CN219921713U

CN219921713U - Improved dosing joint

Info

Publication number: CN219921713U
Application number: CN202320874597.7U
Authority: CN
Inventors: 连建伟; 梁吒吒
Original assignee: Shunde Hospital Affiliated To Jinan University Foshan Shunde Second People's Hospital Foshan Shunde Fengyaojing Memorial Hospital
Current assignee: Shunde Hospital Affiliated To Jinan University Foshan Shunde Second People's Hospital Foshan Shunde Fengyaojing Memorial Hospital
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-10-31
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses an improved dosing connector, which comprises a three-way connector main body, wherein a first connecting pipe is arranged on one side of the three-way connector main body, a second connecting pipe is arranged on the other side of the three-way connector main body, openings are formed in three sides of the three-way connector main body, a one-way valve is arranged on the inner wall of the first connecting pipe, a third connecting pipe is arranged on the other side of the three-way connector main body, a second adsorption piece is arranged at the other end of the third connecting pipe, the second adsorption piece is in adsorption connection with the first adsorption piece, and an interception component is arranged in the third connecting pipe; the interception component comprises a mounting ring fixed on the inner wall of the third connecting pipe, a first interception film is arranged on the inner wall of the mounting ring, a second interception film is movably connected to one side of the first interception film, a fixing piece is arranged at one end of the second interception film, and a first adsorption piece is arranged on the inner side of the fixing piece. The device is more convenient and fast to use, thereby improving the transfusion efficiency and avoiding the false touch of patients.

Description

Improved dosing joint

Technical Field

The utility model relates to the technical field of infusion apparatuses, in particular to an improved dosing connector.

Background

The infusion set is a common medical consumable, and a channel between a vein and liquid medicine is established for intravenous infusion through aseptic treatment. It is generally formed from eight portions of intravenous needle or injection needle, needle head protecting cap, transfusion tube, medicine liquor filter, flow rate regulator, drip cup, bottle stopper puncture outfit and air filter which are connected together, and the portion of transfusion system also has injection piece and medicine-adding mouth.

When the infusion device is used for infusing the patient, the retention needle is usually used for infusing, and the retention needle is connected with the infusion device by a three-way joint for controlling the flow of the liquid medicine, and the existing three-way joint mainly controls the opening and closing of the three tube heads by rotating the hand wheel, so that the operation is not convenient enough; meanwhile, the three tube heads are required to be sealed by adopting a threaded sealing cap, so that the medicine adding is inconvenient, and the improvement is required.

Disclosure of Invention

The utility model aims to provide an improved dosing connector, which aims to solve the problem that the three-way connector provided by the background technology is not convenient to use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the improved dosing connector comprises a three-way connector main body, wherein a first connecting pipe is arranged on one side of the three-way connector main body, a one-way valve is arranged on the inner wall of the first connecting pipe, a third connecting pipe is arranged on the other side of the three-way connector main body, and an interception component is arranged inside the third connecting pipe;

the interception component comprises a mounting ring fixed on the inner wall of the third connecting pipe, a first interception film is arranged on the inner wall of the mounting ring, and a second interception film is movably connected to one side of the first interception film.

Preferably, a second connecting pipe is arranged on the other side of the three-way joint main body, and openings are formed in three sides of the three-way joint main body.

Preferably, a fixing piece is arranged at one end of the second interception film, and a first adsorption piece is arranged at the inner side of the fixing piece.

Preferably, the other end of the third connecting pipe is provided with a second adsorption piece, and the second adsorption piece is in adsorption connection with the first adsorption piece.

Preferably, one end of the third connecting pipe is provided with a sealing component;

the sealing assembly comprises a fixed plug fixed on the inner wall of the third connecting pipe, a through hole is formed in the fixed plug, and a movable plug is inserted in the through hole.

Preferably, one end of the fixed plug is provided with a sealing ring, the sealing ring is sleeved at one end of the movable plug, the outer wall of the movable plug is fixedly connected with a connecting block, one end of the connecting block is fixedly connected with a spring, and one end of the spring is fixedly connected with the fixed plug.

Preferably, the movable plug and the fixed plug form sliding connection, and the outer walls at two ends of the movable plug are inclined structures.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The device is more convenient and fast to use, so that the infusion efficiency is improved, and the false touch of a patient is avoided.

(2) This device is through setting up the check valve in first connecting pipe, at the inside first interception membrane and the second interception membrane that sets up flexible material of third connecting pipe, make the liquid medicine only can follow first connecting pipe left side input, the liquid medicine promotes the second interception membrane in the flow in-process and rotates to be closed, flow from second connecting pipe department, and the liquid medicine is through third connecting pipe department input when dosing, promote the second interception membrane to rotate and open, need not the manual opening and close that can realize first connecting pipe and third connecting pipe of hand wheel that rotates, it is more convenient to use.

(3) The device is characterized in that the fixed plug is arranged inside the third connecting pipe, and the elastic movable plug is arranged inside the fixed plug, so that the movable plug is pushed to be opened inside the third connecting pipe when the medicine is added, the medicine can be normally added, and the movable plug is automatically reset and connected with the fixed plug when the needle cylinder is out of the third connecting pipe, so that sealing is realized, and the device is more convenient.

Drawings

FIG. 1 is a schematic view of an improved dosing adapter of the present utility model;

FIG. 2 is an enlarged view of the modified dosing tab of the present utility model at A in FIG. 1;

FIG. 3 is an enlarged view of the modified dosing tab of the present utility model at B in FIG. 1;

fig. 4 is a schematic view showing a connection structure between a mounting ring and a first intercepting membrane of an improved dosing connector according to the present utility model.

In the figure: 1. a first connection pipe; 2. a one-way valve; 3. a tee joint body; 4. a second connection pipe; 5. an interception component; 51. a fixing piece; 52. a mounting ring; 53. a first adsorption sheet; 54. a second adsorption sheet; 55. a first intercepting film; 56. a second intercepting film; 6. a third connection pipe; 7. a seal assembly; 71. a seal ring; 72. a fixed plug; 73. a connecting block; 74. a spring; 75. a movable plug.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an improved generation charge connects, includes three way connection main part 3, and three way connection main part 3 one side is provided with first connecting pipe 1, and three way connection main part 3 opposite side is provided with second connecting pipe 4, and three way connection main part 3 right side an organic whole is connected with second connecting pipe 4, and three sides of three way connection main part 3 all have seted up the opening; the three openings respectively correspond to the second connecting pipe 4, the third connecting pipe 6 and the first connecting pipe 1, one end of the third connecting pipe 6 is provided with a sealing component 7, and the rear end of the third connecting pipe 6 is provided with the sealing component 7;

the sealing assembly 7 comprises a fixed plug 72 fixed on the inner wall of the third connecting pipe 6, the fixed plug 72 is fixed at the end head of the rear end of the third connecting pipe 6, a through hole is formed in the fixed plug 72, and a movable plug 75 is inserted into the through hole; in the structure, the movable plug 75 is arranged in the fixed plug 72, so that the third connecting pipe 6 can be sealed when the movable plug 75 is connected with the fixed plug 72, and the third connecting pipe 6 can be opened when the movable plug 75 is separated from the fixed plug 72, thereby facilitating medicine adding; the sealing ring 71 is arranged at one end of the fixed plug 72, the sealing ring 71 is arranged at the front end of the fixed plug 72, the sealing ring 71 is fixedly adhered to the inner wall of the third connecting pipe 6, the sealing ring 71 is sleeved at one end of the movable plug 75, the sealing ring 71 is sleeved at the front end of the movable plug 75, the outer wall of the movable plug 75 is fixedly connected with the connecting block 73, the connecting blocks 73 are fixedly connected to the left side and the right side of the front end of the movable plug 75, one end of the connecting block 73 is fixedly connected with the spring 74, the lower end of the connecting block 73 is fixedly connected with the spring 74, one end of the spring 74 is fixedly connected with the fixed plug 72, and the lower end of the spring 74 is fixedly connected with the fixed plug 72; by arranging the spring 74, the structure can push the movable plug 75 to be separated from the fixed plug 72 after the needle cylinder is inserted into the fixed plug 72, and when the needle cylinder is separated from the fixed plug 72, the movable plug 75 automatically resets into the fixed plug 72 under the contraction of the spring 74; the movable plug 75 and the fixed plug 72 form sliding connection, and the outer walls at two ends of the movable plug 75 are of inclined structures; when the movable plug 75 and the fixed plug 72 are separated and then dosing is carried out, the structure can enable the liquid medicine to automatically flow into the third connecting pipe 6 through the inclined structure on the movable plug 75; the first connecting pipe 1 of the structure is connected with an infusion apparatus, the second connecting pipe 4 is connected with a retaining needle, and the third connecting pipe 6 is used for adding medicines; the left side of the three-way joint main body 3 is integrally connected with a first connecting pipe 1, the inner wall of the first connecting pipe 1 is provided with a one-way valve 2, the one-way valve 2 is fixedly connected with the first connecting pipe 1 through glue, the one-way valve 2 is of a silica gel structure, the right side of the one-way valve 2 in section is of a V-shaped structure, the V-shaped part can be opened, when liquid medicine flows from the left side to the right side of the one-way valve 2, the V-shaped part can be pushed to be opened, and the liquid medicine in the three-way joint main body 3 cannot enter the one-way valve 2 from the right side of the one-way valve 2, so that the effect of one-way input of the liquid medicine is achieved, the other side of the three-way joint main body 3 is provided with a third connecting pipe 6, the bottom side of the three-way joint main body 3 is integrally connected with the third connecting pipe 6, and the inside of the third connecting pipe 6 is provided with an interception component 5;

the interception component 5 comprises a mounting ring 52 fixed on the inner wall of the third connecting pipe 6, the third connecting pipe 6 is fixedly connected with the mounting ring 52 through glue, a first interception film 55 is arranged on the inner wall of the mounting ring 52, the mounting ring 52 is fixedly connected with the first interception film 55, a second interception film 56 is movably connected to one side of the first interception film 55, a fixing sheet 51 is arranged at one end of the second interception film 56, a fixing sheet 51 is stuck to the right side of the front end of the second interception film 56, a first adsorption sheet 53 is arranged on the inner side of the fixing sheet 51, and the fixing sheet 51 and the first adsorption sheet 53 are stuck and fixed through glue; the other end of the third connecting pipe 6 is provided with a second adsorption piece 54, the front end of the third connecting pipe 6 is fixedly stuck with the second adsorption piece 54, the second adsorption piece 54 is in adsorption connection with the first adsorption piece 53, and the second adsorption piece 54 and the first adsorption piece 53 are magnetic sheets; by arranging the second adsorption sheet 54 and the first adsorption sheet 53, the right side of the second interception film 56 can be provided with a little suction force, and the second interception film 56 can be ensured to be completely sealed when no liquid medicine is input into the third connecting pipe 6; the right side of the first interception film 55 is provided with a second interception film 56, the joint of the second interception film 56 and the first interception film 55 can rotate, the right side of the second interception film 56 is contacted with the mounting ring 52 but not fixed, and the second interception film 56 and the first interception film 55 are made of flexible materials, such as PVC films; the device controls the production cost while realizing the unidirectional flowing effect of the liquid medicine by arranging the second interception film 56 and the first interception film 55 which are made of flexible materials.

Working principle: when the improved dosing connector is used, the first connecting pipe 1 is connected with the infusion apparatus, the second connecting pipe 4 is connected with the retention needle, for example, liquid medicine is input through the first connecting pipe 1 in the process of infusion, the one-way valve 2 is pushed to be opened and enter the inside of the three-way connector main body 3, then the liquid medicine flows out from the right side of the second connecting pipe 4, for example, the liquid medicine needs to be dosed in the process of infusion, the syringe is inserted into the fixed plug 72, the movable plug 75 is pushed to move forwards to enable the movable plug 75 to be separated from the fixed plug 72, after the movable plug 75 is completely separated from the fixed plug 72, the syringe is pushed to enable the liquid medicine in the syringe to flow into the third connecting pipe 6 through the side face of the movable plug 75, the first adsorption piece 53 on the second interception film 56 is pushed to be separated from the second adsorption piece 54 at the front end of the third connecting pipe 6 in the process of liquid medicine flowing, the second interception film 56 is opened in a rotating mode, the liquid medicine smoothly passes through the second interception film 56 and enters the three-way connector main body 3, and after the medicine adding work is completed, the thrust of the liquid medicine disappears, and the second interception film 56 and the third connecting pipe 6 are in a contact seal.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an improved generation dosing joint, includes three way connection main part (3), its characterized in that: one side of the three-way joint main body (3) is provided with a first connecting pipe (1), the inner wall of the first connecting pipe (1) is provided with a one-way valve (2), the other side of the three-way joint main body (3) is provided with a third connecting pipe (6), and an interception component (5) is arranged inside the third connecting pipe (6);

the interception component (5) comprises a mounting ring (52) fixed on the inner wall of the third connecting pipe (6), a first interception film (55) is arranged on the inner wall of the mounting ring (52), and a second interception film (56) is movably connected on one side of the first interception film (55).

2. An improved dosing adapter according to claim 1, wherein: the other side of the three-way joint main body (3) is provided with a second connecting pipe (4), and openings are formed in three sides of the three-way joint main body (3).

3. An improved dosing adapter according to claim 1, wherein: one end of the second interception film (56) is provided with a fixing piece (51), and a first adsorption piece (53) is arranged on the inner side of the fixing piece (51).

4. An improved dosing adapter according to claim 1, wherein: the other end of the third connecting pipe (6) is provided with a second adsorption piece (54), and the second adsorption piece (54) is in adsorption connection with the first adsorption piece (53).

5. An improved dosing adapter according to claim 1, wherein: one end of the third connecting pipe (6) is provided with a sealing component (7);

the sealing assembly (7) comprises a fixed plug (72) fixed on the inner wall of the third connecting pipe (6), a through hole is formed in the fixed plug (72), and a movable plug (75) is inserted in the through hole.

6. An improved dosing adapter of claim 5, wherein: one end of the fixed plug (72) is provided with a sealing ring (71), the sealing ring (71) is sleeved at one end of the movable plug (75), the outer wall of the movable plug (75) is fixedly connected with a connecting block (73), one end of the connecting block (73) is fixedly connected with a spring (74), and one end of the spring (74) is fixedly connected with the fixed plug (72).

7. An improved dosing adapter of claim 5, wherein: the movable plug (75) and the fixed plug (72) form sliding connection, and the outer walls at two ends of the movable plug (75) are of inclined structures.