CN209771007U - Add medicine and connect - Google Patents
Add medicine and connect Download PDFInfo
- Publication number
- CN209771007U CN209771007U CN201920206039.7U CN201920206039U CN209771007U CN 209771007 U CN209771007 U CN 209771007U CN 201920206039 U CN201920206039 U CN 201920206039U CN 209771007 U CN209771007 U CN 209771007U
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- elastic cap
- cap body
- connecting sleeve
- wall
- joint
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a dosing joint, which comprises a shell with an inner cavity, an elastic cap body and a connecting sleeve, wherein the elastic cap body is respectively provided with a transfusion channel; the elastic cap body and the connecting sleeve are respectively arranged in the shell, the front end of the elastic cap body is in pressure joint with the inner wall of the shell to form a sealing structure, the rear end of the elastic cap body is in pressure joint with the inner wall of the connecting sleeve to form a sealing structure, a cutting seam is arranged on the front end face of the elastic cap body, the rear end of the elastic cap body is provided with a convex edge which is abutted against the connecting sleeve along the axial direction, an internal thread is arranged on the connecting sleeve, and the connecting sleeve; the utility model discloses a protruding edge of the elastic cap body rear end of adapter sleeve crimping for the inner wall that the front end of the elastic cap body can steadily crimp the casing produces deformation, and the joint-cutting opens, accomplishes the injection back, and the syringe withdraws from the adapter sleeve, and the joint-cutting is closed, prevents external bacterial contamination.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to add medicine and connect.
background
At present, in clinical transfusion in China, due to the limitation of disease conditions or the conditions of patients, the situation that liquid medicine is temporarily filled into a transfusion pipeline for a plurality of times in long-term repeated transfusion or single transfusion can occur, an external connector is generally arranged on a transfusion tube for medicine adding connectors, a liquid filling opening is blocked by an elastic cap body in the external connector, the elastic cap body is extruded by an injector, the front end of the elastic cap body is opened, and the injector is directly aligned with the liquid filling opening for medicine adding injection. The blood return phenomenon that often appears in traditional structure and lead to because of sealed not tight makes the inside bacterium of joint breed, brings extra risk for the patient.
SUMMERY OF THE UTILITY MODEL
The technical scheme adopted by the utility model to solve the problems is to provide a dosing joint, which comprises a shell with an inner cavity, an elastic cap body with a transfusion channel and a connecting sleeve; the elastic cap body and the connecting sleeve are respectively arranged in the shell, the front end of the elastic cap body is in compression joint with the inner wall of the shell to form a sealing structure, the rear end of the elastic cap body is in compression joint with the inner wall of the connecting sleeve to form a sealing structure, a cutting seam is formed in the front end face of the elastic cap body, the rear end of the elastic cap body is provided with a convex edge which is abutted to the connecting sleeve in the axial direction, internal threads are formed in the connecting sleeve, and the connecting sleeve can be in compression joint.
As a further improvement of the above scheme, the cutting seam is provided with silicone oil.
As a further improvement of the scheme, the elastic cap body is made of a silica gel material.
As a further improvement of the scheme, the front end of the infusion channel of the connecting sleeve is in a bell mouth shape.
As a further improvement of the proposal, the rear end of the transfusion channel of the elastic cap body is provided with a convex ring along the axial direction.
As a further improvement of the scheme, a plurality of reinforcing ribs are arranged on the outer wall of the shell along the circumferential direction.
As a further improvement of the above scheme, the reinforcing ribs are fixed on the shell in a high-frequency sound wave welding mode.
As a further improvement of the scheme, the outer wall of the connecting sleeve is provided with an anti-skid groove.
The utility model has the advantages that: compared with the prior art, the utility model has the advantages that the connecting sleeve is pressed against the convex edge at the rear end of the elastic cap body, so that the front end of the elastic cap body can be stably pressed against the inner wall of the shell and generates deformation, the cutting seam is opened, the injector is withdrawn from the connecting sleeve after injection is completed, the cutting seam is closed, and external bacterial pollution is prevented; secondly, the blood back pressure promotes the elasticity cap body and follows the motion of axial near the adapter sleeve and the protruding edge of crimping, guarantees through the elastic restoring force on protruding edge that the joint-cutting is in the closed condition all the time, ensures the leakproofness of joint-cutting department, prevents to connect inside breeding the bacterium.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the described figures are only some embodiments of the invention, not all embodiments, and other designs and figures can be obtained by those skilled in the art without inventive effort, based on these figures:
FIG. 1 is an exploded view of a chemical adding joint of the present invention;
FIG. 2 is a front view of the structure of a chemical adding joint of the present invention;
FIG. 3 is a sectional view of the structure of a chemical adding joint of the present invention;
Fig. 4 is an enlarged schematic view at a in fig. 3.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a dosing joint includes a housing 1 having an inner cavity, an elastic cap 2 and a connection sleeve 3, the elastic cap 2 is preferably made of a silicone material, the housing 1 and the connection sleeve 3 are preferably made of a polycarbonate material, the elastic cap 2 and the connection sleeve 3 are sequentially sleeved in the housing 1, the front end of the elastic cap 2 is pressed against the inner wall of the housing 1 to form a sealing structure, the front end face of the elastic cap 2 is provided with a cutting slit 21, preferably, silicone oil is coated on the outer wall of the elastic cap 2 pressed against the inner wall of the housing 1 and the cutting slit 21, which can improve the sealing property, so that the withstand pressure of the joint reaches 50psi, the rear end of the elastic cap 2 is provided with a flange 25 abutting against the connection sleeve 3 along the axial direction, the elastic cap 2 is provided with a frustum portion 22, a tapered cavity wall matching with the frustum portion 22 is provided in the housing 1, the connecting sleeve 3 can be pressed and connected with the elastic cap body 2 along the axial direction, the frustum part 22 of the elastic cap body 2 is pressed and connected with the tapered cavity wall of the shell 1 in a pressing mode in the pushing process, the front end of the elastic cap body 2 is deformed, the cutting joint 21 is opened, the connecting sleeve 3 is provided with the internal thread 32, preferably, the connecting sleeve 3 can adopt a long luer connector, namely, the internal thread 32 of the luer connector is relatively long, and the purpose is to increase the matching firmness of the injector and the connecting sleeve 3 and prevent the injector from falling off due to the elastic restoring force action of the elastic cap body 2.
as a further improvement of the above scheme, as shown in fig. 4, the front end of the infusion channel 4 of the connection sleeve 3 is in a bell mouth shape, the rear end of the infusion channel 4 of the elastic cap body 2 is provided with an axially protruding ring 24, the outer diameter of the protruding ring 24 is smaller than the maximum diameter of the bell mouth-shaped infusion channel 4 of the connection sleeve 3, when the connection sleeve 3 is pressed against the elastic cap body 2, the protruding ring 24 is sleeved on and pressed against the inner wall of the bell mouth, and the sealed connection between the infusion channel 4 of the elastic cap body 2 and the infusion channel 4 of the connection sleeve 3 is ensured.
As a further improvement of the above scheme, as shown in fig. 1, the outer wall of the housing 1 is circumferentially provided with a plurality of reinforcing ribs 12, the reinforcing ribs 12 are fixed on the housing 1 by high-frequency sonic welding, which may be ultrasonic welding commonly used in the industry, and the outer wall of the connecting sleeve 3 is provided with an anti-slip groove 31, which is intended to facilitate manual operation.
As a further improvement of the above scheme, the connection sleeve 3 is fastened to the housing 1, that is, the connection sleeve 3 can move in the housing 1 along the axial direction but cannot be separated from the housing 1, and the specific structure is that a guide groove is circumferentially arranged on the housing 1, and a guide post arranged in the guide groove is arranged on the outer wall of the connection sleeve 3, so that when the elastic cap body 2 is pressed against the connection sleeve 3 due to the elastic restoring force of the elastic cap body 2, the guide post abuts against one end of the guide groove far away from the elastic cap body 2 to play a limiting role, thereby preventing the connection sleeve 3 from being separated from the housing 1, and the elastic cap body 2 is separated from the housing 1.
As a further improvement of the above scheme, the elastic cap body 2 is provided with a boss 23, the housing 1 is provided with a blocking portion 13, a spring is sleeved in an area between the boss 23 and the blocking portion 13 on the elastic cap body 2, and the spring is stretched in a normal state, so that the elastic cap body 2 is always subjected to the stretching force of the spring in the normal state, the situation that the elastic cap body 2 is not closed tightly due to insufficient elastic restoring force of the elastic cap body 2 is prevented, and the sealing performance of the cutting seam 21 is further ensured.
Above, only the preferred embodiment of the present invention has been described, the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.
Claims (8)
1. A dosing joint is characterized by comprising a shell (1) provided with an inner cavity, an elastic cap body (2) and a connecting sleeve (3), wherein the elastic cap body is respectively provided with a transfusion channel (4); the elastic cap body (2) and the connecting sleeve (3) are respectively arranged in the shell (1), the inner wall of the front end of the elastic cap body (2) in compression joint with the shell (1) forms a sealing structure, the inner wall of the rear end of the elastic cap body (2) in compression joint with the connecting sleeve (3) forms a sealing structure, a cutting seam (21) is formed in the front end face of the elastic cap body (2), the rear end of the elastic cap body (2) is axially provided with a convex edge (25) abutted against the connecting sleeve (3), an internal thread (32) is arranged on the connecting sleeve (3), and the connecting sleeve (3) can be axially compressed and connected with the elastic cap body (2).
2. The applicator adaptor according to claim 1, wherein the slit (21) is provided with silicone oil.
3. The dosing adaptor according to claim 1, wherein the elastic cap (2) is a silicone material.
4. The dosing connector according to claim 1, wherein the front end of the infusion channel (4) of the connection sleeve (3) is flared.
5. The dosing adaptor according to claim 4, characterized in that the rear end of the infusion channel (4) of the elastic cap (2) is provided with an axial collar (24).
6. the dosing adaptor according to claim 1, wherein the outer wall of the housing (1) is circumferentially provided with a plurality of ribs (12).
7. the dosing adaptor according to claim 6, wherein the reinforcing rib (12) is fixed to the housing (1) by means of high frequency sonic welding.
8. The dosing connection according to claim 1, characterized in that the outer wall of the connection sleeve (3) is provided with an anti-slip groove (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920206039.7U CN209771007U (en) | 2019-02-18 | 2019-02-18 | Add medicine and connect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920206039.7U CN209771007U (en) | 2019-02-18 | 2019-02-18 | Add medicine and connect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209771007U true CN209771007U (en) | 2019-12-13 |
Family
ID=68794931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920206039.7U Active CN209771007U (en) | 2019-02-18 | 2019-02-18 | Add medicine and connect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209771007U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289166A (en) * | 2021-06-02 | 2021-08-24 | 南通市第一人民医院 | Atomization treatment and medication device for tumor chemotherapy drugs |
-
2019
- 2019-02-18 CN CN201920206039.7U patent/CN209771007U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113289166A (en) * | 2021-06-02 | 2021-08-24 | 南通市第一人民医院 | Atomization treatment and medication device for tumor chemotherapy drugs |
| CN113289166B (en) * | 2021-06-02 | 2023-09-29 | 南通市第一人民医院 | Atomization treatment and medicine application device for tumor chemotherapy medicine |
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