CN110101451B

CN110101451B - VR simulation traction device for neurosurgery

Info

Publication number: CN110101451B
Application number: CN201910380053.3A
Authority: CN
Inventors: 解涛; 张卓群; 解岗
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-04-14
Anticipated expiration: 2039-05-08
Also published as: CN110101451A

Abstract

The invention belongs to the technical field of medical equipment, and particularly relates to a VR (virtual reality) simulation traction device for neurosurgery, which comprises a probe rod, wherein the probe rod is made of a titanium alloy material, and the head of the probe rod is provided with a 360-degree panoramic camera; a group of strong light lamps are uniformly distributed on the outer ring of the camera in the circumferential direction; the camera is electrically connected with external VR glasses, and a signal output by the camera is processed by the VR glasses to generate a simulated intracranial operation environment; the middle part of the probe rod is provided with a crushing unit, and the crushing unit comprises a mandrel, a driving motor, a sliding ring, a first connecting rod, a second connecting rod, a crushing claw and a piston; the device has a simple structure, the VR glasses are used for receiving data transmitted by the 360-degree panoramic camera and then processing the data to generate a simulated intracranial operation environment, the advancing route of the probe rod is corrected in real time, and when the probe rod reaches a preset position, the crushing unit is used for crushing blood clots around intracranial nerves and then cleaning the blood clots.

Description

VR simulation traction device for neurosurgery

Technical Field

The invention belongs to the technical field of medical equipment, and particularly relates to a VR (virtual reality) simulation traction device for neurosurgery.

Background

VR (virtual reality) technology is a computer simulation system capable of creating and experiencing a virtual world, which utilizes a computer to generate a simulation environment, and is a system simulation of multi-source information fusion, interactive three-dimensional dynamic vision and entity behaviors, so that a user is immersed in the environment.

Cerebral hemorrhage refers to hemorrhage caused by rupture of blood vessels in non-traumatic brain parenchyma, and accounts for 20% -30% of all cerebral apoplexy, and the death rate in acute stage is 30% -40%. The reasons for the occurrence are mainly related to the pathological changes of cerebral vessels, patients with cerebral hemorrhage often suffer from sudden morbidity due to emotional agitation and strenuous exertion, the early mortality rate is high, blood enters cerebral cortex after cerebral vessels rupture and is coagulated after silting, cerebral cortex and cerebral nerves are seriously pressed, and different degrees of sequelae such as dyskinesia, cognitive disorder, speech dysphagia and the like are caused.

In the prior art, a craniotomy is adopted to rescue a patient with severe cerebral hemorrhage, the wound is extremely large, in order to accurately find the position of a blood clot in the operation process, an operation clamp is often required to pull to expose the operation visual field, the operation is smoothly completed, and the operation clamp also has certain damage to cerebral cortex.

Disclosure of Invention

In order to make up the defects of the prior art and solve the problems that a craniotomy of a patient with severe cerebral hemorrhage has extremely large wound and an operating forceps damages the cerebral cortex, the invention provides the VR simulation traction device for the neurosurgery.

The technical scheme adopted by the invention for solving the technical problems is as follows: the VR simulation traction device for neurosurgery comprises a probe rod, wherein the probe rod is made of titanium alloy materials, the head of the probe rod is a conical surface, a 360-degree panoramic camera is arranged at the top of the conical surface, and the camera is used for checking the position of intracranial hemorrhage; a group of strong light lamps is uniformly distributed on the outer ring of the camera in the circumferential direction; the camera is electrically connected with external VR glasses, and a signal output by the camera is processed by the VR glasses to generate a simulated intracranial operation environment; the middle part of the probe rod is provided with a crushing unit which is used for crushing blood clots deposited around intracranial nerves, and VR glasses can monitor the working state of the crushing unit in real time when the crushing unit works; the probe rod made of titanium alloy has good compatibility with a human body, reduces rejection reaction, and reduces the damage of the probe rod to a fragile cerebral cortex; when an intracranial nerve peripheral blood clot cleaning operation is carried out, a probe rod is inserted into the cranium from a pre-drilled drill hole of the cranium, the cranium is advanced according to a route which is set according to an image generated by preoperative nuclear magnetic resonance examination, meanwhile, a highlight lamp illuminates intracranial tissues, VR glasses receive data transmitted by a 360-degree panoramic camera and then process the data to generate a simulated intracranial operation environment, the advancing route of the probe rod is corrected in real time, and a probe is prevented from damaging other intracranial healthy tissues; the physiological saline sprayed from the head of the probe rod washes a small amount of bleeding generated when the probe rod passes through the cranium, so that the camera can obtain a clear and accurate visual field, the accuracy of the VR glasses for generating a simulated operation environment is improved, and the operation risk is reduced; when the VR glasses observe that the probe rod reaches a preset position, the probe rod stops moving, and the breaking unit breaks blood clots around intracranial nerves and then cleans the blood clots.

Preferably, the crushing unit comprises a mandrel, a driving motor, a sliding ring, a first connecting rod, a second connecting rod, a crushing claw and a piston; a mandrel is arranged in the middle of the probe rod, a driving motor is sleeved at one end of the mandrel, which is far away from the head of the probe rod, the driving motor can rotate on the mandrel, and the shell of the driving motor is made of a titanium alloy material; a slip ring is fixedly connected to one side of the driving motor, which is close to the head of the probe rod, and the slip ring is connected with the mandrel in a sliding manner; one side of the slip ring, which is far away from the driving motor, is circumferentially and uniformly provided with a group of crushing claws, and one side of each crushing claw, which is close to the slip ring, is connected with the slip ring through a first connecting rod; the first connecting rod is hinged with the crushing claw and the first sliding ring respectively; a group of pistons are arranged in the slip ring, a second connecting rod is arranged between the pistons and the crushing claw, and the second connecting rod is respectively hinged with the crushing claw and the pistons; the mandrel, the slip ring, the first connecting rod, the second connecting rod, the crushing claw and the piston are all made of titanium alloy; the sliding ring, the driving motor, the first connecting rod, the second connecting rod, the crushing claw and the piston are matched, so that when the probe rod reaches blood clots deposited around intracranial nerves, the driving motor drives the crushing claw to rotate to crush the blood clots; after the probe rod reaches a preset operation position, the piston is pushed outwards, the crushing claw is opened through the matching of the first connecting rod and the second connecting rod, and the driving motor drives the crushing claw to rotate through the matching of the sliding ring, the first connecting rod and the second connecting rod so as to crush and clean deposited blood clots; the camera of 360 panorama gathers operation position videos in real time, produces the simulation operation environment after VR glasses are handled, according to operation process adjustment driving motor's the rotational speed and the position of probe rod, guarantees that the operation goes on fast smoothly, shortens the operation time, and then reduces the side effect and the probability of postoperative inflammation that brain benefit anesthesia brought.

Preferably, the crushing claw comprises a barrel, a packing auger, a micro motor and a suction pipe; the drum and the packing auger are both made of titanium alloy; an opening is formed in one side, close to the head of the probe rod, of the barrel, a micro motor is arranged in the position, close to the bottom, of the barrel, and the shell of the micro motor is made of a titanium alloy material; the micro motor is fixedly connected to the inner wall of the barrel through a bracket, and the bracket does not influence the flow of the broken blood clots; one side of the micro motor close to the opening of the drum is provided with a packing auger which is fixedly connected with an output shaft of the micro motor, and the packing auger can grind blood clots; the bottom of the barrel is communicated with a straw which sucks the broken blood clot out of the body; when the round opening is contacted with blood clots near intracranial nerves, the suction tube slightly pumps air to form slight negative pressure in the barrel, the blood clots contacted with the barrel are sucked by the barrel under the action of the negative pressure, the micro motor drives the auger to rotate to rub the blood clots, and the rubbed blood clots are drained out of the body through the suction tube; when the VR glasses observe that the crushing unit is too close to the nerve bundles through the camera and the crushing unit risks damaging the nerve bundles, the position of the crushing unit is adjusted through the probe rod controller, and the deposited blood clots are continuously crushed and cleaned after the nerve bundles are avoided; the blood clots are continuously sucked into the drum and are crushed by the auger, and finally, the blood clots are discharged out of the body after being completely crushed, so that the compression of the blood clots on the brain nerves is eliminated, and the patient is recovered to a healthy state;

preferably, an expansion ring is arranged on the probe rod between the camera and the crushing unit, and the expansion ring is made of elastic rubber; the expansion ring is expanded after being filled with normal saline, so that nerves around the blood clot are expanded, and the nerve is prevented from being damaged by the crushing unit; the volume of the expansion ring filled with the normal saline is expanded to prop open nerves, blood vessels and other healthy tissues near the blood clot so as to provide a sufficient observation visual field for the camera, and the diameter of the expanded expansion ring is larger than the rotating diameter of the crushing claw during working so as to ensure that the crushing claw can not hurt other healthy tissues; the expansion ring made of elastic rubber can not scratch cerebral cortex after being expanded, and the injury of operation to tissues such as brain is minimized.

Preferably, the inner wall of the expansion ring is provided with a micro suction pump, and the micro suction pump is used for sucking broken blood clots and further accelerating the discharge of blood clots around intracranial nerves; after the expansion ring is filled with the physiological saline to expand, the miniature suction pump is outwards opened along with the expansion ring, after the sedimentation blood clots are crushed by the crushing claws, the miniature suction pump sucks partial scattered crushed blood clots and discharges the crushed blood clots out of the body through a pipeline, the crushing and discharging speed of the blood clots around intracranial nerves is further increased, the operation time is shortened, and the influence of long-time operation on the recovery speed of a postoperative patient is avoided.

Preferably, the inner wall of the round barrel is provided with a flexible annular rubber bag, hemolytic agent is filled in the rubber bag, and the inner wall of the rubber bag is uniformly provided with a group of pores; the rubber sac releases hemolytic agent to prevent the blood clot from blocking the suction tube; the packing auger squeezes the rubber bag when mincing the clot of inhaling the cask, and the hemolytic agent in the rubber bag is extruded from the pore, and the hemolytic agent can dissolve the clot of siltation and solidification, avoids great clot to block up the straw, and the operation is forced to be suspended, inserts intracranial again after the probe rod is taken out the clearance mediation straw and continues to accomplish the operation, causes the operation time extension, increases the impaired probability of brain.

The invention has the following beneficial effects:

1. according to the VR simulation traction device for neurosurgery, the probe is inserted into the skull from a pre-drilled drill hole of the skull, VR glasses receive data transmitted by a 360-degree panoramic camera and then process the data to generate a simulated intracranial operation environment, the advancing route of the probe is corrected in real time, and other intracranial healthy tissues are prevented from being damaged by the probe; when the VR glasses observe that the probe rod reaches a preset position, the blood clots around the intracranial nerves are broken by the breaking unit and then cleaned, and huge trauma caused by craniotomy is avoided.

2. According to the VR simulation traction device for neurosurgery, after the probe rod reaches a preset operation position, the piston is pushed outwards, the crushing claw is opened through the matching of the first connecting rod and the second connecting rod, the driving motor drives the crushing claw to rotate through the matching of the sliding ring, the first connecting rod and the second connecting rod, and deposited blood clots are crushed and cleaned; VR glasses generate simulation operation environment, and according to the position of operation process adjustment driving motor's rotational speed and probe rod, guarantee that the operation goes on smoothly fast, shorten operation time, and then reduce the side effect that brain tonifying anesthesia brought and the probability of postoperative inflammation.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic diagram of the operation of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a schematic diagram of the first embodiment;

FIG. 5 is a schematic view of the second embodiment;

in the figure: probe rod 1, camera 2, crushing unit 3, dabber 4, driving motor 5, sliding ring 6, connecting rod 7, connecting rod 8, broken claw 9, piston 10, cask 11, auger 12, micro motor 13, straw 14, expansion ring 15, miniature suction pump 16, rubber bag 17.

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 to 5, the VR simulated traction device for neurosurgery comprises a probe 1, wherein the probe 1 is made of titanium alloy material, the head of the probe 1 is a conical surface, a 360-degree panoramic camera 2 is arranged at the top of the conical surface, and the camera 2 is used for viewing the position of intracranial hemorrhage; a group of strong light lamps is uniformly distributed on the outer ring of the camera 2 in the circumferential direction; the camera 2 is electrically connected with external VR glasses, and signals output by the camera 2 are processed by the VR glasses to generate a simulated intracranial operation environment; the middle part of the probe rod 1 is provided with a crushing unit 3, the crushing unit 3 is used for crushing blood clots deposited around intracranial nerves, and VR glasses can monitor the working state of the crushing unit 3 in real time when the crushing unit 3 works; the probe rod 1 made of titanium alloy has good compatibility with a human body, reduces rejection reaction, and reduces the damage of the probe rod 1 to a fragile cerebral cortex; when an intracranial nerve peripheral blood clot cleaning operation is carried out, a probe 1 is inserted into the cranium from a pre-drilled drill hole of the cranium, the cranium is advanced according to a route which is set according to an image generated by preoperative nuclear magnetic resonance examination, meanwhile, a highlight lamp illuminates intracranial tissues, VR glasses receive data transmitted by a 360-degree panoramic camera 2 and then process the data to generate a simulated intracranial operation environment, the advancing route of the probe 1 is corrected in real time, and the probe is prevented from damaging other intracranial healthy tissues; the physiological saline sprayed from the head of the probe rod 1 washes a small amount of bleeding generated when the probe rod 1 passes through the intracranial space, so that the camera 2 is ensured to obtain a clear and accurate visual field, the accuracy of generating a simulated operation environment by VR glasses is improved, and the operation risk is reduced; when the VR glasses observe that the probe rod 1 reaches a preset position, the probe rod 1 stops moving, and the crushing unit 3 is used for crushing blood clots around intracranial nerves and then cleaning the blood clots.

As an embodiment of the present invention, the crushing unit 3 includes a mandrel 4, a driving motor 5, a slip ring 6, a first connecting rod 7, a second connecting rod 8, a crushing claw 9 and a piston 10; a mandrel 4 is arranged in the middle of the probe rod 1, a driving motor 5 is sleeved at one end, far away from the head of the probe rod 1, of the mandrel 4, the driving motor 5 can rotate on the mandrel 4, and the shell of the driving motor 5 is made of a titanium alloy material; a slip ring 6 is fixedly connected to one side of the driving motor 5 close to the head of the probe rod 1, and the slip ring 6 is in sliding connection with the mandrel 4; one side of the slip ring 6, which is far away from the driving motor 5, is circumferentially and uniformly provided with a group of crushing claws 9, and one side of each crushing claw 9, which is close to the slip ring 6, is connected with the slip ring 6 through a first connecting rod 7; the first connecting rod 7 is hinged with the crushing claw 9 and the first sliding ring 6 respectively; a group of pistons 10 are arranged in the slip ring 6, a second connecting rod 8 is arranged between the pistons 10 and the crushing claw 9, and the second connecting rod 8 is hinged with the crushing claw 9 and the piston 10 respectively; the mandrel 4, the slip ring 6, the first connecting rod 7, the second connecting rod 8, the crushing claw 9 and the piston 10 are all made of titanium alloy; the sliding ring 6, the driving motor 5, the first connecting rod 7, the second connecting rod 8, the crushing claw 9 and the piston 10 are matched to be used for driving the crushing claw 9 to rotate to crush blood clots when the probe rod 1 reaches the blood clots deposited around intracranial nerves; after the probe rod 1 reaches a preset operation position, the piston 10 is pushed outwards, the crushing claw 9 is opened through the matching of the first connecting rod 7 and the second connecting rod 8, and the driving motor 5 drives the crushing claw 9 to rotate through the matching of the sliding ring 6, the first connecting rod 7 and the second connecting rod 8, so that deposited blood clots are crushed and cleaned; the camera 2 of 360 panorama gathers operation position videos in real time, produces the simulation operation environment after VR glasses are handled, according to operation process adjustment driving motor 5's the rotational speed and the position of probe rod 1, guarantees that the operation goes on fast smoothly, shortens the operation time, and then reduces the side effect and the probability of postoperative inflammation that brain benefit anesthesia brought.

As an embodiment of the invention, the crushing claw 9 comprises a barrel 11, an auger 12, a micro motor 13 and a suction pipe 14; the drum 11 and the packing auger 12 are both made of titanium alloy; an opening is formed in one side, close to the head of the probe rod 1, of the barrel 11, a micro motor 13 is arranged in the barrel 11 and close to the bottom of the barrel, and the shell of the micro motor 13 is made of a titanium alloy material; the micro motor 13 is fixedly connected to the inner wall of the barrel 11 through a bracket, and the bracket does not influence the flow of the broken blood clots; one side of the micro motor 13 close to the opening of the drum 11 is provided with an auger 12, the auger 12 is fixedly connected with an output shaft of the micro motor 13, and the auger 12 can rub blood clots; the bottom of the barrel 11 is communicated with a suction pipe 14, and the broken blood clots are sucked out of the body by the suction pipe 14; when the round opening is contacted with blood clots near intracranial nerves, the suction tube 14 sucks a small amount of air to form slight negative pressure in the barrel 11, the blood clots contacted with the barrel 11 are sucked by the barrel 11 under the action of the negative pressure, the micro motor 13 drives the auger 12 to rotate to rub the blood clots, and the rubbed blood clots are drained out of the body through the suction tube 14; when the VR glasses observe that the crushing unit 3 is too close to the nerve bundles through the camera 2 and the crushing unit 3 risks damaging the nerve bundles, the position of the crushing unit 3 is adjusted through the controller of the probe rod 1, and the deposited blood clots are continuously crushed and cleaned after the nerve bundles are avoided; the blood clots are continuously sucked into the drum 11, are crushed by the auger 12 and then are sucked away, and finally are discharged out of the body after being completely crushed, so that the oppression of the blood clots on brain nerves is eliminated, and the patient is recovered to a healthy state;

as an embodiment of the invention, an expansion ring 15 is arranged on the probe rod 1 between the camera 2 and the crushing unit 3, and the expansion ring 15 is made of elastic rubber; the expansion ring 15 is expanded after being filled with the normal saline, so that nerves around the blood clot are expanded, and the nerve is prevented from being damaged by the crushing unit 3; the expansion ring 15 filled with the normal saline expands in volume to prop open nerves, blood vessels and other healthy tissues near the blood clot so as to provide a sufficient observation visual field for the camera 2, and the diameter of the expanded expansion ring 15 is larger than the rotating diameter of the crushing claw 9 during working so as to ensure that the crushing claw 9 can not hurt other healthy tissues; the expansion ring 15 made of elastic rubber can not scratch cerebral cortex after being expanded, and the injury of operation to tissues such as brain is reduced to the minimum.

As an embodiment of the invention, the inner wall of the expansion ring 15 is provided with a micro suction pump 16, and the micro suction pump 16 is used for sucking broken blood clots and further accelerating the discharge of blood clots around intracranial nerves; after the expansion ring 15 is filled with the physiological saline and expanded, the miniature suction pump 16 is outwards opened along with the expansion ring 15, after the crushing claw 9 crushes the deposited blood clots, the miniature suction pump 16 sucks partial scattered blood clots and discharges the blood clots out of the body through a pipeline, the crushing and discharging speed of the blood clots around intracranial nerves is further increased, the operation time is shortened, and the influence of long-time operation on the recovery speed of a postoperative patient is avoided.

As an embodiment of the present invention, the inner wall of the barrel 11 is provided with a flexible annular rubber bag 17, the rubber bag 17 is filled with a hemolytic agent, and the inner wall of the rubber bag 17 is uniformly provided with a group of pores; the rubber bladder 17 releases the hemolytic agent to prevent the clot from blocking the straw 14; the packing auger 12 squeezes the rubber bag 17 when mincing the blood clot of the suction drum 11, and the hemolytic agent in the rubber bag 17 is squeezed out from the pore, and the hemolytic agent can dissolve the blood clot deposited and solidified, so that the situation that the suction pipe 14 is blocked by a large blood clot and the operation is forced to pause is avoided, and the probe rod 1 is inserted into the intracranial space again after being pulled out of the cleaning dredging suction pipe 14 to continue to complete the operation, so that the operation time is prolonged, and the probability of brain damage is increased.

When the probe rod 1 is in work, the probe rod 1 made of titanium alloy has good compatibility with a human body, rejection reaction is reduced, and the damage of the probe rod 1 to a fragile cerebral cortex is reduced; when an intracranial nerve peripheral blood clot cleaning operation is carried out, a probe 1 is inserted into the cranium from a pre-drilled drill hole of the cranium, the cranium is advanced according to a route which is set according to an image generated by preoperative nuclear magnetic resonance examination, meanwhile, a highlight lamp illuminates intracranial tissues, VR glasses receive data transmitted by a 360-degree panoramic camera 2 and then process the data to generate a simulated intracranial operation environment, the advancing route of the probe 1 is corrected in real time, and the probe is prevented from damaging other intracranial healthy tissues; the physiological saline sprayed from the head of the probe rod 1 washes a small amount of bleeding generated when the probe rod 1 passes through the intracranial space, so that the camera 2 is ensured to obtain a clear and accurate visual field, the accuracy of generating a simulated operation environment by VR glasses is improved, and the operation risk is reduced; when the fact that the probe rod 1 reaches a preset position is observed through VR glasses, the probe rod 1 stops moving, and the crushing unit 3 is used for crushing blood clots around intracranial nerves and then cleaning the blood clots; after the probe rod 1 reaches a preset operation position, the piston 10 is pushed outwards, the crushing claw 9 is opened through the matching of the first connecting rod 7 and the second connecting rod 8, and the driving motor 5 drives the crushing claw 9 to rotate through the matching of the sliding ring 6, the first connecting rod 7 and the second connecting rod 8, so that deposited blood clots are crushed and cleaned; the 360-degree panoramic camera 2 collects videos of an operation part in real time, a simulated operation environment is generated after the videos are processed by VR glasses, the rotating speed of the driving motor 5 and the position of the probe rod 1 are adjusted according to an operation process, the operation is ensured to be performed rapidly and smoothly, the operation time is shortened, and side effects and postoperative inflammation probability caused by brain-tonifying anesthesia are reduced; when the round opening is contacted with blood clots near intracranial nerves, the suction tube 14 sucks a small amount of air to form slight negative pressure in the barrel 11, the blood clots contacted with the barrel 11 are sucked by the barrel 11 under the action of the negative pressure, the micro motor 13 drives the auger 12 to rotate to rub the blood clots, and the rubbed blood clots are drained out of the body through the suction tube 14; when the VR glasses observe that the crushing unit 3 is too close to the nerve bundles through the camera 2 and the crushing unit 3 risks damaging the nerve bundles, the position of the crushing unit 3 is adjusted through the controller of the probe rod 1, and the deposited blood clots are continuously crushed and cleaned after the nerve bundles are avoided; the blood clots are continuously sucked into the drum 11, are crushed by the auger 12 and then are sucked away, and finally are discharged out of the body after being completely crushed; the expansion ring 15 filled with the normal saline expands in volume to prop open nerves, blood vessels and other healthy tissues near the blood clot so as to provide a sufficient observation visual field for the camera 2, and the diameter of the expanded expansion ring 15 is larger than the rotating diameter of the crushing claw 9 during working so as to ensure that the crushing claw 9 can not hurt other healthy tissues; the expansion ring 15 made of elastic rubber can not scratch the cerebral cortex after being expanded; after the expansion ring 15 is filled with the physiological saline and expanded, the miniature suction pump 16 is expanded outwards along with the expansion ring 15, and after the crushing claw 9 crushes the deposited blood clots, the miniature suction pump 16 sucks part of the scattered crushed blood clots and discharges the blood clots out of the body through a pipeline, so that the crushing and discharging speed of the blood clots around the intracranial nerves is further increased; the packing auger 12 squeezes the rubber bag 17 when mincing the blood clot of the suction drum 11, and the hemolytic agent in the rubber bag 17 is squeezed out from the pore, and the hemolytic agent can dissolve the blood clot deposited and solidified, so that the situation that the suction pipe 14 is blocked by a large blood clot and the operation is forced to pause is avoided, and the probe rod 1 is inserted into the intracranial space again after being pulled out of the cleaning dredging suction pipe 14 to continue to complete the operation, so that the operation time is prolonged, and the probability of brain damage is increased.

The present invention provides two embodiments for reference:

the first embodiment is as follows: referring to fig. 4, when intracranial deposited blood clots are located beside the nerve bundle, after the probe rod 1 reaches the blood clots, with the assistance of the camera 2 and VR glasses simulating an intracranial operation environment, the expansion ring 15 filled with physiological saline expands in volume to prop open nerves near the blood clots, the driving motor 5 drives the breaking claw 9 to rotate through the cooperation of the slip ring 6, the first connecting rod 7 and the second connecting rod 8, so as to break and clean the deposited blood clots, meanwhile, the micro motor 13 in the barrel 11 drives the auger 12 to rotate to break and break the blood clots sucked into the barrel 11, and the broken blood clots are drained to the outside of the body through the suction pipe 14, so that the blood clots breaking and cleaning speed is increased.

Example two: referring to fig. 5, when intracranial deposited blood clots wrap nerve bundles, after the probe rod 1 reaches the blood clot position, with the assistance of the camera 2 and VR glasses simulating an intracranial operation environment, the expansion ring 15 filled with physiological saline expands in volume to prop open nerves near the blood clot, the driving motor 5 does not work, the micro motor 13 in the drum 11 drives the packing auger 12 to rotate to grind the blood clot sucked into the drum 11, the ground blood clot is drained to the outside of the body through the suction tube 14, after the drum 11 cooperates with the micro motor 13 and the packing auger 12 to break through the blood clot, the probe rod 1 is pulled back to the initial position, the driving motor 5 is controlled by an external controller to adjust the angle of the drum 11, and then the blood clot is continuously ground and cleaned until the blood clot is cleaned; cask 11, connecting rod 7, No. two connecting rods 8 and slider irrotational, avoid haring the nerve bundle, cause irreparable result, influence the recovery of patient normal function after the operation.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

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. A VR simulated traction device for neurosurgery comprising: the probe comprises a probe rod (1), wherein the probe rod (1) is made of a titanium alloy material, the head of the probe rod (1) is a conical surface, a 360-degree panoramic camera (2) is arranged at the top of the conical surface, and the camera (2) is used for checking the position of intracranial hemorrhage; a group of strong light lamps is uniformly distributed on the outer ring of the camera (2) in the circumferential direction; the camera (2) is electrically connected with external VR glasses, and signals output by the camera (2) are processed by the VR glasses to generate a simulated intracranial operation environment; the middle part of the probe rod (1) is provided with a crushing unit (3), the crushing unit (3) is used for crushing blood clots deposited around intracranial nerves, and VR glasses can monitor the working state of the crushing unit (3) in real time when the crushing unit (3) works;

the crushing unit (3) comprises a mandrel (4), a driving motor (5), a slip ring (6), a first connecting rod (7), a second connecting rod (8), a crushing claw (9) and a piston (10); a mandrel (4) is arranged in the middle of the probe rod (1), a driving motor (5) is sleeved at one end, far away from the head of the probe rod (1), of the mandrel (4), the driving motor (5) can rotate on the mandrel (4), and the shell of the driving motor (5) is made of a titanium alloy material; a slip ring (6) is fixedly connected to one side, close to the head of the probe rod (1), of the driving motor (5), and the slip ring (6) is in sliding connection with the mandrel (4); one side of the slip ring (6) far away from the driving motor (5) is circumferentially and uniformly provided with a group of crushing claws (9), and one side of each crushing claw (9) close to the slip ring (6) is connected with the slip ring (6) through a first connecting rod (7); the first connecting rod (7) is hinged with the crushing claw (9) and the first sliding ring (6) respectively; a group of pistons (10) are arranged in the slip ring (6), a second connecting rod (8) is arranged between the pistons (10) and the crushing claw (9), and the second connecting rod (8) is hinged with the crushing claw (9) and the pistons (10) respectively; the mandrel (4), the slip ring (6), the first connecting rod (7), the second connecting rod (8), the crushing claw (9) and the piston (10) are all made of titanium alloy; when the slide ring (6), the driving motor (5), the first connecting rod (7), the second connecting rod (8), the crushing claw (9) and the piston (10) are matched to reach blood clots deposited around intracranial nerves through the probe rod (1), the driving motor (5) drives the crushing claw (9) to rotate to crush the blood clots.

2. The VR simulated distraction device for neurosurgery of claim 1, wherein: the crushing claw (9) comprises a barrel (11), a packing auger (12), a micro motor (13) and a suction pipe (14); the drum (11) and the packing auger (12) are both made of titanium alloy; an opening is formed in one side, close to the head of the probe rod (1), of the barrel (11), a micro motor (13) is arranged in the barrel (11) and close to the bottom of the barrel, and the shell of the micro motor (13) is made of a titanium alloy material; the micro motor (13) is fixedly connected to the inner wall of the barrel (11) through a bracket, and the bracket does not influence the flow of the broken blood clots; one side of the micro motor (13) close to the opening of the drum (11) is provided with an auger (12), the auger (12) is fixedly connected with an output shaft of the micro motor (13), and the auger (12) can rub blood clots; the bottom of the barrel (11) is communicated with a suction pipe (14), and the broken blood clots are sucked out of the body by the suction pipe (14).

3. The VR simulated distraction device of claim 2 for neurosurgery, wherein: an expansion ring (15) is arranged on the probe rod (1) between the camera (2) and the crushing unit (3), and the expansion ring (15) is made of elastic rubber; the expansion ring (15) is expanded after being filled with normal saline, so that nerves around the blood clot are expanded, and the nerve is prevented from being damaged by the crushing unit (3).

4. The VR simulated distraction device of claim 3 for neurosurgery, wherein: the inner wall of the expansion ring (15) is provided with a micro suction pump (16), and the micro suction pump (16) is used for sucking broken blood clots and further quickening the discharge of blood clots around intracranial nerves.

5. The VR simulated distraction device of claim 2 for neurosurgery, wherein: the inner wall of the barrel (11) is provided with a flexible annular rubber bag (17), hemolytic agent is filled in the rubber bag (17), and a group of pores are uniformly formed in the inner wall of the rubber bag (17); the rubber bladder (17) releases the hemolytic agent to prevent the clot from clogging the straw (14).