CN108245181A - A kind of mammary gland X ray photographing system with anticipation - Google Patents

A kind of mammary gland X ray photographing system with anticipation Download PDF

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Publication number
CN108245181A
CN108245181A CN201810044450.9A CN201810044450A CN108245181A CN 108245181 A CN108245181 A CN 108245181A CN 201810044450 A CN201810044450 A CN 201810044450A CN 108245181 A CN108245181 A CN 108245181A
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CN
China
Prior art keywords
mammary gland
control unit
pressure
plate
anticipation
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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.)
Withdrawn
Application number
CN201810044450.9A
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Chinese (zh)
Inventor
王燕妮
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JIANGSU MEILUN IMAGING SYSTEMS Co Ltd
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JIANGSU MEILUN IMAGING SYSTEMS Co Ltd
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Priority to CN201810044450.9A priority Critical patent/CN108245181A/en
Publication of CN108245181A publication Critical patent/CN108245181A/en
Withdrawn legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/40Arrangements for generating radiation specially adapted for radiation diagnosis
    • A61B6/405Source units specially adapted to modify characteristics of the beam during the data acquisition process
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5294Devices using data or image processing specially adapted for radiation diagnosis involving using additional data, e.g. patient information, image labeling, acquisition parameters

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Apparatus For Radiation Diagnosis (AREA)

Abstract

The invention discloses a kind of mammary gland X ray photographing systems with anticipation, including ontology, ontology includes fuselage and the camera being installed on fuselage, camera includes radiographic source, plate for forcing, support plate and imaging plate, plate for forcing is equipped with the first driving equipment for driving its pressing action, further include anticipation device, it prejudges device and includes pressure sensing cell and control unit, multigroup mammary gland volume data is stored in control unit, control unit input terminal is connect with more pressure sensors, and the first driving equipment is connect with control unit output terminal.It can realize to entire mammary gland pressure data information collection storage, data analysis comparison, it simultaneously being capable of free switching X-ray function, so that in breast cancer screening procedures, patient can avoid unnecessary radiation exposure and more precisely effectively to shoot lesions position during screening.

Description

A kind of mammary gland X ray photographing system with anticipation
Technical field
The invention belongs to medical instruments fields, and in particular to a kind of mammary gland X ray photographing system with anticipation.
Background technology
Breast cancer has become one of higher cancer of the current incidence of China women, and early detection, early diagnosis, morning Phase treatment can effectively reduce Death Rate of Breast Cancer.Research finds early diagnosis treatment, and survival rate is 83.9%- in 5 years 98.4%, survival rate can then fall to 23.8% after Late stage cancer cells transfer.Mammography is then to be acknowledged as breast cancer at present Preferred test mode, advantage especially is had more to the diagnosis of early-stage breast cancer.The application of All-field digital mammography technology, Breast cancer lesion x-ray sign display resolution is made to be significantly improved, so as to for early diagnosing mammary cancer, treat provide according to According to.
But currently for breast cancer inspection mainly by X-ray scanning, more accurate patient's lesion in order to obtain The scanning information of information, image scanning information that certainly will be more intensive and different parts, the value that can refer to being capable of providing also can It is higher, be more conducive to diagnosis of the doctor to patient, but high dose of the patient during X-ray scanning will certainly be caused in this way Radiation.At the same time, for the inspection of doubtful patient with breast cancer, it will also result in happening for radiation excess.
Invention content
The goal of the invention of the present invention is to provide a kind of mammary gland X ray photographing system for having the function of to prejudge, and can realize pair Entire mammary gland pressure data information collection storage, data analysis compare, while being capable of free switching X-ray function so that In breast cancer screening procedures, patient can avoid unnecessary radiation exposure and so that more precisely have during screening The shooting lesions position of effect.
To achieve the above object of the invention, the technical solution adopted by the present invention is:A kind of breast X-ray with anticipation Camera chain, including ontology, the ontology includes fuselage and the camera being installed on the fuselage, the camera packet Include the radiographic source for X-ray irradiation, the plate for forcing for oppressing illuminated object, the support plate for carrying illuminated object And the imaging plate for image output, the plate for forcing are equipped with the first driving equipment for driving its pressing action, further include pre- Sentence device, the anticipation device includes pressure sensing cell and control unit, and the pressure sensing cell includes pressing plate, driving institute Pressing plate is stated on front side of the mammary gland body to the second close driving equipment of mammary gland body and on the pressing plate and respectively described in detection More pressure sensors of the pressure-bearing information of each different parts of mammary gland body are stored with multigroup mammary gland body number in described control unit Include corresponding pressure-bearing information and inspection result according to, mammary gland volume data described in every group, described control unit input terminal with it is described More pressure sensors connection, to acquire pressure-bearing information and will collect after pressure-bearing information matched with the pressure-bearing information of storage The first control instruction is sent out, first driving equipment is connect with described control unit output terminal to be referred to perform first control It enables.
Preferably, the substantially spherical shape of one side of the relatively described mammary gland body of the pressing plate, the array of pressure sensors are set In on the spherical surface.
Preferably, the pressure sensor is pliable pressure sensor.
Preferably, the anticipation device is installed on the fuselage, and the pressing plate extend out to above the support plate or receives It is back to side of the support plate far from human body.
Preferably, second driving equipment connect with described control unit with perform that described control unit is sent out second Control instruction.
Preferably, described control unit is connect with the camera with by the collected pressure-bearing information of described control unit The mammary gland data are stored as with the inspection result of the camera.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art:Tool disclosed by the invention There is the mammary gland X ray photographing system of anticipation function, by now to entire mammary gland pressure data information collection storage, data analysis It compares, it being capable of free switching X-ray function so that in breast cancer screening procedures, patient can avoid unnecessary radiation It irradiates and more precisely effectively to shoot lesions position during screening.
Description of the drawings
Fig. 1 is the structure diagram of mammary gland X ray photographing system.
Fig. 2 is the functional block diagram for prejudging device.
Fig. 3 is the work flow diagram for prejudging device.
Fig. 4 is the pressure measuring value of Normal breast.
Fig. 5 is the pressure measuring value of abnormal breast.
Fig. 6 is the position relationship schematic diagram of radiographic source, support plate and imaging plate.
Fig. 7 is position relationship schematic diagram of the ontology with checking bed board and enclosing.
Fig. 8 is the functional block diagram that plate for forcing and support plate temperature are adjusted.
Fig. 9 is the structure diagram of hand release.
Wherein:100th, ontology;110th, fuselage;121st, radiographic source;122nd, plate for forcing;123rd, support plate;124th, imaging plate; 125th, the first driving equipment;125a, screw;125b, screw connecting shaft;126th, the linear guide;127th, linear bearing seat;128;Gu Fixed board;210th, bed board is checked;211st, inspection hole;212nd, recessed portion;310th, heating unit;320th, heating unit;330th, control is single Member;340th, temperature detecting unit;350th, input-output unit;410th, pressure sensing cell;411st, pressing plate;412nd, the second driving is set It is standby;413rd, pressure sensor;420th, control unit;431st, display;432nd, alarm;510th, block;520th, spanner;530th, it is sliding Slot;540th, plectrum.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment one
Referring to Fig. 1 to Fig. 5, as shown in legend therein, a kind of mammary gland X ray photographing system, including ontology 100, ontology 100 wraps Fuselage 110 and the camera being installed on fuselage 10 are included, camera includes the radiographic source 121 for X-ray irradiation, is used for Oppress the plate for forcing 122 of illuminated object, for carrying the support plate 123 of illuminated object and the imaging for image output Plate 124, plate for forcing 122 are equipped with the first driving equipment for driving its pressing action and the guiding mechanism for being oriented to its pressing action, breast Gland X-ray shooting system further includes anticipation device, and anticipation device includes pressure sensing cell 410 and control unit 420, pressure inspection Survey unit 410 include pressing plate 411, driving pressing plate 411 on front side of the mammary gland body to the second close driving equipment 412 of mammary gland body and Detect on pressing plate 411 and respectively more pressure sensors 413 of the pressure-bearing information of each different parts of mammary gland body;Control is single Multigroup mammary gland volume data is stored in member 420, every group of mammary gland volume data includes corresponding pressure-bearing information and inspection result, control 420 input terminal of unit is connect with more pressure sensors 413, to acquire pressure-bearing information and will collect pressure-bearing information and storage Pressure-bearing information sends out the first control instruction after being matched, the first driving equipment 125 connect to hold with 420 output terminal of control unit The first control instruction of row.
Above, pressure-bearing information and inspection result are obtained according to the data of Fig. 4 and Fig. 5, pass through more pressure sensors 413 The mammary gland pressure of normal and abnormal breast is acquired and stored, the mammary gland pressure of breast to be checked is acquired and It stores, is then compared with the mammary gland pressure of normal breast, such as the two difference is smaller, then can exclude exception, such as the two phase Difference is larger, then further carries out X-ray inspection, and will store inspection result.By to entire mammary gland pressure data information Acquisition storage, data analysis compare, being capable of free switching X-ray function so that in breast cancer screening procedures, patient can It avoids unnecessary radiation exposure and more precisely effectively to shoot lesions position during screening.The present embodiment In, pressing plate 411 is with respect to the substantially spherical shape of one side of mammary gland body, and 413 array of pressure sensor is on spherical surface.
In the present embodiment, pressure sensor 413 is pliable pressure sensor.
In the present embodiment, above-mentioned pre- checking device is installed on fuselage 110, and pressing plate 411 extend out to 413 top of support plate or receives It is back to side of the support plate 413 far from human body.
In the present embodiment, the second driving equipment 412 connect with control unit 420 with perform that control unit 420 is sent out Two control instructions.
In the present embodiment, control unit 420 connect with camera with by the collected pressure-bearing information of control unit with taking the photograph The inspection result of image device is stored as mammary gland data.
Embodiment two
Referring to Fig. 6, as shown in legend therein, remaining is identical with embodiment one, and the difference lies in radiographic source 121, support plates 123 and imaging plate 124 in, setting is adjusted in the relative distance of at least one and the rest, so that image is relatively illuminated right Setting is adjusted in the magnifying power of elephant, and illuminated object is always positioned in the range of exposures of radiographic source 121, and illuminated object image begins In the imaging region for falling within imaging plate 124 eventually.
Above, by by least one of radiographic source, support plate and imaging plate be set as it is opposite with the rest away from From adjustable setting, system FOV can be changed, you can further improve image resolution ratio on the basis of hardware facility is constant.
In the present embodiment, in radiographic source 121 and support plate 123, setting is adjusted in the relative distance of at least one and human body. Setting is adjusted by the way that at least one of radiographic source and support plate are set as human body relative distance, ensure that mammary gland body is imaged Always it falls in imaging plate imaging region.
In the present embodiment, above-mentioned ontology be vertical structure, radiographic source 121, plate for forcing 122, support plate 123 and imaging plate 124 set gradually from top to bottom.
In the present embodiment, in radiographic source 121, support plate 123 and imaging plate 124, radiographic source 121 and imaging plate 124 are solid Fixed setting, setting is adjusted with remaining relative distance therebetween in support plate 123, opposite between support plate 123 and human body The adjustable setting of distance.
Above, by the way that support plate is set as adjustable, the change of one can change simultaneously in addition between the two Distance, the larger variation of magnifying power can be achieved in small adjusting.
In the present embodiment, fuselage 110 is equipped with guide rod, and guide rod, which is connected with, to be led relative to the first guide sleeve and second of its movement Set, the first guide sleeve connection plate for forcing, the second guide sleeve connect support plate by telescopic rod.
Embodiment three
Referring to Fig. 7, as shown in legend therein, remaining is identical with embodiment one or two, and the difference lies in ontology 100 is sleeping Formula structure, upside are set as its human body side and equipped with bed board 210 are checked, check that bed board 210 is equipped with inspection hole 211 and checks The entity part of bed board 210 is set as the first X-ray shield layer, and human body crouches in checking on bed board 210, illuminated object self-check Hole 211 is stretched between plate for forcing 122 and support plate 123.
Above, by set the first X-ray shield layer, can make patient make film process can highly effective and safe, it is more convenient, neither It is worn repeatedly when influencing effective rays imaging, and radiation injury of the invalid ray to patient can be absorbed, while also removing medical treatment from anti- The cumbersome of protector is protected, makes shooting process more efficient.
In the present embodiment, the first X-ray shield layer includes plate body and the X-ray protection material layer for being overlying on plate body surface.
In the present embodiment, 100 surrounding of ontology is additionally provided with enclosing 220, and enclosing 220 is set as the second X-ray shield layer, and second X-ray shield layer upper end extends to the first X-ray shield layer and the two connects.
In the present embodiment, the second X-ray shield layer includes enclosing body and the X-ray protection material for being overlying on enclosing body surface face Layer.
In the present embodiment, X-ray attenuation equivalent >=1mmPb of X-ray shield layer.
In the present embodiment, check that bed board 210 is equipped with an inspection hole 211 and two recess positioned at 212 both sides of inspection hole Portion 212, one of them illuminated object self-check hole 211 are stretched between plate for forcing 122 and support plate 123, another is illuminated Object is placed in one of recessed portion 212.
Above, it is one when checking irradiation object wherein, another by setting an inspection hole and two recessed portions A illuminated object will not receive radiation, while will not be oppressed, and improve human comfort.
Example IV
Referring to Fig. 8, as shown in legend therein, remaining is any identical with embodiment one to three, and the difference lies in plate for forcing 122 and the adjustable setting of temperature of support plate 123.
Above, it sees a doctor from patient and experiences angle, it is poor from the temperature and human body temperature for considering support plate and plate for forcing Different details is started with, and by controlling the temperature of support plate and plate for forcing, human body temperature is close to, to promote patient's medical treatment body It tests, makes product design more hommization.
In the present embodiment, plate for forcing 122 and support plate 123 are equipped with heating unit 310, one system of the connection of heating unit 310 Hot cell 320, heating unit 320 connect a control unit 330.
In the present embodiment, heating unit 310 is air hose.Air hose will be through the wind that excess temperature is adjusted to plate for forcing 122 and branch On fagging 123, the adjusting of the temperature to plate for forcing 122 and support plate 123 is realized.
In the present embodiment, control unit 330 is PID controller.
In the present embodiment, plate for forcing 122 and support plate 123 are equipped with temperature detecting unit 340, temperature detecting unit 340 Connect control unit 330.Current Temperatures are detected by temperature sensor, Real-time Feedback, final support plate and the plate for forcing realized Temperature is approached with human body temperature.
In the present embodiment, each temperature detecting unit 340 includes two temperature sensors.Plate for forcing is equipped with two temperature and passes Sensor, support plate 123 are equipped with two temperature sensors, when a wherein temperature sensor fails or damage, another temperature Sensor can work on.
In the present embodiment, control unit 330 is also connected with input-output unit 350.Input-output unit 350 sets for inputting Constant temperature degree and output plate for forcing 122 and the real time temperature of support plate 123.
In the present embodiment, input-output unit 350 is display panel.
Embodiment five
Referring to Fig. 9, as shown in legend therein, remaining is any identical with embodiment one to four, and the difference lies in mammary gland X is penetrated Line camera chain further includes hand release, and hand release includes block 510 and spanner 520, and block 510 is swingable It is connected on above-mentioned guiding mechanism and is located on the mobile route of 125 movable part of the first driving equipment or avoids the first driving On the mobile route of 125 movable part of equipment;Spanner 520 it is swingable be connected on above-mentioned guiding mechanism and the gear that is sequentially connected Block 510, the wobbling action of spanner 520 drive the wobbling action of block 510.
Above-mentioned hand release uses purely mechanic manipulation, it is ensured that and compressing release device can use in the event of a power failure, Driving of the driving mechanism to plate for forcing is released, plate for forcing is moved up and down so as to be manually operable.It is simple in structure, it is easy to operate, more For Portable safety.
In the present embodiment, above-mentioned guiding mechanism includes the linear guide 126, the linear bearing seat coordinated with the linear guide 126 127 and with 127 mutually fixed fixed plate 128 of linear bearing seat, plate for forcing 122 fixes with 128 phase of fixed plate, 510 He of block Spanner 520 is fixed with 128 phase of fixed plate.
In the present embodiment, fixed plate 128 is installed with first rotating shaft, and block 510 is rotationally connected in above-mentioned first rotating shaft, Block 510 is also connected a sliding slot 530, is movably connected with a plectrum 540, plectrum 540 and one second shaft phase in sliding slot 530 Fixed, above-mentioned second shaft is rotatablely connected in fixed plate 128, and spanner 520 is sequentially connected above-mentioned second shaft.
In the present embodiment, the first driving equipment 125 includes motor, the screw 125a being connect with motor drive and mobile company The screw connecting shaft 125b being connected on screw 125a, screw connecting shaft 125b form the driving equipment movable part.
Above, linear bearing seat 127 arbitrary up and down in the linear guide 126 can slide, and fixed plate 128 is fixed on straight line It on bearing block 127, is moved up and down with bearing block, screw connecting shaft 125b is fixed on screw 125a, and can be with silk The rotation of bar 125a and move up and down, spanner 520 and plectrum 540 are fixed on same axis, and plectrum 540 can be with spanner 520 do and rotate, and block 510 is fixed together with sliding slot 530, and rotates and move with plectrum 540, when screw 125a rotates, When screw connecting shaft 125b is moved down, block 510 will resist screw connecting shaft 125b, and as screw connecting shaft 125b is downward It is mobile so that plate for forcing 122 is whole downwards, and oppresses mammary gland body to be detected, when being in an emergency, such as power-off or pressure Force snesor fails or causes patient not in due course, can be by spanner 520 by stirring counterclockwise, and spanner 520 drives plectrum 540 inverse Hour hands rotate, and plectrum 540 drives sliding slot 530 and block to rotate clockwise together for 5 piece 510 so that screw connecting shaft 125b with Block 510 releases contact, and whole plate for forcing 122 is in neutral position state at this time, can lift plate for forcing 122 manually.So far, release dress Function is put to be embodied.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention. A variety of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one The most wide range caused.

Claims (6)

1. a kind of mammary gland X ray photographing system with anticipation, including ontology, the ontology includes fuselage and is installed on institute State the camera on fuselage, the camera includes the radiographic source for X-ray irradiation, for oppressing illuminated object Plate for forcing, the support plate for carrying illuminated object and the imaging plate for image output, the plate for forcing are equipped with driving First driving equipment of its pressing action, which is characterized in that further include anticipation device, the anticipation device includes pressure detecting list Member and control unit, it is close to mammary gland body from front side of mammary gland body that the pressure sensing cell includes pressing plate, the driving pressing plate Second driving equipment and on the pressing plate and detect respectively each different parts of mammary gland body pressure-bearing information it is more Pressure sensor is stored with multigroup mammary gland volume data in described control unit, and mammary gland volume data described in every group includes corresponding Pressure-bearing information and inspection result, described control unit input terminal connect with the more pressure sensors, to acquire pressure-bearing letter It ceases and will collect and the first control instruction is sent out after pressure-bearing information is matched with the pressure-bearing information of storage, first driving is set It is standby to connect to perform first control instruction with described control unit output terminal.
2. the mammary gland X ray photographing system with anticipation according to claim 1, which is characterized in that the pressing plate The substantially spherical shape of one side of relatively described mammary gland body, the array of pressure sensors are set on the spherical surface.
3. the mammary gland X ray photographing system with anticipation according to claim 1, which is characterized in that the pressure Sensor is pliable pressure sensor.
4. the mammary gland X ray photographing system with anticipation according to claim 1, which is characterized in that the anticipation Device is installed on the fuselage, and the pressing plate extend out to above the support plate or is retracted to the support plate far from human body Side.
5. the mammary gland X ray photographing system with anticipation according to claim 1, which is characterized in that described second Driving equipment connect to perform the second control instruction that described control unit is sent out with described control unit.
6. the mammary gland X ray photographing system with anticipation according to claim 1, which is characterized in that the control Unit is connect with the camera with by the inspection knot of the collected pressure-bearing information of described control unit and the camera Fruit is stored as the mammary gland data.
CN201810044450.9A 2018-01-17 2018-01-17 A kind of mammary gland X ray photographing system with anticipation Withdrawn CN108245181A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090262887A1 (en) * 2008-04-17 2009-10-22 Razvan Gabriel Iordache Mammography system and method for its operation
CN101627916A (en) * 2009-08-10 2010-01-20 深圳圣诺医疗设备有限公司 Breast X-ray machine and method for realizing fully automatic exposure
CN102178509A (en) * 2011-01-28 2011-09-14 马思云 Method and system for noninvasive detection of soft tissue neoplasms/nodes
CN103735254A (en) * 2014-01-20 2014-04-23 广州呼研所红外科技有限公司 Triple-inspection comprehensive breast neoplasm diagnosis apparatus utilizing infrared thermography, guide pressure-sensitive palpation and ultrasonography and inspection method of apparatus
US20160051207A1 (en) * 2013-04-11 2016-02-25 Pontus Timberg Compression device for x-ray and mechanical imaging of a breast
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
CN205459740U (en) * 2016-03-25 2016-08-17 丁立 Intelligence brassiere based on sick morbidity of air cushion massage pressure detection technique early warning women's mammary gland

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090262887A1 (en) * 2008-04-17 2009-10-22 Razvan Gabriel Iordache Mammography system and method for its operation
CN101627916A (en) * 2009-08-10 2010-01-20 深圳圣诺医疗设备有限公司 Breast X-ray machine and method for realizing fully automatic exposure
CN102178509A (en) * 2011-01-28 2011-09-14 马思云 Method and system for noninvasive detection of soft tissue neoplasms/nodes
US20160051207A1 (en) * 2013-04-11 2016-02-25 Pontus Timberg Compression device for x-ray and mechanical imaging of a breast
CN103735254A (en) * 2014-01-20 2014-04-23 广州呼研所红外科技有限公司 Triple-inspection comprehensive breast neoplasm diagnosis apparatus utilizing infrared thermography, guide pressure-sensitive palpation and ultrasonography and inspection method of apparatus
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
CN205459740U (en) * 2016-03-25 2016-08-17 丁立 Intelligence brassiere based on sick morbidity of air cushion massage pressure detection technique early warning women's mammary gland

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