CN218651964U

CN218651964U - A dermatology department location pjncture needle for necrotic part

Info

Publication number: CN218651964U
Application number: CN202222296794.3U
Authority: CN
Inventors: 胡新红
Original assignee: Air Force Medical University of PLA
Current assignee: Air Force Medical University of PLA
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-03-21
Anticipated expiration: 2032-08-30

Abstract

The utility model provides a dermatology department location pjncture needle for necrosis position relates to skin puncture ware field, including a location section of thick bamboo, the inside sliding connection of a location section of thick bamboo has a medicament section of thick bamboo, fixed surface is connected with the push rod on the medicament section of thick bamboo, medical personnel adjust the extending distance of baffle in a medicament section of thick bamboo, when the screw thread piece moves towards the baffle direction, reduce the flow and the velocity of flow of liquid medicine, when the screw thread piece orientation is changeed the direction and is removed, increase the flow and the velocity of flow of liquid medicine, liquid medicine passes through inside the drain pipe entering pjncture needle main part, and it is internal through the inside direct patient that gets into of pjncture needle main part, play spacing effect to a medicament section of thick bamboo through positioning bolt, the accuracy of the depth of puncture has been guaranteed, easily cause the damage of patient's degree of depth skin at the in-process of using, bring unnecessary wound pain for the patient, it is comparatively inconvenient to have solved current pjncture needle use, can not pour into liquid medicine and the problem of uncontrollable liquid medicine flow and velocity of flow in the puncture.

Description

A dermatology department location pjncture needle for necrotic part

Technical Field

The utility model relates to the technical field of skin puncture outfits, in particular to a positioning puncture needle for a necrotic part in dermatology.

Background

The dermatology mainly treats various skin diseases, common skin diseases comprise psoriasis, eczema, urticaria, herpes, pyogenic bacteria infection, scars, various tinea, folliculitis, alopecia areata, alopecia and the like, the skin covers the whole body, and the skin has barrier effects on two aspects: on one hand, the loss of water, electrolytes and other substances in the body is prevented, on the other hand, the invasion of external physical, mechanical, chemical and pathogenic microorganisms is prevented, the stability of the internal environment of the human body is kept, the physiologically important protection function is played, meanwhile, the skin is also involved in the metabolic process of the human body, and the skin consists of epidermis, dermis and subcutaneous tissues and contains accessory organs, blood vessels, lymphatic vessels, nerves, muscles and the like. Some patients with necrosis at skin sites are frequently diagnosed in dermatology, and for the skin necrosis sites, the patients usually need to inject drugs to remove the necrosis sites.

The existing puncture needle is inconvenient to use, medical liquid medicine cannot be conveniently injected into the necrotic part by medical staff when the medical staff treat the necrotic part, and the puncture needle cannot effectively control the flow and the flow velocity of the medical liquid medicine entering the necrotic part.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the following problems existing in the prior art: the existing puncture needle is inconvenient to use, medical liquid medicine cannot be conveniently injected into the necrotic part by medical staff when the medical staff treats the necrotic part, and the puncture needle cannot effectively control the flow and the flow velocity of the medical liquid medicine entering the necrotic part.

In order to solve the problems existing in the prior art, the utility model provides a positioning puncture needle for the dermatological department of necrotic parts, which comprises a positioning cylinder, wherein the inside sliding connection of the positioning cylinder is provided with a medicament cylinder, and the upper surface of the medicament cylinder is fixedly connected with a push rod.

The medicament tube inner wall inlays to establish and installs the flow box, flow box surface one side is equipped with changes the handle, change one side fixedly connected with threaded rod near the flow box, threaded rod surface swing joint has the screw thread piece, the screw thread piece is kept away from the one side fixedly connected with spring of changing the handle, spring opposite side fixedly connected with baffle, medicament tube outer surface fixed through connection has the feed liquor pipe, the one end that medicament tube was kept away from to the feed liquor pipe is equipped with sealing rubber, medicament tube lower surface fixed connection has pjncture needle main part, medicament tube lower surface center department fixed through connection has the drain pipe.

A plurality of positioning holes are formed in one side of the outer surface of the positioning cylinder at equal intervals, and a positioning bolt is movably connected inside one of the positioning holes through threads.

The threaded rod rotates and runs through the flow case and is close to the one end of changeing the handle, flow case one end seted up with baffle assorted run through the groove, baffle sliding connection runs through inslot wall, the flow case is kept away from the one end of changeing the handle and is set up inside the medicament section of thick bamboo.

The liquid inlet pipe and the rotating handle are the same in size, and the outer surface of the positioning cylinder is provided with a movable groove matched with the liquid inlet pipe and the rotating handle.

The screw thread piece surface both sides are fixedly connected with gag lever post respectively, flow case inner wall both sides all seted up with gag lever post assorted spacing groove, gag lever post sliding connection in spacing inslot wall.

The liquid inlet pipe and the liquid outlet pipe are both communicated with the medicament cylinder, the positioning cylinder and the puncture needle body are both arranged into two-end penetrating structures, and the liquid outlet pipe is arranged inside the puncture needle body.

Compared with the prior art, the invention has the beneficial effects that medical staff can adjust the extending distance of the baffle plate in the medicament cylinder, when the thread block moves towards the baffle plate, the flow and the flow speed of liquid medicine are reduced, when the thread block moves towards the rotating handle, the flow and the flow speed of the liquid medicine are increased, the liquid medicine enters the puncture needle main body through the liquid outlet pipe and directly enters the body of a patient through the inside of the puncture needle main body, the positioning bolt has a limiting effect on the medicament cylinder, the accuracy of the puncture depth is ensured, the deep skin of the patient is not easily damaged in the using process, and unnecessary pain is brought to the patient.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic sectional view of the whole structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a positioning cylinder; 11. positioning holes; 12. positioning a bolt; 13. sealing rubber; 14. a liquid outlet pipe; 15. a puncture needle main body; 16. a liquid inlet pipe; 2. a push rod; 3. a medicament cartridge; 31. a flow box; 32. turning a handle; 33. a threaded rod; 34. a thread block; 35. a limiting rod; 36. a spring; 37. and a baffle plate.

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. 1-3, a positioning puncture needle for a necrotic area in dermatology comprises a positioning cylinder 1, a medicament cylinder 3 is slidably connected inside the positioning cylinder 1, and a push rod 2 is fixedly connected to the upper surface of the medicament cylinder 3.

3 inner walls of medicament section of thick bamboo are inlayed and are established flow box 31, flow box 31 surface one side is equipped with changes 32, change 32 one side fixedly connected with threaded rod 33 that is close to flow box 31, threaded rod 33 surface swing joint has screw block 34, screw block 34 is kept away from and is changeed one side fixedly connected with spring 36 of 32, spring 36 opposite side fixedly connected with

baffle

37, 3 outer fixed surface through connection of medicament section of thick bamboo has feed liquor pipe 16, the one end that medicament section of thick bamboo 3 was kept away from to feed liquor pipe 16 is equipped with sealing

rubber

13, 3 lower fixed surface of medicament section of thick bamboo is connected with pjncture needle

main part

15, 3 lower surface center department fixed through connection of medicament section of thick bamboo has drain pipe 14.

A plurality of positioning holes 11 are formed in one side of the outer surface of the positioning cylinder 1 at equal intervals, and a positioning bolt 12 is movably connected inside one positioning hole 11 through threads.

Threaded rod 33 rotates and runs through flow box 31 and is close to the one end of changeing 32, flow box 31 one end is seted up and is run through the groove with baffle 37 assorted, baffle 37 sliding connection runs through inslot wall, flow box 31 is kept away from to change 32 one end and is set up inside medicament section of thick bamboo 3, change 32 and drive threaded rod 33 and rotate, threaded rod 33 drives screw block 34 and removes, screw block 34 passes through spring 36 and drives baffle 37 and remove in flow box 31, thereby adjust the extending distance of baffle 37 in medicament section of thick bamboo 3, when screw block 34 moves towards baffle 37 direction, reduce the flow and the velocity of flow of liquid medicine, when screw block 34 moves towards changeing 32 direction, increase the flow and the velocity of flow of liquid medicine.

The liquid inlet pipe 16 and the rotating handle 32 are the same in size, the outer surface of the positioning barrel 1 is provided with a movable groove matched with the liquid inlet pipe 16 and the rotating handle 32, and medical workers can insert the injection needle into the liquid inlet pipe 16 through the sealing rubber 13 according to actual needs and inject liquid medicine into the medicament barrel 3 through the liquid inlet pipe 16.

34 surface both sides of screw thread piece are fixedly connected with gag lever post 35 respectively, flow case 31 inner wall both sides all seted up with gag lever post 35 assorted spacing groove, gag lever post 35 sliding connection in spacing inslot wall, this kind of means can avoid screw thread piece 34 to follow threaded rod 33 when removing and rotate, promotes the stability that screw thread piece 34 removed.

Liquid inlet pipe 16 and drain pipe 14 all are linked together with a medicament section of thick bamboo 3, and a location section of thick bamboo 1 and pjncture needle main part 15 all set up to both ends and run through the structure, and drain pipe 14 sets up inside pjncture needle main part 15, and inside liquid medicine got into pjncture needle main part 15 through drain pipe 14 to it is internal through the inside direct entering patient of pjncture needle main part 15.

The working principle is as follows: medical personnel can be according to patient's actual health condition, adjust positioning bolt 12 in different locating holes 11, when medical personnel press push rod 2, play spacing effect to medicine section of thick bamboo 3 through positioning bolt 12, the accuracy of the depth of penetration has been guaranteed, easily cause the damage of patient's degree of depth skin in the in-process of using, bring unnecessary pain for the patient, medical personnel at first press location section of thick bamboo 1 in patient disease position department, through pressing push rod 2, push rod 2 penetrates pjncture needle main part 15 patient's skin through medicine section of thick bamboo 3, medical personnel can be according to actual need, insert into feed liquor pipe 16 through sealing rubber 13 with the syringe needle, and inject into medicine section of thick bamboo 3 through feed liquor pipe 16 with liquid, through rotating handle 32, it drives threaded rod 33 to rotate handle 32, threaded rod 33 drives thread block 34 and removes, thread block 34 drives baffle 37 through spring 36 and removes in flow box 31, thereby adjust baffle 37 is the extension distance in medicine section of thick bamboo 3, when thread block 34 moves towards baffle 37 direction, the liquid medicine flow and the velocity of reduction, when block 34 moves towards 32 direction, increase liquid medicine and the flow rate of the flow that liquid medicine gets into through inside medicine main part 15 and gets into medicine main part 15, and get into the puncture needle main part.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 dermatological positioning puncture needle for necrotic areas comprises a positioning cylinder (1), and is characterized in that: a medicament barrel (3) is connected inside the positioning barrel (1) in a sliding manner, and a push rod (2) is fixedly connected to the upper surface of the medicament barrel (3);

the utility model discloses a medicine section of thick bamboo (3) inner wall inlays to be established and installs flow box (31), flow box (31) surface one side is equipped with changes (32), change one side fixedly connected with threaded rod (33) that (32) are close to flow box (31), threaded rod (33) surface swing joint has screw block (34), screw block (34) are kept away from and are changed one side fixedly connected with spring (36) of (32), spring (36) opposite side fixedly connected with baffle (37), medicine section of thick bamboo (3) surface fixed through connection has feed liquor pipe (16), the one end that medicine section of thick bamboo (3) were kept away from in feed liquor pipe (16) is equipped with sealing rubber (13), medicine section of thick bamboo (3) lower surface fixed connection has pjncture needle main part (15), medicine section of thick bamboo (3) lower surface center department fixed through connection has drain pipe (14).

2. A dermatologically positioned needle for use in a necrotic site as in claim 1, wherein: a plurality of positioning holes (11) are formed in one side of the outer surface of the positioning cylinder (1) at equal intervals, and a positioning bolt (12) is movably connected inside one positioning hole (11) through threads.

3. A dermatologically positioned needle for use in a necrotic site as in claim 1, wherein: threaded rod (33) rotate and run through flow box (31) and be close to the one end of changeing handle (32), flow box (31) one end seted up with baffle (37) assorted through groove, baffle (37) sliding connection runs through inslot wall in, flow box (31) keep away from the one end of changeing handle (32) and set up inside cartridge (3).

4. A dermatologically positioned needle for use in a necrotic site as in claim 1, wherein: the liquid inlet pipe (16) and the rotating handle (32) are the same in size, and the outer surface of the positioning cylinder (1) is provided with a movable groove matched with the liquid inlet pipe (16) and the rotating handle (32).

5. A dermatologically positioned needle for use in a necrotic site as in claim 1, wherein: the utility model discloses a flow box, including screw block (34), flow box (31), gag lever post (35) are all seted up with gag lever post (35) assorted spacing groove, gag lever post (35) sliding connection in spacing inslot wall respectively fixedly connected with gag lever post (35) in screw block (34) surface both sides.

6. A dermatologically positioned needle for use in a necrotic site as in claim 1, wherein: the liquid inlet pipe (16) and the liquid outlet pipe (14) are communicated with the medicament cylinder (3), the positioning cylinder (1) and the puncture needle body (15) are both arranged into a structure with two ends penetrating, and the liquid outlet pipe (14) is arranged inside the puncture needle body (15).