CN203815712U - Drag hook used for cochlear implant operation - Google Patents

Abstract

The utility model is used for a retractor for cochlear implant surgery, which includes a handle, a connecting rod, an arc groove and a supporting section, the upper end of the connecting rod is connected with the lower end of the handle, and the lower end of the connecting rod is fixedly connected with the arc groove. The left end and the right end of the arc-shaped groove are affixed to the support section, the handle and the arc-shaped groove are located on the same side of the connecting rod, and the body of the arc-shaped groove faces away from the handle. The whole device has the advantages of simple structure, convenient operation, various functions and low cost, and is in line with the trend of medical development.

Description

Retractors for cochlear implant surgery

technical field

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

Background technique

 With the development of the economy and the improvement of people's living standards, cochlear implantation is becoming more and more popular. As a relatively delicate operation, the convenience of surgical instruments will provide more direct assistance to the success of the operation. Existing retractors for cochlear surgery on the market have many defects such as affecting the scope of operation and visual field, and being prone to fatigue after long-term operation when they are used clinically.

Utility model content

In order to solve the above problems, the utility model provides a retractor for cochlear implant surgery, which solves the problems of poor operation effect and easy fatigue.

The utility model adopts the following technical scheme: a retractor for cochlear implant surgery, which is characterized in that it includes a handle, a connecting rod, an arc groove and a support section, the upper end of the connecting rod is connected to the lower end of the handle, and the connecting rod The lower end of the lower end is affixed to the left end of the arc groove, the right end of the arc groove is affixed to the support section, the handle and the arc groove are located on the same side of the connecting rod, and the groove body of the arc groove faces away from the handle.

Preferably, the arc surface of the arc groove is elliptical.

Preferably, the handle is provided with anti-skid lines.

Further, the handle includes a tapered handle and a stripper, the rear end of the stripper is affixed to the right end of the tapered handle, and the left end of the tapered handle is affixed with a screw, and the screw is threaded with the The upper end of the connecting rod is connected.

Preferably, the rear end of the stripper is screwed to the right end of the handle.

Further, the side of the arc-shaped groove is provided with a suction port, and the side of the upper part of the connecting rod is provided with an outlet, and the suction port and the outlet are connected through a suction pipe, and the suction pipe is arranged between the connecting rod and the arc-shaped groove. internal.

The beneficial effects of the utility model are:

1. The design of the arc section provides a larger operating space for the use of the drill, and the arc surface is more attached to the scalp, reducing the tension on the scalp.

2. A U-shaped structure is formed between the handle, the connecting rod and the arc section, which is more in line with the principles of human mechanics, more labor-saving and more efficient.

3. The handle is designed to be detachable, and the handle is enlarged, which conforms to the shape of the human hand to reduce fatigue. It can be used as a stripper with the wedge-shaped connection end connected to it.

4. The suction port, outlet and suction tube are set up, which can be connected to the negative pressure tube of the suction device to clean up the effusion during the operation at any time.

5. The whole device has the advantages of simple structure, convenient operation, various functions and low cost, which is very in line with the trend of medical development.

Description of drawings

Fig. 1 is a schematic diagram of the front view structure of an embodiment of the present utility model;

Fig. 2 is the structural representation of another embodiment of the present utility model.

In the figure: 1 handle, 11 anti-slip pattern, 12 handle, 13 peeler, 14 screw, 2 connecting rod, 21 outlet, 3 arc groove, 31 groove body, 32 suction port, 4 support section, 5 suction tube.

Detailed ways

As shown in Figure 1, a pull hook of an embodiment comprises a handle 1, a connecting rod 2, an arc groove 3 and a support section 4, the upper end of the connecting rod 2 is connected to the lower end of the handle 1, and the connecting rod 2 The lower end is affixed to the left end of the arc-shaped groove 3, the right end of the arc-shaped groove 3 is affixed to the support section 4, the handle 1 is set to conform to the shape of the human palm, and the handle 1 is provided with anti-slip lines 11, so The arc surface of the arc groove 3 is elliptical, so that the entire arc groove 3 is shaped like a spoon, the handle 1 and the arc groove 3 are located on the same side of the connecting rod 2, and the groove body 31 of the arc groove Turn away from the handle.

When in use, the groove body 1 faces the drill surface, and the right end of the support section 4 is fixed on the skull surface, and the scalp is supported by the arc surface.

As shown in Figure 2, another embodiment of the draw hook includes a handle 1, a connecting rod 2, an arc groove 3, a support section 4 and a suction tube 5, and the handle 1 includes a tapered handle 12 and a stripper 13, The front end of the stripper 13 is a smooth arc structure, the rear end of the stripper 13 is connected with the right end of the tapered handle 12 by threads, and the left end of the tapered handle 12 is fixedly connected with a screw rod 14. The handle 12 of the handle 1 is set to conform to the shape of the palm of the human body, and the handle 12 of the handle 1 is provided with anti-skid lines 11; Connect the left end of arc groove 3, the side of described connecting rod 2 top is provided with outlet 21; The side is provided with a suction port 32, the right end of the arc-shaped groove 3 is fixedly connected to the support section 4, and the suction pipe 5 is arranged inside the connecting rod 2 and the arc-shaped groove 3 to communicate with the suction port and the outlet. The handle 1 and the arc-shaped groove 3 are located on the same side of the connecting rod 2, and the groove body 31 of the arc-shaped groove faces away from the handle.

During use, first handle 1 is pulled down, utilize handle 12 and dissector 13, mastoid and top, occipital subcutaneous tissue and periosteum are bluntly separated to fully expose bony part, then take off dissector 13 separately, and then Reinstall the handle 12 and connect the suction device to the outlet 21. Then, fix the supporting section 4 on the surface of the skull, and pull the handle 1 backwards and upwards with the hand to expose the crown and pillow to be operated as much as possible. On the bone surface, the drill works in the cranial area under the groove body 31 of the arc groove 3, and the saline of flushing flows to the suction port 32, and enters the suction device through the suction tube 5 and the outlet 21, thereby keeping the operation field clean and clear.

During operation, the placement position of the retractor should be adjusted in time according to the position of the surgical operation. the

Except the structure described in the utility model, all the other are prior art.

The above is only a preferred embodiment of the utility model, and for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, and these improvements and modifications are also regarded as It is the protection scope of the utility model.

Claims (6)

1. A retractor for cochlear implant surgery, characterized in that it comprises a handle, a connecting rod, an arc groove and a support section, the upper end of the connecting rod is connected to the lower end of the handle, and the lower end of the connecting rod is affixed to the arc The left end of the groove and the right end of the arc groove are affixed to the support section, the handle and the arc groove are located on the same side of the connecting rod, and the groove body of the arc groove faces away from the handle. 2 . The retractor for cochlear implant surgery according to claim 1 , wherein the arc surface of the arc groove is elliptical. 3. The retractor for cochlear implant surgery according to claim 1 or 2, characterized in that the handle is provided with anti-slip lines. 4. The retractor for cochlear implant surgery according to claim 3, wherein the handle comprises a tapered handle and a stripper, the rear end of the stripper is affixed to the right end of the tapered handle, so A threaded rod is fixedly connected to the left end of the tapered handle, and the threaded rod is connected to the upper end of the connecting rod. 5. The retractor for cochlear implant surgery according to claim 4, characterized in that, the side of the arc-shaped groove is provided with a suction port, the side of the upper part of the connecting rod is provided with an outlet, and the suction port and the outlet pass through The suction pipe communicates, and the suction pipe is arranged inside the connecting rod and the arc-shaped groove. 6 . The retractor for cochlear implant surgery according to claim 5 , characterized in that, the rear end of the stripper is screwed to the right end of the handle.