CN211383152U - Butterfly type anti-reflux needle-free quick connection indwelling needle - Google Patents
Butterfly type anti-reflux needle-free quick connection indwelling needle Download PDFInfo
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- CN211383152U CN211383152U CN201921839838.4U CN201921839838U CN211383152U CN 211383152 U CN211383152 U CN 211383152U CN 201921839838 U CN201921839838 U CN 201921839838U CN 211383152 U CN211383152 U CN 211383152U
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- sealing plug
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Abstract
The utility model relates to the technical field of medical equipment, specifically disclose a butterfly type prevents needleless high-speed joint stay needle against current, including tubing assembly and needle tubing assembly, the tubing assembly with be provided with between the needle tubing assembly needleless airtight infusion connects, needleless airtight infusion connects including shell, sealing plug and connecting seat, connecting seat cavity sets up, the connecting seat with the tubing assembly is connected, the sealing plug set up in the afterbody of connecting seat realizes the sealed to the connecting seat, the sealing plug is provided with the incision of normal close, the incision link up set up in the sealing plug, notched one end with the connecting seat is connected. The utility model discloses not only convenient to use, safety, reliable effectively avoid the blood overflow to cause the blood source nature to infect, be applicable to other formula syringes of cuting straightly or the screw connection transfusion system carries out infusion, blood transfusion etc. simultaneously.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to a butterfly type prevents needleless high-speed joint indwelling needle against current.
Background
The indwelling needle is a common medical instrument for intravenous infusion treatment, and the use of the indwelling needle can not only reduce the pain of a patient caused by repeated puncture, but also reduce the workload of medical care personnel.
The butterfly type indwelling needle is an open type indwelling needle, after a needle core is withdrawn during clinical puncture, blood vessels need to be pressed by hands to prevent blood from overflowing from the tail end of the needle, strict requirements are required on an operation technique, after the butterfly type indwelling needle is punctured successfully, the blood vessels need to be pressed, and meanwhile, transfusion auxiliary accessories such as a heparin cap and the like are connected, so that the butterfly type indwelling needle is inconvenient to operate, blood easily overflows in the process, nurses easily contact with the blood, and occupational exposure is easily caused to infect blood-related diseases.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a butterfly type prevents that needleless high-speed joint keeps somewhere needle against current to the not enough of prior art, and convenient to use, safety, reliable not only effectively avoid blood overflow to cause blood source nature to infect, is applicable to other formula syringes of cuting straightly or screwed connection transfusion system simultaneously and carries out the infusion, blood transfusion etc..
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a butterfly type prevents needle-free high-speed joint indwelling needle against current, includes tubing assembly and needle tubing assembly, the tubing assembly with be provided with between the needle tubing assembly needle-free airtight infusion connects, needle-free airtight infusion connects and includes shell, sealing plug and connecting seat, connecting seat cavity sets up, the connecting seat with the tubing assembly is connected, the sealing plug set up in the afterbody of connecting seat realizes the sealed to the connecting seat, the sealing plug is provided with the incision of normal close, the incision link up set up in the sealing plug, notched one end with the connecting seat is connected.
Further, the connecting seat is concavely arranged in the shell, so that an annular groove is formed between the connecting seat and the shell.
Further, the catheter hub of the catheter assembly extends into the annular groove to form a sealed connection of the catheter assembly and the needle-free sealed infusion connector.
Further, the connecting seat is inserted into a catheter seat of the catheter assembly, and the outer diameter of the connecting seat is equivalent to the inner diameter of the catheter seat.
Further, the conduit seat is in threaded connection with the outer shell.
Further, the notch is in a straight line shape, a herringbone shape or a cross shape.
Furthermore, the surface of the shell of the needle-free closed infusion joint is provided with anti-skid grains.
The utility model has the advantages that:
1. the utility model discloses make puncture easy operation, the adversary presses the blood vessel to require to reduce, effectively avoids the blood overflow to cause the blood source nature to infect.
2. The utility model discloses a set up the airtight infusion of needleless and connect, reduce auxiliary assembly and connect the step, need not connect accessories such as heparin cap after pulling out the needle, but the direct connection transfusion system carries out the liquid medicine infusion, prevents puncture heparin cap simultaneously and uses the acupuncture that the scalp needle probably caused to hinder.
3. The utility model discloses a because the connection process is realized through the incision, can effectively avoid heparin cap plug to be punctured the risk that produces the piece and get into the vein, also can adopt the different joints of infusion pipeline and the airtight infusion of needleless to connect to be connected.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded cross-sectional view of the present invention.
Fig. 3 is a schematic view of a needleless closed infusion connector configuration.
FIG. 4 is a structural diagram showing a state in which the needle cannula assembly is used after being pulled out.
In the figure: 1 is a catheter component, 11 is a catheter, 12 is a rivet, and 13 is a catheter seat; 2, a needle-free closed infusion joint, 21, a connecting seat, 22, a sealing plug and 23, wherein the connecting seat is a connecting seat; 3 is a needle tube component, 31 is a steel needle, 32 is a needle seat, and 33 is an exhaust connector.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.
As shown in fig. 1 to 4, a butterfly-type backflow-preventing needle-free quick-connection indwelling needle comprises a catheter component 1 and a needle tube component 3, wherein the catheter component 1 comprises a catheter 11, a rivet 12 and a catheter seat 13, the needle tube component 3 comprises a steel needle 31, a needle seat 32 and an exhaust joint 33, the needle-free closed infusion joint 2 is arranged between the catheter component 1 and the needle tube component 3, the needle-free closed infusion joint 2 comprises a shell 23, a sealing plug 22 and a connecting seat 21, the connecting seat 21 is arranged in a hollow manner, the connecting seat 21 is connected with the catheter component 1, the sealing plug 22 is arranged at the tail of the connecting seat 21 to seal the connecting seat 21, the sealing plug 22 is provided with a normally closed cut, the cut is arranged in the sealing plug 22 in a penetrating manner, and one end of the cut is connected. The steel needle 31 of the needle tube assembly 3 sequentially penetrates through the cut of the sealing plug 22 of the needle-free closed infusion joint 2, the connecting seat 21 and the rivet 12 and extends into the catheter 11. The sealing plug 22 is preferably made of medical materials with certain elasticity, such as silica gel.
In the present embodiment, the connection holder 21 is recessed in the housing 23, so that an annular groove is formed between the connection holder 21 and the housing 23. Further, the catheter hub 13 of the catheter assembly 1 extends into the annular groove to form a sealed connection between the catheter assembly 1 and the needle-free closed infusion connector 2. The coupling socket 21 is inserted into the catheter hub 13 of the catheter assembly 1, and the coupling socket 21 has an outer diameter having a size corresponding to an inner diameter of the catheter hub 13.
In this embodiment, further, the catheter hub 13 is screwed to the outer shell 23.
In this embodiment, further, the notch is in-line, herringbone or cross shape.
In the embodiment, the surface of the shell 23 of the needleless closed infusion joint 2 is further provided with anti-skid grains.
When the needle is used, the steel needle 31 is used for pricking the skin and the blood vessel of a human body, after the needle is successfully punctured, the needle tube assembly 3 is pulled out, and the sealing plug 22 of the needle-free closed infusion connector 2 is completely closed under the action of the elasticity of the sealing plug 22, so that the blood is prevented from flowing backwards. Then the infusion tube is inserted through the cut of the sealing plug 22 to form a passage for infusion, the infusion tube is pulled out after the infusion process is finished, and the cut is completely closed under the action of the elasticity of the sealing plug 22 of the needleless closed infusion joint 2 to prevent the blood from flowing backwards.
It should be understood that the above detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can still be modified or equivalently replaced to achieve the same technical effects; as long as the use requirement is satisfied, the utility model is within the protection scope.
Claims (7)
1. The utility model provides a butterfly type prevents needleless quick connect indwelling needle against current, includes tubing subassembly (1) and needle tubing subassembly (3), its characterized in that: catheter subassembly (1) with be provided with between needle tubing assembly (3) needleless airtight infusion and connect (2), needleless airtight infusion connects (2) including shell (23), sealing plug (22) and connecting seat (21), connecting seat (21) cavity sets up, connecting seat (21) with catheter subassembly (1) is connected, sealing plug (22) set up in the afterbody of connecting seat (21) realizes the sealed to connecting seat (21), sealing plug (22) are provided with the incision of normal close, the incision link up set up in sealing plug (22), notched one end with connecting seat (21) are connected.
2. The butterfly-type backflow-preventing needle-free quick-connection indwelling needle according to claim 1, wherein: the connecting seat (21) is arranged in the shell (23) in a recessed mode, so that an annular groove is formed between the connecting seat (21) and the shell (23).
3. The butterfly-type backflow-preventing needle-free quick-connection indwelling needle according to claim 2, wherein: the catheter hub (13) of the catheter assembly (1) extends into the annular groove to form a hermetic connection of the catheter assembly (1) with the needle-free hermetic infusion connector (2).
4. The butterfly-type backflow-preventing needle-free quick-connection indwelling needle according to claim 1, wherein: the connecting seat (21) is inserted into a conduit seat (13) of the conduit assembly (1), and the outer diameter of the connecting seat (21) is equivalent to the inner diameter of the conduit seat (13).
5. The butterfly-type backflow-preventing needle-free quick-connection indwelling needle according to claim 3 or 4, wherein: the conduit seat (13) is in threaded connection with the outer shell (23).
6. The butterfly-type backflow-preventing needle-free quick-connection indwelling needle according to claim 1, wherein: the notch is in a straight line shape, a herringbone shape or a cross shape.
7. The butterfly-type backflow-preventing needle-free quick-connection indwelling needle according to claim 1, wherein: the surface of the shell (23) of the needle-free closed infusion joint (2) is provided with anti-skid grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839838.4U CN211383152U (en) | 2019-10-30 | 2019-10-30 | Butterfly type anti-reflux needle-free quick connection indwelling needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839838.4U CN211383152U (en) | 2019-10-30 | 2019-10-30 | Butterfly type anti-reflux needle-free quick connection indwelling needle |
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| Publication Number | Publication Date |
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| CN211383152U true CN211383152U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921839838.4U Active CN211383152U (en) | 2019-10-30 | 2019-10-30 | Butterfly type anti-reflux needle-free quick connection indwelling needle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112168296A (en) * | 2020-09-29 | 2021-01-05 | 杭州市老年病医院 | Anti-overflow blood totally enclosed's arteriopuncture external member |
-
2019
- 2019-10-30 CN CN201921839838.4U patent/CN211383152U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112168296A (en) * | 2020-09-29 | 2021-01-05 | 杭州市老年病医院 | Anti-overflow blood totally enclosed's arteriopuncture external member |
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