CN204445836U - A kind of diseased region video picture projection guider - Google Patents
A kind of diseased region video picture projection guider Download PDFInfo
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- CN204445836U CN204445836U CN201520093941.4U CN201520093941U CN204445836U CN 204445836 U CN204445836 U CN 204445836U CN 201520093941 U CN201520093941 U CN 201520093941U CN 204445836 U CN204445836 U CN 204445836U
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Abstract
The utility model discloses a kind of diseased region video picture projection guider, comprise support, support is provided with image collection parts, projection part and multiple excitation source, and image collection parts connect projection part, and projection part is provided with projection modulating device and projected image registration arrangement.This device controls by projection modulating device and projected image registration arrangement period that image collection and projected image are staggered to carry out, the image launched of projector equipment can not gather by image capture device; When excitation light irradiation gap, fluoroscopic image is projected respective organization lesion region by projector equipment, and the image launched is carried out registration, is caught by doctor's naked eyes.Thus surgical doctor both can have been allowed to see the image projected out, the light avoiding again projector equipment to launch gather by image collection parts, efficiently avoid projected image and other bias lights to the impact of fluoroscopic image, improve precision and the success rate of operation.
Description
Technical field
This utility model relates to medical operating auxiliary device technical field, is specifically related to a kind of diseased region video picture projection guider.
Background technology
Traditional medicine surgical operation, due to surgical apparatus, apparatus and technical restriction, depend on the clinical experience of surgical doctor to a great extent, and the clinical experience of different doctors is different, and operation precision can be caused different with success rate.Meanwhile, when carrying out traditional medicine surgical operation, the working strength of surgical doctor and work load are all very large.
In recent decades, along with development and the innovation of the technology such as Medical Imaging Technology, image processing techniques, surgical operation is towards meticulous, future development accurately and rapidly.The novel operation auxiliary facilities that operation guiding system develops out just in the process, the ultimate principle of this kind equipment is that the medical images such as PET, CT, MRI, fluorescence are carried out respective handling (image co-registration, coordinate transform etc.), thus realizes the guiding in real time in preoperative observation effectively or operation process.First this kind equipment is applied to neurosurgery, promotes gradually subsequently and is used for other field of surgery, comprise orthopaedics, department of otorhinolaryngology and plastic surgery etc.Wherein, tumor resection is an emerging field of operation guiding system application.At present, tumor resection is the prefered method of Therapeutic cancer, also be the most effective Therapeutic Method, the method by cancer primary lesion (position that cancer occurs at first) and metastatic lesion (focus shifted by constitutional) being excised in the lump, thus makes patient obtain healing chance.In tumor resection, doctor can adopt operation navigation device to differentiate lesion and benign cell position accurately, to realize the accurate excision to lesion as operation auxiliary device.Operation guiding system improves for the precision of location of operation, the minimizing of iatrogenic injury of performing the operation, operation pathway optimization and success rate improve first-class tool and be of great significance.
Existing medical guider generally by the required medical image of photographic head shooting, is presented at after treatment on corresponding screen, is supplied to doctor's diseased region information.Although the information needed for operation can be presented in face of doctor by this method, but the image that doctor sees separates with patient's actual lesion position and shows, need doctor constantly to switch the visual field in operation process, cause doctor in the process of removal of lesions, cannot operate accurately.Meanwhile, due to the information that doctor needs ceaselessly transformation angle to provide to obtain image, great inconvenience is brought to surgical process.
Also some are had to propose the method for the medical image projection after by process to corresponding operative region, but, this can cause the image that projects out again collected equipment gathered, add difficulty to the image procossing of subsequent time, introduce unnecessary background image and noise.Thus make collection, projection image accuracy be deteriorated, add the uncertainty of operation.
Utility model content
The purpose of this utility model is to provide a kind of diseased region video picture projection guider, the image of surgical patient diseased region can be gathered and accurate projection to patient's diseased region, guided operation doctor carries out tumor resection accurately.
For achieving the above object, the technical scheme that an embodiment of the present utility model is taked is:
Comprise support, support is provided with image collection parts, projection part and multiple excitation source, and image collection parts connect projection part, and projection part is provided with projection modulating device and projected image registration arrangement.
Preferably, image processing section is provided with between image collection parts and projection part.
Preferably, image collection parts are provided with image enhaucament parts.
Preferably, image collection parts are provided with filter part.
Preferably, the modulating device that projects connects projected image correction demodulating equipment.
Preferably, support comprises base modules and installation module, and base modules and installation module removably connect, and image collection parts and projection part are arranged on installation module.
Preferably, base modules is standing support or Worn type support.
Preferably, projection part is provided with portable power source, and portable power source connects microprocessor.
Preferably, installation module can move and rotate in base modules.
The beneficial effect that this diseased region video picture projection guider produces is:
1. this device is provided with image collection parts, projection part and multiple excitation source, excitation source uniform irradiation is to focal area, image collection parts gather diseased region image, are transferred to projection part, and projection part is provided with projection modulating device and projected image registration arrangement; Controlled by the period, during image collection, the image that projector equipment is launched is projected modulating device to be stopped, cannot project operative region, can not gather by image capture device; When excitation light irradiation gap, fluoroscopic image by projection modulating device and projected image registration arrangement, can be projected respective organization lesion region, and the image launched is carried out registration, caught by doctor's naked eyes by the image that projector equipment is launched.The sample frequency of period controlled frequency, at more than 50Hz, reaches requirement of real time.The time of the image projected out and the time of described image collection parts collection stagger mutually, thus surgical doctor both can have been allowed to see the image projected out, the light avoiding again projector equipment to launch gather by image collection parts, efficiently avoid projected image and other bias lights to the impact of fluoroscopic image, improve precision and the success rate of operation.
2. be provided with image processing section between image collection parts and projection part, the picture received is required to process according to different surgery situation, such as pseudo-color enhancing, Iamge Segmentation, image sharpening, rim detection or image co-registration etc., the operation information that needs are obtained is more clear in picture, by this sightless operation information, as tumor fluorescence, skeletal shape or vascularity etc. are visual, and contrast strongly with background parts, can highlight out from background parts, can after projecting out, doctor is facilitated to identify lesion region and normal tissue regions position more accurately, assist physician carries out preoperative observation and location of operation.
3. image collection parts are provided with filter part, before filter part is arranged on image collection member forward end, for other background miscellaneous light of filtering, thus clearly collect the image information of diseased region.
4. support comprises base modules and installation module, and base modules and installation module removably connect, and contributes to installation and the transport of device; According to selected device specification, can unrestricted choice be stent-type or Worn type, be used in different operative regions and surgical environments.
5. the modulating device that projects connects projected image correction demodulating equipment, in order to be processed by the image after modulation, thus makes image more clear, makes corresponding operation information more obvious, is easy to distinguish.
6. projection part is provided with portable power source, and portable power source connects microprocessor, can power at the situation down feed system not having power supply to input, and device uses convenient.
7. installation module can move and rotate in base modules, according to the needs of operation, can adjust the angle and direction of installation module freely.
Accompanying drawing explanation
Figure 1 shows that the schematic diagram of an embodiment of diseased region video picture of the present utility model projection guider.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with this utility model specific embodiment and corresponding accompanying drawing, technical solutions of the utility model are clearly and completely described.
With reference to figure 1, in an embodiment of the present utility model; diseased region video picture projection guider comprises support; support is provided with image collection parts 5, projection part 3 and multiple excitation source 8; image collection parts 5 connect projection part 3, and projection part is provided with projection modulating device 4 and projected image registration arrangement.
Image collection parts 5 can be CCD, CMOS camera or other image collection parts.
In an embodiment of the present utility model, select CCD camera that near-infrared photoperceptivity is strong as image collection parts, in order to gather fluorescence information.
The light launched of projection part 8 not only can light but also the focus medical image after can launching enhancing as a setting, made naked eyes observe lesions position.
In an embodiment of the present utility model, adopt micro projector as projector equipment, what micro projection projector adopted is digital light process DLP shadow casting technique, and its projection brightness is 260 lm, highest resolution can reach 1920*1080, and the distance that can project is at 0-3m.
To guarantee that CCD camera camera lens collection position and micro projector launch position in the installation process of guider relative fixing.
Excitation source 8, for generation of the exciting light of some strength, is irradiated to a certain characteristic frequency exceeding the human eye limit of resolution on the pathological tissues injecting fluorescent imaging agent, and it is consistent with the image acquisition period that it irradiates the period.Can according to operation demand, selected number and position, be arranged on correct position and make it can be radiated at operative region relevant position.
Excitation source 8 can be different according to use occasion, select the light source of the enough power of different size, wavelength, shape, it can excite operation tumor region according to certain frequency, be staggered with the projected image time of projection part 3, namely operative region is not projected at projected image, and image collection parts 5 excite when gathering image, also can environmentally select Chang Liang to excite.
In an embodiment of the present utility model, excitation source 8 can adopt LED, LD or the enough light source of other power, is fixed on operating-table or rack-mount, is radiated at uniformly on operative region.
In an embodiment of the present utility model, select the hand-held LED array of 690nm as excitation source, produce fluorescence in order to fluorescence excitation contrast agent.
Projection modulating device 4 controls the frequency that image is launched by projection part 3, makes it synchronous with image collection parts 5: namely to remove the light projected out when image acquisition, only gathers the fluorescence inspired; Launch the FREQUENCY CONTROL of image more than human eye span of discrimination, thus make operative doctor can be clear that the projected image do not glimmered.
The image that image collection parts 5 collect is controlled to launch through projection modulating device 4 by projection part 3, and the image launched is carried out registration, can overlap with the tumor section in tissue.
Projection modulating device 4 can carry out frequency to projected light, phase place, the change of amplitude or the light source of mixing of different types, various conversion is carried out to exit pattern, use the method for other change light source information such as spot scan or line sweep light source, make the picture projected out meet corresponding demand, be convenient to differentiate and observe.
Projection modulating device 4 according to different demand, can adopt mechanical type device (chopper wheel, high-speed shutter etc.), electron type device (control circui, electronic shutter etc.) or other types device etc.
In an embodiment of the present utility model, adopt chopper wheel as the light source frequency modulation system of projection modulating device 4, be arranged on micro projector projection mouth position.
In an embodiment of the present utility model, image processing section 6 is provided with between image collection parts 5 and 3, Projection Division, the picture received is required to process according to different surgery situation, such as pseudo-color enhancing, Iamge Segmentation, image sharpening, rim detection or image co-registration etc., the operation information that needs are obtained is more clear in picture, by this sightless operation information, as tumor fluorescence, skeletal shape or vascularity etc. are visual, and contrast strongly with background parts, can highlight out from background parts, can after projecting out, doctor is facilitated to identify lesion region and normal tissue regions position more accurately, assist physician carries out preoperative observation and location of operation.
In an embodiment of the present utility model, image collection parts 5 are provided with image enhaucament parts, the operation fluoroscopic image of image collection parts collection is strengthened, and is transferred to projection part 3, launch corresponding enhancing image in particular procedure region by projection part 3.
Because modulating device may have certain influence in the definition of the image launched and stability, therefore, in an embodiment of the present utility model, projection modulating device 4 connects projected image correction demodulating equipment, in order to the image after modulation is processed, thus make image more clear, make corresponding operation information more obvious, be easy to distinguish.
In an embodiment of the present utility model, image collection parts 5 are provided with filter part 7, are arranged on image collection parts 5 front end, for other background miscellaneous light of filtering, thus clearly collect the fluorescence information of tumor locus.
Further, in an embodiment of the present utility model, filter part 7 mates with excited wavelength of fluorescence, image formed by the light only gathering fluorescence place wave band.
In an embodiment of the present utility model, filter part 7 can adopt long pass filter, bandpass filter or other have the filter device of corresponding function.
In an embodiment of the present utility model, filter part 7 can select the long pass filter of 780nm, before being installed on CCD camera camera lens.
In an embodiment of the present utility model, support comprises base modules 1 and installation module 2, and for removably connecting between base modules 1 and installation module 2, image collection parts 5 and projection part 3 are arranged on installation module 2, contribute to installation and the transport of device; According to selected device specification, can unrestricted choice be brace type or Worn type, be used in different operative regions and surgical environments, under being in the normal surgical operational circumstances such as operating room, brace type surgical stent can be selected, be fixed on operating-table or operating room corresponding position.When being in field emergency, field operations, during outdoor Emergency Assistance, can use Worn type support, are worn on head or other body part of doctor, can fast and easy carry out observing or performing the operation, and reduce personnel and drop into.
In an embodiment of the present utility model, installation module 2 can move and rotate in base modules 1, according to the needs of operation, can adjust the angle and direction of installation module 2 freely.
In an embodiment of the present utility model, projection part 3 is provided with portable power source, and portable power source connects microprocessor, can power at the situation down feed system not having power supply to input, and device uses convenient.
With reference to figure 1, the duty of this guider is divided into two states, first job state is image acquisition state: assisting by external circuits, excitation source 8 and image collection parts 5 reach synchronizing function, namely when excitation source 8 is opened, excitation light irradiation is to operative region, image collection parts 5 are just started working, gather corresponding fluorescence information, meanwhile, assisted by external circuits, control image projection and image collection are staggered mutually by projection modulating device 4, namely in image acquisition process, the image that projection part 3 projects can not project in operative region.In order to make the flicker of glasses impression less than light of doctor, the excitation light irradiation frequency of employing and the projection part 3 after frequency modulation launch picture frequency and are all greater than 75Hz.The image collected is transferred to image processing section 6 and carries out image procossing, and the image after then process being strengthened again passes to projection part 3.Now, guider enters second duty: the image that projection part 3 projects is controlled by projection modulating device 4, enhancing image projection can be made to corresponding operative region, arrive observed by doctor's naked eyes, simultaneously image collection parts 5 break-off, the not image that goes out of acquired projections.What projection modulating device 4 controlled projected image launches frequency at more than 75Hz, and exceed the human eye limit of resolution, operative doctor can't feel the flicker of projected image, thus alleviates sense of discomfort.
When using this device, for fluorescence can be collected in focal area, in collection image forward direction operative region tissue, inject the indole mountain valley with clumps of trees and bamboo green (ICG), then use excitation focal area.ICG has been widely used in multiple surgical navigational as developing agent, its operation principle is, inject ICG in biological tissues, outside respective wavelength is (as 690nm, 785nm etc.) excitation light irradiation time, the near infrared band fluorescence of some strength can be inspired, this part near-infrared fluorescent can be collected to the light activated CCD of more than 800nm near-infrared, form fluoroscopic image.
The use step of guider of the present utility model is as follows:
1. this guider is fixed on by operative region, adjusts position, operative region can be collected by image collection parts 5 completely;
2. fluorescent contrast agent is injected patient focal area;
3. treat that patient is in place, opens system switching, mobile excitation source 8 makes exciting light uniform irradiation to focal area;
4. carry out fluoroscopic image collection and projection;
5. the exciting light that excitation source 8 produces excites focal area with the certain frequency exceeding human eye span of discrimination, when it is irradiated to focal area, image collection parts 5 start to carry out image acquisition, the fluoroscopic image collected is passed to image processing section 6, again by strengthen after image transfer to projection part 3, now, the image that projection part 3 launches is projected modulating device 4 to be stopped, cannot operative region be projected, can not be gathered by image acquisition component 5; In excitation light irradiation gap, the fluoroscopic image after process enhancing can be projected respective organization lesion region by projection modulating device 4 by the image that projection part 3 launches, and is caught by doctor's naked eyes.
When doctor performs the operation, or when patient moves, the fluoroscopic image launched can follow the tracks of focal area, moves simultaneously; Doctor, according to launched fluoroscopic image, can judge position and the size of organizing lesion region, excises accordingly or other operations;
After excision or other operations terminate, whether doctor can pass through projected fluoroscopic image exists or there is size, judges whether pathological tissues is cleared up completely, ensure operation thoroughly and success.
Guider disclosed in the utility model, except being applied to cancer surgery, can also be applied to neurosurgery, vascular surgery, plastic surgery, orthopaedics and department of otorhinolaryngology etc.This device processes needing the operative image information used, and the image registration after process is projected to corresponding operative region, be superimposed upon on operative region live tissue, make doctor's naked eyes can capture corresponding operation information, extend the visual range that surgeon is limited, breach the boundary of traditional surgery, have updated the concept of surgical operation and surgical operating instrument.The tools such as raising location of operation precision, minimizing surgical injury, optimization operation pathway and raising success rate of operation are of great significance.
Above-mentioned embodiment is used for explaining and this utility model is described; instead of this utility model is limited; in the protection domain of spirit of the present utility model and claim, any amendment make this utility model and change, all fall into protection domain of the present utility model.
Claims (9)
1. a diseased region video picture projection guider, it is characterized in that: comprise support, described support is provided with image collection parts, projection part and multiple excitation source, described image collection parts connect projection part, and described projection part is provided with projection modulating device and projected image registration arrangement.
2. device according to claim 1, is characterized in that: be provided with image processing section between described image collection parts and projection part.
3. device according to claim 1 and 2, is characterized in that: described image collection parts are provided with image enhaucament parts.
4. device according to claim 1 and 2, is characterized in that: described image collection parts are provided with filter part.
5. device according to claim 1 and 2, is characterized in that: described projection modulating device connects projected image correction demodulating equipment.
6. device according to claim 1, is characterized in that: described support comprises base modules and installation module, and described base modules and installation module removably connect, and described image collection parts and projection part are arranged on installation module.
7. device according to claim 6, is characterized in that: described base modules is standing support or Worn type support.
8. device according to claim 6, is characterized in that: described installation module can move and rotate in described base modules.
9. device according to claim 1 and 2, is characterized in that: described projection part is provided with portable power source, and described portable power source connects microprocessor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520093941.4U CN204445836U (en) | 2015-02-10 | 2015-02-10 | A kind of diseased region video picture projection guider |
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| CN201520093941.4U CN204445836U (en) | 2015-02-10 | 2015-02-10 | A kind of diseased region video picture projection guider |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104605824A (en) * | 2015-02-10 | 2015-05-13 | 安徽信美医学工程科技有限公司 | Diseased part development and projection navigation device |
| CN109793578A (en) * | 2019-03-01 | 2019-05-24 | 航天中心医院 | A kind of method and system carrying out intracranial lesion body surface location using projector |
| CN110720985A (en) * | 2019-11-13 | 2020-01-24 | 安徽领航智睿科技有限公司 | Multi-mode guided surgical navigation method and system |
-
2015
- 2015-02-10 CN CN201520093941.4U patent/CN204445836U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104605824A (en) * | 2015-02-10 | 2015-05-13 | 安徽信美医学工程科技有限公司 | Diseased part development and projection navigation device |
| CN109793578A (en) * | 2019-03-01 | 2019-05-24 | 航天中心医院 | A kind of method and system carrying out intracranial lesion body surface location using projector |
| CN110720985A (en) * | 2019-11-13 | 2020-01-24 | 安徽领航智睿科技有限公司 | Multi-mode guided surgical navigation method and system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180531 Address after: 230088 room 221, min Chuang center, 605 Mount Huangshan Road, hi tech Zone, Hefei, Anhui. Patentee after: Hefei new mecmeck Medical Technology Co., Ltd. Address before: 230088 Room 302, A3 building, Hefei Innovation Industrial Park, 800 Wangjiang West Road, Hefei, Anhui. Patentee before: ANHUI XINMEI MEDICAL ENGINEERING TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20190210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |