CN207264655U - Based on motion-captured and mixed reality ophthalmologic operation training system - Google Patents
Based on motion-captured and mixed reality ophthalmologic operation training system Download PDFInfo
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- CN207264655U CN207264655U CN201721887713.XU CN201721887713U CN207264655U CN 207264655 U CN207264655 U CN 207264655U CN 201721887713 U CN201721887713 U CN 201721887713U CN 207264655 U CN207264655 U CN 207264655U
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Abstract
The utility model provides a kind of based on motion-captured and mixed reality ophthalmologic operation training system.The front 3-D view for gathering animal eyeball sample in surgical procedure in real time by 3D photographic microscopes based on the motion-captured and ophthalmologic operation training system of mixed reality, by setting pulsed laser detector to position the position of the operation tool on operation tool, the position of the operation tool and the difference of normal place are compared by central processing unit, information is corrected to out position, tutorial message is provided according to procedure by central processing unit, and position correction information and tutorial message are added in the front 3-D view of the 3D photographic microscopes collection, shown by mixed reality display terminal, the sense of reality and telepresenc of ophthalmologic operation training can be lifted, improve the real-time instruction effect in surgery training, shorten the ophthalmologic operation training cycle, reduce ophthalmologic operation training cost, lift training quality.
Description
Technical field
Medical training technical field is the utility model is related to, more particularly to it is a kind of based on motion-captured and mixed reality eye
Section's surgery training system.
Background technology
Eyes are the very important organs of head part, extremely fragile since its is complicated, position on the head of people, because
This ophthalmologic operation carried out to eyes, is one kind in the most difficult operation of hospital, needs doctor to have to complete ophthalmologic operation
There is high technology.The shared oculist 28000 or so in the whole nation at present, but can carry out intraocular surgery less than 4000 people, energy
The doctor of the highly difficult ophthalmologic operations such as enough complete independently corneal transplantations is still very deficient less than hundred people, oculist's resource
It is weary so that the treatment of ophthalmology disease receives very big limitation, and how more, quickly the doctor of culture grasp ophthalmologic operation becomes
The a difficult problem urgently to be solved.
Traditional ophthalmologic operation Training Methodology is mainly to concentrate instruction, demonstration teaching, substitute (eyeball as selected pig)
Rehearsal and on-the-spot guidance formula practical operation, during due to training student's viewing angle and doctor's work angle have differences, demonstration teaching people
Reason, the even senior oculists such as number is limited, insufficient, the live practical operation risk of substitute rehearsal telepresenc is big grasp this hand
Art is required for the long period, and the cultivation cycle of young doctor is just more very long.The problem of virtual ophthalmologic operation training is equipment
With program complex and expensive, and simulating degree or relatively large distance with truly performing the operation, the sense of reality is not strong.
Virtual reality (Virtual Reality, VR) technology is a kind of computer that can be created with the experiencing virtual world
Emulation technology, it creates a Virtual Space using computer, and user can be immersed to the Virtual Space completely by VR glasses
In, using Binocular Vision Principle, Virtual Space is 3D solids in glasses, so as to reach effect on the spot in person.By virtual
Augmented reality (Augmented Reality, AR) technology that reality technology develops is to truly by virtual information superposition
In the world, perceived by human sensory, so as to reach the sensory experience of exceeding reality, different from virtual reality technology, using increasing
Strong reality technology user can not only see the virtual information generated by computer, additionally it is possible to see the true letter in the existing world
Breath, telepresenc and the sense of reality are all stronger.Mixed reality technology (Mixed Reality, MR) combines AR technologies and VR technologies, it
The image transmission for the real physical world that optical lens is photographed carries out image procossing to processor, processor to the image,
And enhancing superposition is carried out, since processing speed is fast, shown in display device is immersed, by the figure for being superimposed and optimizing
Picture, with the time delay of real physical world in a few tens of milliseconds, can be regarded as the real-time imaging of real physical world completely.
Utility model content
The purpose of this utility model is to provide a kind of based on motion-captured and mixed reality ophthalmologic operation training system,
Can true reappearance ophthalmologic operation process, and to start-up carry out real-time instruction, lifted ophthalmologic operation training the sense of reality with
Telepresenc, shortens the ophthalmologic operation training cycle, reduces ophthalmologic operation training cost.
To achieve the above object, the utility model provides a kind of based on the training of the motion-captured and ophthalmologic operation of mixed reality
Exercising system, it is characterised in that including：Emulate operating table, the animal eyeball sample on the emulation operating table, described in correspondence
The 3D photographic microscopes of animal eyeball sample setting, the central processing unit connected with 3D photographic microscopes communication, corresponding institute
State at least three laser pulse emission devices and centre that animal eyeball sample sets and is connected with the central processing unit communication
The mixed reality display terminal of reason device communication connection and the operation tool being connected with the central processing unit communication；
The operation tool be equipped with laser pulse detector and with the laser pulse detector and central processing unit
Communicate the communication module of connection.
The operation tool includes：Deformation class operation tool and non-deformation class operation tool, perform the operation in each deformation class
The deformation position of instrument is additionally provided with posture and catches sensor, and the posture catches sensor and connected with communication module communication.
The deformation class operation tool includes：Surgical glove and surgical scissors, the non-deformation class operation tool include：Hand
Art knife.
It is miniature elastic resistance that the posture, which catches sensor,.
The communication module is wireless communication module.
The laser pulse letter that the quantity of the laser pulse emission device is three and three laser pulse emission devices are sent
Number frequency it is different.
On the outer circumferential surface for the camera lens that three laser pulse emission devices are uniformly distributed in the 3D photographic microscopes.
The mixed reality display terminal includes：Left eye display screen and right eye display screen.
The left-eye image display screen and eye image display screen are silicon-based liquid crystal display screen, two pole of silicon-based organic light-emitting
Tube display screen or micro- light emitting diode (LED) display screen.
The beneficial effects of the utility model：The utility model provides a kind of based on motion-captured and mixed reality ophthalmology
Surgery training system, it is described real-time by 3D photographic microscopes based on the motion-captured and ophthalmologic operation training system of mixed reality
The front 3-D view of animal eyeball sample in surgical procedure is gathered, by setting pulsed laser detector to determine on operation tool
The position of the position operation tool, the position of the operation tool and the difference of normal place are compared by central processing unit, is given
Out position corrects information, provides tutorial message according to procedure by central processing unit, and position is corrected information and guidance
In the front 3-D view that information superposition is gathered to the 3D photographic microscopes, shown by mixed reality display terminal, energy
The sense of reality and telepresenc of ophthalmologic operation training are enough lifted, the real-time instruction effect in surgery training is improved, shortens ophthalmologic operation
The cycle is trained, reduces ophthalmologic operation training cost, lifts training quality.
Brief description of the drawings
In order to be further understood that the feature of the utility model and technology contents, refer to new below in connection with this practicality
The detailed description of type and attached drawing, but attached drawing is only provided and used with reference to explanation, is not used for being any limitation as the utility model.
In attached drawing,
Fig. 1 is the utility model based on the signal of the motion-captured and module of the ophthalmologic operation training system of mixed reality
Figure；
Fig. 2 is the utility model based on the motion-captured and ophthalmologic operation training system of mixed reality structural representation
Figure；
Fig. 3 be the utility model based on operation tool in the motion-captured and ophthalmologic operation training system of mixed reality and
The structure diagram of laser pulse emission device.
Embodiment
The technological means and its effect taken for further elaboration the utility model, below in conjunction with the utility model
Preferred embodiment and its attached drawing are described in detail.
Please refer to Fig.1 and Fig. 2, the utility model provide a kind of based on motion-captured and mixed reality ophthalmologic operation training
System, including：Emulate operating table 1, the animal eyeball sample 2 on the emulation operating table 1, the corresponding animal eyeball mark
This 2 3D photographic microscope 3 set, the central processing unit 4 connected with the 3D photographic microscopes 3 communication, the corresponding animal
At least three laser pulse emission devices 5 and central processing that Eyeball exemplar 2 sets and connected with the central processing unit 4 communication
The mixed reality display terminal 6 of the communication connection of device 4 and the operation tool 7 with the central processing unit 4 communication connection.
Wherein, the operation tool 7 includes：Deformation class operation tool and non-deformation class operation tool, in each non-shape
Become on class operation tool and be equipped with laser pulse detector 72 and equal with the laser pulse detector 72 and central processing unit 4
The communication module 73 of connection is communicated, laser pulse detector 72 is equipped with each deformation class operation tool, is swashed with described
Light pulse detector 72 and central processing unit 4 communicate the communication module 73 of connection and positioned at the deformation class operation tools
Deformation position and the posture seizure sensor 71 connected with the communication module 73 communication.
For example, as shown in Figures 2 and 3, the non-deformation class operation tool can include：Scalpel 703, described
Scalpel 703 is equipped with laser pulse detector 72 and is communicated with the laser pulse detector 72 and central processing unit 4
The communication module 73 of connection.The deformation class operation tool can include：Surgical glove 701 and surgical scissors 702, in the hand
The back of the hand position of art gloves 701 is equipped with laser pulse detector 72, equal with the laser pulse detector 72 and central processing unit 4
The communication module 73 of connection is communicated, the position between described each articulations digitorum manus of surgical glove 701 and two fingers is equipped with one
A posture catches sensor 71, and multiple attitude transducers 71 on same finger are connected in series；In the surgical scissors 702
Center be equipped with laser pulse detector 72, communicate connection with the laser pulse detector 72 and central processing unit 4
Communication module 73, be equipped with posture in the rendezvous position of two blades of the surgical scissors 702 and catch sensor 71.
Specifically, the 3D photographic microscopes 3, for shooting the front graphics of animal eyeball sample 2 in surgical procedure
Picture, and it is transmitted to central processing unit 4；
The laser pulse emission device 5, for producing and sending laser pulse signal；The laser pulse detector 72,
The laser pulse signal sent for detecting and receiving each laser pulse emission device 5, obtains location data；
The communication module 73, for the location data of operation tool 7 to be transferred to central processing unit 4；The centre
Device 4 is managed, for providing the corresponding tutorial message being pre-stored in central processing unit 4 according to the process of operation, and according to the hand
The location data of art instrument 7, draws the positional information of the operation tool 7, and by the positional information of operation tool 7 and default
Standard location information is compared in real time, corrects information to out position, and tutorial message and position are corrected information and are added to
On the front 3-D view that 3D photographic microscopes 3 gather, produce mixed reality picture signal and be sent to mixed reality display eventually
End 6；
The mixed reality display terminal 6, for carrying out 3D display, start-up according to the mixed reality picture signal
The image shown according to the mixed reality display terminal 6 carries out ophthalmologic operation training.
Preferably, the communication module 73 is wireless communication module, and the utility model is not limited thereto, the communication
Module 73 can also be wire communication module under some necessary occasions.
Specifically, the quantity of the laser pulse emission device 5 is three and what three laser pulse emission devices 5 were sent swashs
The frequency of light pulse signal is different, and during implementation, three laser pulse emission devices 5 are uniformly distributed in the 3D photographic microscopes
On the outer circumferential surface of 3 camera lens, two adjacent laser pulse emission devices 5 are spaced 120 °, during work, three laser pulse emissions
Device 5 continuously sends out pulse signal, when the laser pulse detector 72 being fixed on operation tool 7 detects three group pulse signals,
According to triangle polyester fibre algorithm, the locus coordinate of the operation tool where it is calculated, draws the positioning number of the operation tool
According to.
Preferably, the laser pulse detector 72 is detected with the speed more than 10 pulse/secs and receives each laser arteries and veins
The laser pulse signal that transmitter 5 is sent is rushed, so that the position per second for detecting at least 10 times operation tools 7 during surgery training
Confidence ceases, and locating speed and positioning accuracy are all very high.
In addition, when the operation tool 7 is deformation class operation tool, appearance can be also set on the deformation class operation tool
State catches sensor 71；The posture catches sensor 71, for gathering the deformation data of the deformation class operation tool；It is described
Communication module 73, is additionally operable to the deformation data of deformation class operation tool being transferred to central processing unit 4；The central processing unit 4,
The deformation data according to the deformation class operation tool is additionally operable to, draws the attitude information of the deformation class operation tool, and will
The attitude information of deformation class operation tool and default standard attitude information are compared in real time, are provided posture and are corrected information, and
Posture is corrected into information and tutorial message, position correction information are added to the front graphics that 3D photographic microscopes 3 gather together
As upper, generation mixed reality picture signal is simultaneously sent to mixed reality display terminal 6.
Specifically, it is miniature elastic resistance that the posture, which catches sensor 71, and the posture catches sensor 71 according to institute
State the deformation data of the resistance variations collection operation tool 7 of miniature elastic resistance, the miniature elastic resistance, when both ends stress
When, it can be stretched, but its volume V is remained unchanged, i.e. and V=L*S, wherein L are miniature elastic resistance length, and S is miniature elastic electricity
Cross-sectional area is hindered, according to resistance formula R=ρ L/S and Hooke's law F=K* Δ L, wherein, R is the electricity of the miniature elastic resistance
Resistance, ρ are the resistivity of miniature elastic resistance, and F is the external force size being subject to of the miniature elastic resistance, and K is the miniature bullet
The coefficient of elasticity of property resistance, Δ L is length change amount of the miniature elastic resistance before and after deformation, so as to according to miniature elastic
The change in resistance of resistance, represents the stressing conditions for the deformation position for drawing the deformation operation tool, so as to according to power
Size converses the deformation situation of deformation operation tool, for example, on surgical glove 701 finger degree of crook or surgical scissors
The distance between 702 two blades etc., so as to accordingly be modeled for different deformation operation tools, draw deformation hand
The deformation data of art instrument.
Specifically, the emulation operating table 1 copies the operating table of real ophthalmologic operation to make, so that start-up
The experience when participating in the cintest truly performed the operation is obtained,
Especially, in order to further lift the sense of reality of operation, human head model 9 is equipped with the emulation operating table 1,
During operation, animal eyeball sample 2 is put in the eye of the human head model 9, at the same with the operating table phase of real ophthalmologic operation
Together, which also is provided with foot-operated 8, passes through foot-operated 8 focal lengths that can adjust the shooting of 3D photographic microscopes 3 and position etc.
Parameter.
Preferably, as shown in Fig. 2, the 3D photographic microscopes 3 are corresponded to positioned at the surface of the animal eyeball sample 2,
To gather the front 3-D view consistent with start-up visual angle, the sense of reality of operation is lifted.
Specifically, storage unit is equipped with the central processing unit 4, the storage unit preserves the mark modeled in advance
Accurate ophthalmologic operation process, the tutorial message of each process, the standard position signal of each process and attitude information, a variety of ophthalmology
Lesion and a variety of operation accidents, are believed by the position for drawing laser pulse detector 72 and posture seizure sensor 71
Breath is compared in real time with attitude information and the standard position signal and attitude information of each process, and real time correction is to start-up
Wrong surgical action in surgical procedure.
Wherein, the ophthalmologic operation process of the standard, the tutorial message of each process, the standard procedures of each process are moved
Make, a variety of ophthalmology lesions and it is a variety of operation accident with reference to substantial amounts of expert perform the operation case formulated, guarantee perform the operation into
The accuracy of journey and the diversity of training and practicality, by adding what accident was handled in the ophthalmologic operation process of standard
Situation, start-up can obtain the experience for handling a variety of operation accidents, so as to reach more preferable result of training.By swashing
Light pulse detector 72 and posture catch the application of sensor 71 so that start-up is able to know that the surgical procedure action of oneself
It is whether consistent with standard operation.
In addition, the voice module with the communication connection of central processing unit 4 can also be set, with training process in the system
In, tutorial message, position correction information and posture are reported for start-up by real-time voice module and correct information, so as to
To accelerate to train speed, training quality is lifted.
Specifically, the mixed reality display terminal 6 includes：Left eye display screen 61 and right eye display screen 62, the mixing
Real world images signal includes：Left-eye image signal and eye image signal, the left eye display screen 61 and right eye display screen 62 divide
Left-eye image signal and eye image signal Yong Yu not be shown, to realize 3D display.
Preferably, the left-eye image display screen 61 and eye image display screen 62 are liquid crystal on silicon (Liquid
Crystal on Silicon, LCOS) display screen, with using LCOS display screens are in bright gay color and clarity is high the characteristics of show height
The image of quality.Certainly, the left-eye image display screen 61 and eye image display screen 62 are not limited to LCOS display screens,
Such as silicon-based organic light-emitting diode (Si-OLED) display screen or micro- light emitting diode (Micro-LED) display screen can be used
Etc. other kinds of display screen.
Preferably, the animal eyeball sample 2 is pig eyeball, while surgery training authenticity is taken into account, reduces operation
The cost of training.
Specifically, the system can further include：With the remote guide mould of the central processing unit 4 communication connection
Block, the remote guide module, the image for mixed reality display terminal 6 to be shown are uploaded to high in the clouds via internet, with
The procedure of start-up can be obtained in real time beyond the clouds for the training instruction personnel of the specialty such as ophthalmologist, oculist and ophthalmology professor,
Long-range real-time instruction is carried out to it so that training process it is more various with it is flexible, lift the efficiency of surgery training.
Preferably, the animal eyeball sample 2 is pig eyeball, while surgery training authenticity is taken into account, reduces operation
The cost of training, since the utility model uses real animal eyeball sample 2, compared to using including containing various force feedbacks
The ARTIFICIAL EYELID wherein such as mechanism and artificial scalpel and the ophthalmologic operation training system of progress compare, not only substantially reduce
System cost, and closer to the feel of actual operation so that the value higher of training, trainer when being trained compared to tradition
Member's direct viewing is performed the operation by the ancillary equipment direct viewing eyeball such as simple microscope, and the utility model can ensure
On the premise of the sense of reality, tutorial message is provided to start-up also as the process of operation and correct information, lift the effect of training
Rate and quality.
Specifically, the utility model can also set History Parser Module, and start-up is recorded by History Parser Module
The process trained each time, and big data analysis is carried out to record, the training data such as difficult point and result of training are obtained, to optimize
Training scheme, accelerates training process, lifts training efficiency.
It is noted that the utility model be applicable to it is all kinds of including cornea operation and cataract operation etc.
Ophthalmologic operation, it is preferable that the training of the emergency situations being mainly used in ophthalmologic operation process of the utility model.
In conclusion the utility model provide it is a kind of based on motion-captured and mixed reality ophthalmologic operation training system
System, described gathered in real time by 3D photographic microscopes based on motion-captured and mixed reality ophthalmologic operation training system were performed the operation
The front 3-D view of animal eyeball sample in journey, by setting pulsed laser detector to position the operation on operation tool
The position of instrument, the position of the operation tool and the difference of normal place are compared by central processing unit, are corrected to out position
Information, tutorial message is provided by central processing unit according to procedure, and position correction information and tutorial message are added to
In the front 3-D view of the 3D photographic microscopes collection, shown by mixed reality display terminal, ophthalmology can be lifted
The sense of reality and telepresenc of surgery training, improve the real-time instruction effect in surgery training, shorten the ophthalmologic operation training cycle, drop
Low ophthalmologic operation training cost, lifts training quality.
The above, for those of ordinary skill in the art, can with technical solution according to the present utility model and
Technical concept makes other various corresponding changes and deformation, and all these changes and deformation should all belong to the utility model power
The protection domain that profit requires.
Claims (9)
- It is 1. a kind of based on motion-captured and mixed reality ophthalmologic operation training system, it is characterised in that including：Emulate operating table (1), the 3D that the animal eyeball sample (2) on the emulation operating table (1), the corresponding animal eyeball sample (2) are set Photographic microscope (3), central processing unit (4), the corresponding animal eyeball mark with the 3D photographic microscopes (3) communication connection At least three laser pulse emission devices (5) and central processing that this (2) set and connected with the central processing unit (4) communication The mixed reality display terminal (6) of device (4) communication connection and the operation tool with the central processing unit (4) communication connection (7)；The operation tool (7) be equipped with laser pulse detector (72) and with the laser pulse detector (72) and center Processor (4) communicates the communication module (73) of connection.
- 2. as claimed in claim 1 based on motion-captured and mixed reality ophthalmologic operation training system, it is characterised in that institute Stating operation tool (7) includes：Deformation class operation tool and non-deformation class operation tool, in the shape of each deformation class operation tool Become position and be additionally provided with posture seizure sensor (71), the posture catches sensor (71) and connects with the communication module (73) communication Connect.
- 3. as claimed in claim 2 based on motion-captured and mixed reality ophthalmologic operation training system, it is characterised in that institute Stating deformation class operation tool includes：Surgical glove (701) and surgical scissors (702), the non-deformation class operation tool include：Hand Art knife (703).
- 4. as claimed in claim 2 based on motion-captured and mixed reality ophthalmologic operation training system, it is characterised in that institute It is miniature elastic resistance to state posture and catch sensor (71).
- 5. as claimed in claim 1 based on motion-captured and mixed reality ophthalmologic operation training system, it is characterised in that institute It is wireless communication module to state communication module (73).
- 6. as claimed in claim 1 based on motion-captured and mixed reality ophthalmologic operation training system, it is characterised in that institute The laser pulse signal that the quantity for stating laser pulse emission device (5) is three and three laser pulse emission devices (5) send Frequency is different.
- 7. as claimed in claim 6 based on motion-captured and mixed reality ophthalmologic operation training system, it is characterised in that institute On the outer circumferential surface for stating the camera lens that three laser pulse emission devices (5) are uniformly distributed in the 3D photographic microscopes (3).
- 8. as claimed in claim 1 based on motion-captured and mixed reality ophthalmologic operation training system, it is characterised in that institute Stating mixed reality display terminal (6) includes：Left eye display screen (61) and right eye display screen (62).
- 9. as claimed in claim 8 based on motion-captured and mixed reality ophthalmologic operation training system, it is characterised in that institute It is silicon-based liquid crystal display screen, silicon-based organic light-emitting diode to state left-eye image display screen (41) and eye image display screen (42) Display screen or micro- light emitting diode (LED) display screen.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113963609A (en) * | 2021-09-23 | 2022-01-21 | 四川大学 | Neurosurgery operation simulation operation model based on VR technique |
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2017
- 2017-12-28 CN CN201721887713.XU patent/CN207264655U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113963609A (en) * | 2021-09-23 | 2022-01-21 | 四川大学 | Neurosurgery operation simulation operation model based on VR technique |
| CN113963609B (en) * | 2021-09-23 | 2022-11-15 | 四川大学 | Neurosurgery operation simulation operation model based on VR technique |
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