CN111407236A - Touch ultrasonic medical detection probe and medical equipment - Google Patents

Abstract

The invention discloses a touch ultrasonic medical detection probe and medical equipment, and relates to the technical field of medical equipment. The invention fuses the morphological structure image obtained by ultrasonic detection and the tissue elasticity image obtained by a palpation imaging system, thereby improving the accuracy and efficiency of diagnosis.

Description

A tactile ultrasonic medical detection probe and medical equipment

【Technical field】

The invention relates to the technical field of medical equipment, in particular to a tactile ultrasonic medical detection probe and medical equipment.

【Background technique】

Ultrasonic detection is used in various occasions such as medical diagnosis, treatment and ultrasonic flaw detection. As an example of a medical device, an ultrasonic imaging device emits ultrasonic signals from the surface of a subject's main body toward a target site of the subject, and acquires layers of soft tissue using information of reflected (or transmitted) ultrasonic signals (ultrasonic echo signals) without being invasive analysis images or images of blood flow. Compared with other image diagnostic equipment such as X-ray diagnostic equipment, X-ray computed tomography (CT), magnetic resonance (MRI) equipment, and nuclear medicine diagnostic equipment, ultrasound imaging systems are small, inexpensive, and allow real-time display of images , and has no radiation exposure, has high safety, and is widely used in the diagnosis of cardiac or abdominal area, urinary system, and obstetric/gynecological diseases.

The palpation imaging system adopts the principle of tissue elasticity imaging, imitates the doctor's palpation process, and converts the clinical palpation pressure signal into an all-digital electronic signal through the pressure (tactile) sensing tactile probe, which can immediately generate an image of the surface pressure distribution in real time. Display a 2D or 3D image of the lesion.

In clinical diagnosis, images of a single modality often cannot provide enough information needed by doctors, which affects the accuracy of diagnosis, while images of different modalities require the patient to be tested in multiple places, and then the doctor will make a diagnosis based on the test results. , resulting in low diagnostic efficiency.

[Content of the invention]

In order to solve the aforementioned problems, the present invention provides a tactile ultrasonic medical detection probe, which fuses the morphological structure image obtained by ultrasonic detection and the tissue elasticity image obtained by the palpation imaging system to improve the accuracy and efficiency of diagnosis.

In order to achieve the above object, the present invention adopts the following technical solutions:

A tactile ultrasonic medical detection probe, comprising an ultrasonic piezoelectric detection module for collecting ultrasonic signals and a tactile module for collecting tactile pressure signals, the tactile ultrasonic medical detection probe has several layers, and the ultrasonic piezoelectric detection module includes A piezoelectric sensor array element layer, the tactile module includes a tactile sensor array element layer, and the piezoelectric sensor array element layer and the tactile sensor array element layer are arranged on the same layer.

Optionally, the piezoelectric sensor array element layer includes piezoelectric material, the tactile sensor array element layer includes a plurality of tactile sensors, and the plurality of tactile sensors are arranged in a plane where the piezoelectric material is located.

Optionally, the piezoelectric material is a piezoelectric crystal or a composite piezoelectric material.

Optionally, the tactile ultrasonic medical detection probe has a signal transmission end, and the end of the tactile ultrasonic medical detection probe in contact with the patient to be detected is to the signal transmission end of the tactile ultrasonic medical detection probe, and the ultrasonic piezoelectric detection module It includes an acoustic lens layer, a matching layer and a backing material layer in sequence, and the piezoelectric sensor array element layer is located between the matching layer and the backing material layer.

Optionally, the tactile ultrasonic medical detection probe includes a support frame for supporting and fixing the ultrasonic piezoelectric detection module and the haptic module, and the backing material layer of the ultrasonic piezoelectric detection module is mounted on the support frame. superior.

Optionally, the tactile ultrasonic medical detection probe has a wireless communication module, and the ultrasonic signal collected by the ultrasonic piezoelectric detection module and the tactile pressure signal collected by the haptic module are output through the wireless communication module.

Optionally, the tactile ultrasonic medical detection probe has a signal line, and the ultrasonic signal collected by the ultrasonic piezoelectric detection module and the tactile pressure signal collected by the haptic module are output through the signal line.

Optionally, the signal line is connected to the ultrasonic piezoelectric detection module and the haptic module through the support frame.

The present invention has the following beneficial effects:

The technical solution provided by the present invention can integrate ultrasound and palpation imaging. While providing ultrasound morphological and structural images, the tactile module can simultaneously obtain the shape, hardness, size, margin, activity, and interior of the tumor mass. A large amount of information such as homogeneity realizes the organic combination of anatomical structure information and functional information, and comprehensively expresses information from multiple imaging sources on one image at the same time, which not only improves the accuracy of diagnosis, but also facilitates doctors to understand the diseased tissue. Or the comprehensive condition of organs, make a more accurate diagnosis or formulate a more scientifically optimized treatment plan, and at the same time do not require the patient to travel to multiple places for testing, which reduces the burden on the patient and improves the efficiency of diagnosis.

In addition, the present invention also provides a medical device, which includes the tactile ultrasonic medical detection probe described in any one of the foregoing.

Optionally, the ultrasonic piezoelectric detection module and the haptic module transmit signals to the medical device, and the medical device performs imaging according to the signals.

The beneficial effect of the medical device provided by the present invention is similar to the reasoning process of the beneficial effect of the aforementioned tactile ultrasonic medical detection probe, and will not be repeated here.

These features and advantages of the present invention will be disclosed in detail in the following detailed description and accompanying drawings. The best embodiments or means of the present invention will be shown in detail in conjunction with the accompanying drawings, but are not intended to limit the technical solutions of the present invention. In addition, these features, elements and components appearing in each of the following and in the drawings are plural and are marked with different symbols or numerals for convenience of presentation, but all represent parts of the same or similar construction or function.

【Description of drawings】

The present invention will be further described below in conjunction with the accompanying drawings:

1 is a schematic structural diagram of Embodiment 1 of the present invention;

2 to 6 are schematic diagrams of the arrangement of the tactile sensors in the plane of the piezoelectric material according to the first embodiment of the present invention;

FIG. 7 is a schematic diagram of Embodiment 2 of the present invention.

【Detailed ways】

The technical solutions of the embodiments of the present invention will be explained and described below with reference to the accompanying drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the examples in the implementation manner, other examples obtained by those skilled in the art without creative work shall fall within the protection scope of the present invention.

Reference in this specification to "one embodiment" or "an instance" or "instance" means that a particular feature, structure, or characteristic described in connection with the embodiment itself may be included in at least one embodiment of the present patent disclosure. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.

Example 1:

As shown in FIG. 1 , this embodiment provides a tactile ultrasonic medical detection probe, which is mainly used for the detection of breast cancer. The tactile ultrasonic medical detection probe 1 has several layers, including an ultrasonic piezoelectric detection module for acquiring ultrasonic signals and a haptic module for acquiring tactile pressure signals.

The ultrasonic piezoelectric detection module includes an acoustic lens layer 11 , a matching layer 12 , a piezoelectric sensor array element layer 13 and a backing material layer 14 . The acoustic lens layer 11 is one end that is in direct contact with the patient to be detected, and is used for focusing in the transverse and/or longitudinal directions. The matching layer 12 serves to reduce multiple reflections due to differences in acoustic impedance between the skin and the acoustic lens layer 11 . The piezoelectric sensor array element layer 13 includes a piezoelectric material 131, and the piezoelectric material 131 can be a piezoelectric crystal or a composite piezoelectric material. The shape design is not limited here. The piezoelectric sensor array element layer 13 is used to transmit/receive ultrasonic waves, complete the conversion of sound and electricity and electro-acoustic. Function. In the energized state, the piezoelectric material 131 can produce elastic deformation, thereby generating ultrasonic waves; on the contrary, when the ultrasonic waves pass through the piezoelectric material 131, elastic deformation can be produced again, thereby causing a change in voltage. The backing material layer 14 serves to dampen vibrations from the piezoelectric material 131, shorten the wavelength and improve the axial resolution. The ultrasonic piezoelectric detection module generates the required image by controlling the ultrasonic signal it transmits or using the received ultrasonic signal, and allows real-time display of the image, no radiation exposure, and high safety.

The tactile module includes a tactile sensing element layer 17, and the tactile sensing element layer 17 includes several tactile sensors 171. Using the principle of tissue elasticity imaging, the physical pressure signal of clinical palpation is converted into a digital signal, which can immediately generate a surface pressure distribution. images, displaying 2D and 3D images of lesions in real time. When the entire tactile ultrasonic medical detection probe 1 touches the mammary gland and applies a certain pressure, the tactile sensor 171, that is, the pressure sensor, can obtain the reaction force generated by the tissue with different hardness, and then the information of these forces is detected by the palpation probe and converted by the circuit become an electrical signal. The image features formed by the digital signal generated by the haptic module are clear and clear, and a large amount of information such as the shape, hardness, size, margin, activity, and internal homogeneity of the tumor mass can be obtained, which is easy to identify and analyze, and can be performed in real time Record and playback.

The piezoelectric sensor element layer 13 and the tactile sensor element layer 17 are arranged on the same layer. Specifically, a plurality of tactile sensors 171 are arranged in the plane where the piezoelectric material 131 is located, and the arrangement is shown in FIGS. 2 to 6 :

As shown in FIG. 2 , the tactile sensors 171 are arranged in the piezoelectric material 131 at vertical intervals;

As shown in FIG. 3 , the tactile sensors 171 are arranged in the piezoelectric material 131 at lateral intervals;

As shown in FIG. 4 , the tactile sensors 171 are arranged in the piezoelectric material 131 in annular intervals;

As shown in FIG. 5 , the tactile sensors 171 are arranged in the piezoelectric material 131 in a square annular array;

As shown in FIG. 6 , the tactile sensors 171 are arranged in the piezoelectric material 131 in a circular array.

The geometric shape of the tactile ultrasonic medical detection probe 1 can be divided into rectangular probes, various probes at the broken column, convex (also known as arc) probes, circular probes, etc., and also includes a support frame 15 . The support frame 15 is used to support and fix the ultrasonic piezoelectric detection module and the haptic module.

The tactile ultrasonic medical detection probe 1 has a signal transmission end. The ultrasonic signal collected by the ultrasonic piezoelectric detection module and the tactile pressure signal collected by the tactile module can be output in a wired or wireless manner. When the wireless output is used, wifi, Bluetooth and other The wireless transmission method is not limited here. When the wired output is used, the signal line 16 of the tactile ultrasonic medical detection probe 1 passes through the support frame 15 to connect the ultrasonic piezoelectric detection module and the tactile module. In this embodiment, the backing material layer 14 of the ultrasonic piezoelectric detection module is mounted on the support frame 15, and along the direction from the acoustic lens layer 11 to the signal line 16, the layers of the ultrasonic piezoelectric detection module are sequentially arranged as follows: The acoustic lens layer 11 , the matching layer 12 , the piezoelectric sensor element layer 13 and the backing material layer 14 , that is, the piezoelectric sensor element layer is located between the matching layer 12 and the backing material layer 14 . The acoustic lens layer 11 , the matching layer 12 and the piezoelectric sensor array element layer 13 are mounted on the support frame 15 through the backing material layer 14 .

The tactile ultrasonic medical detection probe 1 provided in this embodiment can fuse the ultrasonic detection mode and the palpation imaging mode. While providing the ultrasonic image, the tactile module can simultaneously obtain the shape, hardness, size, A large amount of information such as margin, activity, and internal homogeneity of the tumor realizes the organic combination of anatomical information and functional information, and comprehensively expresses information from multiple imaging sources on one image at the same time, which not only improves the accuracy of diagnosis It is convenient for doctors to understand the comprehensive situation of the diseased tissue or organ, make a more accurate diagnosis or formulate a more scientific and optimized treatment plan, and at the same time, it does not require patients to travel to multiple places for testing, which reduces the burden on patients and improves the efficiency of diagnosis.

Embodiment 2

As shown in FIG. 7 , this embodiment provides a medical device, and the medical device 2 includes the tactile ultrasonic medical detection probe described in the first embodiment. The ultrasonic piezoelectric detection module and the haptic module transmit signals to the medical device 2, and the medical device 2 performs imaging according to the signals.

The tactile ultrasonic medical detection probe 1 is wired or wirelessly connected to the breast cancer detector. When a wired connection is used, the tactile ultrasonic medical detection probe 1 is directly powered by the medical device 2. When a wireless connection is used, a battery is used for the tactile ultrasonic medical detection. The detection probe 1 is powered.

When the tactile ultrasonic medical detection probe 1 is in use, the surface of the tactile ultrasonic medical detection probe 1 is first coated with couplant, and then slightly pressed on the surface of the tissue to be inspected. The ultrasonic piezoelectric detection module and the tactile module respectively receive ultrasonic signals and tissue. tactile signal, and then send the received signal to the medical device 2. The transmission method can be wired transmission or wireless transmission, which is not limited here. After being processed by the medical device 2, an ultrasound image 21 and a palpation image 22 of the inspected tissue are obtained. The ultrasound image 21 displays tissue anatomical information, the haptic module can detect the position of the tissue, and the formed palpation image 22 includes a two-dimensional plan view and a three-dimensional grid map and other forms of display. The two-dimensional plan is displayed to detect the hardness and edge information of the tissue. Generally, the darker the color, the greater the hardness of the lesion. The three-dimensional grid map shows the edge of the lesion, durometer size, single nodule or multiple nodules, the higher the height, the greater the hardness, and the larger the base, the larger the size.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Those skilled in the art should understand that the present invention includes but is not limited to the accompanying drawings and the content described in the above specific embodiments. Any modifications that do not depart from the functional and structural principles of the present invention are intended to be included within the scope of the claims.

Claims (10)

1. The utility model provides a sense of touch supersound medical treatment test probe, its characterized in that, sense of touch supersound medical treatment test probe is including the ultrasonic piezoelectric detection module that is used for gathering ultrasonic signal and the touch module that is used for gathering sense of touch pressure signal, sense of touch supersound medical treatment test probe has a plurality of layers, ultrasonic piezoelectric detection module includes piezoelectric sensor array element layer, touch module includes sense of touch sensing array element layer, piezoelectric sensor array element layer with sense of touch sensing array element layer is arranged in same layer.

2. The tactile ultrasonic medical test probe of claim 1, wherein: the piezoelectric sensor array element layer comprises a piezoelectric material, the touch sensing array element layer comprises a plurality of touch sensors, and the touch sensors are arranged in a plane where the piezoelectric material is located.

3. The tactile ultrasonic medical test probe of claim 2, wherein: the piezoelectric material is a piezoelectric crystal or a composite piezoelectric material.

4. The tactile ultrasonic medical examination probe according to any one of claims 1 to 3, wherein: the ultrasonic piezoelectric detection module sequentially comprises an acoustic lens layer, a matching layer and a backing material layer, and the piezoelectric sensor array element layer is positioned between the matching layer and the backing material layer.

5. The tactile ultrasonic medical test probe of claim 4, wherein: the tactile ultrasonic medical detection probe comprises a support frame for supporting and fixing the ultrasonic piezoelectric detection module and the tactile module, wherein a backing material layer of the ultrasonic piezoelectric detection module is arranged on the support frame.

6. The tactile ultrasonic medical test probe of claim 4, wherein: the touch ultrasonic medical detection probe is provided with a wireless communication module, and ultrasonic signals collected by the ultrasonic piezoelectric detection module and touch pressure signals collected by the touch module are output through the wireless communication module.

7. The tactile ultrasonic medical test probe of claim 4, wherein: the tactile ultrasonic medical detection probe is provided with a signal line, and the ultrasonic signal collected by the ultrasonic piezoelectric detection module and the tactile pressure signal collected by the tactile module are output through the signal line.

8. The tactile ultrasonic medical test probe of claim 7, wherein: the signal wire penetrates through the support frame to be connected with the ultrasonic piezoelectric detection module and the touch module.

9. A medical device, characterized in that it comprises a tactile ultrasonic medical test probe according to any of claims 1 to 8.

10. The medical device of claim 9, wherein: the ultrasonic piezoelectric detection module and the touch module transmit signals to the medical equipment, and the medical equipment performs imaging according to the signals.

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