CN215960508U

CN215960508U - Traction device for skull operation

Info

Publication number: CN215960508U
Application number: CN202122007826.9U
Authority: CN
Inventors: 张婷婷; 钟和平; 周桂安
Original assignee: Chongqing Daqing Biology Co ltd
Current assignee: Chongqing Daqing Biology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-08
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a traction device for skull surgery, which comprises a head connecting ring and a traction sleeve, wherein the head connecting ring is connected with the head of a patient, the traction sleeve is internally provided with a cavity, a traction threaded rod is arranged in the cavity, a rotating rod is arranged outside one side of the traction sleeve, which is far away from the head connecting ring, a main gear is arranged in the cavity of the traction sleeve in a penetrating manner, one end of the rotating rod is provided with a pinion which is meshed with the main gear, one side of the traction sleeve, which is close to the head connecting ring, is provided with an adjusting rod, and one end of the adjusting rod is fixedly connected with the head connecting ring. Simple structure, convenient to use drives master gear and pinion through rotating the dwang and rotates, and then drives and pull the threaded rod and adjust, and then has avoided traditional draw gear staff to notice and will touch and lead to the problem of draw gear skew.

Description

Traction device for skull operation

Technical Field

The utility model relates to the technical field of medical treatment, in particular to a traction device for skull surgery.

Background

Skull traction is used for treating cervical vertebra fracture dislocation and the like, and a skull traction device is adopted to apply traction force to the head of a patient. The existing skull traction device comprises a traction bow, a connecting rope, a pulley and a weight, wherein the traction bow is connected with the skull of a patient, the connecting rope bypasses the pulley, two ends of the connecting rope are connected with the traction bow and the weight, and the traction bow is applied with pulling force by the gravity of the weight.

The existing traction device is inconvenient to use, and when the traction device is used, workers can touch the traction device carelessly, so that the traction device is deviated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a traction device for skull surgery, which solves the problems that the conventional traction device is inconvenient to use, and a worker can touch a traction primer without paying attention to the traction device when using the traction device, so that the traction device is deviated.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a draw gear for skull surgery, is including connecting in the head go-between of patient's head and pulling the letter, pull the inside of letter and seted up the cavity, the internally mounted of cavity has the traction threaded rod, it keeps away from to pull the letter one side externally mounted of head go-between has the dwang, the one end of dwang runs through extremely install the master gear in the cavity of pulling the letter, the internally mounted of cavity have with master gear meshing's pinion, it is close to pull the letter one side of head go-between installs the regulation pole, the one end of adjusting the pole with head go-between fixed connection.

Further, one side of the adjusting rod, which is far away from the head connecting ring, penetrates through and extends into the cavity of the head connecting ring.

Furthermore, a spring is arranged in the cavity of the head connecting ring, and one end of the spring is in contact with one end of the adjusting rod.

Furthermore, a limiting ball is arranged in a cavity of the head connecting ring and is arranged between the spring and the traction threaded rod.

Furthermore, a limiting block is fixedly connected to the lower end of the main gear in the cavity of the head connecting ring and used for limiting the traction threaded rod.

Compared with the prior art, the utility model has the beneficial effects that:

the traction device for skull surgery is simple in structure and convenient to use, the main gear and the pinion are driven to rotate through the rotating rod, and then the traction threaded rod is driven to adjust, and the problem that a traditional traction device worker can touch a traction object carelessly and then the traction device deviates is solved.

Drawings

FIG. 1 is a structural view of a traction apparatus for skull surgery according to the present invention;

FIG. 2 is a cross-sectional view of the present invention in an installed configuration for towing purposes;

FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;

in the figure: 1. a head connecting ring; 2. adjusting a rod; 3. drawing is simple; 31. a cavity; 4. drawing the threaded rod; 5. a limiting ball; 6. rotating the rod; 7. a spring; 8. a main gear; 9. a pinion gear; 10. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the case of the example 1, the following examples are given,

referring to fig. 1-3, in an embodiment of the present invention, a traction device for skull surgery includes a head connection ring 1 and a traction barrel 3 connected to a head of a patient, a cavity 31 is formed inside the traction barrel 3, a traction threaded rod 4 is installed inside the cavity 31, a rotating rod 6 is installed outside a side of the traction barrel 3 away from the head connection ring 1, a main gear 8 is installed inside the cavity 31 of the traction barrel 6, a secondary gear 9 engaged with the main gear 8 is installed inside the cavity 31, an adjustment rod 2 is installed on a side of the traction barrel 3 close to the head connection ring 1, and one end of the adjustment rod 2 is fixedly connected to the head connection ring 1.

In this embodiment, by rotating the dwang 6 clockwise, the dwang 6 drives the master gear 8 and rotates, and the master gear 8 drives the pinion 9 and rotates, drives through the pinion 9 and pulls the threaded rod 4 and rotate downwards, pulls the one end extrusion spacing ball 5 of threaded rod 4, and spacing ball 5 pushes down spring 7, and then fixes.

In the process of traction, continuous adjustment back is carried out according to the recovery condition of a patient, and when the adjustment back is carried out, the rotating rod 6 is rotated anticlockwise, and then the threaded rod 4 is adjusted back and pulled through the auxiliary gear 9, and then traction is carried out.

The side of the adjusting rod 2 far away from the head connecting ring 1 penetrates and extends into the cavity 31 of the head connecting ring 1.

The spring 7 is installed in the cavity 31 of the head connecting ring 1, one end of the spring 7 is in contact with one end of the adjusting rod 2, the limiting effect is achieved through the spring 7, and the traction effect is further achieved.

The cavity 31 of the head connecting ring 1 is internally provided with a limiting ball 5, and the limiting ball 5 is arranged between the spring 7 and the traction threaded rod 4.

A limiting block 10 is fixedly connected to the lower end of the main gear 8 in the cavity 31 of the head connecting ring 1 and used for limiting the traction threaded rod 4.

The theory of operation, install head go-between 1 in patient's head, through clockwise rotation dwang 6, dwang 6 drives master gear 8 and rotates, master gear 8 drives pinion 9 and rotates, drive through pinion 9 and pull threaded rod 4 and rotate downwards, pull the one end extrusion spacing ball 5 of threaded rod 4, spacing ball 5 pushes down spring 7, and then fix, at the in-process that pulls, can rotate dwang 6 counterclockwise, and then pull threaded rod 4 through the 9 callbacks of pinion, and then pull.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a draw gear for skull surgery, its characterized in that, including connecting in head go-between (1) of patient's head and drawing simple (3), cavity (31) have been seted up to the inside of drawing simple (3), the internally mounted of cavity (31) has traction threaded rod (4), it keeps away from to draw simple (3) one side externally mounted of head go-between (1) has dwang (6), the one end of dwang (6) runs through to install master gear (8) in cavity (31) of drawing simple (3), the internally mounted of cavity (31) have with pinion (9) of master gear (8) meshing, it is close to draw simple (3) one side of head go-between (1) is installed and is adjusted pole (2), the one end of adjusting pole (2) with head go-between (1) fixed connection.

2. The skull surgery distraction device according to claim 1, characterized in that the side of the adjustment rod (2) remote from the head connection ring (1) extends through and into the cavity (31) of the head connection ring (1).

3. The skull surgery traction device according to claim 2, characterized in that a spring (7) is mounted in the cavity (31) of the head connection ring (1), and one end of the spring (7) and one end of the adjustment rod (2) are in contact with each other.

4. A traction device for skull surgery according to claim 3 characterized in that a limiting ball (5) is mounted in the cavity (31) of the head connection ring (1), said limiting ball (5) being mounted between said spring (7) and said threaded traction rod (4).

5. The skull surgery traction device according to claim 1, characterized in that a limiting block (10) is fixedly connected to the lower end of the main gear (8) in the cavity (31) of the head connection ring (1) for limiting the traction threaded rod (4).