CN2836728Y - Skull jaw surface cone-beam computed tomography device - Google Patents
Skull jaw surface cone-beam computed tomography device Download PDFInfo
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- CN2836728Y CN2836728Y CN 200520035463 CN200520035463U CN2836728Y CN 2836728 Y CN2836728 Y CN 2836728Y CN 200520035463 CN200520035463 CN 200520035463 CN 200520035463 U CN200520035463 U CN 200520035463U CN 2836728 Y CN2836728 Y CN 2836728Y
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Abstract
The utility model relates to a cranio-maxillofa cone-beam computed tomography device of the field of medical equipment. The device is composed of a frame (1) with a rigid gantry frame structure, a frame upright post (2) in the middle of the frame (1), a slide rail (3) and a slide rail (4) at both ends, an upright post (5) for guide rails, an upright post (6) for the guide rails, a posture three-dimensional laser locator (7) in the middle of the frame (1), a radiation detector (9) on upright post (5) of the guide rails, a body surface laser scanner (8) and an X radiation source (10) on the upright post (6) of the guide rails, an image gathering and processing system (13) connected with the body surface laser scanner (8) and the radiation detector (9), and a mechanical control system (14) connected with the upright post (2) of the frame, the slide rail (3), the slide rail (4), the upright post (5) of the guide rails, and the upright post (6) of the guide rails. The utility model is used for cranio-maxillofa surgery physicians to fast diagnose illness states of clinical patients and safely and reliably make operation programs or treatment plans, and is suitable for implementation of precise guidance on skull, jaw and face plastics, the virtual face lift of aesthetic surgery and clinical operations of various hard /soft tissues and organs.
Description
Affiliated technical field: this utility model relates to field of medical, specifically is a kind of Craniomaxillary face pyramidal computererized tomographic imaging apparatus.
Background technology: have an appointment oral cavity, plastic surgery, the tumor center of nearly ten thousand tame hospitals of China has the ability to carry out neurocranial surgery, decorative sursery, plastic surgery, tooth-planting surgery, mouth neoplasm surgery, otorhinolaryngology surgery, stereotactic surgery operative treatment.Because present domestic most units adopt the clinical experience and the X-ray plain film two dimension qualitative method that follow for many years to carry out diagnostic work, surgical technic content is low, and whether successful doctor's the experience that largely depends on is judged for it.
The utility model content: the purpose of this utility model is in order to overcome the defective of prior art, for the craniomaxillofacial surgery doctor carries out clinical patient state of an illness quick diagnosis and safe and reliablely makes operation plan or treatment plan provides a kind of Craniomaxillary face pyramidal computererized tomographic imaging apparatus, to be used for cranium, jaw, face surgical plastic and the virtual face-lifting of cosmetic surgery and the hard soft tissue and the organ clinical operation of plurality of classes are implemented accurately to instruct.
The purpose of this utility model realizes by following technical proposals:
Craniomaxillary face pyramidal computererized tomographic imaging apparatus of the present utility model, by frame (1), framework pillar (2), slide rail (3), slide rail (4), guide rail upright columns (5), guide rail upright columns (6), position three-dimensional laser localizer (7), surface laser scanner (8), radiation detector (9), x-ray source (10), image acquisition and processing system (13), Machinery Control System (14) is formed, it is characterized in that frame (1) is a rigidity portal frame structure, there are 4 groups of pulleys and foot to step on positioner below, frame (1) upper support and suspension framework pillar (2), slide rail (3), slide rail (4), guide rail upright columns (5), guide rail upright columns (6), wherein, framework pillar (2) is made up of one group of helical guideway, is contained in the centre of frame (1); Slide rail (3) and slide rail (4) are contained in the two ends of frame (1) respectively; Guide rail upright columns (5) and guide rail upright columns (6) are contained in respectively on slide rail (3) and the slide rail (4); Position three-dimensional laser localizer (7) is contained in the centre of frame (1); Surface laser scanner (8), x-ray source (10) are contained on the guide rail upright columns (6); Radiation detector (9) is contained on the guide rail upright columns (5); Image acquisition links to each other with surface laser scanner (8), radiation detector (9) respectively with processing system (13); Machinery Control System (14) links to each other with framework pillar (2), slide rail (3), slide rail (4), guide rail upright columns (5), guide rail upright columns (6) respectively.
In the such scheme, position three-dimensional laser localizer (7) is made up of X, Y, three groups of laser locators of Z direction.
In the such scheme, radiation detector (9) is conventional CCD image amplifier or non-crystalline silicon planar detector or amorphous selenium planar detector, the preceding collimating apparatus that is equipped with of radiation detector (9).
In the such scheme, collimating apparatus is collimator, antiscatter grid.
In the such scheme, the focus≤0.5mm of x-ray source (10), energy is between tens kilovolts to 200 kilovolts.
In the such scheme, image acquisition and processing system (13) are made up of computer and aid system software, and its data flow is by internal network system and hospital database (12), Machinery Control System (14), doctor workstation (15), virtual analog work station (16), planning system (17) links.
Craniomaxillary face pyramidal computererized tomographic imaging of the present utility model (Cranio-Maxillo-FacialCone-Beam Computed Tomography) device, be called for short Cone-Beam CT (Cone-Beam CT) device, be to utilize helical cone-beam CT technology, the combined high precision imaging localization, computer and image processing techniques, three-dimensional visualization technique, by Computer Simulation, can (comprise: jaw face orthognathic surgery for craniomaxillofacial surgery, the head and neck plastic surgery, the tooth-planting surgery, the mouth neoplasm surgery, the otorhinolaryngology surgery, head and neck stereotactic surgeries etc.) doctor carries out clinical patient state of an illness quick diagnosis and safety, make the medical treatment device of operation (or three-dimensional conformal therapy) scheme or treatment plan reliably.This device attaches the body surface laser scanner, can carry out rapid scanning and three-dimensional reconstruction to human body head, face, jawbone, cervical region, be used with the Cone-Beam CT software system, can be widely used in cranium, jaw, face surgical plastic and the virtual face-lifting of cosmetic surgery and the hard soft tissue and the organ clinical operation of plurality of classes are implemented accurately guidance.
In fact, not only can diagnose the pathological changes situation by 3 D stereo by means of cone-beam (Cone-Beam) CT device, but also the sham operated process, improve operation and treatment safety, strengthen doctor's confidence, and also reduced to a certain extent operation difficulty, shortened treatment time, also further widened simultaneously the scope of application of operative treatment, particularly before tooth-planting surgery art, understand important anatomical structure, as at the bottom of inferior alveolar nerve pipe, the maxillary sinus, at the bottom of the nose and the relation of the 3-D solid structure between the alveolar crest; In cranium jaw face plastic surgery especially orthognathic surgery, imaging technique can be spatial and be accurately shown skin surface, the body tissue 3 D anatomy structure, comprise epidermis, corium, fat deposit, tremulous pulse, venous spatial distribution and mutual relation thereof, its degree of reproducing deformity or sick body model can reach anatomical precision, provide very important basis for accurately understanding and grasping the state of an illness and formulating rational operative treatment plan, improved the effect of plastic operation.Make some comparatively complicated operations can carry out smoothly at basic hospital.
The clinical practice meaning of craniomaxillary face pyramidal (Cone-Beam) CT device also has following several respects:
1, utilizes Cone-Beam CT image, can measure automatically, the location coordinate of calculating foci, volume size; Automatically depict the profile of jawbone and tooth; Demonstrate the coordinate points and the degree of depth of operation; Depict the oral cavity internal structure, and measure its distance and scope;
2, by advanced image processing techniques, the image of distinct devices such as patient's CT, MRI, X line can be carried out registration, fusion and three-dimensional reconstruction, for the accurate location of focus provides multiple observation, judging means, obviously increased the safe coefficient and the scope of application of operation and treatment, also be very easy to the doctor and carry out stereotactic surgery treatment operation;
3, can before art, show operating a plurality of planes focus and tooth contouring in real time by Cone-BeamCT computer scanning and image technique, also can two-dimentional, three-dimensional form show jaw face, tumor, important anatomy structure and mutual relation, for the doctor provides input of interactively head faultage image and three-dimensional reconstruction instrument, discern and set up oral cavity, head, focus, and the three-dimensional geometry description of vitals automatically.When the doctor draws up a plan for, anatomical structure situation around the assistant analysis focus, showing the relation of therapeutic process (or therapeutic dose) and vitals provides best example of three dimensional Xiang the doctor, thereby determines optimization, rational treatment schedule.According to the data of cranium jaw face Cone Beam CT collection and the anatomical structure of image reconstruction, the doctor can set up the oral cavity on the virtual analog work station, head, focus, and the three-dimensional geometry of vitals is described, carry out spatial, accurately show skeleton, skin surface, the body tissue 3 D anatomy structure, comprise the cranium brain, jawbone, the tooth profile, the tumor body, epidermis, corium, fat deposit, tremulous pulse, venous spatial distribution and mutual relation thereof, and carry out virtual operation (treatment) and simulate, provide very important basis for accurately understanding and grasping the state of an illness and formulating rational operative treatment plan, improved the effect of operation and treatment.
When 4, implanting radiotherapy in conjunction with the back dress of mouth neoplasm and particle, can directly superpose shows the dose rate pattern of inserting nucleic, makes back dress particle implant the suitable more shape of formulation of radiotherapy treatment planning, rationally, effectively;
5,, make more personalized, the precision and scientific of tooth implant surgery technology with traditional tooth-planting surgical technic digitized;
6, cooperate laser body surface spatial digitizer, carry out the volume rendering imaging, can be with the shaping of traditional jaw face, cosmetic surgery digitized, emulationization and intellectuality;
7, make the three-D CT scanning technology can enter general basic hospital and clinic, alleviate patient's financial burden greatly;
8, patient's data, image, treatment plan are carried out unified management with computer, can retrieve, inquire about, be convenient to patient is paid a return visit.
Craniomaxillary face pyramidal of the present utility model (Cone-Beam) CT device is in conjunction with the software of computer technology and image processing techniques, for the doctor provides input of interactively head faultage image and three-dimensional reconstruction instrument, discern and set up oral cavity, head, focus, and the three-dimensional geometry description of vitals automatically.When the doctor draws up a plan for, anatomical structure situation around the assistant analysis focus, the relation of emulation therapeutic process and analog information therapeutic process (or therapeutic dose) and vitals, provide best example of three dimensional Xiang the doctor, thereby determine optimization, rational treatment schedule, and printable output scheme report, the plan of storage case.
Craniomaxillary face pyramidal (Cone-Beam) CT has following key technology:
1. the quick collection and the input of pyramidal CT image data;
2. 3D image reconstruction method fast;
3. the automatic detection method of anchor point, target area profile, head profile fast and accurately;
4. effective image data fusing method;
5. adapt to different sick Virtual Analysis softwares of planting operation (treatment).
Handle and treatment planning systems software with the assistant images that Craniomaxillary face pyramidal computererized tomographic imaging apparatus of the present utility model is supporting, on the Windows of PC XP platform, develop, different work platforms versions is also arranged, and can connect by DICOM RT interface with the TPS of three-dimensional radiotherapy, to adapt to different class users' (hospital) needs.
Description of drawings:
Fig. 1 is the sketch map of this utility model embodiment one.
Fig. 2 is the computer aided system software function module sketch map of this utility model embodiment one.
In the accompanying drawing, each digital implication is: 1: frame; 2: framework pillar; 3: slide rail; 4: slide rail; 5: guide rail upright columns; 6; Guide rail upright columns; 7: position three-dimensional laser localizer; 8: the surface laser scanner; 9: radiation detector; 10:X line radiographic source; 11: patient; 12: the data base of institute; 13: image acquisition and processing system; 14; Machinery Control System; 15: doctor workstation; 16: the virtual analog work station; 17: planning system.
The specific embodiment:
Be described in further detail this utility model below in conjunction with drawings and Examples, but this utility model is not limited only to described embodiment.
Embodiment one
As depicted in figs. 1 and 2, the Craniomaxillary face pyramidal computererized tomographic imaging apparatus of this utility model embodiment one, by frame (1), framework pillar (2), slide rail (3), slide rail (4), guide rail upright columns (5), guide rail upright columns (6), position three-dimensional laser localizer (7), surface laser scanner (8), radiation detector (9), x-ray source (10), image acquisition and processing system (13), Machinery Control System (14) is formed, it is characterized in that frame (1) is a rigidity portal frame structure, there are 4 groups of pulleys and foot to step on positioner below, frame (1) upper support and suspension framework pillar (2), slide rail (3), slide rail (4), guide rail upright columns (5), guide rail upright columns (6), position three-dimensional laser localizer (7), surface laser scanner (8), radiation detector (9), x-ray source (10) is outer can also flexiblely to be moved between clinic and ward; Framework pillar (2) is made up of one group of helical guideway, is contained in the centre of frame (1), can handle guide rail upright columns (5), guide rail upright columns (6), position three-dimensional laser localizer (7) by Machinery Control System (14) and move up and down; Slide rail (3) and slide rail (4) are contained in the two ends of frame (1) respectively, the left and right sides distance and position of control slide rail (3) and slide rail (4) can make things convenient for the distance of accurately adjusting between radiation detector (9), x-ray source (10) and the patient (11), guarantees the quality and the ratio of video imaging; Guide rail upright columns (5) and guide rail upright columns (6) are contained in respectively on slide rail (3) and the slide rail (4); Position three-dimensional laser localizer (7) is contained in the centre of frame (1), is made up of X, Y, three groups of laser locators of Z direction, and the three-dimensional laser localizer effect in its effect and the CT simulated positioner is similar; Surface laser scanner (8), x-ray source (10) are contained on the guide rail upright columns (6), by surface laser scanner (8) to patient's women's head-ornaments portion rotation sweep up and down, can obtain the trickle 3-D view of the facial body surface of patient's cranium jaw, this 3-D view and rebuild with patient's cranium jaw face body 3-D view that the X line obtains can obtain jaw face, tumor, important anatomy structure and mutual relation; X-ray source (10) adopts little focus, and (focus≤0.5mm), energy is between tens kilovolts to 200 kilovolts; Radiation detector (9) is contained on the guide rail upright columns (5), adopts conventional CCD image amplifier, for influence that reduces scattered rays and the collection efficiency that improves detector, collimating apparatus such as collimator and antiscatter grid has been installed before detector; Image acquisition links to each other with surface laser scanner (8), radiation detector (9) respectively with processing system (13); Machinery Control System (14) links to each other with framework pillar (2), slide rail (3), slide rail (4), guide rail upright columns (5), guide rail upright columns (6) respectively.
Image acquisition and processing system (13) are made up of data collecting system (DAS), operation (treatment) plan preparation or pretreatment, operation (treatment) planned and assessment, virtual analog and five modules of plan output of computer and aid system software, be responsible for the image acquisition and the processing of whole system, its data flow is by internal network system and hospital database (12), Machinery Control System (14), doctor workstation (15), virtual analog work station (16), planning system (17) links, the operate as normal and the exchanges data of control whole system.
The flow process of each module is as follows:
1, data collecting system (DAS)
Accept the X line signal that passes human body of detector collection and change into, after the narrower fan-shaped X wire harness of width behind the collimator is by human body, be detected device and receive, transfer digital signal to by DAS for reconstructed image required digital signal.Handle by software for calculation, form 3 D cone-beam tomoscan image.Or carry out registration, fusion, reconstruction according to other medical image data that patient provides; Support DICOM3.0 standard and DICOM RT, CT, MRI and other image guarantee Flame Image Process precision and speed directly by network or magnetizing mediums input system, also can import film image by scanner scanning;
Can be simultaneously or the different sequence images of segmentation input different images checkout facility, for accurately making a plan and postoperative is followed up a case by regular visits to and provided convenience.
2, processing is prepared or is given in operation (treatment) plan
The automatic detection of location gauge point, the registration and the correction of image sequence in the cranium jaw body;
The automatic extraction and the volume calculation of head, focus (target area) and vitals;
Support multiple image interpolation and method for reconstructing such as parallel, vertical, inclined-plane.
Support pictorial display and processing capacities such as image window width/window position adjusting, single width/several demonstrations, amplification/dwindle, roaming, image upset, movie and mark;
Support management and split window demonstration and image comparison and the image registration and the fusion of a plurality of image sequences;
The absolute coordinate position display of arbitrfary point and CT value are surveyed;
The quantitative measurement and the demonstration of point, distance and region of interest field parameter.
3, operation (treatment) planned and assessment
Interactively planned mode (going into chamber point and operation pathway), and show in real time;
Going into demonstration directly perceived and the three-dimensional simulation on the sequence faultage image of chamber point and operation pathway shows;
Center on the extraction and the demonstration of any operation profile image of operation pathway rotation;
Three of each point normal surfaces and perpendicular to the reconstruction image plane and the demonstration of operation pathway on the operation pathway;
The intersection point of operation pathway and jaw surface skin and operation pathway are in the isoparametric real-time calculating of patient oral cavity middle distance;
Penetrate when treatment in conjunction with putting behind the intracavitary neoplasm, can directly superpose shows the dose rate pattern of inserting nucleic.
4, virtual analog
According to the data of cranium jaw face Cone Beam CT collection and the anatomical structure of image reconstruction, the doctor can set up the oral cavity on the virtual analog work station, head, focus, and the three-dimensional geometry of vitals is described, carry out spatial, accurately show skeleton, skin surface, the body tissue 3 D anatomy structure, comprise the cranium brain, jawbone, the tooth profile, the tumor body, epidermis, corium, fat deposit, tremulous pulse, venous spatial distribution and mutual relation thereof, and carry out virtual operation (treatment) and simulate, provide very important basis for accurately understanding and grasping the state of an illness and formulating rational operative treatment plan, improved the effect of operation and treatment.
5, plan output
Printout surgical planning report is comprising patient information, plan information, as target position, focus (target area) volume etc.;
Can obtain planning chart picture and assessment figure arbitrarily, and can file by single width or several splicing printouts;
Case, plan and view data can be deposited in CD-R CD/MO magneto-optic disk, realize permanently filing.
The Craniomaxillary face pyramidal computererized tomographic imaging transposition important technological parameters index of this utility model embodiment one is as follows:
The high tension generator power frequency
The maximum anode voltage 120kV of bulb
Entire scan time 40sec
Exposure 98mAs
Target material tungsten
Total 3.4mmAl+1.4mmCu that filters
Focus size 0.5mm
Anglec of rotation 360o
Scanning thickness 0.2mm
60 seconds/80 layers of the image reconstruction times (512 * 512)
Visual field size is axial: 12cm max
Vertically: 16.5cm max
Transverse section/coronalplane/sagittal plane is cut apart arbitrarily
Display window level, width-adjustable
Connect compatible DICOM 3.0
Work station PC
Power supply 220V~, 50Hz
Scattered dose<1.7mR
Weight 150-200 kilogram
Embodiment two
The Craniomaxillary face pyramidal computererized tomographic imaging apparatus of present embodiment is except that radiation detector (9) adopts the non-crystalline silicon planar detector, and all the other are with embodiment one.
Embodiment three
The Craniomaxillary face pyramidal computererized tomographic imaging apparatus of present embodiment is except that radiation detector (9) adopts the amorphous selenium planar detector, and all the other are with embodiment one.
Claims (6)
1. Craniomaxillary face pyramidal computererized tomographic imaging apparatus, by frame (1), framework pillar (2), slide rail (3), slide rail (4), guide rail upright columns (5), guide rail upright columns (6), position three-dimensional laser localizer (7), surface laser scanner (8), radiation detector (9), x-ray source (10), image acquisition and processing system (13), Machinery Control System (14) is formed, it is characterized in that frame (1) is a rigidity portal frame structure, there are 4 groups of pulleys and foot to step on positioner below, frame (1) upper support and suspension framework pillar (2), slide rail (3), slide rail (4), guide rail upright columns (5), guide rail upright columns (6), wherein, framework pillar (2) is made up of one group of helical guideway, is contained in the centre of frame (1); Slide rail (3) and slide rail (4) are contained in the two ends of frame (1) respectively; Guide rail upright columns (5) and guide rail upright columns (6) are contained in respectively on slide rail (3) and the slide rail (4); Position three-dimensional laser localizer (7) is contained in the centre of frame (1); Surface laser scanner (8), x-ray source (10) are contained on the guide rail upright columns (6); Radiation detector (9) is contained on the guide rail upright columns (5); Image acquisition links to each other with surface laser scanner (8), radiation detector (9) respectively with processing system (13); Machinery Control System (14) links to each other with framework pillar (2), slide rail (3), slide rail (4), guide rail upright columns (5), guide rail upright columns (6) respectively.
2. Craniomaxillary face pyramidal computererized tomographic imaging apparatus according to claim 1 is characterized in that position three-dimensional laser localizer (7) is made up of X, Y, three groups of laser locators of Z direction.
3. Craniomaxillary face pyramidal computererized tomographic imaging apparatus according to claim 1, it is characterized in that radiation detector (9) is conventional CCD image amplifier or non-crystalline silicon planar detector or amorphous selenium planar detector, the preceding collimating apparatus that is equipped with of radiation detector (9).
4. Craniomaxillary face pyramidal computererized tomographic imaging apparatus according to claim 3 is characterized in that collimating apparatus is collimator, antiscatter grid.
5. Craniomaxillary face pyramidal computererized tomographic imaging apparatus according to claim 1 is characterized in that the focus≤0.5mm of x-ray source (10), and energy is between tens kilovolts to 200 kilovolts.
6. Craniomaxillary face pyramidal computererized tomographic imaging apparatus according to claim 1, it is characterized in that image acquisition and processing system (13) be made up of computer and aid system software, its data flow is by internal network system and hospital database (12), Machinery Control System (14), doctor workstation (15), virtual analog work station (16), planning system (17) links.
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CN 200520035463 CN2836728Y (en) | 2005-09-15 | 2005-09-15 | Skull jaw surface cone-beam computed tomography device |
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CN 200520035463 CN2836728Y (en) | 2005-09-15 | 2005-09-15 | Skull jaw surface cone-beam computed tomography device |
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Cited By (6)
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CN107485409A (en) * | 2017-09-19 | 2017-12-19 | 董成武 | A kind of ct apparatus |
CN107773262A (en) * | 2017-11-30 | 2018-03-09 | 上海联影医疗科技有限公司 | Aid in positioner, C-arm x-ray machine and the localization method of C arms perspective |
CN110755142A (en) * | 2019-12-30 | 2020-02-07 | 成都真实维度科技有限公司 | Control system and method for realizing space multi-point positioning by adopting three-dimensional laser positioning |
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CN107485409A (en) * | 2017-09-19 | 2017-12-19 | 董成武 | A kind of ct apparatus |
US11013486B2 (en) | 2017-09-25 | 2021-05-25 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for locating a target subject |
US11058389B2 (en) | 2017-09-25 | 2021-07-13 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for locating a target subject |
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US11583240B2 (en) | 2017-09-25 | 2023-02-21 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for locating a target subject |
US11974874B2 (en) | 2017-09-25 | 2024-05-07 | Shanghai United Imaging Healthcare Co., Ltd. | System and method for locating a target subject |
CN107773262A (en) * | 2017-11-30 | 2018-03-09 | 上海联影医疗科技有限公司 | Aid in positioner, C-arm x-ray machine and the localization method of C arms perspective |
CN110755142A (en) * | 2019-12-30 | 2020-02-07 | 成都真实维度科技有限公司 | Control system and method for realizing space multi-point positioning by adopting three-dimensional laser positioning |
CN110755142B (en) * | 2019-12-30 | 2020-03-17 | 成都真实维度科技有限公司 | Control system and method for realizing space multi-point positioning by adopting three-dimensional laser positioning |
CN111407434A (en) * | 2020-04-16 | 2020-07-14 | 江西省人民医院 | Simple auxiliary support for neurosurgery three-dimensional directional operation |
CN111553979A (en) * | 2020-05-26 | 2020-08-18 | 广州狄卡视觉科技有限公司 | Operation auxiliary system and method based on medical image three-dimensional reconstruction |
CN111553979B (en) * | 2020-05-26 | 2023-12-26 | 广州雪利昂生物科技有限公司 | Operation auxiliary system and method based on three-dimensional reconstruction of medical image |
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