CN212575393U

CN212575393U - Dual-purpose remaining needle

Info

Publication number: CN212575393U
Application number: CN201922439547.2U
Authority: CN
Inventors: 周才贵; 蒋黎明; 蒋睿洁
Original assignee: First Affiliated Hospital of University of South China
Current assignee: First Affiliated Hospital of University of South China
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2021-02-23
Anticipated expiration: 2029-12-30

Abstract

A dual-purpose indwelling needle is characterized by comprising an indwelling needle head (1), a needle head catheter (2), a blood sampling/infusion positive pressure joint (3) and a blood sampling tube puncture needle (4). The puncture needle of the negative pressure blood collection tube in the blood collection needle is applied to the indwelling needle, when blood collection is needed, the blood collection can be carried out by inserting the puncture needle of the independent blood collection tube into the indwelling needle head for connection, and after the blood collection is finished, the transfusion or tube sealing can be carried out to reserve a venous access. Can reduce inpatient's health puncture number of times, especially have very good effect in children period of being in hospital, the sense of fear when both can alleviate children are in hospital improves nurse's work efficiency, has good popularization and application and worth.

Description

Dual-purpose remaining needle

Technical Field

The utility model belongs to the technical field of medical equipment technique and specifically relates to a dual-purpose needle of keeping somewhere.

Background

At present, patient is in the in-patient period, probably need infuse every day, in order to reduce patient's puncture number at the infusion position when the infusion, reduce patient's misery, often adopt and keep somewhere the syringe needle, it can use 3 days to 5 days to use the puncture of needle of keeping somewhere, infusion patient's misery has been reduced, nevertheless some patients still need to carry out the blood sampling chemical examination in the in-patient period, and the blood sampling chemical examination is in order to use the blood sampling needle to carry out the puncture in addition, this has also increaseed inpatient's misery undoubtedly, especially first inpatient patient need take a blood sample and establish venous access, especially when children are in hospital, children's metabolism is fast, sometimes various indexes are all inconsistent in the morning and evening, consequently, the number of blood collection.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and providing a dual-purpose indwelling needle which has simple structure, convenient use and reduced puncture times.

The technical scheme of the utility model is that: a dual-purpose indwelling needle is characterized by comprising an indwelling needle head, a needle head catheter, a blood sampling/infusion positive pressure connector and a blood sampling tube puncture needle, wherein the tail end of the needle head is detachably connected with the needle head catheter;

the outer circle of the tail end of the blood collection tube puncture needle is provided with a circle of convex ring, the inner wall of the connecting end of the blood collection/transfusion positive pressure joint and the transfusion tube is provided with a circle of groove matched with the convex ring on the outer circle of the tail end of the blood collection tube puncture needle, so that the connection tightness of the blood collection tube puncture needle and the positive pressure joint is increased, and the possibility of being torn off in the blood collection process is reduced;

the cross section of the convex ring protruding part at the tail end of the blood collection tube puncture needle is inverted V-shaped, two sides of the cross section of the convex ring are at 90-120 degrees of included angles, two sides of the cross section of the concave part of the groove at the connecting end of the infusion tube at the positive pressure joint for blood collection/infusion are at 90-120 degrees of included angles and are matched with the convex ring protruding part at the tail end of the blood collection tube puncture needle, so that the blood collection tube puncture needle can be ensured not to be easily pulled out from the positive pressure joint and difficult to pull out, and the work efficiency of replacing the infusion tube or sealing the tube after blood collection is ensured.

The utility model adopts the above technical scheme: the puncture needle of the negative pressure blood collection tube in the blood collection needle is applied to the indwelling needle, when blood collection is needed, the blood collection can be carried out by inserting the puncture needle of the independent blood collection tube into the indwelling needle head for connection, and after the blood collection is finished, the transfusion or tube sealing can be carried out to reserve a venous access. Can reduce inpatient's health puncture number of times, especially have very good effect in children period of being in hospital, the sense of fear when both can alleviate children are in hospital improves nurse's work efficiency, has good popularization and application and worth.

Drawings

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

fig. 2 is a schematic view of the connection structure of the blood collection tube puncture needle and the blood collection/infusion positive pressure joint according to the embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

example 1

As shown in the figure, needle is kept somewhere to dual-purpose, characterized by is including keeping somewhere syringe needle 1, syringe needle pipe 2, blood sampling/infusion malleation joint 3, heparin tube pjncture needle 4, blood sampling/infusion malleation joint protective cap 5, blood sampling/infusion malleation joint 3's transfer line link and 4 tail end detachable connections of heparin tube pjncture needle, 4 tops of heparin tube pjncture needle be the free end for impale the negative pressure heparin tube upper cover, utilize the intraductal negative pressure of blood sampling to lead to blood wherein through keeping somewhere the needle.

4 tail end excircles of heparin tube pjncture needle be equipped with the round bulge loop, blood sampling/infusion malleation connect infusion pipe link inner wall of 3 on be equipped with the round and the 4 tail end excircles of heparin tube pjncture needle bulge loop matched with recess for increase the blood sampling tube pjncture needle 4 and blood sampling/infusion malleation connect 3 be connected closely, reduce the possibility of being torn at the blood sampling in-process.

The cross section of the convex ring protruding part at the tail end of the blood collection tube puncture needle 4 is inverted V-shaped, two sides of the cross section of the convex ring are at 90-120 degrees of included angles, two sides of the cross section of the concave part of the infusion tube connecting end groove of the blood collection/infusion positive pressure joint 3 are at 90-120 degrees of included angles and are matched with the convex ring protruding part at the tail end of the blood collection tube puncture needle 4, so that the blood collection tube puncture needle 4 can be ensured not to be easily pulled out from the blood collection/infusion positive pressure joint 3 and can not be easily pulled out, and the work efficiency of replacing the infusion tube after blood collection or sealing the tube is ensured.

Claims

1. The utility model provides a needle is kept somewhere to dual-purpose, characterized by is including keeping somewhere syringe needle (1), syringe needle pipe (2), blood sampling/infusion malleation joint (3), heparin tube pjncture needle (4), the transfer line link of blood sampling/infusion malleation joint (3) be connected with heparin tube pjncture needle (4) tail end detachable, heparin tube pjncture needle (4) top be the free end for pierce through negative pressure heparin tube upper cover, heparin tube pjncture needle (4) tail end excircle be equipped with the round bulge loop, the infusion line link inner wall of blood sampling/infusion malleation joint (3) on be equipped with the bulge loop matched with recess on round and heparin tube pjncture needle (4) tail end excircle, be used for increasing heparin tube pjncture needle (4) and malleation joint (3) be connected compactness.

2. The dual-purpose indwelling needle according to claim 1, wherein the cross section of the protruding part of the convex ring at the tail end of the blood collection tube puncture needle (4) is inverted V-shaped, two sides of the cross section of the convex ring form an included angle of 90 ° to 120 °, and two sides of the cross section of the concave part of the infusion tube connection end groove of the blood collection/infusion positive pressure connector (3) also form an included angle of 90 ° to 120 ° to be matched with the protruding part of the convex ring at the tail end of the blood collection tube puncture needle (4).