CN208611495U

CN208611495U - A kind of paediatrics remaining needle

Info

Publication number: CN208611495U
Application number: CN201820515836.9U
Authority: CN
Inventors: 张爱华
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-12
Filing date: 2018-04-12
Publication date: 2019-03-19
Anticipated expiration: 2028-04-12

Abstract

A kind of paediatrics remaining needle, including shell, the inner cavity left end of the shell is connected with rigid seal, the left surface of the rigid seal is equipped with indwelling casing tube, the right surface in the inner cavity of the shell is connected with one end of the first spring, the other end of first spring is connected with sliding shoe, the left surface of the sliding shoe is connected with link block, the left surface of the link block is connected with steel needle, the side wall of the shell is equipped with positioning device, pass through the quick rebound with the use of achievable steel needle of fixed device and the first spring, steel needle is quickly detached out of indwelling casing tube, improve remaining needle installation speed, mitigate Psychology of childhood patients burden, prevent infant active procedure from indwelling casing tube dystopy being caused to influence to use by fixing belt and adhered layer, quick closure indwelling casing tube after steel needle is detached by sealing device, prevent external environmental indwelling casing tube , shell and positioning device have the value reused after disinfection, have stronger practicability.

Description

A kind of paediatrics remaining needle

Technical field

The utility model relates to pediatric transfusion engineering device technique field, specific field is a kind of paediatrics remaining needle.

Background technique

Venous detaining needle is the tool applied to clinical transfusion, and one side remaining needle can mitigate infant because scalp acupuncture is anti- It punctures bring pain again and can be adapted for the adult of long-term infusion, on the other hand also mitigate the workload of clinical nurse, so And existing paediatrics remaining needle is there is also some problems, infant has certain feared state of mind to infusion, and remaining needle needs logical It crosses steel needle and is pierced into after vein and extract steel needle and be used to be infused intravenously by cannula, this process operating time is longer and infant See that steel needle generates the body and mind growth that huge psychological pressure is unfavorable for infant to infant, for this purpose, we have proposed one kind Paediatrics is solved the above problems with remaining needle.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of paediatrics remaining needle Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of paediatrics remaining needle, including outer Shell, the inner cavity left end of the shell are connected with rigid seal, and the left surface of the rigid seal is equipped with indwelling casing tube, described The lateral wall of indwelling casing tube is connected with one end of branch pipe, and the other end of the branch pipe is connected with connection wye, the indwelling casing tube Lateral wall is equipped with fixing belt, and the side wall of the fixing belt is equipped with adhered layer, and the right surface in the inner cavity of the shell is connected with the first bullet One end of spring, the other end of first spring are connected with sliding shoe, and the left surface of the sliding shoe is connected with link block, described The left surface of link block is connected with steel needle, and the lateral wall of the steel needle runs through indwelling casing tube, and the side wall of the sliding shoe is fixed It is connected with T-piece, the side wall of the shell is equipped with the sliding channel for cooperating T-piece to use, the side wall of the shell and positioned at T shape The right side of part is equipped with positioning device, and the positioning device includes the first arc groove, is equipped with arc in the groove of first arc groove Shape locating piece, the side wall of the shell are equipped with the second arc groove that cooperation arc locating piece uses, the side of the arc locating piece Wall is connected with sliding bar, and the arc locating piece and the sliding bar are integrally formed, and the side wall of the shell is equipped with cooperation and slides The first sliding groove that lever uses, the side wall of the arc locating piece and be located at sliding bar on the downside of be connected with the one of second spring The other end at end, the second spring connects the second arc groove.

Preferably, the lateral wall of the rigid seal is symmetrically arranged with locating part, and the inner cavity left end of the shell, which is equipped with, matches Close the limiting slot that locating part uses.

Preferably, the both ends of the surface of the arc locating piece are enclosed with yielding rubber pad.

Preferably, the inner cavity of the rigid seal is set from left to right there are two sealing device, and the sealing device includes First groove, one end of third spring is connected in the groove of first groove, and the other end of the third spring is connected with Sealing strip, the side wall of sealing strip described in front and rear sides and be arc close to the side of steel needle.

Preferably, the cavity length of the shell is greater than the length of the steel needle.

Compared with prior art, the utility model has the beneficial effects that a kind of paediatrics remaining needle, passes through fixed device With the first spring with the use of the quick rebound that steel needle can be achieved, steel needle is quickly detached out of indwelling casing tube, children are improved Section's remaining needle installation speed, and steel needle is fully wrapped around inside the shell, infant can't see the steel needle detached, and it is negative to mitigate Psychology of childhood patients Indwelling casing tube, is fixed on the skin of infant by fixing belt and adhered layer, prevents infant active procedure from causing indwelling set by load Pipe dystopy influences to use, and detaches quick closure indwelling casing tube after steel needle by sealing device, prevents external environmental indwelling set Pipe, shell and positioning device have the value reused after disinfection, easy to operate structurally reasonable, have stronger practical Property.

Detailed description of the invention

Fig. 1 is main view of internal structure before the utility model steel needle is sprung back；

Fig. 2 is the section right side structural representation of the utility model positioning device；

Fig. 3 is the section right side structural representation of the utility model sealing device；

Fig. 4 is schematic view of the front view after the rebound of the utility model steel needle.

In figure: 1- shell, 2- rigid seal, 3- indwelling casing tube, 4- branch pipe, 5-Y shape connector, 6- fixing belt, 7- paste Layer, the first spring of 8-, 9- sliding shoe, 10- link block, 11- steel needle, 12-T shape part, 13- sliding channel, 14- positioning device, The first arc groove of 1401-, 1402- arc locating piece, the second arc groove of 1403-, 1404- sliding bar, the first sliding groove of 1405-, 1406- second spring, 15- locating part, 16- limiting slot, 17- yielding rubber pad, 18- sealing device, the first groove of 1801-, 1802- third spring, 1803- sealing strip.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of paediatrics remaining needle, including shell 1, The inner cavity left end of the shell 1 is connected with rigid seal 2, and shell and rigid seal are clamped shell easy to disassemble, described hard The left surface of matter sealing element 2 is equipped with indwelling casing tube 3, and the lateral wall of the indwelling casing tube 3 is connected with one end of branch pipe 4, the branch The other end of pipe 4 is connected with connection wye 5, and the lateral wall of the indwelling casing tube 3 is equipped with fixing belt 6, the side wall of the fixing belt 6 Equipped with adhered layer 7, indwelling casing tube is retained in infant vein blood vessel and is used for venous transfusion, realizes that vein is defeated by connection wye Liquid binary channels when one progress venous transfusion of connection wye, can pass through the other end of connection wye and carry out Quick medicine, improve this Indwelling casing tube is fixed on the skin of infant by the practicability of utility model by fixing belt and adhered layer, prevents infant movable Process causes indwelling casing tube dystopy to influence to use, and the adhered layer of two sides keeps it viscous using a plastic foil when fixing belt is not used Property, can once throw off when use that plastic foil is convenient and practical, and the right surface in inner cavity of the shell 1 is connected with the one of the first spring 8 End, the other end of first spring 8 are connected with sliding shoe 9, and the left surface of the sliding shoe 9 is connected with link block 10, described The left surface of link block 10 is connected with steel needle 11, and sliding shoe can slide inside the shell, when the utility model is not used, the first spring In tensional state, and the lateral wall of the steel needle 11 runs through indwelling casing tube 3, when steel needle is pierced into infant vein, steel needle with stay It sets casing and enters infant vein jointly, the side wall of the sliding shoe 9 is fixedly connected with T-piece 12, and the side wall of the shell 1 is equipped with The sliding channel 13 that cooperation T-piece 12 uses, T-piece is fixedly connected with sliding shoe, can be slidably disposed in shell manually by T-piece The sliding shoe of inside, so that the first spring is stretched, sliding shoe restores to the use of the new type position when being not used, convenient for next time Use, the side wall of the shell 1 and the right side for being located at T-piece 12 are equipped with positioning device 14, and the positioning device 14 includes first Arc groove 1401, the groove of first arc groove 1401 is interior to be equipped with arc locating piece 1402, and the side wall of the shell 1, which is equipped with, matches The second arc groove 1403 that arc locating piece 1402 uses is closed, the side wall of the arc locating piece 1402 is connected with sliding bar 1404, and the arc locating piece 1402 and the sliding bar 1404 are integrally formed, the side wall of the shell 1 is equipped with cooperation sliding The first sliding groove 1405 that bar 1404 uses, the side wall of the arc locating piece 1402 and be located at sliding bar 1404 on the downside of be connected with One end of second spring 1406, the other end of the second spring 1406 connect the second arc groove 1403, by fixed device with The quick rebound with the use of achievable steel needle of first spring, steel needle is quickly detached out of indwelling casing tube, it is practical to improve this Novel installation speed mitigates Psychology of childhood patients burden, first the T-shaped block left side that is fixed on arc locating piece, at this time the first spring In tensional state, slid clockwise sliding bar, arc locating piece follows sliding bar to rotate clockwise into the second arc at this time In slot, second spring is gradually compressed at the same time, and T-shaped block loses the active force on right side in the first bullet after the rotation of arc locating piece It is moved right along sliding channel rapidly under the elastic force effect of spring, can be realized in steel needle retractable to shell and quickly detach steel needle.

Specifically, the lateral wall of the rigid seal 2 is symmetrically arranged with locating part 15, the inner cavity left end of the shell 1 Equipped with the limiting slot 16 that cooperation locating part 15 uses, locating part is inserted into limiting slot, rigid seal and shell can be prevented It produces relative sliding, improves the stationarity of the two, be convenient for nurse operation.

Specifically, the both ends of the surface of the arc locating piece 1402 are enclosed with yielding rubber pad 17, pass through yielding rubber Effective protection arc locating piece is padded, the vibration to it is reduced.

Specifically, the inner cavity of the rigid seal 2 is set from left to right, there are two sealing device 18, the sealing devices 18 include the first groove 1801, and one end of third spring 1802, the third are connected in the groove of first groove 1801 The other end of spring 1802 is connected with sealing strip 1803, and the one of the side wall of sealing strip 1803 described in front and rear sides and close steel needle 11 Side is arc, and when steel needle passes through rigid seal, steel needle generates active force to sealing strip and two sides third spring is in Compressive state, when steel needle recoils in shell, front and rear sides sealing strip loses steel needle to its active force, in the elastic force of third spring The pin hole quick blocking that steel needle is stayed in rigid seal surface by lower sealing strip is acted on, external environmental indwelling casing tube is prevented.

Specifically, the cavity length of the shell 1 be greater than the steel needle 11 length, steel needle rebound after can completely into Enter in shell.

Working principle: the utility model provides a kind of paediatrics remaining needle, and it is left to be located at arc locating piece for T-shaped block first Side, the first spring are in tensional state, steel needle and link block are connected together in pot life position part insertion limiting slot, nurse It is after hand-held housing carries out disinfection to infant skin, steel needle and its outside indwelling casing tube insertion infant is intravenous, slid clockwise Sliding bar, arc locating piece follows sliding bar to rotate clockwise into the second arc groove at this time, and second spring is compressed, arc T-shaped block loses the active force that right side arc locating piece generates it after locating piece rotation, fast under the elastic force effect of the first spring Speed is moved right along sliding channel, is realized in steel needle retractable to shell and is quickly detached steel needle, when steel needle recoils in shell, steel needle Fully wrapped around infant not can be appreciated that steel needle inside the shell, mitigate psychological pressure, front and rear sides sealing strip loses steel needle and acts on it Power, steel needle is stayed in the pin hole quick blocking on rigid seal surface by sealing strip under the elastic force effect of spring, prevents extraneous ring Indwelling casing tube is polluted in border, by the quick rebound with the use of achievable steel needle of fixed device and the first spring, steel needle is fast Speed is detached out of indwelling casing tube, improves the utility model installation speed, mitigates Psychology of childhood patients burden, and T-shaped block first is fixed on arc The left side of shape locating piece, the first spring is in tensional state at this time, indwelling casing tube is retained in infant vein blood vessel be used for it is quiet Arteries and veins infusion realizes venous transfusion binary channels by connection wye, indwelling casing tube is fixed on infant by fixing belt and adhered layer It on skin, pulls shell that can remove shell and steel needle after indwelling casing tube is fixed, slides T-shaped block to the left and pass through arc T-shaped block is fixed on initial position by locating piece, and pulling up steel needle, shell and positioning device can reuse after disinfection.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of paediatrics remaining needle, including shell (1), it is characterised in that: the inner cavity left end of the shell (1) is connected with firmly The left surface of matter sealing element (2), the rigid seal (2) is equipped with indwelling casing tube (3), the lateral wall of the indwelling casing tube (3) It is connected with one end of branch pipe (4), the other end of the branch pipe (4) is connected with connection wye (5), the outside of the indwelling casing tube (3) Wall is equipped with fixing belt (6), and the side wall of the fixing belt (6) is equipped with adhered layer (7), the right surface connection in the inner cavity of the shell (1) There is one end of the first spring (8), the other end of first spring (8) is connected with sliding shoe (9), a left side for the sliding shoe (9) Surface is connected with link block (10), and the left surface of the link block (10) is connected with steel needle (11), and the steel needle (11) is outer Side wall runs through indwelling casing tube (3), and the side wall of the sliding shoe (9) is fixedly connected with T-piece (12), the side wall of the shell (1) It sets equipped with the sliding channel (13) that cooperation T-piece (12) uses, the side wall of the shell (1) and on the right side of T-piece (12) Have positioning device (14), the positioning device (14) include the first arc groove (1401), first arc groove (1401) it is recessed Arc locating piece (1402) are equipped in slot, the side wall of the shell (1) is equipped with cooperation arc locating piece (1402) uses second The side wall of arc groove (1403), the arc locating piece (1402) is connected with sliding bar (1404), and the arc locating piece (1402) it is integrally formed with the sliding bar (1404), the side wall of the shell (1) is equipped with what cooperation sliding bar (1404) used First sliding groove (1405), the side wall of the arc locating piece (1402) and be located at sliding bar (1404) on the downside of be connected with the second bullet The other end of one end of spring (1406), the second spring (1406) connects the second arc groove (1403).

2. a kind of paediatrics remaining needle according to claim 1, it is characterised in that: outside the rigid seal (2) Sidewall symmetry is equipped with locating part (15), and the inner cavity left end of the shell (1) is equipped with the limiting slot that cooperation locating part (15) uses (16)。

3. a kind of paediatrics remaining needle according to claim 1, it is characterised in that: the arc locating piece (1402) Both ends of the surface are enclosed with yielding rubber pad (17).

4. a kind of paediatrics remaining needle according to claim 1, it is characterised in that: the rigid seal (2) it is interior Chamber is set from left to right there are two sealing device (18), and the sealing device (18) includes the first groove (1801), and described first is recessed One end of third spring (1802) is connected in the groove of slot (1801), the other end of the third spring (1802) is connected with close Strip of paper used for sealing (1803), the side wall of sealing strip (1803) described in front and rear sides and the side close to steel needle (11) are arc.

5. a kind of paediatrics remaining needle according to claim 1, it is characterised in that: the cavity length of the shell (1) Greater than the length of the steel needle (11).