CN209695971U - A kind of Anti-stabbing safety transfusion needle - Google Patents
A kind of Anti-stabbing safety transfusion needle Download PDFInfo
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- CN209695971U CN209695971U CN201821436241.0U CN201821436241U CN209695971U CN 209695971 U CN209695971 U CN 209695971U CN 201821436241 U CN201821436241 U CN 201821436241U CN 209695971 U CN209695971 U CN 209695971U
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- needle stand
- interior
- casing
- needle
- rear end
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Abstract
A kind of Anti-stabbing safety transfusion needle of the utility model, it is related to a kind of the field of medical instrument technology, compared with prior art, the rear end of the interior needle stand of the utility model is provided with the sealing ring of umbrella shape, sealing ring pushes against the inner tubal wall of casing to realize sealing, the rear end of casing is provided with the interior stop bit pipe of hard, under transfusion state, the rear end of interior needle stand resists interior stop bit pipe, when can be avoided medical staff inner assembly being pulled to retreat, inner assembly is fully drawn out to come, can be avoided the generation for the malpractices such as stabbing or infecting.
Description
Technical field
The utility model relates to the field of medical instrument technology, and in particular to a kind of Anti-stabbing safety transfusion needle.
Background technique
Since invention venous transfusion, infusion field and nursing industry there is many pain spots, wherein reflection concentration and one
One of the problem of directly being denounced endlessly, injury of the steel needle to blood vessel when being exactly infused, nursing industry are all seeking cost performance always
Suitable transfusion needle product is replaced traditional infusion steel needle.In recent years, it due to the hose characteristic of venous detaining needle, punctures into
The part of blood vessel is soft conduit, and infusion when is few to injury of blood vessel, and patient can be with needle gentle activity, some developed regions
Begin to use venous detaining needle to substitute traditional steel needle to be infused, especially infantile infusion, then it is more universal.Venous detaining needle is suitable
For the puncture at the multiple positions of human body, one-time puncture can be continuous or be spaced use in multiple, more days, alleviates patient and punctures repeatedly
Pain, alleviate the workload of nursing staff, clinically it is deep suffered from by shield welcome, while saving a large amount of medical treatment and nursing people
Power material resources have great medical economics meaning.Certain this remaining needle can also be used as conventional disposable infusion needle and use.
The structure of remaining needle generally comprises inner assembly and outer component, and outer component includes outer needle stand, casing and preceding hose, preceding soft
Pipe is fixed on the front end of outer needle stand, and the front end of casing is connect with the rear end of outer needle stand, so that casing, outer needle stand and preceding
Hose is sequentially communicated.Inner assembly includes needle core, interior needle stand and inner flexible tube, and needle core is the steel needle of hard, the rear end of needle core and interior needle
The front end of seat is fixedly connected, and the front end of inner flexible tube is connect with the rear end of interior needle stand, so that inner flexible tube, interior needle stand and needle
Core is sequentially communicated, and inner flexible tube is through in described sleeve pipe.Under original state, interior needle stand is in outer needle stand, and needle core is soft before being applied in
It is pierced by pipe and from the front end of preceding hose.When puncture, medical staff push needle core be pierced into blood vessel together with preceding hose, puncture at
After function, medical staff pulls inner flexible tube, and interior needle stand, inner flexible tube and needle core is allowed to retreat, so that needle core is detached from the preceding hose.
Hose is that inner assembly is completely withdrawn from and throws aside before needle core is detached from, and in the rear end of casing, connection infusion apparatus is infused, and easily causes thorn
The malpractices such as wound or infection.
Summary of the invention
For the prior art there are above-mentioned technical problem, the utility model provides a kind of Anti-stabbing safety transfusion needle, makes
It is stabbed with can be avoided in the process, it is ensured that medical safety.
To achieve the above object, the utility model the following technical schemes are provided:
There is provided a kind of Anti-stabbing safety transfusion needle, including inner assembly and outer component, outer component includes outer needle stand, casing and preceding
Hose, preceding hose are fixed on the front end of outer needle stand, and the front end of casing is connect with the rear end of outer needle stand, so that casing,
Outer needle stand and preceding hose are sequentially communicated；
Inner assembly includes the needle core of interior needle stand, inner flexible tube and hard, the fixed company in the front end of the rear end of needle core and interior needle stand
It connects, the front end of inner flexible tube is connect with the rear end of interior needle stand, so that inner flexible tube, interior needle stand and needle core are sequentially communicated；Interior needle
Seat is internally provided with step, and the front end of inner flexible tube resists the step, so that the front port of inner flexible tube and the interior needle stand
Rear port be mutually separated；
Under original state, inner flexible tube is threaded through in casing, and interior needle stand is in outer needle stand, needle core be applied in front of in hose and
It is pierced by from the front end of preceding hose；Under transfusion state, inner assembly is retreated so that needle core is detached from the preceding hose and is accommodated in casing,
It is formed successively by infusion channel as " the interior needle stand of the inner flexible tube-- preceding hose of the outer needle stand-of needle core-casing-"；
It is characterized in that: the rear end of interior needle stand is provided with the sealing ring of umbrella shape, sealing ring pushes against the inner tubal wall of casing；Casing
Rear end be installed with the interior stop bit pipe of hard, under transfusion state, the rear end of interior needle stand is retreated to resisting interior stop bit pipe.
Wherein, it is adhesively fixed or is welded and fixed between interior stop bit pipe and casing or integrated injection molding.
Wherein, interior needle stand offers side channel, and there are infusion gap, infusions between the outside of interior needle stand and the inner sidewall of casing
Another infusion channel as " inner flexible tube-side channel-infusion gap-preceding hose of the outer needle stand-of casing-" is formed under state.
Wherein, the two sides of the outer component are respectively arranged with fin, and the anti-back that the side of the fin is provided with hard is convex
It rises, after the fin of two sides is equivalent in opposite directions, the anti-back protrusion diameter is pressed downward described sleeve pipe so that interior needle stand is stated in clamp sleeve residence
Or the rear end of the interior needle stand is withstood, to prevent the interior needle stand from retreating.
It wherein, further include sheath, sheath can be covered in the front of outer needle stand with pulling out, and the preceding hose and the needle core are inserted in
In the sheath, the sheath is provided with extension, and after the fin of two sides is equivalent in opposite directions, the fin resists the extension,
So that the fin is kept folded position, the setting of the extension is jagged, after the fin of two sides is equivalent in opposite directions, fin it is pinched
The position notch is held, extending part is in the outside of whole casing.
Wherein, the internal channel of outer needle stand is equipped with the first prosposition, and interior needle stand is equipped with the first prosposition with the internal channel of outer needle stand
Compatible second prosposition, thus needle stand rotation in limiting.
Wherein, the distance between the rear end of casing and the rear end of outer needle stand are 20~120mm.
The utility model has the beneficial effects that
A kind of Anti-stabbing safety transfusion needle of the utility model, compared with prior art, the interior needle stand of the utility model
Rear end is provided with the sealing ring of umbrella shape, and sealing ring pushes against the inner tubal wall of casing to realize sealing, the rear end setting of casing
Have an interior stop bit pipe of hard, under transfusion state, the rear end of interior needle stand resists interior stop bit pipe, can be avoided medical staff pull in group
When part retreats, inner assembly is fully drawn out to come, can be avoided the generation for the malpractices such as stabbing or infecting.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of Anti-stabbing safety transfusion needle of the utility model.
Fig. 2 is the structural schematic diagram after pulling out sheath after fin expansion.
Fig. 3 is the structural schematic diagram of interior needle stand.
Fig. 4 is the partial sectional view under transfusion state.
Appended drawing reference:
Outer needle stand 1；
Casing 2；
Preceding hose 3；
Interior needle stand 4, side channel 41, step 42, the second prosposition 43；
Inner flexible tube 5；
Needle core 6；
Fin 7, anti-back protrusion 71；
Sheath 8, extension 81, notch 82；
Sealing ring 9；
Interior stop bit pipe 10.
Specific embodiment
The utility model is described in detail below in conjunction with specific embodiments and drawings.
A kind of Anti-stabbing safety transfusion needle of the present embodiment, as shown in Figures 1 to 4, including inner assembly and outer component, outer group
Part includes the casing 2 and preceding hose 3 of outer needle stand 1, hard, and preceding hose 3 is fixed on the front end of outer needle stand 1, the front end of casing 2
It is connect with the rear end of outer needle stand 1, so that casing 2, outer needle stand 1 and preceding hose 3 are sequentially communicated, outer needle stand 1 is provided with for doctor
Two side flaps 7 that shield personnel hold, the side of fin 7 are provided with the anti-back protrusion 71 of hard, and the fin 7 of two sides is equivalent in opposite directions
Afterwards, raised 71 diameters of the anti-back are pressed downward described sleeve pipe 2 so that 2 shape deforming clip residence of casing is stated interior needle stand 4 or withstood in described
The rear end of needle stand 4, to prevent the interior needle stand 4 from retreating.The distance between rear end of the rear end of casing 2 and outer needle stand 1 for 20~
120mm, preferably 25~60mm.
Inner assembly includes the needle core 6 of interior needle stand 4, inner flexible tube 5 and hard, and the rear end of needle core 6 and the front end of interior needle stand 4 are solid
Fixed connection, the front end of inner flexible tube 5 is connect with the rear end of interior needle stand 4, so that inner flexible tube 5, interior needle stand 4 and needle core 6 are successively
Connection；Interior needle stand 4 is internally provided with step 42, and the front end of inner flexible tube 5 resists the step 42, so that before inner flexible tube 5
Port and the rear port of the preceding hose 3 are mutually separated, and the tube wall of inner flexible tube 5 when assembly is avoided to block the end of the side channel of interior needle stand 3
Mouthful.
The rear end of interior needle stand 4 is provided with the sealing ring 9 of umbrella shape, and sealing ring 9 is deformable, the abutting casing 2 of sealing ring 9
Inner tubal wall realize sealing.The rear end of casing 2 is installed with the interior stop bit pipe 10 of hard, and under transfusion state, interior stop bit pipe 10 is resisted
The rear end of interior needle stand 4, avoids medical staff firmly excessive, and inner assembly is caused to be completely withdrawn from out.Interior stop bit pipe 10 and casing 2
Between be adhesively fixed or be welded and fixed or integrated injection molding.Outer needle stand 1 is equipped with the first prosposition, interior needle stand 4 be equipped with it is first flat
Compatible second prosposition 43 in position, so that needle stand 4 rotates in limiting.
The present embodiment further includes sheath 8, and sheath 8 can be covered in the front of outer needle stand 1 with pulling out, the preceding hose 3 and described
Needle core 6 is inserted in the sheath 8, and the sheath 8 is provided with extension 81, after the fin 7 of two sides is equivalent in opposite directions, the extension
81 resist the fin 7, and the fin 7 is made to keep folded position, the setting jagged 82 of the extension 81, the fin of two sides
After 7 is opposite equivalent, fin 7 by the grip position notch 82, so that medical staff pinches fin 7, then extract shield
Set 8.Extension 81 is located at the outside of whole casing 2, and integral cannula 2 is protected not to be extruded during transportation.
Under original state, inner flexible tube 5 is threaded through in casing 2, and interior needle stand 4 is in outer needle stand 1, and needle core 6 is soft before being applied in
It is pierced by pipe 3 and from the front end of preceding hose 3.When puncture, medical staff is equivalent in opposite directions two side flaps 7, handles fin 7 to being pushed forward
Dynamic, so that needle core 6 is pierced into blood vessel together with the front end of preceding hose 3, after puncturing successfully, medical staff pulls inner flexible tube 5, makes
Interior needle stand 4, inner flexible tube 5 and needle core 6 retreat together, so that needle core 6 is detached from the preceding hose 3, are formed as shown in Figure 4 defeated
Liquid status.Under transfusion state, inner assembly retreats so that needle core 6 is detached from the preceding hose 3 and is accommodated in casing 2, and formation is successively
By infusion channel as " hose 3 before the outer needle stand 1- of needle stand 4- needle core 6- casing 2- in inner flexible tube 5- ".Interior needle stand 4 offers
Side channel 41, side channel 41 include the hole of connection inner flexible tube 5 and positioned at interior 4 surface of needle stand along axial slot, the outside of interior needle stand 4 with
There are infusion gap between the inner sidewall of casing 2, form that " inner flexible tube 5- side channel 41- is infused outside gap-casing 2- under transfusion state
Another infusion channel as hose 3 ", realizes the infusion of big flow before needle stand 1-.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (6)
1. a kind of Anti-stabbing safety transfusion needle, including inner assembly and outer component, outer component includes outer needle stand, casing and preceding hose,
Preceding hose is fixed on the front end of outer needle stand, and the front end of casing is connect with the rear end of outer needle stand, so that casing, outer needle stand
It is sequentially communicated with preceding hose；
Inner assembly includes the needle core of interior needle stand, inner flexible tube and hard, and the rear end of needle core is fixedly connected with the front end of interior needle stand, interior
The front end of hose is connect with the rear end of interior needle stand, so that inner flexible tube, interior needle stand and needle core are sequentially communicated；Inside interior needle stand
It is provided with step, the front end of inner flexible tube resists the step, so that the rear end of the front port of inner flexible tube and the interior needle stand
Mouth is mutually separated；
It is characterized in that: inner flexible tube is threaded through in casing under original state, interior needle stand is in outer needle stand, and needle core is soft before being applied in
It is pierced by pipe and from the front end of preceding hose；Under transfusion state, inner assembly is retreated so that needle core is detached from the preceding hose and is accommodated in
In casing, formed successively by infusion channel as " the interior needle stand of the inner flexible tube-- preceding hose of the outer needle stand-of needle core-casing-"；Interior needle
Seat offers side channel, and there are infusion gaps between the outside of interior needle stand and the inner sidewall of casing, is also formed under transfusion state " interior soft
Another infusion channel as the pipe-side channel-infusion gap-preceding hose of the outer needle stand-of casing-"；
The rear end of interior needle stand is provided with the sealing ring of umbrella shape, and sealing ring pushes against the inner tubal wall of casing；The rear end of casing is arranged
There is an interior stop bit pipe of hard, under transfusion state, the rear end of interior needle stand resists interior stop bit pipe.
2. a kind of Anti-stabbing safety transfusion needle according to claim 1, it is characterized in that: be bonded between interior stop bit pipe and casing
It is fixed or be welded and fixed or integrated injection molding.
3. a kind of Anti-stabbing safety transfusion needle according to claim 1, it is characterized in that: the two sides of the outer component are set respectively
It is equipped with fin, the side of the fin is provided with the anti-back protrusion of hard, after the fin of two sides is equivalent in opposite directions, the anti-back protrusion
Diameter is pressed downward described sleeve pipe so that clamp sleeve residence states interior needle stand or withstands the rear end of the interior needle stand, to prevent the interior needle
Seat retreats.
4. a kind of Anti-stabbing safety transfusion needle according to claim 3, it is characterized in that: further including sheath, sheath can be pulled out
Ground is covered in the front of outer needle stand, and the preceding hose and the needle core are inserted in the sheath, and the sheath is provided with extension, and two
After the fin of side is equivalent in opposite directions, the fin resists the extension, and the fin is made to keep folded position, the extension
Be arranged it is jagged, after the fin of two sides is equivalent in opposite directions, fin by the grip position notch, extending part is in whole
The outside of casing.
5. a kind of Anti-stabbing safety transfusion needle according to claim 1, it is characterized in that: the internal channel of outer needle stand is equipped with first
Prosposition, interior needle stand are equipped with the second prosposition compatible with the first prosposition of the internal channel of outer needle stand, thus needle stand rotation in limiting.
6. a kind of Anti-stabbing safety transfusion needle according to claim 1, it is characterized in that: after the rear end of casing and outer needle stand
The distance between end is 20~120mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821436241.0U CN209695971U (en) | 2018-08-31 | 2018-08-31 | A kind of Anti-stabbing safety transfusion needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821436241.0U CN209695971U (en) | 2018-08-31 | 2018-08-31 | A kind of Anti-stabbing safety transfusion needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209695971U true CN209695971U (en) | 2019-11-29 |
Family
ID=68636077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821436241.0U Active CN209695971U (en) | 2018-08-31 | 2018-08-31 | A kind of Anti-stabbing safety transfusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209695971U (en) |
-
2018
- 2018-08-31 CN CN201821436241.0U patent/CN209695971U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221216 Address after: 525000 Room 301, No. 07-2, Private Science and Technology Industrial Park, Dianhai Street, Dianbai District, Maoming, Guangdong Patentee after: Guangdong Xianlai Medical Technology Co.,Ltd. Address before: 525000 No. 07-2, Zone 2, Private Science and Technology Industrial Park, Dianbai District, Maoming, Guangdong Patentee before: GUANGDONG XIANLAI MEDICAL DEVICES Co.,Ltd. |
|
| TR01 | Transfer of patent right |