CN111657898A - Inspection and sedation monitoring system - Google Patents

Abstract

The present invention provides an examination sedation monitoring system, comprising: an auxiliary breathing device, which is configured to assist a subject to breathe during an examination; an auxiliary medication device, which is configured to apply medicine to the subject during the examination; a monitoring device , configured to monitor the vital signs of the subject; and a control device, configured to control the auxiliary breathing device and the auxiliary medication device according to the vital signs of the subject when the detection device detects the subject. In the inspection and monitoring system provided by the present invention, a control device is added, so that assisted breathing or medication can be performed at the first time through the data monitored by the monitoring device.

Description

A check sedation monitoring system

technical field

The invention belongs to the technical field of medical equipment, and in particular relates to an examination and sedation monitoring system.

Background technique

At present, in clinical work, there are special medical groups such as children and mentally disabled adults. When performing some non-invasive and painless MRI and CT examinations that require the cooperation of patients, they will cry because of fear and cannot cooperate with the examination. Adequate and moderate sedation is required during noninvasive and painless examinations. However, the individual differences of different subjects are large, the condition varies greatly, and the dosage of medication is different. It is not easy to control the medication. If the dose is too small, it may cause the subject to wake up and struggle to complete the examination. If the dose is too large Or when the subject itself suffers from congenital heart disease, epilepsy, pneumonia, or congenital malformation, if a little carelessness occurs, the subject may experience respiratory and cardiac arrest, brain dysfunction and other critical situations. In the current clinical work, it often happens that halfway through the examination, the examination is stopped to appease the subject or even rescue, and then the drug examination is carried out again, or even the MRI and CT examinations are not dared.

In addition, the occupational exposure of medical staff is usually unavoidable, and the radiation of CT machine is strong, which is extremely harmful to the human body. Once the child undergoes relevant examinations, medical personnel are required to accompany the child for close monitoring. Therefore, after long-term repeated direct exposure of medical personnel to radiation, it will cause great damage to the body and may cause tumors.

Therefore, it is necessary to provide a moderate sedation, which can preserve the spontaneous breathing of the subject, does not inhibit breathing, heartbeat and brain function, and can also avoid direct exposure of medical personnel to the radiation environment. At the same time, a monitoring system for vital signs monitoring is well established.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides an examination and sedation monitoring system, which is used to perform magnetic resonance or CT examination, so that the examination by magnetic resonance or CT machine is safer and more reliable.

In order to achieve the above object, the present invention provides an examination sedation monitoring system, comprising: an auxiliary breathing device, configured to assist the subject's breathing during the examination process; medicine; a monitoring device configured to monitor the vital signs of a subject, the vital signs including at least oxygen saturation, electrocardiogram, non-invasive blood pressure; and a control device configured to control the assisted breathing according to the vital signs of the subject device and said adjunctive medication device.

The examination sedation monitoring system provided by the present invention may also have the following characteristics: the system further includes a detection device configured to detect the subject, and the detection device detects the subject by magnetic resonance or CT, The auxiliary breathing device is made of non-metallic material, and the auxiliary medicine device is provided with a shielding shell.

The examination and sedation monitoring system provided by the present invention may also have the following features: the detection device, the auxiliary breathing device, the auxiliary medication device and the monitoring device are deployed in the detection room, and the control device is It is deployed in and out of a detection chamber, wherein the subject is detected in the detection chamber.

The examination and sedation monitoring system provided by the present invention may also have the following feature: the auxiliary breathing device, the auxiliary medication device and the monitoring device communicate with the control device in a wired manner.

The inspection and sedation monitoring system provided by the present invention may also have the following characteristics: the auxiliary medication device includes two pipelines, one pipeline is a sedative pipeline for adding anesthesia and sedatives, and the other pipeline is emergency medicine pipeline.

The examination and sedation monitoring system provided by the present invention may also have the feature that: when the monitoring device detects that the oxygen saturation of the subject is lower than a predetermined threshold, the control device sends a message to the assisted breathing device. signal so as to increase the oxygen supply to the subject.

The examination and sedation monitoring system provided by the present invention may also have the following feature: the relationship between the tidal volume of oxygen output by the auxiliary breathing device and the body weight of the subject is 6-8 ml/kg.

The examination and sedation monitoring system provided by the present invention may also have the feature that when the monitoring device detects an abnormality in the electrocardiogram or non-invasive blood pressure of the subject, the control device sends a signal to the auxiliary medication device to An anesthetic, sedative or emergency medicine circuit is applied to the subject.

The examination sedation monitoring system provided by the present invention may also have the following characteristics: the abnormality of the electrocardiogram or non-invasive blood pressure is that the subject's heart rate and blood pressure are reduced to 80% or less of the basic value, and the basic value is the subject's Resting heart rate and blood pressure measured before sedation.

The examination sedation monitoring system provided by the present invention may also have the feature of further comprising earphones for playing music.

beneficial effect

The inspection and sedation monitoring system provided by the present invention is provided with an auxiliary breathing device to assist the breathing of the subject under anesthesia and reduce the risk of suffocation when the subject is anesthetized. Drugs or first-aid drugs are injected immediately when danger occurs, which increases the safety of the subject inspection; a monitoring device is added, which can monitor the vital signs of the subject in time and make more accurate judgments; The inspectors are prevented from directly contacting the radiation environment, and at the same time, the data monitored by the monitoring device can be used for assisted breathing or medication at the first time.

Description of drawings

Fig. 1 is the structural block diagram of the monitoring system provided by the present invention;

Fig. 2 is the structural diagram of the monitoring system provided by the present invention;

3 is a structural diagram of an assisted breathing system provided by the present invention;

FIG. 4 is a structural diagram of a headband corresponding to the assisted breathing system provided by the present invention.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects of the present invention easy and clear, the following embodiments further explain an examination and sedation monitoring system provided by the present invention with reference to the accompanying drawings.

In this embodiment, the subject may be a collective term for patients such as infants, middle-aged persons, and elderly persons.

As shown in FIG. 1, the present invention provides an examination sedation monitoring system, including:

Assisted breathing device 3, configured to assist the subject's breathing during the examination;

Auxiliary medication device 4, configured to apply medication to the subject during the examination;

a monitoring device 5 configured to monitor the vital signs of the subject, the vital signs including at least oxygen saturation, electrocardiogram, and non-invasive blood pressure; and

The control device 7 is configured to control the auxiliary breathing device and the auxiliary medication device according to the vital signs of the subject.

The auxiliary breathing device 3, the auxiliary medicine device 4 and the monitoring device 5 are arranged in a casing 9, and the casing 9 is provided with a handle which can be moved by hand.

As shown in FIG. 2, an examination and sedation monitoring system provided by the present invention further includes a magnetic resonance/CT machine 1 for performing magnetic resonance examination; the magnetic resonance/CT machine 1 is provided with an auxiliary fixing belt 6, Used to fix the subject. Because some subjects cannot fully cooperate with the inspection work, setting the fixing belt 6 on the magnetic resonance/CT machine 1 can fix the subject in a suitable examination position, and there is no need for medical staff to assist the position of the subject during the examination process. fixed or adjusted.

The auxiliary breathing apparatus 3 is installed on the magnetic resonance/CT machine platform 2 and is used to assist the breathing of the subject. The auxiliary breathing apparatus 3 is a non-invasive ventilator, which assists the subject's breathing when the subject is anesthetized and sedated and falls into a deep sleep. At this stage, when the subject is under general anesthesia, the experience of the attending doctor should be used to determine whether the subject's breathing is smooth or not. , there will be a certain risk, adding an auxiliary breathing device 3 can directly assist the breathing of the subject during use, and the auxiliary breathing device can adopt the auxiliary control mode. When the subject is not breathing or breathing is weak, positive pressure ventilation with a certain tidal volume is given to maintain oxygenation; if the subject is breathing normally, only normal oxygen flow and normal spontaneous breathing ventilation are required. The auxiliary breathing apparatus is made of non-metallic material; the whole auxiliary breathing apparatus is made of non-metallic material to prevent the magnetic resonance machine from being damaged by the magnetically conductive metal during the magnetic resonance examination.

As shown in FIG. 3 , which is a structural diagram of an auxiliary breathing apparatus in the monitoring system provided by the present invention, the auxiliary breathing apparatus 3 includes a main unit 32 provided with a trachea 33 and a humidifier 31 detachably connected to the main unit 32 . After the ventilator is used for a long time, scale will be deposited on the bottom of the water tank of the humidifier, and the water tank needs to be opened regularly for cleaning. The cleaning steps of the existing integrated humidifier are cumbersome and time-consuming. The humidifier and the host in the present invention are detachable. Connecting, adding water and cleaning is quick and easy.

In the embodiment of the present invention, the main engine 32 is provided with a turbo blower, and the air enters from the air inlet of the blower. With the high-speed rotation of the impeller of the blower, the air in the middle of the impeller blades is affected by centrifugal force, and acts toward the edge of the impeller, located in the impeller. The air at the edge enters the annular cavity of the pump body, and then returns to the impeller, and circulates again in the same way from the starting point of the blade. The form bursts out, and the accelerated air carries extremely high energy from the air outlet into the humidifier. The humidifier 31 increases the moisture content in the air by heating and humidifying the air, making the gas inhaled by the subject warm and moisturizing, and reducing the irritation of the mucous membrane of the respiratory tract caused by the cold and dry gas.

In the embodiment of the present invention, the auxiliary breathing apparatus further includes a headband 34 for fixing the auxiliary breathing apparatus on the head of the subject. The existing non-invasive ventilator needs to be worn with a non-invasive breathing mask. The mask needs to be tightly pressed against the patient's face, which will cause excessive pressure and also bring discomfort to the patient. The head size of adults varies greatly, and the existing non-invasive breathing masks are not suitable for children. The present invention is provided with a headband 34 to fix the non-invasive ventilator on the head instead of the face, which is more comfortable to wear.

As shown in FIG. 3, it is a structural diagram of the headband in the monitoring system of the present invention. The headband includes a pad 341 in contact with the subject's face, and the pad is provided with a nose for the subject's nose to pass through. A triangular opening 342, the size of the opening 342 is adapted to the trachea 33 of the auxiliary breathing device, and the upper and lower ends of the protective pad 341 are provided with fixing straps 343 for fixing the protective pad on the head of the subject, so The fixing belt 343 is adjustable in size. The setting of the protective pad 341 can reduce the pressure of the non-invasive ventilator mask on the face, avoid pressure ulcers caused by the patient, improve the comfort of the patient, and have good sealing performance. body, the headband 34 cannot be fixed due to the small size of the subject.

In an embodiment of the present invention, the non-invasive breathing mask is provided with a gas detector, and the gas detector is used to monitor oxygen concentration, tidal volume, and carbon dioxide concentration. The gas detector is connected with the auxiliary breathing device, and the oxygen and tidal volume output by the auxiliary breathing device are controlled by the monitored oxygen concentration, tidal volume and carbon dioxide concentration.

In the embodiment of the present invention, the system is further provided with an auxiliary medicine device 4, which is arranged on the magnetic resonance/CT machine platform 2. The body of the subject is smaller than that of an adult, and the auxiliary medicine device can be placed beside the subject, using Anesthesia and sedatives are added during the examination; the individual differences of the subjects and the condition vary greatly, and the dosage of the drugs is not easy to control. The addition of the auxiliary drug device 4 can ensure the continuity of the examination. When the dose of medicine is not enough and the subject is about to wake up, add anesthetic and sedative drugs to prevent the subject from being awake during the examination, resulting in crying and fear even from the examination table. Injuries caused by falling. The auxiliary medication device 4 is a micro pump, and the micro pump includes two pipelines, one of which is a sedative pipeline. During the inspection process, if the subject is found to be awake, the micro pump can be controlled to continue infusion to add anesthesia and sedation The other pipeline is used as a backup pipeline. When the subject's vital signs change and need first aid, the first aid channel such as vasoactive drugs can be injected into the subject through the backup pipeline.

In the embodiment of the present invention, the system includes a monitoring device 5, which can be set on the magnetic resonance or CT platform 2, beside the subject, or fixed on the magnetic resonance or CT platform 2 where the legs of the subject are located , used to monitor the vital signs of the subject. The addition of the monitoring device ensures the monitoring of the vital signs of the subject during the inspection process, and in the event of unexpected critical situations such as respiratory and cardiac arrest, brain dysfunction, etc., it can be detected and treated in time.

The monitoring device is provided with a shielding shell, which can separate the electromagnetic module inside the monitoring device from the strong magnetic field in the external examination room, so as to prevent the internal and external magnetic fields from interfering and damaging the magnetic resonance machine.

The shielding shell of the monitoring device is provided with a power supply module for supplying power, a main board module for processing data, a display screen module for displaying data, a blood oxygen board module for analyzing blood oxygen saturation, and a collection plate for processing data collected by the collection device. Oxygen concentration board and main control board. The acquisition module is connected with the oxygen saturation probe, the electrocardiogram connector, and the non-invasive blood pressure sensor outside the shielding shell through the interface on the shielding shell. The information collected by the collection module includes vital sign data such as heart rate/pulse, respiration rate, electrocardiogram, blood pressure, and body temperature of the subject. Monitor the breathing, heartbeat and brain function of the subject at any time during the examination.

In the embodiment of the present invention, the system includes a control device 7 for controlling the assisted breathing device, the auxiliary medication device and the monitoring device; the control device is a console, and the console and the aforementioned inspection device are placed in different rooms to avoid Occupational exposure of doctors repeatedly exposed to strong magnetic fields and strong radiation in clinical work. The console includes: a control mainboard for controlling the operation of the auxiliary breathing device, the auxiliary medication device and the monitoring device; a display for displaying the data received by the control mainboard; an operation panel for using for manual operation. The control mainboard receives the data collected by the monitoring device, and generates control signals for the auxiliary breathing device and the auxiliary medication device according to the collected data. The monitoring device displays the collected vital signs data on the display, and judges whether it is necessary to perform assisted breathing or further medication for the subject through the data. The device can also be adjusted to manual control, through the data displayed on the display, during operation Manual operation on the panel for controlling assisted breathing devices and assisted medication devices. The auxiliary breathing device, the auxiliary medication device and the monitoring device are connected to the console through the connecting line 8, and the data of the auxiliary breathing device, the auxiliary medicine device and the monitoring device can also be transmitted to the console by wireless means, At this time, you need to set the wireless receiver of the console as an anti-magnetic interference receiver.

In the embodiment of the present invention, the system further includes earphones, which can be worn during the examination. While sedated, soothing music or sleep-aiding sound waves are played to reduce the influence of the noise of the magnetic resonance apparatus or CT machine on the subject's heart, and at the same time, it can play a In order to appease the negative emotions caused by the adverse reactions of sedative drugs, the headset can also be controlled through the console, and the volume of music and the size of the sound waves provided by the headset can be adjusted through the feedback data from the vital signs monitor. .

work process:

Before the MRI or CT examination, the subject is injected with anesthetic and sedative drugs, and then placed on the MRI/CT platform. Arrange non-invasive breathing apparatus, micropump and vital sign detector. The placement positions of the non-invasive breathing device, the micro pump and the vital sign detector cannot block the sight of the inspector from observing the subject.

During the MRI or CT examination, monitor the vital signs of the subject such as the breathing condition fed back by the console. When the monitoring device detects that the oxygen saturation of the subject is lower than 95% or the oxygen saturation is unstable and has a downward trend, the control device sends a signal to the assisted breathing device to send a signal to the subject. Increases the body's oxygen supply. The relationship between the tidal volume of oxygen output by the auxiliary breathing device and the body weight of the subject is 6-8ml/kg, and the relationship between the tidal volume of oxygen and the body weight of the subject is limited to 6-8ml/kg, so that the subject inhales the gas in the body It is moist enough and will not affect normal breathing due to high tidal volume, reducing the irritation of dry gas to the respiratory mucosa. Observe the response of the subject through the window of the control room. When the body movement occurs or the examination time exceeds the effective duration of the sedative drug, an anesthetic is added to the subject; the electrocardiogram data or non-invasive blood pressure detected by the vital signs monitoring device is abnormal When the patient is injected with emergency drugs such as vasopressors through another channel of the micropump, and the ECG data or non-invasive blood pressure are abnormal, the reflected heart rate and blood pressure of the subject are reduced by 20% of the base value. Even if it continues to decrease, the base value is the data measured before the subject is sedated. In addition, if the subject is a child, an oropharyngeal airway or a nasopharyngeal airway can be placed in order to prevent the occurrence of airway obstruction such as a tongue falling back.

The auxiliary breathing device, auxiliary medication device, and vital sign monitoring device in the embodiment of the present invention can be changed to manual control. When the condition of the subject is complicated and needs to be adjusted in time through the experience of the inspector, the control mode of the control device can be adjusted to Manual control. The console is provided with a display device, through which the vital sign data displayed by the display device can be used to manually adjust the oxygen supply and drug supply.

In addition, the examination sedation monitoring system provided by the present invention can be used not only in magnetic resonance or CT examination, but also in interventional operations such as myocardial infarction or cerebral infarction, and performs outdoor control and vital sign monitoring during the operation.

In another embodiment of the present invention, on the basis of the above embodiment, the provided control system for examining the sedation monitoring system further includes a database, which can store the physical state of the subject and the examination results.

In the above-mentioned embodiment, a database for collecting the physical condition of the subject is set up, which can make the physical condition of the subject clearer and provide a basis for subsequent treatment or examination.

In another embodiment of the present invention, on the basis of any of the above-mentioned embodiments, the provided examination sedation detection system further includes a sedation depth detection system, and a data collector of the sedation depth detection system is wrapped with a diamagnetic structure , the data collected by the sedation depth detection system is transmitted to the control device, and the control device adjusts the addition of sedative drugs in the auxiliary medication system according to the data collected by the sedation depth detection system.

In the above embodiment, a sedation depth detection system is added to monitor the degree of anesthesia and sedation of the subject, which is more accurate than relying only on the vital sign monitor. However, this embodiment cannot be used in head CT examination, which will affect the results of head CT examination. The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range. The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can also be made. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (10)

1. An inspection sedation monitoring system, characterized in that, comprising: Assisted breathing apparatus, configured to assist the subject's breathing during the examination; an auxiliary medication device, configured to apply medication to the subject during the examination; a monitoring device configured to monitor the vital signs of the subject, the vital signs including at least oxygen saturation, electrocardiogram, non-invasive blood pressure; and A control device configured to control the auxiliary breathing device and the auxiliary medication device according to the vital signs of the subject. 2 . The examination sedation monitoring system according to claim 1 , wherein the system further comprises a detection device configured to detect the subject, and the detection device detects the subject by magnetic resonance or CT. 3 . , the auxiliary breathing device is made of non-metallic materials, and the auxiliary medicine device is provided with a shielding shell. 3. The examination sedation monitoring system according to claim 2, wherein the detection device, the assisted breathing device, the auxiliary medication device and the monitoring device are deployed in a detection room, and the control device It is deployed in and out of a detection chamber, wherein the subject is detected in the detection chamber. 4 . The examination sedation monitoring system according to claim 1 , wherein the auxiliary breathing device, the auxiliary medication device and the monitoring device communicate with the control device in a wired manner. 5 . 5 . The inspection and sedation monitoring system according to claim 1 , wherein the auxiliary medication device comprises two pipelines, one pipeline is a sedative pipeline for adding anesthesia and sedatives, and the other pipeline is an emergency rescue pipeline. 6 . drug pipeline. 6 . The examination sedation monitoring system according to claim 1 , wherein when the monitoring device detects that the oxygen saturation of the subject is lower than a predetermined threshold, the control device sends the assisted breathing device to the assisted breathing device. 7 . A signal is sent to increase the oxygen supply to the subject. 7 . The examination sedation monitoring system according to claim 6 , wherein the relationship between the tidal volume of oxygen output by the auxiliary breathing device and the body weight of the subject is 6-8 ml/kg. 8 . 8 . The examination sedation monitoring system according to claim 1 , wherein when the monitoring device detects an abnormal electrocardiogram or non-invasive blood pressure of the subject, the control device sends a signal to the auxiliary medication device. 9 . so as to apply anesthesia, sedative or emergency medicine to the subject. 9 . The examination sedation monitoring system according to claim 8 , wherein the abnormality of the electrocardiogram or non-invasive blood pressure is that the heart rate and blood pressure of the subject are reduced to 80% or less of the base value, and the base value is the subject. 10 . The subject's resting heart rate and blood pressure measured before sedation. 10. The examination sedation monitoring system according to claim 1, further comprising earphones for playing music.

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