United Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to PCT/CN2021/089991 priority Critical patent/WO2022226734A1/fr
Priority to CN202180095347.7A priority patent/CN116940283A/zh
Publication of WO2022226734A1 publication Critical patent/WO2022226734A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]

Definitions

  • the present application relates to the technical field of medical imaging, and in particular, to an imaging control method, a medical imaging device, and an imaging system.
  • Computed Tomography (English: Computed Tomography; Abbreviation: CT), Spectral CT, Cone Beam CT (English: Cone Beam CT; Abbreviation: CBCT), Magnetic Resonance Imaging (English: Magnetic Resonance Imaging; Abbreviation: MRI)
  • CT Computed Tomography
  • Spectral CT International tomography
  • Cone Beam CT International tomography
  • CBCT Cone Beam CT
  • Magnetic Resonance Imaging International Resonance Imaging; Abbreviation: MRI
  • the medical imaging device needs to emit X-rays to the part to be shot of the patient, and capture the projection data generated after the X-ray passes through the part to be shot of the patient, and then reconstruct the projection data. , images for clinical treatment can be obtained.
  • the patient's part to be photographed is the patient's lungs
  • the patient's lungs are in a relatively large range of motion during breathing, and when the medical imaging equipment captures the lungs with a relatively large range of motion, the obtained image Blurred and poor image quality.
  • Embodiments of the present application provide an imaging control method, a medical imaging device, and an imaging system.
  • the problem of poor imaging quality of the medical imaging equipment in the prior art can be solved, and the technical solution is as follows:
  • an imaging control method applied to a host in a medical imaging device, the method comprising:
  • the imaging device in the medical imaging device is controlled to perform a shooting operation on the target part until the shooting stop condition is satisfied;
  • the shooting operation includes:
  • the imaging device is controlled to suspend photographing the target part.
  • the shooting operation further includes:
  • determining that the user is in the breath-holding state including:
  • determining that the user is in the non-breath-holding state including:
  • the shooting operation further includes:
  • the shooting operation further includes:
  • first prompt information is generated, where the first prompt information is used to instruct to start shooting after the second time period has elapsed;
  • second prompt information is generated, where the second prompt information is used to instruct to suspend shooting after the first time period has elapsed.
  • the shooting operation further includes:
  • the first prompt information is generated, and after the second time period, the target part is photographed.
  • the method before performing the photographing operation on the target part, the method further includes:
  • the first duration and the second duration based on the first duration and the second duration, the first duration being less than or equal to the first duration and the second duration being less than or equal to the second duration.
  • the host is connected to a duration acquisition device to acquire a first duration in which the user is in a breath-holding state and a second duration in which the user is in a non-breath-holding state, including:
  • the first duration and the second duration that are triggered by the user on the duration acquiring device and are sent by the duration acquiring device are received.
  • the shooting stop condition includes at least one of a condition that the imaging device's shooting time of the target part is greater than a shooting time duration threshold, and the imaging device's shooting number of the target part is greater than a shooting number threshold.
  • a medical imaging device characterized by comprising: a processor, and a memory for storing executable instructions of the processor, wherein the processor is configured to perform the above-mentioned imaging control method.
  • the medical imaging device further includes: a control button, which is connected to a processor, and the processor is further configured to: when it is acquired that the user performs a first operation on the control button to trigger an instruction to start shooting , determine that the user is in the breath-holding state; when it is acquired that the user performs a second operation on the control button to trigger a shooting pause instruction, determine that the user is in the non-breath-holding state.
  • a control button which is connected to a processor, and the processor is further configured to: when it is acquired that the user performs a first operation on the control button to trigger an instruction to start shooting , determine that the user is in the breath-holding state; when it is acquired that the user performs a second operation on the control button to trigger a shooting pause instruction, determine that the user is in the non-breath-holding state.
  • the medical imaging device further includes:
  • the first frame used to install the bulb
  • a second frame used for installing a detector, the detector is arranged opposite to the bulb, and the area between the detector and the bulb is an imaging area;
  • a second rotary body connected to the first frame and the second frame respectively;
  • a driving assembly for driving the first rotary body to rotate in a first direction, and driving the second rotary body to rotate in a second direction opposite to the first direction, so as to make the bulb and the probe rotate
  • the sensors are rotated relative to the target site in the imaging area.
  • the driving assembly is configured to: when the bulb and the detector start to photograph the target site in the imaging area, control the first revolving body and the second revolving body Perform autorotation; when the bulb and the detector suspend the photographing of the target site, the first rotary body and the second rotary body are controlled to suspend the autorotation.
  • the detector is a double-layer flat panel detector.
  • an imaging system comprising: an imaging room, and a medical imaging device located in the imaging room, where the medical imaging device is the above-mentioned medical imaging device.
  • the imaging system further includes: a terminal communicatively connected to a host in the medical imaging device;
  • the terminal is configured to: send to the host a first duration and a second duration triggered by the user on the terminal, the first duration being the duration that the user is in a breath-holding state,
  • the second duration is the duration for which the user is in a non-breath-holding state.
  • a detection button is displayed on the display interface of the terminal.
  • the terminal is configured to: record the first moment after detecting that the user performs a third operation on the detection button to trigger the first instruction;
  • the imaging room has a first automatic door
  • the imaging system further includes: a control device and an identity verification device, the control device is respectively connected with the identity verification device and the first automatic door, the an authentication device located outside the imaging room;
  • the control device is configured to: control the first automatic door to open after the user's identity information is successfully verified by the identity verification device, and control the first automatic door to open for a preset time period.
  • the first automatic door closes.
  • the imaging room further has a second automatic door, and the second automatic door is connected to the control assembly;
  • the control device is further configured to: control the second automatic door to open after the medical imaging device completes the photographing of the target part of the user, and control the second automatic door to open for a preset time period.
  • the second automatic door is closed.
  • the imaging system further includes: the imaging system further includes: an inlet channel communicated with the first automatic door, an outlet channel communicated with the second automatic door, and a the sterilization equipment in the inlet channel and the outlet channel, the sterilization equipment is connected with the control assembly;
  • the control device is further configured to: after controlling the second automatic door to close, control the sterilization device to sterilize the imaging chamber, the access channel and the touch channel.
  • the imaging chamber includes a movable cabin.
  • the host in the medical imaging device can control the imaging device to start photographing the target part after determining that the user is in a state of holding his breath.
  • the host can also control the imaging device to suspend photographing the target part after determining that the user is in a non-breath-holding state. In this way, when the imaging device shoots a target part with a large movement range, the problem of low definition of the image including the target part occurs, and the imaging quality of the medical imaging device is effectively improved.
  • the imaging device in the medical imaging device only shoots the user's target part when the user is in a breath-holding state, and does not shoot the user's target part when the user is not in a breath-holding state. Therefore, the amount of radiation generated by the imaging device for the user can be effectively reduced.
  • FIG. 1 is a flowchart of an imaging control method provided by an embodiment of the present application
  • FIG. 2 is a flowchart of a shooting operation provided by an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a medical imaging device provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of another medical imaging device provided by an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of an imaging system provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of another imaging system provided by an embodiment of the present application.
  • FIG. 7 is a schematic structural diagram of another imaging system provided by an embodiment of the present application.
  • FIG. 1 is a flowchart of an imaging control method provided by an embodiment of the present application.
  • the imaging control method is applied to a host in a medical imaging device.
  • the medical imaging device may include: a host, and an imaging device connected to the host.
  • the imaging device has an imaging area, and the host can control the imaging device to image objects in the imaging area.
  • the imaging control method may include:
  • Step 101 After the user's target part is located in the imaging area of the medical imaging device, control the imaging device in the medical imaging device to perform a shooting operation on the target part until the shooting stop condition is satisfied.
  • FIG. 2 is a flowchart of a shooting operation provided by an embodiment of the present application.
  • the shooting operation may include:
  • Step 1011 when it is determined that the user is in a breath-holding state, control the imaging device to start photographing the target part.
  • Step 1012 when it is determined that the user is in a non-breath-holding state, control the imaging device to suspend photographing the target part.
  • the target site may be the user's lungs.
  • the user When the user holds his breath after inhaling, the user is in a breath-holding state, and the movement range of the user's lungs is small.
  • the user When the user exhales or inhales, the user is in a non-breath-holding state, and the movement range of the user's lungs is relatively large.
  • the host in the medical imaging device in this application will determine that when the user is in a breath-holding state, the imaging device will control the imaging device to start photographing the lungs, and when it is determined that the user is in a non-breath-holding state, it will control the imaging device to suspend the imaging of the lungs. Department to shoot. Therefore, the image containing the user's lungs obtained subsequently by the medical imaging device has a better effect.
  • Step 102 based on the projection data obtained by shooting, generate an image corresponding to the target part.
  • the medical imaging device after the medical imaging device's shooting of the user's target part satisfies the shooting stop condition, the medical imaging device can acquire the projection data obtained by shooting, and based on the projection data, generate a target part corresponding to the user's target part. image.
  • the host in the medical imaging device in the process of the imaging device in the medical imaging device performing the photographing operation on the target part of the user, can determine that the user is in After the breath-holding state, the imaging device is controlled to start photographing the target part, and the host can also control the imaging device to suspend photographing the target part after determining that the user is in a non-breath-holding state.
  • the imaging device shoots a target part with a large movement range, the problem of low definition of the image including the target part occurs, and the imaging quality of the medical imaging device is effectively improved.
  • the imaging device in the medical imaging device only shoots the user's target part when the user is in a breath-holding state, and does not shoot the user's target part when the user is not in a breath-holding state. Therefore, the amount of radiation generated by the imaging device for the user can be effectively reduced.
  • the host in the medical imaging device can control the imaging device to perform a shooting operation on the target part.
  • the host determines that the imaging device's shooting of the target part satisfies the shooting stop condition, the host can control the imaging device to stop shooting the target part, and execute step 102 .
  • the shooting stop condition may include at least one of: a condition that the imaging device's shooting duration of the target part is greater than a shooting duration threshold;
  • the shooting of the target site by the imaging device can satisfy the shooting stop condition; or, when the number of shots of the target site by the imaging device is greater than the shooting number threshold, The shooting of the target part by the imaging device can satisfy the shooting stop condition; or, when the shooting time of the imaging device on the target part is greater than the shooting time length threshold, and the number of shots of the target part by the imaging device is greater than the shooting times threshold, the imaging device will The shooting of the target part can satisfy the shooting stop condition.
  • the present application can set at least one of the threshold for the number of shots and the threshold for the duration of shooting, so that the imaging device in the medical imaging device can shoot the target part after satisfying the shooting stop condition. , the medical imaging device can subsequently obtain images of corresponding functions.
  • the host in the medical imaging device determines that the user is in a breath-holding state or a non-breath-holding state.
  • the user triggers different control instructions by himself, so that the host in the medical imaging device
  • different control commands triggered by the user it is determined whether the current user is in a breath-holding state or a non-breath-holding state.
  • the shooting operation performed by the host in the medical imaging device in the embodiment of the present application may further include: when a user-triggered start shooting instruction is acquired, determining that the user is in a state of holding his breath; When pausing the shooting command, it is determined that the user is in a non-breath-holding state.
  • the medical imaging device has control buttons.
  • the user can perform a first operation on the control button to trigger the start shooting instruction; the user can also perform a second operation on the control button to trigger the shooting pause instruction.
  • determining that the user is in a breath-holding state when a shooting start instruction triggered by the user is acquired in the above shooting operations may include: after acquiring the user's first operation on the control button to trigger the shooting start instruction , it is determined that the target part is in a stationary shooting state.
  • determining that the user is in a non-breath-holding state when a shooting pause instruction triggered by the user is acquired may include: when acquiring the user's second operation on the control button to trigger the shooting pause instruction, determining that the user is in a non-breath-holding state. in a non-breathing state.
  • the first operation performed by the user on the control button may be: a long-press operation performed on the control button; the second operation performed by the user on the control button may be: a stop pressing operation performed on the control button, that is, The control button is not pressed.
  • the first operation performed by the user on the control button may also be: a pressing operation performed on the control button during the process of suspending the shooting of the medical imaging device;
  • the second operation may also be: a pressing operation on the control button during the process of photographing by the medical imaging device.
  • the first operation and the second operation performed by the user on the control button may also be other types of pressing operations, which are not limited in this embodiment of the present application.
  • control buttons in the medical imaging device may be integrated in the handheld device, and the handheld device may be connected to the host in the medical imaging device.
  • the medical imaging device performs a photographing operation on the user's target part
  • the user can hold the handheld device so that the user can perform the first operation or the second operation on the control buttons in the handheld device.
  • the target part of the user is the lungs, that is, the medical imaging device needs to image the lungs of the user.
  • the host in the medical imaging device can control the imaging device to perform a photographing operation on the user's lung.
  • the user when the user is in a breath-holding state, that is, when the lungs in use are in a breath-holding state, the user can perform a first operation on the control button to trigger the shooting start instruction, and the host in the medical imaging device is in After obtaining the start shooting instruction, it is determined that the user's lungs are in a breath-holding state, and the imaging device is controlled to start shooting the user's lungs; when the user needs to breathe, that is, the used lungs are about to be in a breath-holding state. When changing to a non-breath-holding state, the user can perform a second operation on the control button to trigger a shooting pause instruction. After acquiring the pause shooting instruction, the host in the medical imaging device determines that the user's lungs are in a non-breath-holding state. and control the imaging device to suspend photographing the user's lungs.
  • the host in the medical imaging device when the host in the medical imaging device obtains the start shooting instruction triggered by the user, the host does not need to perform the action of determining that the user is in the breath-holding state, but It is the action of directly controlling the imaging device to start photographing the target part of the user.
  • the host in the medical imaging device obtains the instruction to pause the shooting triggered by the user, the host does not need to perform the action of determining that the user is in a non-breath-holding state, but directly controls the imaging device to suspend the shooting of the target part of the user. action.
  • the host in the medical imaging device can determine the current Whether the user is in a breath-holding state or a non-breath-holding state.
  • the shooting operation performed by the host in the medical imaging device in the embodiment of the present application may further include: after the imaging device in the medical imaging device continuously shoots the target part of the user for a first period of time, determining that the user is holding his breath state; it is determined that the user is in a non-breath-holding state after the imaging device in the medical imaging device continuously suspends the shooting of the target part of the user for a second period of time.
  • the shooting operation performed by the host in the medical imaging device may further include: after determining that the user is in a non-breath-holding state, Generate first prompt information; after it is determined that the user is in a state of holding the breath, generate second prompt information.
  • the first prompt information is used to instruct to start shooting after the second time period has elapsed
  • the second prompt information is used to instruct to suspend shooting after the first time period has elapsed.
  • first prompt information and the second prompt information may both be at least one of voice prompt information and text prompt information.
  • the medical imaging device may have an audio player connected to the host. After the host in the medical imaging device determines that the user is in a non-breath-holding state, after the host sends a first prompt message through the audio player, the user can control the target part after a second time period according to the first prompt message From a non-breath-holding state to a breath-holding state. After the host in the medical imaging device determines that the user is in a breath-holding state, after the host sends a second prompt message through the audio player, the user can, according to the second prompt message, control the target part by The breath-hold state changes to a non-breath-hold state.
  • the medical imaging device may have a display connected to the host. After the host in the medical imaging device determines that the user is in a non-breath-holding state, after the host displays the first prompt information on the display, the user can control the target part from the non-breathing state after the second period of time according to the first prompt information.
  • the breath hold state changes to the breath hold state.
  • the host in the medical imaging device determines that the user is in the breath-holding state
  • the host displays the second prompt information on the display the user can control the target part to change from the breath-holding state after the first time period according to the second prompt information. Transition to a non-breath-holding state.
  • the shooting operation performed by the host in the medical imaging device may further include: after the user's target part is located in the imaging area, generating first prompt information, and after a second time period, the target part of the person to be photographed.
  • the medical imaging device may have a human body detection component connected to the host, and the host may detect whether the target part of the user is located in the imaging area of the medical imaging device through the human body detection component. If it is detected by the human body detection component that the user's target part is located in the imaging area, the host can generate first prompt information, and control the imaging device to photograph the target part after a second time period. Afterwards, the host may control the imaging device to suspend photographing of the target part after the imaging device continues to photograph for the first time period, and control the imaging device to start photographing the target part after the imaging device continues to suspend photographing for the second period of time. Until the shooting of the target part of the imaging device satisfies the shooting stop condition, the host may control the imaging device to stop shooting the target part.
  • the host in the medical imaging device detects that the user's lungs are located in the imaging area of the medical imaging device through the human body detection component, the host can generate first prompt information, and the user can continue to continue according to the prompt of the first prompt information. Breathing and holding your breath after a second period of time, the host in the medical imaging device may control the imaging device to photograph the user's lungs after the second period of time.
  • the host Before the host controls the imaging device to photograph the user's lungs, the host may generate second prompt information, and the user may start to hold the breath for at least the first duration according to the prompt of the second prompt information.
  • the host controls the imaging device to continuously photograph the user's lungs for the first time period, the host determines that the user's lungs are in a non-breath-holding state (that is, the user starts breathing), generates first prompt information, and controls the imaging device After suspending the photographing of the user's lungs, the user can start breathing according to the prompt of the first prompt information and hold his breath after continuing to breathe for a second period of time.
  • the host determines that the user's lungs are in a breath-holding state (that is, the user starts to hold their breath), generates a second prompt message, and controls the imaging to start using
  • the user can take pictures of the lungs of the user, and the user can start to hold the breath according to the prompt of the second prompt information, and start breathing after holding the breath for at least the first time period.
  • the host in the medical imaging device determines that the imaging device continues to shoot the target part of the user for the first duration, the host does not need to perform the determination that the user is in a non-contact state.
  • the action in the breath-holding state is the action of directly controlling the imaging device to suspend the photographing of the target part of the user, and the operation of generating the first prompt information.
  • the host in the medical imaging device determines that the imaging device continues to suspend the shooting of the target part of the user for a second period of time, the host does not need to perform the action of determining that the user is in a breath-holding state, but directly controls the imaging device to start shooting the user.
  • the action of photographing the target part, and the operation of generating the second prompt information is the host in the medical imaging device determines that the imaging device continues to shoot the target part of the user for the first duration.
  • the host in the medical imaging device determines that the user is in the breath-holding state or the non-breath-holding state
  • the second optional implementation when the second optional implementation is used, the host in the medical imaging device needs to obtain the first 1st time and 2nd time.
  • the first duration may be the duration for which the user is in the breath-holding state
  • the second duration may be the duration for which the user is in the non-breath-holding state.
  • the first duration may be obtained by counting the duration of breath-holding state of each user in the crowd, and the second duration may be obtained by calculating The duration of the breath-holding state is calculated by statistics.
  • the first duration is determined according to the duration that the user is in the breath-holding state
  • the second duration is determined according to the duration that the user is in the non-breath-holding state.
  • the imaging control method may further include: acquiring a first duration that the user is in the breath-holding state continuously, and the user is continuously in the breath-holding state. a second duration of the non-breath-holding state; based on the first duration and the second duration, the first duration and the second duration are generated.
  • the first duration is less than or equal to the first duration
  • the second duration is less than or equal to the second duration.
  • the corresponding first duration and the second duration can be set according to each user's own situation, which can further improve the quality of the image obtained after the user's target part is photographed.
  • the host in the medical imaging device may be connected with the duration acquisition device.
  • acquiring the first duration in which the user is in the breath-holding state continuously, and the second duration in which the user is in the non-breath-holding state may include: receiving the data sent by the duration acquisition device and sent by the user on the duration acquisition device. Triggered first duration and second duration. It should be noted that there are many types of duration acquisition devices connected to the host in the medical imaging device, and for different types of duration acquisition devices, the host in the medical imaging device acquires the first duration and the second duration. The way is also different. Therefore, the embodiments of the present application are schematically described in the following two achievable manners:
  • the duration acquiring device may be a control panel in a medical imaging device, and a window for inputting duration information may be displayed in the control panel.
  • the user roughly tests the first duration of the breath-holding state and the second duration of the non-breath-holding state.
  • the user can then enter the first duration and the second duration in windows in the control panel.
  • the control panel can send the first duration and the second duration input by the user to the host in the medical imaging device, so that the host in the medical imaging device can obtain the first duration and the second duration.
  • the duration acquisition device may be a terminal, and a communication connection is established between the terminal and the medical imaging device.
  • a window can be displayed on the display interface of the terminal, and the function of the window can be the same as the function of the window displayed by the control panel in the first implementation manner. Enter the first duration and the second duration in .
  • the host in the medical imaging device obtains the first duration and the second duration, reference may be made to the corresponding content in the first achievable manner, and details are not described herein again.
  • a detection button may be displayed on the display interface of the terminal.
  • the terminal may detect different operations performed by the user on the detection button to trigger different instructions to acquire the first duration and the second duration.
  • the manner in which the terminal obtains the first duration and the second duration may include: after detecting the third operation performed by the user on the detection button to trigger the first instruction, recording the first moment; After detecting the fourth operation of the button to trigger the second command, record the second moment; after detecting that the user performs the third operation on the detection button to trigger the first command, record the third moment;
  • the length of time between the moments is determined as the first duration of time, and the length of time between the second and third moments of time is determined as the second duration of time.
  • the terminal may send the first duration and the second duration to the host in the medical imaging device, so that the host in the medical imaging device The first duration and the second duration can be obtained.
  • the terminal may perform the process of obtaining the first duration and the second duration multiple times, and store the obtained multiple first durations. The average of the durations is taken as the final first duration, the average of the obtained multiple second durations is taken as the final second duration, and the final first duration and the final second duration can be Sent to the host in the medical imaging device.
  • the third operation performed by the user on the detection button may be: a long-press operation on the detection button; the fourth operation performed by the user on the detection button may be: a stop pressing operation performed on the detection button, that is, The detection button is not pressed.
  • the third operation and the fourth operation performed by the user on the detection button may also be other types of pressing operations, which are not limited in this embodiment of the present application.
  • the target part of the user is the lungs, that is, the imaging device in the medical imaging equipment needs to image the lungs of the user.
  • the user Before the imaging device performs a photographing operation on the user's lungs, the user needs to perform a process of acquiring the first duration and the second duration on the terminal.
  • the user when the user is in a breath-holding state, that is, when the lungs in use are in a breath-holding state, the user can perform a third operation on the detection button to trigger the first command, and the terminal records the first moment when the first command is detected.
  • the user can perform a fourth operation on the detection button to trigger the second instruction, and the terminal detects the second instruction when the record the second moment; after the user completes breathing and enters the breath-holding state, that is, when the used lung is about to change from the non-breath-holding state to the breath-holding state, the user can perform a third operation on the detection button to trigger the first command, The terminal records the third moment after detecting the first instruction. Afterwards, the terminal may determine the duration between the first moment and the second moment as the first duration, and determine the duration between the second moment and the third moment as the second duration.
  • the user's target part for example, the lungs
  • the user needs to cooperate with the operator of the medical imaging device.
  • the operator asks the user to hold their breath, the user needs to keep the breath-holding state, and the operator controls the medical imaging equipment to take pictures of the user's lungs; when the operator asks the user to breathe, the user can stop holding the breath and Breathing is performed, and the operator controls the medical imaging device to suspend the imaging of the user's lungs.
  • the operator cannot accurately assess the user's vital capacity.
  • the breathing phenomenon of the user due to the user's inability to hold their breath is likely to occur. In this way, the obtained image including the user's lungs obtained by the medical imaging device is relatively blurred.
  • the host in the medical imaging device can automatically determine whether the user is in a breath-holding state or a non-breath-holding state through the above two optional implementation methods, and after determining that the user is in a breath-holding state, the medical imaging The host in the device can control the imaging device to start photographing the target part, and after determining that the user is in a non-breath-holding state, the host in the medical imaging device can control the imaging device to suspend photographing the target part.
  • the host in the medical imaging device determines whether the user is in a breath-holding state or a non-breath-holding state, it is triggered by the user himself without the operator's intervention.
  • the target part of the user can always be in a breath-holding state.
  • the imaging control method provided by the embodiments of the present application, the user can complete the imaging of the target site in the medical imaging device by himself, and automatic imaging can be realized without operator intervention.
  • the imaging control method is applied to imaging a target part of a user suffering from an infectious disease, the risk of the operator being infected can be effectively reduced.
  • the host in the medical imaging device in the process of the imaging device in the medical imaging device performing the photographing operation on the target part of the user, can determine that the user is in After the breath-holding state, the imaging device is controlled to start photographing the target part, and the host can also control the imaging device to suspend photographing the target part after determining that the user is in a non-breath-holding state.
  • the imaging device shoots a target part with a large movement range, the problem of low definition of the image including the target part occurs, and the imaging quality of the medical imaging device is effectively improved.
  • the imaging device in the medical imaging device only shoots the user's target part when the user is in a breath-holding state, and does not shoot the user's target part when the user is not in a breath-holding state. Therefore, the amount of radiation generated by the imaging device for the user can be effectively reduced.
  • Embodiments of the present application further provide a medical imaging device, where the medical imaging device may include: a processor, and a memory for storing executable instructions of the processor.
  • the processor is configured to execute the above-mentioned imaging control method.
  • the imaging control method may be the imaging control method shown in FIG. 1 . It should be noted that both the processor and the memory in the medical imaging device can be integrated in the host.
  • the medical imaging device further includes: a control button connected with the processor.
  • the processor is further configured to: determine that the user is in a state of holding his breath when it is acquired that the user performs a first operation on the control button to trigger an instruction to start shooting; and when acquiring that the user performs a second operation on the control button to trigger a pause shooting instruction , it is determined that the user is in a non-breath-holding state.
  • the medical imaging device may be a CT device, a CBCT device, an MRI device, a vertical CBCT device, or the like. It should be noted that, in the following embodiments, the medical imaging device is a vertical CBCT device as an example for schematic illustration.
  • FIG. 3 is a schematic structural diagram of a medical imaging device provided by an embodiment of the present application.
  • the medical imaging apparatus may further include: a first gantry 100 , a second gantry 200 , a bulb 300 , a detector 400 , a first rotating body 500 , a second rotating body 600 and a driving assembly (not shown in the figure).
  • the bulb 300 and the detector 400 can constitute an imaging device in a medical imaging apparatus.
  • the bulb 300 can be installed on the first frame 100
  • the detector 400 can be installed on the second frame 200 .
  • the detector 400 in the medical imaging device 000 is disposed opposite to the bulb 300
  • the area between the detector 400 and the bulb 300 is the imaging area of the medical imaging device.
  • the detector 400 may be a flat panel detector, and the manufacturing cost of the flat panel detector is generally low.
  • the flat panel detector may be a double-layer flat panel detector. After the X-ray emitted by the bulb 300 passes through the target object, the double-layer flat panel detector can acquire high-energy projection data and low-energy projection data, and generate two images of different energy levels. Since the two images with different energy levels have their own advantages in imaging soft tissue and bone in the target object, subsequent clinical diagnosis based on the two images with different energy levels is better.
  • the first rotary body 500 may be located between the first frame 100 and the second frame 200 , and the first rotary body 500 is neither connected with the first frame 100 nor connected with the second frame 200 .
  • the first revolving body 500 can revolve with respect to the first frame 100 and the second frame 200 .
  • the second rotating body 600 can be fixedly connected with the first frame 100 and the second frame 200 respectively, and the second rotating body 600 can drive the first frame 100 and the second frame 200 to rotate at the same time.
  • the driving assemblies are respectively connected with the first rotary body 500 and the second rotary body 600 .
  • the driving assembly is used for driving the first rotating body 500 to rotate in the first direction, and driving the second rotating body 600 to rotate in the second direction, so that both the bulb 300 and the detector 400 rotate relative to the target site in the imaging area.
  • the first direction may be one of a clockwise direction and a counterclockwise direction
  • the second direction may be the other of a clockwise direction and a counterclockwise direction. In this way, the imaging time of the medical imaging device can be shortened, the imaging efficiency of the medical imaging device can be improved, and the radiation dose of the medical imaging device to the patient can be reduced.
  • the first rotating body 500 may be cylindrical, for example, the shape of the bottom surface of the first rotating body 500 may be circular. In this way, the first rotating body 500 can carry a user, and when the user is on the first rotating body 500, the target part of the user can be located in the imaging area.
  • the second rotating body 600 may be annular, for example, the shape of the bottom surface of the second rotating body 600 may be annular. In this way, driven by the driving component, the first rotating body 500 can allow the user on the first rotating body 500 to rotate, and during the rotation process, the first rotating body 500 is opposite to the user. stationary. Driven by the driving assembly, the second rotating body 600 can rotate in the opposite direction around the user.
  • both the first rotating body 500 and the second rotating body 600 are located on the first reference plane, and the first rotating body 500 is located in the area enclosed by the second rotating body 600 .
  • Both the 500 and the second rotating body 600 can be movably connected with respect to the first reference surface.
  • the surfaces of the first rotating body 500 and the second rotating body 600 may be flush with the first reference surface S, so that it is convenient for the patient to walk.
  • the first rotating body 500 may be located on a first reference surface
  • the second rotating body 600 may be located on a second reference surface disposed opposite to the first reference surface
  • the first rotating body 500 can be articulated relative to the first reference plane
  • the second rotating body 600 can be articulated relative to the second reference plane.
  • first reference surface in the embodiment of the present application refers to the floor of the treatment room
  • second reference surface refers to the surface where the ceiling of the treatment room is located.
  • the driving assembly can drive the first rotating body 500 to rotate around the rotation axis L1 of the first rotating body 500 along the first direction, and the rotating axis L1 can be coincident with the central axis of the first rotating body 500 .
  • the driving assembly can drive the second rotating body 600 to rotate around the rotation axis L2 of the second rotating body 600 in the second direction, and the rotating axis L2 can be coincident with the central axis of the second rotating body 600 .
  • the rotation axis L1 of the first rotating body 500 and the rotating axis L2 of the second rotating body 600 are collinear.
  • the driving component needs to drive the first rotating body 500 and the second rotating body 600 to rotate, and it is necessary to ensure that both the tube 300 and the detector 400 need to rotate at least relative to the target object in the imaging area. In this way, after performing 3D reconstruction on multiple 2D images obtained at different shooting angles, a 3D image corresponding to the target object can be obtained.
  • both the bulb 300 and the detector 400 need to be relative to each other.
  • the target object in the imaging area rotates. Since the rotation direction of the first rotating body 500 and the rotation direction of the second rotating body 600 are opposite, the speed at which the tube 300 and the detector 400 rotate relative to the target object in the imaging area higher, effectively improving the imaging efficiency of medical imaging equipment.
  • the driving assembly drives the first rotating body 500 and the second rotating body 600 to rotate at a low speed. For example, when the driving assembly drives the first rotating body 500 and the second rotating body 600 to rotate, the rotation angle per second needs to be less than 7 degrees.
  • the medical imaging device may use the bulb 300 and the detector 400 to photograph the target site within the imaging area.
  • the driving component in the medical imaging device may be configured to: when the bulb 300 and the detector 400 start to photograph the target part in the imaging area, control the first revolving body 500 and the second revolving body 600 to rotate; When the tube 300 and the detector 400 suspend the photographing of the target site in the imaging area, the first revolving body 500 and the second revolving body 600 are controlled to suspend their rotation. In this way, it can be ensured that when the bulb 300 and the detector 400 start to photograph the target site, the bulb 300 and the detector 400 can be photographed at different shooting angles, avoiding the need for the bulb 300 and the detector 400 to suspend the shooting of the target. When the part is photographed, because the first revolving body 500 and the second revolving body 600 are still rotating, a phenomenon that cannot be photographed at a certain photographing angle occurs.
  • FIG. 4 is a schematic structural diagram of another medical imaging device provided by an embodiment of the present application.
  • the medical imaging apparatus may further include: a patient support device 700 .
  • the patient support device 700 may be located between the first gantry 100 and the second gantry 200, and the patient support device 700 is used to support the patient.
  • the patient support device 700 can be a chair, and the patient can sit on the patient support device 700; the patient support device 700 can also be a bed, and the patient can lie on the patient support device 700.
  • the first rotary body 500 in the medical imaging apparatus may be fixedly connected with the patient support device 700 .
  • the drive assembly in the medical imaging device may include: a drive motor (not shown in the figure) and at least one transmission mechanism (not shown in the figure).
  • the at least one transmission mechanism may include: a first transmission mechanism for connecting the driving motor and the first rotary body 500 , and a second transmission mechanism for connecting the driving motor and the second rotary body 600 .
  • the driving assembly can drive the first rotary body 500 to rotate through the drive motor and the first transmission mechanism; the driving assembly can also drive the second rotary body 600 to rotate through the driving electrode and the second transmission mechanism.
  • each transmission mechanism in the drive assembly includes, but is not limited to, a gear pair transmission mechanism, a belt transmission mechanism, a rack and pinion transmission mechanism, and the like.
  • first frame 100 and the tube 300 in the medical imaging device may be fixedly connected, and the second frame 200 and the detector 400 may be fixedly connected.
  • the medical imaging device may further include: a first sliding assembly (not shown in the figure) connected with the first frame 100 and the tube 300 respectively, and respectively connected with the second machine A second sliding assembly (not shown in the figure) connecting the frame 200 and the detector 400 .
  • the first sliding assembly is used to drive the ball tube 300 to move on the first frame 100, for example, the ball tube 300 can be moved along the length direction of the first frame 100 by the first sliding assembly; the second sliding assembly is used for The detector 400 is driven to move on the second rack 200 , for example, the detector 400 can move along the length direction of the second rack 200 through the second sliding assembly.
  • the position of the imaging area in the medical imaging device 000 can be adjusted, This enables the medical imaging apparatus 000 to image any part of the patient.
  • FIG. 5 is a schematic structural diagram of an imaging system provided by an embodiment of the present application.
  • the imaging system may include: a treatment room 001 and a medical imaging device 000 .
  • the medical imaging apparatus 000 may be the medical imaging apparatus in the above-mentioned embodiments, for example, the medical imaging apparatus 000 may be the medical imaging apparatus shown in FIG. 3 or FIG. 4 .
  • FIG. 6 is a schematic structural diagram of another imaging system provided by an embodiment of the present application.
  • the imaging system may further include: a terminal 002 communicatively connected to a host in the medical imaging apparatus 000 .
  • the patient can use the terminal 002 or an application program in a virtual reality device (such as VR glasses, helmets, etc.) to simulate the above-mentioned imaging control method, and perform pre-training on breath-holding and breathing, so as to control the imaging device to perform imaging acquisition or pause imaging. collection.
  • a virtual reality device such as VR glasses, helmets, etc.
  • the imaging system may further include: a server, which may be communicatively connected to the host in the medical imaging device 000 and the terminal 002, respectively, so that the terminal 002 may be communicatively connected to the host in the medical imaging device 000 through the server.
  • a server which may be communicatively connected to the host in the medical imaging device 000 and the terminal 002, respectively, so that the terminal 002 may be communicatively connected to the host in the medical imaging device 000 through the server.
  • the terminal 002 is configured to send the first duration and the second duration triggered by the user on the terminal 002 to the host in the medical imaging device 000 .
  • the first duration is the duration for which the user is in the breath-holding state
  • the second duration is the duration for which the user is in the non-breath-holding state.
  • the host in the medical imaging device 000 can set the first duration for which the medical imaging device 000 continuously shoots the target part of the user, and the The target part of the target part is continuously suspended for a second period of time, so that the host in the medical imaging apparatus 000 can control the imaging device to perform a shooting operation on the user's target part.
  • a detection button is displayed on the display interface of the terminal 002 .
  • the terminal 002 is configured to: record the first moment after detecting that the user performs a third operation on the detection button to trigger the first instruction; after detecting that the user performs a fourth operation on the detection button to trigger the second instruction, Record the second time; after detecting that the user performs a third operation on the detection button to trigger the first instruction, record the third time; determine the time duration between the first time and the second time as the first duration, and set the The duration between the second time instant and the third time instant is determined as the second duration.
  • FIG. 7 is a schematic structural diagram of another imaging system provided by the embodiment of the present application.
  • the imaging chamber 001 in the imaging system has a first automatic door 001a.
  • the imaging system may further include: a control device (not marked in the figure) and an identity verification device 004 .
  • the control device may be integrated into the host in the medical imaging device 000 , or may be a separate device located outside the host in the medical imaging device 000 .
  • the control device can be connected to the identity verification device 004 and the first automatic door 001a, respectively.
  • the authentication device 004 may be located outside the imaging room 001 .
  • the control device is configured to: control the first automatic door 001a to open after the authentication information of the user is successfully verified by the identity verification device 004, and control the first automatic door 001a to close after the first automatic door 001a is opened for a preset time period .
  • the user when the user needs to use the imaging system to image the target part of the user, the user can make a reservation through an application program installed on the terminal, and after the reservation is successful, the terminal can generate the user's identity information, the The identity information may include: the user's name, gender, ID number, and time period information for using the medical imaging device.
  • the authentication device 004 may include a scanning component. After the user makes an appointment on the terminal, the terminal can generate a two-dimensional code or barcode corresponding to the user's identity information. In this way, the scanning component can obtain the user's identity information by scanning the two-dimensional code or barcode provided by the user.
  • the authentication device 004 may include a biometric acquisition component. After the user successfully makes an appointment on the terminal, the user also needs to enter the user's biometric characteristics (eg, fingerprint, voiceprint, or face, etc.) on the terminal. In this way, the biometric feature acquisition component can acquire the user's identity information by collecting the user's biometric features.
  • biometric characteristics eg, fingerprint, voiceprint, or face, etc.
  • the identity verification device 004 After the identity verification device 004 obtains the user's identity information, it can verify the user's identity information. After the verification is successful, the control device can control the opening of the first automatic door 001a to allow the user to enter the imaging room 001. . After the verification fails, the control device will not control the opening of the first automatic door 001a.
  • the imaging room 001 in the imaging system has a second automatic door 001b.
  • the second automatic door 001b can be connected to a control device.
  • the control device is further configured to: control the second automatic door 001b to open after the medical imaging device 000 completes the photographing of the target part of the user, and control the second automatic door 001b to close after the second automatic door 001b is opened for a preset period of time .
  • control device may also be connected to the medical imaging device 000, and after the medical imaging device 00's shooting operation on the user's target part satisfies the shooting stop condition, the medical imaging device 000 may send a shooting completion instruction to the control device. After the control device receives the shooting completion instruction, the control device may control the second automatic door 001b to open, and control the second automatic door 001b to close after the second automatic door 001b is opened for a preset time period.
  • the imaging system may further include: voice prompting devices (not shown in the figure) located in the imaging room 001 and outside the imaging room 001, and the voice prompting device can issue instructions for imaging to the user Audio for voice prompts on how the system is used.
  • voice prompting devices not shown in the figure
  • the operator enters the imaging room 001 through the first automatic door 001a through the voice prompt audio issued by the voice prompt device, and the medical imaging equipment 000 in the imaging room 001 images the target part of the user. After the imaging is completed, it will go out from the imaging room 001 through the second automatic door 001b by itself.
  • the imaging system When the imaging system is used in the scenario of epidemic screening, since the patient can enter the imaging room 001 by himself, and the imaging process can be completed by the medical imaging device 000 in the imaging room 001, no other operator needs to intervene, which can effectively reduce the need for other operators to intervene. Risk of operator infection.
  • the imaging system may further include: an inlet channel 005 communicated with the first automatic door 001a, an outlet channel 006 communicated with the second automatic door 001b, and the imaging chamber 001, the inlet channel 005 and the outlet channel 006 Sterilize equipment 007.
  • the disinfection device 007 can be connected to a control device.
  • the control device 007 is further configured to control the sterilization device 007 to sterilize the imaging chamber 001 , the entry passage 005 and the exit passage 006 after controlling the second automatic door to close.
  • the probability of virus transmission can be minimized through the entry channel 005 and the exit channel 006 .
  • the imaging room 001 , the entry channel 005 and the exit channel 006 are sterilized by the sterilizing equipment 007 , which can further reduce the probability of virus transmission.
  • the imaging capsule 001 in the imaging system may include a movable capsule.
  • the imaging cabin 001 can be moved to the area that needs to be screened for epidemic situation, such as hospitals or communities, through the movable cabin, and users in this area can enter the imaging cabin After entering 001, the target part of the user is imaged by the medical imaging device 000 by itself.
  • the cabin 001 may be a cabin with shielding properties.
  • the medical imaging equipment when the patient uses the medical imaging equipment in the cabin 001, the medical imaging equipment will only generate radiation in the cabin 001, and the radiation will not leak out from the cabin 001, preventing personnel located outside the cabin 001. exposed to radiation.
  • the material of the transparent part can be transparent glass made of a material with a radiation blocking function, such as lead glass.
  • the transparent portion in the pod 001 may be a window integrated on the pod 001 .
  • the transparent glass material containing metallic lead can not only effectively shield the radiation in the cabin, but also reduce the probability of claustrophobia of patients in the cabin during use.
  • Embodiments of the present application also provide a computer-readable storage medium.
  • the computer-readable storage medium stores instructions that, when executed on the processing component, cause the processing component to perform the imaging control method shown in FIG. 1 .

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Abstract

L'invention concerne un procédé de commande d'imagerie, un dispositif d'imagerie médicale et un système d'imagerie, qui font partie du domaine technique des images médicales. Pendant le processus d'exécution d'une opération de photographie d'une partie cible d'un utilisateur par un appareil d'imagerie dans le dispositif d'imagerie médicale, un hôte dans le dispositif d'imagerie médicale peut commander l'appareil d'imagerie pour démarrer la photographie de la partie cible après qu'il a été déterminé que l'utilisateur se trouve dans un état de retenue de la respiration (1011) ; et l'hôte peut également commander l'appareil d'imagerie pour mettre en pause la photographie de la partie cible après qu'il a été déterminé que l'utilisateur est se trouve dans un état de non-retenue de la respiration (1012). De cette manière, le problème de la définition d'une image, laquelle comprend la partie cible, qui est relativement faible lorsque l'appareil d'imagerie photographie la partie cible, dont la plage de mouvement est relativement grande, peut être évité, ce qui permet d'améliorer efficacement la qualité d'imagerie du dispositif d'imagerie médicale.
PCT/CN2021/089991 2021-04-26 2021-04-26 Procédé de commande d'imagerie, dispositif d'imagerie médicale, et système d'imagerie Ceased WO2022226734A1 (fr)

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PCT/CN2021/089991 WO2022226734A1 (fr) 2021-04-26 2021-04-26 Procédé de commande d'imagerie, dispositif d'imagerie médicale, et système d'imagerie
CN202180095347.7A CN116940283A (zh) 2021-04-26 2021-04-26 成像控制方法、医用成像设备及成像系统

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100098316A1 (en) * 2008-10-13 2010-04-22 George Yiorgos Papaioannou Dynamic biplane roentgen stereophotogrammetric analysis
CN104000653A (zh) * 2013-02-21 2014-08-27 西门子公司 用于自动开门和/或关门的装置和方法
CN106419918A (zh) * 2016-09-13 2017-02-22 深圳市贝斯达医疗股份有限公司 一种磁共振扫描触发装置及磁共振扫描控制系统与方法
CN108742680A (zh) * 2018-06-29 2018-11-06 上海联影医疗科技有限公司 医学影像设备
JP2020043882A (ja) * 2018-09-14 2020-03-26 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔ装置及び撮影計画装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100098316A1 (en) * 2008-10-13 2010-04-22 George Yiorgos Papaioannou Dynamic biplane roentgen stereophotogrammetric analysis
CN104000653A (zh) * 2013-02-21 2014-08-27 西门子公司 用于自动开门和/或关门的装置和方法
CN106419918A (zh) * 2016-09-13 2017-02-22 深圳市贝斯达医疗股份有限公司 一种磁共振扫描触发装置及磁共振扫描控制系统与方法
CN108742680A (zh) * 2018-06-29 2018-11-06 上海联影医疗科技有限公司 医学影像设备
JP2020043882A (ja) * 2018-09-14 2020-03-26 キヤノンメディカルシステムズ株式会社 Ｘ線ｃｔ装置及び撮影計画装置

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