CN212913867U

CN212913867U - Prevent occupation and expose plum blossom needle

Info

Publication number: CN212913867U
Application number: CN202020529488.8U
Authority: CN
Inventors: 王方; 罗莹; 张丹; 杨建华; 郭柄村; 夏菲
Original assignee: Linying County People's Hospital
Current assignee: Linying County People's Hospital
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-04-09
Anticipated expiration: 2030-04-13

Abstract

The utility model relates to a prevent occupation and expose plum blossom needle, including the plum blossom needle body, the plum blossom needle body includes the cylinder, sets up the needle body in the cylinder and is used for retrieving the resilient mounting of needle body, the needle body includes needle bar and the detachable syringe needle that sets up at the needle bar tip. The profession exposure prevention plum blossom needle that provides among the above-mentioned technical scheme, its simple structure, convenient to use can effectively solve the syringe needle that exists among the prior art and expose outside, stab the operator easily and the easy contaminated problem of syringe needle.

Description

Prevent occupation and expose plum blossom needle

Technical Field

The utility model relates to a plum blossom needle technical field, concretely relates to prevent occupation and expose plum blossom needle.

Background

The existing traditional plum-blossom needle consists of an elastic needle handle and seven short needle head parts which are arranged and are shaped like a hammer. When the medical needle is used, the needle handle is flicked by the force of the wrist, the force is controlled differently, the needle head is exposed outside, blood is stained on the needle head after the medical needle is used, and occupational exposure is easy to occur if an operator carelessly contacts the blood of a patient or is pricked; in addition, the needle head can not be guaranteed to be sterile, and the whole disinfection is inconvenient. Therefore, it is necessary to design a new technical solution to comprehensively solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent occupation and expose plum blossom needle, its simple structure, convenient to use can effectively solve the syringe needle that exists among the prior art and expose outside, stab the operator easily and the easy contaminated problem of syringe needle.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a prevent occupation and expose plum blossom needle, includes the plum blossom needle body, the plum blossom needle body includes the cylinder, sets up the needle body in the cylinder and is used for withdrawing the resilient mounting of needle body, the needle body includes needle bar and the detachable syringe needle that sets up at the needle bar tip.

One scheme is that the rebounding device comprises a fixed ring, a top rod and a rotary disc rod, the fixed ring is arranged at one end of the needle cylinder, which is far away from the needle body, each guide groove is formed in the inner wall of the fixed ring, the end, which is connected with the rotary disc rod, of the fixed ring is provided with oblique teeth, the rotary disc rod is accommodated in the fixed ring after being connected with the top rod, the rotary disc rod comprises a rod body and a rotary disc arranged at one end of the rod body, one end, which is close to the rod body, of the rotary disc is provided with oblique teeth, the rotary disc rod is inserted in the top rod through the rod body, one end, which is connected with the rotary disc, of the top rod is provided with a tooth-shaped structure matched with the oblique teeth, strip-shaped bulges matched with the guide grooves are arranged on the outer wall of the top rod at equal intervals along the circumferential direction of the top rod, a needle rod is arranged at the, the proximal needle end of the spring is arranged on the needle cylinder in a contact way, and the needle head can be contained in the needle cylinder.

The scheme further does, the retainer plate inner wall is provided with eight guide ways along its circumference equidistance interval, is provided with eight strip archs along its circumference equidistance interval on the ejector pin outer wall, the ejector pin tip is provided with eight isosceles triangle teeth along its circumference equidistance, the carousel is close to the one end of the body of rod and is provided with four bevel teeth along its circumference equidistance.

The other scheme is that the rebounding device comprises a pressing rod, the pressing rod is sleeved at one end, far away from the needle body, of the needle cylinder, an accommodating groove for installing the needle rod is formed in one end, connected with the needle rod, of the pressing rod, a spring is sleeved at one end, close to the needle head, of the needle rod, a blocking ring for fixing the spring is arranged on the needle rod, far away from the needle head end, of the spring, the needle head end of the spring is arranged on the needle cylinder in a contact mode, and the needle head is arranged in the needle cylinder in an accommodating mode; the needle cylinder is characterized in that a rebound rod is further elastically arranged at the end, close to the needle rod, of the pressing rod, one end of the rebound rod is connected with the end of the pressing rod, a limiting block is arranged at the other end of the rebound rod, a limiting hole matched with the limiting block is formed in the needle cylinder, and when the limiting block enters the limiting hole, the needle head extends out of the needle cylinder.

In a further scheme, the needle head is screwed on the needle rod through threads.

In a further proposal, the proximal needle end of the needle cylinder is provided with a rubber ring for buffering.

According to the occupation exposure prevention plum-blossom needle provided by the technical scheme, the rebound device is combined with the needle cylinder, the needle head extending out of the needle cylinder is rebounded into the needle cylinder by the rebound device, so that pollution to an operator caused by blood and the like on the needle head can be effectively prevented, meanwhile, the rebounded needle head can effectively avoid stabbing the operator, and occupation exposure is avoided; and set up the syringe needle into detachable, can disinfect alone and pack the syringe needle, improve cleanliness and portability. The utility model discloses a prevent occupation and expose plum blossom needle can effectively solve the syringe needle that exists among the background art and expose outside, stab the easy problem that pollutes of operator and syringe needle easily.

Drawings

Fig. 1 is a schematic structural view of an occupational exposure prevention plum blossom needle of the present invention in an embodiment 1;

FIG. 2 is a schematic structural view of the turntable lever and the ejector pin;

FIG. 3 is a schematic structural view of the turntable lever, the ejector rod and the fixing ring used in cooperation;

fig. 4 is a schematic structural view of an occupation exposure prevention plum-blossom needle of the present invention in embodiment 2.

In the figure: 1. a needle cylinder; 11. a rubber ring; 12. a limiting hole; 13. a button; 2. a needle body; 21. a needle bar; 22. a needle head; 23. a baffle ring; 3. a spring; 4. a turntable lever; 41. bevel teeth; 5. a top rod; 51. isosceles triangular teeth; 52. strip-shaped bulges; 6. a stationary ring; 61. helical teeth; 62. a guide groove; 7. a pressing lever; 71. a rebound rod; 72. and a limiting block.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following embodiments. It is to be understood that the following text is only intended to describe one or several particular embodiments of the invention, and does not strictly limit the scope of the claims specifically claimed.

Example 1

The technical scheme adopted by the embodiment is as shown in fig. 1-3, and the occupational exposure prevention plum-blossom needle comprises a plum-blossom needle body, wherein the plum-blossom needle body comprises a needle cylinder 1, a needle body 2 arranged in the needle cylinder 1 and a rebounding device used for withdrawing the needle body 2, and the needle body 2 comprises a needle rod 21 and a needle head 22 detachably arranged at the end part of the needle rod 21; referring to fig. 2 and 3, the rebounding device includes a fixing ring 6, a plunger 5 and a rotating disc rod 4 (referring to the structure of an automatic ball pen), the fixing ring 6 is disposed at one end of the needle cylinder 1 far from the needle body 2, eight guide grooves 62 are disposed on the inner wall of the fixing ring 6 at equal intervals along the circumferential direction, the end of the fixing ring 6 connected to the rotating disc rod 4 is provided with oblique teeth 61, the rotating disc rod 4 is accommodated in the fixing ring 6 after being connected to the plunger 5, the rotating disc rod 4 includes a rod body and a rotating disc disposed at one end of the rod body, four bevel teeth 41 are disposed at one end of the rotating disc near the rod body at equal intervals along the circumferential direction, the rotating disc rod 4 is inserted in the plunger 5 through the rod body, eight isosceles teeth 51 adapted to the bevel teeth 41 are disposed at one end of the plunger 5 connected to the rotating disc, eight strip-shaped protrusions 52 adapted to the guide grooves 62 are disposed on the outer wall of the plunger, the spring 3 is sleeved at one end of the needle rod 21 close to the needle 22, a retaining ring 23 for fixing the spring 3 is arranged on the needle rod 21 of the spring 3 far away from the needle 22, the end of the spring 3 close to the needle 22 is arranged on the needle cylinder 1 in a contact mode, and the needle 22 can be accommodated in the needle cylinder 1. The needle head 22 is screwed on the needle rod 21 through threads, the needle head can be packaged separately and subjected to sterilization treatment, and the sterilized needle head is directly screwed on the needle rod during use, so that the safety and the sanitation are realized, and the operation is convenient.

Specifically, the rubber ring 11 for buffering is arranged at the end, close to the needle head 22, of the needle cylinder 1, and since the needle cylinder may contact with the skin of a human body when the puncture rebounds, in order to avoid skin abrasion and the like caused by direct contact of the needle cylinder with the skin, the use comfort level can be improved and skin trauma can be avoided by arranging the rubber ring.

Example 2

The technical scheme adopted by the embodiment is as shown in fig. 4, the occupation exposure prevention plum-blossom needle comprises a plum-blossom needle body, wherein the plum-blossom needle body comprises a needle cylinder 1, a needle body 2 arranged in the needle cylinder 1 and a rebounding device for withdrawing the needle body 2, and the needle body 2 comprises a needle rod 21 and a needle head 22 detachably arranged at the end part of the needle rod 21; the rebounding device in the embodiment comprises a pressing rod 7, wherein the pressing rod 7 is sleeved at one end, far away from a needle body 2, of a needle cylinder 1, an accommodating groove for installing the needle rod 21 is formed in one end, connected with the needle rod 21, of the pressing rod 7, a spring 3 is sleeved at one end, close to a needle head 22, of the needle rod 21, of the spring 3, a blocking ring 23 for fixing the spring 3 is arranged on the needle rod 21, far away from the needle head 22, of the spring 3, the end, near the needle head 22, of the spring 3 is arranged on the needle cylinder 1 in a contact mode, and the needle; a rebound rod 71 is also elastically arranged at the end of the pressing rod 7 close to the needle rod 21, one end of the rebound rod 71 is connected with the end part of the pressing rod 7, a limit block 72 is arranged at the other end of the rebound rod 71, a limit hole 12 matched with the limit block 72 is arranged on the needle cylinder 1, the needle head 22 extends out of the needle cylinder 1 when the limit block 72 enters the limit hole 12, a button 13 is arranged on the needle cylinder 1 outside the limit hole 12, when in use, the upper end of the pressing rod is pressed, so that a limit bead slides into the limit hole, and at the moment, the needle head extends out of the needle cylinder for; after the puncture is finished, the button is pressed, a bulge is arranged in the button and just abuts against the limiting bead, the needle rod and the pressing rod move upwards under the action of the spring, and the needle head returns to the needle cylinder, so that the needle head can be effectively prevented from stabbing an operator; in addition, the needle head 22 in the embodiment is screwed on the needle rod 21 through threads, the needle head can be packaged separately after being sterilized, and the needle head can be disassembled and packaged and screwed on the needle rod when in use; the rubber circle 11 that is used for the buffering is provided with near syringe needle 22 end of cylinder 1, because when the puncture is kick-backed, the cylinder probably contacts human skin, for avoiding cylinder direct contact skin to lead to skin wearing and tearing etc. sets up the rubber circle and can improve use comfort, avoids skin wound.

In a word, the utility model discloses a prevent occupation and expose plum blossom needle utilizes the structure of automatic pen, holds the syringe needle in the cylinder, through pressing down the ejector pin or pressing down the depression bar, makes the syringe needle stretch out outside the cylinder, punctures the operation area, after the puncture, through pressing down ejector pin or button, realizes returning of syringe needle and contracts, and it has effectively avoided the syringe needle to stab the operator, can not appear exposing because of the occupation that the operation arouses.

The above detailed description of the embodiments of the present invention has been provided with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make several equivalent transformations and substitutions without departing from the principles of the present invention after learning the contents of the present invention.

Claims

1. The utility model provides a prevent occupation and expose plum blossom needle, includes plum blossom needle body, its characterized in that: the plum-blossom needle body comprises a needle cylinder, a needle body arranged in the needle cylinder and a rebounding device used for withdrawing the needle body, wherein the needle body comprises a needle rod and a needle head detachably arranged at the end part of the needle rod.

2. The occupational exposure prevention plum-blossom needle according to claim 1, characterized in that: the rebounding device comprises a fixed ring, a top rod and a turntable rod, wherein the fixed ring is arranged at one end, far away from the needle body, of the needle cylinder, each guide groove is formed in the inner wall of the fixed ring, the joint end of the fixed ring and the turntable rod is provided with oblique teeth, the turntable rod is accommodated in the fixed ring after being connected with the top rod, the turntable rod comprises a rod body and a turntable arranged at one end of the rod body, one end, close to the rod body, of the turntable is provided with oblique teeth, the turntable rod is inserted into the top rod through the rod body, one end, connected with the turntable, of the top rod is provided with a tooth-shaped structure matched with the oblique teeth, strip-shaped bulges matched with the guide grooves are arranged on the outer wall of the top rod at equal intervals along the circumferential direction of the outer wall of the top rod, a needle rod is installed at the other end of the turntable rod, a spring is sleeved, the near needle end of the spring is arranged on the needle cylinder in a contact way, and the needle is arranged in the needle cylinder in a retraction way.

3. The occupational exposure prevention plum-blossom needle as claimed in claim 2, wherein: the retainer plate inner wall is provided with eight guide ways along its circumference equidistance interval, is provided with eight strip archs along its circumference equidistance interval on the ejector pin outer wall, the ejector pin tip is provided with eight isosceles triangle teeth along its circumference equidistance, the carousel is close to the one end of the body of rod and is provided with four bevel teeth along its circumference equidistance.

4. The occupational exposure prevention plum-blossom needle according to claim 1, characterized in that: the rebounding device comprises a pressing rod, the pressing rod is sleeved at one end, far away from the needle body, of the needle cylinder, an accommodating groove for installing the needle rod is formed in one end, connected with the needle rod, of the pressing rod, a spring is sleeved at one end, close to the needle head, of the needle rod, a blocking ring for fixing the spring is arranged on the needle rod, far away from the needle head, of the spring, the end, close to the needle head, of the spring is arranged on the needle cylinder in a contact mode, and the needle head can be arranged in the needle cylinder; the needle cylinder is characterized in that a rebound rod is further elastically arranged at the end, close to the needle rod, of the pressing rod, one end of the rebound rod is connected with the end of the pressing rod, a limiting block is arranged at the other end of the rebound rod, a limiting hole matched with the limiting block is formed in the needle cylinder, and when the limiting block enters the limiting hole, the needle head extends out of the needle cylinder.

5. The anti-occupational exposure plum blossom needle according to any one of claims 1 to 4, characterized in that: the needle head is screwed on the needle rod through threads.

6. The anti-occupational exposure plum blossom needle according to any one of claims 1 to 4, characterized in that: the needle head end of the needle cylinder is provided with a rubber ring for buffering.