CN215608319U

CN215608319U - Infusion tube with needle fixing device

Info

Publication number: CN215608319U
Application number: CN202120975169.4U
Authority: CN
Inventors: 韦佳慧; 章永兵; 何艳丽; 钟婷慧; 张东展
Original assignee: Youjiang Medical University for Nationalities Affiliated Hospital
Current assignee: Youjiang Medical University for Nationalities Affiliated Hospital
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-01-25
Anticipated expiration: 2031-05-08

Abstract

The utility model relates to the technical field of infusion tubes, in particular to an infusion tube with a needle fixing device, which comprises an infusion tube body, wherein the infusion tube body is connected with the needle fixing device, the fixing device comprises a needle inserting tube and a needle clamping part, a needle inserting hole is formed in the needle inserting tube, a sponge block is fixedly arranged in the needle inserting hole, the needle clamping part comprises a fixed plate and a movable plate matched with the fixed plate to compress a needle, the fixed plate is connected with the needle inserting tube, an elastic mechanism for controlling the movable plate to reciprocate relative to the fixed plate is arranged on the fixed plate, so that when the elastic mechanism is pressed, the movable plate moves towards the direction far away from the fixed plate, and when the elastic mechanism is released, the movable plate moves towards the direction close to the fixed plate to compress the needle. The utility model is convenient for fixing the needle head and separating the subsequent needle head, the needle head does not need to be inserted and pulled forcibly in the fixing process, and the medical care personnel is prevented from being hurt by the needle head by mistake.

Description

Infusion tube with needle fixing device

Technical Field

The utility model relates to the technical field of infusion tubes, in particular to an infusion tube with a needle fixing device.

Background

With the continuous development of modern medical treatment, transfusion is indispensable for disease treatment. Infusion refers to the infusion of large doses of injection solution into the body by intravenous drip, and the infusion set adjusts the dripping speed to continuously and stably enter the vein so as to supplement body fluid, electrolytes or provide nutrient substances. After the infusion is finished, the puncture needle needs to be pulled out of the patient in time. Clinically, medical personnel are busy, and medical personnel are afraid of the puncture needle and stab oneself after having beaten the needle at ordinary times, temporarily with the puncture needle on the pipe cap of china ink fei's formula burette, treat that the transfer line need abandon the time, extract the pjncture needle from the pipe cap of china ink fei's formula burette again, reuse scissors cuts the syringe needle, abandons the syringe needle in sharp weapon rubbish box, and the transfer line is abandoned in medical waste box. However, the tube cap of the Murphy dropper is relatively hard, so that the puncture needle is dangerous to puncture into the tube cap and pull out, and medical staff can be easily punctured by carelessness, so that medical risks are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a transfusion tube with a needle fixing device, which is convenient for inserting and pulling a fixed puncture needle and reduces medical risks.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a take transfer line of syringe needle fixing device, includes the infusion body, be connected with the fixing device of syringe needle on the infusion body, fixing device includes syringe needle intubate and syringe needle clamping part, the syringe needle patchhole has been seted up in the syringe needle intubate, the sponge piece has set firmly in the syringe needle patchhole, syringe needle clamping part include the fixed plate and compress tightly the fly leaf of syringe needle with the fixed plate cooperation, the fixed plate with the syringe needle intubate is connected, install control on the fixed plate fly leaf relative fixed plate reciprocating motion's elastic mechanism to when making to press elastic mechanism, the fly leaf moves to keeping away from the fixed plate direction, when loosening elastic mechanism, the fly leaf moves in order to compress tightly the syringe needle to being close to the fixed plate direction.

Further, elastic mechanism includes movable rod, spring and presses the clamp plate, bilateral symmetry sets up flutedly on the fixed plate, each the both ends of recess are equipped with and run through extremely from the both ends of fixed plate the through-hole of recess, each recess internalization is provided with the movable rod, just the one end of movable rod pass behind the through-hole of one end with the fly plate is connected, stretch out after the other end of movable rod passes the through-hole of the other end the through-hole outer and with press the clamp plate to connect, be located the movable rod overcoat in the recess is equipped with the spring, the spring is kept away from the one end of fly plate is equipped with fixed cover, fixed cover cup joints outside the movable rod, the one end of spring with groove connection, the other end of spring with fixed cover is connected.

Further, the fixing device is arranged at a Murphy's dropper close to the infusion tube.

Furthermore, the fixing device also comprises a fixing ring sleeved outside the infusion tube body, and the fixing ring is connected with the needle insertion tube.

Further, the fixing ring is connected with the needle insertion tube through a connecting portion.

Further, solid fixed ring with syringe needle intubate lug connection, gu fixed ring with syringe needle intubate is the contained angle of "V" shape, the contained angle of V "shape is 30-40 degrees.

Furthermore, one end of the fixed plate, which is close to the movable plate, is provided with a semi-arc-shaped limiting hole, and the movable plate is fixedly provided with a semi-arc-shaped protruding part matched with the limiting hole.

Furthermore, the radius of the limiting hole is smaller than or equal to that of the needle inserting hole.

Furthermore, the radius of the limiting hole is at least larger than the diameter of one needle.

Further, the height of the sponge block is at least 1/2 of the height of the needle inserting hole.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

the fixing device for the needle head is arranged on the infusion tube body and comprises a needle head inserting tube and a needle head clamping portion, a needle head inserting hole for inserting the needle head is formed in the needle head inserting tube, a sponge block is arranged in the needle head inserting hole, the needle head clamping portion comprises a fixed plate, a movable plate and an elastic mechanism for controlling the movable plate to move, when the fixing device is used, the movable block can be pushed to move towards the direction far away from the fixed plate by pressing the elastic mechanism to open an opening of the needle head inserting hole, so that the needle head can be conveniently inserted into the sponge block in the hole to play a role of primary fixing, the movable block can move towards the direction close to the fixed plate by loosening the elastic mechanism to compress the needle head, the device can conveniently fix the needle head pulled out after infusion, the subsequent needle head separation is convenient, the force is not required to be inserted and pulled out in the fixing process, and the medical staff can be prevented from being punctured.

Drawings

FIG. 1 is a schematic view of a fixing structure of a needle of a conventional infusion tube;

FIG. 2 is a schematic structural view of an infusion tube in accordance with embodiment 1 of the present invention with a needle fixing device;

FIG. 3 is a top view of the fixture of the present invention;

FIG. 4 is a schematic view of the structure of the plane A-A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a pressing state of the fixing device of the present invention;

FIG. 6 is a schematic structural view of a fixing device according to the present invention in a use state;

FIG. 7 is a schematic structural view of an infusion tube in accordance with embodiment 2 of the present invention with a needle fixing device;

the reference numbers in the figures are: 1-Murphy dropper, 2-transfusion tube body, 3-tube cap, 4-fixing ring, 5-fixing device, 51-needle insertion tube, 511-needle insertion hole, 512-sponge block, 52-needle clamping part, 521-fixing plate, 5211-limiting hole, 522-movable plate, 5221-bulge, 523-groove, 524-through hole, 525-movable rod, 526-spring, 527-fixing sleeve, 528-pressing plate and 6-connecting part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

As shown in fig. 1, which is a schematic structural diagram illustrating the fixation of a needle on an infusion tube in the prior art, after a medical care worker finishes a needle injection, the pulled-out needle is actually and temporarily inserted into a tube cap 3 of a murphy dropper 1 to prevent the medical care worker from being accidentally injured by the needle.

Example 1

As shown in fig. 2, an infusion tube with a needle fixing device includes an infusion tube body 2, the infusion tube body 2 is connected with the needle fixing device, the fixing device 5 includes a needle insertion tube 51 and a needle clamping portion 52, a needle insertion hole 511 is formed in the needle insertion tube 51, a sponge block 512 is fixedly disposed in the needle insertion hole 511, the needle clamping portion 52 includes a fixed plate 521 and a movable plate 522 which is matched with the fixed plate 521 to compress a needle, the fixed plate 521 is connected with the needle insertion tube 51, an elastic mechanism which controls the movable plate 522 to reciprocate relative to the fixed plate 521 is mounted on the fixed plate 521, so that when the elastic mechanism is pressed, the movable plate 522 moves in a direction away from the fixed plate 521, and when the elastic mechanism is released, the movable plate 522 moves in a direction close to the fixed plate 521 to compress the needle. The sponge block 512 in the fixing mechanism is convenient for inserting or pulling out the needle head and performing primary positioning, and the elastic mechanism is convenient for clamping the needle head so as to play a fixing role.

As shown in fig. 3 to 6, the elastic mechanism includes a movable rod 525, a spring 526 and a pressing plate 528, the fixed plate 521 is symmetrically provided with grooves 523 at left and right, through holes 524 penetrating from two ends of the fixed plate 521 to the grooves 523 are arranged at two ends of each groove 523, a movable rod 525 is movably arranged in each groove 523, one end of the movable rod 525 passes through the through hole 524 at one end and then is connected with the movable plate 522, the other end of the movable rod 525 passes through the through hole 524 on the other side, extends out of the through hole 524 and is connected with the pressing plate 528, the spring 526 is sleeved outside the movable rod 525 in the groove 523, a fixing sleeve 527 is arranged at one end of the spring 526 far away from the movable plate 522, the fixing sleeve 527 is sleeved outside the movable rod 525, one end of the spring 526 is connected to the groove 523, and the other end of the spring 526 is connected to the fixing sleeve 527. During the use, press and press board 528, movable rod 525 moves inwards, and spring 526 compresses for movable plate 522 is to keeping away from fixed plate 521 direction motion, thereby opens syringe needle patchhole 511, treats that the syringe needle inserts behind the sponge piece 512, loosens and presses the portion 528, and spring 526 kick-backs, drives movable rod 525 outwards and moves, thereby cliies the syringe needle, fixes the syringe needle.

The fixing device 5 of the needle can be arranged at any position of the transfusion tube body 2, and preferably, the fixing device 5 is arranged at the Murphy dropper 1 close to the transfusion tube body 2. Can be arranged at the upper part or the lower part of the Murphy dropper 1, and the fixing device 5 is arranged on the transfusion tube body 2 at the upper part of the Murphy dropper 1 in the embodiment.

The fixing device further comprises a fixing ring 4 sleeved outside the infusion tube body 2, and the fixing ring 4 is connected with the needle insertion tube 51 through a connecting part 6. When the needle needs to be separated, the fixing device 5 can be directly cut off from the connecting part 6, so that the needle is prevented from being exposed when being discarded.

One end of the fixed plate 521, which is close to the movable plate 522, is provided with a semi-arc-shaped limiting hole 5211, and the movable plate 522 is fixedly provided with a semi-arc-shaped protruding portion 5221 which is matched with the limiting hole 5211. The limiting hole 5211 can limit the position of the needle.

The radius of the stopper hole 5211 is smaller than or equal to the radius of the needle insertion hole 511. The needle head is ensured to be clamped by the fixed plate 521 and the movable plate 522.

The radius of the limiting hole 5211 is at least larger than the diameter of one needle. In this embodiment, the radius of the limiting hole 5211 is two to three needle diameters larger, so as to fix a plurality of needles.

The height of the sponge block 512 is at least 1/2 the height of the needle insertion hole 511. The stability of the needle head after being inserted into the sponge block is ensured.

The use principle of the utility model is as follows: when the infusion is completed, after the needle head is pulled out from the patient, the hand of the medical staff holds the needle head insertion tube 51, the thumb presses the pressing part 528, so that the movable rod 525 drives the movable plate 522 to move, the needle head insertion hole 511 is opened, the spring 526 is compressed at the moment, the other hand inserts the needle head into the sponge block 512 in the needle head insertion hole 511, the sponge block 512 is soft, the medical staff is not easy to be injured by insertion, after the needle head is inserted, the thumb is loosened, the spring 526 rebounds, the movable rod 526 drives the movable plate 522 to move back, and the needle head is clamped. When the infusion tube needs to be discarded, the needle head can be easily pulled out by pressing the pressing part 528 again, and the needle head is cut down by the scissors and discarded in the edge tool box, so that the needle head is separated, or the needle head is cut down and discarded after the fixing device 5 is cut down from the connecting part, and the needle head is prevented from being exposed outside.

Example 2

As shown in fig. 7, unlike embodiment 1:

in this embodiment, the fixing device 5 is provided on the tube body 2 at a lower position of the murphy's dropper 1.

The fixing ring 4 is directly connected with the needle insertion tube 51, and the fixing ring 4 is arranged at a V-shaped included angle with the needle insertion tube 51. The included angle of the V-shaped structure is 30-40 degrees.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. The utility model provides a take syringe needle fixing device's transfer line, includes the infusion body, its characterized in that: be connected with the fixing device of syringe needle on the infusion body, fixing device includes syringe needle inserting tube and syringe needle clamping part, the syringe needle patchhole has been seted up in the syringe needle inserting tube, the sponge piece has set firmly in the syringe needle patchhole, syringe needle clamping part include the fixed plate and compress tightly the fly leaf of syringe needle with the fixed plate cooperation, the fixed plate with the syringe needle intubate is connected, install control on the fixed plate fly leaf fixed plate reciprocating motion's elastic mechanism relatively to the fly leaf to when making press elastic mechanism, the fly leaf moves to keeping away from the fixed plate direction, when loosening elastic mechanism, the fly leaf moves in order to compress tightly the syringe needle to being close to the fixed plate direction.

2. An infusion tube with a needle fixing device as claimed in claim 1, wherein: elastic mechanism includes movable rod, spring and presses the clamp plate, bilateral symmetry sets up flutedly on the fixed plate, each the both ends of recess are equipped with and run through extremely from the both ends of fixed plate the through-hole of recess, each recess internalization is provided with the movable rod, just the one end of movable rod pass behind the through-hole of one end with the fly leaf is connected, stretch out behind the through-hole that the other end of movable rod passed the other end the through-hole outer and with press the clamp plate to connect, be located the movable rod overcoat in the recess is equipped with the spring, the spring is kept away from the one end of fly leaf is equipped with fixed cover, fixed cover cup joints outside the movable rod, the one end of spring with groove connection, the other end of spring with fixed cover is connected.

3. An infusion tube with a needle fixing device as claimed in claim 1, wherein: the fixing device is arranged at the Murphy dropper close to the infusion tube.

4. An infusion tube with a needle fixing device as claimed in claim 1, wherein: the fixing device also comprises a fixing ring sleeved outside the infusion tube body, and the fixing ring is connected with the needle insertion tube.

5. An infusion tube with a needle holding device as claimed in claim 4, wherein: the fixing ring is connected with the needle insertion tube through a connecting part.

6. An infusion tube with a needle holding device as claimed in claim 4, wherein: the fixing ring is directly connected with the needle inserting tube, the fixing ring and the needle inserting tube are V-shaped included angles, and the V-shaped included angles are 30-40 degrees.

7. An infusion tube with a needle fixing device as claimed in claim 1, wherein: one end of the fixed plate, which is close to the movable plate, is provided with a semi-arc-shaped limiting hole, and the movable plate is fixedly provided with a semi-arc-shaped bulge matched with the limiting hole.

8. An infusion tube with a needle holding device as claimed in claim 7, wherein: the radius of the limiting hole is smaller than or equal to that of the needle inserting hole.

9. An infusion tube with a needle holding device as claimed in claim 8, wherein: the radius of the limiting hole is at least larger than the diameter of one needle head.

10. An infusion tube with a needle fixing device as claimed in claim 1, wherein: the height of the sponge block is at least 1/2 the height of the needle insertion aperture.