CN220424297U - Remaining needle with replaceable positive and negative pressure connector - Google Patents
Remaining needle with replaceable positive and negative pressure connector Download PDFInfo
- Publication number
- CN220424297U CN220424297U CN202321100586.XU CN202321100586U CN220424297U CN 220424297 U CN220424297 U CN 220424297U CN 202321100586 U CN202321100586 U CN 202321100586U CN 220424297 U CN220424297 U CN 220424297U
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- negative pressure
- connecting seat
- wall
- positive
- pipe
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- 230000014759 maintenance of location Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 7
- 238000010168 coupling process Methods 0.000 claims 7
- 238000005859 coupling reaction Methods 0.000 claims 7
- 239000008280 blood Substances 0.000 abstract description 10
- 210000004369 blood Anatomy 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model belongs to the technical field of medical instruments, in particular to an indwelling needle with a replaceable positive and negative pressure joint, which comprises an indwelling needle body, wherein the indwelling needle body is connected with one end of an extension tube, a flow stopping clamp is arranged on the extension tube, the other end of the extension tube is connected with a connecting seat A, an outer connecting tube, an inner connecting tube and a first sliding groove are arranged on the connecting seat A, the outer connecting tube and the inner connecting tube are respectively screwed with a positive pressure joint and an outer joint and an inner joint of a connecting seat B arranged on a negative pressure joint, and the positive pressure joint and the negative pressure joint can be subjected to mounting and dismounting replacement operation through the connecting type of the indwelling needle, so that two operations of blood drawing and transfusion on a patient can be conveniently met under one puncture, and pain of the patient can be increased if the blood drawing and transfusion operations are carried out on the patient in a way of two punctures independently.
Description
Technical Field
The utility model belongs to the technical field of medical instruments, and particularly relates to a retention needle with a replaceable positive and negative pressure joint.
Background
The indwelling needle is used for transfusion to reduce pain caused by repeated puncture, and is convenient for clinical medication, critical patients need to be rescued and used for medication, at present, when the patient is in a hospital, partial patients need to check blood first and then use the indwelling needle for transfusion treatment, but as the joint adopted by blood drawing is a negative pressure joint and the joint adopted by transfusion is a positive pressure joint, the blood drawing and puncture transfusion need to be carried out separately, and only in this way, the pain caused by the two punctures to the patient can be increased.
Disclosure of Invention
In view of the above problems, an object of the present utility model is to: provides an indwelling needle with a replaceable positive-negative pressure joint, which solves the problem that two punctures are needed for blood drawing and transfusion.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a removable positive negative pressure connects's needle of keeping somewhere, includes the needle body of keeping somewhere, keep somewhere that the needle body links to each other with extension pipe one end, be provided with the end of flow clamp on the extension pipe, the extension pipe other end links to each other with connecting seat A, be provided with takeover, inscription pipe and spout one on the connecting seat A, takeover and inscription pipe are with positive pressure respectively, negative pressure joint on the outer interface and inscription pipe of connecting seat B that set up soon mutually.
The beneficial effects of the utility model are as follows: through the utility model discloses connect the type and can install and remove the change operation to malleation joint and negative pressure joint, can be convenient for can be under a puncture, satisfy simultaneously to the two kinds of operations of patient's blood drawing and infusion, avoid if adopt the mode of twice puncture alone, draw blood and infusion operation for the patient, then can increase patient's misery.
In order to facilitate the screwing connection with the external interface and the internal interface arranged on the connecting seat B:
as a further improvement of the above technical scheme: the external connection pipe and the internal connection pipe are arranged on the side wall of the other end of the connecting seat A far away from the connecting end of the extension pipe, and the external connection pipe is positioned on the outer ring of the internal connection pipe.
The beneficial effects of this improvement are: the external connection pipe and the internal connection pipe are arranged, so that the external connection pipe and the internal connection pipe can be conveniently connected with an external interface and an internal interface arranged on the connecting seat B in a screwing way.
In order to facilitate increasing the tightness of the connection base a with the connection base B:
as a further improvement of the above technical scheme: the arrangement positions of the outer connector and the inner connector on the connecting seat B are the same as the arrangement positions of the outer connector and the inner connector on the connecting seat A, the outer connector is screwed with the top wall and the bottom wall of the outer connector through the outer wall and the inner wall of the outer connector, and the inner connector is screwed with the top wall of the inner connector through the outer wall and the inner wall of the inner connector.
The beneficial effects of this improvement are: the external connection pipe is screwed with the threads of the top wall and the bottom wall of the external connection port through the threads of the outer wall and the inner wall of the external connection pipe, and the internal connection pipe is screwed with the threads of the top wall of the internal connection port through the threads of the outer wall of the internal connection pipe, so that the connection tightness of the connection base A and the connection base B can be conveniently increased.
In order to increase the tightness of the connection:
as a further improvement of the above technical scheme: and a sealing rubber ring is arranged at the inner end of the outer connector.
The beneficial effects of this improvement are: the sealing rubber ring at the inner end of the outer connector can be convenient to increase the sealing performance of connection, so that the liquid is effectively prevented from seeping outwards.
In order to facilitate the movement adjustment of the mounting seat use position:
as a further improvement of the above technical scheme: the first sliding groove is arranged on the outer wall of the connecting seat A near the arrangement end of the outer connecting pipe and the inner connecting pipe, and the first sliding groove is internally provided with a mounting seat and is in sliding connection with the mounting seat.
The beneficial effects of this improvement are: the installation seat is arranged in the first sliding groove and is in sliding connection with the first sliding groove, so that the use position of the installation seat can be conveniently moved and adjusted.
To facilitate the movement adjustment of the position of use of the fastener a:
as a further improvement of the above technical scheme: the mounting seat is provided with a sliding block, and the sliding block is positioned in a second sliding groove transversely formed in the bottom end of the fastener A and is in sliding connection with the second sliding groove.
The beneficial effects of this improvement are: the sliding block arranged on the mounting seat is in sliding connection with the second sliding groove at the bottom end of the fastener A, so that the use position of the fastener A can be conveniently moved and adjusted.
In order to further increase the stability of the connection base a with the connection base B:
as a further improvement of the above technical scheme: the outer wall of the connecting seat B, which is close to the outer interface and is provided with the inner interface, is provided with a fastener B, and the fastener B is in buckling connection with the fastener A.
The beneficial effects of this improvement are: after the connecting seat A and the connecting seat B are connected with the external connector through the external connecting pipe and the internal connecting pipe, the mounting seat is only required to be moved firstly, the fastener A is enabled to be opposite to the fastener B left and right, then the fastener A is transversely moved towards the direction of the fastener B, the fastener A is enabled to be buckled with the fastener B, and the connection stability of the connecting seat A and the connecting seat B can be further improved.
To facilitate the clamping of the extension tube:
as a further improvement of the above technical scheme: the flow stopping clamp is arranged at the outer end of the extension tube.
The beneficial effects of this improvement are: by setting up the flow stop clamp, the clamping operation of the extension tube can be conveniently carried out when the positive pressure joint or the negative pressure joint is replaced.
Drawings
FIG. 1 is a schematic view of a positive pressure connector according to the present utility model in a mounted and in-use configuration;
FIG. 2 is a schematic view of a negative pressure joint splitting structure of the present utility model;
FIG. 3 is a side cross-sectional view of the connecting base A and the connecting base B according to the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 1A in accordance with the present utility model;
FIG. 5 is an enlarged view of a portion of FIG. 2B in accordance with the present utility model;
FIG. 6 is an enlarged view of a portion of FIG. 3C in accordance with the present utility model;
in the figure: 1. a retention needle body; 2. an extension tube; 3. a flow stop clip; 4. a connecting seat A; 5. an outer connecting pipe; 6. an inner connecting pipe; 7. a first chute; 8. a positive pressure joint; 9. a negative pressure joint; 10. a connecting seat B; 11. an external interface; 12. an internal interface; 13. sealing rubber rings; 14. a mounting base; 15. a slide block; 16. a fastener A; 17. a second chute; 18. and a fastener B.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.
As shown in fig. 1-6, an indwelling needle with a replaceable positive-negative pressure joint comprises an indwelling needle body 1, the indwelling needle body 1 is connected with one end of an extension tube 2, a flow stopping clamp 3 is arranged on the extension tube 2, the other end of the extension tube 2 is connected with a connecting seat A4, an external connecting tube 5, an internal connecting tube 6 and a chute I7 are arranged on the connecting seat A4, the external connecting tube 5 and the internal connecting tube 6 are respectively screwed with an external interface 11 and an internal interface 12 of a connecting seat B10 arranged on a positive-pressure joint 8 and a negative-pressure joint 9, the operation of dismounting and replacing the positive-pressure joint 8 and the negative-pressure joint 9 can be conveniently carried out under one puncture, two operations of blood drawing and transfusion to a patient can be satisfied simultaneously, pain of the patient can be increased if the blood drawing and transfusion operation is carried out to the patient by adopting a mode of two punctures independently, the external connection pipe 5 and the internal connection pipe 6 are arranged on the side wall of the other end of the connecting seat A4 far away from the connecting end of the extension pipe 2, the external connection pipe 5 is positioned on the outer ring of the internal connection pipe 6, the external connection pipe 5 and the internal connection pipe 6 can be conveniently connected with the external connection port 11 and the internal connection port 12 arranged on the connecting seat B10 in a screwing way through the arrangement of the external connection pipe 5 and the internal connection pipe 6, the arrangement positions of the external connection port 11 and the internal connection port 12 on the connecting seat B10 are the same as the arrangement positions of the external connection pipe 5 and the internal connection pipe 6 on the connecting seat A4, the external connection pipe 5 is connected with the top wall and the bottom wall of the external connection port 11 in a screwing way through the outer wall and the inner wall of the internal connection pipe 6, the external connection pipe 5 is connected with the top wall and the top wall of the external connection port 11 in a screwing way through the outer wall and the inner wall of the external connection pipe 5 is connected with the top wall of the internal connection port 12 in a screwing way through the outer wall and the inner wall of the internal connection pipe 6, the tightness of the connection seat A4 and the connection of the connecting seat B10 can be conveniently increased, the inner end of the outer connector 11 is provided with the sealing rubber ring 13, the sealing rubber ring 13 is arranged at the inner end of the outer connector 11, the connection tightness can be conveniently increased, thereby the liquid is effectively prevented from seeping outwards, the first chute 7 is arranged on the outer wall of the connecting seat A4 close to the end where the outer connector 5 and the inner connector 6 are arranged, the first chute 7 is provided with the mounting seat 14 and is in sliding connection with the mounting seat 14, the mounting seat 14 is arranged in the first chute 7 and is in sliding connection with the first chute 7, the mounting seat 14 can be conveniently moved and adjusted in the using position, the mounting seat 14 is provided with the sliding block 15, the sliding block 15 is arranged in the second chute 17 which is transversely arranged at the bottom end of the fastener A16, the sliding block 15 which is arranged on the mounting seat 14 is in sliding connection with the second chute 17 which is arranged at the bottom end of the fastener A16, the use position of the fastener A16 can be conveniently moved and adjusted, the mounting seat B18 is arranged on the outer wall close to the outer connector 11 and the inner connector 12, the fastening seat B18 is arranged in sliding connection with the fastener A16, the fastening seat A16 is in sliding connection with the first chute 7, the sliding connection with the fastener A4 is in the sliding connection with the second chute 17, the sliding connection with the sliding seat B16 is arranged in the sliding connection with the second chute 17, the sliding seat 3 is arranged in the sliding connection with the sliding seat 3, the sliding connection with the sliding seat 3 is arranged in the sliding connection joint C17, the sliding connection joint C16 is further arranged in the sliding connection with the sliding joint C17, the sliding joint C17 to the sliding joint C17 with the sliding joint C16B 16, the sliding joint C16 and the sliding joint C5, the sliding joint C3 is arranged 3 and the sliding joint C is connected with the inner connector 5 and the inner connector C16 and the inner connector 5.
The working principle of the utility model is as follows: when the outer connecting pipe 5 is screwed with the top wall and the bottom wall of the outer connector 11 through the outer wall and the inner wall of the outer connecting pipe 6 and the top wall of the inner connecting pipe 12 through the outer wall and the inner wall of the inner connecting pipe, the mounting seat 14 can be moved firstly to enable the fastener A16 to be opposite to the fastener B18 left and right, then the fastener A16 is transversely moved towards the fastener B18, the fastener A16 is buckled and connected with the fastener B18, the connecting seat A4 and the connecting seat B10 can be further connected and fixed, so that the stability of the installation and use process of the positive pressure connector 8 or the negative pressure connector 9 is improved, the disassembly and replacement operation of the positive pressure connector 8 or the negative pressure connector 9 can be carried out through the reverse operation in the same way, the connection tightness can be conveniently increased through the establishment of the inner sealing rubber ring 13 of the outer connector 11, the outward seepage of liquid can be effectively prevented, and the extension pipe 2 can be conveniently clamped and closed when the positive pressure connector 8 or the negative pressure connector 9 is replaced through the establishment of the flow stop clamp 3.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the utility model, and it is noted that there is virtually no limit to the specific structure which may be imposed by those skilled in the art without departing from the spirit of the utility model, and that modifications, adaptations, or variations of the foregoing features may be combined in a suitable manner; such modifications, variations and combinations, or direct application of the concepts and aspects of the utility model in other applications without modification, are contemplated as falling within the scope of the utility model.
Claims (8)
1. The utility model provides a removable positive negative pressure connects's needle of keeping somewhere, includes needle body (1) of keeping somewhere, needle body (1) link to each other with extension pipe (2) one end, be provided with on extension pipe (2) and flow stopping clamp (3), its characterized in that: the extension pipe (2) other end links to each other with connecting seat A (4), be provided with outer takeover (5), inscription pipe (6) and spout one (7) on connecting seat A (4), outer joint (11) and inscription pipe (6) are with positive pressure joint (8), respectively on negative pressure joint (9) set up connecting seat B (10) outer joint (11) and inscription (12) mutually revolve.
2. The interchangeable positive and negative pressure coupling retention needle of claim 1 wherein: the external connection pipe (5) and the internal connection pipe (6) are arranged on the side wall of the other end of the connecting seat A (4) far away from the connecting end of the extension pipe (2), and the external connection pipe (5) is positioned on the outer ring of the internal connection pipe (6).
3. The interchangeable positive and negative pressure coupling retention needle of claim 1 wherein: the arrangement positions of the outer interface (11) and the inner interface (12) on the connecting seat B (10) are the same as the arrangement positions of the outer connecting tube (5) and the inner connecting tube (6) on the connecting seat A (4), the outer connecting tube (5) is screwed with the top wall and the bottom wall of the outer interface (11) through the outer wall and the inner wall threads of the outer connecting tube, and the inner connecting tube (6) is screwed with the top wall threads of the inner connecting tube (12) through the outer wall threads of the inner connecting tube.
4. The interchangeable positive and negative pressure coupling retention needle of claim 1 wherein: the inner end of the outer interface (11) is provided with a sealing rubber ring (13).
5. The interchangeable positive and negative pressure coupling retention needle of claim 1 wherein: the first sliding chute (7) is arranged on the outer wall of the connecting seat A (4) close to the arrangement end of the outer tube (5) and the inner tube (6), and the first sliding chute (7) is internally provided with a mounting seat (14) and is in sliding connection with the mounting seat (14).
6. The interchangeable positive and negative pressure coupling retention needle of claim 5 wherein: the mounting seat (14) is provided with a sliding block (15), and the sliding block (15) is positioned in a second sliding groove (17) transversely arranged at the bottom end of the fastener A (16) and is in sliding connection with the second sliding groove (17).
7. The interchangeable positive and negative pressure coupling retention needle of claim 1 wherein: the connecting seat B (10) is provided with a fastener B (18) near the outer interface (11) and the outer wall of the installation end of the inner interface (12), and the fastener B (18) is in buckling connection with the fastener A (16).
8. The interchangeable positive and negative pressure coupling retention needle of claim 1 wherein: the flow stopping clamp (3) is arranged at the outer end of the extension tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100586.XU CN220424297U (en) | 2023-05-09 | 2023-05-09 | Remaining needle with replaceable positive and negative pressure connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100586.XU CN220424297U (en) | 2023-05-09 | 2023-05-09 | Remaining needle with replaceable positive and negative pressure connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220424297U true CN220424297U (en) | 2024-02-02 |
Family
ID=89701138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321100586.XU Active CN220424297U (en) | 2023-05-09 | 2023-05-09 | Remaining needle with replaceable positive and negative pressure connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220424297U (en) |
-
2023
- 2023-05-09 CN CN202321100586.XU patent/CN220424297U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |