CN214965639U

CN214965639U - Blood sampling needle convenient to plug is connected

Info

Publication number: CN214965639U
Application number: CN202121237416.7U
Authority: CN
Inventors: 徐淼; 励丽; 李佳霖; 徐胜男; 贺晓颖
Original assignee: Ningbo First Hospital
Current assignee: Ningbo First Hospital
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-03
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a blood sampling syringe needle convenient for plug connection, which comprises a blood sampling needle body, wherein one side of the blood sampling needle body is provided with a connecting seat, one end of the blood sampling needle body, which is far away from the connecting seat, is provided with an insertion tube, one side of the connecting seat, which is far away from the blood sampling needle body, is provided with a syringe needle, the side wall of one end of the insertion tube, which is close to the blood sampling needle body, is provided with a clamping block, the outer side of the insertion tube is provided with an upper shell, one end of the upper shell, which is close to the blood sampling needle body, is provided with a clamping edge, the outer side of the syringe needle is provided with a lower shell, the side wall of the connecting seat is provided with threads, and two sides of one end of the lower shell, which is close to the upper shell, are provided with fixing lugs; the blood sampling needle convenient for plug connection is provided with the connecting seat, the threads and the clamping edges, so that when the upper shell and the lower shell are pulled, one end of the connecting tee is pulled out first each time, and the convenience of medical personnel is improved; through setting up fixed ear and anti-skidding arch, can reach and reduce the finger and slide the trouble that is difficult to rotate the inferior valve, the antiskid nature that the reinforcing inferior valve used.

Description

Blood sampling needle convenient to plug is connected

Technical Field

The utility model relates to the technical field of medical equipment, specifically be a blood sampling syringe needle convenient to plug is connected.

Background

The blood taking needle is an instrument for collecting blood samples in the medical examination process and comprises a needle head and a needle rod, wherein the needle head is arranged at the head part of the needle rod, a protective sleeve is connected on the needle rod in a sliding way, a return spring is arranged between the protective sleeve and the needle rod, and the initial position of the protective sleeve is positioned at the head parts of the needle head and the needle rod. When an operator holds the needle tube to press the head of the blood taking needle on the limb of a patient, the sheath retracts under the elastic action of the skin, the needle head protrudes and penetrates the skin to cause micro-wound, the sheath resets again under the action of the reset spring after the blood taking needle is pulled out to cover the needle head so as to prevent the needle head from being exposed and polluted or accidentally stabbing the human body, and when the blood taking needle is pulled out, a cavity surrounded by the needle tube and the skin is gradually increased to form instant negative pressure, so that the blood taking needle is beneficial to collection of blood samples.

The prior art has the following defects or problems:

1. when the existing blood taking needle is used, one end of the existing blood taking needle is usually connected with the three-way opening of the remaining needle, the other end of the existing blood taking needle is connected with the blood taking tube, when the existing blood taking needle packaging shell is used for disassembling and taking the blood taking needle, the end which is firstly taken out is connected with the blood taking tube, but when a medical worker takes blood, the habit is that the blood taking needle is firstly connected with the three-way opening and then connected with the blood taking tube, and the blood taking needle packaging shell causes great inconvenience to a user;

2. the existing blood taking needle shells are cylindrical, and in order to prevent the shells from being inserted and pulled out and sliding, anti-skidding grooves are additionally formed in the surfaces of the shells, but the anti-skidding force is limited, and medical workers are still difficult to insert and pull out with gloves.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weak point to prior art, provide a blood sampling syringe needle convenient to plug is connected to solve the problem of proposing in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a blood sampling syringe needle convenient to plug is connected, includes the blood taking needle main part, blood taking needle main part one side is provided with the connecting seat, the one end that the connecting seat was kept away from to the blood taking needle main part is provided with the intubate, one side that the blood taking needle main part was kept away from to the connecting seat is provided with the syringe needle, the one end lateral wall that the intubate is close to the blood taking needle main part is provided with the fixture block, the intubate outside is provided with the epitheca, the one end that the epitheca is close to the blood taking needle main part is provided with the card arris, the syringe needle outside is provided with the inferior valve, the connecting seat lateral wall is provided with the screw thread, the one end both sides that the inferior valve is close to the epitheca are provided with fixed ear, fixed ear surface is provided with anti-skidding arch.

As the utility model discloses a preferred technical scheme, blood taking needle main part and connecting seat integral type structure, the connecting seat surface all is provided with the screw thread with inferior valve inner wall.

As the utility model discloses a preferred technical scheme, the inferior valve cover is in the syringe needle outside, connecting seat external diameter and inferior valve internal diameter looks adaptation, the inferior valve passes through the screw thread and is fixed with the connecting seat interlock.

As the utility model discloses a preferred technical scheme, fixture block and intubate fixed connection, the epitheca cover is in the intubate outside, the epitheca passes through fixture block and blood taking needle main part joint.

As the utility model discloses an optimized technical scheme, inferior valve internal diameter size and card arris external diameter size looks adaptation, the inferior valve is pegged graft through card arris and epitheca.

As the utility model discloses a preferred technical scheme, fixed ear semicircular in shape, fixed ear and inferior valve lateral wall fixed connection, fixed ear quantity is two sets of, the relative inferior valve symmetry of fixed ear is arranged.

As the utility model discloses a preferred technical scheme, the non-skid protrusions is the hemisphere, non-skid protrusions and fixed ear integral type structure, the non-skid protrusions is the equidistance and distributes on fixed ear surface.

Compared with the prior art, the utility model provides a blood sampling syringe needle convenient to plug is connected possesses following beneficial effect:

1. according to the blood sampling needle head convenient to plug and pull connection, the connecting seat is additionally arranged between the blood sampling needle body and the needle head through the arrangement of the connecting seat, the lower casing and the connecting seat are meshed and fixed through the threads, so that the lower casing is stably connected with the blood sampling needle body, meanwhile, the upper casing and the blood sampling needle body are clamped through the clamping block, the blood sampling needle body is connected with one end of a tee joint in a clamped mode, and one end of a blood sampling tube is connected with one end of the thread, so that when the upper casing and the lower casing are pulled out, the upper casing is pulled out firstly every time, namely the upper casing is taken down firstly, improvement is carried out according to actual use habits of medical workers, and the use convenience of the medical workers is improved;

2. this blood sampling syringe needle convenient to plug is connected through setting up fixed ear and non-slip raised, through set up fixed ear at the inferior valve lateral wall, utilizes fixed ear to make medical personnel be convenient for stir the inferior valve and rotate, makes inferior valve and connecting seat interlock not hard up, and utilizes non-slip raised to increase the frictional force on medical personnel hand and fixed ear surface, reduces the finger and slides the trouble that is difficult to rotate the inferior valve, strengthens the antiskid nature that the inferior valve used.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is the schematic view of the blood taking needle main body structure of the utility model:

fig. 4 is an enlarged schematic view of the structure of part a of the present invention.

In the figure: 1. a lancet body; 2. a connecting seat; 3. inserting a tube; 4. a needle head; 5. a clamping block; 6. an upper shell; 7. clamping edges; 8. a lower case; 9. a thread; 10. fixing the ear; 11. and (4) anti-skid bulges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides a blood sampling syringe needle convenient to plug is connected, including blood taking needle

main part

1, 1 one side of blood taking needle main part is provided with connecting seat 2, the one end that 1 blood taking needle main part kept away from connecting seat 2 of blood taking needle main part is provided with intubate 3, one side that 1 blood taking needle main part was kept away from to connecting seat 2 is provided with syringe needle 4, 3 one end lateral walls that the intubate is close to 1 blood taking needle main part are provided with

fixture block

5, 3 outsides of intubate are provided with epitheca 6, epitheca 6 is close to the one end of 1 blood taking needle main part and is provided with card arris 7, 4 outsides of syringe needle are provided with

inferior valve

8, 2 lateral walls of connecting seat are provided with screw thread 9, inferior valve 8 is close to the one end both sides of epitheca 6 and is provided with fixed ear 10, fixed ear 10 surface is provided with anti-skidding arch 11.

In the embodiment, the blood taking needle body 1 and the connecting seat 2 are integrally constructed, and the outer surface of the connecting seat 2 and the inner wall of the lower shell 8 are both provided with the threads 9, so that the lower shell 8 is conveniently connected with the threads 9 of the connecting seat 2; the lower shell 8 is sleeved outside the needle 4, the outer diameter size of the connecting seat 2 is matched with the inner diameter size of the lower shell 8, and the lower shell 8 is meshed and fixed with the connecting seat 2 through threads 9, so that when the upper shell 6 and the lower shell 8 are pulled, one end of the connecting tee is pulled out firstly each time, namely the upper shell 6 is taken down firstly, and the use convenience of medical staff is improved; the clamping block 5 is fixedly connected with the insertion tube 3, the upper shell 6 is sleeved outside the insertion tube 3, the upper shell 6 is clamped with the blood taking needle body 1 through the clamping block 5, the clamping connection of one end, close to the insertion tube 3, of the blood taking needle body 1 is achieved, and the thread 9 for connecting one end, close to the needle head 4, of the blood taking tube is connected; the inner diameter of the lower shell 8 is matched with the outer diameter of the clamping ridge 7, and the lower shell 8 is inserted into the upper shell 6 through the clamping ridge 7, so that the upper shell 6 and the lower shell 8 can be conveniently inserted; the fixing lugs 10 are semicircular, the fixing lugs 10 are fixedly connected with the side wall of the lower shell 8, the number of the fixing lugs 10 is two, the fixing lugs 10 are symmetrically arranged relative to the lower shell 8, medical staff can conveniently stir the lower shell 8 to rotate by utilizing the fixing lugs 10, and the lower shell 8 is meshed with the connecting seat 2 to be loosened; the anti-slip bulge 11 is the hemisphere, and anti-slip bulge 11 and fixed ear 10 integral type structure, anti-slip bulge 11 are the equidistance and distribute on fixed ear 10 surface, utilize anti-slip bulge 11 to increase the frictional force on medical personnel hand and fixed ear 10 surface, reduce the finger and slide the trouble that is difficult to rotate inferior valve 8, the antiskid nature that reinforcing inferior valve 8 used.

The utility model discloses a theory of operation and use flow: the user is before using blood taking needle main part 1, at first reverse pulling epitheca 6 and inferior valve 8, because it is fixed through the interlock of screw thread 9 between inferior valve 8 and the connecting seat 2, epitheca 6 passes through the 5 joints of fixture block with blood taking needle main part 1, three-way one end joint is connected to blood taking needle main part 1, the one end screw thread 9 of connecting the heparin tube is connected, when making epitheca 6 and inferior valve 8 draw, what extract earlier at every turn is connected three-way one end, epitheca 6 takes off earlier, after taking off epitheca 6, connect the tee bend with intubate 3, then utilize fixed ear 10 to stir inferior valve 8 and rotate, utilize anti-skidding arch 11 to increase medical personnel's hand and the frictional force on fixed ear 10 surface, it slides to reduce the finger, it is not hard up to make inferior valve 8 and connecting seat 2 interlocks, thereby take off inferior valve 8, connect the heparin tube with inferior valve 8 and take a blood sample.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a blood sampling syringe needle convenient to plug connection which characterized in that: comprises a blood taking needle body (1), a connecting seat (2) is arranged at one side of the blood taking needle body (1), one end of the blood taking needle body (1) far away from the connecting seat (2) is provided with an insertion tube (3), a needle head (4) is arranged on one side of the connecting seat (2) far away from the blood taking needle body (1), a clamping block (5) is arranged on the side wall of one end of the insertion tube (3) close to the blood taking needle body (1), an upper shell (6) is arranged on the outer side of the insertion tube (3), a clamping ridge (7) is arranged at one end of the upper shell (6) close to the blood taking needle body (1), a lower shell (8) is arranged on the outer side of the needle head (4), threads (9) are arranged on the side wall of the connecting seat (2), the anti-skidding and anti-skidding plastic pipe is characterized in that fixing lugs (10) are arranged on two sides of one end, close to the upper shell (6), of the lower shell (8), and anti-skidding bulges (11) are arranged on the surfaces of the fixing lugs (10).

2. The blood collecting needle convenient for plug connection according to claim 1, characterized in that: the blood taking needle comprises a blood taking needle body (1) and a connecting seat (2) in an integrated structure, wherein threads (9) are arranged on the outer surface of the connecting seat (2) and the inner wall of a lower shell (8).

3. The blood collecting needle convenient for plug connection according to claim 1, characterized in that: inferior valve (8) cover is in syringe needle (4) outside, connecting seat (2) external diameter size and inferior valve (8) internal diameter size looks adaptation, inferior valve (8) are fixed through screw thread (9) and connecting seat (2) interlock.

4. The blood collecting needle convenient for plug connection according to claim 1, characterized in that: the blood taking needle is characterized in that the clamping block (5) is fixedly connected with the insertion tube (3), the upper shell (6) is sleeved outside the insertion tube (3), and the upper shell (6) is connected with the blood taking needle body (1) in a clamping mode through the clamping block (5).

5. The blood collecting needle convenient for plug connection according to claim 1, characterized in that: inferior valve (8) internal diameter size and card arris (7) external diameter size looks adaptation, inferior valve (8) are pegged graft through card arris (7) and epitheca (6).

6. The blood collecting needle convenient for plug connection according to claim 1, characterized in that: the fixing lugs (10) are semicircular, the fixing lugs (10) are fixedly connected with the side walls of the lower shell (8), the number of the fixing lugs (10) is two, and the fixing lugs (10) are symmetrically arranged relative to the lower shell (8).

7. The blood collecting needle convenient for plug connection according to claim 1, characterized in that: the antiskid protrusions (11) are hemispherical, the antiskid protrusions (11) and the fixed lugs (10) are integrally structured, and the antiskid protrusions (11) are equidistantly distributed on the surfaces of the fixed lugs (10).