CN210138350U

CN210138350U - Infusion tube capable of preventing blood from flowing back

Info

Publication number: CN210138350U
Application number: CN201920112688.0U
Authority: CN
Inventors: 丁旭杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-23
Filing date: 2019-01-23
Publication date: 2020-03-13
Anticipated expiration: 2029-01-23

Abstract

The utility model discloses a prevent transfer line of blood backward flow, including transfer line body, notes liquid pipe and guide pin, be connected with the infusion funnel on the transfer line body, and the inside of infusion funnel is fixed with the pipe to the fixed slot has been seted up on the pipe, the inside of pipe is provided with the ball, and the outside of ball is fixed with the connecting rod, the connecting rod is located the inside of fixed slot, and the tip of connecting rod installs the lug, annotate the liquid pipe and be fixed in the upper end of infusion funnel, and the inside of annotating the liquid pipe is provided with the rubber end cap, the guide pin is connected in the upper end of transfer line body, and the lower extreme of transfer line body is fixed with the transfusion needle to the speed regulator is installed in the outside. This prevent transfer line of blood backward flow, after the infusion, the ball can in time plug the transfer line, prevents that the internal blood of patient from can causing the panic problem of patient and patient's family members along the syringe reflux entering transfer line.

Description

Infusion tube capable of preventing blood from flowing back

Technical Field

The utility model relates to a transfer line body technical field specifically is a prevent transfer line of blood backward flow.

Background

The transfer line is the hospital and is used for carrying out the device of infusing to patient, and the infusion burette is disposable low-cost equipment, and it is very general to use, but current transfer line body has following problem:

when the transfusion is finished, the pressure in the transfusion tube body is lost, and the blood in the patient body can flow back into the transfusion tube body along the needle tube, so that the panic of the patient and the family members of the patient is caused.

Aiming at the problems, innovative design is urgently needed on the basis of the original infusion tube.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent transfer line of blood backward flow to solve above-mentioned background art and propose that the liquid medicine appears in the transfer line easily and transfuse, this internal pressure that loses of transfer line, the internal blood of patient can flow back along the needle tubing and advance the transfer line body, causes the problem of patient and patient's family members panic.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent transfer line of blood backward flow, includes the transfer line body, annotates liquid pipe and guide pin, be connected with the infusion funnel on the transfer line body, and the inside of infusion funnel is fixed with the pipe to the fixed slot has been seted up on the pipe, the inside of pipe is provided with the ball, and the outside of ball is fixed with the connecting rod, the connecting rod is located the inside of fixed slot, and the tip of connecting rod installs the lug, annotate the liquid pipe and be fixed in the upper end of infusion funnel, and the inside of annotating the liquid pipe is provided with the rubber end cap, the guide pin is connected in the upper end of transfer line body, and the lower extreme of transfer line body is fixed with the transfusion needle to the.

Preferably, the infusion funnel is communicated with the infusion tube body and is designed into a fusiform structure.

Preferably, the fixed slots are provided with 4 equal angles on the guide pipe, and the fixed slots are connected with the connecting rod in a penetrating way.

Preferably, the ball and the connecting rod are designed into an integrated structure, the ball is designed into a spherical structure, and the connecting rod is distributed with 4 connecting rods on the outer side of the ball at equal angles.

Preferably, the protruding block is designed to be a spherical structure, and the diameter of the protruding block is larger than the width of the fixing groove.

Preferably, the liquid injection pipe and the infusion funnel are designed into an integrated structure, and an inclined included angle exists between the liquid injection pipe and the infusion funnel.

Compared with the prior art, the beneficial effects of the utility model are that: the transfusion tube capable of preventing blood backflow can be plugged in time after transfusion is finished, so that the problem that blood in a patient body flows back into the transfusion tube along a needle tube to cause panic of the patient and family members of the patient is solved;

1. 4 fixing grooves are formed in the guide pipe, the fixing grooves are connected with the connecting rods in a penetrating mode, and the connecting rods are connected with the outer walls of the round beads, so that the fixing rods can position the round beads;

2. the lug is connected in the tip of connecting rod, and the diameter of lug is greater than the width of fixed slot, makes the lug can block outside the fixed slot, prevents that the ball from receiving to take place to turn on one's side after assaulting, and when the liquid in the infusion funnel was dripped, the ball can seal the transfer line body and connect, avoids the internal blood reflux of patient to enter the transfer line.

Drawings

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

FIG. 2 is a schematic view of the front structure of the infusion funnel of the present invention;

FIG. 3 is a schematic view of the installation overlooking structure of the ball of the present invention;

fig. 4 is a schematic view of the three-dimensional structure for mounting the bump according to the present invention.

In the figure: 1. an infusion tube body; 2. a transfusion funnel; 3. a conduit; 4. fixing grooves; 5. a ball; 6. a connecting rod; 7. a bump; 8. a liquid injection pipe; 9. a rubber plug; 10. guiding a needle; 11. an infusion needle; 12. a speed regulator.

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 a technical solution: an infusion tube for preventing blood backflow comprises an infusion tube body 1, an infusion funnel 2, a conduit 3, a fixing groove 4, a ball 5, a connecting rod 6, a convex block 7, a liquid injection tube 8, a rubber plug 9, a guide pin 10, an infusion needle 11 and a speed regulator 12, wherein the infusion funnel 2 is connected on the infusion tube body 1, the conduit 3 is fixed inside the infusion funnel 2, the fixing groove 4 is formed in the conduit 3, the ball 5 is arranged inside the conduit 3, the connecting rod 6 is fixed outside the ball 5, the connecting rod 6 is positioned inside the fixing groove 4, the convex block 7 is installed at the end part of the connecting rod 6, the liquid injection tube 8 is fixed at the upper end of the infusion funnel 2, the rubber plug 9 is arranged inside the liquid injection tube 8, the guide pin 10 is connected to the upper end of the infusion tube body 1, the infusion needle 11 is fixed at the lower end of the infusion tube body 1, and the speed regulator, the infusion funnel 2 is communicated with the infusion tube body 1, the infusion funnel 2 is designed to be of a fusiform structure, a liquid passage can be formed between the infusion funnel 2 and the infusion tube body 1, liquid can be contained in the infusion funnel 2, discomfort of a patient caused by too fast liquid delivery is avoided, 4 fixing grooves 4 are formed in the conduit 3 at equal angles, the fixing grooves 4 are communicated with the connecting rod 6, the round beads 5 and the connecting rod 6 are designed to be of an integrated structure, the round beads 5 are designed to be of a spherical structure, 4 connecting rods 6 are distributed on the outer sides of the round beads 5 at equal angles, the fixing grooves 4 can fix the connecting rod 6, the round beads 5 connected with each other through the connecting rod 6 are more stable, the round beads 5 can stably lift in the conduit 3, the convex blocks 7 are designed to be of a spherical structure, the diameters of the convex blocks 7 are larger than the widths of the fixing grooves 4, the convex blocks 7 can be clamped outside the, prevent that ball 5 from taking place to turn on one's side, annotate liquid pipe 8 and infusion funnel 2 design formula as an organic whole structure, and annotate the contained angle that has the slope between liquid pipe 8 and the infusion funnel 2, make annotate the connection of liquid pipe 8 and infusion funnel 2 more firm, reduce the liquid medicine and annotate remaining in liquid pipe 8.

The working principle is as follows: when the infusion tube for preventing blood backflow is used, firstly, according to a graph 1, a fusiform infusion funnel 2 is connected to an infusion tube body 1, a guide tube 3 is fixed inside the

infusion funnel

2, 4 fixing grooves 4 are formed in the guide tube 3, a connecting rod 6 penetrates through the fixing grooves 4, the connecting rod 6 can fix a ball 5, the ball 5 is made of sterile plastic, the volume weight of the ball 5 is smaller than that of normal saline, the ball 5 can float on a liquid surface, the ball 5 can stably lift in the guide tube 3 along with the lifting of the liquid surface, a lug 7 is fixed at the end of the connecting rod 6, the diameter of the lug 7 is larger than the width of the fixing groove 4, the lug 7 can be clamped outside the fixing groove 4, the ball 5 is prevented from being overturned after being impacted, according to the graphs 1-4, a liquid injection tube 8 is fixed on the infusion funnel 2, and the liquid injection tube 8 can conveniently add medicines into the infusion funnel 2, annotate the inside rubber end cap 9 that is provided with of liquid pipe 8, can seal annotating liquid pipe 8, prevent that the bacterium from getting into and annotating

liquid pipe

8, 1 upper ends of transfer line body are fixed with

guide pin

10, and 1 lower extreme of transfer line body is connected with transfusion needle 11, make transfer line body 1, infusion funnel 2, guide pin 10 and transfusion needle 11 can form complete liquid passageway, be connected with speed regulator 12 on the convenient transfer line body 1 that infuses patient, can conveniently adjust the speed of infusion.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a prevent transfer line of blood backward flow, includes transfer line body (1), annotates liquid pipe (8) and guide pin (10), its characterized in that: be connected with infusion funnel (2) on transfer line body (1), and the inside of infusion funnel (2) is fixed with pipe (3) to fixed slot (4) have been seted up on pipe (3), the inside of pipe (3) is provided with ball (5), and the outside of ball (5) is fixed with connecting rod (6), connecting rod (6) are located the inside of fixed slot (4), and the tip of connecting rod (6) installs lug (7), annotate liquid pipe (8) and be fixed in the upper end of infusion funnel (2), and the inside of annotating liquid pipe (8) is provided with rubber end cap (9), guide pin (10) are connected in the upper end of transfer line body (1), and the lower extreme of transfer line body (1) is fixed with transfusion needle (11) to speed regulator (12) are installed in the outside of transfer line body (1).

2. An infusion tube for preventing backflow of blood as claimed in claim 1, wherein: the infusion funnel (2) is communicated with the infusion tube body (1), and the infusion funnel (2) is designed to be of a fusiform structure.

3. An infusion tube for preventing backflow of blood as claimed in claim 1, wherein: the fixing grooves (4) are formed in the guide pipe (3) at equal angles and are 4 in penetrating connection with the connecting rods (6).

4. An infusion tube for preventing backflow of blood as claimed in claim 1, wherein: the ball (5) and the connecting rod (6) are designed into an integrated structure, the ball (5) is designed into a spherical structure, and the connecting rod (6) is distributed at 4 equal angles on the outer side of the ball (5).

5. An infusion tube for preventing backflow of blood as claimed in claim 1, wherein: the convex block (7) is designed to be of a spherical structure, and the diameter of the convex block (7) is larger than the width of the fixing groove (4).

6. An infusion tube for preventing backflow of blood as claimed in claim 1, wherein: the liquid injection pipe (8) and the infusion funnel (2) are designed into an integrated structure, and an inclined included angle exists between the liquid injection pipe (8) and the infusion funnel (2).