CN215017578U - Visual blood return Y-shaped blood taking needle - Google Patents

Abstract

The utility model discloses a visual blood return Y type blood taking needle, including the blood taking needle, main heparin tube and bottle plug pjncture needle, blood taking needle and main heparin tube one end fixed connection, the cover is equipped with the flow stopping clamp on the main heparin tube, the front end of first branch pipe is connected with the bottle plug pjncture needle, the fixed ripple rubber sleeve that covers the bottle plug pjncture needle that is equipped with on the needle handle of bottle plug pjncture needle, the front end of second branch pipe is connected with the malleation and connects, the outside common cover of first branch pipe and second branch pipe is equipped with the flow stopping device, the flow stopping device passes through connecting rod fixed connection by three limiting plates and constitutes, and the landing tooth groove has all been seted up to the opposite side of two adjacent limiting plates, under every slider and be located the fixed splint that are equipped with of landing tooth tank bottom. The utility model discloses set up soft protective sheath that can kick-back automatically on bottle plug pjncture needle and prevent that the needle prick from hindering, and be convenient for the break-make of each pipeline of centralized control through setting up the current stopping device, the simplified operation, convenient to use.

Description

Visual blood return Y-shaped blood taking needle

Technical Field

The utility model relates to the field of medical equipment, in particular to a visual blood return Y-shaped blood taking needle.

Background

Blood taking needle on the market is two-way blood taking needle of straight type at present, and one end is the blood sampling pjncture needle, and one end is for dismantling straight type bottle plug puncture syringe needle, and operation flow is during the use: the blood sampling puncture needle punctures into the vein and keeps somewhere the needle, turns over the transparent rubber tube to prevent the blood outflow, then dismantles bottle plug puncture needle head, inserts the syringe nipple, after extracting 1ml blood, turns over the transparent rubber tube again, and the syringe abandonment that will be equipped with blood again inserts bottle plug puncture needle head, pierces the vacuum blood sampling needle with the bottle plug puncture needle again and takes a blood sample. In this process, the bottle stopper puncturing needle needs to be repeatedly detached and loaded, and blood outflow, blood contamination and the like are easily caused during detachment, so that the above problems need to be solved urgently.

Utility model inner

For solving the problem that the background art exists, the utility model provides a visual return blood Y type blood taking needle prevents that the needle stick from hindering through setting up soft protective sheath that can kick-back automatically on bottle plug pjncture needle head, and is convenient for the break-make of each pipeline of centralized control through setting up the flow stopping device, simplified operation, convenient to use.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a visual blood return Y-shaped blood taking needle, which comprises a blood taking needle head, a main blood taking tube and a bottle stopper puncture needle, wherein the blood taking needle head is fixedly connected with one end of the main blood taking tube, the flow stopping clamp is sleeved on the main blood taking tube, the other end of the main blood taking tube is respectively communicated with a first branch tube and a second branch tube, the front end of the first branch tube is connected with the bottle stopper puncture needle, a corrugated rubber sleeve covering the bottle stopper puncture needle is fixedly arranged on a needle handle of the bottle stopper puncture needle, the front end of the second branch tube is connected with a positive pressure joint, the flow stopping devices are sleeved outside the first branch tube and the second branch tube together and are formed by fixedly connecting three limiting plates through connecting rods, and the opposite sides of two adjacent limiting plates are provided with sliding tooth grooves, a sliding block which is meshed with the sliding tooth grooves and is provided with sliding teeth at two ends is arranged between every two opposite sliding tooth grooves, and a clamping plate is fixedly arranged under each sliding block and at the bottom end of each sliding tooth groove.

Furthermore, the sliding teeth at the two ends of the sliding block are arranged in a relatively complementary mode.

Further, the sliding teeth in each two opposite sliding tooth grooves are arranged in a relatively complementary mode.

Further, the connecting rod is positioned lower than the clamping plate.

Further, the bottom of slider and the top of splint all are equipped with the arc arch.

Furthermore, the top of each sliding block is fixedly provided with a pull ring.

Compared with the prior art, the utility model discloses following beneficial effect has: according to the visual blood return Y-shaped blood taking needle, the corrugated rubber sleeve capable of rebounding automatically is sleeved on the bottle stopper puncture needle, so that puncture injury can be prevented when a bottle stopper is punctured or pulled out; the flow stopping clamp and the flow stopping device are respectively and correspondingly arranged on the main blood sampling tube and the two branch tubes, so that the on-off of the corresponding pipeline can be controlled conveniently, and different operation requirements can be realized without dismounting and mounting for multiple times.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of a visible blood return Y-shaped blood taking needle of the present invention;

FIG. 2 is a schematic view of the structure of the flow stopping device;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a top view of FIG. 2;

fig. 5 is an enlarged view of a in fig. 1.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in figures 1 to 5, a visual blood return Y-shaped blood taking needle comprises a blood taking needle head 1, a main blood taking tube 2 and a bottle stopper puncture needle 9, wherein the blood taking needle head 1 is fixedly connected with one end of the main blood taking tube 2, a flow stopping clamp 3 is sleeved on the main blood taking tube 2 and used for controlling the on-off of the main blood taking tube 2, the other end of the main blood taking tube 2 is respectively communicated with a first branch tube 5 and a second branch tube 6, the front end of the first branch tube 5 is connected with the bottle stopper puncture needle 9, a corrugated rubber sleeve 8 covering the bottle stopper puncture needle 9 is fixedly arranged on a needle handle of the bottle stopper puncture needle 9 and plays a role of preventing puncture when the bottle stopper is punctured or pulled out, a positive pressure connector 7 is connected with the front end of the second branch tube 6 and used for being connected with an injector, a flow stopping device 4 is sleeved outside the first branch tube 5 and the second branch tube 6 together and used for controlling the on-off of the first branch tube 5 and the second branch tube 6, the flow stopping device 4 is fixedly connected by three limiting plates 401 through a connecting rod 403, and the opposite side surfaces of two adjacent limiting plates 401 are all provided with a sliding tooth groove 402, a sliding block 404 which is meshed with the sliding tooth grooves is arranged between every two opposite sliding tooth grooves 402, a clamping plate 405 is fixedly arranged right below each sliding block 404 and at the bottom end of each sliding tooth groove 402, the first branch pipe 5 and the second branch pipe 6 penetrate to the upper side of the clamping plate 405 through the lower side of the connecting rod 403 on one side respectively and finally penetrate through the lower side of the connecting rod 403 on the other side, and the sliding blocks 404 are pressed down to be matched with the clamping plate 405 to clamp the pipe body, so that the flow stopping effect is realized.

The sliding teeth at the two ends of the sliding block 404 are arranged in a relatively complementary manner, the sliding teeth in every two opposite sliding tooth grooves 402 are arranged in a relatively complementary manner, and a certain transverse moving space is provided for the sliding block 404 in the sliding process by the aid of the design of the sliding teeth which are beneficial to the complementation at the opposite sides, so that the sliding block 404 can move up and down in the sliding tooth grooves 402 more conveniently.

Wherein, the connecting rod 403 is lower than the clamping plate 405, which is convenient for bending the tube body.

Wherein, the bottom of slider 404 and the top of splint 405 all are equipped with the arc arch, reduce with body area of contact, and the increase does benefit to the pressure of body and blocks it.

Wherein, the top of every slider 404 all is fixed and is equipped with the pull ring, is convenient for lift slider 404, releases the body.

It should be noted that the utility model relates to a visual blood return Y-shaped blood taking needle, during the specific work, when clinical tests and other intensive blood sampling are needed, the arm of the subject needs to be kept with the vein remaining needle, 1ml of blood needs to be discarded before blood sampling, 5ml of physiological saline needs to be injected after blood sampling to close the remaining needle, the blood sampling needle head 1 end is firstly punctured into the heparin cap of the remaining needle, the positive pressure joint 7 at the Y-shaped end can be connected into the injector nipple to draw blood and then discarded, then the corresponding slide block 404 on the sliding flow stopping device 4 is matched with a clamping plate 405 to clamp the second branch pipe 6, the bottle stopper puncture needle 9 pierces the vacuum negative pressure pipe to collect blood, the corrugated rubber sleeve 8 outside the syringe is compressed, then the corresponding slide block 404 on the sliding flow stopping device 4 is matched with the clamping plate 405 to clamp the first branch pipe 5, the corresponding slide block 404 slides upwards to open the second branch pipe 6, and the nipple of the syringe filled with 5ml of physiological saline is connected to the positive pressure joint 7 at the Y-shaped end to flush the remaining needle sealing pipe.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A visible blood-returning Y-type blood collection needle, comprising a blood collection needle head (1), a main blood collection tube (2) and a cork puncture needle (9), the blood collection needle head (1) being fixedly connected to one end of the main blood collection tube (2), It is characterized in that, the main blood collection tube (2) is sleeved with a stop clip (3), and the other end of the main blood collection tube (2) is respectively connected with a first branch pipe (5) and a second branch pipe (6), The front end of a tube (5) is connected with the cork puncture needle (9), and a corrugated rubber sleeve (8) covering the cork puncture needle (9) is fixed on the needle handle of the cork puncture needle (9). The front ends of the two branch pipes (6) are connected with a positive pressure joint (7). The first branch pipe (5) and the second branch pipe (6) are jointly sleeved with a flow stop device (4), and the flow stop device (4) consists of three pieces. The limit plates (401) are fixedly connected by connecting rods (403), and two adjacent limit plates (401) are provided with sliding tooth grooves (402) on opposite sides. Slide blocks (404) with sliding teeth at both ends are installed between 402), and a splint (405) is fixed directly below each slide block (404) and located at the bottom end of the sliding teeth groove (402). . 2 . The Y-type blood collection needle with visible blood return according to claim 1 , wherein the sliding teeth at both ends of the slider ( 404 ) are arranged in a relatively complementary manner. 3 . 3 . The Y-type blood collection needle with visible blood return according to claim 1 , wherein the sliding teeth in each of the two opposite sliding teeth grooves ( 402 ) are arranged in a relatively complementary manner. 4 . 4 . The Y-type blood collection needle with visible blood return according to claim 1 , wherein the position of the connecting rod ( 403 ) is lower than the splint ( 405 ). 5 . 5 . The Y-type blood collection needle with visible blood return according to claim 1 , wherein the bottom of the slider ( 404 ) and the top of the splint ( 405 ) are both provided with arc-shaped protrusions. 6 . 6 . The Y-type blood collection needle with visible blood return according to claim 1 , wherein a pull ring is fixed on the top of each of the sliding blocks ( 404 ). 7 .

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