CN212016344U

CN212016344U - Liquid medicine drainage connector

Info

Publication number: CN212016344U
Application number: CN202020222911.XU
Authority: CN
Inventors: 刘小英; 黄洪; 周英
Original assignee: Chengdu Qingshan Likang Pharmaceutical Co Ltd
Current assignee: Chengdu Qingshan Likang Pharmaceutical Co Ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-11-27
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a liquid medicine drainage connects, connect including first joint and second, first joint and second connect and be used for being connected with transfer line, infusion bag respectively, still include plastic hose, the body outer wall that the toper section of first joint inserted plastic hose one end and first joint is hugged closely with the plastic hose inner wall, realizes that first joint and plastic hose are detachable to be connected, the biggest external diameter of toper section is less than plastic hose's internal diameter, during the use the other end of first joint inserts in the transfer line, the second connects one end and inserts the plastic hose other end and realizes that the second connects and the detachable connection of plastic hose, during the use the other end that the second connects is connected with infusion bag's liquid outlet. The utility model provides a current drainage connect easily to lead to the problem that the bacterium got into the liquid medicine.

Description

Liquid medicine drainage connector

Technical Field

The utility model relates to an infusion equipment field, concretely relates to liquid medicine drainage connects.

Background

Intravenous injection is a common treatment. The basic principle of intravenous injection is to inject drugs intravenously to be absorbed by human body. The apparatus that intravenous route used mainly includes infusion bag, transfer line and needle tubing, infusion bag is used for storing the liquid medicine, and the liquid medicine in the infusion bag still includes drainage joint and speed regulator usually through the transfer line by the injection vein of needle tubing, the speed regulator is used for realizing the liquid medicine velocity of flow, the drainage joint is used for connecting transfer line and infusion bag.

Since the liquid medicine is injected into the human body, instruments used for intravenous injection need to be sterilized ideally, but the sterility is not achieved normally, and the number of germs can be reduced as much as possible.

The existing drainage joint easily causes bacteria to enter liquid medicine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid medicine drainage connects solves current drainage and connects the problem that easily leads to the bacterium to get into the liquid medicine.

The utility model discloses a following technical scheme realizes:

the utility model provides a liquid medicine drainage connects, includes first joint and second joint, first joint and second joint are used for being connected with transfer line, infusion bag respectively, still include plastic hose, the toper section of first joint inserts plastic hose one end and the body outer wall and the plastic hose inner wall of first joint and hugs closely, realizes that first joint and plastic hose are detachable to be connected, the maximum external diameter of toper section is less than plastic hose's internal diameter, during the use the other end of first joint inserts in the transfer line, second joint one end is inserted the plastic hose other end and is realized the second joint and is connected with the plastic hose is detachable, during the use the other end that the second connects is connected with the liquid outlet of infusion bag.

In the prior art, the tapered section of the first connector needs to be broken off and then connected with the second connector to form a liquid medicine channel, which easily causes bacteria to pollute the liquid medicine channel, and then causes the bacteria to enter the liquid medicine.

The utility model discloses a set up a plastic hose and connect first joint and second and connect, insert the plastic hose with the toper section of first joint in, break away from with this body coupling department through realizing a roll over fragile connecting pipe in the plastic hose, ensure that the passageway between first joint, plastic hose and the second connects is aseptic, has solved current drainage and has connected the problem that easily leads to the bacterium to get into the liquid medicine.

Further, the wall thickness of the pipe at the end where the plastic hose is connected with the first joint is thickened.

Furthermore, the wall thickness of the pipe at the end, connected with the first joint, of the plastic hose is 1-2mm, and the wall thickness of the pipe at the end, connected with the second joint, of the plastic hose is 0.5-0.8 mm.

Further, the plastic hose is a PVC pipe.

The PVC pipe is prior art.

Further, the first joint comprises a body and a conical section, and the body and the conical section are connected through a brittle connection pipe.

Furthermore, the outer wall of the conical section is provided with a plurality of partition plates in the vertical direction, when the conical section is inserted into the plastic hose, the partition plates are tightly attached to the inner wall of the plastic hose, and a liquid medicine channel is formed between the adjacent partition plates.

Further, the outer diameter of the body gradually decreases from the middle to the two ends.

The above arrangement facilitates insertion of the first connector into the infusion tube.

Further, the middle part of the outer wall of the body is provided with an annular baffle.

The annular baffle plate has a limiting effect on the infusion tube.

Furthermore, the outer wall of the second connector is provided with vertical ribs which are arranged along the axial direction, and when the second connector is inserted into the plastic hose, the end face of the plastic hose is in contact with the end faces of the vertical ribs.

Further, the first joint and the second joint are both made of plastic.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model discloses a set up a plastic hose and connect first joint and second and connect, insert the plastic hose with the toper section of first joint in, break away from with this body coupling department through realizing a roll over fragile connecting pipe in the plastic hose, ensure that the passageway between first joint, plastic hose and the second connects is aseptic, has solved current drainage and has connected the problem that easily leads to the bacterium to get into the liquid medicine.

2. The utility model discloses a carry out thickening to the wall thickness of plastic hose and first articulate one end, enough improve plastic hose's stability, avoid plastic hose and first articulate department to appear the damage and lead to the weeping.

3. The utility model discloses a set up the baffle except hugging closely through body outer wall and income plastic hose inner wall and realize that the passageway is sealed, hug closely further realization passageway through the baffle with going into the plastic hose inner wall and seal, dual protection improves the passageway leakproofness.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a structural schematic diagram of a liquid medicine drainage connector.

Reference numbers and corresponding part names in the drawings:

1-annular baffle, 2-first joint, 3-conical section, 4-plastic hose, 5-vertical rib, 6-second joint, 7-partition plate and 8-brittle connecting pipe.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1:

as shown in fig. 1, a liquid medicine drainage joint comprises a first joint 2 and a second joint 6, wherein the first joint 2 comprises a body and a conical section 3, the body and the conical section 3 are connected through a brittle connection pipe 8, specifically, the brittle connection pipe 8 is broken under the action of external force when being connected with the body, the first joint 2 and the second joint 6 are respectively used for being connected with an infusion tube and an infusion bag, the liquid medicine drainage joint further comprises a plastic hose 4, the conical section 3 of the first joint 2 is inserted into one end of the plastic hose 4, the outer wall of the body of the first joint 2 is tightly attached to the inner wall of the plastic hose 4, the first joint 2 is detachably connected with the plastic hose 4, the maximum outer diameter of the conical section 3 is smaller than the inner diameter of the plastic hose 4, when the liquid medicine drainage joint is used, the other end of the first joint 2 is inserted into the infusion tube, one end of the second joint 6 is inserted into the other end of the plastic hose, when the infusion bag is used, the other end of the second connector 6 is connected with a liquid outlet of the infusion bag, and the plastic hose 4 is a PVC pipe; the first joint 2 and the second joint 6 are both made of plastic.

In this embodiment, first joint 2, plastic hose 4 and second joint 6 are detachable connection, the tip of toper section 3 is the blind end, and the tip of first joint 2 and second joint 6 all inserts inside through the silica gel seal post and seals, avoids the bacterium to carry out in the passageway that the drainage connects, during the use, takes out the silica gel seal post, inserts in the infusion bag the tip of first joint 2, is connected the second joint 6 with the exit end of infusion bag, buckles fragile connecting pipe 8 hard for fragile connecting pipe 8 breaks away from with this body junction, and because the maximum external diameter of toper section 3 is less than the internal diameter of plastic hose 4, ensures to form the passageway of intercommunication between first joint 2, plastic hose 4 and the second joint 6, realizes the liquid medicine and carries.

In this embodiment, a plastic hose 4 is arranged to connect the first connector 2 and the second connector 6, the tapered section 3 of the first connector 2 is inserted into the plastic hose 4, and the fragile connecting pipe 8 is separated from the body connection part in the plastic hose 4, so that the sterility of a channel among the first connector 2, the plastic hose 4 and the second connector 6 is ensured, and the problem that bacteria easily enter liquid medicine due to the existing drainage connector is solved.

Example 2:

as shown in fig. 1, in this embodiment, based on embodiment 1, the wall thickness of the pipe at the end where the plastic hose 4 is connected to the first connector 2 is thickened, specifically, the wall thickness of the pipe at the end where the plastic hose 4 is connected to the first connector 2 is 1-2mm, and the wall thickness of the pipe at the end where the plastic hose 4 is connected to the second connector 6 is 0.5-0.8 mm.

Because need realize during the use that fragile connecting pipe 8 breaks away from with this body junction in plastic hose 4, consequently, when buckling first joint 2, plastic hose 4 and first joint 2 junction must bear force great, carry out thickening and handle the stability that can improve plastic hose 4, avoid plastic hose 4 and first joint 2 junction to appear the damage and lead to the weeping.

Example 3:

as shown in fig. 1, in this embodiment, based on embodiment 1, a plurality of partition plates 7 are vertically disposed on an outer wall of the conical section 3, and when the conical section 3 is inserted into the plastic hose 4, the partition plates 7 are closely attached to an inner wall of the plastic hose 4, and a liquid medicine passage is formed between adjacent partition plates 7.

In this embodiment, through setting up baffle 7 except hugging closely through the body outer wall and going into 4 inner walls of plastic hose and realizing that the passageway is sealed, further realize that the passageway is sealed with going into 4 inner walls of plastic hose through baffle 7, dual protection improves the passageway leakproofness.

Example 4:

as shown in fig. 1, in this embodiment, based on embodiment 1, the outer diameter of the body gradually decreases from the middle to the two ends; and an annular baffle plate 1 is arranged in the middle of the outer wall of the body.

In this embodiment, the above arrangement facilitates insertion of the first connector 2 into the infusion tube, which limits the infusion tube by providing the annular baffle 1.

Example 5:

as shown in fig. 1, in the present embodiment, based on embodiment 1, the outer wall of the second joint 6 is provided with a plurality of vertical ribs 5, the vertical ribs 5 are arranged along the axial direction, and when the second joint 6 is inserted into the plastic hose 4, the end surface of the plastic hose 4 contacts with the end surface of the vertical ribs 5.

In this embodiment, the plastic hose 4 is limited by the vertical ribs 5, and the second joint 6 is prevented from being excessively inserted into the plastic hose 4.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A liquid medicine drainage joint, which comprises a first joint (2) and a second joint (6), the first joint (2) and the second joint (6) are respectively used for connecting with an infusion tube and an infusion bag, it is characterized by also comprising a plastic hose (4), wherein the conical section (3) of the first joint (2) is inserted into one end of the plastic hose (4), the outer wall of the body of the first joint (2) is tightly attached to the inner wall of the plastic hose (4), the first joint (2) and the plastic hose (4) are detachably connected, the maximum outer diameter of the conical section (3) is smaller than the inner diameter of the plastic hose (4), when in use, the other end of the first joint (2) is inserted into the infusion tube, one end of the second connector (6) is inserted into the other end of the plastic hose (4) to detachably connect the second connector (6) with the plastic hose (4), and the other end of the second connector (6) is connected with a liquid outlet of an infusion bag when in use.

2. The medical liquid drainage connector according to claim 1, wherein the wall thickness of the end of the plastic hose (4) connected with the first connector (2) is thickened.

3. The liquid medicine drainage joint according to claim 2, wherein the wall thickness of the end of the plastic hose (4) connected with the first joint (2) is 1-2mm, and the wall thickness of the end of the plastic hose (4) connected with the second joint (6) is 0.5-0.8 mm.

4. The medical liquid drainage connector according to claim 1, wherein the plastic hose (4) is a PVC pipe.

5. Medical liquid drainage connector according to claim 1, wherein the first connector (2) comprises a body and a conical section (3), and the body and the conical section (3) are connected through a brittle connection pipe (8).

6. A liquid medicine drainage joint according to claim 5, characterized in that the outer wall of the conical section (3) is provided with a plurality of partition plates (7) in the vertical direction, when the conical section (3) is inserted into the plastic hose (4), the partition plates (7) are tightly attached to the inner wall of the plastic hose (4), and a liquid medicine channel is formed between the adjacent partition plates (7).

7. The medical fluid drainage connector as claimed in claim 5, wherein the outer diameter of the body is gradually reduced from the middle to both ends.

8. The liquid medicine drainage connector according to claim 7, characterized in that the middle of the outer wall of the body is provided with an annular baffle (1).

9. The liquid medicine drainage joint according to claim 1, wherein the outer wall of the second joint (6) is provided with vertical ribs (5), the vertical ribs (5) are arranged along the axial direction, and when the second joint (6) is inserted into the plastic hose (4), the end surface of the plastic hose (4) is contacted with the end surface of the vertical ribs (5).

10. A medical liquid drainage connector according to any one of claims 1 to 9, wherein the first connector (2) and the second connector (6) are made of plastic.