CN214050023U - Positive pressure closed type transfusion joint - Google Patents
Positive pressure closed type transfusion joint Download PDFInfo
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- CN214050023U CN214050023U CN202022785267.XU CN202022785267U CN214050023U CN 214050023 U CN214050023 U CN 214050023U CN 202022785267 U CN202022785267 U CN 202022785267U CN 214050023 U CN214050023 U CN 214050023U
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- silica gel
- elastic silica
- lower base
- joint
- shell
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Abstract
The utility model discloses a malleation closed infusion connects, including connecting lower base, joint shell and fluid flow channel, the surface that connects the shell evenly is fixed with first antislip strip, the inside that connects lower base is provided with the fluid flow channel, elastic silica gel head top extends to the top that connects the shell. The utility model discloses an elastic silica gel valve structure is hollow barrel, the intermediate part is hollow, compressible and resilience, elastic silica gel valve structure is filled in the inner chamber that connects the shell, elastic silica gel head, elastic silica gel shoulder forms sealedly with connecting the shell kneck, when the kneck that connects the shell connects infusion equipment, elastic silica gel valve structure receives the compression, make the infusion connect intercommunication from top to bottom, after the use, extract infusion equipment, elastic silica gel valve structure kick-backs to the normal position, keep apart the effect that the inner chamber reached with external contact and prevent backward flow and infection, thereby the leakproofness that this malleation closed infusion connects has been realized.
Description
Technical Field
The utility model relates to the technical field of medical supplies, in particular to a positive pressure closed type transfusion joint.
Background
In recent years, with the popularization of intravenous retention needle infusion, a needle-free infusion connector also starts to be widely applied, a common needle-free infusion connector on the market at present consists of a connector shell, a connector lower base and an elastic silica gel valve, and medical staff firstly disinfect the connector and then connect an infusion apparatus during clinical use;
the conventional needle-free infusion connector has no positive pressure function or elastic silica gel valve, so that the infection probability is increased, and the positive pressure closed infusion connector has the advantages of simple and convenient disinfection, small infection rate, no need of using heparin to seal a tube and the like, so that the inconvenience brought to medical personnel by preparing a heparin solution is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a malleation closed infusion connects to propose the malleation that does not of conventional needleless infusion joint in solving above-mentioned background art and give liquid performance, the unable resilience of elastic silica gel valve plays the guard action after the infusion, and when connecting the infusion equipment infusion, when causing the backpressure because of liquid flow, probably destroys sealedly, leads to the unable problem of continuing the infusion.
In order to achieve the above object, the utility model provides a following technical scheme: a positive pressure closed type transfusion joint comprises a joint lower base, a joint shell and a fluid flow channel, wherein a first anti-slip strip is uniformly fixed on the surface of the joint shell, a lower joint base is fixed at the bottom end of the joint shell, second anti-slip strips are uniformly fixed on the surface of the lower joint base, a fluid flow channel is arranged inside the lower base of the joint, a connecting structure is arranged at the central position of the top end of the lower base of the joint, the top end of the connecting structure is provided with an elastic silica gel valve structure which comprises an elastic silica gel head, an elastic silica gel shoulder and an elastic silica gel barrel, the elastic silica gel barrel is arranged above the connecting structure, an elastic silica gel shoulder is arranged at the top end of the elastic silica gel barrel, the top of elasticity silica gel shoulder is provided with elasticity silica gel head, elasticity silica gel head top extends to the top that connects the shell.
Preferably, the surface of the top end of the joint lower base is provided with an external thread, and the outer diameter of the joint lower base is smaller than the inner diameter of the joint shell.
Preferably, connection structure includes lower base boss, fluid inlet, fixing base, air passage entry, connecting seat and annular groove, the connecting seat sets up in the bottom of elasticity silica gel valve structure, the bottom of connecting seat is provided with annular groove, the fixing base bottom with connect the top fixed connection of base down, the top of fixing base is fixed with lower base boss, lower base boss top extends to the inside of annular groove, the surface of lower base boss is provided with the air passage entry, the inside of lower base boss is provided with fluid inlet.
Preferably, the outer diameter of the lower base boss is smaller than the inner diameter of the annular groove, and the lower base boss and the annular groove form a clamping structure.
Preferably, the first anti-slip strip is provided with a plurality of on the surface of the joint shell, and the first anti-slip strips are distributed at equal intervals.
Preferably, the surface of the second anti-skid strip on the lower base of the joint is provided with a plurality of second anti-skid strips which are distributed annularly.
Compared with the prior art, the beneficial effects of the utility model are that: the positive-pressure closed type transfusion connector not only realizes the sealing performance of the positive-pressure closed type transfusion connector, realizes the internal connectivity of the positive-pressure closed type transfusion connector, but also realizes the anti-skid performance of the positive-pressure closed type transfusion connector during use;
(1) the elastic silica gel valve structure is a hollow cylinder, the middle part of the elastic silica gel valve structure is hollow and can be compressed and rebounded, the elastic silica gel valve structure is filled in an inner cavity of the joint shell, the elastic silica gel head, the elastic silica gel shoulder and the joint shell interface form sealing, when the interface of the joint shell is connected with the infusion equipment, the elastic silica gel valve structure is compressed to enable the infusion joint to be communicated up and down, liquid medicine flows into a fluid flow channel through a fluid inlet, after the elastic silica gel valve structure is used, the infusion equipment is pulled out, the elastic silica gel valve structure rebounds to the original position to enable the infusion joint to be in a sealing state, the contact between the inner cavity and the outside is isolated to achieve the effect of preventing backflow and infection, before the next use, the interface of the joint shell is sterilized, and then the infusion equipment is connected to carry out infusion, so that the sealing performance of the positive pressure closed infusion joint is achieved;
(2) when the positive pressure closed type transfusion connector is used, a lower base boss on a lower base of the connector and a connecting base at the bottom of an elastic silica gel valve structure can be mutually matched, connected and fixed together, and the entered liquid medicine can flow into a fluid flow channel through a fluid inlet in the lower base boss for transfusion, so that the internal connectivity of the positive pressure closed type transfusion connector is realized;
(3) through the surface evenly distributed who connects the lower base and connect the shell have first antislip strip of multiunit and second antislip strip, when using this malleation closed infusion to connect, the existence of first antislip strip and second antislip strip can multiplicable this malleation closed infusion connect surperficial frictional force to antiskid nature when having realized this malleation closed infusion and connecting the use.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic front view of the structure of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the lower base of the joint of the present invention;
fig. 4 is a schematic diagram of a three-dimensional structure of the elastic silica gel valve structure of the present invention;
fig. 5 is a schematic view of the front cross-sectional structure of the elastic silicone valve of the present invention.
In the figure: 1. a joint lower base; 2. a connector housing; 3. an elastic silica gel valve structure; 301. an elastic silicone head; 302. an elastic silica gel shoulder; 303. an elastic silica gel barrel; 4. a connecting structure; 401. a lower base boss; 402. a fluid inlet; 403. a fixed seat; 404. an air channel inlet; 405. a connecting seat; 406. an annular groove; 5. a fluid flow passage; 6. a first cleat; 7. and a second cleat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.
Referring to fig. 1-5, the present invention provides an embodiment: a positive-pressure closed infusion joint comprises a joint lower base 1, a joint shell 2 and a fluid flow channel 5, wherein first anti-slip strips 6 are uniformly fixed on the surface of the joint shell 2, a plurality of first anti-slip strips 6 are arranged on the surface of the joint shell 2, the first anti-slip strips 6 are distributed at equal intervals, the bottom end of the joint shell 2 is fixedly provided with the joint lower base 1, external threads are arranged on the surface of the top end of the joint lower base 1, the outer diameter of the joint lower base 1 is smaller than the inner diameter of the joint shell 2, second anti-slip strips 7 are uniformly fixed on the surface of the joint lower base 1, the second anti-slip strips 7 are arranged on the surface of the joint lower base 1, and the second anti-slip strips 7 are distributed annularly;
specifically, as shown in fig. 2, when the positive pressure closed infusion connector is used, a plurality of groups of first anti-slip strips 6 and second anti-slip strips 7 are uniformly distributed on the surfaces of the connector lower base 1 and the connector shell 2, and when the positive pressure closed infusion connector is used, the friction force on the surface of the positive pressure closed infusion connector can be increased due to the first anti-slip strips 6 and the second anti-slip strips 7;
a fluid flow channel 5 is arranged in the lower base 1 of the joint, a connecting structure 4 is arranged at the central position of the top end of the lower base 1 of the joint, the connecting structure 4 comprises a lower base boss 401, a fluid inlet 402 and a fixed seat 403, the elastic silica gel valve structure comprises an air channel inlet 404, a connecting seat 405 and an annular groove 406, wherein the connecting seat 405 is arranged at the bottom end of the elastic silica gel valve structure 3, the annular groove 406 is arranged at the bottom end of the connecting seat 405, the bottom end of a fixing seat 403 is fixedly connected with the top end of a joint lower base 1, a lower base boss 401 is fixed at the top end of the fixing seat 403, the top end of the lower base boss 401 extends to the inside of the annular groove 406, the surface of the lower base boss 401 is provided with the air channel inlet 404, the inside of the lower base boss 401 is provided with a fluid inlet 402, the outer diameter of the lower base boss 401 is smaller than the inner diameter of the annular groove 406, and the lower base boss 401 and the annular groove 406 form a clamping structure;
specifically, as shown in fig. 3 and 4, when the structure is used, the lower base boss 401 on the joint lower base 1 and the connecting seat 405 at the bottom of the elastic silica gel valve structure 3 can be mutually matched, connected and fixed together, and the entered liquid medicine can flow into the fluid flow channel 5 through the fluid inlet 402 in the lower base boss 401 for transfusion;
the top end of the connecting structure 4 is provided with an elastic silica gel valve structure 3, the elastic silica gel valve structure 3 comprises an elastic silica gel head 301, an elastic silica gel shoulder 302 and an elastic silica gel barrel 303, the elastic silica gel barrel 303 is arranged above the connecting structure 4, the top end of the elastic silica gel barrel 303 is provided with the elastic silica gel shoulder 302, the top end of the elastic silica gel shoulder 302 is provided with the elastic silica gel head 301, and the top end of the elastic silica gel head 301 extends to the top end of the joint shell 2;
specifically, as shown in fig. 1 and 4, when the structure is used, the elastic silicone valve structure 3 is a hollow cylinder, the middle part is hollow, and is compressible and resilient, the elastic silicone valve structure 3 is filled in the inner cavity of the joint housing 2, the elastic silicone head 301, the elastic silicone shoulder 302 and the joint housing 2 interface form a seal, when the interface of the joint housing 2 is connected with an infusion device, the elastic silicone valve structure 3 is compressed to enable the infusion connector to be communicated up and down, the liquid medicine flows into the fluid flow channel 5 through the fluid inlet 402, after the use, the infusion device is pulled out, the elastic silicone valve structure 3 is resilient to the original position, the infusion connector is in a sealed state, the contact between the inner cavity and the outside is isolated to achieve the effects of preventing backflow and infection, before the next use, the interface of the joint housing 2 is sterilized, and then the infusion device is connected to perform infusion.
The working principle is as follows: when the connector is used, firstly, infusion equipment is inserted into a connector of the connector shell 2, the elastic silica gel valve structure 3 in the connector shell 2 is a hollow cylinder, the middle part of the elastic silica gel valve structure is hollow and can be compressed and rebounded, the elastic silica gel valve is filled in an inner cavity of the connector shell 2, the elastic silica gel head 301 and the elastic silica gel shoulder 302 form sealing with the connector of the connector shell 2, and when the connector of the connector shell 2 is connected with the infusion equipment, the elastic silica gel valve structure 3 is compressed, so that the infusion connector is communicated up and down;
then, the lower base boss 401 on the lower base 1 of the connector and the connecting seat 405 at the bottom of the elastic silica gel valve structure 3 can be mutually matched, connected and fixed together, the entered liquid medicine can flow into the fluid flow channel 5 through the fluid inlet 402 in the lower base boss 401 for transfusion, after the transfusion is finished, the transfusion equipment is pulled out, the elastic silica gel valve structure 3 rebounds to the original position, so that the transfusion connector is in a sealed state, the contact between the inner cavity and the outside is isolated to achieve the effects of preventing backflow and infection, the interior of the transfusion connector is kept in positive pressure in the process, so that the backflow of blood is prevented, the use safety is ensured, before the next use, the interface of the connector shell 2 is sterilized, and then the transfusion equipment is connected for transfusion;
and finally, a plurality of groups of first anti-slip strips 6 and second anti-slip strips 7 are uniformly distributed on the surfaces of the joint lower base 1 and the joint shell 2, when the positive-pressure closed infusion joint is used, the friction force on the surface of the positive-pressure closed infusion joint can be increased due to the first anti-slip strips 6 and the second anti-slip strips 7, and the whole using process of the positive-pressure closed infusion joint is finally completed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a malleation closed infusion connects, includes joint subbase (1), connects shell (2) and fluid flow channel (5), its characterized in that: the surface of the joint shell (2) is uniformly fixed with first anti-slip strips (6), the bottom end of the joint shell (2) is fixed with a joint lower base (1), the surface of the joint lower base (1) is uniformly fixed with second anti-slip strips (7), a fluid flow channel (5) is arranged inside the joint lower base (1), a connecting structure (4) is arranged at the central position of the top end of the joint lower base (1), an elastic silica gel valve structure (3) is arranged at the top end of the connecting structure (4), the elastic silica gel valve structure (3) comprises an elastic silica gel head (301), an elastic silica gel shoulder (302) and an elastic silica gel barrel (303), the elastic silica gel barrel (303) is arranged above the connecting structure (4), the top end of the elastic silica gel barrel (303) is provided with the elastic silica gel shoulder (302), and the top end of the elastic silica gel shoulder (302) is provided with the elastic silica gel head (301), the top end of the elastic silica gel head (301) extends to the top end of the joint shell (2).
2. The positive pressure closed type infusion connector according to claim 1, wherein: the surface of the top end of the joint lower base (1) is provided with external threads, and the outer diameter of the joint lower base (1) is smaller than the inner diameter of the joint shell (2).
3. The positive pressure closed type infusion connector according to claim 1, wherein: connection structure (4) include lower base boss (401), fluid inlet (402), fixing base (403), air passage entry (404), connecting seat (405) and annular groove (406), connecting seat (405) set up in the bottom of elasticity silica gel valve structure (3), the bottom of connecting seat (405) is provided with annular groove (406), the top fixed connection of base (1) under fixing base (403) bottom and the joint, the top of fixing base (403) is fixed with lower base boss (401), base boss (401) top extends to the inside of annular groove (406) down, the surface of lower base boss (401) is provided with air passage entry (404), the inside of lower base boss (401) is provided with fluid inlet (402).
4. The positive pressure closed type infusion connector according to claim 3, wherein: the outer diameter of the lower base boss (401) is smaller than the inner diameter of the annular groove (406), and the lower base boss (401) and the annular groove (406) form a clamping structure.
5. The positive pressure closed type infusion connector according to claim 1, wherein: the first anti-slip strips (6) are arranged on the surface of the joint shell (2) in an equidistant mode, and the first anti-slip strips (6) are distributed at equal intervals.
6. The positive pressure closed type infusion connector according to claim 1, wherein: the surface of the second anti-skid strip (7) on the joint lower base (1) is provided with a plurality of second anti-skid strips (7) which are distributed annularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022785267.XU CN214050023U (en) | 2020-11-27 | 2020-11-27 | Positive pressure closed type transfusion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022785267.XU CN214050023U (en) | 2020-11-27 | 2020-11-27 | Positive pressure closed type transfusion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214050023U true CN214050023U (en) | 2021-08-27 |
Family
ID=77403727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022785267.XU Active CN214050023U (en) | 2020-11-27 | 2020-11-27 | Positive pressure closed type transfusion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214050023U (en) |
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2020
- 2020-11-27 CN CN202022785267.XU patent/CN214050023U/en active Active
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