CN212630860U

CN212630860U - Puncture needle for dermatological department

Info

Publication number: CN212630860U
Application number: CN202020421472.5U
Authority: CN
Inventors: 李杉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-28
Filing date: 2020-03-28
Publication date: 2021-03-02
Anticipated expiration: 2030-03-28

Abstract

The utility model discloses a pjncture needle for dermatological department, be equipped with the injection tube of three pjncture needle including the bottom, the internally mounted of injection tube has can be at its inside gliding piston, one side that the pjncture needle was kept away from to the piston is fixed with the connecting rod, the one end that the piston was kept away from to the connecting rod has the movable rod through the solid fixed ring swing joint rather than setting up, the outer wall of injection tube prolongs solid fixed ring horizontal direction's diametric (al) direction and is provided with the holding rod, gu fixed ring's inner wall is fixed with the bearing, the inner wall of bearing is fixed with the one end that the holding rod was kept away from to the movable rod, the holding rod is close to its central department and has seted up the activity hole, the inside an organic whole in. Through the cooperation of above each device, can avoid traditional mode injection applied force to arouse pjncture needle activity to can reduce medical staff's the work degree of difficulty in the in-service use, reduce patient's pain.

Description

Puncture needle for dermatological department

Technical Field

The utility model relates to the technical field related to medical equipment in dermatology, in particular to a puncture needle for dermatology.

Background

A dermatology department location pjncture needle for necrotic part based on patent number CN201721773582.2 proposes, it is through the location to the necrotic part of skin, can prevent pulling to good skin, alleviate the misery of disease, and the cutter that is used for necrotic skin cutting settles in the inside of cavity when not using, can make the function of pjncture needle more perfect, but in the in-service use, the injection tube on this pjncture needle upper portion needs medical personnel to prolong vertical direction manual pressurization when using, just can inject the liquid medicine in the affected part, it is unreasonable to avoid can appearing pressure control, lead to the pjncture needle at the affected part activity, increase patient's misery, and the design of injection tube is too simple, can increase medical personnel's the use degree of difficulty, so the urgent need one can further alleviate patient's misery, reduce medical personnel and use the pjncture needle for the dermatology department.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pjncture needle for dermatology to the injection degree of difficulty of the current pjncture needle that provides is higher among the solution above-mentioned background art, can increase the problem that medical personnel used the degree of difficulty.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pjncture needle for dermatological department, includes that the bottom is equipped with the injection tube of three pjncture needle, the internally mounted of injection tube has the piston that can slide in its inside, one side that the pjncture needle was kept away from to the piston is fixed with the connecting rod, the one end that the piston was kept away from to the connecting rod has the movable rod through rather than the solid fixed ring swing joint who sets up as an organic whole, the outer wall of injection tube prolongs solid fixed ring horizontal direction's diameter direction an organic whole and is provided with the holding rod, the center department of.

Preferably, the inner wall of the fixing ring is fixed with a bearing, and the inner wall of the bearing is fixed with one end of the movable rod, which is far away from the holding rod.

Preferably, a movable hole is formed in the position, close to the center, of the holding rod, a limiting rod is integrally arranged inside the movable hole, a movable groove is formed in the side face of the movable rod in a penetrating mode, the movable groove is connected with the limiting rod in an inserting mode, and the length of the movable groove is 4-5 times of the diameter of the limiting rod.

Preferably, the side of the movable rod, which is far away from one end of the bearing, is provided with a notch of an arc structure for holding the thumb, and one side of the movable rod, which is far away from the notch, is of an arc structure which is far away from the holding rod.

Preferably, one end of the holding rod, which is far away from the injection tube, is of an arc-shaped structure, which is far away from the movable rod.

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

1. the utility model discloses, through holding movable rod and holding rod, can make the movable rod use the gag lever post as the fulcrum and execute one along the vertical decurrent power of injection tube with the connecting rod, the piston receives pressure and slides in injection tube inside, oppresses the liquid medicine, and then accomplishes the injection, and this kind of mode can avoid medical staff to arouse the patient pain carrying out the liquid medicine injection to the force of exerting of injection tube to also can save effort more when the liquid medicine injection through lever principle, reduce medical staff's the work degree of difficulty.

2. The utility model discloses, when carrying out the liquid medicine extraction, medical staff only need hold the breach with the thumb, hold the injection tube with the palm, and under lever principle's effect this moment, the connecting rod drives the piston along the vertical upward movement of the inside of injection tube to realize the purpose of extraction liquid medicine, can enough reduce medical staff's the work degree of difficulty through this kind of mode, can make the extraction of liquid medicine more convenient again, improve medical efficiency.

Drawings

FIG. 1 is a partial front sectional view of an injection tube according to an embodiment of the present invention;

fig. 2 is a schematic view of a structure of a holding rod according to an embodiment of the present invention.

In the figure: 1. an injection tube; 2. a piston; 3. a connecting rod; 4. a fixing ring; 41. a bearing; 5. a movable rod; 51. a notch; 6. a holding rod; 7. a movable hole; 8. a limiting rod; 9. a movable groove.

Detailed Description

In order to reduce the difficulty of the puncture needle in injection, reduce the work difficulty of medical personnel and further reduce the pain of patients, the puncture needle for the dermatology is provided. 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.

Example 1

Referring to fig. 1-2, the embodiment provides a puncture needle for dermatology department, comprising an injection tube 1 with three puncture needles at the bottom, a piston 2 capable of sliding in the injection tube 1 is installed in the injection tube 1, a connecting rod 3 is fixed at one side of the piston 2 far away from the puncture needle, one end of the connecting rod 3 far away from the piston 2 is movably connected with a movable rod 5 through a fixing ring 4 integrally arranged with the connecting rod, a holding rod 6 is integrally arranged on the outer wall of the injection tube 1 along the diameter direction of the fixing ring 4 in the horizontal direction, and the center of the holding rod 6 is hinged with the movable rod 5.

A bearing 41 is fixed on the inner wall of the fixed ring 4, and the inner wall of the bearing 41 is fixed with one end of the movable rod 5 far away from the holding rod 6.

The holding rod 6 is provided with a movable hole 7 near the center thereof, a limiting rod 8 is integrally arranged inside the movable hole 7, a movable groove 9 is formed in the side surface of the movable rod 5 in a penetrating mode, the movable groove 9 is connected with the limiting rod 8 in an inserting mode, and the length of the movable groove 9 is 4-5 times of the diameter of the limiting rod 8.

The side surface of the end of the movable rod 5, which is far away from the bearing 41, is provided with a notch 51 of an arc structure for holding the thumb, and the side of the movable rod 5, which is far away from the notch 51, is of an arc structure which is far away from the holding rod 6.

One end of the holding rod 6 far away from the injection tube 1 is of an arc-shaped structure far away from the movable rod 5.

In this embodiment, when handling the skin affected part, utilize the puncture to fix a position to the affected part, later with holding movable rod 5 and holding rod 6, holding rod 6 is fixed with injection tube 1, when the stress of movable rod 5, movable rod 5 takes place relative rotation through the swing joint of activity groove 9 and gag lever post 8 in the inside of activity hole 7, movable rod 5 takes place relative rotation through bearing 41 and solid fixed ring 4, according to lever principle, connecting rod 3 receives one along the vertical decurrent power of 1 inner wall of injection tube this moment, and drive piston 2 and slide in the inside of injection tube 1 together, the liquid medicine receives the pressure between piston 2 and 1 diapire of injection tube and discharges towards the affected part through the injection hole this moment, realize the injection purpose.

Through the cooperation of above each device, can avoid traditional mode injection applied force to arouse pjncture needle activity to can reduce medical staff's the work degree of difficulty in the in-service use, reduce patient's pain.

Example 2

Referring to fig. 1-2, a further improvement is made on the basis of embodiment 1: the side that bearing 41 one end was kept away from to movable rod 5 has been seted up circular arc type structure and has been used for the thumb to hold breach 51 that closes, one side that breach 51 was kept away from to movable rod 5 is the circular-arc structure of keeping away from towards holding rod 6, when carrying out the liquid medicine extraction, medical staff only need hold breach 51 with the thumb, syringe 1 is held to the palm, this moment under lever principle's effect, connecting rod 3 drives piston 2 along the vertical upward movement of the inside of syringe 1, and realize the purpose of extraction liquid medicine, can enough reduce medical staff's the work degree of difficulty through this kind of mode, can make the extraction of liquid medicine more convenient again, and the medical efficiency is improved.

In the embodiment, when in use, the fixing rod 101 is fixedly connected with one end of the trapezoid structure of the connecting rod 102, the axial outer surface wall of the fixing rod 101 is provided with the limiting groove 2, the use of the bayonet 1 is facilitated by the arrangement of the limiting groove 2, the limiting effect is achieved, the convenience is provided for subsequent use, then the steering screw is punched by the bayonet 103 under the action of the fixing rod 101 and the connecting rod 102 by using an external press, the press deforms the bayonet 103 and the matched part of the screw extrusion hole, enters the bayonet groove generated by the bayonet extrusion, and is further processed and formed, the number of the original bayonet 103 is increased by arranging twelve bayonet 103, the contact area between the bayonet 103 and the steering screw can be increased, the bayonet 103 is further prevented from being damaged during extrusion, the service life of the bayonet 103 is prolonged, the usability is improved, and the structure is simple, is convenient to use.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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 puncture needle for dermatological department comprises an injection tube (1) with three puncture needles arranged at the bottom, and is characterized in that: the injection device is characterized in that a piston (2) capable of sliding in the injection tube (1) is installed in the injection tube, a connecting rod (3) is fixed on one side, away from the puncture needle, of the piston (2), one end, away from the piston (2), of the connecting rod (3) is movably connected with a movable rod (5) through a fixing ring (4) integrally arranged with the connecting rod, a holding rod (6) is integrally arranged on the outer wall of the injection tube (1) in the diameter direction extending to the horizontal direction of the fixing ring (4), and the center of the holding rod (6) is hinged to the movable rod (5).

2. A dermatological puncture needle according to claim 1, characterized in that: the inner wall of the fixed ring (4) is fixed with a bearing (41), and the inner wall of the bearing (41) is fixed with one end of the movable rod (5) far away from the holding rod (6).

3. A dermatological puncture needle according to claim 2, characterized in that: the handle rod (6) is close to the center of the handle rod and is provided with a movable hole (7), a limiting rod (8) is integrally arranged in the movable hole (7), a movable groove (9) is formed in the side face of the movable rod (5) in a penetrating mode, the movable groove (9) is connected with the limiting rod (8) in an inserting mode, and the length of the movable groove (9) is 4-5 times of the diameter of the limiting rod (8).

4. A dermatological puncture needle according to claim 2, characterized in that: the side of one end, far away from the bearing (41), of the movable rod (5) is provided with a notch (51) of an arc-shaped structure for holding the thumb, and one side, far away from the notch (51), of the movable rod (5) is of an arc-shaped structure far away from the holding rod (6).

5. A dermatological puncture needle according to claim 4, characterized in that: one end of the holding rod (6) far away from the injection tube (1) is of an arc-shaped structure far away from the movable rod (5).