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1. 发明申请

WO2023087997A1 BUCKY TRAY OF BUCKY AND BUCKY 审中-公开
公开(公告)号：WO2023087997A1
公开(公告)日：2023-05-25
申请号：PCT/CN2022/125360
申请日：2022-10-14
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： WANG, Zong Qin
IPC分类号： A61B6/00 , G03B42/04 , G03B42/02
摘要： A bucky tray of a bucky, including a tray body (10), connection bases (20), and moving limit assemblies (30). Each connection base is disposed on the tray body and includes fastening portions (21). Each fastening portion includes a plurality of fastening holes (23). The plurality of fastening holes are distributed in an adjustment direction (F2), and the adjustment direction is perpendicular to a thickness direction (Fl) of the tray body. Each moving limit assembly includes a first seat (31), a moving limit block (32), and fastening members (33). The first seat is movably disposed on the connection base in the adjustment direction. The moving limit block is movably connected to the first seat in the thickness direction and configured to abut against a flat-panel detector carried on the bucky tray in the adjustment direction. Each fastening member is fixedly connected to the moving limit block and capable of being inserted into any of the fastening holes of the fastening portion in the thickness direction. The bucky tray facilitates adjustment of the placement attitude of the flat-panel detector or replacement with a flat-panel detector of a different model. In addition, a bucky is also provided.

2. 发明申请

WO2023284746A1 X-RAY IMAGE ACQUISITION METHOD AND SYSTEM, X-RAY MACHINE, AND STORAGE MEDIUM 审中-公开
公开(公告)号：WO2023284746A1
公开(公告)日：2023-01-19
申请号：PCT/CN2022/105230
申请日：2022-07-12
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： WANG, Yudan , FEI, Xiaoai , YANG, Yousheng , YANG, Zhiming
IPC分类号： A61B6/00
摘要： Embodiments of the present invention disclose an X-ray image acquisition method and system, an X-ray machine, and a storage medium. The method includes: acquiring a captured target image of a target region; when it is determined that there is at least one to-be-optimized region of a bright region and/or a dark region in the target image, calculating, for each to-be-optimized region, a pixel average of the to-be-optimized region in the target image, and determining a to-be-optimized region received dose corresponding to the pixel average of the to-be-optimized region; adjusting an X-ray emission dose of an X-ray source according to a principle of making the to-be-optimized region received dose reach an X-ray reference received dose, and acquiring optimized images of the target region captured based on the X-ray emission dose adjustedto meet a requirement; and adding and synthesizing the optimized images, or adding and synthesizing the optimized images and the target image, to obtain an X-ray image of the target region. Through the technical solutions in the embodiments of the present invention, X-ray images that meet the imaging quality requirement can be obtained.

3. 发明申请

WO2023272950A1 METHOD FOR VERTICALLY POSITIONING EXAMINEE, APPARATUS FOR VERTICALLY POSITIONING EXAMINEE, AND CT SYSTEM 审中-公开
公开(公告)号：WO2023272950A1
公开(公告)日：2023-01-05
申请号：PCT/CN2021/118503
申请日：2021-09-15
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： CHEN, Kai , LU, Jing , TIAN, Yi
IPC分类号： A61B6/03 , A61B6/04 , A61B6/032 , A61B6/0407 , A61B6/0487
摘要： This application relates to a method for vertically positioning an examinee, an apparatus for vertically positioning an examinee, and a CT system. The method includes: obtaining a position of an examination table after placement of an examinee is completed; determining a measurement range that is corresponding to a to-be-examined organ and that is on the examination table, where the measurement range includes a start point and an end point in the horizontal direction; during movement of the examination table toward a scanner gantry, when the start point reaches a measurement position of a sensor attached to the scanner gantry, causing the sensor to start to measure a distance to the examinee, and when the end point reaches the measurement position, stopping measurement, and obtaining a height of the examination table while the sensor performs measurement; calculating an organ center height based on a measurement result of the sensor, the height of the sensor, and the height of the examination table, where the height represents an average height of the organ in the vertical direction; and adjusting the height of the examination table based on the organ center height, so that the adjusted organ center height is equal to the isocenter height of the scanner gantry, so as to minimize a radiation dose to the examinee and improve CT imaging quality.

4. 发明申请

WO2023000437A1 METHOD FOR DETERMINING LONGITUDINAL POSITION OF COMBINED PHANTOM, COMPUTER READABLE STORAGE MEDIUM, AND CT DEVICE 审中-公开
公开(公告)号：WO2023000437A1
公开(公告)日：2023-01-26
申请号：PCT/CN2021/115082
申请日：2021-08-27
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： LI, Taotao , GU, Xuan , TIAN, Yi , LOU, Yuting
IPC分类号： A61B6/00 , A61B6/03
摘要： The present invention discloses a method for determining a longitudinal position of a combined phantom, a computer readable storage medium, and a CT device. The method includes: scanning the combined phantom to obtain a topogram thereof, the combined phantom being fixed to a table top and protruding beyond the table top, the combined phantom being axially parallel to the longitudinal direction, the combined phantom including a plurality of phantoms and one of which being a slice phantom; identifying the plurality of phantoms on the topogram; and using an axial center of the slice phantom as the longitudinal position of the combined phantom. According to the method for determining a longitudinal position of a combined phantom, the computer readable storage medium, and the CT device in the present invention, the longitudinal position is determined by using the topogram of the combined phantom, and a phantom position can be quickly and automatically aligned.

5. 发明申请

WO2023272929A1 CT BEAM HARDENING CORRECTION METHOD, CT BEAM HARDENING CORRECTION DEVICE, AND STORAGE MEDIUM 审中-公开
公开(公告)号：WO2023272929A1
公开(公告)日：2023-01-05
申请号：PCT/CN2021/116208
申请日：2021-09-02
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： ZHANG, Guo Qing , WANG, Yang , ZHOU, Wei , CHEN, Wen Hao
IPC分类号： A61B6/00 , A61B6/5258 , A61B6/583
摘要： Disclosed are a CT beam hardening correction method, a CT beam hardening correction device, and a storage medium. The CT beam hardening correction method includes: scanning a phantom to obtain measured projection data of the phantom; calculating estimated theoretical projection data of the phantom based on an initial estimated position of the phantom by using a theoretical projection data calculation model; calculating an actual position of the phantom based on the measured projection data and the estimated theoretical projection data of the phantom; calculating actual theoretical projection data of the phantom by using the theoretical projection data calculation model according to the actual position; calculating a beam hardening correction factor according to a relationship among expected projection data of a scanned object, measured projection data of the scanned object, and a beam hardening correction factor, the actual theoretical projection data of the phantom, and measured projection data of the phantom; and calculating corrected projection data of a measured object according to the calculated beam hardening correction factor, measured projection data of the measured object, corrected projection data of the measured object, and the relationship.

6. 发明申请

WO2022253055A1 IMAGE MAGNIFICATION METHOD AND SYSTEM FOR X-RAY MEDICAL EQUIPMENT, AND STORAGE MEDIUM 审中-公开
公开(公告)号：WO2022253055A1
公开(公告)日：2022-12-08
申请号：PCT/CN2022/094803
申请日：2022-05-24
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： KLAUSMANN, Hagen , FEI, Xiaoai
IPC分类号： A61B6/00
摘要： The present invention provides an image magnification method and system for X-ray medical equipment, and a storage medium. According to an implementation, the image magnification method for X-ray medical equipment provided in the present invention includes: selecting a point of interest on an X-ray image of an imaging object obtained by X-ray medical equipment; determining a region of interest based on the point of interest according to a predetermined rule; and clipping the region of interest from the X-ray image and displaying the region of interest. The present invention not only facilitates the operation of the operator and prevents an inspection object from being exposed to a high radiation dose, but also avoids a pixel loss of the image and realizes the lossless digital magnification of the image of the region of interest.

7. 发明申请

WO2022188590A1 AUTOMATED DISINFECTION SYSTEM FOR CT PATIENT TABLE 审中-公开
公开(公告)号：WO2022188590A1
公开(公告)日：2022-09-15
申请号：PCT/CN2022/076071
申请日：2022-02-11
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： WANG, Wei , SUN, Min , MU, Hongde , LIU, Jieqing , TENG, Changqing , MA, Yizhi
IPC分类号： A61L2/10 , A61L2/24 , A47B5/00 , A61B6/00
摘要： The utility model discloses an automated disinfection system for a CT patient table, where the automated disinfection system for a CT patient table includes: a disinfection mechanism disposed above the CT patient table; a detection mechanism, disposed on the disinfection mechanism and configured to detect a position of the CT patient table; and a control mechanism, configured to communicate with the disinfection mechanism by using a communication interface, so as to control start/stop and operation of the disinfection mechanism, where the disinfection mechanism is configured to perform horizontal movement and vertical movement during scanning gaps of a plurality of patients, so as to disinfect a use surface of the CT patient table. The utility model enables rapid and automated disinfection on the use surface of the CT patient table during scanning gaps of a plurality of patients, thereby reducing a risk of cross-infection and saving manpower.

8. 发明申请

WO2022073382A1 METHOD, APPARATUS, AND SYSTEM FOR GENERATING MEDICAL COMBINATION IMAGE, AND STORAGE MEDIUM 审中-公开
公开(公告)号：WO2022073382A1
公开(公告)日：2022-04-14
申请号：PCT/CN2021/112291
申请日：2021-08-12
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： HUANG, Zi Xiao , MA, Fu Bo , YOU, Zhang Ke
IPC分类号： G06T11/00 , A61B5/00
摘要： Implementations of the present invention provide a method, an apparatus, and a system for generating a medical combination image, and a storage medium. The method includes: obtaining a medical image generated by performing medical imaging on a to-be-imaged object by using a medical imaging system; obtaining a three-dimensional image generated by photographing the to-be-imaged object by using a photographing assembly; generating, based on the three-dimensional image, a two-dimensional image of the to-be-imaged object being transformed to be at a predetermined angle; and generating a medical combination image including the medical image and the two-dimensional image. The medical combination image not only includes the medical image generated by imaging, but also includes the two-dimensional image transformed from the photographed three-dimensional image. The medical combination image enriches information content, and facilitates mastering of more information of the to-be-imaged object in multiple dimensions by a viewer. The medical combination image further includes tag information, thereby having a prompt effect with a distinctive feature, and not interfering presentation of the to-be-imaged object.

9. 发明申请

WO2023077307A1 HEIGHT COMPENSATION SYSTEM FOR PATIENT TABLE 审中-公开
公开(公告)号：WO2023077307A1
公开(公告)日：2023-05-11
申请号：PCT/CN2021/128448
申请日：2021-11-03
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： CHEN, Jiajian , ZHU, Ping
IPC分类号： A61B5/00 , A61B6/04 , A61B5/055
摘要： The present disclosure relates to a height compensation system for a patient table, including: a light reflection block (102), disposed on a gantry side of a medical device, and configured to reflect a received optical signal; a photoelectric detector (103), disposed on the patient table (S) opposite to the light reflection block (102), and configured to emit an optical signal outward and detect a reflected signal of the optical signal; and a controller (104), communicably connected to the photoelectric detector (103), and configured to control, when the photoelectric detector (103) detects a reflected signal reflected by the light reflection block (102), the patient table (S) to move upward in a vertical direction, until the photoelectric detector (103) does not detect the reflected signal reflected by the light reflection block (102).

10. 发明申请

WO2023023955A1 METHOD AND APPARATUS FOR DETERMINING TOUCH PANEL TO OBJECT DISTANCE IN X-RAY IMAGING 审中-公开
公开(公告)号：WO2023023955A1
公开(公告)日：2023-03-02
申请号：PCT/CN2021/114385
申请日：2021-08-24
申请人： SIEMENS SHANGHAI MEDICAL EQUIPMENT LTD.
发明人： PENG, Xishuai , CAO, Jingtai , ZOU, Yunzhe
IPC分类号： A61B6/04 , A61B6/00 , A61B5/00
摘要： Implementations of the present invention disclose a method and apparatus for determining a touch panel to object distance (TOD) in X-ray imaging. The method includes: obtaining a three-dimensional image of a to-be-detected subject that includes an object; determining a source to image distance (SID) and a touch panel to detector distance (TDD); determining, based on the three-dimensional image, a distance between a light source of a camera assembly that captures the three-dimensional image and a predetermined key point located on a surface of the to-be-detected subject, where the predetermined key point corresponds to an X-ray imaging protocol; and determining the TOD based on the SID, the TDD, and the distance between the light source and the predetermined key point. The implementations of the present invention implement automatic measurement of a TOD, reduce the complexity, and further improve the accuracy of the TOD.

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