CN110415593B - Neurosurgery operation simulation operation model based on VR technique - Google Patents
Neurosurgery operation simulation operation model based on VR technique Download PDFInfo
- Publication number
- CN110415593B CN110415593B CN201910621426.1A CN201910621426A CN110415593B CN 110415593 B CN110415593 B CN 110415593B CN 201910621426 A CN201910621426 A CN 201910621426A CN 110415593 B CN110415593 B CN 110415593B
- Authority
- CN
- China
- Prior art keywords
- brain
- pressure sensor
- plate
- hinged plate
- color box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Medicinal Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Algebra (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medical Informatics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Business, Economics & Management (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to a neurosurgery operation simulation operation model based on a VR technology; the skull bone pressure plate comprises an operation table, a skull cavity simulating a human skull structure, a brain tissue model simulating a human brain structure, a brain pressure plate and a display screen based on VR imaging, wherein a support arm is fixedly connected to the outer surface of the skull cavity, a support claw is fixedly connected to the top of the support arm, a hollow groove is formed in the inner side of the support claw, and a first pressure sensor is mounted at the top of the inner side of the hollow groove; according to the invention, through arranging the hinged plate and the first pressure sensor, when the brain pressing plate is held downwards by a hand, the speed of the person holding the brain pressing plate downwards is too high in the process from the start of rotation of the hinged plate to the extrusion of the first pressure sensor, if the time is too short, the speed is displayed through the display screen, the person can be conveniently guided to correct the brain pressing plate in time, the teaching effect is improved, and after the arm is lifted, the supporting spring is restored, and the hinged plate is pushed back to the original position.
Description
Technical Field
The invention belongs to the technical field of medical instruments, and particularly relates to a neurosurgery operation simulation operation model based on a VR (virtual reality) technology.
Background
Brain tissue traction is the basic technique of neurosurgery. In order to obtain an effective operation space without damaging brain tissues, proper standards are required for the placement position of the brain compression plate, the direction of the plate head and the pulling force. However, an inexperienced neurosurgeon needs to know how to use the brain compression plate in the correct manner if the technique needs to be mastered. The brain tissue is printed out by the existing 3D printing technology to carry out teaching simulation, so that the brain tissue becomes the first choice of all medical institutions.
Some technical solutions of operation simulation operation models also appear in the prior art, for example, a chinese patent with application number CN105185214B discloses a neurosurgical operation training or preoperative simulation operation model device, which can perform non-living body training on neurosurgical physicians, and also perform simulation operation on an operation before performing the operation, thereby reducing the risk of the operation.
Although this technical scheme can carry out analog operation, some users after training many times, its arm produce tired back, and the speed is very fast when holding the brain clamp plate and move down easily, and current operation analog operation model can't detect the user of permanent training, for this reason, proposes a neurosurgery analog operation model based on VR technique, can detect the speed when holding the brain clamp plate and push down, has improved the effect of training.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a neurosurgery operation simulation operation model based on VR technology, which mainly detects the speed of a handheld brain pressing plate moving downwards through a hinged plate and a first pressure sensor so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a neurosurgery simulation operation model based on VR technology comprises an operation table, a skull cavity simulating a human skull structure, a brain tissue model simulating a human brain structure, a brain pressing plate and a display screen based on VR imaging, wherein a supporting arm is fixedly connected to the outer surface of the skull cavity, a supporting claw is fixedly connected to the top of the supporting arm, a hollow groove is formed in the inner side of the supporting claw, a first pressure sensor is installed at the top of the inner side of the hollow groove, a hinged plate is arranged at the bottom of the first pressure sensor, the hinged plate is hinged to the supporting claw, and a supporting spring is fixedly connected to the bottom of the hinged plate; the during operation, come to press the training to brain tissue model through handheld brain clamp plate, the image that will press the department passes through VR technical imaging on the display screen, can be through wearing the formation of image on the VR glasses to study the use of brain clamp plate when making things convenient for the people to be many, handheld brain clamp plate is when downwards, can extrude the articulated slab tip, make the one end that two articulated slabs are close to move down, the articulated slab other end can upwards rotate round the pin joint, and extrude first pressure sensor, begin to rotate to first pressure sensor by the extruded in-process from the articulated slab, if the time is short, the speed when explaining that personnel handheld brain clamp plate moves down is too fast, can in time show through the display screen, make things convenient for the guide personnel in time to correct it, the effect of teaching has been improved, after lifting on the arm, supporting spring recovers, push back the articulated slab.
Preferably, the bottom end of the upper surface of the supporting claw is provided with an auxiliary pressure sensor, and the top of the empty groove is provided with a liquid spraying gun; when the finger-pressing plate is held by the arm to move downwards to extrude one end of the hinged plate to the lowest point, the brain pressing plate is shown to be very close to the simulated focus position, when the brain tissue model is slightly stirred by the brain pressing plate, the brain pressing plate needs to be driven to slightly stir by the wrist, at the moment, when the palm is driven to slightly press downwards by the wrist, the related muscle can be driven to be in a convex state to press the auxiliary pressure sensor, and after the auxiliary pressure sensor senses that the pressure changes greatly, a small amount of liquid can be sprayed to the arm through the liquid spraying gun to remind a user in time, so that the training effect is improved.
Preferably, the bottom of the hinged plate is fixedly connected with a button switch, the top of the liquid spraying gun is provided with a first color box, one side of the first color box is provided with a second color box, and the outlets of the first color box and the second color box are provided with electromagnetic valves; when the articulated slab moves down at the excessive speed, when first pressure sensor detects pressure variation fast, give the solenoid valve of first color tank bottom portion with the signal of telecommunication, liquid in the first color tank enters into the hydrojet rifle, spout liquid on the arm, after button switch contacted support claw surface, control first pressure sensor and close, when supplementary pressure sensor detected the dynamics that the wrist pushed down great simultaneously, can give the solenoid valve of second color tank bottom portion with the signal of telecommunication, make it open, the liquid of another kind of colour in the second color tank can enter into the hydrojet rifle, the hydrojet rifle sprays liquid on the arm, which operation flow that can more audio-visual demonstration is not normal, the effect of teaching has further been improved.
Preferably, the liquid spraying gun is connected with an electric push rod, and ice blocks are arranged in the liquid spraying gun at positions corresponding to the second color box; when button switch was pressed, it reachd appointed position to show the arm, when pressing the brain clamp plate through the wrist this moment, need more timely correct the user, and at this moment, electric putter promotes the hydrojet rifle nearer from the arm, and the hydrojet is shorter in the time on the arm in hand, and through the cooling of ice-cube simultaneously, the user can be faster experience on liquid contacts the skin, can in time adjust the functioning speed of wrist, has improved the effect of training.
Preferably, the hinged plate is of a two-section type, and the two sections are connected through a rubber pad; when the hinged plate is pressed downwards, the two conditions that the button switch is extruded on the surface of the supporting claw and one end of the hinged plate is extruded on the surface of the first pressure sensor are met at the same time, normal work can be realized, however, the hinged plate needs to be tightly attached to the first pressure sensor in order to enable the button switch to be completely extruded, and due to the action of the rubber pad in the middle of the hinged plate, the hinged plate can be bent at the rubber pad to weaken the extrusion on the first pressure sensor, so that the first pressure sensor is protected.
Preferably, a notch is formed in the middle of the rubber pad, and the notch is horizontally arranged; after the use is accomplished, can block the brain clamp plate card on two openings, prevent losing of brain clamp plate, can make things convenient for the deformation of rubber pad simultaneously.
The invention has the technical effects and advantages that:
1. according to the neurosurgery operation simulation operation model based on the VR technology, the hinged plate and the first pressure sensor are arranged, when the brain pressing plate is held downwards, the speed of the person holding the brain pressing plate downwards is too high in the process from the rotation of the hinged plate to the extrusion of the first pressure sensor, if the time is too short, the speed of the person holding the brain pressing plate downwards is displayed through the display screen in time, the person can be conveniently guided to correct the brain pressing plate in time, the teaching effect is improved, and after the arm is lifted, the supporting spring is restored to push the hinged plate back to the original position.
2. According to the neurosurgery operation simulation operation model based on the VR technology, the auxiliary pressure sensor and the liquid spraying gun are arranged, when the wrist part drives the palm to slightly press down, the relevant muscles can be driven to be in a protruding state, the auxiliary pressure sensor is pressed, after the auxiliary pressure sensor senses that the pressure changes greatly, a small amount of liquid is sprayed to the arm through the liquid spraying gun, a user is reminded in time, and the training effect is improved.
3. According to the neurosurgery operation simulation operation model based on the VR technology, the first color box and the second color box are arranged, liquid in the first color box enters the liquid spraying gun, the liquid is sprayed onto the arm, the arm is marked when moving downwards, liquid in the second color box can enter the liquid spraying gun, the liquid is sprayed onto the arm by the liquid spraying gun, the wrist is marked when moving fast, which operation process is not standard can be displayed more intuitively, and the teaching effect is further improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side cross-sectional view of a support jaw of the present invention;
FIG. 3 is a schematic view of the construction of the spray gun of the present invention;
in the figure: the instrument comprises an operating table 1, a skull cavity 2, a brain tissue model 3, a brain pressing plate 4, a display screen 5, a supporting arm 6, a supporting claw 7, a hollow groove 8, a first pressure sensor 9, a hinged plate 10, a supporting spring 11, an auxiliary pressure sensor 12, a liquid spraying gun 13, a button switch 14, a first color box 15, a second color box 16, an electric push rod 17, a rubber pad 18 and a notch 19.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-3, the neurosurgery simulation operation model based on VR technology comprises an operation table 1, a skull cavity 2 for simulating a human skull structure, a brain tissue model 3 for simulating a human brain structure, a brain compression plate 4 and a display screen 5 based on VR imaging, wherein the outer surface of the skull cavity 2 is fixedly connected with a support arm 6, the top of the support arm 6 is fixedly connected with a support claw 7, a hollow groove 8 is formed in the inner side of the support claw 7, a first pressure sensor 9 is mounted at the top of the inner side of the hollow groove 8, a hinged plate 10 is arranged at the bottom of the first pressure sensor 9, the hinged plate 10 is hinged with the support claw 7, and a support spring 11 is fixedly connected at the bottom of the hinged plate 10; when the brain pressing plate device works, the brain tissue model 3 is pressed and trained by holding the brain pressing plate 4, images of the pressed part are imaged on the display screen 5 through VR technology, so that people can conveniently learn to use the brain pressing plate 4 by watching the images on the display screen 5 through wearing VR glasses, when the brain pressing plate 4 is held downwards, the end part of the hinged plate 10 can be pressed, one end of the two hinged plates 10 close to each other moves downwards, the other end of the hinged plate 10 rotates upwards around a hinged point, and the first pressure sensor 9 is pressed, during the period from the start of the rotation of the hinge plate 10 to the pressing of the first pressure sensor 9, if the time is too short, the speed of the staff for explaining that the brain pressing plate 4 is held by hands to move downwards is too high, the speed can be displayed through the display screen 5 in time, the staff can correct the brain pressing plate in time, the teaching effect is improved, and after the arm is lifted, the supporting spring 11 is restored to push the hinged plate 10 back to the original position.
An auxiliary pressure sensor 12 is arranged at the bottommost end of the upper surface of the supporting claw 7, and a liquid spraying gun 13 is arranged at the top of the empty groove 8; when the finger-pressing plate is held by the arm to move downwards to extrude one end of the hinged plate 10 to the lowest point, the brain pressing plate 4 is indicated to be very close to the simulated focus position, when the brain tissue model 3 is slightly stirred through the brain pressing plate 4, the brain pressing plate 4 needs to be driven to slightly stir through the wrist part, at the moment, when the palm is driven to slightly press downwards by the wrist part, the related muscle can be driven to be in a convex state to press the auxiliary pressure sensor 12, after the auxiliary pressure sensor 12 senses that the pressure changes greatly, a small amount of liquid can be sprayed out to the arm through the liquid spraying gun 13, the user can be timely reminded, and the training effect is improved.
The bottom of the hinged plate 10 is fixedly connected with a button switch 14, the top of the liquid spraying gun 13 is provided with a first color box 15, one side of the first color box 15 is provided with a second color box 16, and the outlets of the first color box 15 and the second color box 16 are provided with electromagnetic valves; when the hinged plate 10 moves downwards too fast, when the first pressure sensor 9 detects pressure change fast, an electric signal is transmitted to the electromagnetic valve at the bottom of the first color box 15, liquid in the first color box 15 enters the liquid spraying gun 13 and is sprayed onto an arm, after the button switch 14 contacts the surface of the supporting claw 7, the first pressure sensor 9 is controlled to be closed, meanwhile, when the auxiliary pressure sensor 12 detects that the force for pressing the wrist is large, the electric signal can be transmitted to the electromagnetic valve at the bottom of the second color box 16 to be opened, liquid in another color in the second color box 16 can enter the liquid spraying gun 13, and the liquid spraying gun 13 sprays the liquid onto the arm, so that the operation process which is not standard can be displayed more intuitively, and the teaching effect is further improved.
An electric push rod 17 is connected to the liquid spraying gun 13, and ice blocks are arranged in the liquid spraying gun 13 at positions corresponding to the second color box 16; when button switch 14 was pressed, it reachd appointed position to show the arm, when pressing brain clamp plate 4 through the wrist this moment, need more timely correct the user, and at this moment, electric putter 17 promotes liquid spray gun 13 and leaves the arm nearer, and the hydrojet is shorter in the time on the arm in hand, and through the cooling of ice-cube simultaneously, the user can be faster feel on liquid contacts the skin, can in time adjust the activity speed of wrist, has improved the effect of training.
The hinged plate 10 is in a two-section type, and the two sections are connected through a rubber pad 18; when the hinged plate 10 is pressed down, the two conditions that the button switch 14 is pressed on the surface of the supporting claw 7 and one end of the hinged plate 10 is pressed on the surface of the first pressure sensor 9 are met at the same time, normal work can be realized, however, in order to enable the button switch 14 to be completely pressed, the hinged plate 10 is required to be tightly attached to the first pressure sensor 9, due to the action of the rubber pad 18 in the middle of the hinged plate 10, when the button switch 14 is completely pressed, the hinged plate 10 can be bent at the rubber pad 18, the pressing on the first pressure sensor 9 is weakened, and the first pressure sensor 9 is protected.
A notch 19 is formed in the middle of the rubber pad 18, and the notch 19 is horizontally arranged; after the use is finished, the brain pressing plate 4 can be clamped on the two notches 19, the brain pressing plate 4 is prevented from being lost, and meanwhile, the rubber pad 18 can be conveniently deformed.
When the brain tissue model 3 is in work, the brain tissue model 3 is pressed and trained through holding the brain pressing plate 4 by hand, images at the pressed part are imaged on the display screen 5 through VR technology, so that people can conveniently learn to use the brain pressing plate 4 by watching the images on the display screen 5 through wearing VR glasses when more people are in use, when the brain pressing plate 4 is held by hand downwards, the end part of the hinged plate 10 can be extruded, one end, close to the two hinged plates 10, downwards moves, the other end of the hinged plate 10 upwards rotates around a hinged point and extrudes the first pressure sensor 9, in the process that the hinged plate 10 starts to rotate to extrude the first pressure sensor 9, if the time is too short, the speed when the brain pressing plate 4 is held by hand by a person to downwards move is too high, the brain pressing plate can be displayed through the display screen 5 in time, so that the person can conveniently correct the brain tissue model in time, the teaching effect is improved, meanwhile, liquid in the first, liquid is sprayed on the arm, when the finger pressing plate is held by the arm to move downwards to press one end of the hinged plate 10 to the lowest point, the brain pressing plate 4 is close to the simulated focus position, when the brain tissue model 3 is slightly stirred by the brain pressing plate 4, the brain pressing plate 4 needs to be slightly stirred by the wrist part, at the moment, when the palm is slightly pressed by the wrist part, the related muscle is driven to be in a convex state to press the auxiliary pressure sensor 12, after the auxiliary pressure sensor 12 senses that the pressure change is large, when the auxiliary pressure sensor 12 detects that the strength of the wrist pressing is large, an electric signal can be transmitted to the electromagnetic valve at the bottom of the second color box 16 to open the electromagnetic valve, liquid of another color in the second color box 16 can enter the liquid spraying gun 13, the liquid spraying gun 13 sprays the liquid on the arm, and the operation process which is not standard can be more intuitively displayed, and remind the user in time, improved the effect of training, after lifting the arm, supporting spring 11 recovers, pushes articulated slab 10 back to the normal position.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides a neurosurgery simulation operation model based on VR technique, includes operation panel (1), skull cavity (2) of simulation human skull structure, brain tissue model (3) of simulation human brain structure, brain clamp plate (4) and display screen (5) based on VR formation of image, its characterized in that: the outer surface of the skull cavity (2) is fixedly connected with a supporting arm (6), the top of the supporting arm (6) is fixedly connected with a supporting claw (7), the inner side of the supporting claw (7) is provided with a hollow groove (8), the top of the inner side of the hollow groove (8) is provided with a first pressure sensor (9), the bottom of the first pressure sensor (9) is provided with a hinged plate (10), the hinged plate (10) is hinged with the supporting claw (7), and the bottom of the hinged plate (10) is fixedly connected with a supporting spring (11);
an auxiliary pressure sensor (12) is arranged at the bottommost end of the upper surface of the supporting claw (7), and a liquid spraying gun (13) is arranged at the top of the empty groove (8);
the bottom of the hinged plate (10) is fixedly connected with a button switch (14), the top of the liquid spraying gun (13) is provided with a first color box (15), one side of the first color box (15) is provided with a second color box (16), and the outlets of the first color box (15) and the second color box (16) are provided with electromagnetic valves;
an electric push rod (17) is connected to the liquid spraying gun (13), and ice blocks are arranged in the liquid spraying gun (13) at positions corresponding to the second color box (16);
the hinged plate (10) is of a two-section type, and the two sections are connected through a rubber pad (18);
the middle part of the rubber pad (18) is provided with a notch (19), and the notch (19) is horizontally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621426.1A CN110415593B (en) | 2019-07-10 | 2019-07-10 | Neurosurgery operation simulation operation model based on VR technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621426.1A CN110415593B (en) | 2019-07-10 | 2019-07-10 | Neurosurgery operation simulation operation model based on VR technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110415593A CN110415593A (en) | 2019-11-05 |
| CN110415593B true CN110415593B (en) | 2021-05-04 |
Family
ID=68360965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910621426.1A Active CN110415593B (en) | 2019-07-10 | 2019-07-10 | Neurosurgery operation simulation operation model based on VR technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110415593B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113223387A (en) * | 2021-03-31 | 2021-08-06 | 苗磊 | Neurosurgery operation simulation operation model based on VR technique |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200939880Y (en) * | 2006-06-12 | 2007-08-29 | 长沙普雷科机电技术有限公司 | Redal braking device |
| JP4448153B2 (en) * | 2007-03-27 | 2010-04-07 | 村中医療器株式会社 | Neurosurgical training device, brain model used in this device, and model subject |
| CN103462606A (en) * | 2013-09-09 | 2013-12-25 | 深圳先进技术研究院 | Imaging method and system applied to neurosurgery |
| CN103680058A (en) * | 2013-12-09 | 2014-03-26 | 灏泷智能科技（上海）有限公司 | Fatigue driving monitoring and warning system |
| CN104952344A (en) * | 2015-06-18 | 2015-09-30 | 青岛大学附属医院 | Neurosurgery virtual operation training system |
| CN105185214A (en) * | 2015-11-02 | 2015-12-23 | 郑佳平 | Neurosurgical operation training or preoperative simulation operation model device |
| CN205122062U (en) * | 2015-11-02 | 2016-03-30 | 郑佳平 | Analog operation model device before neurosurgery training or art |
-
2019
- 2019-07-10 CN CN201910621426.1A patent/CN110415593B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200939880Y (en) * | 2006-06-12 | 2007-08-29 | 长沙普雷科机电技术有限公司 | Redal braking device |
| JP4448153B2 (en) * | 2007-03-27 | 2010-04-07 | 村中医療器株式会社 | Neurosurgical training device, brain model used in this device, and model subject |
| CN103462606A (en) * | 2013-09-09 | 2013-12-25 | 深圳先进技术研究院 | Imaging method and system applied to neurosurgery |
| CN103680058A (en) * | 2013-12-09 | 2014-03-26 | 灏泷智能科技（上海）有限公司 | Fatigue driving monitoring and warning system |
| CN104952344A (en) * | 2015-06-18 | 2015-09-30 | 青岛大学附属医院 | Neurosurgery virtual operation training system |
| CN105185214A (en) * | 2015-11-02 | 2015-12-23 | 郑佳平 | Neurosurgical operation training or preoperative simulation operation model device |
| CN205122062U (en) * | 2015-11-02 | 2016-03-30 | 郑佳平 | Analog operation model device before neurosurgery training or art |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110415593A (en) | 2019-11-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108785033B (en) | Massage manipulator, mechanical massage assembly and human body positioning method | |
| CN111631726A (en) | Upper limb function evaluation device and method and upper limb rehabilitation training system and method | |
| CN110415593B (en) | Neurosurgery operation simulation operation model based on VR technique | |
| CN111627308B (en) | Interactive virtual simulation exercise model and method for intelligent obstetrical examination | |
| CN204636922U (en) | Comprehensive therapeutical instrument for amblyopia | |
| CN105615444A (en) | Pillow simulation equipment and method for accurately customizing pillow | |
| US20040191740A1 (en) | Visual aid for using contact lenses | |
| CN111514001A (en) | Full-automatic intelligent scraping device and working method thereof | |
| CN103871306A (en) | Teaching model for labor observation skill training and operation method of teaching model for labor observation skill training | |
| CN112652221B (en) | Neurosurgery brain operation typical case training device | |
| CN206134072U (en) | Dental teaching mode | |
| CN201477780U (en) | Emulational ocular fundus teaching system | |
| CN210472914U (en) | Hand-eye coordination rehabilitation training instrument for dementia patients | |
| CN211484616U (en) | Psychological consultation diagnosis device based on VR technology | |
| CN114255637B (en) | Fingerprint observation simulation system | |
| CN206301505U (en) | The removable cornea intelligent operation training system that AR and VR are combined | |
| CN110534199A (en) | A kind of psychosomatic training effect evaluation method | |
| CN206138656U (en) | Daily life capability training device | |
| CN219267127U (en) | Visual self-service nucleic acid sampling trainer | |
| CN110448453A (en) | A kind of smart machine and its method for facial point massage | |
| WO2022089372A1 (en) | Massage device-based kegel training method | |
| CN202632617U (en) | Puncture needle for teaching | |
| CN202443681U (en) | Neck layered dissection training model | |
| CN108553838B (en) | Physical exercise teaching device | |
| CN216211820U (en) | Teaching device for simulating neurovascular |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |