CN211066790U

CN211066790U - Nerve drag hook capable of being attracted

Info

Publication number: CN211066790U
Application number: CN201921432802.4U
Authority: CN
Inventors: 刘佐忠
Original assignee: Yongchuan Hospital of Chongqing Medical University
Current assignee: Yongchuan Hospital of Chongqing Medical University
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-07-24
Anticipated expiration: 2029-08-30

Abstract

The utility model belongs to the technical field of the medical apparatus, concretely relates to suction nerve drag hook, including pull rod and attraction pipe, it sets up on the pull rod to attract the pipe, attract and install the joint on the pipe, the articulate has aspirator, its characterized in that: pull rod one end integrated into one piece has the drag hook, another pot head is equipped with the handle, the intraductal axial integrated into one piece of attraction has the separation cover, forms the cavity through separation cover and attraction intraductal wall, attract the pipe to set up the vary voltage groove with the cavity intercommunication, the separation cover is close to the joint and sets up the through-hole with attracting the pipe intercommunication, the handle corresponds the position cover in the vary voltage groove and is equipped with adjusting sleeve, adjusting sleeve includes integrated into one piece's connecting cylinder and adjusting sleeve, the intercommunicating pore has been seted up on the connecting cylinder, the connecting cylinder spiro union is on attracting the pipe, is used for solving current area and attracts the neural drag hook of pipe can't make timely regulation through neural drag hook itself according to the user demand, and the inconvenient.

Description

Nerve drag hook capable of being attracted

Technical Field

The utility model belongs to the technical field of medical apparatus, concretely relates to can inhale neural drag hook.

Background

The eye nerve retractor is an instrument necessary for nerve operation, is used for retracting nerves and is convenient for operation, the traditional nerve retractor is usually composed of a retractor and a handle, and some defects exist in the nerve retracting process: for example, the light is not enough, the controllability is not good, the blood that the tissue in the operation oozes, also can influence going on of operation, therefore, bring certain inconvenience for medical work, blood for reducing the tissue oozing in the operation is to the influence of operation at present, it connects the aspirator to lead to setting up the suction tube more, produce the negative pressure through the aspirator and absorb oozing blood, although can avoid oozing blood to the influence of operation, but the surgeon can't make timely regulation through nerve drag hook itself according to the user demand when adjusting suction size, can only call other people to adjust the aspirator, it is comparatively inconvenient to use, influence going on of operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: aims to provide a nerve retractor capable of being sucked, which is used for solving the problem that the existing nerve retractor with a suction tube cannot be adjusted in time through the nerve retractor according to the use requirement, and the operation is inconvenient to use and the operation is affected.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a nerve retractor capable of being sucked, which comprises a pull rod and a suction tube, wherein the suction tube is arranged on the pull rod, the suction tube is provided with a joint which is connected with a suction apparatus, one end of the pull rod is integrally formed with a drag hook, the other end is sleeved with a handle, the handle is sleeved outside the suction tube, a separation cover and the inner wall of the suction tube form a cavity body are axially and integrally formed in the suction tube, the suction tube is provided with a pressure-changing groove communicated with the cavity, the separation cover is provided with a through hole communicated with the suction tube near the joint, the handle is sleeved with an adjusting sleeve at the position corresponding to the pressure changing groove, the adjusting sleeve comprises a connecting cylinder and an adjusting sleeve which are integrally formed, the connecting cylinder is provided with a communicating hole, the suction tube is provided with an external thread, the connecting cylinder is provided with an internal thread, the connecting cylinder is screwed on the suction tube, and the adjusting sleeve is slidably adjusted on the handle.

On the basis of the technical scheme, the utility model discloses following improvement has still been made:

furthermore, scales are arranged on the handle. In the adjusting process, the moving adjusting distance is convenient to know through the scales so as to know the opening amount of the variable pressure tank.

Furthermore, the adjusting sleeve is provided with anti-skid lines. The surface friction resistance of the adjusting sleeve is increased through the anti-skid lines, and the use is convenient.

Furthermore, both ends of the separation cover are provided with round corners. By the design of the rounded corners. Reduce the blood flow resistance of being attracted in the suction tube, make blood pass through the through-hole simultaneously, can be better avoid blood to get into and separate the cover inside.

Further, the end part of the suction tube is provided with a spherical hole, so that the end part of the suction tube is smooth by arranging the spherical hole, and the nerve of a patient is prevented from being damaged when the suction tube moves.

Furthermore, the side wall of the suction tube is provided with an auxiliary suction hole. The design of the auxiliary suction hole avoids that the spherical hole is blocked by blood clots, so that the suction tube can not be normally used.

Adopt above-mentioned technical scheme's utility model, have following advantage:

1. the connecting cylinder and the suction tube generate relative displacement by rotating the adjusting sleeve, so that the pressure-changing groove gradually opens balanced pressure intensity, and the negative pressure intensity in the suction tube is reduced, namely the suction force can be adjusted by the adjusting sleeve, so that an operator can adjust the suction force in time according to the use requirement, and the use is convenient;

2. avoid in the attraction process through setting up the cage, avoid oozing blood and ooze through the vary voltage groove when the vary voltage groove, avoid using the back to be difficult to the clearance.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural view of an embodiment of the nerve retractor capable of being attracted according to the present invention;

fig. 2 is a schematic view of a longitudinal section structure of the nerve retractor capable of being attracted according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

fig. 4 is a schematic longitudinal sectional structure view of an adjusting sleeve according to an embodiment of the present invention;

fig. 5 is a schematic structural view of the absorbable nerve retractor after the adjustment cylinder is removed;

the main element symbols are as follows:

the suction device comprises a pull rod 1, a suction tube 2, a spherical hole 21, an auxiliary suction hole 22, an external thread 23, a pressure-changing groove 24, a through hole 251, a round corner 252, a handle 3, a scale 31, an adjusting sleeve 4, a connecting cylinder 41, an adjusting sleeve 42, a communication hole 43, an internal thread 44 and a joint 5.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in figures 1-5, the utility model relates to a nerve retractor capable of being sucked, which comprises a pull rod 1 and a suction tube 2, wherein the suction tube 2 is arranged on the pull rod 1, a connector 5 is arranged on the suction tube 2, the connector 5 is connected with a suction apparatus, one end of the pull rod 1 is integrally formed with a retractor 11, the other end is sleeved with a handle 3, the handle 3 is sleeved outside the suction tube 2, a separation cover 25 is axially integrally formed in the suction tube 2, the separation cover 25 and the inner wall of the suction tube 2 form a cavity, the suction tube 2 is provided with a pressure-changing groove 24 communicated with the cavity, the separation cover 25 is provided with a through hole 251 communicated with the suction tube 2 near the connector 5, the handle 3 is sleeved with an adjusting sleeve 4 at a position corresponding to the pressure-changing groove 24, the adjusting sleeve 4 comprises an integrally formed connecting cylinder 41 and an adjusting sleeve 42, the connecting cylinder 41 is provided with a communicating hole 43, the connecting cylinder 41 is screwed on the suction tube 2, and the adjusting sleeve 42 is slidably adjusted on the handle 3.

Specifically, the scale 31 is arranged on the handle 3, and in the adjusting process, the moving adjusting distance can be conveniently known through the scale 31, so that the opening amount of the variable pressure groove 24 can be conveniently known; the adjusting sleeve 42 is provided with anti-skid lines. The surface friction resistance of the adjusting sleeve 42 is increased through the anti-skid lines, and the use is convenient.

Specifically, the partition cover 25 is provided with rounded corners 252 at both ends. By the design of rounded corners 252. The flow resistance of the blood sucked in the suction tube 2 is reduced, and the blood can be better prevented from entering the separating cover 25 when the blood passes through the through hole 251.

Specifically, the end part of the suction tube 2 is provided with a spherical hole 21, and the end part of the suction tube 2 is smooth by arranging the spherical hole 21, so that the nerve of a patient is prevented from being damaged when the suction tube 2 moves; the side wall of the suction tube 2 is provided with an auxiliary suction hole 22. The design of the auxiliary suction hole 22 avoids that the spherical hole 21 is blocked by blood clots, which causes the suction tube 2 to be incapable of being used normally.

When the device is used, a surgeon goes deep into an operation area through one end with the draw hook 11, draws nerves through the draw hook 11, and sucks exuded tissue blood through the suction tube 2 to avoid influencing the operation; when the suction force needs to be adjusted, the pull rod 1 is held to rotate the adjusting sleeve 42, so that the connecting cylinder 41 and the suction tube 2 which are in threaded connection generate relative displacement to open the pressure-changing groove 24 to balance the pressure, and the suction force of the suction tube 2 is adjusted.

The above is to the utility model provides a pair of the nerve drag hook capable of being attracted is introduced in detail. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a neural drag hook of adsorbable, includes pull rod (1) and attracts pipe (2), attract pipe (2) to set up on pull rod (1), attract and install on pipe (2) and connect (5), connect (5) and be connected with aspirator, its characterized in that: the utility model discloses a draw rod, including pull rod (1), handle (3), suction pipe (2), partition cover (25) and suction pipe (2) inner wall form the cavity, suction pipe (2) is seted up with vary voltage groove (24) that the cavity communicates, partition cover (25) are close to joint (5) and are seted up through-hole (251) with suction pipe (2) intercommunication, handle (3) is equipped with adjusting sleeve (4) in vary voltage groove (24) corresponding position cover, adjusting sleeve (4) include integrated into one piece's connecting cylinder (41) and adjusting sleeve (42), intercommunicating pore (43) have been seted up on connecting cylinder (41), be equipped with external screw thread (23) on suction pipe (2), be equipped with internal thread (44) on connecting cylinder (41), the connecting cylinder (41) is screwed on the suction tube (2), and the adjusting sleeve (42) is slidably adjusted on the handle (3).

2. The nerve retractor as claimed in claim 1, wherein: scales (31) are arranged on the handle (3).

3. The nerve retractor as claimed in claim 2, wherein: the adjusting sleeve (42) is provided with anti-skid lines.

4. The nerve retractor as claimed in claim 1, wherein: and both ends of the separation cover (25) are provided with round corners (252).

5. The nerve retractor as claimed in claim 1, wherein: the end part of the suction tube (2) is provided with a spherical hole (21).

6. The nerve retractor as claimed in claim 5, wherein: the side wall of the suction tube (2) is provided with an auxiliary suction hole (22).