CN209751158U - Special needle knife for treating protrusion of intervertebral disc - Google Patents

Abstract

The utility model discloses a special needle knife for treating intervertebral disc protrusion, which relates to the field of medical instruments and comprises a knife handle seat, a knife handle cover, a needle body, a sliding base, a rack and a dial wheel, wherein the knife handle cover is detachably connected with the knife handle seat through a screw, the sliding base is fixed on the knife handle seat, the sliding base is provided with a chute, the rack is connected in the chute in a sliding way, the tooth surface of the rack is meshed with the dial wheel, the dial wheel is rotationally connected between the knife handle seat and the knife handle cover, one side of the dial wheel extends to the outer side of the knife handle cover, the needle body passes through the knife handle cover and is connected with the lower end of the rack, the utility model improves the traditional connecting mode of the needle body and the knife handle, adopts the dial wheel to drive the rack to slide up and down to realize the adjustment of the length of the needle body, and positions the rack through screwing a knob, one needle knife can be used for various occasions, so that the material cost is saved, and the operation is convenient and fast.

Description

Special needle knife for treating protrusion of intervertebral disc

Technical Field

The utility model belongs to the field of medical equipment, concretely relates to special needle sword of herniated disk treatment.

Background

The small needle knife is developed and formed by combining a modern medical surgical scalpel on the basis of a needle, a sharp needle and the like in an ancient nine-needle, is a product organically combined with a soft tissue release operation, has a history of more than ten years, has a trend of further development in recent years and is regarded by people in the world, the small needle knife therapy is a closed release operation between an operation method and a non-operation therapy, is formed by combining an incisional operation method, and is characterized in that harmful tissues are easily cut and stripped from a deep part of a treatment part to a lesion part to achieve the purposes of relieving pain and removing diseases, the adaptation symptoms of the small needle knife therapy are mainly soft tissue injury lesion and osteoarthropathy, the small needle knife therapy has the advantages of simple operation in a treatment process and no limitation of any environment and condition, the incision is small during treatment, no suture is needed, and the damage to human tissues is small, the traditional Chinese medicine composition is not easy to cause infection, has no adverse reaction, has no obvious pain and fear for patients, does not need rest after operation, and has short treatment time, short treatment course and easy acceptance by patients.

Most of the existing needle knives for treating the herniated disk in the hospital adopt an integrated structure, the length of the needle knife cannot be adjusted, and if the needle knives with other lengths are needed, the corresponding models need to be selected, so that the purchase quantity is large, and the cost is higher. For CN205514785U discloses a little needle sword includes the needle body and the handle that is connected with the needle body, the needle body comprises needle body and cutting edge two parts, the cutting edge is located the terminal needle body and cutting edge as integrated into one piece, the needle body is cylindrical, a serial communication port, the handle includes portion of gripping and connecting portion, the needle body top penetrates connecting portion and links firmly mutually with it, it has dull polish granule to distribute on the both ends face of portion of gripping for discoid and portion of gripping, dull polish granule cuts apart the both ends face of portion of gripping and forms taiji picture shape, the middle part of the both ends face of portion of gripping has inside sunken pit, the width of cutting edge equals with the diameter of needle body, the both ends of cutting edge width direction are provided with the fillet. It still does not solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special needle sword of intervertebral disc protrusion treatment to solve the above-mentioned defect that leads to among the prior art.

The utility model provides a special needle sword of herniation of intervertebral disc treatment, includes handle of a knife seat, handle of a knife lid, needle body, sliding base, rack and thumb wheel, the handle of a knife lid passes through the screw and can dismantle with the handle of a knife seat and be connected, sliding base is fixed in on the handle of a knife seat, the last spout that is equipped with of sliding base, rack sliding connection in the spout and the flank of tooth of rack and thumb wheel meshing, the thumb wheel specifically is cylindrical straight-teeth gear, the thumb wheel rotates to be connected in the handle of a knife seat between the handle of a knife lid and its one side extends to the outside of handle of a knife lid, the needle body passes the handle of a knife lid and connects in the lower extreme of rack, sliding base's side still threaded connection has the screw.

Preferably, a notch matched with the shifting wheel is formed in the side face of the knife handle cover.

Preferably, the plane shape of the tool handle seat is circular.

Preferably, the needle body is fixedly connected with the rack or in threaded connection with the rack.

Preferably, the side surface of the needle body is provided with scale marks.

Preferably, the knife handle seat, the knife handle cover, the sliding base, the rack, the thumb wheel, the screw and the knob are all made of stainless steel materials.

The utility model has the advantages that: through improving the connected mode of traditional needle body and handle of a knife, adopt the thumb wheel to drive the rack and slide from top to bottom in order to realize the adjustment of needle body length to fix a position the rack through screwing up the knob, solved the unable problem of adjusting of needle body part length in traditional interior needle sword, a needle sword can be used for multiple occasion, has saved material cost, and the simple operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the utility model with the handle cover removed.

Fig. 3 is a sectional view of the upper portion of the needle body of the present invention.

Fig. 4 is a schematic structural view of the handle cover of the present invention.

The device comprises a knife handle base 1, a knife handle cover 2, a needle body 3, a sliding base 4, a rack 5, a thumb wheel 6, a sliding groove 7, a through hole 8, a screw rod 9, a scale mark 10 and a knob 11.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 4, the special needle knife for treating the herniated disk comprises a knife handle base 1, a knife handle cover 2, a needle body 3, a sliding base 4, a rack 5 and a dial wheel 6, wherein the knife handle cover 2 is detachably connected with the knife handle base 1 through a screw, the sliding base 4 is fixed on the knife handle base 1, the sliding base 4 is provided with a sliding groove 7, the rack 5 is slidably connected in the sliding groove 7, the tooth surface of the rack 5 is meshed with the dial wheel 6, the dial wheel 6 is a cylindrical straight gear, the dial wheel 6 is rotatably connected between the knife handle cover 2 and the knife handle base 1, one side of the dial wheel extends to the outer side of the knife handle cover 2, the side of the knife handle cover 2 is provided with a notch matched with the dial wheel 6, the needle body 3 penetrates through the knife handle cover 2 and is connected to the lower end of the rack 5, the bottom of the knife handle cover 2 is provided with a through hole 8 for the needle body 3 to penetrate through, the outer end of the screw rod 9 passes through the handle cover 2 and is connected with a knob 11.

In the present embodiment, the planar shape of the holder 1 is a circle, and other shapes may be adopted.

In this embodiment, the needle body 3 and the rack 5 are fixedly connected or screwed, preferably fixedly connected.

In this embodiment, the side surface of the needle body 3 is provided with scale lines 10, and the distance between the scale lines 10 is set according to the requirement, such as 5cm and 6cm … …, so that the length parameter of the needle body 3 can be easily checked when the length is adjusted.

In the present embodiment, the tool holder base 1, the tool holder cover 2, the sliding base 4, the rack 5, the thumb wheel 6, the screw 9 and the knob 11 are all made of stainless steel materials.

The utility model discloses when using, finger thumb wheel 6 drives rack 5 and slides from top to bottom in order to realize the adjustment of 3 lengths of needle body to through screwing up knob 11, thereby rack 5 is fixed a position to the 9 butts of screw rod in the side of rack 5.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims (6)

1. The special needle knife for treating the herniated disk is characterized by comprising a knife handle seat (1), a knife handle cover (2), a needle body (3), a sliding base (4), a rack (5) and a shifting wheel (6), wherein the knife handle cover (2) is detachably connected with the knife handle seat (1) through screws, the sliding base (4) is fixed on the knife handle seat (1), a sliding groove (7) is formed in the sliding base (4), the rack (5) is connected in the sliding groove (7) in a sliding manner, the tooth surface of the rack (5) is meshed with the shifting wheel (6), the shifting wheel (6) is specifically a cylindrical straight-tooth wheel, the shifting wheel (6) is rotatably connected between the knife handle seat (1) and the knife handle cover (2), one side of the rack is extended to the outer side of the knife handle cover (2), the needle body (3) penetrates through the knife handle cover (2) and is connected to the lower end of the rack (5), and the side of the sliding base (4) is further connected with a screw rod (9, the outer end of the screw rod (9) penetrates through the cutter handle cover (2) and is connected with a knob (11).

2. The needle knife special for treating the herniated disk, according to claim 1, is characterized in that: a notch matched with the shifting wheel (6) is arranged on the side surface of the knife handle cover (2).

3. The needle knife special for treating the herniated disk, according to claim 2, is characterized in that: the plane shape of the tool handle seat (1) is circular.

4. The needle knife special for treating the herniated disk, according to claim 3, is characterized in that: the needle body (3) is fixedly connected or in threaded connection with the rack (5).

5. The needle knife special for treating the herniated disk, according to claim 4, is characterized in that: the side surface of the needle body (3) is provided with scale marks (10).

6. The needle knife special for treating the herniated disk, according to claim 4, is characterized in that: the knife handle seat (1), the knife handle cover (2), the sliding base (4), the rack (5), the dial wheel (6), the screw rod (9) and the knob (11) are all made of stainless steel materials.