CN210494144U

CN210494144U - Neurosurgery retractor

Info

Publication number: CN210494144U
Application number: CN201920110136.6U
Authority: CN
Inventors: 王斌
Original assignee: First Affiliated Hospital of Anhui Medical University
Current assignee: First Affiliated Hospital of Anhui Medical University
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2020-05-12
Anticipated expiration: 2029-01-23

Abstract

The utility model discloses a neurosurgery retractor, which comprises a left fixing rod, a left clamping plate, a right fixing rod, a right clamping plate, an upper fixing rod, a left clamp and a right clamp, wherein the right end of the left fixing rod is rotatably connected with the left end of the right fixing rod, the top of the left fixing rod and the top of the right fixing rod are both provided with a nut and fixedly connected, the outer sides of the screws are fixedly connected with a rotating handle, the inner sides of the left and the right screws are respectively rotatably connected with the left clamping plate and the right clamping plate, the top of the nut is provided with the upper fixing rod, the upper part of the upper fixing rod is rotatably connected with a rotating piece, the rotating piece is internally provided with a fixing sleeve, the fixing sleeve is internally provided with a first positioning pipe and fixedly connected, the opposite sides of the left and the right first positioning pipes are respectively provided with a first screw rod, after the skin of an affected part of a patient is clamped by, the device is more flexible when being retracted, and the sight of a doctor is prevented from being shielded.

Description

Neurosurgery retractor

Technical Field

The utility model relates to a surgical instrument, in particular to a retractor for neurosurgery.

Background

The retractor is also called a draw hook, is used for retracting tissues, exposes the range needing an operation, 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.

The common retractor is similar to scissors in shape, when the retractor is used, a doctor needs to hold the retractor by hands, the retractor is inconvenient to fix and can only be symmetrically retracted, the retractor is not convenient enough when single-side retraction is carried out, and the retractor is easy to slide after retraction. Accordingly, one skilled in the art provides a neurosurgical retractor to solve the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a neurosurgery retractor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a neurosurgery retractor, which comprises a left fixing rod, a left splint, a right fixing rod, a right splint, an upper fixing rod, a left clamp and a right clamp, the right end of the left fixed rod is rotationally connected with the left end of the right fixed rod, the top of the left fixed rod and the top of the right fixed rod are both provided with nuts which are fixedly connected, a screw rod is arranged in the screw nut, the outer side of the screw rod is fixedly connected with the rotating handle, the inner sides of the left screw rod and the right screw rod are respectively and rotatably connected with the left clamping plate and the right clamping plate, the top of the nut is provided with an upper fixed rod, the upper part of the upper fixed rod is rotationally connected with a rotating part, a fixed sleeve is arranged in the rotating part, a first positioning pipe is arranged in the fixed sleeve and is fixedly connected with the fixed sleeve, the opposite sides of the left first positioning pipe and the right first positioning pipe are respectively provided with a first screw rod, the opposite ends of the left first screw rod and the right first screw rod are respectively provided with a left clamp and a right clamp, the first screw rod is provided with a first nut, and the first nut is rotatably connected with the first positioning pipe.

As a further aspect of the present invention: the left clamp and the right clamp are symmetrically arranged and have the same structure.

As a further aspect of the present invention: the right clamp comprises a right Z-shaped rod, a left chuck, a right chuck and a fixed table, the lower end of the right Z-shaped rod is fixedly connected with the left chuck, the lower end of the left Z-shaped rod is fixedly connected with the right chuck, a fixed shaft is arranged at the rear end of the joint of the left Z-shaped rod and the right chuck, the rear end of the fixed shaft is inserted at the joint of the right Z-shaped rod and the left chuck, and the front end of the fixed shaft is inserted in the first screw and is rotationally connected with the first screw.

As a further aspect of the present invention: the left Z-shaped rod right end is provided with a second positioning pipe and is connected in a rotating mode, the right Z-shaped rod left end is provided with a rotating table and is connected in a rotating mode, the rotating table left end is fixedly connected with a second screw rod, the second screw rod left end is inserted into the second positioning pipe, a second nut is arranged on the second screw rod, and the second nut is connected with the second positioning pipe in a rotating mode.

As a further aspect of the present invention: spacing holes are formed in the first positioning pipe and the second positioning pipe, limiting blocks are fixedly arranged on the first screw rod and the second screw rod, the limiting blocks are inserted into the spacing holes, and the limiting blocks and the spacing holes are regular hexagonal prisms.

As a further aspect of the present invention: the inner sides of the left splint and the right splint are provided with cotton pads.

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

the utility model discloses structurally the design is simple reasonable, use convenient operation swift, the practicality is very high, place patient affected part left and right sides in respectively with left splint and right splint, it makes left splint or right splint to move to the inboard to rotate the turning handle, press from both sides tight patient's health, and fix whole device with this, it is more convenient when fixed, and adjustable device's central point puts, after cliping patient affected part skin through left anchor clamps and right anchor clamps, it can draw skin to rotate first nut again, anchor clamps rotate with first screw rod and be connected, first registration arm rotates with last dead lever and is connected, make the device when drawing in more nimble, prevent to shelter from doctor's sight.

Drawings

Fig. 1 is a schematic structural view of a neurosurgical retractor.

Figure 2 is an enlarged partial view a of the neurosurgical retractor.

In the figure: 1-left fixed rod, 2-screw rod, 3-turning handle, 4-screw nut, 5-left splint, 6-upper fixed rod, 7-rotating part, 8-fixed sleeve, 9-first positioning tube, 10-limiting hole, 11-first screw, 12-first nut, 13-right fixed rod, 14-right splint, 15-left clamp, 16-right clamp, 161-right Z-shaped rod, 162-left Z-shaped rod, 163-second positioning tube, 164-second nut, 165-second screw, 166-rotating table, 167-left chuck, 168-right chuck and 169-fixed shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, in an embodiment of the present invention, a neurosurgery retractor comprises a left fixing rod 1, a left splint 5, a right fixing rod 13, a right splint 14, an upper fixing rod 6, a left clamp 15 and a right clamp 16, wherein a right end of the left fixing rod 1 is rotatably connected to a left end of the right fixing rod 13, a nut 4 is fixedly connected to a top of the left fixing rod 1 and a top of the right fixing rod 13, a screw rod 2 is disposed in the nut 4, an outer side of the screw rod 2 is fixedly connected to a rotating handle 3, inner sides of the left and right screw rods 2 are rotatably connected to the left splint 5 and the right splint 14, the upper fixing rod 6 is disposed at a top of the nut 4, the upper portion of the upper fixing rod 6 is rotatably connected to a rotating member 7, a fixing sleeve 8 is disposed in the rotating member 7, a first positioning tube 9 is fixedly connected to the fixing sleeve 8, opposite sides of the, the opposite ends of the left and right first screw rods 11 are respectively provided with a left clamp 15 and a right clamp 16, the first screw rods 11 are provided with first nuts 12, and the first nuts 12 are rotatably connected with the first positioning pipe 9.

The left clamp 15 and the right clamp 16 are symmetrically arranged and have the same structure.

The right clamp 16 comprises a right Z-shaped rod 161, a left Z-shaped rod 162, a left chuck 167, a right chuck 168 and a fixed shaft 169, the lower end of the right Z-shaped rod 161 is fixedly connected with the left chuck 167, the lower end of the left Z-shaped rod 162 is fixedly connected with the right chuck 168, the rear end of the joint of the left Z-shaped rod 162 and the right chuck 168 is provided with the fixed shaft 169, the rear end of the fixed shaft 169 is inserted at the joint of the right Z-shaped rod 161 and the left chuck 167, and the front end of the fixed shaft 169 is inserted in the first screw 11 and is rotatably connected with the first screw.

The right end of the left Z-shaped rod 162 is provided with a second positioning pipe 163 and is rotatably connected, the left end of the right Z-shaped rod 161 is provided with a rotating platform 166 and is rotatably connected, the left end of the rotating platform 166 is fixedly connected with a second screw rod 165, the left end of the second screw rod 165 is inserted into the second positioning pipe 163, a second nut 164 is arranged on the second screw rod 165, and the second nut 164 is rotatably connected with the second positioning pipe 163.

The first positioning pipe 9 and the second positioning pipe 163 are internally provided with a limiting hole 10, the first screw rod 11 and the second screw rod 165 are fixedly provided with limiting blocks, the limiting blocks are inserted into the limiting hole 10, and the limiting blocks and the limiting hole 10 are in regular hexagonal prism shapes.

The inner sides of the left splint 5 and the right splint 14 are both provided with cotton pads.

The utility model discloses a theory of operation is:

the utility model relates to a neurosurgery retractor, in the use, place patient affected part (like thigh) left and right sides respectively with left splint 5 and right splint 14, it makes left splint 5 or right splint 14 move to the inboard to rotate turning handle 3, press from both sides tight patient's shank, and with this fixed whole device, after cliping patient affected part skin through left anchor clamps 15 and right anchor clamps 16, rotate first nut 12 again and can draw skin, anchor clamps rotate with first screw rod 11 and be connected, first registration arm 9 rotates with last dead lever 6 and is connected, make the device more nimble when drawing, prevent to shelter from doctor's sight.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. A neurosurgery retractor comprises a left fixing rod (1), a left clamping plate (5), a right fixing rod (13), a right clamping plate (14), an upper fixing rod (6), a left clamp (15) and a right clamp (16), and is characterized in that the right end of the left fixing rod (1) is rotatably connected with the left end of the right fixing rod (13), both the top of the left fixing rod (1) and the top of the right fixing rod (13) are provided with a screw nut (4) and fixedly connected, a screw rod (2) is arranged in the screw nut (4), the outer side of the screw rod (2) is fixedly connected with a rotating handle (3), the inner sides of the left screw rod (2) and the right screw rod (2) are respectively rotatably connected with the left clamping plate (5) and the right clamping plate (14), the top of the screw nut (4) is provided with the upper fixing rod (6), the upper part of the upper fixing rod (6) is rotatably connected with a, be provided with first registration arm (9) and fixed connection in fixed cover (8), control two first registration arm (9) opposite sides and all be provided with first screw rod (11), control two first screw rod (11) looks remote site and be provided with left anchor clamps (15) and right anchor clamps (16) respectively, be provided with first nut (12) on first screw rod (11), first nut (12) are connected with first registration arm (9) rotation.

2. Neurosurgical retractor according to claim 1, wherein the left clamp (15) and the right clamp (16) are symmetrically arranged and structurally identical.

3. The neurosurgical retractor according to claim 1, wherein the right clamp (16) comprises a right Z-shaped rod (161), a left Z-shaped rod (162), a left chuck (167), a right chuck (168) and a fixed shaft (169), the lower end of the right Z-shaped rod (161) is fixedly connected with the left chuck (167), the lower end of the left Z-shaped rod (162) is fixedly connected with the right chuck (168), the rear end of the joint of the left Z-shaped rod (162) and the right chuck (168) is provided with the fixed shaft (169), the rear end of the fixed shaft (169) is inserted at the joint of the right Z-shaped rod (161) and the left chuck (167), and the front end of the fixed shaft (169) is inserted in the first screw (11) and is rotatably connected.

4. The neurosurgical retractor according to claim 3, wherein the right end of the left Z-shaped rod (162) is provided with a second positioning tube (163) and is rotatably connected, the left end of the right Z-shaped rod (161) is provided with a rotating platform (166) and is rotatably connected, the left end of the rotating platform (166) is fixedly connected with a second screw (165), the left end of the second screw (165) is inserted into the second positioning tube (163), the second screw (165) is provided with a second nut (164), and the second nut (164) is rotatably connected with the second positioning tube (163).

5. The neurosurgical retractor according to claim 1, wherein the first positioning tube (9) and the second positioning tube (163) are each provided with a limiting hole (10), the first screw (11) and the second screw (165) are each fixedly provided with a limiting block, the limiting blocks are inserted into the limiting holes (10), and the limiting blocks and the limiting holes (10) are each in a regular hexagonal prism shape.

6. Neurosurgical retractor according to claim 1, wherein the left splint (5) and the right splint (14) are each provided with a cotton pad on the inside.