CN108992201B

CN108992201B - Subnerve endoscopic grasping forceps device

Info

Publication number: CN108992201B
Application number: CN201810897180.6A
Authority: CN
Inventors: 严正村; 张恒柱; 王晓东; 李育平; 佘磊; 魏民; 王杏东
Original assignee: Northern Jiangsu Peoples Hospital
Current assignee: Northern Jiangsu Peoples Hospital
Priority date: 2018-08-08
Filing date: 2018-08-08
Publication date: 2023-07-04
Anticipated expiration: 2038-08-08
Also published as: CN108992201A

Abstract

The invention relates to a nerve endoscope lower nipper device and a method for repairing skull base, comprising an outer shell, a handle pushing column and a supporting rod; the outer shell is a cylindrical shell, and two ends of the outer shell are respectively provided with an outer shell inlet and an outer shell outlet; at least 3 elastic grab bars are arranged at one end of the grab pushing column, and one end of the grab pushing column, which is fixed with the grab bars, is inserted from the inlet of the outer shell and penetrates through the outer shell; in the outer shell, the grip bars are contracted and placed in the outer shell, and when one end of the grip push column, which is fixed with the grip bars, passes through the outlet of the outer shell, all the grip bars spring open together; an elastic plate is fixed at one end of the hand grip pushing column, which is not fixed with the hand grip rod; the pushing post is internally provided with a pushing post through hole, the supporting rod is inserted into the pushing post through hole, and the supporting rod can penetrate out from one end of the pushing post of the gripper, which is fixedly provided with the gripping rod. The invention can conveniently and quickly realize that the repairing material is perfectly placed above and below the skull base defect leakage opening, and achieves the effect that the repairing material is in a caulking shape at the skull base defect leakage opening.

Description

Subnerve endoscopic grasping forceps device

Technical Field

The invention relates to a nerve endoscopic grasping forceps device and a method for repairing skull base by using the same, and belongs to the technical field of medical instrument design.

Background

Currently, the operation of nerve endoscopy through the nose and the skull base is widely developed, and the skull base reconstruction technology is a short plate of the nerve endoscopy operation. At present, materials such as fat, muscle and the like are widely used for repairing the skull base, but most of repairing materials are attached to defective parts, so that the sealing effect is difficult to achieve, and complications such as cerebrospinal fluid leakage, intracranial infection and the like are easy to occur after operation. In order to achieve the sealing, stable and firm effects of skull base repair, the repair materials are required to be embedded into the defect part, and the repair materials are uniformly distributed up and down at the skull base defect leakage opening to achieve the caulking effect, but the operation is relatively difficult at present and the corresponding operation instrument is lacked, a nerve endoscope grasping forceps is designed, the repair materials can be uniformly embedded into the upper and lower regions of the skull base defect, the sealing and firm skull base repair effect is achieved, and stable and durable skull base reconstruction is formed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the neuroendoscopic grasping forceps device which has reasonable structure, easy production and manufacture and convenient use and the method for repairing the skull base.

The invention aims at realizing the following, and is characterized in that: comprises an outer shell, a hand grip push column and a supporting rod; the outer shell is a cylindrical shell, and an outer shell inlet and an outer shell outlet are respectively arranged at two ends of the outer shell; at least 3 elastic handle bars are arranged at one end of the handle push column, at least 3 handle bars are uniformly distributed and fixed at the end part of the handle push column, and one end of the handle push column, which is fixed with the handle bars, is inserted from an inlet of the outer shell and penetrates through the outer shell; in the outer shell, the grip bars are contracted and placed in the outer shell, and when one end of the grip push column, which is fixed with the grip bars, passes through the outlet of the outer shell, all the grip bars spring open together; one end of the handle push column, which is not fixed with the handle rod, is connected with an elastic plate, one end of the elastic plate is fixed on the handle push column, and the other end of the elastic plate penetrates out of the outlet of the outer shell; the pushing post is internally provided with a pushing post through hole, the supporting rod is inserted into the pushing post through hole, and the supporting rod can penetrate out from one end of the pushing post of the gripper, which is fixedly provided with the gripping rod.

The outer shell is a transparent shell, and scale marks are arranged on the outer wall, close to the inlet, of the outer shell.

The grip lever is provided with a plurality of saw teeth; the one end that the butt pole faced the shell body export is equipped with a plurality of suction holes, still is equipped with the suction tube in the butt pole, and the one end and a plurality of suction holes link up of suction tube, and the handle of butt pole and butt pole tip is worn out to the other end, wears out the external negative pressure device of suction tube of butt pole and butt pole tip.

The end of the supporting rod is provided with a handle.

And a water filling pipeline is arranged on the outer shell and penetrates through the outer shell.

The utility model discloses a handle, including shell body, tongs push post, handle, elastic plate, shell body handle, limiting pin, elastic plate, handle push post, wherein the shell body is provided with the one end of elastic plate equidirectional and is equipped with the shell body handle, is equipped with a plurality of elastic plate limiting holes on the elastic plate, is equipped with a plurality of handle limiting holes on the shell body handle, and a plurality of elastic plate limiting holes, a plurality of handle limiting holes one-to-one, still is equipped with the spacer pin, the spacer pin wears in arbitrary one elastic plate limiting hole in proper order and arbitrary one handle limiting hole for elastic plate, shell body handle are fixed.

A method for repairing skull base by using a nerve endoscopic grasper device, which is characterized by comprising the following steps: comprises an outer shell, a hand grip push column and a supporting rod; the outer shell is a cylindrical shell, and an outer shell inlet and an outer shell outlet are respectively arranged at two ends of the outer shell; at least 3 elastic handle bars are arranged at one end of the handle push column, at least 3 handle bars are uniformly distributed and fixed at the end part of the handle push column, and one end of the handle push column, which is fixed with the handle bars, is inserted from an inlet of the outer shell and penetrates through the outer shell; in the outer shell, the grip bars are contracted and placed in the outer shell, and when one end of the grip push column, which is fixed with the grip bars, passes through the outlet of the outer shell, all the grip bars spring open together; one end of the handle push column, which is not fixed with the handle rod, is connected with an elastic plate, one end of the elastic plate is fixed on the handle push column, and the other end of the elastic plate penetrates out of the outlet of the outer shell; a pushing post through hole is formed in the hand grip pushing post, the supporting rod is inserted into the pushing post through hole, and the supporting rod can penetrate out from one end of the hand grip pushing post, on which the hand grip rod is fixed;

when in use, soft repairing material needed for repairing the skull base is clamped on the handle bar on the handle pushing column, so that the repairing material is clamped between the handle bar and the handle bar; the elastic plate is pulled outwards, the elastic plate moves outwards to drive the gripper push rod to retract into the outer shell, meanwhile, the gripper rod on the gripper push column also starts to gradually retract into the outer shell, and the repairing material is clamped to gradually enter into the outer shell;

then, stretching the neuroendoscopic grasping forceps device to the position of the skull base defect leakage opening to be moved, enabling the outlet of the outer shell to face the skull base defect leakage opening to be repaired, pushing the elastic plate to drive the grasping push column to move towards the outlet direction of the outer shell, and when one end of the grasping push column, which is fixed with the grasping rod, passes through the outlet of the outer shell, all the grasping rods gradually spring open, so that the grasping rod releases the clamping of the repairing material, and the repairing material gradually swells and falls above and below the skull base defect leakage opening; then pushing a supporting rod, wherein the supporting rod penetrates out of the pushing column of the gripper to support the repairing material; then the elastic plate is pulled back to drive the gripper pushing post to move towards the inlet direction of the outer shell until the gripper bar on the gripper pushing post is contracted into the outer shell, and the repairing material is prevented from returning into the outer shell along with the contraction of the gripper bar as the supporting bar is always supported against the repairing material; finally, the whole nerve endoscopic grasping forceps device is moved out from the skull base position, so that the repairing material is perfectly and uniformly distributed on the upper and lower parts of the skull base defect leakage opening, and the effect that the repairing material is in a caulking shape at the skull base defect leakage opening is achieved.

The outer shell is a transparent shell, scale marks are arranged on the outer wall of the outer shell, which is close to the inlet, so that the position, where the grasping forceps device under the neuroendoscope extends to the skull base defect leakage opening, which needs to be moved, can be accurately grasped through the scale marks; the clamping force of the repair material on the grab handle is enhanced by arranging a plurality of saw teeth on the grab handle; the end part of the supporting rod is provided with a handle, so that the supporting rod can be conveniently pushed;

a plurality of suction holes are formed in one end of the supporting rod facing the outlet of the outer shell, a suction pipe is further arranged in the supporting rod, one end of the suction pipe is communicated with the plurality of suction holes, the other end of the suction pipe penetrates out of the supporting rod and a handle at the end part of the supporting rod, and the suction pipe penetrating out of the supporting rod and the end part of the supporting rod is externally connected with a negative pressure device; when the repair material is clamped between the gripper bars and the elastic plate is pulled outwards, the gripper bars on the gripper pushing columns also start to gradually shrink into the outer shell, the repair material is clamped to gradually enter into the outer shell, meanwhile, the negative pressure device is started, and the negative pressure device adsorbs the repair material through the suction pipe and the suction holes, so that the repair material is adsorbed and fixed at one end of the supporting bar facing the outlet of the outer shell, and the repair material is ensured to completely move in the outer shell along with the retraction of the gripper bars into the outer shell.

The water filling pipeline is arranged on the outer shell and penetrates through the outer shell, so that the repairing skull base defect leakage opening part can be conveniently washed in an operation, and the repairing skull base defect leakage opening part is used for washing an operation visual field in the operation.

The elastic plate is fixed on the outer shell handle, the elastic plate cannot move, when the limiting pin is taken out from the elastic plate and the outer shell handle, the elastic plate and the outer shell handle are separated, and the elastic plate can move; meanwhile, the hand-held nerve endoscope lower grasping forceps are also convenient to hold by the handle of the outer shell.

The invention has reasonable and simple structure, easy production and manufacture and convenient use, and when in use, the outer shell, the hand grip pushing column and the supporting rods are matched in place, the three hand grip rods are positioned at the abduction position, and the repairing material (which can be fat or muscle) is clamped on at least 3 hand grip rods on the hand grip pushing column, namely, the repairing material is clamped between at least 3 hand grip rods; along with the outward movement of the elastic plate, the hand-held push rods are also retracted simultaneously, and at the same time, all the hand-held push rods also start to gradually shrink into the outer shell, because the repairing material has soft characteristics, the repairing material is clamped to gradually enter the outer shell, and when the repairing material is completely placed into the outer shell, the limiting pins sequentially penetrate through the limiting holes of any one elastic plate and the limiting holes of any one handle, so that the elastic plate and the handle are fixed. At this time, the repair material is clamped on all the grab bars and is positioned in the outer shell.

The device is stretched to the position of the skull base defect leakage opening to be moved, the outlet of the outer shell faces the leakage opening, the elastic plate is pushed to drive the hand pushing column to move towards the outlet direction of the outer shell, when one end of the hand pushing column, which is fixed with the hand bars, passes through the outlet of the outer shell, all the hand bars are gradually sprung out, so that the hand bars release the clamping of the repair material, part of the repair material just at the outlet is gradually expanded to fall above the leakage opening, and at the moment, the supporting rod is pushed to pass through the hand pushing column to support the repair material; then the elastic plate is pulled to drive the gripper pushing post to move towards the inlet direction of the outer shell until the gripper bar on the gripper pushing post is contracted into the outer shell, and the repairing material is prevented from returning to the outer shell along with the contraction of the gripper bar as the supporting bar is always supported against the repairing material; finally, the whole device is moved out from the skull base position, so that the repairing material is perfectly and uniformly distributed on the upper and lower parts of the skull base defect leakage opening, and the effect of caulking the repairing material on the skull base defect leakage opening is achieved.

In addition, in the invention, the outer shell is a transparent shell, scale marks are arranged on the outer wall of the outer shell, which is close to the inlet, and the position of the device, which is placed on the skull base, of the device is conveniently observed through the transparent shell and the scale marks, and the depth of the grab bar is evaluated. The handle bar is provided with a plurality of saw teeth, so that the repairing material can be effectively clamped on the handle bar. The end part of the supporting rod is provided with a handle, so that the supporting rod is convenient to push and pull.

In the invention, the wall layer of the outer shell is provided with the water filling pipeline, the front end is provided with the water outlet, the tail end is provided with the pipeline interface for flushing the operation view field in operation, and the purpose of clear operation view field can be achieved with the aid of the operation aspirator, in particular to clearly observing the tightness of the leakage opening. The outer shell body extends to be provided with a handle, so that the effect of holding the grasping forceps can be achieved, and the grasping forceps are convenient to use.

The invention can conveniently and quickly realize that the repairing material is perfectly placed above and below the skull base defect leakage opening, achieves the effect of plugging the repairing material in the skull base defect leakage opening, uniformly embeds the repairing material into the upper and lower areas of the skull base defect, achieves the effect of sealing and firmly repairing the skull base, and forms stable and durable skull base reconstruction.

Drawings

Fig. 1 is a schematic structural view of the present invention.

In the figure: the hand-operated device comprises a 1 outer shell, a 1-1 outer shell inlet, a 1-2 outer shell outlet, a 2 hand-grip push column, a 3 supporting rod, a 3-1 suction hole, a 3-2 suction pipe, a 4 hand-grip rod, a 5 elastic plate, a 6 handle, 7 scale marks, an 8 water filling pipe, a 9 outer shell handle and a 10 limiting pin.

Detailed Description

The invention is further described with reference to the drawings and the accompanying description.

The grasping forceps device under the neuroendoscopy comprises an outer shell 1, a grasping hand pushing column 2 and a supporting rod 3; the outer shell 1 is a cylindrical shell, and an outer shell inlet 1-1 and an outer shell outlet 1-2 are respectively arranged at two ends of the outer shell 1; at least 3 elastic gripper bars 4 are arranged at one end of the gripper pushing post 2, at least 3 gripper bars 4 are uniformly distributed and fixed at the end part of the gripper pushing post 2, and one end of the gripper pushing post 2, which is fixed with the gripper bars 4, is inserted from the inlet 1-1 of the outer shell and penetrates through the outer shell 1; in the outer shell 1, the gripper bars 4 are contracted and placed in the outer shell 1, and when one end of the gripper pushing post 2, on which the gripper bars 4 are fixed, passes through the outer shell outlet 1-2, all the gripper bars 4 spring open together; one end of the gripper pushing post 2, which is not fixed with the gripper bar 4, is connected with an elastic plate 5, one end of the elastic plate 5 is fixed on the gripper pushing post 2, and the other end of the elastic plate penetrates out of the outer shell outlet 1-2; a push column through hole is arranged in the grip push column 2, the supporting rod 3 is inserted into the push column through hole, and the supporting rod 3 can penetrate out from one end of the grip push column 2, on which the grip rod 4 is fixed.

The outer shell 1 is a transparent shell, the outer wall of the outer shell 1, which is close to the inlet, is provided with scale marks 7, and the position, which is required to be moved to, of the skull base defect leakage opening of the nerve endoscope lower forceps device can be accurately mastered through the scale marks 7; the gripping bar 4 is provided with a plurality of saw teeth, so that the clamping force of the repairing material on the gripping bar is enhanced; the handle 6 is arranged at the end part of the supporting rod 3, so that the supporting rod 3 is conveniently pushed, meanwhile, a plurality of suction holes 3-1 are formed in one end of the supporting rod 3 facing the outer shell outlet 1-2, the suction pipe 3-2 is further arranged in the supporting rod 3, one end of the suction pipe 3-2 is communicated with the plurality of suction holes 3-1, the other end of the suction pipe penetrates out of the supporting rod 3 and the handle 6 at the end part of the supporting rod 3, and the suction pipe 3-2 penetrating out of the supporting rod 3 and the end part of the supporting rod 3 is externally connected with a negative pressure device. The water filling pipe 8 is arranged on the outer shell 1, the water filling pipe 8 penetrates through the outer shell 1, so that the repairing skull base defect leakage opening part can be conveniently washed in the operation, and the repairing skull base defect leakage opening part is used for washing the operation visual field in the operation. The outer shell 1 and the hand grip push column 2 are provided with an outer shell handle 9 at one end in the same direction as the elastic plate 5, a plurality of elastic plate limiting holes are formed in the elastic plate 5, a plurality of handle limiting holes are formed in the outer shell handle 9, the plurality of elastic plate limiting holes and the plurality of handle limiting holes are in one-to-one correspondence, and a limiting pin 10 is further arranged, wherein the limiting pin 10 sequentially penetrates through any one of the elastic plate limiting holes and any one of the handle limiting holes, so that the elastic plate 5 is fixed on the outer shell handle 9, the elastic plate 5 cannot move, and when the limiting pin 10 is taken out from the elastic plate 5 and the outer shell handle 9, the elastic plate 5 and the outer shell handle 9 are separated, and the elastic plate 5 can move; meanwhile, the hand-held nerve endoscope lower forceps are also convenient to hold by the handle 9 of the outer shell.

When in use, soft repairing material needed for repairing the skull base is clamped on the gripper bar 4 on the gripper pushing post 2, so that the repairing material is clamped between the gripper bar 4 and the gripper bar 4; the elastic plate 5 is pulled outwards, the elastic plate 5 moves outwards to drive the gripper pushing rod 2 to retract into the outer shell 1, meanwhile, the gripper rod 4 on the gripper pushing column 2 also starts to gradually shrink into the outer shell 1, and the repairing material is clamped to gradually enter into the outer shell 1;

sometimes soft repair materials are not completely clamped into the outer shell 1, the handles are provided with porous attraction on the pushing posts, and under negative pressure attraction, the repair materials can be further sucked into the outer shell 1 so as to achieve that the repair materials are completely positioned in the outer shell. That is, when the repairing material is clamped between the gripper bar 4 and the elastic plate 5 is pulled outwards, the gripper bar 4 on the gripper pushing post 2 also starts to gradually shrink into the outer shell 1, the repairing material is clamped to gradually enter the outer shell 1, and meanwhile, a negative pressure device is started, and the negative pressure device adsorbs the repairing material through the suction tube 3-2 and the plurality of suction holes 3-1, so that the repairing material is adsorbed and fixed at one end of the supporting bar 3 facing the outer shell outlet 1-2, and the repairing material is ensured to completely move into the outer shell 1 along with the retraction of the gripper bar 4 into the outer shell 1.

Then, stretching the neuroendoscopic grasping forceps device to the position of the skull base defect leakage opening to be moved, pushing the elastic plate 5 by the outer shell outlet 1-2 to face the skull base defect leakage opening to be repaired, driving the grasping push column 2 to move towards the outer shell outlet 1-2, and gradually bouncing all the grasping rods 4 when one end of the grasping push column 2, which is fixedly provided with the grasping rods 4, passes through the outer shell outlet 1-2, so that the grasping rods 4 release the clamping of the repairing material, and the repairing material gradually swells to fall above and below the repairing skull base defect leakage opening; then pushing the supporting rod 3, and enabling the supporting rod 3 to penetrate out of the gripper pushing column 2 to support the repairing material; then the elastic plate 5 is pulled back to drive the gripper pushing post 2 to move towards the inlet 1-1 direction of the outer shell until the gripper bar 4 on the gripper pushing post 2 is contracted into the outer shell 1, and the repairing material is prevented from returning into the outer shell 1 along with the contraction of the gripper bar 4 because the abutting bar 4 always abuts against the repairing material; finally, the whole nerve endoscopic grasping forceps device is moved out from the skull base position, so that the repairing material is perfectly and uniformly distributed on the upper and lower parts of the skull base defect leakage opening, and the effect that the repairing material is in a caulking shape at the skull base defect leakage opening is achieved.

Claims

1. A nerve endoscopic grasping forceps device, which is characterized in that: comprises an outer shell (1), a hand grip pushing column (2) and a supporting rod (3); the outer shell (1) is a cylindrical shell, and two ends of the outer shell (1) are respectively provided with an outer shell inlet (1-1) and an outer shell outlet (1-2); at least 3 elastic grab bars (4) are arranged at one end of the grab pushing column (2), at least 3 grab bars (4) are uniformly distributed and fixed at the end part of the grab pushing column (2), and one end of the grab pushing column (2) with the grab bars (4) is inserted from an outer shell inlet (1-1) and penetrates through the outer shell (1); in the outer shell (1), the handle bars (4) are contracted in the outer shell (1), and when one end of the handle pushing column (2) with the handle bars (4) is fixed and passes out from the outer shell outlet (1-2), all the handle bars (4) spring open together; one end of the hand grip pushing column (2) which is not fixed with the hand grip rod (4) is connected with an elastic plate (5), one end of the elastic plate (5) is fixed on the hand grip pushing column (2), and the other end of the elastic plate penetrates out of the outer shell outlet (1-2); a pushing post through hole is formed in the hand grip pushing post (2), the supporting rod (3) is inserted into the pushing post through hole, and the supporting rod (3) can penetrate out from one end of the hand grip pushing post (2) where the hand grip rod (4) is fixed; the outer shell (1) is a transparent shell, and graduation lines (7) are arranged on the outer wall, close to the inlet, of the outer shell (1); the gripper bar (4) is provided with a plurality of saw teeth.

2. The endo-nerve grasper device of claim 1, wherein: a handle (6) is arranged at the end part of the supporting rod (3); one end of the supporting rod (3) facing the outer shell outlet (1-2) is provided with a plurality of suction holes (3-1), the supporting rod (3) is internally provided with a suction pipe (3-2), one end of the suction pipe (3-2) is communicated with the plurality of suction holes (3-1), the other end of the suction pipe penetrates out of the supporting rod (3) and a handle (6) at the end part of the supporting rod (3), and the suction pipe (3-2) penetrating out of the supporting rod (3) and the end part of the supporting rod (3) is externally connected with a negative pressure device.

3. The endo-nerve grasper device of claim 1, wherein: the water filling pipeline (8) is arranged on the outer shell (1), and the water filling pipeline (8) penetrates through the outer shell (1).

4. The endo-nerve grasper device of claim 1, wherein: the utility model discloses a handle structure, including shell body (1), tongs push post (2), elastic plate (5) are provided with shell body handle (9) with the one end of tongs push post (2) equidirectional, are equipped with a plurality of elastic plate spacing holes on elastic plate (5), are equipped with a plurality of handle spacing holes on shell body handle (9), and a plurality of elastic plate spacing holes, a plurality of handle spacing hole one-to-one still are equipped with spacer pin (10), and spacer pin (10) wears in arbitrary one elastic plate spacing hole in proper order and arbitrary one handle spacing hole for elastic plate (5), shell body handle (9) are fixed.