CN215134635U - Novel needleless infusion joint with automatic sealing valve - Google Patents
Novel needleless infusion joint with automatic sealing valve Download PDFInfo
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- CN215134635U CN215134635U CN202023342527.2U CN202023342527U CN215134635U CN 215134635 U CN215134635 U CN 215134635U CN 202023342527 U CN202023342527 U CN 202023342527U CN 215134635 U CN215134635 U CN 215134635U
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- valve body
- silica gel
- connecting shell
- gel valve
- limiting section
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Abstract
The utility model discloses a take automatic airtight valve's novel needleless infusion to connect, first connecting shell and second connecting shell including interconnect, the both ends of first connecting shell link up, the both ends of second connecting shell link up, first connecting shell has set gradually first spacing section and the spacing section of second along the circulation direction of liquid, the spacing section of second is located one side that the inlet was kept away from to first spacing section, the internal diameter of first spacing section is less than the spacing section internal diameter of second, be provided with the setting element in the second connecting shell, be provided with the silica gel valve in the second connecting shell, be provided with the water conservancy diversion chamber in the silica gel valve, the water conservancy diversion chamber passes through setting element and second connecting shell intercommunication, the setting element is located to silica gel valve tip cover, the tip and the first spacing section butt that the silica gel valve is close to the inlet, the tip that the silica gel valve is close to the inlet is provided with the incision. Liquid flows from the liquid inlet to the liquid outlet through the diversion cavity, and the flowing path is linear, so that the possibility of damaging the integrity of blood cells is greatly reduced, and the probability of hemolysis is reduced.
Description
Technical Field
The utility model relates to a medical article, in particular to a novel needleless infusion joint with an automatic sealing valve.
Background
With the continuous improvement of nursing technology, the wide application of the venous indwelling needle relieves the pain of a patient caused by repeated venipuncture for long-term treatment, and simultaneously relieves the workload of nurses, but the venous indwelling needle is easy to block the tube in the clinical application process, the tube is flushed once every 4-6 hours by using normal saline and the tube is sealed by a heparin cap, the patient is easy to cause phlebitis, in addition, the heparin cap for sealing the tube influences the blood coagulation function, the heparin cap is punctured by a scalp needle for a long time, and the spread of blood-borne diseases caused by accidental needle prick of nursing personnel is increased.
Therefore, the needleless connector is applied to clinic, the danger that the skin of a patient is scratched due to the fact that a needle head connected with a heparin cap is separated from a restless patient is effectively avoided, the risk that a nurse is injured by a needle is also avoided, cross infection is caused, clinical medication and emergency rescue are facilitated, the workload of the nurse is reduced, and the needleless connector has important clinical significance.
The existing needleless connector consists of a shell and a silica gel valve, the silica gel valve is arranged in the shell, one end of the silica gel valve is in interference fit with the shell, the silica gel valve tightly supports an opening of the shell, when infusion is needed, an injector applies force to the silica gel valve, the silica gel valve is far away from the opening of the shell, the opening of the shell is opened, the infusion is completed, the position of the silica gel valve is changed, the silica gel valve is elastically deformed, liquid medicine flows through the space between the inner side wall of the shell and the outer side wall of the silica gel valve, the silica gel valve is deformed to be bent, when blood or blood products are injected, the integrity of blood cells can be damaged by the bent flow guide channel, and the probability of hemolysis is greatly improved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: aims to provide a novel needleless infusion joint with an automatic sealing valve, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.
The utility model provides a solution of its technical problem is:
a novel needleless infusion joint with an automatic sealing valve comprises a first connecting shell and a second connecting shell which are connected with each other, wherein two ends of the first connecting shell are communicated, two ends of the second connecting shell are communicated, the first connecting shell is provided with a liquid inlet, the second connecting shell is provided with a liquid outlet, the first connecting shell is sequentially provided with a first limiting section and a second limiting section along the flowing direction of liquid, the second limiting section is positioned on one side of the first limiting section away from the liquid inlet, the inner diameter of the first limiting section is smaller than that of the second limiting section, a positioning part is arranged in the second connecting shell, a silica gel valve is arranged in the second connecting shell, a flow guide cavity is arranged in the silica gel valve and is communicated with the second connecting shell through a positioning part, the positioning part is sleeved at the end part of the silica gel valve close to the liquid outlet, the end part of the silica gel valve close to the liquid inlet is abutted against the first limiting section, and an incision is arranged at the end part of the silica gel valve close to the liquid inlet.
The utility model has the advantages that: the setting element is located to silica gel valve pot head, and the silica gel valve other end receives the injecing of first spacing section and the spacing section of second for the motion range of silica gel valve is all the time between first joint housing and second joint housing, and liquid flows to the liquid outlet from the inlet through the water conservancy diversion chamber, and its route of flowing is the straight line, and greatly reduced destroys the possibility of the integrality of blood cell, has reduced the hemolytic probability.
As the further improvement of above-mentioned technical scheme, the silica gel valve includes first silica gel valve body, second silica gel valve body and the third silica gel valve body that sets gradually along the flow direction of liquid, the lateral wall and the first spacing section butt of first silica gel valve body, the lateral wall and the spacing section butt of second silica gel valve body, the setting element is located to the tip cover that the second silica gel valve body was kept away from to the third silica gel valve body, the incision sets up in first silica gel valve body, the water conservancy diversion chamber sets up in first silica gel valve body, second silica gel valve body and third silica gel valve body.
After the infusion was accomplished, thereby the third silica gel valve body resumes deformation and promotes first silica gel valve body and second silica gel valve body when keeping away from the direction motion of liquid outlet, and the second silica gel valve body supports when tightly in the spacing section of second, and the third silica gel valve body can not continue to promote first silica gel valve body and move towards liquid outlet department to guarantee that first silica gel valve body flushes with the port of first connection shell, reduce the area of contact of first silica gel valve body and air, reduce breeding of bacterium.
As a further improvement of the technical scheme, the third silica gel valve body is corrugated, and a space is reserved between the outer side wall of the third silica gel valve body and the inner side wall of the second connecting shell.
The corrugated third silica gel valve body is easier to recover deformation after compression, and dead angle positions in a flow guide cavity arranged on the third silica gel valve body are fewer, so that the corrugated third silica gel valve body is convenient to clean.
As a further improvement of the above technical scheme, the silica gel valve further comprises a fourth silica gel valve body, the fourth silica gel valve body is arranged on one side of the third silica gel valve body away from the second silica gel valve body, and the positioning piece is sleeved with the fourth silica gel valve body.
The position of the silica gel valve in the second connecting shell can be more limited by additionally arranging the fourth silica gel valve body.
As a further improvement of the above technical scheme, the first connecting shell is provided with a first outer connecting section far away from the liquid inlet, the second connecting shell is provided with a second inner connecting section far away from the liquid outlet, the outer side wall of the second inner connecting section is sleeved with the first outer connecting section, and the first outer connecting section is arranged on one side, far away from the liquid inlet, of the second limiting section.
Add the first outer linkage segment and the second inner linkage segment of mutually supporting to this hookup location of injecing first connection shell and second connection shell, be convenient for install first connection shell and second connection shell.
As a further improvement of the above technical solution, the first outer connecting section is stepped.
The first outer connecting section is in a step shape, the connecting position of the first connecting shell and the second connecting shell is further limited, and the first connecting shell and the second connecting shell are convenient to install.
As a further improvement of the above technical solution, the inner diameter of the second position-limiting section gradually increases along the flow direction of the liquid, and the inner diameter of the first position-limiting section is equal to the minimum inner diameter of the second position-limiting section.
The internal diameter of the second limiting section is gradually increased along the flowing direction of liquid, so that the silica gel valve is guided, and the silica gel valve is convenient to push.
As a further improvement of the above technical scheme, the positioning member comprises a positioning tube, the positioning tube is arranged in the second connecting shell, and the positioning tube is communicated with the second connecting shell.
The locating tube can realize switching on of water conservancy diversion chamber, and is convenient for locate the silica gel valve barrel on the locating tube for the efficiency of installation.
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. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.
FIG. 1 is a cross-sectional view of the novel needleless infusion connector with an automatic sealing valve of the present invention;
fig. 2 is an exploded view of the novel needleless infusion joint with the automatic sealing valve of the present invention.
In the figure, 1, a first connecting shell; 11. a first limiting section; 12. a second limiting section; 13. a first outer connection section; 2. a second connection housing; 21. a second inner connecting section; 3. a positioning member; 4. a silicone valve; 41. a first silica gel valve body; 42. a second silica gel valve body; 43. a third silica gel valve body; 44. a fourth silica gel valve body; 5. a flow guide cavity; 6. and (6) cutting.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 2, the novel needleless infusion connector with an automatic sealing valve of the present invention comprises the following embodiments:
the utility model provides a take automatic airtight valve's novel needleless infusion to connect, first connecting shell 1 and second connecting shell 2 including interconnect, first connecting shell 1 link up along the both ends that are on a parallel with the liquid flow direction, second connecting shell 2 link up along the both ends that are on a parallel with the liquid flow direction, first connecting shell 1 is provided with the inlet, second connecting shell 2 is provided with the liquid outlet, it is concrete, inlet and liquid outlet are just to setting up, first connecting shell 1 and second connecting shell 2 all are the transparence, be convenient for observe the inside condition of first connecting shell 1 and second connecting shell 2.
The first connecting shell 1 is provided with a first outer connecting section 13 far away from the liquid inlet, the second connecting shell 2 is provided with a second inner connecting section 21 far away from the liquid outlet, the outer side wall of the second inner connecting section 21 is sleeved with the inner side wall of the first outer connecting section 13, and the first outer connecting section 13 is in a step shape in order to limit the connecting position of the first outer connecting section 13 and the second inner connecting section 21.
First joint housing 1 has set gradually first spacing section 11 and the spacing section 12 of second along the circulation direction of liquid, and the spacing section 12 of second is located one side that the inlet was kept away from to first spacing section 11, and first outer linkage section 13 sets up in the spacing section 12 one side of keeping away from the inlet of second, and the internal diameter of first spacing section 11 is less than the spacing section 12 internal diameter of second.
The inner diameter of the second limiting section 12 gradually increases along the flowing direction of the liquid, and the inner diameter of the first limiting section 11 is equal to the minimum inner diameter of the second limiting section 12.
Be provided with setting element 3 in the second connects 2 shells, it is concrete, setting element 3 includes the registration arm, and the registration arm communicates with second connects 2 shells, and the registration arm is located the middle part of second connect 2 shells, and the center pin of registration arm is on a parallel with the circulation direction of liquid.
A silica gel valve 4 is arranged in the second connecting shell 2, the silica gel valve 4 comprises a first silica gel valve body 41, a second silica gel valve body 42, a third silica gel valve body 43 and a fourth silica gel valve body 44 which are sequentially arranged along the flowing direction of liquid, the first silica gel valve body 41, the second silica gel valve body 42, the third silica gel valve body 43 and the fourth silica gel valve body 44 are integrally formed, a flow guide cavity 5 is formed in the first silica gel valve body 41, the second silica gel valve body 42, the third silica gel valve body 43 and the fourth silica gel valve body 44, the inner side wall of the fourth silica gel valve body 44 is sleeved on the outer side wall of the positioning pipe, a distance is reserved between the outer side wall of the third silica gel valve body 43 and the inner side wall of the second connecting shell 2, the outer side wall of the first silica gel valve body 41 is abutted against the first limiting section 11, the outer side wall of the second silica gel valve body 42 is abutted against the second limiting section 12, a notch 6 is arranged at the end part of the first silica gel valve body 41 far away from the liquid outlet, and the notch 6 is communicated with the flow guide cavity 5,
in order to make the rebound effect of the silicone valve 4 better, the third silicone valve body 43 is corrugated.
When using the utility model discloses a take automatic airtight valve's novel needleless infusion to connect, when the needleless infusion connects and is non-conducting state, first silica gel valve body 41 supports tightly in first spacing section 11 to with the inlet shutoff, the inside wall of first spacing section 11 can produce certain pressure to first silica gel valve body 41, makes incision 6 be the enclosed state.
When the needleless infusion joint is the conducting state, the syringe of peripheral hardware presses to first silica gel valve body 41, make first silica gel valve body 41 move towards the direction of liquid outlet, second silica gel valve body 42 moves towards the direction of liquid outlet in step this moment, because the registration arm is located to fourth silica gel valve body 44 cover, third silica gel valve body 43 receives the pressure of second silica gel valve body 42 to make it take place to deform, until first silica gel valve body 41 slides to the spacing section 12 of second on, the internal diameter of the spacing section 12 of second is greater than the internal diameter of first spacing section 11, have the space that can supply first silica gel valve body 41 to strut, then incision 6 opens under the effect of external force, thereby realize the effect that switches on.
After the infusion is finished, the incision 6 is pulled out of the injector, the first silica gel valve body 41 is not affected by the injector, and the third silica gel valve body 43 recovers deformation, so that the first silica gel valve body 41 and the second silica gel valve body 42 are pushed to move in the direction away from the liquid outlet, when the second silica gel valve body 42 slides to the second limiting section 12, the first limiting section 11 can limit the second silica gel valve body 42 to continue to move in the direction close to the liquid inlet, the first silica gel valve body 41 is tightly abutted against the first limiting section 11, because the position of the silica gel valve 4 is limited by the positioning tube and the second limiting section 12, the first silica gel valve body 41, the second silica gel valve body 42 and the third silica gel valve body 43 move in the flowing direction of the liquid, the liquid flowing through the flow guide cavity 5 flows linearly, the possibility of damaging the integrity of blood cells is reduced, and the probability of hemolysis is reduced.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (8)
1. The novel needleless infusion joint with the automatic sealing valve is characterized by comprising a first connecting shell (1) and a second connecting shell (2) which are connected with each other, wherein two ends of the first connecting shell (1) are communicated, two ends of the second connecting shell (2) are communicated, the first connecting shell (1) is provided with a liquid inlet, the second connecting shell (2) is provided with a liquid outlet, the first connecting shell (1) is sequentially provided with a first limiting section (11) and a second limiting section (12) along the flowing direction of liquid, the second limiting section (12) is positioned on one side, away from the liquid inlet, of the first limiting section (11), the inner diameter of the first limiting section (11) is smaller than that of the second limiting section (12), a positioning piece (3) is arranged in the second connecting shell (2), a silica gel valve (4) is arranged in the second connecting shell (2), a flow guide cavity (5) is arranged in the silica gel valve (4), flow guide cavity (5) are connected shell (2) intercommunication through setting element (3) and second, setting element (3) are located to end cover that silica gel valve (4) are close to the liquid outlet, end and first spacing section (11) butt that silica gel valve (4) are close to the inlet, end that silica gel valve (4) are close to the inlet is provided with incision (6).
2. The novel needleless infusion joint with the automatic sealing valve according to claim 1, wherein the silicone valve (4) comprises a first silicone valve body (41), a second silicone valve body (42) and a third silicone valve body (43) which are sequentially arranged along the flowing direction of the liquid, the outer side wall of the first silicone valve body (41) is abutted against the first limiting section (11), the outer side wall of the second silicone valve body (42) is abutted against the second limiting section (12), the end part of the third silicone valve body (43) far away from the second silicone valve body (42) is sleeved on the positioning part (3), the notch (6) is arranged on the first silicone valve body (41), and the flow guide cavity (5) is arranged on the first silicone valve body (41), the second silicone valve body (42) and the third silicone valve body (43).
3. The novel needleless infusion joint with the automatic sealing valve as claimed in claim 2, wherein the third silicone valve body (43) is corrugated, and a space is left between the outer side wall of the third silicone valve body (43) and the inner side wall of the second connection housing (2).
4. The novel needleless infusion joint with the automatic sealing valve as claimed in claim 3, wherein the silicone valve (4) further comprises a fourth silicone valve body (44), the fourth silicone valve body (44) is disposed on one side of the third silicone valve body (43) away from the second silicone valve body (42), and the positioning member (3) is sleeved with the fourth silicone valve body (44).
5. The novel needleless infusion joint with the automatic sealing valve as claimed in claim 1, wherein a first outer connecting section (13) is disposed on the first connecting shell (1) away from the liquid inlet, a second inner connecting section (21) is disposed on the second connecting shell (2) away from the liquid outlet, the first outer connecting section (13) is sleeved on the outer side wall of the second inner connecting section (21), and the first outer connecting section (13) is disposed on one side of the second limiting section (12) away from the liquid inlet.
6. The novel needleless infusion connector with the automatic sealing valve as claimed in claim 5, wherein the first external connection section (13) is stepped.
7. The novel needleless infusion joint with the automatic sealing valve as claimed in claim 1, wherein the inner diameter of the second limiting section (12) is gradually increased along the flowing direction of the liquid, and the inner diameter of the first limiting section (11) is equal to the minimum inner diameter of the second limiting section (12).
8. The novel needleless infusion connector with the automatic sealing valve as claimed in claim 1, wherein the positioning member (3) comprises a positioning tube, the positioning tube is disposed in the second connection housing (2), and the positioning tube is communicated with the second connection housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342527.2U CN215134635U (en) | 2020-12-31 | 2020-12-31 | Novel needleless infusion joint with automatic sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023342527.2U CN215134635U (en) | 2020-12-31 | 2020-12-31 | Novel needleless infusion joint with automatic sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215134635U true CN215134635U (en) | 2021-12-14 |
Family
ID=79401960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023342527.2U Active CN215134635U (en) | 2020-12-31 | 2020-12-31 | Novel needleless infusion joint with automatic sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215134635U (en) |
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2020
- 2020-12-31 CN CN202023342527.2U patent/CN215134635U/en active Active
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