CN211460245U

CN211460245U - Venous blood taking needle with split type protective sheath

Info

Publication number: CN211460245U
Application number: CN201921735447.8U
Authority: CN
Inventors: 张文
Original assignee: Shandong Wuzhou Medical Instrument Co ltd
Current assignee: Shandong Wuzhou Medical Instrument Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-09-11
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a vein blood taking needle with split type protective sheath belongs to medical equipment technical field. A vein blood taking needle with a split type protective sleeve comprises a positioning cavity, a first needle head and a second needle head, wherein the first needle head is fixedly connected inside the positioning cavity, the second needle head is connected with the first needle head through a hose, a fixed block is connected onto the second needle head, a wing plate is connected onto the fixed block and is integrally formed with the fixed block, a sliding groove is formed in the fixed block, a sleeve is connected onto the outer wall of the fixed block in a sliding mode, a sliding block is connected onto the inner wall of the sleeve and is integrally formed with the sleeve, the sliding block is connected into the sliding groove in a sliding mode, a groove is formed in the outer wall of the sleeve, and a resistance block; the utility model discloses use the sliding connection of sleeve and fixed block, make medical personnel finish the back at the venous blood sampling, directly press the sleeve, can directly withdraw the syringe needle to the sleeve in, effectively avoided medical personnel to be pricked the risk of infecting.

Description

Venous blood taking needle with split type protective sheath

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a venous blood taking needle with split type protective sheath.

Background

With the progress of medical technology, various advanced medical instruments provide great convenience for people, more and more people start to carry out regular physical examination, and blood drawing and testing are indispensable in the whole examination process; according to statistics, the blood taking needle is one of the medical instrument products with the largest consumption in the market at present, but in hospitals of all countries around the world, because of human body injury accidents of the blood taking needle caused by breakage of the needle head of the blood taking needle or improper operation of medical staff, millions of medical staff occur each year in China, most of the medical staff have experience of being punctured by the needle head in different degrees, and the infection frequency of the medical staff is greatly increased.

In the prior art, most hospitals sleeve the taken-off needle cap on the blood taking needle after use, but medical care personnel are easy to stab when the needle cap is sleeved back; therefore, how to effectively prevent the puncture wound and ensure that the blood sampling process is safer and more reliable is an urgent problem to be solved in the current market, and the design of the venous blood sampling needle with the split type protective sleeve is also important.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing the venous blood taking needle with the split type protective sleeve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a vein blood taking needle with split type protective sheath, includes location chamber, first syringe needle and second syringe needle, first syringe needle fixed connection is in location intracavity portion, the second syringe needle passes through the hose and links to each other with first syringe needle, be connected with the fixed block on the second syringe needle, be connected with the pterygoid lamina on the fixed block and be integrated into one piece with the fixed block, the spout has been seted up on the fixed block, just fixed block outer wall sliding connection has the sleeve pipe, intraductal wall of cover is connected with the slider and is integrated into one piece with the sleeve pipe, slider sliding connection is in the spout, sleeve pipe outer wall is seted up flutedly, it has resistance piece to be connected on the.

Preferably, the first needle is sleeved with a first rubber sleeve, and the second needle is sleeved with a second rubber sleeve.

Preferably, the top of the fixed block is connected with a positioning block, and the hose penetrates through the positioning block and is connected with the second needle.

Preferably, the positioning cavity is connected with a guide plate and is integrally formed with the positioning cavity.

Preferably, the sleeve and the wing plate are made of rubber.

Preferably, the number of the wing plates is two.

Compared with the prior art, the utility model provides a venous blood taking needle with split type protective sheath possesses following beneficial effect:

1. the venous blood taking needle with the split type protective sleeve is characterized in that when a person needing blood drawing is to be subjected to blood drawing, the arm of the person is disinfected, the positioning cavity is taken out of the vacuum bag, the first rubber sleeve on the first needle and the second rubber sleeve on the second needle are taken down, a finger holds the wing plate to prick the second needle into the blood vessel position of the arm, the finger is fixed by using a medical adhesive tape, the vacuum tube is taken out and inserted into the first needle in the positioning cavity, the guide plate can assist a nurse to insert the vacuum tube more smoothly, after the blood drawing of the vacuum tube is finished, the vacuum tube is taken down, the medical adhesive tape is torn down, the finger presses the sleeve, the second needle is pulled out, specifically, the finger presses the resistance block on the groove, the other hand holds the wing plate to draw out the second needle, in the process of drawing out the second needle, the sliding block on the inner wall of the connecting sleeve slides in the sliding groove formed in the, thereby make the sleeve pipe slide to the tip department of second syringe needle, cover the needle point, stretch out at the sleeve pipe and finish the back, can be lost disposable blood taking needle and concentrate the processing incasement, needn't overlap syringe needle protective sleeve back on the syringe needle again to effectively avoided medical personnel to be pricked the risk of hindering, not only reduced medical personnel by the risk of syringe needle prick infection through sleeve and fixed block sliding connection and still protected the safety of concentrating the disposable blood taking needle personnel of processing.

2. This blood taking needle with split type protective sheath is connected with the locating piece through the fixed block top, and the hose runs through the locating piece and links to each other with the second syringe needle, uses the locating piece to carry out the transitivity location with the junction of hose and second syringe needle, and the fracture when preventing to use leads to the bacterium to get into.

Drawings

FIG. 1 is a front view of a venous blood taking needle with a split protective cover according to the present invention;

FIG. 2 is a first schematic structural view of a venous blood taking needle with a split protective cover of the present invention;

FIG. 3 is a schematic structural view of a venous blood taking needle with a split type protective sheath according to the present invention;

fig. 4 is a schematic structural view of a venous blood taking needle sleeve with a split protective sleeve provided by the utility model.

In the figure: 1. a positioning cavity; 101. a guide plate; 102. a hose; 103. a first needle; 1031. a first rubber sleeve; 2. a fixed block; 201. a wing plate; 202. positioning blocks; 203. a chute; 204. a second needle; 2041. a second rubber sleeve; 3. a sleeve; 301. a groove; 302. a resistance block; 303. a slide block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, a vein blood taking needle with split type protective sheath, including location chamber 1, first syringe needle 103 and second syringe needle 204, first syringe needle 103 fixed connection is inside location chamber 1, second syringe needle 204 passes through hose 102 and links to each other with first syringe needle 103, be connected with fixed block 2 on the second syringe needle 204, be connected with pterygoid lamina 201 on the fixed block 2 and with fixed block 2 be integrated into one piece, spout 203 has been seted up on the fixed block 2, and 2 outer wall sliding connection of fixed block have

sleeve pipe

3, 3 inner wall connection of sleeve pipe have slider 303 and with sleeve pipe 3 be integrated into one piece, slider 303 sliding connection is in spout 203, sleeve pipe 3 outer wall is seted up flutedly 301, be connected with resistance piece 302 on the flutedly 301.

The first needle 103 is sleeved with a first rubber sleeve 1031, and the second needle 204 is sleeved with a second rubber sleeve 2041.

Referring to fig. 2, a positioning block 202 is connected to the top of the fixing block 2, the hose 102 penetrates through the positioning block 202 and is connected to the second needle 204, and the positioning block 202 is used for transitionally positioning the connection between the hose 102 and the second needle 204, so as to prevent bacteria from entering due to rupture during use.

The positioning cavity 1 is connected with a guide plate 101 and integrally formed with the positioning cavity 1.

The sleeve 3 and the wing plate 201 are made of rubber; the number of the wing plates 201 is specifically two.

The working principle is as follows: in the utility model, when the person who needs to draw blood is to be taken out, the arm of the person is disinfected, the positioning cavity 1 is taken out from the vacuum bag, the first rubber sleeve 1031 on the first needle 103 and the second rubber sleeve 2041 on the second needle 204 are taken down, the finger holds the wing plate 201 to prick the second needle 204 into the blood vessel position of the arm, the vacuum tube is fixed by using the medical adhesive tape, the vacuum tube is taken out to be inserted into the first needle 103 in the positioning cavity 1, at this point, the guide plate 101 can assist the nurse to insert the vacuum tube more smoothly, after the blood is taken out from the vacuum tube, the vacuum tube is taken down, the medical adhesive tape is torn down, the finger presses on the sleeve 3, the second needle 204 is pulled out, specifically, the finger presses on the resistance block 302 on the groove 301, the wing plate 201 is held by the other hand to take out the second needle 204, in the process of taking out the second needle 204, the sliding chute 203 arranged on the sliding block 303 on the inner wall of the connecting sleeve 3 slides, thereby make sleeve pipe 3 slide to the tip department of second syringe needle 204, cover the needle point, stretch out at sleeve pipe 3 and finish the back, can be lost disposable blood taking needle and concentrate the processing incasement, needn't overlap syringe needle protective sleeve back on the syringe needle again to effectively avoided medical personnel's risk of being pricked, not only reduced medical personnel and pricked the risk of infecting by the syringe needle through sleeve and 2 sliding connection of fixed block and still protected the safety of concentrating the disposable blood taking needle personnel.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a vein blood taking needle with split type protective sheath, includes location chamber (1), first syringe needle (103) and second syringe needle (204), first syringe needle (103) fixed connection is inside location chamber (1), second syringe needle (204) link to each other with first syringe needle (103) through hose (102), its characterized in that, be connected with fixed block (2) on second syringe needle (204), be connected with pterygoid lamina (201) on fixed block (2) and be integrated into one piece with fixed block (2), spout (203) has been seted up on fixed block (2), and fixed block (2) outer wall sliding connection has sleeve pipe (3), sleeve pipe (3) inner wall connection has slider (303) and be integrated into one piece with sleeve pipe (3), slider (303) sliding connection is in spout (203), sleeve pipe (3) outer wall is seted up fluted (301), the groove (301) is connected with a resistance block (302).

2. A lancet with a split protective cover according to claim 1, wherein a first rubber cover (1031) is sleeved on the first needle (103), and a second rubber cover (2041) is sleeved on the second needle (204).

3. The intravenous blood taking needle with the split type protective sleeve is characterized in that a positioning block (202) is connected to the top of the fixing block (2), and the hose (102) penetrates through the positioning block (202) and is connected with the second needle (204).

4. The intravenous blood taking needle with the split type protective sleeve of claim 1, characterized in that the positioning cavity (1) is connected with a guide plate (101) and is integrally formed with the positioning cavity (1).

5. The intravenous blood collection needle with a split type protective sheath of claim 1, characterized in that the sleeve (3) and the wing plate (201) are made of rubber.

6. An intravenous blood lancet with a split protective cover according to claim 1, characterized in that the number of the wing plates (201) is two.