Microwave tomography mammary gland scanner

By designing a microwave tomography breast scanner that uses motors to drive the movement of the scanning box and microwave antenna, it solves the problems of expensive, uncomfortable and ionizing radiation of existing breast scanning equipment, and achieves a more efficient and safe breast scanning effect.

CN222367689UActive Publication Date: 2025-01-21BEIJING RES INST OF TELEMETRY
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Patent Information

Application Number
CN202420735267.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-01-21
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

Existing breast scanning equipment has problems such as expensive medical equipment, uncomfortable patients, and ionizing radiation.

Method used

Design a microwave tomography breast scanner, which uses two first motors to drive the scanning box to move left and right to adapt to the patient's breast distance; the scanning microwave antenna inside the scanning box is driven by the second motor to move up and down to perform scanning and imaging, which avoids Ionizing radiation.

Benefits of technology

It improves the patient's experience, reduces the cost of equipment, avoids the harm of ionizing radiation, and increases the detection rate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a microwave tomography mammary gland scanner which comprises a horizontally-arranged scanning bed body, a scanning front end opening hole connected to the head of the scanning bed body and a scanning front end connected in the scanning front end opening hole, the top of the scanning front end is exposed out of the scanning front end opening hole, and the scanning front end opening hole is a through hole. The scanning front end comprises a scanning box body supporting plate, a linear guide rail connected to the upper surface of the scanning box body supporting plate, two scanning box bodies which are connected to the linear guide rail and can transversely move along the linear guide rail, and a first motor connected to the bottoms of the scanning box bodies. The two scanning box bodies are arranged below the head mattress of the scanning bed body and are driven by the two first motors to move left and right so as to adapt to the breast distance of a patient, and the use experience of the patient is improved; a scanning microwave antenna in the scanning box body can be driven by a second motor to move up and down for scanning imaging, and the problems of ionization radiation and expensive equipment are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of diagnosis, in particular to a microwave tomography breast scanner. Background Art

[0002] At present, breast scanning and inspection equipment (including molybdenum target X-ray inspection equipment, breast ultrasound equipment, nuclear magnetic resonance equipment, CT inspection equipment, etc.) have problems such as expensive medical equipment, patient discomfort, ionizing radiation, and low detection rate. With the development of science and technology, the promotion and application of biological electromagnetic response characteristics, combined with the safety of electromagnetic radiation relative to ionizing radiation, a new microwave tomography breast scanner is needed to solve the above difficulties. Summary of the invention

[0003] The utility model aims to solve the problems of expensive medical equipment, patient discomfort, ionizing radiation and the like in the existing breast scanning equipment, and provides a microwave tomography breast scanner. Two scanning boxes under the mattress at the head of the scanning bed are driven by two first motors to move left and right to adapt to the breast distance of the patient and improve the patient's use experience; the scanning microwave antenna inside the scanning box can be driven by a second motor to move up and down to perform scanning imaging, thereby solving the problems of ionizing radiation and expensive equipment.

[0004] The utility model provides a microwave tomography breast scanner, comprising a horizontally placed scanning bed, a scanning front end opening connected to the head of the scanning bed, and a scanning front end connected to the scanning front end opening and with the top exposed from the scanning front end opening, wherein the scanning front end opening is a through hole;

[0005] The scanning front end includes a scanning box support plate, a linear guide rail connected to the upper surface of the scanning box support plate, two scanning boxes connected to the linear guide rail and capable of moving laterally along the linear guide rail, and a first motor connected to the bottom of the scanning box;

[0006] The scanning box support plate is connected to the bottom of the scanning bed, the upper surfaces of the two scanning box bodies are exposed from the scanning front end opening, the two scanning box bodies can move laterally respectively, and the number of the first motors is two.

[0007] The microwave tomography breast scanner described in the utility model, as a preferred embodiment, the scanning front end also includes a first limit block connected to the scanning box support plate and located at the bottom of the scanning box body, and a travel switch connected to the scanning box support plate;

[0008] The bottom of the scanning box is connected to a bump block, and when the bump block touches the first limit block, the scanning box stops moving;

[0009] The travel switch is located at one side of the bottom of the scanning box body and is used to limit the lateral movement travel of the scanning box body.

[0010] In the microwave tomography breast scanner of the utility model, as a preferred embodiment, the number of the first limit block and the number of the travel switch are both two, which are respectively located at the bottom of the two scanning boxes.

[0011] In the microwave tomography breast scanner of the utility model, as a preferred embodiment, the first motor is a linear motor.

[0012] The microwave tomography breast scanner described in the utility model is preferably a scanning box body comprising an antenna cover at the top, a scanning box body bottom plate at the bottom, two scanning box body vertical plates connected between the antenna cover and the scanning box body bottom plate, two scanning box body side covers, a second linear guide connected to the inner side of the scanning box body vertical plate, an antenna bracket movably connected to the second linear guide, a scanning microwave antenna assembly connected to the end of the antenna bracket, and a ball screw, a gear, and a second motor connected to the antenna bracket in sequence;

[0013] The antenna cover, the bottom plate of the scanning box body, the vertical plate of the scanning box body and the side cover plate of the scanning box body are connected to form a sealed cavity, and the second linear guide rail, the antenna bracket, the scanning microwave antenna assembly, the ball screw, the gear and the second motor are all located inside the sealed cavity; the upper surface of the antenna cover is exposed from the opening of the scanning front end, the antenna cover includes a downwardly concave structure, and the bottom plate of the scanning box body is fixedly connected to the scanning bed body;

[0014] The second motor drives the gear and the ball screw in sequence and drives the antenna bracket and the scanning microwave antenna assembly to move in the vertical direction.

[0015] The microwave tomography breast scanner described in the utility model, as a preferred embodiment, also includes a second limit block connected to the inner side of the vertical plate of the scanning box body and located on one side of the second linear guide rail. The number of the second limit blocks is two and they are respectively located at the upper end and the lower end of the antenna bracket. The second limit block is used to limit the vertical movement stroke of the scanning microwave antenna assembly.

[0016] The microwave tomography breast scanner described in the utility model is preferably configured such that the second linear guide rail, the antenna bracket, the ball screw, the gear, the second motor and the second limit block are each in two groups, and are respectively connected to the inner sides of the two scanning box body vertical plates;

[0017] The scanning microwave antenna assembly is connected in the middle of the two antenna brackets.

[0018] The microwave tomography breast scanner described in the utility model is preferably a radome comprising a radome flat plate and a radome body connected to the middle of the radome flat plate, the radome flat plate is a plate-shaped structure and is connected to the bottom plate of the scanning box body, the vertical plate of the scanning box body and the side cover plate of the scanning box body to form a sealed cavity, and the radome body is an arc-shaped structure extending downward and having an upper opening;

[0019] The scanning microwave antenna assembly includes a scanning antenna body and a scanning microwave antenna connected to the scanning antenna body. The scanning antenna body is an arc-shaped cavity structure. There are at least two scanning microwave antennas, which are arranged in a horizontal direction and radiate microwaves toward the inside of the scanning antenna body.

[0020] The microwave tomography breast scanner described in the utility model is preferably such that the radome body and the scanning antenna body are both semicircular structures, and the diameter of the radome body is smaller than the diameter of the scanning antenna body;

[0021] The scanning microwave antennas are arranged in at least two rows.

[0022] The microwave tomography breast scanner described in the utility model is preferably a scanning bed body comprising a mattress and two support brackets connected to the front end of the mattress and arranged in parallel, the scanning front end opening is connected to the head of the mattress, the upper surface of the scanning front end is flush with the upper surface of the mattress, and the surface of the support bracket is provided with a groove for placing the arm;

[0023] It also includes an industrial computer connected to the tail portion below the mattress, a signal processing device connected to the middle portion below the mattress, and a servo controller connected to the head portion below the mattress, and a scanning front end connected between the servo controller and the mattress;

[0024] The industrial computer is electrically connected to the signal processing device, the signal processing device is connected to the scanning microwave antenna of the scanning front end, and the servo controller is electrically connected to the first motor and the second motor of the scanning front end.

[0025] The utility model has the following advantages:

[0026] (1) Two scanning boxes are arranged under the head mattress of the scanning bed of the utility model, and are driven to move left and right by two first motors to adapt to the breast distance of the patient and improve the patient's use experience;

[0027] (2) The scanning microwave antenna inside the scanning box can be driven up and down by a second motor to perform scanning imaging, thereby solving the problems of ionizing radiation and expensive equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of a microwave tomography breast scanner;

[0029] Figure 2 A schematic diagram of the internal structure of a microwave tomography breast scanner;

[0030] Figure 3 It is a schematic diagram of the scanning front-end structure of a microwave tomography breast scanner;

[0031] Figure 4The figure is a schematic diagram of the internal structure of a scanning box of a microwave tomography breast scanner.

[0032] Reference numerals:

[0033] 1. Scanning bed; 11. Mattress; 12. Support bracket; 2. Scanning front end opening; 3. Scanning front end; 31. Scanning box support plate; 32. Linear guide; 33. Scanning box; 331. Antenna cover; 3311. Antenna cover flat plate; 3312. Antenna cover body; 332. Scanning box bottom plate; 333. Scanning box vertical plate; 334. Scanning box side cover; 335. Second linear guide; 336. Antenna bracket; 337. Scanning microwave antenna assembly; 3371. Scanning antenna body; 3372. Scanning microwave antenna; 338. Ball screw; 339. Gear; 33a. Second motor; 33b. Second limit block; 34. First motor; 35. First limit block; 36. Travel switch; 4. Industrial computer; 5. Signal processing equipment; 6. Servo controller. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0035] Example 1

[0036] A microwave tomography breast scanner, such as Figure 1 , Figure 2 As shown, it mainly includes a scanning bed 1, a scanning front end opening 2, a scanning front end 3, an industrial computer 4, a signal processing device 5, and a servo controller 6; the industrial computer 4 is placed at the tail under the mattress of the scanning bed 1, the signal processing device 5 consists of two 19-inch cabinets and is placed in the middle under the mattress of the scanning bed 1, the servo controller 6 is placed at the head under the mattress of the scanning bed 1, and the scanning front end 3 is placed above the servo controller 6 at the head of the scanning bed 1, leaking out from the opening at the head of the scanning bed 1.

[0037] like Figure 3 As shown, the scanning front end 3 includes a scanning box body 33, a scanning box body support plate 31, a first linear guide 32, a first motor 34, a first limit block 35, and a travel switch 36; the two scanning box bodies 33 are connected to the scanning box body support plate 31 through two first linear guides 32, so that the scanning box bodies 33 each have a degree of freedom of lateral movement, and the first motor 34 (linear motor) is respectively arranged between the two scanning box bodies 33 and the scanning box body support plate 31 to control the lateral movement of the scanning box body 33, and the travel switch 36 and the first limit block 35 are respectively arranged under the two scanning box bodies 33 to limit the lateral movement stroke of the scanning box body 33.

[0038] like Figure 4 As shown, the scanning box body 33 includes an antenna cover 331, a scanning box body bottom plate 332, a scanning box body vertical plate 333, a scanning box body side cover plate 334, a second linear guide rail 335, an antenna bracket 336, a scanning microwave antenna assembly 337, a ball screw 338, a gear 339, a second motor 33a, and a second limit block 33b; the scanning box body bottom plate 332, two scanning box body vertical plates 333, two scanning box body side covers 334, and the antenna cover 331 make the scanning box body 33 enclosed into a closed cavity, and the scanning microwave antenna assembly Component 337 is connected to the second linear guide rail 335 respectively installed on the two scanning box body vertical plates 333 through the antenna bracket 336, so that the scanning microwave antenna assembly 337 has a degree of freedom to move in the vertical direction. The second motor 33a is connected to the antenna bracket 336 through the gear 339 and the ball screw 338, and can control the antenna bracket 336 to drive the scanning microwave antenna assembly 337 to move in the vertical direction. The second limit blocks 33b are respectively arranged on the upper and lower parts of the scanning box body vertical plates 333 to limit the vertical movement stroke of the scanning microwave antenna.

[0039] The radome 331 includes a radome flat plate 3311 and a radome body 3312 connected to the middle of the radome flat plate 3311. The radome flat plate 3311 is a plate-shaped structure and is connected to the scanning box body bottom plate 332, the scanning box body vertical plate 333 and the scanning box body side cover plate 334 to form a sealed cavity. The radome body 3312 is an arc-shaped structure extending downward and having an upper opening.

[0040] The antenna cover 331 is designed with different sizes to adapt to the size of the patient's breast. In this embodiment, the antenna cover body 3312 is a semicircular structure with an inner diameter of 70-110 mm.

[0041] The scanning microwave antenna assembly 337 includes a scanning antenna body 3371 and a scanning microwave antenna 3372 connected to the scanning antenna body 3371. The scanning antenna body 3371 is an arc-shaped cavity structure. There are at least two scanning microwave antennas 3372, which are arranged in a horizontal direction and radiate microwaves to the inside of the scanning antenna body 3371.

[0042] The radome body 3312 and the scanning antenna body 3371 are both semicircular structures, and the diameter of the radome body 3312 is smaller than the diameter of the scanning antenna body 3371;

[0043] The scanning microwave antennas 3372 are arranged in two rows, and the scanning microwave antennas 3372 radiate L-band microwaves.

[0044] In this embodiment, the dimensions of the scanning bed 1 are: 1950 mm in length, 660 mm in width, and 630 mm in height.

[0045] The lateral moving range of the two scanning boxes 33 is (center distance of the antenna cover 331): 160 to 300 mm.

[0046] The vertical travel of the scanning microwave antenna 3372 in a single scanning box 33 is: 0 to 150 mm.

[0047] During use, the patient lies prone on the scanner mattress 11 with both arms stretched forward and placed on the support bracket 12 of the scanning bed 1. The first motor 34 is used to control the center distance of the scanning box 33 to be consistent with the distance between the patient's breasts. The breasts are placed in the antenna cover body 3312 of the antenna cover 331. The second motor 33a is controlled to control the scanning microwave antenna assembly 337 to move up and down for scanning imaging.

[0048] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A microwave tomography breast scanner, characterized in that: It comprises a horizontally placed scanning bed (1), a scanning front end opening (2) connected to the head of the scanning bed (1), and a scanning front end (3) connected to the scanning front end opening (2) and with its top exposed from the scanning front end opening (2), wherein the scanning front end opening (2) is a through hole; The scanning front end (3) comprises a scanning box body support plate (31), a linear guide rail (32) connected to the upper surface of the scanning box body support plate (31), two scanning boxes (33) connected to the linear guide rail (32) and capable of moving laterally along the linear guide rail (32), and a first motor (34) connected to the bottom of the scanning box body (33); The scanning box support plate (31) is connected to the bottom of the scanning bed (1), the upper surfaces of the two scanning box bodies (33) are exposed from the scanning front end opening (2), the two scanning box bodies (33) can move laterally respectively, and the number of the first motors (34) is two.

2. A microwave tomography breast scanner according to claim 1, characterized in that: The scanning front end (3) also includes a first limit block (35) connected to the scanning box support plate (31) and located at the bottom of the scanning box (33) and a travel switch (36) connected to the scanning box support plate (31); The bottom of the scanning box body (33) is connected to a collision block, and when the collision block touches the first limiting block (35), the scanning box body (33) stops moving; The travel switch (36) is located at one side of the bottom of the scanning box body (33) and is used to limit the lateral movement travel of the scanning box body (33).

3. A microwave tomography breast scanner according to claim 2, characterized in that: The number of the first limit block (35) and the number of the travel switch (36) are both two, and they are respectively located at the bottom of the two scanning boxes (33).

4. The microwave tomography breast scanner according to claim 1, characterized in that: The first motor (34) is a linear motor.

5. The microwave tomography breast scanner according to claim 1, characterized in that: The scanning box body (33) comprises an antenna cover (331) located at the top, a scanning box body bottom plate (332) located at the bottom, two scanning box body vertical plates (333) connected between the antenna cover (331) and the scanning box body bottom plate (332), two scanning box body side cover plates (334), a second linear guide rail (335) connected to the inner side of the scanning box body vertical plate (333), an antenna bracket (336) movably connected to the second linear guide rail (335), a scanning microwave antenna assembly (337) connected to the end of the antenna bracket (336), and a ball screw (338), a gear (339), and a second motor (33a) connected to the antenna bracket (336) in sequence; The antenna cover (331), the scanning box body bottom plate (332), the scanning box body vertical plate (333) and the scanning box body side cover plate (334) are connected to form a sealed cavity; the second linear guide rail (335), the antenna bracket (336), the scanning microwave antenna assembly (337), the ball screw (338), the gear (339) and the second motor (33a) are all located inside the sealed cavity; the upper surface of the antenna cover (331) is exposed from the scanning front end opening (2); the antenna cover (331) includes a downwardly concave structure; the scanning box body bottom plate (332) is fixedly connected to the scanning bed (1); The second motor (33a) sequentially drives the gear (339), the ball screw (338), and the antenna bracket (336) and the scanning microwave antenna assembly (337) to move in a vertical direction.

6. The microwave tomography breast scanner according to claim 5, characterized in that: It also includes a second limit block (33b) connected to the inner side of the scanning box body vertical plate (333) and located on one side of the second linear guide rail (335), the number of the second limit blocks (33b) is two and they are respectively located at the upper end and the lower end of the antenna bracket (336), and the second limit blocks (33b) are used to limit the vertical movement range of the scanning microwave antenna assembly (337).

7. The microwave tomography breast scanner according to claim 6, characterized in that: The second linear guide rail (335), the antenna bracket (336), the ball screw (338), the gear (339), the second motor (33a) and the second limit block (33b) are each in two groups, and are respectively connected to the inner sides of the two scanning box body vertical plates (333); The scanning microwave antenna assembly (337) is connected in the middle of the two antenna brackets (336).

8. The microwave tomography breast scanner according to claim 5, characterized in that: The radome (331) comprises a radome flat plate (3311) and a radome body (3312) connected to the middle of the radome flat plate (3311); the radome flat plate (3311) is a plate-shaped structure and is connected to the scanning box body bottom plate (332), the scanning box body vertical plate (333) and the scanning box body side cover plate (334) to form a sealed cavity; the radome body (3312) is an arc-shaped structure extending downward and having an upper opening; The scanning microwave antenna assembly (337) includes a scanning antenna body (3371) and a scanning microwave antenna (3372) connected to the scanning antenna body (3371), wherein the scanning antenna body (3371) is an arc-shaped cavity structure, and the number of the scanning microwave antennas (3372) is at least two, which are arranged in a horizontal direction and radiate microwaves toward the inner side of the scanning antenna body (3371).

9. The microwave tomography breast scanner according to claim 8, characterized in that: The radome body (3312) and the scanning antenna body (3371) are both semicircular structures, and the diameter of the radome body (3312) is smaller than the diameter of the scanning antenna body (3371); The scanning microwave antennas (3372) are arranged in at least two rows.

10. The microwave tomography breast scanner according to claim 1, characterized in that: The scanning bed (1) comprises a mattress (11) and two support brackets (12) connected to the front end of the mattress (11) and arranged in parallel, the scanning front end opening (2) is connected to the head of the mattress (11), the upper surface of the scanning front end (3) is flush with the upper surface of the mattress (11), and the surface of the support bracket (12) is provided with a groove for placing an arm; It also includes an industrial computer (4) connected to the tail portion below the mattress (11), a signal processing device (5) connected to the middle portion below the mattress (11), and a servo controller (6) connected to the head portion below the mattress (11), wherein the scanning front end (3) is connected between the servo controller (6) and the mattress (11); The industrial computer (4) is electrically connected to the signal processing device (5), the signal processing device (5) is connected to the scanning microwave antenna (3372) of the scanning front end (3), and the servo controller (6) is electrically connected to the first motor (34) and the second motor (33a) of the scanning front end (3).