CN207654483U - A kind of remaining needle of anti-blocking - Google Patents
A kind of remaining needle of anti-blocking Download PDFInfo
- Publication number
- CN207654483U CN207654483U CN201720616071.3U CN201720616071U CN207654483U CN 207654483 U CN207654483 U CN 207654483U CN 201720616071 U CN201720616071 U CN 201720616071U CN 207654483 U CN207654483 U CN 207654483U
- Authority
- CN
- China
- Prior art keywords
- hose
- needle
- indwelling
- hose coupling
- needle core
- 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
Abstract
The utility model discloses a kind of remaining needles of anti-blocking, including indwelling hose, needle core and woven hose；The syringe needle for puncture is collectively formed in one end of indwelling hose and one end of needle core, the other end of indwelling hose is connected with hose coupling, the side wall of one end far from hose coupling is equipped at least one through-hole on indwelling hose, hose coupling is internally provided with sealing element, and the other end plug of hose coupling is connected with needle core connector；The other end of needle core passes through the sealing element in hose coupling to be fixedly linked with needle core connector；One end of woven hose is connected to hose coupling；The side of one end far from indwelling hose on hose coupling is equipped with rubber stopper, and the top of rubber stopper is connected by rubber strip with indwelling hose, and the bottom end of rubber stopper is free end, and the diameter of rubber stopper is axially tapered into from top to bottom end.The utility model is simple in structure, can reduce due to forming thrombus in blood backflow to indwelling needle tubing, to influence the probability of happening of infusion next time.
Description
Technical field
The utility model belongs to infusion device technical field, and in particular to a kind of remaining needle of anti-blocking.
Background technology
Venous detaining needle is also known as venous catheter needle, and the use of remaining needle can reduce patient caused by due to venipuncture repeatedly
Pain and the fear to having an injection, mitigate the impatience of parent, and it includes that can stay to be convenient for clinical application, the building block of core
Set the conduit of softness in the blood vessels and the guiding needle core for puncture.Conduit and needle core are punctured into blood together when use
In pipe, after conduit fully enters blood vessel, needle core is extracted, only controls soft catheter retaining to carry out infusion in the blood vessels
It treats, existing remaining needle often occurs in blood backflow to indwelling needle tubing after extracting transfusion needle, forms thrombus, under the influence of
Secondary infusion after prolonged use, is easy by the solidification in blood of human body moreover, only there are one infusion ports for existing remaining needle
Object blocks, and influences infusion flow rate.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of remaining needle of anti-blocking, it is simple in structure, it can reduce due to blood
Liquid, which is back in indwelling needle tubing, forms thrombus, to influence the probability of happening of infusion next time.
It realizes above-mentioned technical purpose, reaches above-mentioned technique effect, the utility model is achieved through the following technical solutions：
A kind of remaining needle of anti-blocking, including indwelling hose, needle core and woven hose；The indwelling hose is coaxially set with needle core
It sets, the syringe needle for puncture, the other end connection of the indwelling hose is collectively formed in one end of indwelling hose and one end of needle core
There is a hose coupling, the side wall of one end far from hose coupling is equipped at least one through-hole on indwelling hose, and the hose coupling is
Cavity structure, is internally provided with sealing element, and the other end plug of hose coupling is connected with needle core connector；The needle core it is another
The sealing element in hose coupling is held to be fixedly linked with needle core connector；One end of the woven hose and the inside of hose coupling
The tie point of connection, woven hose and hose coupling is between sealing element and indwelling hose；Far from indwelling on the hose coupling
The side of one end of hose is equipped with rubber stopper, and the top of the rubber stopper is connected by rubber strip with indwelling hose, rubber stopper
Bottom end is free end, and the diameter of rubber stopper is axially tapered into from top to bottom end, to be sealed with hose coupling
Connection.
Further, the side wall far from hose coupling one end is set there are two through-hole on the indwelling hose, and two through-holes
It is staggered.
Further, the sealing element is integrally formed with hose coupling.
Further, the sealing element is made of rubber material.
Further, the bottom face of the rubber stopper is arc-shaped.
Further, on the needle core connector needle handle is equipped at separate hose coupling.
Further, the woven hose is equipped with liquid stopping clamp.
The beneficial effects of the utility model：
A kind of remaining needle of anti-blocking of the utility model connects by the way that sealing element is arranged in hose coupling, and in hose
Rubber stopper is filled in the opening of hose coupling end after extracting needle core, serves as needle core by the end set rubber stopper of head immediately
The sealing function that connector is played, to reduce due to forming thrombus in blood backflow to indwelling needle tubing, under the influence of
The probability of happening of secondary infusion.
Further, the remaining needle of a kind of anti-blocking of the utility model passes through the separate hose coupling on indwelling hose
The side wall of one end is equipped at least one through-hole, for preventing the indwelling hose being likely to occur from being blocked up by the coagulum in blood of human body
Plug, drug can be flowed into human body from the through-hole on side wall, not interfere with the normal use of remaining needle.
Further, the remaining needle of a kind of anti-blocking of the utility model, simple structure and reasonable design is easy to use, tool
There is good popularizing application prospect.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of embodiment of the utility model.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain this practicality
It is novel, it is not used to limit the utility model.
The application principle of the utility model is explained in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of remaining needle of anti-blocking, including indwelling hose 1, needle core 2 and woven hose 3；
The indwelling hose 1 is coaxially disposed with needle core 2, and one end of indwelling hose 1 and one end of needle core 2 are collectively formed and are used for
The syringe needle of puncture；The other end of the indwelling hose 1 is connected with hose coupling 4, and one far from hose coupling 4 on indwelling hose 1
The side wall at end is equipped at least one through-hole 5；In a kind of embodiment of the utility model, far from hose on the indwelling hose 1
The side wall of 4 one end of connector is set there are two through-hole 5, and two through-holes 5 are staggered.
The hose coupling 4 is cavity structure, is internally provided with sealing element 6, and the other end plug of hose coupling 4 is connected with
Needle core connector 10；In a kind of embodiment of the utility model, the sealing element 6 is integrally formed with hose coupling 4, processing
It is simple for process, high yield rate；In another embodiment of the utility model, the sealing element 6 is made of rubber material.
The other end of the needle core 2 passes through the sealing element 6 in hose coupling 4 to be fixedly linked with 2 connector of needle core；It is preferred that
Ground, for the ease of extraction needle core 2, far from needle handle 7 is equipped at hose coupling 4 on 2 connector of the needle core, needle handle 7 is equipped with anti-
Sliding line（It is not shown in figure）.
One end of the woven hose 3 is connected to the inside of hose coupling 4, and woven hose 3 and the tie point of hose coupling 4 are located at
Between sealing element 6 and indwelling hose 1, for liquid to be introduced into hose coupling 4, then indwelling is introduced into from hose coupling 4
In hose 1, finally realize to human transfusion；Further, the woven hose 3 is equipped with liquid stopping clamp 8.
The side of one end far from indwelling hose 1 on the hose coupling 4 is equipped with rubber stopper 9, the top of the rubber stopper 9
It is connected with indwelling hose 1 by rubber strip 11, the bottom end of rubber stopper 9 is free end, and the diameter of rubber stopper 9 is from top to bottom end edge
It axial direction to taper into, to be tightly connected with hose coupling 4；Preferably, the bottom face of the rubber stopper 9 is circular arc
Shape.
In conclusion the operation principle of the utility model is specially：
It is collectively formed first with one end of indwelling hose and one end of needle core and carries out human body puncture for the syringe needle of puncture,
It completes after puncturing, by pulling out needle handle, comes so that needle core connector and needle core are pulled out together, then by rubber stopper
Bottom end fill in hose coupling, to be tightly connected with hose coupling；Due in hose coupling be equipped with sealing element, reduce because
The probability of happening for causing blood backflow event is extracted for needle core connector and needle core.
When infusion terminates soon, it can not continue to be infused first with liquid stopping clamp control woven hose, then stop again
Drug is only inputted into woven hose.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of remaining needle of anti-blocking, including indwelling hose, needle core and woven hose；The indwelling hose is coaxially set with needle core
It sets, the syringe needle for puncture is collectively formed in one end of indwelling hose and one end of needle core, it is characterised in that：The indwelling hose
The other end is connected with hose coupling, and the side wall of one end far from hose coupling is equipped at least one through-hole on indwelling hose, described
Hose coupling is cavity structure, is internally provided with sealing element, and the other end plug of hose coupling is connected with needle core connector；It is described
The other end of needle core passes through the sealing element in hose coupling to be fixedly linked with needle core connector；One end of the woven hose and hose
The inside of connector is connected to, and the tie point of woven hose and hose coupling is between sealing element and indwelling hose；The hose coupling
The side of upper one end far from indwelling hose is equipped with rubber stopper, and the top of the rubber stopper passes through rubber strip and indwelling hose phase
Even, the bottom end of rubber stopper is free end, and the diameter of rubber stopper is axially tapered into from top to bottom end, to it is soft
Pipe seal connects.
2. a kind of remaining needle of anti-blocking according to claim 1, it is characterised in that：Far from hose on the indwelling hose
The side wall of connector one end is set there are two through-hole, and two through-holes are staggered.
3. a kind of remaining needle of anti-blocking according to claim 1, it is characterised in that：The sealing element is with hose coupling
It is integrally formed.
4. a kind of remaining needle of anti-blocking according to claim 1, it is characterised in that：The sealing element is by rubber material system
At.
5. a kind of remaining needle of anti-blocking according to claim 1, it is characterised in that：The bottom face of the rubber stopper is circle
Arc.
6. a kind of remaining needle of anti-blocking according to claim 1, it is characterised in that：Far from soft on the needle core connector
Needle handle is equipped at pipe fitting.
7. a kind of remaining needle of anti-blocking according to claim 1, it is characterised in that：The woven hose is equipped with only liquid
Folder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720616071.3U CN207654483U (en) | 2017-05-31 | 2017-05-31 | A kind of remaining needle of anti-blocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720616071.3U CN207654483U (en) | 2017-05-31 | 2017-05-31 | A kind of remaining needle of anti-blocking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207654483U true CN207654483U (en) | 2018-07-27 |
Family
ID=62935423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720616071.3U Expired - Fee Related CN207654483U (en) | 2017-05-31 | 2017-05-31 | A kind of remaining needle of anti-blocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207654483U (en) |
-
2017
- 2017-05-31 CN CN201720616071.3U patent/CN207654483U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180727 Termination date: 20190531 |