CN212465966U - Microwave ultrasonic photoacoustic breast cancer detector and medical equipment - Google Patents

Abstract

The utility model discloses a microwave supersound optoacoustic breast cancer detector and medical equipment relates to medical equipment technical field, including cup portion, still including the microwave detection module that is used for gathering microwave signal, the optoacoustic detection module that is used for gathering ultrasonic signal and is used for gathering optoacoustic signal. The utility model discloses fuse the microwave image that microwave imaging system obtained, the ultrasonic detection system ultrasonic image that obtains and the optoacoustic image that optoacoustic system obtained, fuse, improve diagnostic accuracy and efficiency.

Description

Microwave ultrasonic photoacoustic breast cancer detector and medical equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of medical equipment, concretely relates to microwave supersound optoacoustic breast cancer detector and medical equipment.

[ background of the invention ]

In the prior art, the construction method of the microwave image mainly comprises a microwave tomography imaging method and a radar imaging method. Both imaging methods are based on the fact that one group of antenna radars transmits microwave signals to scan the mammary gland, and at least one other group of antenna radars receives echo signals. And then the computer carries out image reconstruction on the received signals to generate a two-dimensional or three-dimensional microwave mammary gland image.

Ultrasonic detection is used in many applications such as medical diagnosis, treatment, and ultrasonic inspection. As an example of the medical apparatus, an ultrasound imaging apparatus emits an ultrasound signal from a surface of a subject body toward a target site of the subject, and acquires a tomographic image of soft tissue or an image of blood flow using information of the reflected (or transmitted) ultrasound signal (ultrasound echo signal) without being invasive. Compared to other image diagnostic apparatuses such as an X-ray diagnostic apparatus, an X-ray Computed Tomography (CT), a Magnetic Resonance (MRI) apparatus, and a nuclear medicine diagnostic apparatus, an ultrasonic imaging system is small in size, low in price, allows images to be displayed in real time, has no radiation exposure, has high safety, and is widely used for diagnosis of heart or abdominal regions, urinary systems, and obstetric/gynecological diseases.

The photoacoustic system based on the LED can detect optical absorption information of tissues for imaging, can be used as an auxiliary means of optical scattering imaging, and further improves the accuracy of diagnosis.

In clinical diagnosis, images of a single modality often cannot provide enough information required by a doctor, so that the accuracy of diagnosis is affected, while images of different modalities require that a patient rotates multiple places to perform detection respectively, and then the doctor performs diagnosis according to a detection result, so that the diagnosis efficiency is low.

[ Utility model ] content

In order to solve the problem, the utility model provides a microwave supersound optoacoustic breast cancer detector fuses the optoacoustic image that the microwave image that obtains microwave imaging system, the ultrasonic detection system obtained and the optoacoustic system obtained, fuses, improves diagnostic accuracy and efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a microwave supersound optoacoustic breast cancer detector, includes cup portion, still including the microwave detection module that is used for gathering microwave signal, the supersound detection module that is used for gathering ultrasonic signal and the optoacoustic detection module that is used for gathering optoacoustic signal, the microwave detection module includes a plurality of radars, the supersound detection module includes a plurality of ultrasonic transducer, the optoacoustic detection module includes phased LED array, a plurality of ultrasonic transducer and a plurality of the radar install in on the cup portion inside wall.

Optionally, the radar is including the microwave generation portion that is used for producing and launching the microwave and the microwave receiving part that is used for receiving the microwave, microwave receiving part includes wave guide pipe, pyramid rear chamber, horn, toper structure, the toper structure is located the internal lateral wall of horn, the horn receives microwave signal, by the toper structure is enlargied, transmits extremely the wave guide pipe, the wave guide pipe with microwave signal transmission extremely the pyramid rear chamber, by the cavity is outwards exported behind the pyramid.

Optionally, the radar is oriented perpendicular to a tangent to an arc of a circle at a point of attachment thereof to the cup portion.

Optionally, the ultrasonic probe comprises an acoustic lens layer, a matching layer, a piezoelectric sensor array layer and a backing material layer in sequence from the detected organ to the inner side wall of the cup portion.

Optionally, the ultrasonic probe further comprises a support frame for mounting it on the inside wall of the cup portion, the backing material layer being mounted on the support frame.

Optionally, the phased LED array comprises a plurality of LED light sources distributed on an inner side wall of the cup portion.

Optionally, the ultrasonic detection module further comprises a couplant bag and a couplant conduit, the couplant bag is located outside the cup portion, and the couplant in the couplant bag enters the cup portion through the couplant conduit.

The utility model discloses following beneficial effect has:

the utility model provides a technical scheme can fuse palpation imaging mode, supersound mode and optoacoustic mode.

The utility model provides a microwave detection module can independently the tomography scan under the state that patient stood, form accurate three-dimensional image, ultrasonic detection module can independently the tomography scan under the state that patient stood equally, form accurate three-dimensional image, when providing the three-dimensional image of supersound morphological structure, ultrasonic probe is with the help of the phase control LED array, form the optoacoustic image, realized synthesizing the information that the earth surface comes from multiple imaging source simultaneously on an image, not only improved diagnostic accuracy, be convenient for the doctor knows the comprehensive condition of pathological change tissue or organ, make more accurate diagnosis or make the treatment of more scientific optimization, it detects to need not the many places of patient's rotation simultaneously, the burden of patient has been alleviateed, the efficiency of diagnosis has been improved.

The utility model provides an among the technical scheme, adopt the cheaper LED of price as the light source, be different from prior art photoacoustic system's single laser light source for holistic price is cheaper.

Furthermore, the utility model also provides a medical equipment, medical equipment includes aforementioned arbitrary one microwave supersound optoacoustic breast cancer detector.

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

The utility model provides a medical equipment's beneficial effect is similar with aforementioned microwave supersound optoacoustic breast cancer detector's beneficial effect inference process, no longer gives unnecessary details here.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings. The best mode or means of the present invention will be described in detail with reference to the accompanying drawings, but not limited thereto. In addition, the features, elements and components appearing in each of the following and in the drawings are plural and different symbols or numerals are labeled for convenience of representation, but all represent components of the same or similar construction or function.

[ description of the drawings ]

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is an overall schematic view of a first embodiment of the present invention;

fig. 2 is a schematic detection diagram according to a first embodiment of the present invention;

fig. 3 is a schematic view of a radar according to a first embodiment of the present invention;

fig. 4 is a schematic view of an ultrasonic probe according to a first embodiment of the present invention;

fig. 5 is a schematic working diagram of a second embodiment of the present invention.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Reference in the specification to "one embodiment" or "an example" 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 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.

The first embodiment is as follows:

as shown in fig. 1, the present embodiment provides a microwave ultrasonic photoacoustic breast cancer detector, which is used for detecting breast cancer, the whole shape is similar to that of a female bra, and a patient needs to wear the breast cancer detector on his body during detection, and the microwave ultrasonic photoacoustic breast cancer detector comprises a cup portion 1, a microwave detection module for collecting microwave signals, an ultrasonic detection module for collecting ultrasonic signals, and a photoacoustic detection module for collecting photoacoustic signals, wherein the cup portion 1 provides a space for the microwave detection module, the ultrasonic detection module, and the photoacoustic detection module except for providing a necessary space required for wearing a back breast.

As shown in fig. 2, the ultrasonic detection module comprises an ultrasonic probe 3, the ultrasonic probe 3 is distributed on the inner side wall of the cup portion 1, the photoacoustic detection module comprises a phased LED array, a plurality of LED light sources 4 comprised by the phased LED array are distributed on the inner side wall of the cup portion 1, in fig. 2, the ultrasonic probe 3 is represented by a black frame and the LED light sources 4 are represented by a black solid frame, and the two are alternately and uniformly distributed. A plurality of LED light sources 4 included in the phased LED array irradiate the organ to be detected from different directions, and then the ultrasonic probe 3 receives sound waves emitted by the tissues of the organ to be detected absorbing the heat of the LED light sources 4. The microwave detection module comprises radars 2, the radars 2 are also distributed on the inner side wall of the cup part 1, and the direction of the radar 6 is perpendicular to the tangent of the circular arc at the installation point of the radar on the cup part 1.

In this embodiment, ultrasonic probe 3 and LED light source 4 are the equipartition in the inside wall of cup portion 1 in turn, and the area that the two distributes is less than the surface area of cup portion 1 inside wall to reserve the mounted position of radar 2, radar 2 equipartition is on the inside wall of cup portion 1 that the breast root corresponds. When a patient wears the microwave ultrasonic photoacoustic breast cancer detector, the LED light source 4 only irradiates the front half part of the breast, the ultrasonic probe 3 performs photoacoustic detection and ultrasonic detection on the front half part of the breast, and the plurality of radars 2 surround the root part of the breast to perform microwave detection on the vicinity of the breast.

In this embodiment, the ultrasonic detection module further comprises a couplant bag 6 and a couplant conduit 5 which are located outside the cup portion 1, and the couplant in the couplant bag 6 enters the cup portion 1 through the couplant conduit 5.

As shown in fig. 3, the radar 2 includes a microwave generating section for generating and transmitting microwaves and a microwave receiving section for receiving the microwaves, and the microwave receiving section includes a waveguide 21, a pyramid-shaped back cavity 22, a horn 23, and a cone-shaped structure 24. In this embodiment, the horn 23 is a square platform, the two conical structures 24 are respectively disposed on the inner sidewalls of the horn 23 opposite to each other, the horn 23 receives the microwave signal, the microwave signal is amplified by the conical structure 24 and transmitted to the waveguide 21, the waveguide cavity 211 of the waveguide 21 transmits the microwave signal to the pyramid-shaped back cavity 22, and the microwave signal is output from the pyramid-shaped back cavity 22. In other embodiments, other antennas, such as monopole antennas, dipole antennas, etc., may be used in addition to the radar 2 for receiving and/or transmitting microwaves, and are not limited herein.

As shown in fig. 4, the ultrasonic probe 3 includes an acoustic lens layer 31, a matching layer 32, a piezoelectric sensor array layer 33, and a backing material layer 34. The acoustic lens layer 31 is an end directly contacting the organ to be detected to focus in the lateral and/or longitudinal directions. The matching layer 32 serves to reduce multiple reflections due to the difference in acoustic impedance between the skin and the acoustic lens layer 31. The piezoelectric sensor array element layer 33 includes a piezoelectric material, which may be a piezoelectric crystal or a composite piezoelectric material, and the geometric shape and size thereof may be designed according to the diagnostic scenario and requirements, including various shape designs such as a convex array, a linear array, etc., which are not limited herein. The piezoelectric sensor array element layer 33 is used for transmitting/receiving ultrasonic waves to complete the sound electricity and electricity-electricity conversion work, and can convert an electric signal into an ultrasonic signal and convert the ultrasonic signal into an electric signal, namely, the piezoelectric sensor array element layer has double functions of ultrasonic transmission and ultrasonic receiving. Under the power-on state, the piezoelectric material can generate elastic deformation, so that ultrasonic waves are generated; in the opposite case, when the ultrasonic wave passes through the piezoelectric material, it can generate elastic deformation, and then the voltage is changed. The backing material layer 34 serves to dampen vibrations from the piezoelectric material, shorten the wavelength and improve axial resolution. The ultrasonic detection module generates a desired image by controlling an ultrasonic signal transmitted therefrom or using a received ultrasonic signal, and allows the image to be displayed in real time, without radiation exposure, with high safety. The ultrasound probe 3 further comprises a support frame 35. The support frame 35 is used for mounting the ultrasonic probe 3 on the inner side wall of the cup portion 1, and the sequence of the layers of the ultrasonic probe 3 sequentially from the detected organ to the inner side wall of the cup portion 1 is as follows: the acoustic lens layer 31, the matching layer 32, the piezoelectric sensor array layer 33, and the backing material layer 34, in this embodiment, the backing material layer 34 of the ultrasonic probe 3 is mounted on the support frame 35, that is, the piezoelectric sensor array layer 33 is located between the matching layer 32 and the backing material layer 34. The acoustic lens layer 31, matching layer 32, and piezoelectric sensor array layer 33 are mounted on a support frame 35 by a backing material layer 34.

When the microwave ultrasonic photoacoustic breast cancer detector is used, a patient wears the microwave ultrasonic photoacoustic breast cancer detector provided by the embodiment:

in the aspect of the microwave detection module, the microwave detection needs the assistance of the couplant to improve the transmission efficiency of the microwave, so that the couplant in the couplant bag 6 enters the cup part 1 through the couplant guide pipe 5, and since the microwave ultrasonic photoacoustic breast cancer detector is worn, the couplant entering the cup part 1 can be extruded naturally in a narrow space and is smeared on the surface of the detected organ. And the couplant in the couplant bag 6 can enter the cup part 1 in a manual extrusion mode, a conveying device can be additionally arranged on the couplant bag 6, the couplant is automatically injected according to the set demand of the couplant, and the couplant in the cup part 1 can be recovered to the couplant bag 6 through the conveying device after use. The transfer of fluids, such as coupling agents, is not limited herein, as is known in the art. When microwave detection is carried out, a circle of distributed radars 2 forms an image domain 26, a microwave transmitting sequence of a plurality of radars 2 and a microwave receiving sequence of a plurality of radars 2 are preset in the image domain 26 of the organ tissue 25 to be detected, the radars 2 for transmitting the microwaves transmit the microwaves according to the preset setting, the radars 2 for receiving the microwaves receive microwave signals scattered by the echo of the breast tissue, tomography is carried out on the breast, the breast is detected in an all-around manner, an accurate three-dimensional image is formed, and the judgment of a doctor on the position of the breast tumor is improved. The sequence of the radar 2 for transmitting the microwave and the sequence of the radar 2 for receiving the microwave can be flexibly set by a doctor according to actual clinical needs, and is not limited herein. Compared with the existing microwave mammary gland imaging system, the microwave mammary gland imaging system generally adopts a supination type, transmits or receives microwave signals according to a certain sequence through an antenna, a radar, a monopole antenna, a dipole antenna or a loudspeaker and the like which surround the mammary gland for a circle, and then images the detected signals through an imaging algorithm. When this embodiment is carrying out microwave detection, the patient can adopt the posture of standing, dresses microwave supersound optoacoustic breast cancer detector, then microwave detection module images the breast, has reduced the scanning time, has improved scanning efficiency.

In the aspect of the ultrasonic detection module, the ultrasonic detection also needs the assistance of the coupling agent, and is the same as the injection or recovery of the coupling agent in the aspect of the microwave detection module, and therefore, the details are not repeated here. When ultrasonic detection is carried out, ultrasonic wave transmitting sequences of a plurality of ultrasonic probes 3 and ultrasonic wave receiving sequences of the plurality of ultrasonic probes 3 are preset, according to the preset, the ultrasonic probes 3 which transmit ultrasonic waves, the ultrasonic probes 3 which receive the ultrasonic waves receive transmitted ultrasonic waves 36 and/or reflected ultrasonic waves 37, the organ tissues 25 to be detected are subjected to tomography, the mammary gland is detected in an all-around mode, accurate three-dimensional images are formed, and judgment of a doctor on the position of the breast tumor is improved. The sequence of the ultrasonic probes 3 for transmitting ultrasonic waves and the sequence of the ultrasonic probes 3 for receiving ultrasonic waves can be flexibly set by a doctor according to actual clinical needs, and are not limited herein. Compared with the existing ultrasonic examination, generally, the ultrasonic examination is of a supination type, the handheld ultrasonic probe is clung to the breast skin for detection, the ultrasonic image mainly takes two-dimensional imaging, and the breast tissue is soft, so that the breast can deform along with the extrusion of the probe, and the conventional ultrasonic examination method cannot accurately image.

In the aspect of the photoacoustic detection module, the assistance of the coupling agent is still required, and the injection or recovery of the coupling agent is the same as that in the aspect of the microwave detection module, which is not described herein again. When the photoacoustic detection is carried out, the irradiation sequence of the LED light sources 4 included in the phased LED array is preset, the LED light sources 4 included in the phased LED array irradiate the detected organ from different directions according to the preset sequence, and when the tissue of the detected organ is irradiated by light beams, the energy of the light is absorbed by the tissue to generate thermoelastic expansion, and then sound waves are generated. Because tumor cells stimulate the generation of new blood vessels during growth, the distribution of local aerobic and anoxic hemoglobin of the tumor is changed, and therefore, when the tumor cells are irradiated by near infrared light, different absorption rates which are obviously different from surrounding tissues can be generated, and further, different sound wave emission is generated. The ultrasonic probe 3 receives the sound wave generated by the tissue of the organ to be detected absorbing the heat of the LED light source 4. Three-dimensional acoustic data of the detected organ can be obtained by irradiating the tissue of the detected organ from different directions, and then image reconstruction is carried out to form an accurate three-dimensional functional image. Different from a single laser light source of the photoacoustic system in the prior art, the present embodiment adopts a cheaper LED as a light source, so that the overall price of the microwave ultrasonic photoacoustic breast cancer detector is low.

When the microwave ultrasonic photoacoustic breast cancer detector provided by the embodiment is used, three modalities can be imaged simultaneously or respectively, or two modalities can be selected for imaging according to actual clinical requirements of doctors, which is not limited herein.

The microwave ultrasonic photoacoustic breast cancer detector provided by the embodiment has the advantages that the microwave detection module can carry out autonomous tomography in the standing state of a patient to form an accurate three-dimensional image, the ultrasonic detection module can also carry out autonomous tomography in the standing state of the patient to form an accurate three-dimensional image, the ultrasonic probe forms a photoacoustic image by means of the phased LED array while providing the three-dimensional image of an ultrasonic morphological structure, information from various imaging sources can be comprehensively expressed on one image, the diagnosis accuracy is improved, a doctor can know the comprehensive condition of pathological change tissues or organs conveniently, more accurate diagnosis is made or a more scientifically optimized treatment scheme is made, the patient does not need to rotate multiple positions to carry out detection, the burden of the patient is reduced, and the diagnosis efficiency is improved.

Example two

As shown in fig. 5, the present embodiment provides a medical apparatus including the microwave ultrasonic photoacoustic breast cancer detector described in embodiment 1.

The host computer part of medical equipment adopts wired connection or wireless connection with microwave supersound optoacoustic breast cancer detector, and when adopting wired connection, microwave supersound optoacoustic breast cancer detector is direct to be supplied power by medical equipment, when adopting wireless connection, then adopts the battery to supply power to microwave supersound optoacoustic breast cancer detector. The host part of the medical equipment controls the signal part of the microwave ultrasonic photoacoustic breast cancer detector, namely controls the radar to emit microwaves, controls the ultrasonic probe to emit ultrasonic waves and controls the phased LED array to irradiate; meanwhile, a detection part of the microwave ultrasonic photoacoustic breast cancer detector is controlled to detect, namely, the radar receives microwave signals, the ultrasonic probe receives ultrasonic signals from the ultrasonic probe and/or sound wave signals sent by tissues irradiated by the phased LED array to the detected organs, the microwave signals collected by the radar and the ultrasonic signals and/or the sound wave signals collected by the ultrasonic probe are transmitted to a host part of the medical equipment, and the transmission mode can adopt wired transmission or wireless transmission, which is not limited herein. Through the processing of the medical equipment, the imaging system of the medical equipment forms and outputs a microwave image, an ultrasonic image and a photoacoustic image of the detected organ.

While the present invention has been described with reference to the particular illustrative embodiments, it will be understood by those skilled in the art that the present invention is not limited thereto, and may be embodied in many different forms without departing from the spirit and scope of the present invention as set forth in the following claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims (9)

1. The utility model provides a microwave supersound optoacoustic breast cancer detector, includes cup portion, its characterized in that, microwave supersound optoacoustic breast cancer detector is still including the microwave detection module that is used for gathering microwave signal, the supersound detection module that is used for gathering ultrasonic signal and the optoacoustic detection module that is used for gathering optoacoustic signal, the microwave detection module includes a plurality of radars, the supersound detection module includes a plurality of ultrasonic probe, the optoacoustic detection module includes the LED array of controlling phase, control phase LED array, a plurality of ultrasonic probe and a plurality of the radar install in on the cup portion inside wall.

2. The microwave ultrasonic photoacoustic breast cancer detector of claim 1, wherein: the radar is including the microwave generation portion that is used for producing and launching the microwave and the microwave receiving part that is used for receiving the microwave, microwave receiving part includes guided wave pipe, pyramid rear chamber, horn body, toper structure, the toper structure is located the internal lateral wall of horn body, the horn body receives microwave signal, by the toper structure is enlargied, transmits extremely the guided wave pipe, the guided wave pipe with microwave signal transmission extremely the pyramid rear chamber, by the cavity is outwards exported behind the pyramid.

3. The microwave ultrasonic photoacoustic breast cancer detector of claim 2, wherein: the radar is oriented perpendicular to the tangent of the arc at its mounting point on the cup portion.

4. The microwave ultrasonic photoacoustic breast cancer detector of claim 1, wherein: from the detected organ to the inner side wall of the cup part, the ultrasonic probe sequentially comprises an acoustic lens layer, a matching layer, a piezoelectric sensor array layer and a backing material layer.

5. The microwave ultrasonic photoacoustic breast cancer detector of claim 4, wherein: the ultrasonic probe also includes a support frame for mounting it on the inside walls of the cup portions, the backing material layer being mounted on the support frame.

6. The microwave ultrasonic photoacoustic breast cancer detector of claim 1, wherein: the phased LED array includes a plurality of LED light sources distributed on an inner sidewall of the cup portion.

7. The microwave ultrasonic photoacoustic breast cancer detector according to one of claims 1 to 6, wherein: the ultrasonic detection module further comprises a couplant capsule and a couplant conduit, wherein the couplant capsule is located outside the cup portion, and the couplant in the couplant capsule enters the cup portion through the couplant conduit.

8. A medical apparatus, characterized in that it comprises a microwave ultrasound photoacoustic breast cancer detector according to any one of claims 1 to 7.

9. The medical device of claim 8, wherein: the microwave detection module, the ultrasonic detection module and the photoacoustic detection module transmit signals to the medical equipment, and the medical equipment performs imaging according to the signals.

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