Mammary gland molybdenum target photography positioning auxiliary device

Abstract

The invention discloses a mammary gland molybdenum target photography positioning auxiliary device which comprises a front-back translation base, a bearing platform plate, a lifting adjusting mechanism, a chest expansion adjusting seat, a chest expansion forward inclination adjusting mechanism and a control box, the bearing platform plate is arranged at the top of the front-back translation base, and a front-back translation adjusting mechanism is arranged in the front-back translation base; the bearing platform plate translates forwards or backwards under the action of the front-back translation adjusting mechanism, the lifting adjusting mechanism and the chest expansion forward inclination adjusting mechanism are fixed to the bearing platform plate, and the chest expansion adjusting seat is fixed to the lifting adjusting mechanism and can move up and down along the lifting adjusting mechanism. A back forward-pushing mechanism of the chest expansion forward-tilting mechanism can be adjusted up and down and is propped against the back of the chest expansion adjusting seat. The device can also support the back of the patient to realize expansion and forward leaning of the chest of the patient, so that the patient can conveniently place the breasts on molybdenum target camera equipment, and fatigue caused by active posture adjustment of the patient is relieved in a passive posture adjustment mode.

Description

Technical Field

[0001] The present invention relates to the field of medical imaging auxiliary instruments, and in particular to a mammography positioning auxiliary device. Background Art

[0002] Mammography, also known as palladium-molybdenum examination, is a low-dose mammography technique that uses radiation to penetrate breast tissue to detect and diagnose the breast. Mammography can clearly display all layers of breast tissue, detect various benign and malignant breast tumors and other breast diseases, and observe tiny calcification points and calcification clusters smaller than 0.1 mm. It is one of the most effective and reliable examination methods for early detection and diagnosis of breast cancer, especially for early breast cancer that cannot be touched clinically or is only manifested by tiny calcification clusters. It has specific diagnostic significance.

[0003] Patients with breast diseases need to sit on a chair and adjust their posture when undergoing mammography, and then place their breasts on the X-ray imaging device for X-ray imaging. The chairs currently used are conventional chairs, and the height of the chairs is inconvenient to adjust; at the same time, the chairs currently used cannot provide support for the expansion and forward tilt of the breasts of breast patients so that the breasts of patients can be placed on the X-ray imaging device; at the same time, the current chairs cannot save the most comfortable sitting posture for patients who need to undergo mammography multiple times, so that they can be adjusted with one click during re-examination to achieve the purpose of the best posture for photography. Summary of the invention

[0004] In order to solve the above technical problems, the present invention designs a breast mammography positioning auxiliary device, which can be adjusted forward and backward and up and down. At the same time, the device can also support the patient's back to achieve the expansion and forward tilt of the patient's chest, so that the patient can place the breast on the mammography camera device conveniently, and use passive posture adjustment to reduce the fatigue caused by the patient's active posture adjustment; at the same time, the device can also save the most comfortable shooting posture adjusted by the patient so that the patient can adjust to the most comfortable breast mammography shooting posture with one click when the camera is examined again.

[0005] In order to achieve the above technical effects, the present invention is implemented by the following technical solutions: A breast molybdenum target photography positioning auxiliary device comprises a front-and-rear translation base, a support plate, a lifting and adjusting mechanism, a chest expansion and adjustment seat, a chest expansion and forward tilting adjustment mechanism and a control box, wherein the support plate is arranged on the top of the front-and-rear translation base, the front-and-rear translation adjustment mechanism is arranged in the front-and-rear translation base, the support plate translates forward or backward under the action of the front-and-rear translation adjustment mechanism, the lifting and adjusting mechanism and the chest expansion and forward tilting adjustment mechanism are fixed on the support plate, the chest expansion and adjustment seat is fixed on the lifting and adjusting mechanism and can move up and down along the lifting and adjusting mechanism, the back forward pushing mechanism of the chest expansion and forward tilting mechanism can be adjusted up and down and abuts against the backrest of the chest expansion and adjustment seat, the front-and-rear translation adjustment mechanism, the lifting and adjusting mechanism and the chest expansion and forward tilting adjustment mechanism are all connected to the control box, an operation panel is led out from one side of the control box, and an adjustment button and a seat posture saving button are arranged on the operation panel.

[0006] Furthermore, the chest expansion and adjustment seat includes a seat plate and a chair back, the center area of ​​the chair back is hollowed out and a soft cushion is embedded and fixed in the hollow hole, and an abdominal restraint belt and a clavicle restraint belt are respectively arranged below and above the chair back.

[0007] Furthermore, the lifting adjustment mechanism includes a left lifting column and a right lifting column, a lifting drive motor is fixed on the top of the left lifting column and the right lifting column, a lifting adjustment slide groove is opened on the left lifting column and the right lifting column, a lifting adjustment screw is hinged in the lifting adjustment slide groove, a lifting connection block is threaded on the lifting adjustment screw, the lifting adjustment screw is fixedly connected to the rotating shaft of the lifting drive motor, and the seat plate of the chest expansion adjustment seat is fixedly connected to the lifting connection block.

[0008] Furthermore, the chest expansion forward tilt adjustment mechanism includes an upper and lower sliding column, an upper and lower sliding drive motor is fixed on the top of the upper and lower sliding column, a sliding adjustment groove is opened on the upper and lower sliding column, a sliding adjustment screw is hinged in the sliding adjustment groove, a sliding connecting block is threadedly connected to the sliding adjustment screw, and a back forward pushing mechanism is fixed on the sliding block, and the back forward pushing mechanism can be slid up and down and adjusted on the upper and lower sliding columns.

[0009] Furthermore, the back forward pushing mechanism includes a front and rear sliding limit plate, an L-shaped front and rear sliding block and a back forward pushing ratchet, a limiting slide groove is opened on one side of the front and rear sliding limit plate, a front and rear sliding screw is hinged in the limiting slide groove, a stop slide groove is opened on the side wall of the front and rear sliding limit plate, the L-shaped front and rear sliding block is threadedly connected to the front and rear sliding screw, a stop protrusion is fixed on the end surface of the L-shaped front and rear sliding block, the stop protrusion is inserted into the stop slide groove, the end head of the front and rear sliding limit plate is fixed with a rotating shaft and a front and rear sliding drive motor fixedly connected to the front and rear sliding screw, a rotation adjustment motor is fixed on the vertical plate of the L-shaped front and rear sliding block, and the back forward pushing ratchet is fixed on the rotating shaft of the rotation adjustment motor.

[0010] Furthermore, the front-to-back translation adjustment mechanism includes a front-to-back translation drive motor and a front-to-back translation screw, both ends of the front-to-back translation screw are hinged in the front-to-back translation base and one end is fixedly connected to the rotating shaft of the front-to-back translation drive motor, and the base plate is a T-shaped plate, and a threaded hole is opened on the base plate to be threadedly connected to the front-to-back translation screw.

[0011] Furthermore, the lifting drive motor and the up and down sliding drive motor are fixed in a control box, and a battery, a control circuit board and several relays are also fixed in the control box. The relays and batteries are connected to the control circuit board. The lifting drive motor, the up and down sliding drive motor, the front and back translation drive motor, the front and back sliding drive motor and the rotation adjustment motor are all servo motors with encoders. The lifting drive motor, the up and down sliding drive motor, the front and back translation drive motor, the front and back sliding drive motor and the rotation adjustment motor are respectively connected to the relays and the control circuit board.

[0012] Furthermore, a single-chip microcomputer, a power module, an analog-to-digital conversion module, a digital-to-analog conversion module and a storage module are fixed on the control circuit board; the battery is connected to the single-chip microcomputer through the power module; the photoelectric encoders of the lifting drive motor, the up and down sliding drive motor, the front and rear translation drive motor, the front and rear sliding drive motor and the rotation adjustment motor are all connected to the single-chip microcomputer through the analog-to-digital conversion module; the relay is connected to the single-chip microcomputer through the digital-to-analog conversion module; the adjustment button, seat posture saving button and the storage module are all connected to the single-chip microcomputer.

[0013] The beneficial effects of the present invention are as follows: the device can be adjusted forward and backward and up and down, and at the same time, the device can also support the patient's back to achieve the expansion and forward tilt of the patient's chest, making it convenient for the patient to place the breast on the molybdenum target imaging device, and using passive posture adjustment to reduce the fatigue caused by the patient's active posture adjustment; at the same time, the device can also save the most comfortable imaging posture adjusted by the patient so that the patient can adjust to the most comfortable breast molybdenum target imaging posture with one click when the imaging examination is carried out again. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of a mammography positioning auxiliary device; Figure 2 is a structural schematic diagram of the chest expansion adjustment seat; Figure 3 is a structural schematic diagram of the lifting and lowering adjustment mechanism; Figure 4 is a structural schematic diagram of the chest expansion and forward tilt adjustment mechanism; Figure 5 is a structural schematic diagram of the back-pushing mechanism; Figure 6 is a cross-sectional view of the connection structure between the front and rear translation base and the base plate; Figure 7 It is a schematic diagram of the internal structure of the control box.

[0016] In the accompanying drawings, the components represented by the reference numerals are listed as follows: 1-front and rear translation base, 2-supporting plate, 3-lifting adjustment mechanism, 4-chest expansion adjustment seat, 5-chest expansion forward adjustment mechanism, 6-control box, 7-operation panel, 8-front and rear translation drive motor, 9-back forward push ratchet, 10-single chip microcomputer, 11-power module, 12-analog-to-digital conversion module, 13-digital-to-analog conversion module, 14-storage module, 31-left lifting column, 32-right lifting column, 33-lifting adjustment screw, 34-lifting connection block, 35-lifting drive motor, 41-seat plate, 42-backrest, 43-cushion, 44-abdominal restraint belt, 45-clavicular restraint belt, 51-up and down sliding column, 52-sliding adjustment screw, 53-up and down sliding drive motor, 54-sliding connection block, 55-front and rear sliding limit plate, 56-front and rear sliding drive motor, 57-front and rear sliding screw, 58- L-shaped front and rear sliding blocks, 59-rotation adjustment motor, 61-encapsulation shell, 62-bottom plate, 63-battery, 64-control circuit board, 65-relay, 91-arc-shaped protrusion, 92-hinge shaft, 551-anti-rotation slide groove, 581-anti-rotation protrusion. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figure 1As shown, a breast molybdenum target photography positioning auxiliary device includes a front-and-back translation base 1, a support plate 2, a lifting adjustment mechanism 3, a chest expansion adjustment seat 4, a chest expansion forward tilt adjustment mechanism 5 and a control box 6, wherein the support plate is arranged on the top of the front-and-back translation base, and the front-and-back translation adjustment mechanism is arranged in the front-and-back translation base. The support plate translates forward or backward under the action of the front-and-back translation adjustment mechanism, the lifting adjustment mechanism and the chest expansion forward tilt adjustment mechanism are fixed on the support plate, the chest expansion adjustment seat is fixed on the lifting adjustment mechanism and can move up and down along the lifting adjustment mechanism, the back forward pushing mechanism of the chest expansion forward tilt mechanism can be adjusted up and down and abuts against the back of the chest expansion adjustment seat, the front-and-back translation adjustment mechanism, the lifting adjustment mechanism and the chest expansion forward tilt adjustment mechanism are all connected to the control box, and an operation panel 7 is led out from one side of the control box 6, and an adjustment button and a seat posture saving button are arranged on the operation panel.

[0019] like Figure 2 As shown, the chest expansion adjustment seat 4 includes a seat plate 41 and a seat back 42, the center area of ​​the seat back is hollowed out and a cushion 43 is embedded and fixed in the hollow hole, and an abdominal restraint belt 44 and a clavicle restraint belt 45 are respectively provided below and above the seat back.

[0020] like Figure 3 As shown, the lifting adjustment mechanism includes a left lifting column 31 and a right lifting column 32, a lifting drive motor 35 is fixed to the top of the left lifting column 31 and the right lifting column 32, a lifting adjustment slide groove is opened on the left lifting column and the right lifting column, a lifting adjustment screw 33 is hinged in the lifting adjustment slide groove, a lifting connection block 34 is threadedly connected to the lifting adjustment screw, the lifting adjustment screw is fixedly connected to the rotating shaft of the lifting drive motor, and the seat plate of the chest expansion adjustment seat is fixedly connected to the lifting connection block.

[0021] like Figure 4 As shown, the chest expansion forward tilt adjustment mechanism includes an upper and lower sliding column 51, an upper and lower sliding drive motor 53 is fixed on the top of the upper and lower sliding column, a sliding adjustment groove is opened on the upper and lower sliding column, a sliding adjustment screw 52 is hinged in the sliding adjustment groove, a sliding connection block 54 is threadedly connected to the sliding adjustment screw, and a back forward push mechanism is fixed on the sliding block, and the back forward push mechanism can slide up and down on the upper and lower sliding columns.

[0022] like Figure 5As shown, the back forward pushing mechanism includes a front and rear sliding limit plate 55, an L-shaped front and rear sliding block 58 and a back forward pushing ratchet 9, the back forward pushing ratchet is a circular disc and an arc-shaped protrusion 91 is arranged on the circumference, a limiting slide groove is opened on one side of the front and rear sliding limit plate, a front and rear sliding screw 57 is hinged in the limiting slide groove, a stop slide groove 551 is opened on the side wall of the front and rear sliding limit plate, the L-shaped front and rear sliding block is threadedly connected to the front and rear sliding screw, a stop protrusion 581 is fixed on the end face of the L-shaped front and rear sliding block, the stop protrusion is inserted into the stop slide groove, the end head of the front and rear sliding limit plate is fixed with a rotating shaft and a front and rear sliding drive motor 56 fixedly connected to the front and rear sliding screw, a rotation adjustment motor 59 is fixed on the vertical plate of the L-shaped front and rear sliding block, and the back forward pushing ratchet is fixed on the rotating shaft of the rotation adjustment motor.

[0023] like Figure 6 As shown, the front-to-back translation adjustment mechanism includes a front-to-back translation drive motor 8 and a front-to-back translation screw 81. The two ends of the front-to-back translation screw are hinged in the front-to-back translation base and one end is fixedly connected to the rotating shaft of the front-to-back translation drive motor. The base plate is a T-shaped plate, and a threaded hole is opened on the base plate to be threadedly connected to the front-to-back translation screw.

[0024] like Figure 7 As shown, the lifting drive motor and the up-and-down sliding drive motor are fixed in the control box, and a battery 63, a control circuit board 64 and a plurality of relays 65 are also fixed on the bottom plate 62 of the control box, and the relays and the battery are connected to the control circuit board. The lifting drive motor, the up-and-down sliding drive motor, the front-and-back translation drive motor, the front-and-back sliding drive motor and the rotation adjustment motor are all servo motors with encoders, and the lifting drive motor, the up-and-down sliding drive motor, the front-and-back translation drive motor, the front-and-back sliding drive motor and the rotation adjustment motor are respectively connected to the relay and the control circuit board.

[0025] A single-chip microcomputer 10, a power module 11, an analog-to-digital conversion module 12, a digital-to-analog conversion module 13 and a storage module 14 are fixed on the control circuit board. The battery is connected to the single-chip microcomputer through the power module. The photoelectric encoders of the lifting drive motor, the up and down sliding drive motor, the front and back translation drive motor, the front and back sliding drive motor and the rotation adjustment motor are all connected to the single-chip microcomputer through the analog-to-digital conversion module. The relay is connected to the single-chip microcomputer through the digital-to-analog conversion module. The adjustment button, the seat posture saving button and the storage module are all connected to the single-chip microcomputer.

[0026] In this embodiment, the single chip microcomputer uses a 51 series single chip microcomputer, the power module uses an AMS1117-3.3V power chip, the analog-to-digital conversion module uses an HXT9643 multi-channel analog-to-digital conversion chip, and the digital-to-analog conversion module uses a DAC0864 digital-to-analog conversion chip.

[0027] A specific application of the device is as follows: a breast patient sits on the chest expansion adjustment seat 4, fixes the abdominal restraint belt 44 and the clavicle restraint belt 45 on the patient's abdomen and chest at the clavicle respectively, and then operates the front and rear translation adjustment mechanism to move forward and backward through the adjustment buttons on the operation panel 7 to make the support plate move forward and backward, and adjusts the lifting adjustment mechanism through the adjustment buttons to make the chest expansion adjustment seat 4 move up and down. When the patient's chest reaches the same height as the mammography position, the chest expansion forward adjustment mechanism can be operated by adjusting the buttons so that the back forward push ratchet pushes the patient's back at a suitable distance and height, thereby achieving the effect of chest expansion and forward tilting for the patient, so that the patient's posture reaches the best posture under passive adjustment, so that the patient can perform mammography in a comfortable posture; when the patient needs to perform mammography multiple times, the operation can be pressed The start memory button of the seat posture saving button on the panel, and then the photoelectric encoders of the lifting drive motor, up and down sliding drive motor, front and back translation drive motor, front and back sliding drive motor and rotation adjustment motor will detect their respective rotation circles in real time. After the posture is adjusted, press the confirmation memory button of the seat posture saving button. At this time, the photoelectric encoder transmits the operating status of each motor (speed, number of circles, etc.) to the analog-to-digital conversion module, which converts it into a digital signal and transmits it to the single-chip microcomputer, and finally transmits it to the storage module for storage; when the one-button reset button is pressed, the single-chip microcomputer will call the parameters in the storage module and drive each motor to move through the relay, and operate according to the parameters feedback by the photoelectric encoder. After each parameter meets the target parameter, it stops running. At this time, it can be restored to the most comfortable molybdenum target camera posture previously set by the patient.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

Claims

1. A mammography positioning auxiliary device, characterized in that: It includes a front and rear translation base, a supporting plate, a lifting and adjusting mechanism, a chest expansion and adjustment seat, a chest expansion and forward tilting adjustment mechanism and a control box, the supporting plate is arranged on the top of the front and rear translation base, the front and rear translation adjustment mechanism is arranged in the front and rear translation base, the supporting plate translates forward or backward under the action of the front and rear translation adjustment mechanism, the lifting and adjusting mechanism and the chest expansion and forward tilting adjustment mechanism are fixed on the supporting plate, the chest expansion and adjustment seat is fixed on the lifting and adjusting mechanism and can move up and down along the lifting and adjusting mechanism, the back pushing mechanism of the chest expansion and forward tilting mechanism can be adjusted up and down and abut against the back of the chest expansion and adjustment seat, the front and rear translation adjustment mechanism, the lifting and adjusting mechanism and the chest expansion and forward tilting adjustment mechanism are all connected with the control box, an operation panel is led out from one side of the control box, and an adjustment button and a seat posture saving button are arranged on the operation panel.

2. A mammography positioning auxiliary device according to claim 1, characterized in that: The chest expansion and adjustment seat comprises a seat plate and a chair back, the central area of ​​the chair back is hollowed out and a soft cushion is embedded and fixed in the hollow hole, and an abdominal restraint belt and a clavicle restraint belt are respectively arranged below and above the chair back.

3. A mammography positioning auxiliary device according to claim 2, characterized in that: The lifting adjustment mechanism includes a left lifting column and a right lifting column, a lifting drive motor is fixed on the top of the left lifting column and the right lifting column, a lifting adjustment slide groove is opened on the left lifting column and the right lifting column, a lifting adjustment screw is hinged in the lifting adjustment slide groove, a lifting connection block is threadedly connected to the lifting adjustment screw, the lifting adjustment screw is fixedly connected to the rotating shaft of the lifting drive motor, and the seat plate of the chest expansion adjustment seat is fixedly connected to the lifting connection block.

4. A mammography positioning auxiliary device according to claim 2 or 3, characterized in that: The chest expansion forward tilt adjustment mechanism includes an up and down sliding column, an up and down sliding drive motor is fixed on the top of the up and down sliding column, a sliding adjustment groove is opened on the up and down sliding column, a sliding adjustment screw is hinged in the sliding adjustment groove, a sliding connection block is threadedly connected to the sliding adjustment screw, and a back forward pushing mechanism is fixed on the sliding block, and the back forward pushing mechanism can slide up and down and adjust on the up and down sliding columns.

5. A mammography positioning auxiliary device according to claim 4, characterized in that: The back forward pushing mechanism includes a front and rear sliding limit plate, an L-shaped front and rear sliding block and a back forward pushing ratchet, one side of the front and rear sliding limit plate is provided with a limiting slide groove, a front and rear sliding screw is hinged in the limiting slide groove, and a stop slide groove is provided on the side wall of the front and rear sliding limit plate, the L-shaped front and rear sliding block is threadedly connected to the front and rear sliding screw, a stop protrusion is fixed on the end surface of the L-shaped front and rear sliding block, and the stop protrusion is inserted into the stop slide groove, and the end head of the front and rear sliding limit plate is fixed with a rotating shaft and a front and rear sliding drive motor fixedly connected to the front and rear sliding screw, a rotation adjustment motor is fixed on the vertical plate of the L-shaped front and rear sliding block, and the back forward pushing ratchet is fixed on the rotating shaft of the rotation adjustment motor.

6. A mammography positioning auxiliary device according to claim 5, characterized in that: The front-to-back translation adjustment mechanism includes a front-to-back translation drive motor and a front-to-back translation lead screw, both ends of the front-to-back translation lead screw are hinged in the front-to-back translation base and one end is fixedly connected to the rotating shaft of the front-to-back translation drive motor, and the base plate is a T-shaped plate, and a threaded hole is opened on the base plate to be threadedly connected to the front-to-back translation lead screw.

7. The mammography positioning auxiliary device according to claim 6, characterized in that: The lifting drive motor and the up and down sliding drive motor are fixed in a control box, and a battery, a control circuit board and several relays are also fixed in the control box. The relays and batteries are connected to the control circuit board. The lifting drive motor, the up and down sliding drive motor, the front and back translation drive motor, the front and back sliding drive motor and the rotation adjustment motor are all servo motors with encoders. The lifting drive motor, the up and down sliding drive motor, the front and back translation drive motor, the front and back sliding drive motor and the rotation adjustment motor are respectively connected to the relays and the control circuit board.

8. The mammography positioning auxiliary device according to claim 7, characterized in that: A single-chip microcomputer, a power module, an analog-to-digital conversion module, a digital-to-analog conversion module and a storage module are fixed on the control circuit board. The battery is connected to the single-chip microcomputer through the power module. The photoelectric encoders of the lifting drive motor, the up and down sliding drive motor, the front and back translation drive motor, the front and back sliding drive motor and the rotation adjustment motor are all connected to the single-chip microcomputer through the analog-to-digital conversion module. The relay is connected to the single-chip microcomputer through the digital-to-analog conversion module. The adjustment button, the seat posture saving button and the storage module are all connected to the single-chip microcomputer.

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