CN108542406B - Mammary gland molybdenum target photographic inspection instrument - Google Patents
Mammary gland molybdenum target photographic inspection instrument Download PDFInfo
- Publication number
- CN108542406B CN108542406B CN201810427437.1A CN201810427437A CN108542406B CN 108542406 B CN108542406 B CN 108542406B CN 201810427437 A CN201810427437 A CN 201810427437A CN 108542406 B CN108542406 B CN 108542406B
- Authority
- CN
- China
- Prior art keywords
- shell
- transparent
- supporting
- pressing
- mammary gland
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 210000005075 mammary gland Anatomy 0.000 title claims abstract description 47
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 238000007689 inspection Methods 0.000 title claims abstract description 12
- 229910052750 molybdenum Inorganic materials 0.000 title claims abstract description 12
- 239000011733 molybdenum Substances 0.000 title claims abstract description 12
- 210000000481 breast Anatomy 0.000 claims abstract description 14
- 230000006835 compression Effects 0.000 claims description 33
- 238000007906 compression Methods 0.000 claims description 33
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 206010040007 Sense of oppression Diseases 0.000 claims 2
- 238000003384 imaging method Methods 0.000 abstract description 7
- 238000003745 diagnosis Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 210000001519 tissue Anatomy 0.000 abstract description 3
- 230000003028 elevating effect Effects 0.000 description 4
- 206010006187 Breast cancer Diseases 0.000 description 3
- 208000026310 Breast neoplasm Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008195 breast development Effects 0.000 description 1
- 208000030270 breast disease Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009607 mammography Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The application discloses a mammary gland molybdenum target photographic inspection instrument in the field of medical equipment, which comprises a base, a lifting mechanism arranged on the base and a support frame arranged on the lifting mechanism, wherein a pressing mechanism and a mammary gland supporting mechanism are arranged on the support frame, the mammary gland supporting mechanism is positioned under the pressing mechanism, and the pressing mechanism is in sliding connection with the support frame in the vertical direction; the pressing mechanism comprises a transparent pressing plate and a flexible traction belt, and the breast supporting mechanism comprises a transparent supporting plate and a flexible traction belt. According to the scheme, the mammary gland can be pulled out to the direction of the supporting frame by a certain distance through the upper flexible dragging belt and the lower flexible dragging belt, the projection and imaging range of tissues after the mammary gland is increased, the mammary gland imaging effect is greatly improved, and the diagnosis rate is further improved.
Description
Technical Field
The invention belongs to the field of medical equipment, and particularly relates to a mammary gland molybdenum target photographic inspection instrument.
Background
Breast disease is a common disease in women, particularly breast cancer, and in recent years, the incidence of breast cancer has rapidly increased and tends to younger, and therefore, diagnosis, discovery, and treatment as early as possible is critical for breast cancer patients.
The mammary gland machines commonly found in the prior art generally consist of the following parts: an X-ray generator, an X-ray detector, a compressor, and an image processing system. The X-ray generator emits X-rays, the X-rays are projected to the X-ray detector through the detected mammary gland, the X-ray detector converts the X-ray signals into digital signals, and the digital signals are processed by the image processing system to form a visual 2-dimensional image for the detection and diagnosis of female mammary gland diseases. In the case of mammography, it is important to acquire high-quality image information, especially for patients with small breast development. The key point of the image acquisition is to reasonably position the mammary gland so that the image information meeting the clinical requirements can be shot.
Disclosure of Invention
The invention aims to provide a mammary gland molybdenum target photographic inspection instrument which can well and reasonably position mammary glands and further can acquire high-quality images.
In order to solve the problems, the invention provides the following scheme: the mammary gland molybdenum target photographic inspection instrument comprises a base, a lifting mechanism arranged on the base and a supporting frame arranged on the lifting mechanism, wherein a pressing mechanism and a mammary gland supporting mechanism are arranged on the supporting frame, the mammary gland supporting mechanism is positioned right below the pressing mechanism, and the pressing mechanism is in sliding connection with the supporting frame;
The pressing mechanism comprises a pressing shell, the mammary gland supporting mechanism comprises a supporting shell, gaps are formed in the upper side of the supporting shell and the lower side of the pressing shell, a transparent supporting plate for supporting mammary glands is embedded in the gaps on the supporting shell, a transparent pressing plate for pressing mammary glands is embedded in the gaps on the pressing shell, the transparent pressing plate is located right above the transparent supporting plate and has the same shape, a gap is reserved between one side of the transparent supporting plate, which is close to the supporting frame, and a gap is reserved between one side of the transparent pressing plate, which is close to the supporting frame, and the pressing shell;
The novel flexible traction device comprises a compression shell, a support frame, a first scroll, a second scroll, a transparent flexible traction belt, a transparent support plate and a flexible traction belt, wherein the first scroll is rotationally connected in the compression shell and the support shell, the motor for driving the first scroll to rotate is further arranged in the compression shell and the support shell, the first scroll in the support shell is located right below the gap and is parallel to the gap, the first scroll in the compression shell is located right above the gap and is parallel to the gap, one side, far away from the support frame, of the compression shell and the support shell is provided with a groove, the two side, far away from the support frame, of the compression shell is rotationally connected with the second scroll, the two side of the second scroll is respectively provided with the transparent flexible traction belt, the flexible traction belt on the support shell enters the support shell from the gap through the transparent support plate and is wound on the first scroll, and the flexible traction belt on the compression shell enters the compression shell from the gap through the transparent compression plate and is wound on the first scroll;
An X-ray generator is arranged in the compression shell, a bulb tube for downwards irradiating X-rays is arranged on the X-ray generator, and the bulb tube is positioned right above the transparent compression plate; an X-ray detector is arranged in the support shell and is positioned right below the transparent support plate;
the support frame is provided with a PLC controller for controlling the operation of the lifting mechanism, the motor, the X-ray generator and the X-ray detector.
The working principle and the beneficial effects of the scheme are as follows: when the breast support device is used, the lifting mechanism is controlled by the PLC to lift or descend along with the lifting frame until the upper surface of the breast support mechanism on the lifting frame is flush with the lower side of the breast of a patient, and then the breast of the patient is placed on the flexible dragging belt on the transparent support plate; then the pressing mechanism slides on the supporting frame, so that the flexible dragging belt on the transparent pressing plate is contacted with the mammary gland, the mammary gland is continuously pressed downwards, and the pressing is stopped when the pressing is to a certain degree; starting the motor in the supporting shell and the pressing shell again to enable the first scroll to rotate and enable the flexible towing belt to be wound on the first scroll again, namely the flexible towing belt on the transparent pressing plate and the transparent supporting plate moves towards the supporting frame; because the flexible towing belt is tightly attached to the upper and lower side skin of the mammary gland, the mammary gland can be towed out to the direction of the supporting frame for a certain distance by the upper and lower flexible towing belt, the projection and imaging range of tissues after the mammary gland is increased, the imaging effect of the mammary gland is greatly improved, and the diagnosis rate is further improved.
Further, the width of the flexible traction belt is the same as the width of the transparent support plate. The purpose is to prevent the flexible tow from being too narrow to adequately tow the breast.
Further, the lifting mechanism adopts one of a spiral screw lifter, a hydraulic lifter or an electric lifter. In this scheme elevating system is the equipment that makes the support frame go up and down to a certain height, and screw lift, hydraulic lift and electric lift are the lifting means of mature technique, and easy control lifting operation is just stable.
Further, a beam limiter is arranged in the compression shell and is positioned between the bulb tube and the transparent compression plate. The method aims to control the bulb tube to output the irradiation field of X rays, reduce the projection range as much as possible on the premise of meeting the requirements of X-ray imaging and diagnosis, avoid unnecessary doses, absorb scattered rays and improve definition.
Drawings
FIG. 1 is a schematic diagram of a mammary gland molybdenum target photographic inspection instrument;
FIG. 2 is a schematic diagram of the pressing mechanism of FIG. 1;
FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;
FIG. 4 is a B-B cross-sectional view of FIG. 2;
FIG. 5 is a schematic view of the breast support mechanism of FIG. 1;
FIG. 6 is a C-C cross-sectional view of FIG. 5;
FIG. 7 is a D-D sectional view of FIG. 5;
FIG. 8 is a schematic view of a portion of one end of the recess in FIG. 1;
FIG. 9 is a schematic view of the structure of the turning block of FIGS. 3 and 6;
FIG. 10 is a schematic view showing the connection structure of the pressing mechanism and the support frame in the mammary gland molybdenum target photographic inspection apparatus;
Fig. 11 is a state diagram of a mammary gland molybdenum target photographic inspection instrument for inspecting mammary glands according to the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
Reference numerals in the drawings of the specification include: base 1, hydraulic elevator 2, support frame 3, PLC controller 301, button 302, chute 4, slider 5, press housing 6, recess 7, rotation groove 701, support housing 8, transparent support plate 9, transparent press plate 901, gap 10, second reel 11, flexible tow 12, X-ray generator 13, bulb 14, beam limiter 15, first reel 16, motor 17, rotation block 18, fixed block 1801, movable block 1802, through hole 1803, X-ray detector 19, hydraulic cylinder 20, piston rod 21, connecting rod 22, opening 23, breast 24.
An example is substantially as shown in figure 1: including base 1, there is elevating system on the base 1, is provided with support frame 3 on the elevating system, is equipped with compressing mechanism and mammary gland supporting mechanism on the support frame 3, and elevating system adopts hydraulic lift 2, can also adopt screw rod lift and electric lift, and mammary gland supporting mechanism is located compressing mechanism's direct under, compressing mechanism and support frame 3 sliding connection.
The connection mode of the pressing mechanism and the supporting frame 3 is as shown in fig. 1 and 10: the support frame 3 is hollow, a hydraulic cylinder 20 is arranged in the support frame 3, a piston rod 21 of the hydraulic cylinder 20 is vertically arranged upwards, and the top end of the piston rod 21 is horizontally connected with a connecting rod 22; two sliding grooves 4 are vertically arranged on the front side of the support frame 3 at intervals in parallel, and an opening 23 is arranged on each sliding groove 4; one side of the pressing shell 6 is fixedly connected with a sliding block 5, two bulges are arranged on one side of the sliding block 5 away from the pressing shell 6, each bulge is respectively positioned in one sliding groove 4 and is in sliding connection with the sliding groove 4, and a connecting rod 22 penetrates through an opening 23 and is fixedly connected with the bulge.
As shown in fig. 2,3 and 4: the pressing mechanism comprises a pressing shell 6, a notch is arranged at the lower side of the pressing shell 6, a transparent pressing plate 901 is embedded in the notch, a gap 10 is reserved between one side of the transparent pressing plate 901, which is close to a supporting frame 3, and the pressing shell 6, two rotating blocks 18 are fixedly connected in the pressing shell 6 (the rotating blocks 18 are formed by fixed blocks 1801 and movable blocks 1802 as shown in fig. 9, the rotating blocks 1801 are detachably connected with the movable blocks 1802, a through hole 1803 is arranged at the joint of the fixed blocks 1801 and the movable blocks 1802), a first scroll 16 is jointly connected in a rotating mode, a motor 17 is arranged in the pressing shell 6, the tail end of an output shaft of the motor 17 is fixedly connected with one end of the first scroll 16, the first scroll 16 in the pressing shell 6 is positioned right above the gap 10, and the first scroll 16 is parallel to the gap 10; a groove 7 is arranged on one side of the pressing shell 6 away from the supporting frame 3, and a rotating groove 701 is arranged at two ends of the groove 7 (as shown in fig. 8); a second scroll 11 is rotationally connected in the groove 7 through a rotating groove 701, a transparent flexible dragging belt 12 is wound on the second scroll 11, the width of the flexible dragging belt 12 is the same as that of the transparent compression plate 901, and the flexible dragging belt 12 enters the compression shell 6 from the gap 10 through the transparent compression plate 901 and is wound on the first scroll 16; an X-ray generator 13 is arranged in the compression shell 6, a bulb tube 14 for radiating X-rays downwards is arranged on the X-ray generator 13, the bulb tube 14 is positioned right above the transparent compression plate 901, and a beam limiter 15 is arranged between the bulb tube 14 and the transparent compression plate 901.
As shown in fig. 5, 6 and 7: the mammary gland supporting mechanism comprises a supporting shell 8, a notch is formed in the upper side of the supporting shell 8, a transparent supporting plate 9 for supporting mammary glands 24 is embedded in the notch on the supporting shell 8, the transparent supporting plate 9 is located under a transparent compression plate 901, the shape and the size of the transparent supporting plate 9 are the same, a gap 10 is reserved between one side, close to a supporting frame 3, of the transparent supporting plate 9 and the supporting shell 8, two rotating blocks 18 are fixedly connected in the supporting shell 8, a first scroll 16 is also connected in a rotating mode through the two rotating blocks 18, a motor 17 for driving the first scroll 16 to rotate is also arranged in the supporting shell 8, the first scroll 16 in the supporting shell 8 is located under the gap 10, and the first scroll 16 is parallel to the gap 10; the support casing 8 also is equipped with a recess 7 far away from the side of support frame 3, the both ends of recess 7 also all are equipped with a rotation groove 701, also rotate through rotation groove 701 in this recess 7 and be connected with a second spool 11, also twine on this second spool 11 and be equipped with a transparent flexible towing strip 12, the width of flexible towing strip 12 is the same with the width of transparent backup pad 9, this flexible towing strip 12 enters into support casing 8 from clearance 10 through transparent backup pad 9 and twines on first spool 16, be equipped with X-ray detector 19 in the support casing 8, X-ray detector 19 is located transparent backup pad 9 under.
The support frame 3 is provided with a PLC controller 301 for controlling the operation of the lifting mechanism, the motor 17, the X-ray generator 13 and the X-ray detector 19, and the PLC controller 301 is provided with a button 302 which is convenient to operate.
When in use, the lifting mechanism is controlled by the PLC 301 to lift or descend along with the lifting frame until the upper surface of the breast 24 supporting mechanism on the lifting frame is flush with the lower side of the breast 24 of a patient, and then the breast 24 of the patient is placed on the flexible towing belt 12 on the transparent supporting plate 9; then the pressing mechanism slides on the supporting frame 3 to enable the flexible dragging belt 12 on the transparent pressing plate 901 to be in contact with the mammary gland 24, and continuously press the mammary gland 24 downwards, and stopping pressing when the pressing is performed to a certain degree; restarting the motor 17 in the support housing 8 and the pressing housing 6 to rotate the first reel 16 and rewind the flexible tow 12 on the first reel 16, even if the flexible tow 12 on the transparent pressing plate 901 and the transparent supporting plate 9 moves toward the support frame 3; because the flexible dragging belt 12 is tightly attached to the upper and lower side skin of the mammary gland 24, the mammary gland 24 can be dragged out to the direction of the supporting frame 3 by a certain distance (as shown in fig. 11) through the upper and lower flexible dragging belt 12, the projection and imaging range of the tissues after the mammary gland is increased, the imaging effect of the mammary gland 24 is obviously improved, and the diagnosis rate is further improved.
The foregoing is merely exemplary of the present application, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent. The protection scope of the present application is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (3)
1. A mammary gland molybdenum target photographic inspection instrument, which is characterized in that: the breast pressing device comprises a base, a lifting mechanism arranged on the base and a supporting frame arranged on the lifting mechanism, wherein the supporting frame is provided with a pressing mechanism and a breast supporting mechanism, the breast supporting mechanism is positioned right below the pressing mechanism, and the pressing mechanism is in sliding connection with the supporting frame;
The pressing mechanism comprises a pressing shell, the mammary gland supporting mechanism comprises a supporting shell, gaps are formed in the upper side of the supporting shell and the lower side of the pressing shell, a transparent supporting plate for supporting mammary glands is embedded in the gaps on the supporting shell, a transparent pressing plate for pressing mammary glands is embedded in the gaps on the pressing shell, the transparent pressing plate is located right above the transparent supporting plate and has the same shape, a gap is reserved between one side of the transparent supporting plate, which is close to the supporting frame, and a gap is reserved between one side of the transparent pressing plate, which is close to the supporting frame, and the pressing shell;
The novel flexible traction device comprises a compression shell, a support frame, a first scroll, a second scroll, a transparent flexible traction belt, a transparent support plate and a flexible traction belt, wherein the first scroll is rotationally connected in the compression shell and the support shell, the motor for driving the first scroll to rotate is further arranged in the compression shell and the support shell, the first scroll in the support shell is located right below the gap and is parallel to the gap, the first scroll in the compression shell is located right above the gap and is parallel to the gap, one side, far away from the support frame, of the compression shell and the support shell is provided with a groove, the two side, far away from the support frame, of the compression shell is rotationally connected with the second scroll, the two side of the second scroll is respectively provided with the transparent flexible traction belt, the flexible traction belt on the support shell enters the support shell from the gap through the transparent support plate and is wound on the first scroll, and the flexible traction belt on the compression shell enters the compression shell from the gap through the transparent compression plate and is wound on the first scroll;
An X-ray generator is arranged in the compression shell, a bulb tube for downwards irradiating X-rays is arranged on the X-ray generator, and the bulb tube is positioned right above the transparent compression plate; an X-ray detector is arranged in the support shell and is positioned right below the transparent support plate;
the support frame is provided with a PLC controller for controlling the operation of the lifting mechanism, the motor, the X-ray generator and the X-ray detector;
a beam limiter is arranged in the compression shell and is positioned between the bulb tube and the transparent compression plate;
The support frame is hollow, a hydraulic cylinder is arranged in the support frame, a piston rod of the hydraulic cylinder is vertically arranged upwards, and the top end of the piston rod is horizontally connected with a connecting rod; two sliding grooves are vertically arranged on the front side of the support frame at intervals in parallel, and an opening is formed in each sliding groove; one side fixedly connected with slider of oppression casing is equipped with two archs on the side that the slider kept away from the oppression casing, and every arch is located a spout respectively and with spout sliding connection, the connecting rod passes opening and protruding fixed connection.
2. The mammary gland molybdenum target photographic inspection apparatus as defined in claim 1, wherein: the width of the flexible towing belt is the same as that of the transparent supporting plate.
3. A mammary gland molybdenum target photographic inspection apparatus as defined in claim 2, wherein: the lifting mechanism adopts one of a spiral screw lifter, a hydraulic lifter or an electric lifter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810427437.1A CN108542406B (en) | 2018-05-07 | Mammary gland molybdenum target photographic inspection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810427437.1A CN108542406B (en) | 2018-05-07 | Mammary gland molybdenum target photographic inspection instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108542406A CN108542406A (en) | 2018-09-18 |
| CN108542406B true CN108542406B (en) | 2024-05-31 |
Family
ID=
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104528A (en) * | 1976-10-18 | 1978-08-01 | Charles & Stella Guttman Breast Diagnostic Institute | Automated mammography apparatus for mass screening |
| JP2012228450A (en) * | 2011-04-27 | 2012-11-22 | Fujifilm Corp | Radiation imaging apparatus |
| CN204562193U (en) * | 2015-03-24 | 2015-08-19 | 赵新建 | Mammography traction |
| CN204765675U (en) * | 2015-04-17 | 2015-11-18 | 北京大学深圳医院 | Mammary gland molybdenum target image device |
| CN105726049A (en) * | 2016-01-14 | 2016-07-06 | 深圳安科高技术股份有限公司 | Digital mammary gland X-ray machine and automatic exposure image optimization method thereof |
| CN106108927A (en) * | 2016-07-29 | 2016-11-16 | 史臣 | Physical examination car and box molybdenum target mammary machine thereof |
| CN206852607U (en) * | 2017-01-09 | 2018-01-09 | 莱福医疗设备有限公司 | Breast X-ray machine |
| CN209220304U (en) * | 2018-05-07 | 2019-08-09 | 余庆县人民医院 | A kind of molybdenum mammography somascope |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4104528A (en) * | 1976-10-18 | 1978-08-01 | Charles & Stella Guttman Breast Diagnostic Institute | Automated mammography apparatus for mass screening |
| JP2012228450A (en) * | 2011-04-27 | 2012-11-22 | Fujifilm Corp | Radiation imaging apparatus |
| CN204562193U (en) * | 2015-03-24 | 2015-08-19 | 赵新建 | Mammography traction |
| CN204765675U (en) * | 2015-04-17 | 2015-11-18 | 北京大学深圳医院 | Mammary gland molybdenum target image device |
| CN105726049A (en) * | 2016-01-14 | 2016-07-06 | 深圳安科高技术股份有限公司 | Digital mammary gland X-ray machine and automatic exposure image optimization method thereof |
| CN106108927A (en) * | 2016-07-29 | 2016-11-16 | 史臣 | Physical examination car and box molybdenum target mammary machine thereof |
| CN206852607U (en) * | 2017-01-09 | 2018-01-09 | 莱福医疗设备有限公司 | Breast X-ray machine |
| CN209220304U (en) * | 2018-05-07 | 2019-08-09 | 余庆县人民医院 | A kind of molybdenum mammography somascope |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7746975B2 (en) | Breast's radiation image taking apparatus and a method of taking a breast's radiation image | |
| US9517038B2 (en) | Apparatus and method for breast immobilization | |
| US20200146645A1 (en) | Mammography apparatus, radiation image capturing system, image processing apparatus, control method, image processing method, control program, and image processing program | |
| US10856831B2 (en) | Mammography device and method of photographing object to be inspected using the same | |
| JP2008093135A (en) | X-ray ct apparatus for mammography | |
| CN108542406B (en) | Mammary gland molybdenum target photographic inspection instrument | |
| WO2014157795A1 (en) | Mammography apparatus | |
| CN107260202B (en) | Mammary gland imaging dragging device for improving mammary gland imaging effect | |
| CN103126715B (en) | Compression device of digital flat mammography | |
| KR20130077801A (en) | X-ray photographing apparatus | |
| KR20160023484A (en) | X ray apparatus and control method for x ray apparatus thereof | |
| CN209884180U (en) | Multifunctional radiation protection screen | |
| CN208144994U (en) | A kind of adjustable detector of department of stomatology | |
| CN209220304U (en) | A kind of molybdenum mammography somascope | |
| US20170172530A1 (en) | An integrated device for conducting mammography, tomosynthesis and stereotactic biopsy in multiposition | |
| CN210096708U (en) | Private high-intensity focused ultrasound device | |
| CN108542406A (en) | A kind of molybdenum mammography somascope | |
| EP2979641B1 (en) | Mammography device and location arrangement control method thereof | |
| KR102083821B1 (en) | Mommography apparatus and method of photographing object using the same | |
| KR101690409B1 (en) | Compression paddle device of mammographic x-ray equipment, mammographic x-ray equipment comprising the same | |
| CN214761164U (en) | Neck ultrasonic imaging device | |
| CN204562193U (en) | Mammography traction | |
| CN113331851B (en) | Mammary gland flattening device for mammary gland molybdenum target photography | |
| CN217696574U (en) | Electrical impedance scanning imaging detector for early general investigation of breast cancer | |
| CN219230169U (en) | Medical ring-shaped breast fixer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |