CN214911607U - Anti-bending infusion joint - Google Patents
Anti-bending infusion joint Download PDFInfo
- Publication number
- CN214911607U CN214911607U CN202120082849.3U CN202120082849U CN214911607U CN 214911607 U CN214911607 U CN 214911607U CN 202120082849 U CN202120082849 U CN 202120082849U CN 214911607 U CN214911607 U CN 214911607U
- Authority
- CN
- China
- Prior art keywords
- shell
- fixedly connected
- connecting pipe
- puncture rod
- arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001802 infusion Methods 0.000 title claims abstract description 29
- 238000005452 bending Methods 0.000 title claims description 10
- 239000007788 liquid Substances 0.000 claims description 35
- 239000007787 solid Substances 0.000 claims description 10
- 239000000243 solution Substances 0.000 description 8
- 239000003814 drug Substances 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a prevent infusion joint that bends, including public type interface and female type interface, public type interface includes first shell, the one end middle part fixed connection puncture rod of first shell, the lower part lateral wall fixedly connected with flexure strip of puncture rod, the lower extreme of flexure strip and the one end fixed connection of first shell, female type interface includes the third shell, the inside of third shell is provided with the arc, the inside cavity setting of arc, one side of first shell is provided with the second shell, the inside of second shell is provided with the bellows, the one end of second shell slides and is provided with the push pedal, the lateral wall of second shell is provided with first opening, the marginal fixedly connected with push rod of push pedal, and the push rod is arranged in first opening. The utility model discloses in, be provided with flexure strip and arc, can avoid the puncture rod to buckle.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to prevent infusion joint that bends.
Background
The venous indwelling needle is also called as venous trocar. The core components include a flexible catheter/cannula that can be indwelling in a blood vessel, and a stainless steel puncture guiding stylet. When in use, the catheter and the needle core are punctured into a blood vessel together, after the catheter completely enters the blood vessel, the needle core is withdrawn, and only the soft catheter is left in the blood vessel so as to carry out infusion treatment.
When infusion is performed, an infusion connector is required to be connected with an indwelling needle. The puncture rod of the existing infusion joint is easy to break off in the using process. And after the transfusion is finished, the remaining liquid medicine in the indwelling needle tube can influence the next transfusion.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an anti-bending transfusion joint.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the anti-bending infusion connector comprises a male connector and a female connector, the male connector comprises a first shell, the middle of one end of the first shell is fixedly connected with a puncture rod, the side wall of the lower portion of the puncture rod is fixedly connected with an elastic sheet, the lower end of the elastic sheet is fixedly connected with one end of the first shell, the female connector comprises a third shell, an arc-shaped piece is arranged inside the third shell, and the interior of the arc-shaped piece is hollow;
one side of first shell is provided with the second shell, the inside of second shell is provided with the bellows, the one end of second shell slides and is provided with the push pedal, the lateral wall of second shell is provided with first opening, the marginal fixedly connected with push rod of push pedal, and the push rod is arranged in first opening, the other end of second shell is provided with the second connecting pipe, the one end and the bellows intercommunication of second connecting pipe.
As a further description of the above technical solution:
the other end of the second connecting pipe runs through to the inside of the first shell, and is fixedly connected with the lower end of the puncture rod, the upper side wall of the puncture rod is provided with a second liquid outlet, and the second connecting pipe is communicated with the second liquid outlet.
As a further description of the above technical solution:
the puncture rod is arranged on the first shell, a liquid inlet is formed in the lower end of the puncture rod, a first liquid outlet is formed in the side wall of the upper portion of the puncture rod, and the liquid inlet is communicated with the first liquid outlet.
As a further description of the above technical solution:
the filter screen is fixedly connected to the inner portion of the first shell and below the second connecting pipe, and the first connecting pipe is fixedly connected to the other end of the first shell.
As a further description of the above technical solution:
the upper end of first shell just rotates in the outside of puncture rod and is connected with the connection cap, the inner wall of connecting the cap is provided with the screw thread, the one end fixedly connected with linkage segment of third shell, the lateral wall of linkage segment is provided with the screw thread, connect cap and linkage segment cooperation.
As a further description of the above technical solution:
and the middle part of one end of the third shell is fixedly connected with a third connecting pipe.
As a further description of the above technical solution:
the inside of third shell and be provided with the sealed pad of second in the one end of arc spare, the inside of arc spare and be close to the sealed first sealed pad of fixedly connected with of second, the sealed middle part that fills up of first sealed pad and second all is provided with the second opening.
As a further description of the above technical solution:
the inside of third shell just is provided with solid fixed ring in the below of arc, gu fixed ring's lateral wall is provided with the screw thread, the inside lateral wall of third shell is provided with the screw thread, and with solid fixed ring cooperation, gu angles such as fixed ring's lower extreme are provided with a plurality of bayonets.
The utility model discloses following beneficial effect has:
1. the utility model discloses, be provided with flexure strip and arc, the flexure strip can support puncture rod, and the arc more makes things convenient for puncture rod to insert female type interface, but greatly reduced is by the risk of bending.
2. The utility model discloses, be provided with the bellows in one side of first shell, after the infusion, can pour into normal saline into in the third connecting tube, reduce this infusion to the influence of next infusion.
3. The utility model discloses, be provided with first sealed pad and the sealed pad of second in inside, can improve the leakproofness of female type interface.
Drawings
FIG. 1 is a schematic perspective view of an anti-bending infusion joint according to the present invention;
FIG. 2 is a schematic cross-sectional view of the male connector of the anti-bending infusion connector of the present invention;
FIG. 3 is a schematic sectional view of the female connector of the anti-bending infusion connector of the present invention;
fig. 4 is a schematic view of a second sealing gasket of the anti-bending infusion joint of the present invention.
Illustration of the drawings:
1. a male interface; 2. a female interface; 3. a first housing; 4. a first connecting pipe; 5. a second housing; 6. pushing the plate; 7. a bellows; 8. a first opening; 9. a filter screen; 10. a second connecting pipe; 11. a liquid inlet; 12. a puncture rod; 13. an elastic sheet; 14. a connecting cap; 15. a first liquid outlet; 16. a second liquid outlet; 17. a fixing ring; 18. a connecting section; 19. a third housing; 20. an arcuate member; 21. a first gasket; 22. a second gasket; 23. a third connecting pipe; 24. a second opening.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a bending-prevention infusion connector comprises a male connector 1 and a female connector 2, wherein the male connector 1 and the female connector 2 are matched with each other, the male connector 1 comprises a first shell 3, the middle part of one end of the first shell 3 is fixedly connected with a puncture rod 12, the lower side wall of the puncture rod 12 is fixedly connected with a plurality of elastic sheets 13, the lower end of each elastic sheet 13 is fixedly connected with one end of the first shell 3, each elastic sheet 13 is arc-shaped and is bent towards the puncture rod 12, the puncture rod 12 is supported by the elastic sheets 13 in all directions, the female connector 2 comprises a third shell 19, an arc-shaped piece 20 is arranged inside the third shell 19, the arc-shaped piece 20 is hollow, the specific shape can be matched with the lower end of the puncture rod 12 and the elastic sheets 13, the elastic sheets 13 can support the puncture rod 12, meanwhile, the arc-shaped piece 20 is arranged, and the insertion of the puncture rod 12 into the female connector 2 is more convenient, the risk of being bent can be greatly reduced.
One side of first shell 3 is provided with second shell 5, the inside of second shell 5 is provided with bellows 7, the one end of second shell 5 slides and is provided with push pedal 6, the lateral wall of second shell 5 is provided with first opening 8, the marginal fixedly connected with push pedal 6 push rod, and the push rod is arranged in first opening 8, the other end of second shell 5 is provided with second connecting pipe 10, the one end and the bellows 7 intercommunication of second connecting pipe 10, the storage has normal saline in the bellows 7, after the infusion finishes, still there is the liquid medicine in third connecting pipe 23, influence infusion next time, through push pedal 6 with in the bellows 7 normal saline propelling movement to third connecting pipe 23, avoid the influence of remaining liquid medicine to infusion next time.
The other end of the second connecting pipe 10 penetrates through the first shell 3, and is fixedly connected with the lower end of the puncture rod 12, the upper side wall of the puncture rod 12 is provided with a second liquid outlet 16, the second connecting pipe 10 is communicated with the second liquid outlet 16, the physiological saline is sent out from the second liquid outlet 16, the first shell 3 is provided with a liquid inlet 11 at the lower end of the puncture rod 12, the upper side wall of the puncture rod 12 is provided with a first liquid outlet 15, the liquid inlet 11 is communicated with the first liquid outlet 15, and the liquid medicine is sent out from the first liquid outlet 15 through the liquid inlet 11.
A filter screen 9 is fixedly connected in the first shell 3 below the second connecting pipe 10, the other end of the first shell 3 is fixedly connected with the first connecting pipe 4, the middle part of one end of the third shell 19 is fixedly connected with a third connecting pipe 23, and the other end of the third connecting pipe 23 is connected with a remaining needle.
The upper end of the first shell 3 is rotatably connected with a connecting cap 14 on the outer side of the puncture rod 12, the inner wall of the connecting cap 14 is provided with threads, one end of the third shell 19 is fixedly connected with a connecting section 18, the side wall of the connecting section 18 is provided with threads, and the connecting cap 14 is matched with the connecting section 18, so that the male connector 1 is fixedly connected with the female connector 2.
The inside of third shell 19 and be provided with the sealed 22 of second packing in the one end of arc 20, the inside of arc 20 and be close to the sealed 22 fixedly connected with first sealed 21 of packing of second, the middle part of the sealed 22 of first sealed 21 and second all is provided with second opening 24, the front end of puncture rod 12 passes second opening 24, and first liquid outlet 15 and second liquid outlet 16 also cross second opening 24, the sealed 22 setting of first sealed 21 and second of packing guarantees its leakproofness.
The working principle is as follows: the utility model discloses during the use, puncture rod 12 inserts female type interface 2, puncture rod 12's front end passes second opening 24, and first liquid outlet 15 and second liquid outlet 16 also cross second opening 24, and rotate connecting cap 14 and the 18 threaded connection of linkage segment, when infusing, the liquid medicine passes through first connecting pipe 4, inlet 11, first liquid outlet 15 gets into to third connecting pipe 23, after the infusion, push pedal 6 passes through second connecting pipe 10 with normal saline in bellows 7, 16 propelling movement of second liquid outlet are to third connecting pipe 23.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The anti-bending infusion connector is characterized by comprising a male connector (1) and a female connector (2), wherein the male connector (1) comprises a first shell (3), the middle of one end of the first shell (3) is fixedly connected with a puncture rod (12), the lower side wall of the puncture rod (12) is fixedly connected with an elastic sheet (13), the lower end of the elastic sheet (13) is fixedly connected with one end of the first shell (3), the female connector (2) comprises a third shell (19), an arc-shaped part (20) is arranged in the third shell (19), and the arc-shaped part (20) is arranged in a hollow manner;
one side of first shell (3) is provided with second shell (5), the inside of second shell (5) is provided with bellows (7), the one end of second shell (5) slides and is provided with push pedal (6), the lateral wall of second shell (5) is provided with first opening (8), the marginal fixedly connected with push rod of push pedal (6), and the push rod arranges first opening (8) in, the other end of second shell (5) is provided with second connecting pipe (10), the one end and bellows (7) the intercommunication of second connecting pipe (10).
2. The bend-resistant infusion connector of claim 1, wherein: the other end of the second connecting pipe (10) penetrates into the first shell (3) and is fixedly connected with the lower end of the puncture rod (12), a second liquid outlet (16) is formed in the side wall of the upper portion of the puncture rod (12), and the second connecting pipe (10) is communicated with the second liquid outlet (16).
3. The bend-resistant infusion connector of claim 1, wherein: the puncture needle is characterized in that a liquid inlet (11) is formed in the first shell (3) and at the lower end of the puncture rod (12), a first liquid outlet (15) is formed in the side wall of the upper portion of the puncture rod (12), and the liquid inlet (11) is communicated with the first liquid outlet (15).
4. The bend-resistant infusion connector of claim 1, wherein: the filter screen (9) is fixedly connected to the inner portion of the first shell (3) and below the second connecting pipe (10), and the first connecting pipe (4) is fixedly connected to the other end of the first shell (3).
5. The bend-resistant infusion connector of claim 1, wherein: the upper end of first shell (3) just rotates in the outside of puncture rod (12) and is connected with connecting cap (14), the inner wall of connecting cap (14) is provided with the screw thread, the one end fixedly connected with linkage segment (18) of third shell (19), the lateral wall of linkage segment (18) is provided with the screw thread, connect cap (14) and linkage segment (18) cooperation.
6. The bend-resistant infusion connector of claim 1, wherein: and the middle part of one end of the third shell (19) is fixedly connected with a third connecting pipe (23).
7. The bend-resistant infusion connector of claim 1, wherein: the inside of third shell (19) and be provided with the sealed pad (22) of second in the one end of arc piece (20), the inside of arc piece (20) and be close to the sealed first sealed pad (21) of the sealed pad (22) fixedly connected with of second, the middle part that the sealed pad (21) of first sealed pad (21) and second sealed pad (22) all is provided with second opening (24).
8. The bend-resistant infusion connector of claim 1, wherein: the inside of third shell (19) and be provided with solid fixed ring (17) in the below of arc (20), the lateral wall of solid fixed ring (17) is provided with the screw thread, the inside lateral wall of third shell (19) is provided with the screw thread, and with solid fixed ring (17) cooperation, the lower extreme of solid fixed ring (17) is isometric and is provided with a plurality of bayonets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120082849.3U CN214911607U (en) | 2021-01-12 | 2021-01-12 | Anti-bending infusion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120082849.3U CN214911607U (en) | 2021-01-12 | 2021-01-12 | Anti-bending infusion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214911607U true CN214911607U (en) | 2021-11-30 |
Family
ID=79121852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120082849.3U Expired - Fee Related CN214911607U (en) | 2021-01-12 | 2021-01-12 | Anti-bending infusion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214911607U (en) |
-
2021
- 2021-01-12 CN CN202120082849.3U patent/CN214911607U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |