CN101352587B

CN101352587B - Medical device for preventing puncture wound by needle

Info

Publication number: CN101352587B
Application number: CN200710044205XA
Authority: CN
Inventors: 王乐强; 钱良
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-07-25
Filing date: 2007-07-25
Publication date: 2012-02-15
Anticipated expiration: 2027-07-25
Also published as: CN101352587A

Abstract

The invention discloses a medical needle stick injury preventing device, which is characterized in that: an outer shell is internally provided with a lock catch; the lock catch is internally provided with a limit stop which is provided with a through hole used for the passing-through of a needle tube; the needle tube is provided with a lug boss; the inner wall of the outer shell is provided with a concave groove; the front end of the outer shell is provided with a lug boss; the lock catch is internally provided with an empty cavity used for containing the limit stop; the surface of the lock catch is provided with a convex piece; the rear end of the lock catch is provided with a base body; the inner wall of the base body is provided with a concave and convex part; the surface of the limit stop is provided with a concave and convex part; the front end of the lock catch has two spring plates in shape of '7'. Due to that the needle stick injury preventing device is additionally arranged on the invention, the lock catch is arranged inside the outer shell, and the limit stop is arranged inside the lock catch, when in use and when the normal puncture operation of infusion and injection is completed, medical staff pull out the needle tube and move the base of the needle tube, and put the tip of the needle tube into the lock catch of the needle stick injury preventing device; the function of the lock catch ensures the needle tip does not extend out of the lock catch and the outer shell, thus preventing needle stick injuries and avoiding the danger of inflection of the medical staff due to the needle stick injury; in addition, the medical needle stick injury preventing device has the advantages of simple structure and convenient operation.

Description

Medical device for preventing puncture wound by needle

Technical field:

The present invention relates to the technical field of medical injection and vein puncture, is a kind of remaining needle and anti-pricking wound devices such as other syringe and transfusion device of being used for specifically.

Background technology:

The remaining needle that uses at present or other syringe and transfusion device are not mostly prevented the safety guard of pricking wound; Medical personnel infuse normally or inject puncture procedure finish extract pin after; Often pin of extracting and container defeated, that annotated liquid are handled together; Though extreme care when handling, according to existing incomplete statistics data, medical personnel handle these pins with defeated, when having annotated the container of liquid; Average evenly once above for each person every year by the situation of pricking wound; And on average whenever be wounded by stabbing infected danger is just arranged for 6 times, as run into the patient and suffer from infectious disease, infected danger just increases greatly behind the pricking wound medical personnel personnel that extract on one's body from the patient.

Summary of the invention:

The object of the present invention is to provide a kind of anti-pricking wound device that is used for remaining needle and other syringe and transfusion device; It can prevent medical personnel when handling these pins with defeated, as to have annotated liquid container by pricking wound, thereby avoided infected danger behind the pricking wound medical personnel.

To achieve these goals; Technical scheme of the present invention is: medical device for preventing puncture wound by needle; The needle tubing seat that it mainly comprises needle tubing, is connected with needle tubing, the shell that supplies needle tubing to pass through is characterized in that: be provided with snap close in the enclosure; In snap close, establish a block, this block has the through hole that supplies needle tubing to pass through; Needle tubing is established a boss, and the through hole that supplies needle tubing to pass through at block is provided with the groove that matches with the needle tubing boss, is provided with groove at the inwall of shell; The front end of shell has a boss, and the cavity that can hold block is arranged in the described snap close, and the surface of snap close is provided with male member; There is a pedestal rear end of snap close; Base vivo wall is provided with jog, and the surface of block is provided with convex-concave portion, and the front end of snap close has two " 7 " font shell fragments.

The present invention is provided with snap close in the enclosure owing to set up anti-pricking wound device, in snap close, establishes a block; When after defeated, fluid injection puncture procedure action finishes normally, medical personnel extract needle tubing, and mobile needle tubing seat during use; The needle point of needle tubing is got in the snap close of anti-pricking wound device,, thereby prevented pricking wound because the effect needle point of snap close can not stretch out snap close and shell; Avoided the danger of medical personnel, and the present invention is simple in structure because of being infected by pricking wound, easy to use.

Description of drawings:

Fig. 1 is the structural representation of one embodiment of the invention

Fig. 2 is the user mode sketch map of Fig. 1

Fig. 3 is the cooperate sketch map of the present invention with a kind of remaining needle

The specific embodiment:

Below in conjunction with accompanying drawing and embodiment the present invention is done further description.

The present invention mainly comprises needle tubing 1, the needle tubing seat 3 that is connected with needle tubing 1, the shell 2 that supplies needle tubing to pass through, and it is different from prior art and is: in shell 2, be provided with snap close 5; In snap close 5, establish a block 6; This block 6 has the through hole 4 that supplies needle tubing 1 to pass through, and the through hole that supplies needle tubing to pass through at block requires and each specification draw point interference fits, can play the boss effect that stops on the needle tubing; Needle tubing 1 is established a boss 7 during enforcement, and the through hole that supplies needle tubing to pass through at block is provided with the groove 8 that matches with the needle tubing boss; For cooperate with snap close 5 comparatively closely and defeated with medical treatment such as existing remaining needle, annotate the supporting use of utensil, present embodiment is provided with groove at the inwall of shell, the front end of shell has a boss 10, shell can be circular, also can be square; The cavity 11 that can hold block is arranged in the described snap close, and the surface of snap close is provided with male member 12, and there is a pedestal 13 rear end of snap close; Base vivo wall is provided with jog 14, and the surface of block is provided with convex-concave portion, and the front end of snap close has two " 7 " font shell fragments; One of them is long " 7 " font shell fragment 15; Another is short " 7 " font shell fragment 16, and the space between the long and short shell fragment is 0.5-3 millimeters, and the front end of needle tubing seat has a male member 17; From considering the angle of cost, two " 7 " font shell fragments of the front end of shell 2, snap close 5, snap close and block 6 all adopt plastic material.This anti-pricking wound apparatus structure is simple, easy to operate, and anti-all parts of pricking wound device all adopt plastic material, and the cutting edge of a knife or a sword mouth of avoiding other metal material to bring is stabbed problem.Be prior art about the casing seat in the accompanying drawing 18, conduit 19, intermediate plate 20, catheter block 21, helmet 22, calparine cap 23, blood back device 24, fin 25, repeat no more at this.

When used in the present invention, the front end of the needle tube holder can withstand the locking projections 17 of the stopper 5 to 6, on the one hand make the stopper 6 of the cavity 11 in the lock slide, on the other hand to prevent the stem 3 of the needle rotating the needle tube through the front of the housing projection 10 to withstand the casing base 18, when the normal operation of the fluid injection after puncturing, medical needle 1 is pulled out, and moving the needle manifold block 3, length of the needle 1 is moved to the " 7 "-shaped tabs 15 and the short" 7 "-shaped tab 16 position, can hear the" card when "soon, the needle tip of the tube 1 into the anti-lock device 5 needlestick injuries, due to the role of the tip does not lock will extend and lock housing, the tip of needle 1 is in the locked state to continue the back needle injection, the needling device can prevent from the seat tube, then the tip is locked in the housing 2 by the length of "7 "-shaped tabs 15 and the short" 7 "-shaped cavity of the tabs 16 inclusive, and the role of the stopper 6, the needle tip of the tube 1 in position in a dilemma, the tip can not be stretched length" 7 "-shaped tabs 15, short" 7 "-shaped tabs 16 and the housing 2, thus effectively avoiding the medical Needlestick injuries suffered due to risk of cross infection.The present invention can be used for medical apparatus and instruments such as various remaining needles and other syringe, transfusion device.Remaining needles such as the artery and vein remaining needle of present used style such as penholder shape, dosing kettle formula, Y type closed, butterfly shape, anti-adverse current pattern all can supportingly use.

Claims

1. medical device for preventing puncture wound by needle, the needle tubing seat that it mainly comprises needle tubing, is connected with needle tubing, the shell that supplies needle tubing to pass through is characterized in that: be provided with snap close in the enclosure, in snap close, establish a block, this block has the through hole that supplies needle tubing to pass through; Needle tubing is established a boss, is provided with groove at the inwall of shell, and the front end of shell has a boss; The cavity that can hold block is arranged in the described snap close; The surface of snap close is provided with male member, and there is a pedestal rear end of snap close, and base vivo wall is provided with jog; The surface of block is provided with convex-concave portion, and the front end of snap close has two " 7 " font shell fragments; Two " 7 " font shell fragments of snap close front end, one of them is long " 7 " font shell fragment, and another is short " 7 " font shell fragment, and the space between long and short " 7 " font shell fragment is the 0.5-3 millimeter.

2. medical device for preventing puncture wound by needle as claimed in claim 1 is characterized in that: two " 7 " font shell fragments of the front end of shell, snap close, snap close and block all adopt plastic material.