CN112603342B - Compression device, mammary gland X-ray imaging machine and mammary gland detection imaging method - Google Patents
Compression device, mammary gland X-ray imaging machine and mammary gland detection imaging method Download PDFInfo
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- 238000003384 imaging method Methods 0.000 title claims abstract description 168
- 230000006835 compression Effects 0.000 title claims abstract description 48
- 238000007906 compression Methods 0.000 title claims abstract description 48
- 210000005075 mammary gland Anatomy 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 210000000481 breast Anatomy 0.000 claims description 96
- 210000000779 thoracic wall Anatomy 0.000 claims description 23
- 238000003325 tomography Methods 0.000 claims description 4
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- 230000007547 defect Effects 0.000 description 13
- 238000003745 diagnosis Methods 0.000 description 9
- 230000009286 beneficial effect Effects 0.000 description 7
- 210000001519 tissue Anatomy 0.000 description 7
- 206010006187 Breast cancer Diseases 0.000 description 3
- 208000026310 Breast neoplasm Diseases 0.000 description 3
- 238000009607 mammography Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
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- 210000000038 chest Anatomy 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- A61B6/502—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of breast, i.e. mammography
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- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0825—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the breast, e.g. mammography
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Abstract
The invention discloses a compression device, a mammary gland X-ray imaging machine with the compression device and a mammary gland detection imaging method with the mammary gland X-ray imaging machine, wherein the compression device is applied to the mammary gland X-ray imaging machine and comprises the following components: the ultrasonic scanning device comprises a plate body, a guide rail, a sliding block, a rotating piece and at least one ultrasonic scanner, wherein the guide rail is arranged on the plate body; the sliding block is connected with the guide rail in a sliding manner; the rotating piece is rotationally connected with the sliding block; the ultrasonic scanner is arranged on the rotating piece. The pressing device is applied to the mammary gland X-ray imaging machine, can assist in detecting the scanning dead angle of the mammary gland X-ray forming machine, and can clearly scan the image of the dense mammary gland region.
Description
Technical Field
The invention relates to the technical field of breast detection imaging equipment, in particular to a compression device, a breast X-ray imaging machine and a breast detection imaging method.
Background
The mammography is a common breast image examination means, and has been used as a breast cancer screening standard technology for many years, so that the breast cancer death rate is effectively reduced. During photographing, the mammary gland is fixed between the mammary gland pressing device and the image receiver, the X-ray bulb tube above the image receiver emits X-rays, part of the X-rays are absorbed by the mammary gland, and the X-rays which are not absorbed are collected by the image receiver to generate an image of the mammary gland.
Based on the above prior art means, the breast X-ray machine cannot perform coverage scanning on breast tissue close to the breast wall side, that is, there is a scanning dead angle, and in addition, the dense region of the breast is difficult to be penetrated by X-rays, so that the imaging of the dense region of the breast is not clear enough.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a compression device which can assist in detecting the scanning dead angle of a mammary gland X-ray forming machine and can clearly scan the image of a mammary gland compact region.
The invention also provides a mammary gland X-ray imaging machine with the pressing device and a mammary gland detection imaging method with the mammary gland X-ray imaging machine.
The compression device according to the embodiment of the first aspect of the invention is applied to a mammary gland X-ray imaging machine, and comprises: the ultrasonic scanning device comprises a plate body, a guide rail, a sliding block, a rotating part and at least one ultrasonic scanner, wherein the guide rail is arranged on the plate body; the sliding block is connected with the guide rail in a sliding manner; the rotating piece is rotationally connected with the sliding block; the ultrasonic scanner is arranged on the rotating piece.
The compression device provided by the embodiment of the invention has at least the following beneficial effects: when the mammary gland of a detected person is scanned and imaged, judging which areas need to be supplemented with ultrasonic scanning by collecting and arranging X-ray photographic images on an imaging receiving table, and marking the areas needing to be supplemented with scanning; then ultrasonic supplementary scanning is carried out, an ultrasonic scanner is started, the position of a sliding block and the angle of a rotating piece are adjusted, so that the ultrasonic scanner scans the chest wall side and scans a marked area to form an ultrasonic scanning image; splicing, fusing and aligning the data of the ultrasonic scanning image and the data of the X-ray photographic image;
when ultrasonic supplementary scanning is carried out, the sliding block is in sliding connection with the guide rail, so that the rotating piece can translate along the length direction of the guide rail, the position of the ultrasonic scanner is adjusted, the angle orientation of the ultrasonic scanner is conveniently adjusted by matching with the rotation of the rotating piece, and the position and the angle orientation of the ultrasonic scanner can be flexibly adjusted;
because the limitation of the X-ray photography lies in the breast tissue of the chest wall side region and the local compact region of the breast, after the X-ray photography imaging, the X-ray photography imaging is analyzed, the ultrasonic scanner on the pressing device can carry out targeted ultrasonic scanning on the chest wall side and the local compact region of the breast, the original X-ray photography imaging is completed, the imaging defect of the original X-ray photography imaging is eliminated, the image is clear and reliable, the diagnosis is convenient, the photographing dead angle of the X-ray can be eliminated, and the defect that the whole breast is not easy to be covered by the existing ultrasonic scanning for integral imaging can be solved.
According to some embodiments of the invention, the top of the plate body is provided with a receiving groove, and the rotating member is arranged in the receiving groove. Through the arrangement of the accommodating groove, the rotating piece can be conveniently accommodated, and the thickness of the plate body can be relatively reduced, so that an ultrasonic scanner in the rotating piece can penetrate through the plate body more easily to scan the mammary gland;
according to some embodiments of the present invention, the guide rail includes a transverse rail section and a longitudinal rail section, the transverse rail section is connected to the longitudinal rail section, the transverse rail section and the longitudinal rail section are disposed on a side wall of the plate body, and the sliding block moves along the transverse rail section or the longitudinal rail section, so that the ultrasonic scanner on the rotating member can be conveniently connected to the coordinate system of the X-ray imaging area, and therefore, the ultrasonic scanning image and the X-ray photographic image can be conveniently spliced according to the coordinate system.
According to some embodiments of the invention, the top surface of the guide rail is provided with a guide groove, and the bottom of the sliding block is provided with a projection matched with the guide groove. The guide way plays the guide effect, through lug and guide way cooperation for the sliding block can slide along the length direction of guide way.
According to some embodiments of the present invention, the rotating member is a long strip, and the plurality of ultrasonic scanners are uniformly arranged along the length direction of the rotating member, which is beneficial to improving the scanning efficiency and the scanning range of the ultrasonic scanners, so that the scanning and imaging of the ultrasonic waves are clearer.
According to some embodiments of the invention, the bottom of the plate body is provided with a flexible layer. Through setting up the flexible layer, when oppression device's bottom contacted examinee's breast, be favorable to improving examinee's comfort level.
A breast X-ray imaging machine according to an embodiment of a second aspect of the present invention is characterized by comprising: a gantry, an imaging subject table, an X-ray emitter, and a compression apparatus according to embodiments of the first aspect of the present invention, the imaging subject table being disposed on the gantry; the X-ray emitter is arranged on the stand and positioned above the imaging receiving platform; the compression device is arranged on the rack and located between the imaging receiving platform and the X-ray emitter, the compression device can move up and down, and the compression device and the imaging receiving platform form a compression area.
The mammary gland X-ray imaging machine provided by the embodiment of the invention has at least the following beneficial effects: when the mammary gland of a detected person is scanned and imaged, the mammary gland of the detected person is placed in the extrusion region, and the chest wall side of the detected person is respectively abutted with the side wall of the compression device and the side wall of the imaging platform, so that the mammary gland extends into the extrusion region as much as possible, and the imaging quality is improved; the compression device is adjusted to move downwards, so that the breast of the examinee is clamped and fixed in the compression area, on one hand, the breast can be fixed on the imaging receiving table to prevent the breast from moving, and on the other hand, the breast can be flattened, and the X-ray can penetrate through the breast; then starting the detection device and the X-ray emitter, and imaging the mammography by the X-ray emitter to form an X-ray radiographic image on the imaging receptor; collecting X-ray photographic images on an imaging receiving table, judging which areas need to be supplemented with ultrasonic scanning, and marking the areas needing to be supplemented with scanning;
then ultrasonic supplementary scanning is carried out, an ultrasonic scanner is started, the position of a sliding block and the angle of a rotating piece are adjusted, so that the ultrasonic scanner scans the lateral part of the breast and scans the marked area to form an ultrasonic scanning image; splicing, fusing and aligning the data of the ultrasonic scanning image and the data of the X-ray photographic image;
when ultrasonic supplementary scanning is carried out, the sliding block is in sliding connection with the guide rail, so that the rotating piece can translate along the length direction of the guide rail, the position of the ultrasonic scanner is adjusted, the angle orientation of the ultrasonic scanner is conveniently adjusted by matching with the rotation of the rotating piece, and the position and the angle orientation of the ultrasonic scanner can be flexibly adjusted;
because the limitation of the X-ray photography lies in the breast tissue of the chest wall side region and the local dense region of the breast, after the X-ray photography imaging, the X-ray photography imaging is analyzed, the ultrasonic scanner on the compression device can carry out targeted ultrasonic scanning on the chest wall side and the local dense region of the breast, the original X-ray photography imaging is completed, the imaging defect of the original X-ray photography imaging is eliminated, the image is clear and reliable, the diagnosis is convenient, the photography dead angle of the X-ray can be eliminated, and the defect that the whole breast cannot be easily covered by the existing ultrasonic scanning for integral imaging can be solved.
A breast detection imaging method according to a third aspect of the present invention is characterized by comprising the steps of: placing the breast of the subject in the compression region of the breast X-ray imaging machine according to the embodiment of the second aspect of the present invention, with the chest wall side of the subject abutting against the side wall of the compression device and the side wall of the imaging table, respectively; adjusting the compression device to move downwards to enable the breast of the detected person to be clamped and fixed in the compression area; starting an X-ray emitter, carrying out X-ray photographic imaging on the mammary gland, and forming an X-ray photographic image on an imaging receiving table; collecting X-ray photographic images on an imaging receiving table, judging which areas need to be supplemented with ultrasonic scanning, and marking the areas needing to be supplemented with scanning; starting the ultrasonic scanner, adjusting the position of the sliding block and the angle of the rotating piece, enabling the ultrasonic scanner to scan the lateral part of the breast and scan the marked area to form an ultrasonic scanning image; and splicing, fusing and aligning the data of the ultrasonic scanning image and the data of the X-ray photographic image.
The breast detection imaging method provided by the embodiment of the invention has at least the following beneficial effects: because the limitation of the X-ray photography lies in the breast tissue of the chest wall side region and the local compact region of the breast, after the X-ray photography imaging, the X-ray photography imaging can be analyzed, the ultrasonic scanner on the pressing device can carry out targeted ultrasonic scanning on the chest wall side and the local compact region of the breast, the original X-ray photography imaging is completed, the imaging defect of the original X-ray photography imaging is eliminated, the image is clear and reliable, the diagnosis is convenient, the photographing dead angle of the X-ray can be eliminated, and the defect that the whole breast cannot be easily covered by the existing ultrasonic scanning for integral imaging can be solved.
According to some embodiments of the invention, the radiographic imaging is two-dimensional imaging, three-dimensional tomography imaging, three-dimensional tomosynthesis two-dimensional imaging, or dual-energy contrast enhanced imaging. Through the multiple X-ray imaging modes of choice, make equipment select suitable imaging mode according to actual demand for use, improve the suitability of equipment formation of image.
According to some embodiments of the present invention, when the radiographic imaging is three-dimensional tomographic imaging, the ultrasonic scanner performs ultrasonic scanning along the direction parallel to the X-ray direction and at the same layer spacing, and the obtained radiographic image and the obtained ultrasonic scanned image are spliced, fused and aligned according to the corresponding and same layer spacing, so as to obtain an accurate three-dimensional fused image of the ultrasonic breast scanning and the X-ray radiographic image, improve the definition and accuracy of the three-dimensional image, and improve the diagnosis quality of the breast.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a partial structure of a breast X-ray imaging machine according to an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure of a breast X-ray imaging machine according to another embodiment of the present invention;
fig. 3 is a schematic diagram of a breast X-ray imaging machine according to an embodiment of the present invention.
Reference numerals:
A movable member 140, an imaging subject table 200, a subject 300, a breast 310, a chest wall side 320, a gantry 400.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings only for the convenience of description of the present invention and simplification of the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means is one or more, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the essential numbers, and greater than, less than, etc. are understood as including the essential numbers. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.
As shown in fig. 1 and fig. 2, a compression apparatus according to an embodiment of the first aspect of the present invention is applied to a breast X-ray imaging machine, and includes: the ultrasonic scanning device comprises a plate body 100, a guide rail 120, a sliding block 130, a rotating member 140 and at least one ultrasonic scanner, wherein the guide rail 120 is arranged on the plate body 100; the sliding block 130 is connected with the guide rail 120 in a sliding way; the rotating member 140 is rotatably connected with the sliding block 130; the ultrasonic scanner is provided on the rotation member 140.
In the above embodiment, when scanning and imaging the mammary gland of the examinee, by collecting and arranging the radiographic images on the imaging platform 200, it is determined which regions need to be supplemented with the ultrasonic scanning, and the regions that need to be supplemented with the scanning are marked; then, ultrasonic supplementary scanning is carried out, an ultrasonic scanner is started, the position of the sliding block 130 and the angle of the rotating piece 140 are adjusted, so that the ultrasonic scanner scans the chest wall side and scans the marked area to form an ultrasonic scanning image; splicing, fusing and aligning the data of the ultrasonic scanning image and the data of the X-ray photographic image;
when the ultrasonic supplementary scanning is performed, the sliding block 130 is in sliding connection with the guide rail 120, so that the rotating member 140 can translate along the length direction of the guide rail 120, the position of the ultrasonic scanner can be adjusted, the angle orientation of the ultrasonic scanner can be conveniently adjusted by matching with the rotation of the rotating member 140, and the position and the angle orientation of the ultrasonic scanner can be flexibly adjusted;
because the limitation of the X-ray photography lies in the breast tissue of the chest wall side region and the local dense region of the breast, after the X-ray photography imaging, the X-ray photography imaging is analyzed, the ultrasonic scanner on the compression device can carry out targeted ultrasonic scanning on the chest wall side and the local dense region of the breast, the original X-ray photography imaging is completed, the imaging defect of the original X-ray photography imaging is eliminated, the image is clear and reliable, the diagnosis is convenient, the photography dead angle of the X-ray can be eliminated, and the defect that the whole breast cannot be easily covered by the existing ultrasonic scanning for integral imaging can be solved.
The plate body 100 can adopt a breast pressing plate required by conventional automatic scanning volumetric breast ultrasound ABUS to better cooperate with an ultrasonic scanner to perform scanning imaging; the rotating member 140 may be formed in a housing shape, or a plate shape, and when the housing shape is formed, a housing cavity is formed in the housing, and the ultrasonic scanner is hidden and accommodated in the housing cavity, so as to improve the simplicity of the apparatus. When the ultrasonic scanner is a plate, the ultrasonic scanner may be fixed to a sidewall of the plate by fastening a fastener, bonding with glue, or the like, so that the ultrasonic scanner may change an angular orientation with the rotation of the rotation member 140.
According to the traditional breast ultrasonic examination, a breast image is obtained through the track, the angle and the sound wave parameters of the probe, and the breast image has the common defects that micro-calcification and other early breast cancer lesions are difficult to detect.
In addition, in the traditional mammary gland ultrasonic examination, a doctor needs to hold an ultrasonic probe by hand, and scan and diagnose in real time at the same time, so that the arm of the doctor is tired for a long time; the section of the imaging depends on personalized operation, the examination result has a large relationship with the manipulation and experience of the sonographer, and the standardization and the repeatability cannot be ensured. When the breast imaging device with the compression device provided by the embodiment of the invention performs ultrasonic supplementary scanning, the direction of the ultrasonic scanner can be automatically controlled to perform scanning by additionally arranging driving pieces such as an air cylinder and a motor on the plate body 100 in cooperation with the sliding block 130 and the rotating piece 140, and the breast imaging device can also perform semi-automatic scanning by manually controlling the angle, so that the labor intensity of an operator can be reduced; by recording the image data, the doctor can make a diagnosis by looking at the image at the moment, and the doctor is not required to be on site.
According to some embodiments of the present invention, the top of the plate body 100 is provided with a receiving groove 110, and the rotating member 140 is disposed in the receiving groove 110. Through the arrangement of the accommodating groove 110, on one hand, the rotating member 140 can be conveniently accommodated, and on the other hand, the thickness of the plate body 100 can be relatively reduced, so that the ultrasonic scanner in the rotating member 140 can more easily penetrate through the plate body 100 to scan the mammary gland;
according to some embodiments of the present invention, the top surface of the guide rail 120 is provided with a guide groove 121, and the bottom of the slide block 130 is provided with a protrusion engaged with the guide groove 121. The guide groove 121 serves as a guide, and the slide block 130 can slide along the length direction of the guide groove 121 by the engagement of the protrusion with the guide groove 121.
According to some embodiments of the present invention, the guide rail includes a transverse rail section and a longitudinal rail section, the transverse rail section is connected with the longitudinal rail section, the transverse rail section and the longitudinal rail section are disposed on the side wall of the plate body, the guide groove can be disposed on the top surface of the transverse rail section and the top surface of the longitudinal rail section, and the sliding block 130 can slide along the transverse rail section and the longitudinal rail section, so that the ultrasonic scanner has the functions of transverse translational scanning and longitudinal translational scanning; the sliding block moves along the transverse rail section or the longitudinal rail section, so that the ultrasonic scanner on the rotating piece can be conveniently connected with a coordinate system of an X-ray imaging area, and an ultrasonic scanning image and an X-ray photographic image can be conveniently spliced according to the coordinate system.
Of course, in other embodiments, a sliding slot may be provided on the sliding block 130, and the sliding slot is slidably engaged with the top or side of the guide rail 120 to realize the sliding connection between the sliding block 130 and the guide rail 120.
According to some embodiments of the present invention, the rotating member is an elongated member, and the plurality of ultrasonic scanners are uniformly arranged along the length direction of the rotating member 140, which is beneficial to improving the scanning efficiency and the scanning range of the ultrasonic scanners, so that the scanning image of the ultrasonic waves is clearer.
According to some embodiments of the present invention, the bottom of the plate body 100 is provided with a flexible layer. By providing the flexible layer, the bottom of the compression device is in contact with the breast of the subject, which is beneficial to improving the comfort of the subject.
A breast X-ray imaging machine according to an embodiment of a second aspect of the present invention is characterized by comprising: a gantry 400, an imaging subject table 200, an X-ray emitter and a compression apparatus according to the above-described first embodiment of the present invention, the imaging subject table 200 being disposed on the gantry 400; the X-ray emitter is arranged on the stand 400 and is positioned above the imaging subject table 200; the pressing device is arranged on the frame 400 and located between the imaging receiving platform 200 and the X-ray emitter, the pressing device can move up and down, and a pressing area is formed between the pressing device and the imaging receiving platform 200.
In the above embodiment, when scanning and imaging the breast of the subject, the breast of the subject is placed in the compression region, and the chest wall side of the subject is abutted to the side wall of the compression device and the side wall of the imaging table, so that the breast is extended into the compression region as much as possible, thereby improving the imaging quality; the compression device is adjusted to move downwards, so that the breasts of the examinee are clamped and fixed in the compression area, on one hand, the breasts can be fixed on the imaging receiving table to prevent the breasts from moving, and on the other hand, the breasts can be flattened, and the X-ray can penetrate the breasts conveniently; then, the detection device and the X-ray emitter are started, the X-ray emitter performs mammography imaging, and an X-ray radiographic image is formed on the imaging receiving table 200; collecting X-ray photographic images on the imaging subject table 200, judging which areas need to be supplemented with ultrasonic scanning, and marking the areas needing to be supplemented with scanning;
then, ultrasonic supplementary scanning is carried out, an ultrasonic scanner is started, the position of the sliding block 130 and the angle of the rotating piece 140 are adjusted, so that the ultrasonic scanner scans the lateral part of the breast and scans the marked area to form an ultrasonic scanning image; splicing, fusing and aligning the data of the ultrasonic scanning image and the data of the X-ray photographic image;
when the ultrasonic supplementary scanning is performed, the sliding block 130 is slidably connected with the guide rail 120, so that the rotating member 140 can translate along the length direction of the guide rail 120, the position of the ultrasonic scanner can be adjusted, the angle orientation of the ultrasonic scanner can be conveniently adjusted by matching with the rotation of the rotating member 140, and the position and the angle orientation of the ultrasonic scanner can be flexibly adjusted;
because the limitation of the X-ray photography lies in the breast tissue of the chest wall side region and the local dense region of the breast, after the X-ray photography imaging, the X-ray photography imaging is analyzed, the ultrasonic scanner on the compression device can carry out targeted ultrasonic scanning on the chest wall side and the local dense region of the breast, the original X-ray photography imaging is completed, the imaging defect of the original X-ray photography imaging is eliminated, the image is clear and reliable, the diagnosis is convenient, the photography dead angle of the X-ray can be eliminated, and the defect that the whole breast cannot be easily covered by the existing ultrasonic scanning for integral imaging can be solved.
Wherein, the compressing device and the frame 400 can be connected in a sliding way, so that the compressing device can move up and down to adjust the distance between the compressing device and the imaging receiving platform, and the breast of the examinee can be effectively compressed and fixed.
It should be noted that, as shown in fig. 1, fig. 2 and fig. 3, the subject 300 is simplified into a geometric model in the figure, and the subject 300 has a breast 310 and a chest wall side 320, wherein the breast 310 is clamped and fixed between the plate 100 of the breast detection imaging machine and the imaging table 200, and the chest wall side 320 is respectively abutted with the side wall of the plate 100 and the side wall of the imaging table 200, so that the breast 310 is extended between the plate 100 and the imaging table 200 as much as possible, so as to improve the imaging quality of the breast.
It is contemplated that in other embodiments, the frame 400 is provided with an electric push rod, an air cylinder or a hydraulic telescopic element, and the pressing device is connected to the movable portion of the telescopic element, so that the telescopic element can drive the pressing device to move up and down.
According to some embodiments of the present invention, the rack 400 is provided with a sliding groove, the pressing device is provided with a sliding block matched with the sliding groove, and the sliding connection between the pressing device and the rack 400 is realized through the matching of the sliding block and the sliding groove, so as to ensure that the pressing device can move up and down. Of course, in other embodiments, the positions of the sliding grooves and the sliding blocks can be interchanged, and the sliding connection of the pressing device and the frame 400 can also be realized.
A breast detection imaging method according to a third aspect of the present invention is characterized by comprising the steps of: placing the breast of the subject in the compression area of the breast X-ray imaging machine according to the embodiment of the second aspect of the present invention, with the chest wall side of the subject abutting against the side wall of the compression device and the side wall of the imaging table, respectively; adjusting the compression device to move downwards so that the breast of the examinee is clamped and fixed in the compression area; starting the X-ray emitter, carrying out X-ray photographic imaging on the mammary gland, and forming an X-ray photographic image on the imaging receiving table 200; collecting X-ray photographic images on the imaging receiving table 200, judging which areas need to be supplemented with ultrasonic scanning, and marking the areas needing to be supplemented with scanning; starting the ultrasonic scanner, adjusting the position of the sliding block 130 and the angle of the rotating block 140, so that the ultrasonic scanner scans the lateral part of the breast and scans the marked area to form an ultrasonic scanning image; and splicing, fusing and aligning the data of the ultrasonic scanning image and the data of the X-ray photographic image.
The breast detection imaging method provided by the embodiment of the invention has at least the following beneficial effects: because the limitation of the X-ray photography lies in the breast tissue of the chest wall side region and the local compact region of the breast, after the X-ray photography imaging, the X-ray photography imaging is analyzed, the ultrasonic scanner on the compression device can carry out targeted ultrasonic scanning on the chest wall side and the local compact region of the breast, the original X-ray photography imaging is completed, the imaging defect of the original X-ray photography imaging is eliminated, the image is clear and reliable, the diagnosis is convenient, the photography dead angle of the X-ray can be eliminated, and the defect that the whole breast cannot be easily covered by the existing ultrasonic scanning for integral imaging can be solved.
According to some embodiments of the invention, the radiographic imaging is two-dimensional imaging, three-dimensional tomographic imaging, three-dimensional tomosynthesis two-dimensional imaging, or dual-energy contrast enhanced imaging. Through the multiple X-ray imaging modes of choice, make equipment select suitable imaging mode according to actual demand for use, improve the suitability of equipment formation of image.
The two-dimensional imaging cost is low, and the supplementary ultrasonic imaging step comprises the steps that an X-ray emitter irradiates downwards to obtain a mammary gland X-ray two-dimensional image, an ultrasonic scanner performs local targeted scanning, the ultrasonic image and the X-ray two-dimensional image are fused and spliced to obtain a clear and complete mammary gland image, and the imaging of the side part of a breast and a dense mammary gland region is covered.
The core steps of the dual-energy contrast enhanced imaging supplementary ultrasonic imaging and the two-dimensional imaging supplementary ultrasonic imaging are similar, and the finally obtained images are two-dimensional images, and the difference is that the dual-energy contrast enhanced imaging is irradiated by energy beams with different intensities generated by an X-ray generator or X-ray radio frequency filtering, for example, a picture is respectively shot under the conditions of high energy and low energy, then subtraction is carried out, and photographic imaging is carried out by matching with a contrast medium injected at the chest part of a detected person, so that the imaging precision is higher and the images are clearer compared with the common two-dimensional imaging.
According to some embodiments of the present invention, when the radiographic imaging is three-dimensional tomographic imaging, the ultrasonic scanner performs ultrasonic scanning along the direction parallel to the X-ray direction and at the same layer interval, and the obtained radiographic image and the ultrasonic scanned image are spliced, fused and aligned according to the corresponding and same layer interval, so as to obtain an accurate three-dimensional fusion image of the ultrasonic breast scanning and the X-ray radiographic image, improve the definition and accuracy of the three-dimensional image, and improve the diagnosis quality of the breast.
Specifically, during three-dimensional tomography, the mammary gland is immobilized, and X-ray exposure is performed at regular intervals to obtain a plurality of X-ray images, while during ultrasonic supplementary scanning, the X-ray exposure is performed at corresponding and same intervals and angles to accurately fuse and splice the X-ray images.
The core steps of the three-dimensional tomosynthesis two-dimensional imaging are similar to those of the above embodiments, except that a process of expanding and synthesizing the three-dimensional tomosynthesis two-dimensional image is performed subsequently, and the process is known by those skilled in the art and is not described herein again.
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The present embodiment has been described in detail with reference to the drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.
Claims (8)
1. The utility model provides a oppression device, is applied to mammary gland X-ray imaging machine which characterized in that includes:
the plate comprises a plate body (100), wherein the top of the plate body (100) is provided with an accommodating groove (110);
the guide rail (120) is arranged on the side wall of the plate body (100), the guide rail (120) comprises a transverse rail section and a longitudinal rail section, one end of the transverse rail section is connected with one end of the longitudinal rail section to form an L-shaped guide rail, and the top surface of the guide rail (120) is provided with a guide groove (121);
a sliding block (130), the sliding block (130) is connected with the guide rail (120) in a sliding mode and can slide into the longitudinal rail section from the transverse rail section or slide into the transverse rail section from the longitudinal rail section, and a convex block matched with the guide groove (121) is arranged at the bottom of the sliding block (130);
the rotating piece (140) is long and is connected with the sliding block (130) at one end of the rotating piece (140);
at least one ultrasonic scanner disposed within the rotating member (140);
wherein, through with rotate piece (140) orientation the bottom of holding tank (110) is rotated, rotate piece (140) and ultrasonic scanner can hold in holding tank (110) is in order to conveniently accomodate rotate piece (140), and make rotate piece (140) in the ultrasonic scanner can pierce through easily plate body (100).
2. A compression device according to claim 1,
the plurality of ultrasonic scanners are uniformly arranged along the length direction of the rotating member (140).
3. A compression device according to claim 1,
the bottom of the plate body (100) is provided with a flexible layer.
4. A breast X-ray imaging machine, comprising:
a frame (400);
the imaging platform (200), the imaging platform (200) is arranged on the rack (400);
the X-ray emitter is arranged on the rack (400) and is positioned above the imaging subject table (200);
a compression apparatus as claimed in any one of claims 1 to 3, provided to the gantry (400) between the imaging subject (200) and the X-ray emitter, the compression apparatus being movable up and down, a compression region being formed between the compression apparatus and the imaging subject (200).
5. A breast detection imaging method comprising the steps of:
placing a breast of a subject in the compression region of the breast X-ray imaging machine of claim 4 with the chest wall side of the subject abutting the side wall of the compression device and the side wall of the imaging table, respectively;
adjusting the compression device to move downwards so that the breast of the examinee is clamped and fixed in the compression area;
starting an X-ray emitter, carrying out X-ray photography imaging on the mammary gland, and forming an X-ray photography image on an imaging receiving table (200);
collecting X-ray photographic images on the imaging subject table (200), judging which areas need to be supplemented with ultrasonic scanning, and marking the areas needing to be supplemented with scanning;
starting an ultrasonic scanner, and adjusting the position of the sliding block (130) and the angle of the rotating piece (140) to enable the ultrasonic scanner to scan the side of the breast, the chest wall and the marked area to form an ultrasonic scanning image;
and splicing, fusing and aligning the data of the ultrasonic scanning image and the data of the X-ray photographic image.
6. The breast detection imaging method according to claim 5,
the radiographic imaging is two-dimensional imaging, three-dimensional tomography imaging, or dual-energy contrast enhanced imaging.
7. The breast detection imaging method according to claim 5,
the radiographic imaging is three-dimensional tomosynthesis two-dimensional imaging.
8. The breast detection imaging method according to claim 6,
when the X-ray photography imaging is three-dimensional tomography imaging, the ultrasonic scanner conducts ultrasonic scanning along the direction parallel to the X-ray direction and at the same interlayer spacing, and the obtained X-ray photography image and the obtained ultrasonic scanning image are spliced, fused and aligned according to the corresponding and same interlayer spacing.
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