CN213526857U

CN213526857U - Blood taking needle used in cooperation with indwelling needle

Info

Publication number: CN213526857U
Application number: CN202021727822.7U
Authority: CN
Inventors: 陈斯; 陈友婷; 顾宇杭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-06-25
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to the technical field of medical equipment, concretely relates to blood taking needle that needle used is kept somewhere in cooperation, including main body mechanism, main body mechanism is including keeping somewhere needle interface, first connecting pipe, second connecting pipe, sealed lid, regulator and blood taking needle, keep somewhere the right side of needle interface and install docking mechanism, and docking mechanism's right side is connected with first connecting pipe, the top of first connecting pipe is connected with the second connecting pipe, and the top threaded connection of second connecting pipe has sealed lid, the regulator has been cup jointed on the surface of first connecting pipe, the right side fixedly connected with blood taking needle of first connecting pipe, and the surface of blood taking needle is provided with coupling mechanism. The utility model discloses be provided with docking mechanism, it is simple quick to keep somewhere the needle interface and be connected with the third connecting pipe, and the operation is labour saving and time saving, can directly pour into blood into the blood sampling intraductally through coupling mechanism, is difficult for causing blood pollution.

Description

Blood taking needle used in cooperation with indwelling needle

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a blood taking needle used by a matched indwelling needle.

Background

Along with the continuous development of the society, the collection of blood samples is a commonly used nursing operation in clinical work, when the blood taking needle is used together with a vacuum blood taking tube at present, the vein puncture needs to be carried out on a patient, the puncture frequency of the patient is increased by repeatedly carrying out the steel needle puncture on the patient, the pain is brought to the patient, and the existing method is to directly connect an indwelling needle interface with an injector to draw blood.

Most of existing blood taking needles are connected with an interface of an indwelling needle through threads, the threads need to be manually and continuously rotated to be closed in a butt joint mode, but the time needed by operation is not suitable for the first-aid situation for a long time, meanwhile, the blood taking needle is injected into the blood taking tube after blood collection, the protection tubes need to be detached one by one, operation is troublesome, blood pollution is easily caused, and therefore the problem is solved in cooperation with the blood taking needle used by the indwelling needle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blood taking needle that needle used is kept somewhere in the cooperation to the operating time of butt joint that proposes in the solution above-mentioned background is of a specified duration and pours into the trouble-operated problem of heparin tube into.

In order to achieve the above object, the utility model provides a following technical scheme: a blood taking needle matched with an indwelling needle for use comprises a main body mechanism, wherein the main body mechanism comprises an indwelling needle interface, a first connecting pipe, a second connecting pipe, a sealing cover, an adjuster and a blood taking needle, the right side of the indwelling needle interface is provided with a docking mechanism, the right side of the docking mechanism is connected with the first connecting pipe, the top end of the first connecting pipe is connected with the second connecting pipe, the top end of the second connecting pipe is in threaded connection with the sealing cover, the surface of the first connecting pipe is sleeved with the adjuster, the right side of the first connecting pipe is fixedly connected with the blood taking needle, the surface of the blood taking needle is provided with the connecting mechanism, the connecting mechanism comprises a first sleeve, a second rubber pad, a second sleeve, a second spring, a baffle and sterilization cotton, the surface of the first sleeve is sleeved with the second sleeve, the right side of the second sleeve is hinged with the baffle, the, and the left side of cotton that disinfects is connected with the second spring, the sheathed tube inner wall of second is fixed with the second rubber pad, docking mechanism includes third connecting pipe, first connecting block, first spring, second connecting block, first rubber pad and dead lever, the fixed surface of third connecting pipe has first connecting block, and the first spring of left side fixedly connected with of first connecting block, the left side of first spring is connected with the second connecting block, and the left side surface of second connecting block is connected with first rubber pad, the fixed surface of third connecting pipe has the dead lever.

Preferably, the inner wall of the indwelling needle port is provided with L-shaped grooves, and the grooves are provided with two groups.

Preferably, the left side of the second connecting block is regarded as a circular ring-shaped structure, and the cross section of the second connecting block is in an L shape.

Preferably, the fixing rod is of a cylindrical structure, and the position of the fixing rod is distributed corresponding to the position of the groove in the indwelling needle interface.

Preferably, the second rubber pad is arranged on the inner wall of the second sleeve close to the right side of the blood taking needle and is of an annular structure.

Preferably, the diameter of the outer wall of the baffle is the same as that of the inner wall of the second sleeve, and the baffle is of a circular structure.

Compared with the prior art, the beneficial effects of the utility model are that: this blood taking needle that needle used is stayed in cooperation is provided with docking mechanism, keeps somewhere the needle interface and is connected simply fast with the third connecting pipe, and the operation is labour saving and time saving, can directly pour into blood into the blood sampling intraductal through coupling mechanism, is difficult for causing blood pollution.

(1) The device is provided with docking mechanism, and rotatory third connecting pipe just can butt joint keep somewhere needle interface and third connecting pipe, keeps somewhere the needle interface and is connected simply fast with the third connecting pipe, has guaranteed through first rubber pad that keep somewhere the leakproofness of needle interface and third connecting pipe butt joint, and this operation labour saving and time saving is applicable to under the condition of first aid.

(2) The device makes things convenient for the heparin tube directly to insert through coupling mechanism and establishes the inside at the second sleeve, and the blood taking needle can be directly with in the blood injection blood sampling pipe, easy operation is swift, need not dismantle first sleeve pipe and second sleeve pipe, easy operation, and be difficult for causing blood pollution.

Drawings

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

FIG. 2 is a schematic front view of the main body mechanism and the docking mechanism of the present invention;

fig. 3 is a schematic front sectional view of the docking state structure of the main body mechanism and the docking mechanism of the present invention;

fig. 4 is a schematic view of the front view of the structure of the present invention.

In the figure: 100. a main body mechanism; 110. an indwelling needle interface; 120. a first connecting pipe; 130. a second connecting pipe; 140. a sealing cover; 150. a regulator; 160. a blood collection needle; 200. a docking mechanism; 210. a third connecting pipe; 220. a first connection block; 230. a first spring; 240. a second connecting block; 250. a first rubber pad; 260. fixing the rod; 300. a connecting mechanism; 310. a first sleeve; 320. a second rubber pad; 330. a second sleeve; 340. a second spring; 350. a baffle plate; 360. sterilizing cotton.

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, the present invention provides an embodiment:

the utility model provides a blood taking needle that needle used is kept somewhere in cooperation, including main body mechanism 100, main body mechanism 100 is including keeping somewhere needle interface 110, first connecting pipe 120, second connecting pipe 130, sealed lid 140, regulator 150 and blood taking needle 160, docking mechanism 200 is installed on the right side of keeping somewhere needle interface 110, it has offered "L" shape recess to keep somewhere the inner wall of needle interface 110, and the recess is provided with two sets ofly, dead lever 260 can insert and establish in the recess, thereby fix third connecting pipe 210, docking mechanism 200's right side is connected with first connecting pipe 120, the top of first connecting pipe 120 is connected with second connecting pipe 130, and the top threaded connection of second connecting pipe 130 has sealed lid 140, regulator connecting pipe 150 has been cup jointed on the surface of first connecting pipe 120, the right side fixedly connected with blood taking needle 160 of first connecting pipe 120, and the surface of blood taking needle.

Coupling mechanism 300 includes first sleeve 310, second rubber pad 320, second sleeve 330, second spring 340, baffle 350 and cotton 360 disinfects, second sleeve 330 has been cup jointed on the surface of first sleeve 310, and the right side of second sleeve 330 articulates there is baffle 350, the outer wall diameter size of baffle 350 is the same with the inner wall diameter size of second sleeve 330, baffle 350 is circular structure, baffle 350 plays sealed effect to second sleeve 330 is inside, and baffle 350 can open, the left side surface of baffle 350 is connected with cotton 360 disinfects, and cotton 360's the left side of disinfecting is connected with second spring 340, the inner wall of second sleeve 330 is fixed with second rubber pad 320, second rubber pad 320 sets up on second sleeve 330 is close to the inner wall on blood taking needle 160 right side, second rubber pad 320 is the annular structure, second rubber pad 320 can the centre gripping fix the blood taking tube, the convenience is taken a blood.

The docking mechanism 200 includes a third connection pipe 210, a first connection block 220, a first spring 230, a second connection block 240, a first rubber pad 250 and a fixing rod 260, the first connection block 220 is fixed on the surface of the third connection pipe 210, the first spring 230 is fixedly connected to the left side of the first connection block 220, the second connection block 240 is connected to the left side of the first spring 230, the left side of the second connection block 240 is regarded as a circular ring structure, the cross section of the second connection block 240 is "L" shaped, the second connection block 240 can be clamped on the surface of the indwelling needle hub 110, the first rubber pad 250 and the indwelling needle hub 110 are mutually abutted, the sealing performance of the indwelling needle hub 110 and the third connection pipe 210 is ensured, the first rubber pad 250 is connected to the left side surface of the second connection block 240, the fixing rod 260 is fixed on the surface of the third connection pipe 210, the fixing rod 260 is in a cylindrical structure, and the position of the fixing rod 260 corresponds to the position of the groove inside the indwelling, the fixing lever 260 can be inserted into the groove, thereby limiting the position of the third connection pipe 210.

The working principle is as follows: when needing to be docked with the indwelling needle interface 110, insert the dead lever 260 in the inside recess of indwelling needle interface 110, first rubber pad 250 and second connecting block 240 can extrude first spring 230, under the elasticity of first spring 230, manual anticlockwise rotation third connecting pipe 210 makes dead lever 260 card inside the recess, it is successful and keep somewhere needle interface 110 and strong leakproofness between needle interface 110 and the third connecting pipe 210 to keep somewhere to dock needle interface 110 with third connecting pipe 210, after the operation is accomplished, directly insert the heparin tube inside the right side of establishing at second sleeve 330, baffle 350 is opened, blood taking needle 160 directly inserts and establishes inside the heparin tube simultaneously, the heparin tube is fixed convenient blood sampling under the extrusion of second rubber pad 320, easy operation is swift, the cotton 360 that disinfect has guaranteed the inside cleanliness of second sleeve 330, avoid blood infection.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A blood collection needle used in cooperation with an indwelling needle includes a main body mechanism (100), and is characterized in that: main part mechanism (100) is including keeping somewhere needle interface (110), first connecting pipe (120), second connecting pipe (130), sealed lid (140), regulator (150) and blood taking needle (160), docking mechanism (200) are installed on the right side of keeping somewhere needle interface (110), and the right side of docking mechanism (200) is connected with first connecting pipe (120), the top of first connecting pipe (120) is connected with second connecting pipe (130), and the top threaded connection of second connecting pipe (130) has sealed lid (140), regulator (150) have been cup jointed on the surface of first connecting pipe (120), the right side fixedly connected with blood taking needle (160) of first connecting pipe (120), and the surface of blood taking needle (160) is provided with coupling mechanism (300), coupling mechanism (300) include first sleeve pipe (310), second rubber pad (320), second sleeve pipe (330), The surface of the first sleeve (310) is sleeved with a second sleeve (330), the right side of the second sleeve (330) is hinged with a baffle (350), the left side surface of the baffle (350) is connected with sterilization cotton (360), the left side of the sterilization cotton (360) is connected with the second spring (340), the inner wall of the second sleeve (330) is fixed with a second rubber pad (320), the docking mechanism (200) comprises a third connecting pipe (210), a first connecting block (220), a first spring (230), a second connecting block (240), a first rubber pad (250) and a fixing rod (260), the surface of the third connecting pipe (210) is fixed with the first connecting block (220), the left side of the first connecting block (220) is fixedly connected with the first spring (230), the left side of the first spring (230) is connected with the second connecting block (240), and the left side surface of the second connecting block (240) is connected with a first rubber pad (250), and a fixing rod (260) is fixed on the surface of the third connecting pipe (210).

2. A blood collection needle for use with an indwelling needle according to claim 1, wherein: the inner wall of the indwelling needle port (110) is provided with L-shaped grooves, and the grooves are provided with two groups.

3. A blood collection needle for use with an indwelling needle according to claim 1, wherein: the left side of the second connecting block (240) is regarded as a circular ring-shaped structure, and the cross section of the second connecting block (240) is L-shaped.

4. A blood collection needle for use with an indwelling needle according to claim 1, wherein: the fixing rod (260) is of a cylindrical structure, and the position of the fixing rod (260) is distributed corresponding to the position of the groove in the indwelling needle port (110).

5. A blood collection needle for use with an indwelling needle according to claim 1, wherein: the second rubber pad (320) is arranged on the inner wall of the second sleeve (330) close to the right side of the blood taking needle (160), and the second rubber pad (320) is of an annular structure.

6. A blood collection needle for use with an indwelling needle according to claim 1, wherein: the diameter of the outer wall of the baffle (350) is the same as that of the inner wall of the second sleeve (330), and the baffle (350) is of a circular structure.