CN217040948U

CN217040948U - Transfusion system syringe needle protective sheath

Info

Publication number: CN217040948U
Application number: CN202220158732.3U
Authority: CN
Inventors: 封明香; 叶子
Original assignee: Chongqing Qijiang District Hospital Of Traditional Chinese Medicine
Current assignee: Chongqing Qijiang District Hospital Of Traditional Chinese Medicine
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-07-26
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses an infusion set syringe needle protective sheath, including transfer line (1) and syringe needle (2) rather than being connected be equipped with handle (21) on the pintle of syringe needle (2) the cover is equipped with sheath (3) on transfer line (1) the middle part of sheath (3) is equipped with the step hole of taking separation blade (33) one side of sheath (3) is equipped with guide way (31), and the opposite side is equipped with and pushes away handle (4), the one end of guide way (31) is equipped with the opening, is equipped with first fixture block (321) in the one end of this guide way (31) cell wall, and the other end is equipped with second fixture block (322). The utility model discloses set up the separation blade in the sheath and avoid the needle point to expose, it is spacing to set up the fixture block and realize the sheath, has both protected the syringe needle, can avoid the condition that the needle prick hindered again, simple structure, simple operation.

Description

Transfusion system syringe needle protective sheath

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a transfusion device needle head protective sleeve.

Background

At present, patient has failed the liquid back, the nurse pulls out the needle, need separate syringe needle and transfusion system with the scissors according to the regulation, throw into the garbage bin that corresponds respectively, but at patient's bedside, it can separate not have the instrument, often need take used transfusion system and needle to nurse station and go the processing, at this in-process, a lot of nurses insert the transfusion needle on the transfer line or on the transfusion bag, and the material of transfer line and transfusion bag is harder, be difficult to insert, have very big needle puncture wound risk.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a transfusion system syringe needle protective sheath that can protect the syringe needle, can avoid the needle-prick to hinder again.

The technical scheme of the utility model as follows:

a transfusion device needle head protective sleeve comprises a transfusion tube and a needle head connected with the transfusion tube, wherein a handle is arranged on a pintle of the needle head, a protective sleeve is sleeved on the transfusion tube, a step hole is formed in the middle of the protective sleeve, the large-diameter end of the step hole is sleeved on the transfusion tube, the small-diameter end of the step hole is sleeved on a needle stem of the needle head, and a blocking piece is arranged at the front end of the small-diameter end; one side of the sheath is provided with a guide groove communicated with the step hole, the other side of the sheath is provided with a push handle, one end of the guide groove is provided with an opening, the opening is located at the tail end of the sheath, the handle is inserted into the guide groove from the opening position, the handle protrudes out of the notch of the guide groove, one end of the groove wall of the guide groove is provided with a first clamping block, and the other end of the groove wall of the guide groove is provided with a second clamping block.

By adopting the structure, the sheath is sleeved on the infusion tube, the small-diameter end in the step hole in the sheath is provided with the baffle plate, when the infusion tube is standby, the baffle plate can block the needle point from being exposed, and meanwhile, the second clamping block in the guide groove is abutted with the outer wall of the handle in a fit manner, so that the formed resistance can prevent the sheath from falling off; when the infusion needle is used, the push handle is held to pull the sheath towards the direction of an infusion tube, the needle point pierces the blocking piece and extends out of the sheath, the push handle is continuously pulled, the needle point continues to extend out to the using length, at the moment, the first clamping block is abutted to the outer wall of the handle in a fit mode, the formed resistance achieves a limiting effect on the sheath, and the phenomenon that the operation of infusion needle insertion is influenced when the sheath moves towards the needle stem is avoided; after the infusion was accomplished, extract the syringe needle, promote once more and push away the direction that makes the sheath to the needle stalk and remove, it is downthehole until the needle point moves into the step of sheath completely, at this moment, the butt is laminated once more to the outer wall of second fixture block and handle, can transport the infusion utensil safely, simple structure is practical, the simple operation.

In order to facilitate production and simplify the structure, preferably, two first clamping blocks are symmetrically arranged at one end of the groove wall of the guide groove, and two second clamping blocks are symmetrically arranged at the other end of the groove wall of the guide groove. Two first fixture block and second fixture block are convex protruding structures, and the interval between two first fixture blocks and the interval between two second fixture blocks all match with the thickness of handle, and two fixture blocks that correspond the position butt simultaneously on the outer wall of the handle corresponds the end to it is spacing to form the centre gripping form to realize the sheath.

To facilitate rapid penetration of the needle tip during use, the flap is preferably 0.5mm thick.

In order to reduce the play, facilitate the sheath to move rapidly and improve the operation efficiency, preferably, the width dimension of the notch of the guide groove is matched with the thickness dimension of the handle.

In order to facilitate production, the first fixture block, the second fixture block, the stepped hole, the guide groove, the push handle and the sheath are preferably formed in an injection molding and integrated mode.

In order to save cost and ensure using performance, the sheath is preferably made of PVC material.

Has the advantages that: the utility model discloses set up the separation blade in the sheath and avoid the needle point to expose, set up the fixture block and realize spacingly to the sheath, both protected the syringe needle, can avoid the condition that the needle pricked again, simple structure, simple operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the installation structure of the present invention.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a usage state diagram of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Shown by figure 1, figure 2, figure 3 and figure 4, the utility model discloses an infusion tube 1 and rather than connected syringe needle 2 be equipped with handle 21 on the pintle of syringe needle 2 the cover is equipped with sheath 3 on the infusion tube 1 the middle part of sheath 3 is equipped with the step hole, the big footpath end in step hole cup joints on infusion tube 1, and the path end in this step hole cup joints on the needle stalk of syringe needle 2 the front end of path end is equipped with separation blade 33, separation blade 33's thickness is 0.5 mm.

One side of sheath 3 is equipped with the guide way 31 with the step hole intercommunication, and the opposite side is equipped with and pushes away handle 4, the one end of guide way 31 is equipped with the opening, and the opening is located the tail end of sheath 3, handle 21 inserts in the guide way 31 from this open position, and handle 21 emits out the notch of guide way 31, the notch width size of guide way 31 and the thickness size looks adaptation of handle 21.

Two first latch 321 are symmetrically arranged at one end of the groove wall of the guide groove 31, and two second latch 322 are symmetrically arranged at the other end. The two first fixture blocks 321 and the second fixture block 322 are both arc-shaped protruding structures, the distance between the two first fixture blocks 321 and the distance between the two second fixture blocks 322 are both adapted to the thickness of the handle 21, and the two fixture blocks at the corresponding positions are abutted to the outer wall of the corresponding end of the handle 21 at the same time to form a clamping shape to limit the sheath 3.

The first fixture block 321, the second fixture block 322, the stepped hole, the guide groove 31, the push handle 4 and the sheath 3 are formed integrally by injection molding, and the sheath 3 is made of a PVC material.

The utility model discloses a use method as follows:

as shown in fig. 1, 2 and 3, when not in use, the sheath 3 is sleeved on the infusion tube 1, the needle stem is positioned at the large-diameter end of the step hole in the sheath 3, the needle tip extends into the small-diameter end, and the small-diameter end is provided with a baffle 33, and the baffle 33 can block the needle tip from being exposed; meanwhile, the two second latch 322 in the guide groove 31 are abutted to the outer wall of the handle 21 to form a clamping shape, and the resistance formed by clamping can prevent the sheath 3 from falling off.

As shown in fig. 2, 3 and 4, when the infusion set is used, the pushing handle 4 is held to pull the sheath 3 towards the infusion tube 1, the needle point pierces the blocking piece 33 to extend out of the sheath 3, the pushing handle 4 is continuously pulled, the two second clamping blocks 322 leave the handle 21, and the needle point continuously extends out to the using length, at the moment, the two first clamping blocks 321 are abutted to the outer wall of the handle 21 in an attaching mode, a clamping shape is also formed, the formed resistance achieves a limiting effect on the sheath 3, and the situation that the sheath 3 moves towards the needle stem to influence the operation of infusion needle insertion is avoided.

After the infusion is completed, extract syringe needle 2 from the patient, promote once more and push away 4 and make sheath 3 move to the direction of needle stalk, first fixture block 321 leaves handle 21, and in the step hole of needle point immigration sheath 3 completely, this moment, second fixture block 322 is laminated the butt once more with the outer wall of handle 21 again, although separation blade 33 is impaled, the centre gripping resistance of two second fixture blocks 322 is enough to spacing sheath 3, resume promptly to wait to use the state, just can transport infusion utensil safely this moment.

Claims

1. The utility model provides an infusion set syringe needle protective sheath, includes transfer line (1) and syringe needle (2) rather than being connected be equipped with handle (21), its characterized in that on the pintle of syringe needle (2): a sheath (3) is sleeved on the infusion tube (1), a step hole is formed in the middle of the sheath (3), the large-diameter end of the step hole is sleeved on the infusion tube (1), the small-diameter end of the step hole is sleeved on the needle stem of the needle head (2), and a baffle plate (33) is arranged at the front end of the small-diameter end; one side of the sheath (3) is provided with a guide groove (31) communicated with the step hole, the other side of the sheath is provided with a push handle (4), one end of the guide groove (31) is provided with an opening, the opening is positioned at the tail end of the sheath (3), the handle (21) is inserted into the guide groove (31) from the opening position, the handle (21) protrudes out of a notch of the guide groove (31), one end of the groove wall of the guide groove (31) is provided with a first clamping block (321), and the other end of the groove wall of the guide groove (31) is provided with a second clamping block (322).

2. The infusion set needle protection cover according to claim 1, wherein: two first clamping blocks (321) are symmetrically arranged at one end of the groove wall of the guide groove (31), two second clamping blocks (322) are symmetrically arranged at the other end of the groove wall of the guide groove (31), the two first clamping blocks (321) and the two second clamping blocks (322) are both of arc-shaped protruding structures, the distance between the two first clamping blocks (321) and the distance between the two second clamping blocks (322) are both matched with the thickness of the handle (21), and the two clamping blocks at corresponding positions abut against the outer wall of the corresponding end of the handle (21) at the same time to form a clamping shape to limit the sheath (3).

3. The infusion set needle protection cover according to claim 1, characterized in that: the thickness of the baffle plate (33) is 0.5 mm.

4. The infusion set needle protection cover according to claim 2, wherein: the width dimension of the notch of the guide groove (31) is matched with the thickness dimension of the handle (21).

5. The infusion set needle protection cover according to claim 1, characterized in that: the first fixture block (321), the second fixture block (322), the stepped hole, the guide groove (31), the push handle (4) and the sheath (3) are integrally formed through injection molding.

6. The infusion set needle protection cover according to claim 5, wherein: the sheath (3) is made of PVC material.