阅读说明：本技术 一种脑外科手术防抖动磨刀 (Anti-shaking knife sharpener for brain surgery ) 是由 陈兵 赵彦 胥建 于 2021-08-25 设计创作，主要内容包括：本发明公开了一种脑外科手术防抖动磨刀,包括手柄、与手柄连接的操作杆、与操作杆连接的固定头、上控制系统、下控制系统、钻头系统和感应反馈系统；解决现有技术中脑外科手术中医生手抖动、操作手术磨刀不方便的技术问题。(The invention discloses an anti-shaking knife sharpener for brain surgery, which comprises a handle, an operating rod connected with the handle, a fixing head connected with the operating rod, an upper control system, a lower control system, a drill bit system and an induction feedback system, wherein the upper control system is connected with the operating rod; solves the technical problems of the prior art that the hands of a doctor shake and the operation of knife sharpening is inconvenient in the brain surgery.)

1. The utility model provides a brain surgery anti-shake moves sharpedge grinding which characterized in that: comprises a handle control system, an upper control system, a lower control system, a drill bit system and an induction feedback system; the inductive feedback system comprises a sensor arranged on the rotary drill bit and an inductive amplifying device arranged on the handle;

the upper control system comprises an upper control chamber connected with the fixed head, liquid a arranged in the upper control chamber, a suspension block a suspended on the surface of the liquid a, an elastic rope connected with the center of the suspension block a and a first transmission assembly, and the suspension block a can drive the first transmission assembly to move when moving to the edge of the upper control chamber;

the lower control system comprises a lower control chamber, liquid b arranged in the lower control chamber, a suspension block b suspended on the surface of the liquid b, a moving rod connected with the suspension block b and a roller device, wherein gear teeth are arranged on the moving rod;

the first transmission assembly, the moving rod and the roller device are all arranged into a plurality of

The drill bit system comprises a connecting rod transmission assembly connected with the suspension block b, a vertical shockproof assembly connected with the connecting rod transmission assembly and a rotary drill bit connected with the vertical shockproof assembly; and the connecting rod transmission assembly is used for controlling the rotary drill bit and the suspension block b to synchronously move in the horizontal direction.

2. The brain surgery anti-shake sharpener of claim 1, wherein: the first transmission assembly comprises a transmission rod, a toothed belt arranged on the upper surface of the transmission rod and provided with gear teeth, a gear set a meshed with the toothed belt and a return spring arranged on the transmission rod; when the elastic rope has the minimum stretching amount, the suspension block a is positioned at the center of the upper control chamber in the horizontal direction and can be contacted with the transmission rod; the transmission rod can move in a single degree of freedom in the horizontal direction, when the transmission rod moves upwards to control the outside, the transmission rod controls the toothed belt to move, and when the suspension block a is not in contact with the transmission rod, the return spring controls the transmission rod to return inwards to the initial position; a pawl is arranged between the transmission rod and the toothed belt, and when the transmission rod returns to the initial position, the toothed belt cannot drive the gear set a to rotate; a pawl is arranged on the gear set a to control the gear set a to rotate in one direction; the gear set a may be engaged with the moving bar.

3. The brain surgery anti-shake sharpener of claim 2, wherein: the vertical shockproof assembly comprises an upper spring, a balance block, a lower spring, a gear set b and a drill bit rod, wherein the upper spring, the balance block and the lower spring are connected with the connecting rod transmission assembly, the gear set b is connected with the balance block, the drill bit rod is connected with the gear set b, the balance block is arranged between the upper spring and the lower spring, and when the balance block moves relative to the connecting rod transmission assembly, the gear set b controls the drill bit rod and the rotary drill bit to move in the same direction with the balance block relative to the connecting rod transmission assembly.

4. The brain surgery anti-shake sharpener of claim 3, wherein: the handle control system comprises a handle, an operating rod connected with the handle and a fixing head connected with the operating rod, the fixing head is connected with the upper control chamber, and the angle and the distance between the handle and the operating rod can be adjusted.

5. The brain surgery anti-shake sharpening device of claim 4, wherein: the roller device comprises a small rotating wheel, an elastic sheet arranged on the small rotating wheel, a convex block, a roller rod connected with the convex block and a small roller arranged below the roller rod, wherein the gear set a can drive the small rotating wheel to rotate, and when the small rotating wheel rotates, the elastic sheet is in intermittent contact with the convex block to drive the small roller to move in the vertical direction as the degree of freedom.

6. The brain surgery anti-shake sharpening device of claim 5, wherein: the connecting rod transmission assembly comprises a vertical connecting rod a, a transmission belt a connected with the vertical connecting rod, a gear connecting rod with gears arranged at two ends, a transmission belt b and a vertical connecting rod b connected with the vertical shockproof assembly, wherein the two ends of the gear connecting rod are respectively meshed with the transmission belt a and the transmission belt b, when the vertical connecting rod a moves transversely, the transmission belt a is driven to rotate, and when the transmission belt b rotates, the vertical connecting rod b moves transversely.

7. The brain surgery anti-shake sharpener of claim 6, wherein: the elastic control device a can control the elongation of the elastic rope, the control device b can control the elongation of the control rope, and when the elongation of the control rope is minimum, the control device b can control the central position of the suspension block b suspended in the water direction of the lower control chamber.

8. The brain surgery anti-shake sharpener of claim 7, wherein: the sensor adopts an electromagnetic inductor, and when the rotary drill bit is stressed, the current of the electromagnetic inductor is changed.

9. The brain surgery anti-shake sharpener of claim 8, wherein: the drilling system further comprises a micro camera arranged on the drilling system and an imaging device connected with the micro camera.

10. The brain surgery anti-shake sharpener of claim 6, wherein: the liquid a and the liquid b adopt metal gallium indium tin alloy.

Technical Field

The invention relates to the field of neurosurgery, in particular to an anti-shaking knife sharpener for brain surgery.

Background

In cranial neurosurgery, surgical knife sharpening is often required, which can abrade extremely thin skull in craniotomy without damaging the tissue under the skull. At present, the surgical knife grinder usually adopts a long rod, the head of the rod is connected with a drill bit, and the drill bit is usually in a spherical shape or a disc shape. The operation difficulty of using the surgical knife grinder at the present stage is very high, because the hand is easy to shake when a doctor uses the surgical knife grinder, the shake of the hand can drive the shake of the surgical knife grinder, and the knife grinder damages tissues around the skull. The brain surgery operation is mostly the precision operation, in addition to guarantee the doctor to the sensation of operation sharpedge grinding tool bit atress in the operation. At present, the operation knife sharpening which is convenient for the doctor to operate is very few.

Therefore, there is a need for improvement of the prior art to solve the above technical problems.

Disclosure of Invention

In view of the above, an object of the present invention is to provide an anti-shake knife sharpener for brain surgery, which solves the technical problem of inconvenience in operating knife sharpener in brain surgery in the prior art. The method is realized by the following technical scheme:

in a first aspect of the embodiments of the present invention, there is provided a brain surgery anti-shake sharpening device, comprising a handle control system, an upper control system, a lower control system, a drill system and an induction feedback system; the inductive feedback system comprises a sensor arranged on the rotary drill bit and an inductive amplifying device arranged on the handle; the upper control system comprises an upper control chamber connected with the fixed head, liquid a arranged in the upper control chamber, a suspension block a suspended on the surface of the liquid a, an elastic rope connected with the center of the suspension block a and a first transmission assembly, and the suspension block a can drive the first transmission assembly to move when moving to the edge of the upper control chamber; the lower control system comprises a lower control chamber, liquid b arranged in the lower control chamber, a suspension block b suspended on the surface of the liquid b, a moving rod connected with the suspension block b and a roller device, wherein gear teeth are arranged on the moving rod; the first transmission assembly, the moving rod and the roller device are all provided with a plurality of drill bit systems, and each drill bit system comprises a connecting rod transmission assembly connected with the suspension block b, a vertical shockproof assembly connected with the connecting rod transmission assembly and a rotary drill bit connected with the vertical shockproof assembly; and the connecting rod transmission assembly is used for controlling the rotary drill bit and the suspension block b to synchronously move in the horizontal direction.

In an alternative embodiment, the first transmission assembly comprises a transmission rod, a toothed belt arranged on the upper surface of the transmission rod and provided with gear teeth, a gear set a meshed with the toothed belt and a return spring arranged on the transmission rod; when the elastic rope has the minimum stretching amount, the suspension block a is positioned at the center of the upper control chamber in the horizontal direction and can be contacted with the transmission rod; the transmission rod can move in a single degree of freedom in the horizontal direction, when the transmission rod moves upwards to control the outside, the transmission rod controls the toothed belt to move, and when the suspension block a is not in contact with the transmission rod, the return spring controls the transmission rod to return inwards to the initial position; a pawl is arranged between the transmission rod and the toothed belt, and when the transmission rod returns to the initial position, the toothed belt cannot drive the gear set a to rotate; a pawl is arranged on the gear set a to control the gear set a to rotate in one direction; the gear set a may be engaged with the moving bar.

In an alternative embodiment, the vertical anti-vibration assembly includes an upper spring connected to the link transmission assembly, a balance weight, a lower spring, a gear set b connected to the balance weight, and a drill bit connected to the gear set b, the balance weight being disposed between the upper spring and the lower spring, the gear set b controlling the drill bit and the rotary drill bit to move in the same direction as the balance weight with respect to the link transmission assembly when the balance weight moves with respect to the link transmission assembly.

In an alternative embodiment, the handle control system comprises a handle, an operating rod connected with the handle and a fixed head connected with the operating rod, the fixed head is connected with the upper control chamber, and the angle and the distance between the handle and the operating rod can be adjusted.

In an alternative embodiment, the roller device includes a small wheel, an elastic sheet disposed on the small wheel, a bump, a roller rod connected to the bump, and a small roller disposed below the roller rod, the gear set a can drive the small wheel to rotate, when the small wheel rotates, the elastic sheet is in intermittent contact with the bump, the small roller is driven to move in a vertical direction as a degree of freedom, the moving rod is controlled to move, the moving rod drives the suspension block b to move, and further the rotary drill bit is controlled to move, the elastic sheet can drive the bump to move vertically when the small wheel rotates, but when the small wheel does not rotate, the bump falls back to contact with the moving rod, and the moving rod is separated from the gear set b under the action of gravity of the roller device.

In an alternative embodiment, the link transmission assembly includes a vertical link a, a transmission belt a connected to the vertical link, a gear link having gears at two ends, a transmission belt b, and a vertical link b connected to the vertical shockproof assembly, wherein the gears at two ends of the gear link are respectively engaged with the transmission belt a and the transmission belt b, the transmission belt a is driven to rotate when the vertical link a moves laterally, and the gear link is driven to rotate when the transmission belt b rotates, and the gear link rotates to drive the vertical link b to move laterally.

In an alternative embodiment, the device further comprises an elastic control device a connected with the elastic rope, a control rope connected with the suspension block b and a control device b connected with the control rope, wherein the elastic control device a can control the elongation of the elastic rope, the control device b can control the elongation of the control rope, when the elongation of the control rope is minimum, the central position of the suspension block b in the water direction of the lower control chamber can be controlled, the device is moved to a position suitable for operation, the suspension block a and the suspension block b are respectively positioned at the central positions in the horizontal direction of the upper control chamber and the lower control chamber through the control device b, the control rope, the control device a and the elastic rope, and then the control rope is in a completely relaxed state, and the elastic control suspension block a of the elastic rope can touch the transmission rod.

In an alternative embodiment, the sensor is an electromagnetic sensor, and when the rotary drill bit is subjected to a force, a current of the electromagnetic sensor changes.

In an alternative embodiment, the surgical instrument further comprises a micro camera arranged on the drill bit system and an imaging device connected with the micro camera, and a doctor can see an image of the surgical site through the imaging device, so that the operation of the doctor is more convenient.

In an alternative embodiment, the liquid a and the liquid b are made of metal gallium indium tin alloy, the metal gallium indium tin alloy has high density, and the suspension block a and the suspension block b can be made of wood or a metal material with a hollow middle part, and are easily suspended on the liquid a and the liquid b.

In an alternative embodiment, the number of the first transmission assembly, the moving rod and the roller device is 9, so that the suspension blocks a and b can normally move in all directions.

In an alternative embodiment, the rotary drill bit is provided in the form of a ball.

The positive and beneficial technical effects of the invention comprise:

(1) the technical problem of doctor's operation knife sharpening hand easily trembles is solved, mainly has two aspects: the first is anti-shake, when the doctor shakes hands to generate displacement, the rotary drill bit is ensured to have extremely small displacement relative to the surgical site, and when the doctor drives the surgical abrasive drill to move through the handle, the rotary drill bit can move, namely the influence of the hand shaking on the displacement of the drill bit is reduced; secondly, when the drill bit is subjected to the force from the skull, the force is amplified and then applied to the handle of the surgical abrasive drill, so that a doctor can obviously feel the stress change of the drill bit;

(2) the arrangement of the plurality of first transmission assemblies, the moving rod and the roller device ensures that the movement of the suspension block a can be comprehensively captured, the movement of the suspension block b can be comprehensively controlled, and the rotary drill bit can move in multiple directions;

(3) set up liquid a, liquid b, no matter go up the bottom surface of control room, lower control room whether level, homoenergetic guarantees liquid a, liquid b surface level, and suspension piece an, suspension piece b suspend on the horizontal plane, and rotary drill vertical action and operation position make things convenient for the doctor to use this device more.

Other advantageous effects of the present invention will be further described with reference to the following specific examples.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a schematic diagram of a system 1: 2 perspective view after enlargement;

fig. 3 is a block diagram 1: 2, the internal structure schematic diagrams of the upper control chamber and the lower control chamber are enlarged;

fig. 4 is a diagram of a location a 1: 5 enlarged perspective view;

fig. 5 is a diagram of a location B1: 5, a perspective view of the inside after enlargement;

fig. 6 is a diagram of a location C1: 10 enlarged internal perspective view;

fig. 7 shows an embodiment of the present invention, where 1: 8, enlarged perspective view;

icon:

1-a handle; 2-operating lever; 3-fixing the head; 4-upper control room; 5-a lower control room; 6-a suspension block a; 7-an elastic rope; 8-a transmission rod; 9-toothed belt; 10-gear set a; 11-a return spring; 12-a suspension block b; 13-a moving rod; 14-a rotary drill bit; 15-spring up; 16-a counterweight; 17-a lower spring; 18-gear set b; 19-a drill rod; 20-small rotating wheel; 21-an elastic sheet; 22-a bump; 23-roller bar; 24-small rollers; 25-vertical link a; 26-belt a; 27-a gear link; 28-belt b; 29-vertical link b.

Detailed Description

Example (b): an anti-shake knife sharpener for brain surgery comprises a handle 1, an operating rod 2 connected with the handle 1, a fixing head 3 connected with the operating rod 2, an upper control system, a lower control system, a drill bit system and an induction feedback system, as shown in figures 1-7;

the upper control system comprises an upper control chamber 4 connected with the fixed head 3, liquid a arranged in the upper control chamber 4, a suspension block a6 suspended on the surface of the liquid a, an elastic rope 7 connected with the center of the suspension block a6 and a first transmission assembly; the first transmission assembly comprises a transmission rod 8, a toothed belt 9 which is arranged on the upper surface of the transmission rod 8 and provided with gear teeth, a gear set a10 which is meshed with the toothed belt 9 and a return spring 11 which is arranged on the transmission rod 8; when the elastic rope 7 stretches and contracts in the minimum amount, the suspension block a6 is located at the center of the upper control chamber 4 in the horizontal direction, when a doctor holding the handle 1 shakes hands in the horizontal direction, the upper control chamber 4 is driven to shake in the horizontal direction, the suspension block a6 is suspended above the liquid a, and the displacement caused by shaking of the hands is generally small, the suspension block a6 can be kept static relative to the ground in the horizontal direction in the shaking process, the suspension block a6 is not in contact with the transmission rod 8, and the transmission rod 8 cannot drive the toothed belt 9 to move; when a doctor needs to move the handle 1 during operation, the displacement caused by the doctor actively moving the handle 1 is large, the suspension block a6 is delicate relative to the ground, the suspension block a6 can be in contact with the transmission rod 8 at the moment, and the transmission rod 8 drives the toothed belt 9 to move; the transmission rod 8 can move in a single degree of freedom in the horizontal direction, when the transmission rod 8 moves upwards to the outside of the control chamber 4, the transmission rod 8 drives the toothed belt 9 to move, when the doctor control handle 1 moves to an expected position, the suspension block a6 returns to the central position of the upper control chamber 4 under the action of the elastic rope 7 and is not in contact with the transmission rod 8, and the return spring 11 controls the transmission rod 8 to return inwards to an initial position; however, in the return process, because the pawl is arranged between the transmission rod 8 and the toothed belt 9, when the transmission rod 8 returns to the initial position, the toothed belt 9 cannot drive the gear set a10 to rotate, and the gear set a10 cannot rotate; a pawl is arranged on the gear set a10 to control the gear set a10 to rotate in one direction;

the lower control system comprises a lower control chamber 5, liquid b arranged in the lower control chamber 5, a suspension block b12 suspended on the surface of the liquid b, a moving rod 13 connected with a suspension block b12 and a roller device, wherein gear teeth are arranged on the moving rod 13, when a gear set a10 does not rotate, the roller device is in contact with the moving rod 13, the moving rod 13 is separated from the gear set, at the moment, if the upper control chamber 4 or the lower control chamber 5 shakes in the horizontal direction, the suspension block b12 can be static relative to the ground, the roller device controls the moving rod 13 to freely move relative to the roller device, so that the drill bit is also static relative to the ground in the horizontal direction, when the gear set a10 rotates, the roller device can be separated from the moving rod 13, the moving rod 13 can be meshed with a10 of the gear set, and the gear set a10 can drive the moving rod 13 to move towards the side wall of the lower control chamber 5;

the number of the first transmission assemblies, the moving rod 13 and the roller devices is multiple;

the drill bit system comprises a connecting rod transmission component connected with the suspension block b12, a vertical shockproof component connected with the connecting rod transmission component and a rotary drill bit 14; when the suspension block b12 moves in the horizontal direction, the connecting rod transmission assembly controls the rotary drill bit 14 to move synchronously with the suspension block b12, and the central position of the suspension block b12 can be controlled, so that the suspension block b12 can still stably suspend on the surface of the liquid b after being connected with a drill bit system; the vertical shockproof assembly comprises an upper spring 15, a balance block 16, a lower spring 17, a gear set b18 and a drill bit rod 19, wherein the upper spring 15, the balance block 16, the gear set b18 are connected with the balance block 16, the drill bit rod 19 is connected with the gear set b18, the balance block 16 is arranged between the upper spring 15 and the lower spring 17, and blocking pieces can be arranged on the upper spring 15 and the lower spring 17 to prevent the displacement distance of the balance block 16 from being too large, when a hand of a doctor shakes in the vertical direction, the balance block 16 can move relative to the connecting rod transmission assembly under the action of the upper spring 15 and the lower spring 17 due to inertia, and the gear set b18 controls the drill bit rod 19 and the rotary drill bit 14 to move relative to the connecting rod transmission assembly in the same direction as the balance block 16;

the induction feedback system comprises a sensor arranged on the rotary drill bit 14 and an induction amplifying device arranged on the handle 1, when the rotary drill bit 14 is stressed, the induction amplifying device amplifies the force and then acts on the handle 1, and a doctor can feel the stress of the drill bit through the handle 1.

In this embodiment, the roller device includes a small roller 20, an elastic sheet 21 disposed on the small roller 20, a bump 22, a roller rod 23 connected to the bump 22, and a small roller 24 disposed below the roller rod 23, a gear set a10 can drive the small roller 20 to rotate, when the small roller 20 rotates, the elastic sheet 21 intermittently contacts with the bump 22 to drive the small roller 24 to move in the vertical direction as a degree of freedom, so as to control the movement of the moving rod 13, and the moving rod 13 drives the suspension block b12 to move, so as to control the movement of the rotary drill 14, and the elastic sheet 21 can drive the bump 22 to move vertically when the small roller 20 rotates, but when the small roller 20 does not rotate, the bump 22 falls back to contact with the moving rod 13, and the moving rod 13 is separated from the gear set b18 by the gravity of the roller device.

In this embodiment, the link transmission assembly includes a vertical link a25, a transmission belt a26 connected to the vertical link, a gear link 27 with gears at two ends, a transmission belt b28, and a vertical link b29 connected to the vertical shockproof assembly, the gears at two ends of the gear link 27 are respectively engaged with the transmission belt a26 and the transmission belt b28, when the vertical link a25 moves laterally, the transmission belt a26 is driven to rotate, when the transmission belt b28 rotates, the gear link 27 is driven to rotate, and the gear link 27 rotates to drive the vertical link b29 to move laterally.

In this embodiment, the surgical instrument further comprises an elasticity control device a connected with the elastic rope 7, a control rope connected with the suspension block b12, and a control device b connected with the control rope, wherein the elasticity control device a can control the elongation of the elastic rope 7, the control device b can control the elongation of the control rope, when the elongation of the control rope is minimum, the suspension block b12 can be controlled to suspend at the central position of the lower control chamber 5 in the water direction, the surgical instrument is moved to a position suitable for surgery, the suspension block a6 and the suspension block b12 are respectively located at the central positions of the upper control chamber 4 and the lower control chamber 5 in the horizontal direction through the control device b, the control rope, the control device a and the elastic rope 7, and then the elastic control suspension block a6 of the elastic rope 7 can touch the transmission rod 8.

In this embodiment, the sensor is an electromagnetic sensor, and when the rotary drill bit 14 is stressed, the current of the electromagnetic sensor changes.

In this embodiment, still including setting up the miniature camera head on the drill bit system and the image device who is connected with the miniature camera head, the doctor can see the image of operation position through image device, makes things convenient for doctor's operation more.

In this embodiment, the liquid a and the liquid b are made of gallium indium tin alloy, the density of the gallium indium tin alloy is high, and the suspension block a6 and the suspension block b12 may be made of wood or metal material with a hollow middle, and are easily suspended on the liquid a and the liquid b.

In this embodiment, the number of the first transmission assembly, the moving rod 13 and the roller device is 9, so that the suspension blocks a6 and b12 can normally move in all directions.

In this embodiment, the rotary drill bit 14 is provided in a spherical shape.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.