CN209301893U - Remaining needle with multi-functional capsule structure - Google Patents
Remaining needle with multi-functional capsule structure Download PDFInfo
- Publication number
- CN209301893U CN209301893U CN201821498806.8U CN201821498806U CN209301893U CN 209301893 U CN209301893 U CN 209301893U CN 201821498806 U CN201821498806 U CN 201821498806U CN 209301893 U CN209301893 U CN 209301893U
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- CN
- China
- Prior art keywords
- capsule
- connecting leg
- upper cover
- lower cover
- remaining needle
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- 239000002775 capsule Substances 0.000 title claims abstract description 166
- 239000002184 metal Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 239000008280 blood Substances 0.000 description 14
- 210000004369 blood Anatomy 0.000 description 14
- 238000001802 infusion Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 208000007536 Thrombosis Diseases 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 206010015866 Extravasation Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000036251 extravasation Effects 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the field of medical instrument technology, puncture failure and the remaining needle with multi-functional capsule structure of plugging when specifically one kind effectively can avoid remaining needle from using, it is characterized in that connecting leg is equipped with capsule mechanism, the connecting leg is made of the first connecting leg and the second connecting leg, and capsule mechanism is arranged between the first connecting leg and the second connecting leg;The capsule mechanism is equipped with capsule body, capsule upper cover, capsule lower cover, wherein capsule upper cover and capsule lower cover are separately fixed at the both ends of capsule body, the center of capsule upper cover and capsule lower cover opens up through-hole, first connecting leg and the second connecting leg are connected to the inner cavity of capsule body, lid is equipped with the fastening mechanism matched under capsule upper cover and capsule, capsule body is compressed when capsule upper cover is connect with capsule lower cover through fastening mechanism, the utility model is compared with the existing technology, with structurally reasonable, it is easy to use, the significant advantage such as puncture failure and plugging when effectively remaining needle can be avoided to use.
Description
Technical field
The utility model relates to the field of medical instrument technology, when specifically one kind effectively can avoid remaining needle from using
Puncture failure and the remaining needle with multi-functional capsule structure of plugging.
Background technique
It is well known that remaining needle is a kind of medical instrument for being transfused medical fluid to patient, blood can be retained in by having
Conduit and needle core are pierced into blood vessel when use by the guiding puncture needle core of soft catheter or casing and stainless steel in pipe together
It is interior, after conduit fully enters blood vessel, needle core is withdrawn, only by soft catheter retaining in patient vessel, after the completion of infusion
Remaining needle casing can be retained in human body, can be to patient fluid infusion not need to puncture again when infusion next time.
Remaining needle is extensive in clinical application at present, can be effectively protected blood vessel using remaining needle, convenient for treatment and rescue, subtracts
Light workload of the nurse effectively reduces intravenous extravasation rate, but certain deficiency is still remained in, is especially embodied in and starts to be infused
When, many patients such as gerontal patient or blood viscousness patient, after needle tubing is punctured to blood vessel, medical staff obviously experiences and falls
Sky sense, but lose blood back, lead to puncture failure;Secondly after infusion, due to blood back, cause to block remaining needle relevant group
Part.
Summary of the invention
The utility model is directed to shortcoming and defect existing in the prior art, propose it is a kind of structurally reasonable, easy to use,
Puncture success rate can be effectively improved, and reduce blood back so avoid indwelling needle assembly be blocked have multi-functional capsule structure
Remaining needle.
The utility model can be achieved by the following measures:
A kind of remaining needle with multi-functional capsule structure, casing are connected to connecting leg front end through casing seat, it is characterised in that
Connecting leg is equipped with capsule mechanism, and the connecting leg is made of the first connecting leg and the second connecting leg, sets between the first connecting leg and the second connecting leg
Set capsule mechanism;The capsule mechanism is equipped with capsule body, capsule upper cover, capsule lower cover, wherein capsule upper cover and capsule lower cover
The both ends of capsule body are separately fixed at, capsule upper cover and the central of capsule lower cover open up through-hole, and the first connecting leg and second connect
The inner cavity of Guan Junyu capsule body is connected to, and lid is equipped with the fastening mechanism matched under capsule upper cover and capsule, capsule upper cover with
Capsule body is compressed when capsule lower cover is connected through fastening mechanism.
Fastening mechanism described in the utility model uses the snap device matched, the capsule upper cover (or capsule lower cover)
Outside is equipped with clamping groove, and capsule lower cover (or capsule upper cover) is equipped with the hook matched with clamping groove, the section of hook
In F type, top is eave tile, and middle part is equipped with the interconnecting piece for being connected with cover outer wall on capsule lower cover or capsule, and when use presses
Hook lower body is pressed, hook body front end eave tile tilts, and can complete hook and the disengaging of clamping groove and chimeric.
Hook described in the utility model selects laminar plastic sheet or sheet metal to be made, and the clamping for being preferably provided with annular is recessed
Slot, clamping groove section are V-shaped.
The both ends of capsule body described in the utility model are connected with the inside of the inside of capsule upper cover, capsule lower cover respectively
It connects, in order to improve stability maintenance, the inside of capsule upper cover and the inner central position of capsule lower cover are equipped with and are connected with through-hole
Inner fovea part, inner fovea part is for limiting capsule body end positions.
The other end jointing of first connecting leg described in the utility model, after the other end connector sleeve tube socket of the second connecting leg
End is equipped with the connecting leg connector being connected with through-hole in the center of top of capsule upper cover to improve connecting leg connective stability,
The bottom center of capsule lower cover is equipped with the connecting leg connector being connected with through-hole.
The utility model is equipped with plug wire, and plug wire realizes that the front end of plug wire is fixed using medical metal wire or medical plastic silk
On capsule on lid, cross supporting frame is equipped in capsule upper cover center through hole, plug wire front end is connected with cross supporting frame, and
After extending into capsule body, casing seat is extended to along the second connecting leg, when in use, when infusion completion, compresses capsule body, and pass through
The fastening mechanism matched on lid under capsule upper cover and capsule fastens capsule mechanism, and plug wire extends further into casing seat front end
In casing, to effectively prevent blood back condensation blocking casing.
When the utility model starts infusion, negative pressure is formed in such a way that side squeezes capsule, blood passes through suction function
It flows back into remaining needle, puncture success rate can be greatly improved;Capsule upper cover is squeezed after the completion of infusion up to cover latch under capsule
Capsule upper cover is blocked, capsule makes capsule inner cavity liquid flow forward to human body to shape due to being squeezed effect in the process
At a positive pressure, blood accumulation can be effectively prevented in casing and form thrombus, lead to plugging, during locking with
The plug wire of capsule upper cover connection can be moved forward to reach again so as to blocking casing and be prevented in blood backflow to casing
Lead to the risk of plugging.
The utility model compared with the existing technology, have it is structurally reasonable, easy to use, effectively remaining needle can be avoided to use
When the significant advantage such as puncture failure and plugging.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of the utility model.
Attached drawing 2 is the utility model capsule body compression schematic diagram when puncturing blood back.
Attached drawing 3 is the utility model capsule body compression schematic diagram after the completion of infusion.
Attached drawing 4 is capsule structure tightening state schematic diagram in the utility model.
Attached drawing 5 is stress diagram when snap device is opened in the utility model.
Attached drawing 6 is the bottom view of capsule upper cover in the utility model.
Appended drawing reference: capsule upper cover 2, capsule body 3, capsule lower cover 4, casing 6, plug wire 7, clamping groove 8
Hook 9, inner fovea part 10, connecting leg connector 11, cross supporting frame 12, transfusion liquid 13.
Specific embodiment:
The utility model will be further described below with reference to the accompanying drawings.
As shown in Fig. 1, the utility model proposes a kind of remaining needle with multi-functional capsule structure, casing 6 is through covering
Tube socket 5 is connected to 1 front end of connecting leg, it is characterised in that connecting leg 1 is equipped with capsule mechanism, and the connecting leg 1 is by the first connecting leg and second
Connecting leg composition, is arranged capsule mechanism between the first connecting leg and the second connecting leg;The capsule mechanism is equipped on capsule body 3, capsule
Lid 2, capsule lower cover 4, wherein capsule upper cover 2 and capsule lower cover 4 are separately fixed at the both ends of capsule body 3, capsule upper cover 2 and glue
The center of capsule lower cover 4 opens up through-hole, and the first connecting leg and the second connecting leg are connected to the inner cavity of capsule body 3,2 He of capsule upper cover
Capsule lower cover 4 is equipped with the fastening mechanism matched, capsule body 3 when capsule upper cover 2 is connect with capsule lower cover 4 through fastening mechanism
It is compressed.
As shown in Fig. 2, fastening mechanism described in the utility model is using the snap device matched, the capsule upper cover 2
The outside of (or capsule lower cover 4) is equipped with clamping groove 8, capsule lower cover 4(or capsule upper cover 2) it is equipped with and the matching of clamping groove 8
The hook 9 of conjunction.
Fastening mechanism described in the utility model is using the snap device matched, the capsule upper cover 2(or capsule lower cover 4)
Outside be equipped with clamping groove 8, capsule lower cover 4(or capsule upper cover 2) be equipped with the hook 9 that matches with clamping groove 8, hook
9 section is in F type, and top is eave tile, and middle part is equipped with the interconnecting piece for being connected with cover outer wall on capsule lower cover or capsule, makes
Used time presses hook lower body, and hook body front end eave tile tilts, and can complete the disengaging of hook 9 and clamping groove 8 and embedding
It closes.
Hook 9 described in the utility model selects laminar plastic sheet or sheet metal to be made, and is preferably provided with the clamping of annular
Groove, clamping groove section are V-shaped.
As shown in attached drawing 2, attached drawing 3 and attached drawing 4, the both ends of capsule body 3 described in the utility model respectively with capsule upper cover 2
Inside, capsule lower cover 4 inside be connected, in order to improve stability maintenance, the inside of capsule upper cover 2 and capsule lower cover 4
Inner central position is equipped with the inner fovea part 10 being connected with through-hole, and inner fovea part 10 is for limiting capsule body end positions.
The other end jointing of first connecting leg described in the utility model, the other end connector sleeve tube socket of the second connecting leg are
Raising connecting leg connective stability is equipped with the connecting leg connector 11 being connected with through-hole in the center of top of capsule upper cover 2, in glue
The bottom center of capsule lower cover 4 is equipped with the connecting leg connector 11 being connected with through-hole.
The utility model is equipped with plug wire 7, and plug wire 7 is realized using medical metal wire or medical plastic silk, and the front end of plug wire 7 is solid
It is scheduled on capsule on lid, cross supporting frame 12 is equipped in capsule upper cover center through hole, 7 front end of plug wire is connected with cross supporting frame 12
It connects, and after extending into capsule body 3, extends to casing seat 5 along the second connecting leg, when in use, when infusion completion, compress capsule master
Body 3, and the fastening mechanism by matching in capsule upper cover 2 and capsule lower cover 4 fastens capsule mechanism, plug wire extends further into
In the casing of casing seat front end, to effectively prevent blood back condensation blocking casing.
When the utility model starts infusion, negative pressure is formed in such a way that side squeezes capsule, blood passes through suction function
It flows back into remaining needle, puncture success rate can be greatly improved;Capsule upper cover is squeezed after the completion of infusion up to cover latch under capsule
Capsule upper cover is blocked, capsule makes capsule inner cavity liquid flow forward to human body to shape due to being squeezed effect in the process
At a positive pressure, blood accumulation can be effectively prevented in casing and form thrombus, lead to plugging, during locking with
The plug wire of capsule upper cover connection can be moved forward to reach again so as to blocking casing and be prevented in blood backflow to casing
Lead to the risk of plugging.
The utility model compared with the existing technology, have it is structurally reasonable, easy to use, effectively remaining needle can be avoided to use
When the significant advantage such as puncture failure and plugging.
Claims (7)
1. a kind of remaining needle with multi-functional capsule structure, casing are connected to connecting leg front end through casing seat, it is characterised in that even
Pipe is equipped with capsule mechanism, and the connecting leg is made of the first connecting leg and the second connecting leg, is arranged between the first connecting leg and the second connecting leg
Capsule mechanism;The capsule mechanism is equipped with capsule body, capsule upper cover, capsule lower cover, wherein capsule upper cover and capsule lower cover point
It is not fixed on the both ends of capsule body, capsule upper cover and the central of capsule lower cover open up through-hole, the first connecting leg and the second connecting leg
It is connected to the inner cavity of capsule body, lid is equipped with the fastening mechanism matched, capsule upper cover and glue under capsule upper cover and capsule
Capsule body is compressed when capsule lower cover is connected through fastening mechanism.
2. a kind of remaining needle with multi-functional capsule structure according to claim 1, it is characterised in that the fastening machine
Structure is equipped with clamping groove, capsule lower cover/capsule using the snap device matched, the outside of the capsule upper cover/capsule lower cover
Upper lid is equipped with the hook matched with clamping groove.
3. a kind of remaining needle with multi-functional capsule structure according to claim 2, it is characterised in that the hook
Section is in F type, and top is eave tile, and middle part is equipped with the interconnecting piece for being connected with cover outer wall on capsule lower cover or capsule.
4. a kind of remaining needle with multi-functional capsule structure according to claim 3, it is characterised in that the hook choosing
It selects laminar plastic sheet or sheet metal is made, the clamping groove of annular is set, clamping groove section is V-shaped.
5. a kind of remaining needle with multi-functional capsule structure according to claim 1, it is characterised in that the capsule master
The both ends of body are connected on the inside of the inside of capsule upper cover, capsule lower cover respectively, the inside of capsule upper cover and capsule lower cover
Inner central position is equipped with the inner fovea part being connected with through-hole, and inner fovea part is for limiting capsule body end positions.
6. a kind of remaining needle with multi-functional capsule structure according to claim 1, it is characterised in that described first connects
The other end jointing of pipe, the other end connecting sleeve base rear end of the second connecting leg, in order to improve connecting leg connective stability, in glue
The center of top of capsule upper cover is equipped with the connecting leg connector being connected with through-hole, is equipped with and through-hole phase in the bottom center of capsule lower cover
The connecting leg connector of connection.
7. a kind of remaining needle with multi-functional capsule structure according to claim 1, it is characterised in that be equipped with plug wire, block up
Silk realizes that the front end of plug wire is fixed on capsule on lid, capsule upper cover center through hole using medical metal wire or medical plastic silk
Interior to be equipped with cross supporting frame, plug wire front end is connected with cross supporting frame, and after extending into capsule body, stretches along the second connecting leg
To casing seat.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821498806.8U CN209301893U (en) | 2018-09-13 | 2018-09-13 | Remaining needle with multi-functional capsule structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821498806.8U CN209301893U (en) | 2018-09-13 | 2018-09-13 | Remaining needle with multi-functional capsule structure |
Publications (1)
Publication Number | Publication Date |
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CN209301893U true CN209301893U (en) | 2019-08-27 |
Family
ID=67669900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821498806.8U Active CN209301893U (en) | 2018-09-13 | 2018-09-13 | Remaining needle with multi-functional capsule structure |
Country Status (1)
Country | Link |
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CN (1) | CN209301893U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023280281A1 (en) * | 2021-07-07 | 2023-01-12 | 厦门大学附属第一医院 | Disposable indwelling needle flushing capsule |
-
2018
- 2018-09-13 CN CN201821498806.8U patent/CN209301893U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023280281A1 (en) * | 2021-07-07 | 2023-01-12 | 厦门大学附属第一医院 | Disposable indwelling needle flushing capsule |
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