CN206964846U - A kind of type self-destroyed intra arterial injection remaining needle - Google Patents
A kind of type self-destroyed intra arterial injection remaining needle Download PDFInfo
- Publication number
- CN206964846U CN206964846U CN201720119555.7U CN201720119555U CN206964846U CN 206964846 U CN206964846 U CN 206964846U CN 201720119555 U CN201720119555 U CN 201720119555U CN 206964846 U CN206964846 U CN 206964846U
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- China
- Prior art keywords
- flexible tube
- tube base
- destroyed
- type self
- remaining needle
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- 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.)
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Abstract
It the utility model is related to a kind of medical apparatus, interlinked more particularly to a kind of type self-destroyed intra arterial injection remaining needle, including indwelling flexible pipe, flexible tube base and valve for preventing reverse-flow composition, described indwelling flexible pipe with flexible tube base bottom, described valve for preventing reverse-flow is installed in flexible tube base, it is characterised in that：Described flexible tube base lower end offers V-type folding groove on along the circumferential direction, described folding groove is located at the top of indwelling flexible pipe liquid feeding end, and the vertical range of described folding trench bottom to flexible tube base inwall is 0.3~0.5mm.The utility model adds type self-destroyed structure design, reaches disposable purpose, in addition further through the transformation to valve for preventing reverse-flow in flexible tube base, makes it have more preferable operability and sealing.
Description
Technical field
It the utility model is related to a kind of medical apparatus, and in particular to a kind of type self-destroyed intra arterial injection remaining needle.
Background technology
Intra arterial injection is medical syringe needle to be penetrated in arterial a kind of medical procedure that blood or decoction are inputted to patient, is
It is easy to repeat administration or changes other medicines, needle of retaining on artery is generally clinically placed in arteries using puncture means
It is interior.Existing artery remaining operation is used cooperatively by puncture needle component and indwelling needle assembly, and puncture needle component is by puncture needle and pin
Seat composition, puncture needle is common stainless steel needle tubing, and harder, front end is needle point, is easy to puncture, and needle stand is located at stainless steel needle tubing tail
End；Indwelling needle assembly is made up of indwelling flexible pipe, flexible tube base and valve for preventing reverse-flow, and indwelling flexible pipe is lucite pipe, softer, be adapted to compared with
Long-time indwelling is in arteries.
In recent years in order to control iatrogenic infectious disease, the adverse consequences such as cross-infection are avoided, generally use disposable nothing
Bacterium syringe.Type self-destroyed structure is developed for the syringe of many types, but for intra arterial injection indwelling needle assembly, also
It is still reusable there is being remained intact after without exploitation design accordingly, easily utilized, will used by criminal
The reject product crossed is not sterilized and reuses, and this easily causes the propagation and cross-infection of virus, and there is larger doctor
Treat risk and social harm.
Utility model content
According to above the deficiencies in the prior art, the utility model provides a kind of type self-destroyed intra arterial injection remaining needle, adds certainly
Formula structure design is ruined, reaches disposable purpose, in addition further through the transformation to valve for preventing reverse-flow in flexible tube base, makes it
With more preferable operability and sealing.
A kind of type self-destroyed intra arterial injection remaining needle described in the utility model, including indwelling flexible pipe, flexible tube base and counterflow-preventing
Valve group is into described indwelling flexible pipe is interlinked with flexible tube base bottom, and described valve for preventing reverse-flow is installed in flexible tube base, and its feature exists
In：Described flexible tube base lower end offers V-type folding groove on along the circumferential direction, described folding groove is located at the upper of indwelling flexible pipe liquid feeding end
Side, the vertical range of described folding trench bottom to flexible tube base inwall is 0.3~0.5mm.
Remaining needle of the present utility model is disconnected with flexible tube base is broken at the opposite folding groove of hand after use terminates, and it is not answered
Original, reach disposable purpose.
Wherein, preferred scheme is as follows：
The described flexible tube base outer wall below folding groove is provided with some annular protrusions on along the circumferential direction.Convex annular
Bar can increase the frictional force between hand and flexible tube base, conveniently be broken disconnected.
Described valve for preventing reverse-flow includes spring, plug and support member successively from bottom to top, the fixing end of described spring with
Flexible tube base inwall is connected, and movable end is connected with plug, and described support member has the opening of up/down perforation and bottom opening is with blocking up
Head offsets.Existing valve for preventing reverse-flow is silica gel valve, i.e., is machined with silica gel in asterism or criss-cross otch, otch
Silica gel is divided into 3~4 flaps, flap can open when puncturing or injecting, and when extracting puncture needle or injection needle, flap exists
The effect of elasticity tension itself is lower to be closed, and blocks blood outflow.Following technological deficiency when in use be present in such a valve for preventing reverse-flow：When
The otch of silica gel valve is in reset or puncture, because flap is flexible, easily causes to misplace in incision, does not have close
The effect of envelope；Two be due to that arterial blood pressure has pressure oscillation, it is easy to makes flap outwardly, sprays blood, inversely
Poor sealing performance, unreliable, blood overflow can cause blood pollution outside.Replaced by using the structure type of spring plus plug
It is more stable during use for traditional silica gel valve valve for preventing reverse-flow, be not in dislocation, sealing effectiveness is more preferable.
In use, opening plug by support member top when puncture needle or injection needle, work is punctured and is injected, when exiting, plug exists
Reset under the elastic reaction of spring and offseted with support member bottom opening, have the function that sealing.
Finite place piece is set on the described flexible tube base inwall both sides positioned in plug scope of activities, on described locating part
Chute is offered, described plug both sides are provided with the protuberance being adapted with chute.Locating part ensure that plug in activity
In journey will not sideslip, avoid plug with being misplaced at support member bottom opening.
The inwall of described flexible tube base is sequentially provided with stage and locating slot, the both upper ends thereof of described support member from top to bottom
Provided with upper end base and it is stuck in stage, bottom both ends are provided with lower end seat and are stuck in locating slot.
Described indwelling flexible pipe is made by PVC material.
Described plug is made by rigid plastics.It will not be influenceed by arterial pressure fluctuation, it is ensured that reverse
Sealing property, it will not be polluted blood caused by blood overflow outside.
Beneficial effect is possessed by the utility model：(1) by rolling over groove, realize remaining needle after use terminates to flexible pipe
Seat is broken breakdown and ruined, and it is not restored, reaches disposable purpose, prevent medical-risk.(2) add by using spring stifled
The structure type of head instead of traditional silica gel valve valve for preventing reverse-flow, more stable during use, be not in dislocation, close
It is more preferable to seal effect.(2) plug is made using rigid plastics, will not be influenceed by arterial pressure fluctuation, it is ensured that inverse
To sealing property, will not be polluted blood caused by blood overflow outside.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure：1st, indwelling flexible pipe 2, flexible tube base 3, folding groove 4 projection 5, spring 6, plug 7, support member 8, locating part
9th, stage 10, locating slot 11, upper end base 12, lower end seat.
Embodiment
The utility model is described further with accompanying drawing with reference to embodiments.
Embodiment 1：
As shown in figure 1, a kind of type self-destroyed intra arterial injection remaining needle, including indwelling flexible pipe 1, flexible tube base 2 and counterflow-preventing valve group
Into described indwelling flexible pipe 1 is interlinked with the bottom of flexible tube base 2, and described valve for preventing reverse-flow is installed in flexible tube base 2, and described is soft
The lower end of base 2 offers V-type folding groove 3 on along the circumferential direction, described folding groove 3 is located at the top of the liquid feeding end of indwelling flexible pipe 1, described
The folding bottom of groove 3 to the vertical range of the inwall of flexible tube base 2 be 0.5mm.After use terminates, rolled over flexible pipe with hand is opposite at groove 3
Seat 2 is broken disconnected, it is not restored, reaches disposable purpose.
The described outer wall of flexible tube base 2 positioned at the lower section of folding groove 3 is provided with 3 annular protrusions 4 on along the circumferential direction.
Described valve for preventing reverse-flow includes spring 5, plug 6 and support member 7, the fixation of described spring 5 successively from bottom to top
End is connected with the inwall of flexible tube base 2, and movable end is connected with plug 6, and described support member 7 has the opening of up/down perforation and bottom is opened
Mouth offsets with plug 6.When in use, puncture needle or plug 6 is opened by the top of support member 7 during injection needle, punctured and injected
Work, when exiting, plug 6 resets under the elastic reaction of spring 5 and offseted with the bottom opening of support member 7, reaches the work of sealing
With.
Described sets finite place piece 8 on the inwall both sides of flexible tube base 2 in the scope of activities of plug 6, and described is spacing
Chute is offered on part 8, the described both sides of plug 6 are provided with the protuberance being adapted with chute.Locating part 8 ensure that plug 6
In active procedure will not sideslip, avoid plug 6 with being misplaced at the bottom opening of support member 7.
The inwall of described flexible tube base 2 is sequentially provided with stage 9 and locating slot 10 from top to bottom, described support member 7 it is upper
Portion both ends are provided with upper end base 11 and are stuck in stage 7, and bottom both ends are provided with lower end seat 12 and are stuck in locating slot 10.
Described indwelling flexible pipe 1 is made by PVC material.
Described plug 6 is made by rigid plastics.
Claims (7)
1. a kind of type self-destroyed intra arterial injection remaining needle, including indwelling flexible pipe, flexible tube base and valve for preventing reverse-flow composition, described indwelling are soft
Pipe is interlinked with flexible tube base bottom, and described valve for preventing reverse-flow is installed in flexible tube base, it is characterised in that：Described flexible tube base lower end
V-type folding groove is offered on along the circumferential direction, described folding groove is located at the top of indwelling flexible pipe liquid feeding end, and described folding trench bottom is extremely
The vertical range of flexible tube base inwall is 0.3~0.5mm.
A kind of 2. type self-destroyed intra arterial injection remaining needle according to claim 1, it is characterised in that：Described is located under folding groove
The flexible tube base outer wall of side is provided with some annular protrusions on along the circumferential direction.
A kind of 3. type self-destroyed intra arterial injection remaining needle according to claim 1, it is characterised in that：Described valve for preventing reverse-flow by
Lower to include spring, plug and support member successively upwards, the fixing end of described spring is connected with flexible tube base inwall, and movable end is with blocking up
Head is connected, and described support member has the opening of up/down perforation and bottom opening offsets with plug.
A kind of 4. type self-destroyed intra arterial injection remaining needle according to claim 3, it is characterised in that：Described lives positioned at plug
Finite place piece is set on flexible tube base inwall both sides in dynamic scope, chute, described plug two are offered on described locating part
Side is provided with the protuberance being adapted with chute.
A kind of 5. type self-destroyed intra arterial injection remaining needle according to claim 3, it is characterised in that：Described flexible tube base it is interior
Wall is sequentially provided with stage and locating slot from top to bottom, and the both upper ends thereof of described support member is provided with upper end base and is stuck in stage,
Bottom both ends are provided with lower end seat and are stuck in locating slot.
A kind of 6. type self-destroyed intra arterial injection remaining needle according to claim 1, it is characterised in that：Described indwelling flexible pipe by
PVC material is made.
A kind of 7. type self-destroyed intra arterial injection remaining needle according to claim 3, it is characterised in that：Described plug is by hard
Plastic production forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720119555.7U CN206964846U (en) | 2017-02-09 | 2017-02-09 | A kind of type self-destroyed intra arterial injection remaining needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720119555.7U CN206964846U (en) | 2017-02-09 | 2017-02-09 | A kind of type self-destroyed intra arterial injection remaining needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206964846U true CN206964846U (en) | 2018-02-06 |
Family
ID=61414048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720119555.7U Expired - Fee Related CN206964846U (en) | 2017-02-09 | 2017-02-09 | A kind of type self-destroyed intra arterial injection remaining needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206964846U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108324291A (en) * | 2018-03-24 | 2018-07-27 | 曹春荣 | Blood specimen collection valve for preventing reverse-flow device and blood taking needle |
| CN108568010A (en) * | 2018-04-28 | 2018-09-25 | 冯莞婷 | Remaining needle |
| CN109125853A (en) * | 2018-11-09 | 2019-01-04 | 苏州大学附属儿童医院 | It is a kind of can automatic rebounding remaining needle |
-
2017
- 2017-02-09 CN CN201720119555.7U patent/CN206964846U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108324291A (en) * | 2018-03-24 | 2018-07-27 | 曹春荣 | Blood specimen collection valve for preventing reverse-flow device and blood taking needle |
| CN108324291B (en) * | 2018-03-24 | 2023-12-22 | 曹春荣 | Blood sample collection anti-backflow valve device and blood taking needle |
| CN108568010A (en) * | 2018-04-28 | 2018-09-25 | 冯莞婷 | Remaining needle |
| CN109125853A (en) * | 2018-11-09 | 2019-01-04 | 苏州大学附属儿童医院 | It is a kind of can automatic rebounding remaining needle |
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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 |
Granted publication date: 20180206 Termination date: 20210209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |