CN217090792U

CN217090792U - Novel fixing device for retractor for craniocerebral operation

Info

Publication number: CN217090792U
Application number: CN202123098013.1U
Authority: CN
Inventors: 梁洪生
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-08-02
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a novel fixing device for a retractor for craniocerebral operations, which comprises a main body structure and two fixing bolts; the main body structure comprises a first arc plate, a second arc plate and a unfilled corner rectangular frame, the first arc plate and the second arc plate are connected in an inscribed mode, and the first arc plate is connected with one corner of the unfilled corner rectangular frame and is located at a diagonal position with a unfilled corner; the two fixing bolts are in threaded connection with two sides of the unfilled corner rectangular frame and are perpendicular to each other. The utility model discloses can provide stable fulcrum of laying for snakelike retractor, simple structure, low price's characteristics have realized the majority function of other complicated devices again, can install fast and dismantle, save the apparatus preparation time and do benefit to the beginner and master, facilitate for neurosurgery, its cheap price can reduce the economic burden of administrative or technical offices and patient simultaneously, do benefit to and popularize and apply to basic unit's hospital, benefit to the civilian.

Description

Novel fixing device for retractor for craniocerebral operation

Technical Field

The utility model relates to the technical field of surgical operation instruments, in particular to a novel fixing device for a retractor for craniocerebral operations.

Background

The craniocerebral operation retracting system is one of important components of craniocerebral operation instruments, the head frame is required to fix the head of a patient in the current clinical majority of craniocerebral operations, and the retractor fixing device is used for providing a stable placing fulcrum for the retractor after the retractor is fixed on the head frame. The retractor fixing device used clinically at present has complex structure and complex installation, not only increases the preparation time of the instrument, but also brings great difficulty to the later maintenance of the instrument and is not convenient for beginners to master and use. In addition, the current retractor systems on the market are expensive, ranging from thousands to tens of thousands, which is a heavy burden for patients and is not suitable for popularization and use in primary hospitals.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fixing device for cranium brain operation retractor, simple structure, low price and can realize the fixing device of most of the device functions of the same kind 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 novel fixing device for a retractor for craniocerebral operations comprises a main body structure and two fixing bolts; the main body structure comprises a first arc plate, a second arc plate and a unfilled corner rectangular frame, the first arc plate and the second arc plate are connected in an inscribed mode, and the first arc plate is connected with one corner of the unfilled corner rectangular frame and is located at a diagonal position with a unfilled corner; the two fixing bolts are in threaded connection with two sides of the unfilled corner rectangular frame and are perpendicular to each other.

As the utility model discloses a novel fixing device is preferred for cranium brain operation retractor, the major structure adopts wide 16mm, the stainless steel plate preparation of thick 5 mm.

As the novel fixing device for the retractor for craniocerebral operations of the utility model is preferred, the first arc plate is fixed with the hanging ring.

As an optimization of the novel fixing device for the craniocerebral operation retractor of the utility model, the first circular arc plate is 1/4 circular arcs with the radius of 107.5mm, and the second circular arc plate is 1/30 circular arcs with the radius of 357.5 mm.

As the utility model discloses a novel fixing device is preferred for cranium brain operation retractor, be fixed with the cushion on the inside wall of major structure.

As the utility model discloses a novel fixing device is preferred for cranium brain operation retractor, the length and width of unfilled corner rectangle frame is 70mm and 45mm respectively, one of them fixing bolt's length is 70mm, another fixing bolt's length is 40 mm.

As the utility model discloses a novel fixing device for cranium brain operation retractor is preferred, two fixing bolt all includes screw rod, nut and nut, screw rod threaded connection is in the both sides and the mutually perpendicular of unfilled corner rectangle frame unfilled corner, nut threaded connection or welding the one end of screw rod, the nut is fixed on the other end of screw rod.

As the utility model discloses a novel fixing device for cranium brain operation retractor is preferred, the nut is the square structure that the length of side is 14mm, thick is 1mm thick.

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

the device can be firmly fixed on a Mayfield headstock special for the craniocerebral operation by matching two fixing bolts with a unfilled-corner rectangular frame, so that a stable placing fulcrum is provided for the snake-shaped retractor, and the retractor is installed by an arc structure consisting of a first arc plate and a second arc plate.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic view of the head frame arm installed in the craniocerebral operation of the present invention.

In the figure: 1. a body structure; 101. a first arc plate; 102. a second arc plate; 103. a unfilled corner rectangular frame; 2. fixing the bolt; 201. a screw; 202. a nut; 203. a nut; 3. hanging a ring; 4. a soft cushion.

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.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution:

a novel fixing device for a retractor for craniocerebral operations comprises a main body structure 1, wherein the main body structure 1 is made of a stainless steel plate with the width of 16mm and the thickness of 5mm, and a cushion 4 is fixed on the inner side wall of the main body structure 1, so that the comfort level of a patient can be improved when the head of the patient is positioned; major structure 1 includes first circular arc board 101, second circular arc board 102 and unfilled corner rectangle frame 103, first circular arc board 101 and second circular arc board 102 inscribe the connection mutually, first circular arc board 101 is radius 107.5 mm's 1/4 circular arcs, second circular arc board 102 is radius 357.5 mm's 1/30 circular arcs, be fixed with link 3 on the first circular arc board 101, utilize link 3 to conveniently hang the device and put, first circular arc board 101 is connected with unfilled corner rectangle frame 103 one corner and is located diagonal position with the unfilled corner, unfilled corner rectangle frame 103's length and width is 70mm and 45m respectively.

This a novel fixing device for cranium brain operation retractor still includes two fixing bolt 2, two 2 threaded connection of fixing bolt are at both sides and mutually perpendicular of unfilled corner rectangle frame 103 unfilled corner, one of them fixing bolt 2 long is 70mm, another fixing bolt 2 long is 40mm, two fixing bolt 2 all include screw rod 201, nut 202 and nut 203, screw rod 201 threaded connection is on both sides and mutually perpendicular of unfilled corner rectangle frame 103 unfilled corner, nut 202 threaded connection or welding are in the one end of screw rod 201, nut 203 is fixed on the other end of screw rod 201, nut 203 is the length of side and is 14mm, thick square structure that is 1mm thick.

The structure principle is as follows: by pulling the nut 203 to tighten the screw 201 inward, the nut 202 on the screw 201 is matched with the unfilled rectangular frame 103 to fix the arm for accommodating the craniocerebral operation headstock, so that the device is fixed on the headstock.

When the device is required to be used in clinical operation, the size of the square-structured nut 203 with the side length of 14mm and the thickness of 1mm is matched with a No. 14 wrench by installing and using the device by the method, so that the device can be operated manually or by using a No. 14 wrench matched with a head frame of the craniocerebral operation.

The device can be installed in the suitable position of cranium brain operation head frame arm according to the actual demand of operation, and the retractor can be installed in the optional position of 1 arc device of major structure according to the concrete demand of operation, and this utility model's flexibility is strong with the suitability, gives the convenient maximize of neurosurgery.

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. A novel fixing device for a retractor for craniocerebral operations, which is characterized in that: comprises a main body structure (1) and two fixing bolts (2); the main body structure (1) comprises a first arc plate (101), a second arc plate (102) and a unfilled corner rectangular frame (103), the first arc plate (101) is internally tangent to the second arc plate (102), and the first arc plate (101) is connected with one corner of the unfilled corner rectangular frame (103) and is positioned at a diagonal position with the unfilled corner; two fixing bolt (2) threaded connection is in both sides and mutually perpendicular of unfilled corner rectangle frame (103) unfilled corner, two fixing bolt (2) all include screw rod (201), nut (202) and nut (203), screw rod (201) threaded connection is in both sides and mutually perpendicular of unfilled corner rectangle frame (103) unfilled corner, nut (202) threaded connection or welding the one end of screw rod (201), nut (203) are fixed on the other end of screw rod (201).

2. The new fixation device for a craniocerebral surgical retractor according to claim 1, characterized in that: the main body structure (1) is made of a stainless steel plate with the width of 16mm and the thickness of 5 mm.

3. The new fixation device for a craniocerebral surgical retractor according to claim 1, characterized in that: and a hanging ring (3) is fixed on the first arc plate (101).

4. The new fixation device for a craniocerebral surgical retractor according to claim 1, characterized in that: the first circular arc plate (101) is an 1/4 circular arc with the radius of 107.5mm, and the second circular arc plate (102) is a 1/30 circular arc with the radius of 357.5 mm.

5. The new fixation device for a craniocerebral surgical retractor according to claim 1, characterized in that: and a cushion (4) is fixed on the inner side wall of the main body structure (1).

6. The new fixation device for a craniocerebral surgical retractor according to claim 1, characterized in that: the length and the width of the unfilled corner rectangular frame (103) are respectively 70mm and 45mm, one of the fixing bolts (2) is 70mm, and the other fixing bolt (2) is 40 mm.

7. The new fixation device for a craniocerebral surgical retractor according to claim 1, characterized in that: the screw cap (203) is of a square structure with the side length of 14mm and the thickness of 1 mm.