CN211355636U

CN211355636U - Nerve pull hook capable of reducing epidural sac injury

Info

Publication number: CN211355636U
Application number: CN201921758854.0U
Authority: CN
Inventors: 胡方委; 任厚相; 赵宝平; 曹言言; 叶川
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-08-28
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a can reduce neural drawing of dura mater bag damage and collude, including connecting rod, drawing eave tile and handle, the fixed horizontal pole that is equipped with of connecting rod one end, the horizontal pole both ends are the fixed montant that is equipped with all, the montant is kept away from the equal fixed connecting plate that is equipped with of horizontal pole one end, the connecting plate is kept away from the fixed drawing eave tile that is equipped with of montant one end, the round hole has been seted up in the connecting rod other end, slide bar in the round hole, set up a plurality of screw holes on the connecting rod just equal threaded connection has the fastening. Has the advantages that: can make the dura mater bag between two connecting plates not receive the extrusion when carrying out the nerve and drawing the hook to reach the purpose that reduces the dura mater bag damage, and can obtain bigger operation field of vision, thereby reduce the operation degree of difficulty, and the length and the angle homoenergetic between handle and the hook head of drawing can be adjusted, and are more nimble when using.

Description

Nerve pull hook capable of reducing epidural sac injury

Technical Field

The utility model relates to the technical field of surgical instruments, particularly, relate to a can reduce neural drawing of dura mater sac damage and collude.

Background

In current vertebra operation (like intervertebral disc excision) in-process, need pull open the nerve sometimes and carry out the operation, traditional nerve draws and colludes all to adopt a wide arm-tie, and is wider, during the use, and the region of extrusion dura mater bag is great, and is big to the damage of dura mater, and current nerve draws and colludes handle length and with the angle of arm-tie be fixed, can not adjust for the nerve draws and colludes not nimble enough when using.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can reduce the neural drawing of dura mater sac damage and collude to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can reduce nervous drawing of dura mater bag damage and collude including connecting rod, draw eave tile and handle, the fixed horizontal pole that is equipped with of connecting rod one end, the horizontal pole both ends are all fixed and are equipped with the montant, the montant is kept away from horizontal pole one end is all fixed and is equipped with the connecting plate, the connecting plate is kept away from the fixed draw eave tile that is equipped with of montant one end, the round hole has been seted up in the connecting rod other end, the slide bar that slides in the round hole, set up on the connecting rod just equal threaded connection has the fastening lead screw in the threaded hole, the fixed connection piece that is equipped with in slide bar outer end just the perforation has been seted up at the connection piece middle.

Furthermore, one end of the vertical rod, which is far away from the transverse rod, is provided with an arc guiding angle.

Furthermore, the arc-shaped pieces are fixedly arranged on one sides of the vertical rods, which are close to the connecting plate.

Furthermore, the number of the threaded holes is three, and the threaded holes are all in threaded connection with fastening screw rods.

Furthermore, the upper end of the fastening screw rod is fixedly provided with a knob, and the outer wall of the knob is processed with longitudinal anti-skid grains.

Furthermore, the fixed cover of handle outer wall is equipped with anti-skidding rubber sleeve.

Furthermore, anti-skidding convex lines are processed on two surfaces of the connecting piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up two connecting plates and draw eave tile, slide bar, fastening lead screw, free bearing and connection piece, can make the dura mater bag between two connecting plates not receive the extrusion when carrying out the nerve and drawing the hook to reach the purpose that reduces the dura mater bag damage, and can obtain bigger operation field of vision, thereby reduce the operation degree of difficulty, and the length and the angle homoenergetic between handle and the draw eave tile are adjusted, and are more nimble when using.

(2) The utility model discloses a set up and lead arc angle and arc piece, can prevent that the edges and corners of montant bottom and side from damaging the hard membrane bag.

(3) The utility model discloses a set up knob and vertical anti-skidding line, can be convenient for rotate the fastening screw and fix the slide bar, vertical anti-skidding line can increase the non-skid property of knob.

(4) The utility model discloses a set up the anti-skidding rubber sleeve, can increase the non-skid property of handle.

(5) The utility model discloses a set up anti-skidding burr, can increase the coefficient of friction between connection piece and the free bearing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a nerve retractor capable of reducing epidural sac injury according to an embodiment of the invention;

fig. 2 is a schematic structural diagram of a connecting rod in a nerve hook capable of reducing epidural sac injury according to an embodiment of the invention;

fig. 3 is a schematic structural diagram of a connecting piece in a nerve retractor capable of reducing epidural sac injury according to an embodiment of the invention;

fig. 4 is a schematic structural diagram of a hinge seat in a nerve head capable of reducing epidural sac injury according to an embodiment of the invention.

Reference numerals:

1. a connecting rod; 2. pulling the hook head; 3. a grip; 4. a cross bar; 5. a vertical rod; 6. a connecting plate; 7. a circular hole; 8. a slide bar; 9. fastening a screw rod; 10. connecting sheets; 11. hinging seat; 12. perforating; 13. a bolt; 14. a nut; 15. an arc-shaped sheet; 16. a knob; 17. an anti-slip rubber sleeve; 18. anti-skid wales; 19. a threaded bore.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-4, according to an embodiment of the present invention, a nerve hook capable of reducing damage to a dura mater sac comprises a connecting rod 1, a hook head 2 and a handle 3, wherein a cross rod 4 is fixedly disposed at one end of the connecting rod 1, a vertical rod 5 is fixedly disposed at both ends of the cross rod 4, a connecting plate 6 is fixedly disposed at one end of the cross rod 5 away from the cross rod 4, the hook head 2 is fixedly disposed at one end of the connecting plate 6 away from the vertical rod 5, a circular hole 7 is disposed in the other end of the connecting rod 1, a sliding rod 8 is slidably disposed in the circular hole 7, a plurality of threaded holes 19 are disposed on the connecting rod 1, a fastening screw rod 9 is threadedly connected in each threaded hole 19, a connecting piece 10 is fixedly disposed at the outer end of the sliding rod 8, a through hole 12 is disposed in the middle of the connecting piece 10, a hinge base 11, The nut 14 is hinged and fixed.

Through the above technical scheme of the utility model, can make the dura mater bag between two connecting plates 6 not receive the extrusion when carrying out the nerve and drawing and colluding to reach the purpose that reduces the dura mater bag damage, and can obtain bigger operation field of vision, thereby reduce the operation degree of difficulty, and the length and the angle homoenergetic between handle 3 and the drawing hook head 2 are adjusted, and are more nimble when using.

Example two:

referring to fig. 1-2, for the vertical rod 5, an arc guiding angle is disposed at one end of the vertical rod 5 away from the cross rod 4; for the vertical rod 5, arc-shaped pieces 15 are fixedly arranged on one side of the vertical rod 5 close to the connecting plate 6; for the threaded holes 19, the number of the threaded holes 19 is three, and the fastening screw rods 9 are all connected in the threaded holes 19 in a threaded manner.

Through the above technical scheme of the utility model, lead arc angle and arc piece 15 can prevent the edges and corners damage hard membrane bag of 5 bottoms of montant and side.

Example three:

referring to fig. 1-3, for the fastening screw rod 9, the upper end of the fastening screw rod 9 is fixedly provided with a knob 16, and the outer wall of the knob 16 is processed with longitudinal anti-slip lines; for the grip 3, an anti-skid rubber sleeve 17 is fixedly sleeved on the outer wall of the grip 3; for the web 10, the web 10 is provided with anti-slip ribs 18 on both sides.

Through the above technical scheme of the utility model, knob 16 can be convenient for rotate fastening lead screw 9 and fix slide bar 8, and vertical anti-skidding line can increase knob 16's anti-skidding performance, and anti-skidding rubber sleeve 17 can increase grip 3's anti-skidding performance, and anti-skidding burr 18 can increase the coefficient of friction between connection piece 10 and free bearing 11.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, medical staff holds the handle 3 by hand, the hook head 2 is shoveled out from the lower part of nerves, the nerves are put on the connecting plates 6, the nerves are pulled out by holding the handle 3 by hand, the hard membrane sac between the two connecting plates 6 can not be extruded when the nerves are hooked, so that the purpose of reducing the damage of the hard membrane sac is achieved, a larger operation visual field can be obtained, so that the operation difficulty is reduced, the distance between the handle 3 and the hook head 2 can be changed by changing the length of the sliding rod 8 in the connecting rod 1, then the sliding rod 8 can be fixed in the connecting rod 1 by screwing the fastening screw rod 9 through the knob 16, the handle 3 can be rotated along the bolt 13 by unscrewing the nut 14, so that the angle between the handle 3 and the hook head 2 can be adjusted, the fixing of the angle of the handle 3 can be completed by screwing the nut 14 after the adjustment is completed, and the sliding rod 8 can be rotated in the round hole 7, can adjust the position of handle 3 to make this nerve draw and collude more nimble when using, lead arc angle and arc piece 15 can prevent 5 bottoms of montant and the edges and corners damage hard membrane bag of side, vertical anti-skidding line can increase the anti-skidding performance of knob 16, anti-skidding rubber sleeve 17 can increase the anti-skidding performance of handle 3, anti-skidding burr 18 can increase the coefficient of friction between connection piece 10 and free bearing 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The nerve pull hook capable of reducing damage to a dura mater sac is characterized by comprising a connecting rod (1), a pull hook head (2) and a handle (3), wherein a transverse rod (4) is fixedly arranged at one end of the connecting rod (1), vertical rods (5) are fixedly arranged at two ends of the transverse rod (4), a connecting plate (6) is fixedly arranged at one end of each vertical rod (5) far away from the transverse rod (4), the pull hook head (2) is fixedly arranged at one end of each connecting plate (6) far away from the corresponding vertical rod (5), a round hole (7) is formed in the other end of the connecting rod (1), a sliding rod (8) is slidably arranged in the round hole (7), a plurality of threaded holes (19) are formed in the connecting rod (1), fastening screw rods (9) are respectively and threadedly connected in the threaded holes (19), a connecting sheet (10) is fixedly arranged at the outer end of the sliding rod (, one end of the handle (3) is fixedly provided with a hinged support (11), and the hinged support (11) is hinged and fixed with the connecting piece (10) through a bolt (13) and a nut (14).

2. The nerve draw hook capable of reducing epidural sac injury as claimed in claim 1, wherein an arc guiding angle is arranged at one end of each vertical rod (5) far away from the cross rod (4).

3. The nerve draw hook capable of reducing epidural sac injury as claimed in claim 2, wherein the side of the vertical rod (5) close to the connecting plate (6) is fixedly provided with an arc-shaped piece (15).

4. The nerve draw hook capable of reducing epidural sac injury according to claim 1, characterized in that the number of the threaded holes (19) is three and fastening screws (9) are all screwed in the threaded holes (19).

5. The nerve draw hook capable of reducing epidural sac injury as claimed in claim 1, wherein knobs (16) are fixedly arranged at the upper ends of the fastening screw rods (9), and longitudinal anti-skidding lines are processed on the outer walls of the knobs (16).

6. The nerve draw hook capable of reducing epidural sac injury as claimed in claim 1, wherein an anti-slip rubber sleeve (17) is fixedly sleeved on the outer wall of the grip (3).

7. The nerve draw hook capable of reducing the damage of the dura mater sac according to claim 1, wherein the connecting sheet (10) is formed with anti-slip ribs (18) on both surfaces.