CN2332368Y

CN2332368Y - Multifunctional puncture needle

Info

Publication number: CN2332368Y
Application number: CN 98220836
Authority: CN
Inventors: 武会战; 王玉霞; 郭龙泉; 常治通; 栾汝建
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-04-16
Filing date: 1998-04-16
Publication date: 1999-08-11
Anticipated expiration: 2008-04-16

Abstract

The utility model relates to a clinical therapeutic and diagnostic instrument for paediatric departments. The utility model comprises a needle core and a needle sleeve, wherein, a core body of the front end of the needle core is penetrated in a sleeve body of a hollow cavity structure of the front end of the needle sleeve. Heads of the core body and the sleeve body are equally in bevel structures. A needle core body of the back end of the needle core is provided with a positioning pin, and a needle sleeve body of the back end of the needle sleeve is provided with a positioning groove. The utility model has the advantages of simple structure, feasibility and one needle with multiple purposes. The utility model can reduce pain of child patients and delayed treatment time which are caused by lack of special puncture needles for paediatric departments. The utility model is suitable for the puncture of different parts.

Description

The multi-functional puncture needle of monologue story-telling with gestures children's

This utility model belongs to department of pediatrics clinical treatment apparatus, mainly proposes the multi-functional puncture needle of a kind of children's.

This utility model is applicable to the dura mater puncture down of premature infant, neonate, infant etc., bone marrow aspiration, lumbar puncture.Marrow puncture needle is adult type, no children's's type clinically now.Children's is because medullary cavity is little, and cortical bone is thin, and paracentesis depth is shallow, and the adult type marrow puncture needle is big because of volume, and syringe needle is thick, and Heavy Weight can not be fixed when children's uses, and often makes puncture failure.Puncture does not now have specific purpose tool under children's's dura mater, and No. 7 injection needles of many clinically employings puncture, and because of syringe needle does not have nook closing member, and pinpoint inclined plane is unreasonable, easily stops up syringe needle, or the penetration damage angiorrbagia, thereby causes puncture failure.

The utility model proposes children's and promptly be to solve children's's dura mater puncture down on the clinical medicine with the purpose of multi-functional puncture needle, the problem of bone marrow aspiration and lumbar puncture also makes it have the advantages that a pin is used more.

The technical pattern that the utility model proposes is: it has nook closing member and needle guard two parts, the core body of nook closing member front end penetrates the body of needle guard front end cavity structure, the head of core body and body is ramp structure, for guaranteeing the concordance on their inclined-planes, on the nook closing member body of nook closing member rear end, alignment pin is set, on the needle guard body of needle guard rear end, set locating slot, make the corresponding locating slot that snaps in the needle guard body of alignment pin of nook closing member body behind needle guard and the nook closing member fit, even the inclined-plane unanimity of their front end heads, thereby damaged tissue and stop up pinprick when preventing to puncture.

Core body with the nook closing member front end during use penetrates in the body of needle guard front end, and the alignment pin correspondence is snapped in the locating slot, and their head promptly has consistent inclined-plane, reach when giving the position, bonding part in puncture, transfer to nook closing member portion, liquid can excrete along needle guard, reaches the purpose of Clinics and Practices.

This utility model is simple in structure feasible, can reduce the painful and treatment delay of the infant that causes because of above-mentioned puncture failure in the use, is adapted to the puncture of various positions, has the advantages that a pin is used more.

Embodiment:

Accompanying drawing 1 is this utility model structural representation.

As shown in Figure 1, it includes nook closing member and needle guard two parts, the core body 5 of nook closing member front end penetrates the body 4 of needle guard front end, body 4 is a cavity structure, core body 5 and body 4 heads are ramp structure, the nook closing member body 1 of nook closing member rear end is provided with alignment pin 3, has set locating slot on the needle guard body 2 of needle guard rear end.The alignment pin 3 of nook closing member body is snapped in the locating slot of needle guard body 2.

Claims

1, the multi-functional puncture needle of a kind of children's, it is characterized in that having nook closing member and needle guard two parts, the core body of nook closing member front end (5) penetrates the body (4) of needle guard front end cavity structure, the head of core body (5) and body (4) is ramp structure, on the nook closing member body (1) of nook closing member rear end, alignment pin (3) is set, on the needle guard body (2) of needle guard rear end, sets locating slot.