CN218792346U

CN218792346U - Cranium neck junction area retractor for neurosurgery

Info

Publication number: CN218792346U
Application number: CN202221890126.7U
Authority: CN
Inventors: 谢天浩; 冯煜; 航盖; 程聪
Original assignee: General Hospital of Central Theater Command of PLA
Current assignee: General Hospital of Central Theater Command of PLA
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-04-07
Anticipated expiration: 2032-07-20

Abstract

The utility model discloses a neurosurgery is with cranium neck junctional zone retractor, including the retractor body, the retractor body includes half pincers on a left side and half pincers on the right side, rotate through the hinge pin between half pincers on a left side and the half pincers on the right side and connect, the equal threaded connection of one end of half pincers on a left side and half pincers on the right side has the arm that pulls out, it pulls out the hook to be equipped with on the outer wall of arm to pull out, be connected with the gag lever post on the inner wall of half pincers on a left side, the spacing groove with gag lever post looks adaptation is seted up to the inside of half pincers on the right side, the gag lever post slides in the inside of spacing groove, logical groove has been seted up to the bottom of spacing groove, the inside sliding connection of spacing groove has the activity post, the inboard fixedly connected with card post of activity post, the bottom fixedly connected with connecting rod of activity post. This is novel can make the card post block on the gag lever post at any time through the cooperation between pull ring, connecting rod, activity post and the spring, realizes the injecing to the gag lever post to can guarantee that half pincers on the left side and half pincers on the right side can maintain certain open the angle inconvenient.

Description

Retractor for craniocervical junction area for neurosurgery operation

Technical Field

The utility model relates to the technical field of retractors, in particular to a cranial neck junction area retractor for neurosurgery.

Background

The retractor is also called a draw hook, is used for retracting tissues, exposing an operation field and is convenient to explore and operate, and can be divided into a handheld draw hook and an automatic draw hook. The retractor has various specifications of different shapes and sizes, and can be selected according to the operation requirement.

When its left half pincers and right half pincers open certain angle at the in-process that uses of current retractor, can not keep the invariant of this angle at any time, the doctor must with the hand maintain this angle can, it is convenient inadequately to use, for this reason the utility model provides a neurosurgery is with cranium neck junction area retractor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cranial neck junction area retractor for neurosurgery operation, which solves the problems in the background technology.

The utility model provides a neurosurgery is with cranium neck junctional zone retractor, including the retractor body, the retractor body includes half pincers on a left side and half pincers on the right side, rotate through the hinge pin between half pincers on a left side and the right side pincers and connect, the equal threaded connection of one end of half pincers on a left side and half pincers on the right side has the arm that pulls out, it pulls out the hook to be equipped with on the outer wall of arm to pull out, be connected with the gag lever post on the inner wall of half pincers on a left side, the spacing groove with gag lever post looks adaptation is seted up to the inside of half pincers on the right side, the gag lever post slides in the inside of spacing groove, logical groove has been seted up to the bottom, the inside sliding connection of spacing groove has the activity post, the inboard fixedly connected with card post of activity post, the bottom fixedly connected with connecting rod of activity post, the bottom through groove of connecting rod runs through the pull ring and extends to the below that leads to logical groove, and the bottom fixedly connected with of connecting rod has the spring, be connected with between the inner wall in connecting rod and logical groove.

Preferably, the top of one end of the limiting rod is fixedly connected with a limiting clamping rod.

Preferably, one side of the limiting rod, which is close to the clamping column, is provided with an arc groove.

Preferably, the bottom ends of the left half pliers and the right half pliers are fixedly connected with handle rings.

Compared with the prior art, the technical scheme of the application has the beneficial effects that: the utility model discloses a cooperation between pull ring, connecting rod, activity post and the spring can make the card post block on the gag lever post at any time, realizes the injecing to the gag lever post to can guarantee that half pincers on the left side and half pincers on the right side can maintain certain open the angle inconvenient.

Drawings

FIG. 1 is a first schematic view of a cranium-cervical junction area retractor for neurosurgery of the present invention;

fig. 2 is a second structural schematic diagram of the craniocervical junction area retractor for neurosurgery of the present invention;

FIG. 3 is a schematic view of a third structure of the retractor for cranium-cervical junction area for neurosurgery of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 2.

1. A left half of the pliers; 2. a right half clamp; 3. a hinge pin; 4. a retracting arm; 5. retracting the hook; 6. a limiting rod; 7. a limiting groove; 8. a through groove; 9. a movable post; 10. clamping the column; 11. a connecting rod; 12. a pull ring; 13. a spring; 14. a limiting clamping rod; 15. an arc groove; 16. a handle ring.

Detailed Description

In the following, the embodiments of the present invention will be described in detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a neurosurgery is with cranium neck junction area retractor, refer to fig. 1-4, including the retractor body, the retractor body includes half pincers 1 on the left side and half pincers 2 on the right side, rotate through hinge pin 3 between half pincers 1 on the left side and half pincers 2 on the right side and connect, the equal threaded connection of one end of half pincers 1 on the left side and half pincers 2 on the right side has distraction arm 4, be equipped with on the outer wall of distraction arm 4 and pull out hook 5, be connected with gag lever post 6 on half pincers 1 on the inner wall on the left side, the spacing groove 7 with 6 looks adaptations of gag lever post 7 is seted up to half pincers 2 on the right side's inside, gag lever post 6 slides in the inside of spacing groove 7, logical groove 8 has been seted up to the bottom of spacing groove 7, the inside sliding connection of spacing groove 7 has activity post 9, the inboard fixedly connected with card post 10 of activity post 9, the bottom fixedly connected with connecting rod 11 of connecting rod 11 runs through groove 8 and extends to the below that leads to logical groove 8, and the bottom fixedly connected with 12 of connecting rod 11, be connected with spring 13 between the inner wall of connecting rod 11 and pull ring 8. One side of the limiting rod 6 close to the clamping column 10 is provided with an arc groove 15.

It is demonstrated that the retraction hook of the present application can accurately match the "V" angle of the craniocervical interface region. The longest tooth is positioned at the middle, namely the lowest point of the cranium-cervical junction area, and the teeth at the two ends are sequentially shortened, so that the teeth adapt to the sequentially-lightened cranium-cervical junction area muscles, and the cranium-cervical junction area is exposed to the greatest extent.

In this embodiment, when the retractor body is used, when the left half forceps 1 and the right half forceps 2 are opened, the pull ring 12 is pulled, the pull ring 12 drives the connecting rod 11 to move, the extension spring 13 makes the clamp column 10 far away from the limiting rod 6, and the limitation on the limiting rod 6 is removed, so that the angle between the left half forceps 1 and the right half forceps 2 can be easily adjusted, when the left half forceps 1 and the right half forceps 2 form a required angle, the pull ring 12 is loosened, and under the action of the spring 13, the clamp column 10 is clamped in the arc groove 15 formed on the surface of the limiting rod 6.

The top of one end of the limiting rod 6 is fixedly connected with a limiting clamping rod 14.

The bottom ends of the left half pliers 1 and the right half pliers 2 are fixedly connected with handle rings 16.

The above is only the part or the preferred embodiment of the present invention, no matter the characters or the drawings can not limit the protection scope of the present invention, all under the whole concept of the present invention, the equivalent structure transformation performed by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the protection scope of the present invention.

Claims

1. A cranium-cervical junction area retractor for neurosurgery operation, which is characterized by comprising a retractor body, the retractor body comprises a left half clamp (1) and a right half clamp (2), the left half tong (1) and the right half tong (2) are rotationally connected through a hinge pin (3), one end of each of the left half forceps (1) and the right half forceps (2) is connected with a distraction arm (4) through screw threads, a retracting hook (5) is arranged on the outer wall of the retracting arm (4), a limiting rod (6) is connected on the inner wall of the left half forceps (1), a limiting groove (7) matched with the limiting rod (6) is arranged inside the right half plier (2), the limiting rod (6) slides in the limiting groove (7), a through groove (8) is arranged at the bottom of the limiting groove (7), a movable column (9) is connected inside the limiting groove (7) in a sliding manner, the inner side of the movable column (9) is fixedly connected with a clamping column (10), the bottom of the movable column (9) is fixedly connected with a connecting rod (11), the bottom end of the connecting rod (11) penetrates through the through groove (8) and extends to the lower part of the through groove (8), and the bottom end of the connecting rod (11) is fixedly connected with a pull ring (12), and a spring (13) is connected between the connecting rod (11) and the inner wall of the through groove (8).

2. The craniocervical interface area retractor for the neurosurgery according to claim 1, characterized in that a limiting clamping rod (14) is fixedly connected to the top of one end of the limiting rod (6).

3. The cranial-cervical junction area retractor for neurosurgery according to claim 1, wherein one side of the limiting rod (6) close to the clamping column (10) is provided with a circular arc groove (15).

4. The cranium-cervical junction area retractor for neurosurgery according to claim 1, characterized in that a handle ring (16) is fixedly connected to the bottom end of each of the left forceps half (1) and the right forceps half (2).