CN219071589U - Connecting device for infusion pipeline and medicine storage device - Google Patents
Connecting device for infusion pipeline and medicine storage device Download PDFInfo
- Publication number
- CN219071589U CN219071589U CN202223520040.8U CN202223520040U CN219071589U CN 219071589 U CN219071589 U CN 219071589U CN 202223520040 U CN202223520040 U CN 202223520040U CN 219071589 U CN219071589 U CN 219071589U
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- Prior art keywords
- needle
- communication hole
- supporting edge
- infusion line
- connecting cover
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- 238000001802 infusion Methods 0.000 title claims abstract description 29
- 239000003814 drug Substances 0.000 title claims abstract description 21
- 238000003860 storage Methods 0.000 title abstract description 17
- 238000004891 communication Methods 0.000 claims description 36
- 239000002861 polymer material Substances 0.000 claims description 7
- 229940079593 drug Drugs 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000012545 processing Methods 0.000 abstract description 9
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 12
- 229910000831 Steel Inorganic materials 0.000 description 11
- 239000010959 steel Substances 0.000 description 11
- 229920001971 elastomer Polymers 0.000 description 8
- 102000004877 Insulin Human genes 0.000 description 6
- 108090001061 Insulin Proteins 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229940125396 insulin Drugs 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 201000001421 hyperglycemia Diseases 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000009693 chronic damage Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 210000002216 heart Anatomy 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003914 insulin secretion Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a connecting device of an infusion pipeline and a medicine storage device, which comprises the following components: the device comprises a connecting cover, a puncture needle and a communicating pipe, wherein the top of the connecting cover is provided with the communicating pipe, and the bottom of the connecting cover is provided with the puncture needle; the puncture needle, the communicating pipe and the connecting cover are integrally formed; the utility model provides a connecting device for an infusion pipeline and a medicine storage device, which is convenient to produce, has few processing procedures, reduces cost and is not easy to block.
Description
Technical Field
The utility model relates to the field of medical supplies, in particular to a device for connecting an infusion pipeline with a medicine storage device.
Background
Hyperglycemia is caused by defective insulin secretion or impaired biological action, or both. Long-standing hyperglycemia leads to chronic damage, dysfunction, of various tissues, especially the eyes, kidneys, heart, blood vessels, nerves. For diabetics it is necessary to control blood glucose by injection of insulin. Insulin is injected by means of an insulin pump or syringe.
When the insulin pump is injecting, the insulin in the medicine storage device needs to be transferred into the insulin infusion pump by the connecting device. The bottom at the connecting seat is fixed to the adoption steel needle when current connecting device, and such structure has following defect:
1. the processing procedure is complex, the prior art needs to separately produce the connecting seat and the steel needle, and then assemble and fix the connecting seat and the steel needle;
2. the connecting device is easy to be blocked, and as the diameter of the inner hole of the steel needle is 0.13-0.17 mm in the prior art and the steel needle is cut to form the tip part, the tip part is very sharp, and in the process of connecting the steel needle with the medicine storage device, the steel needle is easy to cut off rubber plug scraps to be blocked in a needle hole, so that a pipeline is blocked during infusion;
3. the cost is high, and the processing production is separately carried out, and finally the assembly and the fixation are carried out, so the cost is high.
Aiming at the 2 nd point, the current foreign manufacturers adopt the following solutions: chamfering is carried out on the inner wall of the tip of the steel needle, and the defect of easy blockage is overcome. The technical scheme has the following defects:
1. the processing is difficult, and the inner hole diameter of the steel needle is only 0.13mm-0.17mm, so that the chamfering technology of the inner wall of the steel needle tube with the size is difficult to be carried out by the existing domestic technical equipment;
2. the processing cost is high, adopts the technical scheme of sand blasting to chamfer the inner wall in order to solve the technical problem of chamfer, and the processing cost of steel needle rises to the ten times of original integral connecting device like this.
Disclosure of Invention
In order to solve the problems, the utility model aims to provide a connecting device for an infusion pipeline and a medicine storage device, which is convenient to produce, has few processing procedures, reduces cost and is not easy to block.
According to one aspect of the present utility model there is provided an infusion line to reservoir connection device comprising: the device comprises a connecting cover, a puncture needle and a communicating pipe, wherein the top of the connecting cover is provided with the communicating pipe, and the bottom of the connecting cover is provided with the puncture needle;
the puncture needle, the communicating pipe and the connecting cover are integrally formed;
the communicating pipe is communicated with the puncture needle. Through the puncture needle with connecting lid integrated into one piece, reduce the body and twine process and reduce use cost.
In some embodiments, the lancet comprises: the needle comprises a needle body, a needle point and a first communication hole, wherein the first communication hole is formed in the center of the needle body, and the needle point is arranged at the front end of the needle body. The needle point is used for puncturing a rubber plug of the medicine storage device, and the medicine storage device is communicated with the infusion pump through the first communication hole.
In some embodiments, the needle tip has a piercing surface thereon that is at an angle of 17 ° -30 ° to the axial direction of the needle body. The rubber plug is convenient to puncture by using a sharp puncture surface.
In some embodiments, a first supporting edge and a second supporting edge are arranged between the piercing surface and the outer wall of the needle body, the first supporting edge and the second supporting edge are symmetrically arranged with the needle point as a center, and an included angle between the first supporting edge and the second supporting edge is 30-45 degrees. Through setting up sharp-pointed first supporting edge and second supporting edge can enough provide the puncture effect simultaneously with elastic plug to both sides push away prevent that the piece from blockking up first communication hole.
In some embodiments, the outer diameter of the needle is 0.6mm to 0.8mm.
In some embodiments, the first communication hole can be directly from 0.20mm to 0.35mm. The pipe diameter is increased to prevent the pipe from being blocked.
In some embodiments, the communication pipe center has a second communication hole, which communicates with the first communication hole. The medicine reservoir is communicated with the pipeline by the first communication hole and the second communication hole.
In some embodiments, the connection cap, the lancet, and the communication tube are all made of a medical polymer material. The medical polymer material can meet the strength requirement and is convenient for extrusion molding of a die.
Compared with the prior art, the utility model has the beneficial effects of convenient production, less processing procedures, cost reduction and difficult blockage; puncturing a rubber plug of the medicine storage device by using the needle point, and communicating the medicine storage device with the infusion pump by using the first communication hole; puncturing a rubber plug of the medicine storage device by using the needle point, and communicating the medicine storage device with the infusion pump by using the first communication hole; the first supporting edge and the second supporting edge which are sharp are arranged, so that a puncture effect can be provided, and the elastic rubber plug is pushed away to two sides to prevent fragments from blocking the first communication hole; the pipe diameter is increased to prevent the pipe from being blocked; the medical polymer material can meet the strength requirement and is convenient for extrusion molding of a die.
Drawings
FIG. 1 is a schematic view of the connection of an infusion line to a reservoir in accordance with the present utility model;
FIG. 2 is a schematic illustration of the assembled state of the infusion line and reservoir connection device of the present utility model;
FIG. 3 is a schematic illustration of the structure of a lancet of the infusion line and reservoir connection of the present utility model;
fig. 4 is a cross-sectional view of a lancet of the infusion line and reservoir connection of the present utility model.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings, but it should be understood that the embodiments are not limited to the utility model, and equivalent changes or substitutions of functions, methods or structures according to the embodiments by those skilled in the art are included in the scope of the present utility model.
In the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, may be in communication with each other between two elements, may be directly connected, or may be indirectly connected through an intermediate medium, and the specific meaning of the terms may be understood by those skilled in the art according to circumstances.
As shown in fig. 1, the device for connecting an infusion line and a medicine storage device according to the present utility model comprises: the connecting cover 1, the puncture needle 2 and the communicating pipe 3 are arranged at the top of the connecting cover 1, and the puncture needle 2 is arranged at the bottom of the connecting cover 1;
the puncture needle 2, the communicating pipe 3 and the connecting cover 1 are integrally formed;
communicating tube 3 communicates with lancet 2. By forming the puncture needle 2 integrally with the connection cap 1, the winding process is reduced and the use cost is reduced.
As shown in fig. 2, in the use process, the infusion tube is inserted into the communicating tube 3 to be fixed, and then the puncture needle 2 is penetrated into the rubber plug of the medicine storage device to communicate the medicine storage device with the infusion pipeline. The outer wall of the connecting cover 1 is provided with a clamping groove or a bulge in the production process so as to be connected with the connector after the medicine adding is finished, and the soft needle on the body surface of the user is communicated.
As shown in fig. 3, lancet 2 includes: needle body 21, needle tip 22 and first communication hole 23, the center of needle body 21 is equipped with first communication hole 23, and the front end of needle body 21 is equipped with needle tip 22. The needle tip 22 is used to pierce the stopper of the reservoir and the first communication hole 23 is used to communicate the reservoir with the infusion pump.
The needle tip 22 is provided with a puncture surface 24, and the puncture surface 24 forms an included angle of 17-30 degrees with the axial direction of the needle body 21. The use of a sharp piercing surface 24 facilitates piercing the plug. Optimally, the piercing surface 24 has 30 degrees with the axial direction of the needle body 21, and the angle piercing effect is good.
As shown in fig. 4, a first supporting edge 25 and a second supporting edge 26 are arranged between the puncture surface 24 and the outer wall of the needle body 21, the first supporting edge 25 and the second supporting edge 26 are symmetrically arranged by taking the needle tip 22 as a center, and an included angle between the first supporting edge 25 and the second supporting edge 26 is 30 degrees to 45 degrees. By providing the sharp first supporting edge 25 and the second supporting edge 26, not only can the puncture effect be provided, but also the elastic rubber plug can be pushed away to two sides to prevent the chips from blocking the first communication hole 23. Optimally, the angle between the first supporting edge 25 and the second supporting edge 26 is 30 °, so that the angle penetration effect and the blocking prevention effect are the best.
The outer diameter of the needle body 21 is 0.6mm-0.8mm. Such an outer diameter is convenient for manufacturing.
The first communication hole 23 can be directly 0.20mm to 0.35mm. The pipe diameter is increased to prevent the pipe from being blocked.
The communication pipe 3 has a second communication hole 31 in the center thereof, and the second communication hole 31 communicates with the first communication hole 23. The reservoir is communicated with the tube by means of the first communication hole 23 and the second communication hole 31. The aperture of the part of the second communication hole 31 close to the connecting cover 1 is consistent, and the aperture of the part of the second communication hole 31 far away from the connecting cover 1 is an outward-expanded taper hole, so that the infusion tube is convenient to insert.
The connecting cover 1, the puncture needle 2 and the communicating pipe 3 are all made of medical polymer materials. The medical polymer material can meet the strength requirement and is convenient for extrusion molding of a die. The medical polymer materials are commonly used as polyurethane, silicone rubber, polyester fiber, polyvinylpyrrolidone, polyether ether ketone, polymethyl methacrylate, polyvinyl alcohol, polylactic acid, polyethylene and the like, and have stable physical and chemical properties and high strength, and are convenient for processing and production.
While only certain embodiments of the present utility model have been described, it will be apparent to those skilled in the art that other modifications and improvements can be made without departing from the inventive concept of the present utility model.
Claims (8)
1. Infusion line and medicine reservoir connecting device, its characterized in that includes: the device comprises a connecting cover, a puncture needle and a communicating pipe, wherein the top of the connecting cover is provided with the communicating pipe, and the bottom of the connecting cover is provided with the puncture needle;
the puncture needle, the communicating pipe and the connecting cover are integrally formed;
the communicating pipe is communicated with the puncture needle.
2. The infusion line to reservoir connection of claim 1, wherein the lancet comprises: the needle comprises a needle body, a needle point and a first communication hole, wherein the first communication hole is formed in the center of the needle body, and the needle point is arranged at the front end of the needle body.
3. The infusion line to reservoir connection of claim 2, wherein the needle tip has a piercing surface that is angled from 17 ° to 30 ° from the axial direction of the needle body.
4. A connection device for an infusion line and a reservoir according to claim 3, wherein a first supporting edge and a second supporting edge are arranged between the piercing surface and the outer wall of the needle body, the first supporting edge and the second supporting edge are symmetrically arranged with the needle tip as a center, and an included angle between the first supporting edge and the second supporting edge is 30 ° -45 °.
5. The infusion line to reservoir connection of claim 2, wherein the needle has an outer diameter of 0.60mm to 0.80mm.
6. The infusion line-to-reservoir connection device of claim 2, wherein the first communication hole can be directly from 0.20mm to 0.35mm.
7. The connection device of an infusion line and a reservoir according to claim 2, wherein the communication pipe has a second communication hole in the center thereof, the second communication hole communicating with the first communication hole.
8. The connection device of an infusion line and a drug reservoir according to claim 1, wherein the connection cap, the lancet and the communication tube are all made of medical polymer materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223520040.8U CN219071589U (en) | 2022-12-28 | 2022-12-28 | Connecting device for infusion pipeline and medicine storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223520040.8U CN219071589U (en) | 2022-12-28 | 2022-12-28 | Connecting device for infusion pipeline and medicine storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219071589U true CN219071589U (en) | 2023-05-26 |
Family
ID=86398936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223520040.8U Active CN219071589U (en) | 2022-12-28 | 2022-12-28 | Connecting device for infusion pipeline and medicine storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219071589U (en) |
-
2022
- 2022-12-28 CN CN202223520040.8U patent/CN219071589U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 5, No. 1019 Liaohe Road, Xinbei District, Changzhou City, Jiangsu Province, 213000 Patentee after: Vertex Medical Equipment (Jiangsu) Co.,Ltd. Country or region after: Zhong Guo Address before: No. 35-209, South Changjiang Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee before: WUXI DINGDIAN MEDICAL INSTRUMENT CO.,LTD. Country or region before: Zhong Guo |