CN214284925U

CN214284925U - Disposable venous blood taking needle

Info

Publication number: CN214284925U
Application number: CN202022868345.2U
Authority: CN
Inventors: 李�浩; 张竹峰; 魏天河; 王菊
Original assignee: Ordek Wuhan Medical Technology Co ltd
Current assignee: Ordek Wuhan Medical Technology Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-09-28
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses a disposable venous blood taking needle, including intravenous needle tubing, needle handle, transmission pipe and vacuum flask communicate in order, be provided with on the needle handle and be used for preventing medical personnel quilt the protection portion that intravenous needle tubing's syringe needle stabbed, be used for the drive the protection portion seals up the portion of opening and close of intravenous needle tubing's syringe needle with be used for preventing to be sealed up the latch portion of intravenous needle tubing's syringe needle deblocking, protection portion with open and close the portion transmission and connect, work as the drive the portion of opening and close drives protection portion will when the syringe needle of intravenous needle tubing seals up completely, will make the syringe needle that makes used intravenous needle tubing keep apart with the external world through protection portion, and latch portion prevents that protection portion from receiving external force and influencing and leading to the syringe needle naked. The utility model provides a disposable venous blood taking needle has the convenient syringe needle that will make used intravenous needle tubing and seals up the deposit to prevent the effect that is stabbed by the needle point in the abandonment processing procedure.

Description

Disposable venous blood taking needle

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a disposable venous blood taking needle.

Background

In the medical field, medical staff acquire and acquire physiological and pathological information of human bodies through various means for correctly diagnosing diseases, wherein the acquisition of blood samples generally has the following three ways: 1. subcutaneous blood sampling is mainly used for simple classified counting detection of blood components, and subcutaneous (solid or triangular prism) blood sampling needles are mainly used; 2. the venous blood sampling can carry out detailed detection on hematology, blood etiology and other related subject indexes, has wide clinical application, and is mostly carried out by using a pen type or split type venous blood sampling needle; 3. the artery blood sampling is mainly used for detecting the artery blood gas indexes in critical emergency, is less in application and is mainly collected by using a special injector for artery blood sampling. The blood sample is collected and tested, and the aim is to analyze and detect blood components, obtain the blood components and the detection of the infection level of bacteriology and virology in blood, know the physiological and pathological conditions of human bodies, or know the effect after drug treatment, and judge the development, prognosis and prognosis of diseases, and the like.

The venous blood taking needle is a common blood taking mode, and the structure of the venous blood taking needle comprises a venous needle tube, a needle handle, a conduit and a vacuum bottle. When in use, the intravenous needle tube is inserted into the vein of a patient, and blood is pumped into the vacuum bottle through the intravenous needle tube and the catheter under the action of negative pressure; so relapse, can realize the collection of multitubular inferior blood sample, the blood sampling finishes, extracts the vein pjncture needle, and local hemostasis.

However, after blood collection, medical care personnel need to pull out the intravenous needle tube and discard the intravenous needle tube, and medical care personnel are often easily punctured by the needle tip in the process to cause cross infection and have high risk.

SUMMERY OF THE UTILITY MODEL

To above-mentioned problem, provide a disposable vein blood taking needle now, aim at realizing medical personnel and accomplish the back in the blood sampling, the convenient syringe needle with the vein needle tubing seals up the safekeeping to prevent the effect of being stabbed by the needle point in the abandonment processing procedure.

The specific technical scheme is as follows:

the utility model provides a disposable venous blood taking needle, includes intravenous needle tubing, needle handle, transmission pipe and vacuum flask communicate in order, be provided with on the needle handle and be used for preventing medical personnel quilt the protection portion that the syringe needle of intravenous needle tubing stabbed, be used for the drive the protection portion seals up the portion of opening and close of intravenous needle tubing with be used for preventing to be sealed up the latch of the syringe needle deblocking of intravenous needle tubing, the protection portion with the transmission of the portion of opening and close is connected, works as the drive the portion of opening and close drives the protection portion will when the syringe needle of intravenous needle tubing seals up completely, the latch with the protection portion joint, so that the protection portion can not the deblocking intravenous needle tubing.

Foretell disposable venous blood taking needle still has such characteristic, the protection part includes two arc guard plates, the needle handle is close to intravenous needle tube's one end terminal surface has seted up two and is used for holding the first holding tank of arc guard plate, and two first holding tank is located respectively intravenous needle tube's the left and right sides, two the arc guard plate all with it connects to open and close a transmission, it can drive two to open and close the portion the arc guard plate stretches out or retracts first holding tank, when two the arc guard plate stretches out completely during first holding tank, latch portion can make the arc guard plate can not retract first holding tank.

The beneficial effect of above-mentioned scheme: after the blood sampling is accomplished, medical personnel drive portion of opening and close makes two arc guard plates all stretch out first holding tank and protect respectively in intravenous needle tube both sides, can reduce the possibility that medical personnel are stabbed by the needle point when handling abandonment needle tube.

Foretell disposable venous blood taking needle still has such characteristic, the portion of opening and close includes catch bar and two connecting rods, two intercommunication two respectively have been seted up to the lateral wall of needle handle the spout of first holding tank, two the one end of connecting rod is passed respectively behind the spout with correspond the arc guard plate is close to the one end of transmission pipe is connected, two the other end of connecting rod all stretches out the spout extends to behind the needle handle outside with the both ends of catch bar are connected, shutting portion set up in the catch bar is close to one side of needle handle, works as the catch bar removes to when the needle handle is close to the one end of intravenous needle tubing, shutting portion starts, and makes the catch bar can not the reverse motion.

The beneficial effect of above-mentioned scheme: after the blood sampling is accomplished, medical personnel only need to promote the catch bar to the syringe needle direction, and two connecting rods drive two arc guard plates respectively and stretch out first holding tank, protect the syringe needle until two arc guard plates.

Foretell disposable venous blood taking needle still has such characteristic, latch part includes joint piece and spring, the catch bar is close to the second holding tank has been seted up on one side of needle handle, spring one end with the diapire of second holding tank is connected, the other end of spring with the one end of joint piece is connected, the needle handle is close to the joint groove has been seted up to the one end lateral wall of intravenous needle pipe, works as the arc guard plate will when the syringe needle of intravenous needle pipe is sealed up, the notch of second holding tank is just right the notch in joint groove, just spring drive the joint piece inserts in the joint groove.

The beneficial effect of above-mentioned scheme: prevent that the arc guard plate from receiving external force effect time withdrawal first holding tank, lead to the syringe needle to expose outside, can also prevent that used blood taking needle from being retrieved reuse by bad molecule.

The disposable venous blood taking needle is characterized in that the needle handle is columnar, and the cross section of the needle handle is elliptic.

The beneficial effect of above-mentioned scheme: in the blood sampling process, the intravenous needle tube is attached to the blood sampling part of a patient as much as possible.

In conclusion, the scheme has the beneficial effects that:

the utility model provides an among the disposable vein blood taking needle, the syringe needle that will make used vein needle tubing through the protection part is kept apart with the external world, and the shutting prevents that the protection part from receiving the influence of external force and leading to the syringe needle to expose. The utility model provides a disposable venous blood taking needle has the convenient syringe needle that will make used intravenous needle tubing and seals up the deposit to prevent the effect that is stabbed by the needle point in the abandonment processing procedure.

Drawings

FIG. 1 is a schematic structural view of a disposable venous blood taking needle of the present invention before use;

FIG. 2 is a schematic structural view of the disposable venous blood taking needle of the present invention after use;

FIG. 3 is a schematic view of a top-down structure of the disposable venous blood taking needle of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

Description of the drawings: 1. an intravenous needle tube; 2. a needle handle; 3. a conveying pipe; 4. a vacuum bottle; 5. an arc-shaped protection plate; 6. a chute; 7. a push rod; 8. a connecting rod; 9. a spring; 10. a clamping block; 11. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be further described with reference to the following specific examples, which should not be construed as limiting the invention.

FIG. 1 is a schematic structural diagram of a disposable venous blood taking needle of the present invention before use, FIG. 2 is a schematic structural diagram of a disposable venous blood taking needle of the present invention after use, FIG. 3 is a schematic structural diagram of a disposable venous blood taking needle of the present invention in a top-cut manner, FIG. 4 is a schematic structural diagram of an enlarged portion A of FIG. 3 of the present invention, as shown in FIGS. 1, 2, 3 and 4, the disposable venous blood taking needle provided in this embodiment comprises a venous needle tube 1, a needle handle 2, a transmission tube 3 and a vacuum bottle 4, the needle handle 2, the transmission tube 3 and the vacuum bottle 4 are sequentially communicated, the needle handle 2 is provided with a protection portion for preventing medical personnel from being punctured by the needle of the venous needle tube 1, an opening and closing portion for driving the needle of the venous needle tube 1 to be sealed by the protection portion, and a locking portion for preventing the needle of the venous needle tube 1 from being sealed, the opening and closing portion are in transmission connection, when the driving opening and closing part drives the protection part to completely seal the needle head of the intravenous needle tube 1, the locking part is clamped with the protection part, so that the protection part cannot unseal the intravenous needle tube 1.

In the above-mentioned embodiment, the protection portion includes two arc protection plates 5, two first holding tanks that are used for holding arc protection plate 5 are offered to the one end terminal surface that needle handle 2 is close to intravenous needle pipe 1, and two first holding tanks are located intravenous needle pipe 1's the left and right sides respectively, two arc protection plates 5 all are connected with the transmission of portion of opening and close, it can drive two arc protection plates 5 and stretch out or retract first holding tanks to open and close the portion, when two arc protection plates 5 stretched out first holding tanks completely, the latch portion can make arc protection plate 5 can not retract first holding tank.

In the above-mentioned embodiment, the portion of opening and close includes catch bar 7 and two connecting rods 8, two spouts 6 that communicate two first holding tanks respectively are seted up to the lateral wall of needle handle 2, the one end of two connecting rods 8 is passed respectively behind spout 6 and is connected near the one end of transmission pipe 3 with the arc guard plate 5 that corresponds, the other end of two connecting rods 8 all stretches out spout 6 and extends to and be connected with catch bar 7's both ends behind the needle handle 2 outside, the shutting sets up in one side that catch bar 7 is close to needle handle 2, when catch bar 7 removes to needle handle 2 and is close to the one end of needle tubing vein 1, the shutting starts, and make catch bar 7 can not the reverse motion.

In the above-mentioned embodiment, shutting portion includes joint piece 10 and spring 9, the second holding tank has been seted up on the one side that catch bar 7 is close to needle handle 2, spring 9 one end is connected with the diapire of second holding tank, spring 9's the other end is connected with the one end of joint piece 10, joint groove 11 has been seted up to the one end lateral wall that needle handle 2 is close to intravenous needle tube 1, when arc guard plate 5 seals up intravenous needle tube 1's syringe needle and deposits, the notch of second holding tank just is just to the notch of joint groove 11, and spring 9 drive joint piece 10 inserts in the joint groove 11.

In the above embodiment, the needle shaft 2 is provided in a columnar shape, and its cross section is elliptical.

Theory of operation, the back is accomplished in the blood sampling, and drive catch bar 7 makes it to surpass the motion of 1 direction of vein needle tubing, drives two arc guard plates 5 simultaneously through two connecting rods 8 and stretches out first holding tank, protects vein needle tubing 1's syringe needle completely until two arc guard plates 5, and the notch of second holding tank is just to the notch of joint groove 11 this moment, and joint piece 10 accomplishes the protection promptly in joint groove 11 is inserted to the effect of spring 9.

The above is merely a preferred embodiment of the present invention, and not intended to limit the scope and the range of the present invention, and those skilled in the art should be able to realize that all the equivalent substitutions and obvious changes made by the present invention description should be included in the scope of the present invention.

Claims

1. A disposable venous blood collection needle, comprising an intravenous needle tube (1), a needle handle (2), a transmission tube (3) and a vacuum bottle (4), the needle handle (2), the transmission tube (3) and the vacuum The bottles (4) are connected in sequence, and it is characterized in that: the needle handle (2) is provided with a protective part for preventing medical staff from being stabbed by the needle of the intravenous needle (1), and is used for driving the protective part to seal The opening and closing part of the needle of the intravenous needle tube (1) and the blocking part for preventing the needle from being sealed in the intravenous needle tube (1) from being unsealed; When the opening and closing part drives the protective part to completely seal the needle of the intravenous needle tube (1), the locking part is clamped with the protective part, so that the protective part cannot unseal the intravenous needle tube (1). ).

2. A disposable venous blood collection needle according to claim 1, characterized in that: the protective part comprises two arc-shaped protective plates (5), and the needle handle (2) is close to the venous needle tube (1). ) is provided with two first accommodating grooves for accommodating the arc-shaped protective plate (5), and the two first accommodating grooves are respectively located on the left and right sides of the venous needle tube (1). Each of the arc-shaped protective plates (5) is in driving connection with the opening and closing part, and the opening and closing part can drive the two arc-shaped protective plates (5) to extend or retract into the first accommodating groove, When the two arc-shaped protective plates (5) completely extend out of the first accommodating groove, the blocking portion can prevent the arc-shaped protective plates (5) from retracting into the first accommodating groove.

3. A disposable venous blood collection needle according to claim 2, characterized in that: the opening and closing part comprises a push rod (7) and two connecting rods (8), and the side of the needle handle (2) The wall is provided with two sliding grooves (6) respectively communicating with the two first accommodating grooves, and one end of the two connecting rods (8) respectively passes through the sliding grooves (6) and communicates with the corresponding arcs after passing through the sliding grooves (6). The protective plate (5) is connected to one end of the transmission pipe (3), and the other ends of the two connecting rods (8) protrude from the chute (6) and extend to the needle handle (2). The external rear is connected to the two ends of the push rod (7), and the locking part is arranged on the side of the push rod (7) close to the needle handle (2). When the push rod (7) moves to When the needle handle (2) is close to one end of the venous needle tube (1), the blocking part is activated, and the push rod (7) cannot move in the opposite direction.

4. A disposable venous blood collection needle according to claim 3, characterized in that: the locking part comprises a clamping block (10) and a spring (9), and the push rod (7) is close to the needle handle One side of (2) is provided with a second accommodating groove, one end of the spring (9) is connected to the bottom wall of the second accommodating groove, and the other end of the spring (9) is connected to the clamping block ( 10) is connected to one end of the needle handle (2) close to the side wall of one end of the venous needle tube (1). 1) When the needle head of 1) is sealed, the notch of the second accommodating slot is just opposite to the notch of the snap-fit slot (11), and the spring (9) drives the snap-fit block (10) to be inserted into the snap-fit slot. slot (11).

5. A disposable venous blood collection needle according to any one of claims 1-4, characterized in that: the needle handle (2) is arranged in a columnar shape, and its cross section is oval.