CN209316693U - A kind of remaining needle of the anti-withdraw of the needle - Google Patents
A kind of remaining needle of the anti-withdraw of the needle Download PDFInfo
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- CN209316693U CN209316693U CN201821048093.5U CN201821048093U CN209316693U CN 209316693 U CN209316693 U CN 209316693U CN 201821048093 U CN201821048093 U CN 201821048093U CN 209316693 U CN209316693 U CN 209316693U
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- needle
- fin
- needle stand
- casing
- interior
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Abstract
A kind of remaining needle of the anti-withdraw of the needle, is related to the field of medical instrument technology, and compared with prior art, since the side of fin is provided with anti-back protrusion, after the fin of two sides is equivalent in opposite directions, anti-back protrusion pushes casing so that casing resists interior needle stand, to prevent interior needle stand from retreating.Transfusion needle is held to vascular puncture using opposite equivalent fin, it is a kind of convenience and classical puncture mode, when fin equivalent in opposite directions and hand-held equivalent fin puncture, anti-back protrusion can oppress needle stand in casing deformation clamping, needle stand displacement, to prevent needle core from retreating, has both met traditional use habit in preventing, it can be realized and retreated when preventing needle core puncture vessel by the resistance of skin again, the risk of failure is pierced through in discharge.After puncture finishes, the patch that fin can be unfolded again is lied prostrate on skin, effectively the stickup of remaining needle entirety is assisted to fix, and plays the effect that gripping punctures, converts into locking and expansion fixation.
Description
Technical field
The invention is related to the field of medical instrument technology, and in particular to a kind of remaining needle of the anti-withdraw of the needle.
Background technique
Venous detaining needle is also known as vein sheath needle, it generally comprises inner assembly and outer component, outer component include 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 is obtained to be 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 is fixedly connected with the front end of interior needle stand, 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 are sequentially communicated, and inner flexible tube is through in described sleeve pipe.Under original state, interior needle stand is in outer needle stand
It is interior, it is pierced by before needle core is applied in hose and from the front end of preceding hose.When puncture, medical staff pushes needle core together with preceding hose
It is pierced into blood vessel, after puncturing successfully, medical staff pulls inner flexible tube, allows interior needle stand, inner flexible tube and needle core to retreat, so that needle
Core is detached from the preceding hose.There are two types of modes for hose before needle core is detached from, and are completely withdrawn from and throw aside one is inner assembly, after casing
End connection infusion apparatus is infused.Another kind is that inner assembly is retreated to casing, and soft preceding hose is left to remain in blood vessels, inside
The rear end of hose connects infusion apparatus, and liquid, which successively passes through the preceding hose of the interior needle stand-outer needle stand-of needle core-casing-of inner flexible tube-, to carry out
Infusion.Due to be retained in intravenous preceding hose be it is soft, avoid damage of the needle body to blood vessel, patient can be slight with needle
Activity.Venous detaining needle is suitable for the puncture at multiple positions, and one-time puncture can be continuous or be spaced use in multiple, more days, mitigates
The pain that patient punctures repeatedly, alleviates the workload of nursing staff, clinically it is deep suffered from by shield welcome, while saving big
The medical treatment and nursing manpower and material resources of amount have great medical economics meaning.Certain this remaining needle can also be used as conventional one
Secondary property transfusion needle uses.
As previously described, because using when inner assembly and outer component need relative displacement, therefore need to guarantee inner assembly with
It can opposite sliding between outer component.But when puncturing, in order to ensure that the front end of needle core smoothly punctures human vas,
It needs to guarantee that needle core stands fast, that is, needs to guarantee that inner assembly integrally stands fast, otherwise will there is the risk of puncture failure.It is existing
The structure for preventing needle core from retreating it is excessively complicated, or need medical staff to clutch casing energetically to prevent interior needle stand from retreating, give
Medical staff makes troubles.
In addition after manufacturing pre-assembled, handling, logistics turnover, product distribution, with it is preceding check etc. multiple links
Also may enable inner assembly and outer component that sliding occurs causes to be displaced, and needle core will be made to be in non-initial position once generating displacement
When position, will be unable to implement puncture, resetted and be not easy to, then will lead to remaining needle and be not available.
Summary of the invention
For the prior art there are above-mentioned technical problem, the utility model provides a kind of remaining needle of anti-withdraw of the needle, is convenient for
Operation, prevents needle core from retreating, and ensures and punctures smoothly.
To achieve the above object, the invention provides following technical scheme.
There is provided a kind of remaining needle of anti-withdraw of the needle, including inner assembly and outer component, outer component includes outer needle stand, casing and preceding soft
Pipe, 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, outside
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；
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, interior needle stand, inner flexible tube and needle core are retreated, so that needle core is detached from the preceding hose, to be formed
Infusion channel；
It is characterized in that: the two sides of the outer component are respectively arranged with fin, at least the side setting of the fin of side
There is anti-back raised, after the fin of two sides converts into opposite directions, the anti-back protrusion diameter is pressed downward described sleeve pipe so that casing resists institute
Interior needle stand is stated, to prevent the interior needle stand from retreating.
Wherein, the fin is fixed on the outer needle stand, or is fixed in described sleeve pipe.
Wherein, the fin of two sides is provided with the anti-back protrusion.
Wherein, after the fin of two sides is equivalent in opposite directions, the anti-back protrusion diameter is pressed downward casing so that casing deformation resists
The rear end of the interior needle stand, or resist the lateral wall of the interior needle stand.
Wherein, the remaining needle of the anti-withdraw of the needle further includes packaging sheath, and packaging sheath can be covered in the front of outer needle stand with pulling out,
The preceding hose and the needle core are inserted in the packaging sheath, and the packaging sheath is provided with extension, the fin phase of two sides
To after equivalent, the extension resists the fin, and the fin is made to keep folded position.
Wherein, the setting of the extension is jagged, after the fin of two sides is equivalent in opposite directions, fin it is exposed by grip position
To the notch.
It wherein, is clamping between the packaging sheath and outer needle stand.
The utility model has the beneficial effects that
A kind of remaining needle of the anti-withdraw of the needle of the invention, compared with prior art, due to the side of fin be provided with it is anti-
Protrusion is moved back, after the fin of two sides is equivalent in opposite directions, anti-back protrusion pushes casing so that casing resists interior needle stand, to prevent interior needle stand
It retreats.Transfusion needle is held to vascular puncture using opposite equivalent fin, is a kind of convenience and classical puncture mode, is converted into opposite directions
When fin and hand-held equivalent fin puncture, anti-back protrusion can oppress needle stand in casing deformation clamping, prevent interior needle stand displacement, thus
Prevent needle core from retreating, not only met traditional use habit, but can be realized when preventing needle core puncture vessel by the resistance of skin and
It retreats, the risk of failure is pierced through in discharge.After puncture finishes, patch volt can be unfolded on skin in fin again, and effectively auxiliary is stayed
The stickup for setting needle entirety is fixed, and plays to hold puncturing, converting into locking and fixed effect is unfolded.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the remaining needle of the anti-withdraw of the needle of one of embodiment in the initial state.
Fig. 2 is the structural schematic diagram after two side flaps of one of the embodiment remaining needle of the anti-withdraw of the needle are equivalent in opposite directions.
Fig. 3 is structural schematic diagram of the remaining needle of the anti-withdraw of the needle of one of embodiment under transfusion state.
Fig. 4 is the perspective view of one of the embodiment remaining needle of the anti-withdraw of the needle.
Fig. 5 is the perspective view of the packaging sheath of one of the embodiment remaining needle of the anti-withdraw of the needle.
Fig. 6 is the structural schematic diagram when fin of one of the embodiment remaining needle of the anti-withdraw of the needle is fixed on casing.
Appended drawing reference includes:
Outer needle stand 1；
Casing 2, preceding hose 3；
Interior needle stand 4；
Inner flexible tube 5, needle core 6；
Fin 7, anti-back protrusion 71；
Pack sheath 8, extension 81, notch 82.
Specific embodiment
It elaborates below in conjunction with specific embodiment to the invention.
A kind of remaining needle of anti-withdraw of the needle of the present embodiment, as shown in Figure 1, including inner assembly and outer component, outer component includes
Outer needle stand 1, casing 2 and preceding hose 3, preceding hose 3 are fixed on the front end of outer needle stand 1, the front end of casing 2 and outer needle stand 1
Rear end connection, so that casing 2, outer needle stand 1 and preceding hose 3 are sequentially communicated, outer needle stand 1 is provided with to be held for medical staff
Two side flaps 7.Inner assembly includes the needle core 6 of interior needle stand 4, inner flexible tube 5 and hard, the front end of the rear end of needle core 6 and interior needle stand 4
Be fixedly connected, 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 according to
Secondary connection.Original state is as depicted in figs. 1 and 2, and inner flexible tube 5 is threaded through in described sleeve pipe 2, and interior needle stand 4 is in outer needle stand 1,
It is pierced by before needle core 6 is applied in hose 3 and from the front end of preceding hose 3.When puncture, medical staff is equivalent in opposite directions two side flaps 7,
Fin 7 is handled to push forward, so that needle core 6 is pierced into blood vessel together with the front end of preceding hose 3, after puncturing successfully, medical care people
Member pulls inner flexible tube 5, retreats interior needle stand 4, inner flexible tube 5 and needle core 6, so that needle core 6 is detached from the preceding hose 3, is formed
Transfusion state as shown in Figure 3.In the present embodiment, the mode of hose 3 is that inner assembly is retreated to casing 2 before needle core 6 is detached from, interior
It is sealed between needle stand 4 and casing 2, interior needle stand 4 is clamped or fastens the rear end for being fixed on casing 2, and needle core 6 is accommodated in casing 2
Interior, soft preceding hose 3 is left to remain in blood vessels, and connects infusion apparatus in the rear end of inner flexible tube 5, liquid successively passes through in inner flexible tube 5-
Hose 3 is infused before the outer needle stand 1- of needle stand 4- needle core 6- casing 2-.Certainly, needle core 6 is detached from the mode of preceding hose 3 also in practice
It may is that inner assembly is completely withdrawn to throw aside, inner assembly is disposable, and then in the rear end of casing 2, connection infusion apparatus is carried out
Infusion.
In the present embodiment, as depicted in figs. 1 and 2, the side of two side flaps 7 is provided with anti-back protrusion 71, the wing of two sides
After piece 7 converts into opposite directions, anti-back protrusion 71 pushes casing 2 so that casing 2 resists interior needle stand 4, with the retrogressing of needle stand 4 in prevention.It is real
It is also possible to be equipped with anti-back protrusion 71 for only one fin 7 in border.The obstruction of needle stand 4 has following two feelings in 71 pairs of anti-back protrusion
Condition, after as shown in Fig. 2, the fin 7 of two sides is equivalent in opposite directions, anti-back 71 diameters of protrusion are pressed downward the deformation of casing 2, so that set
The rear end of interior needle stand 4 is resisted after 2 local dent of pipe.It is another as shown in fig. 6, anti-back protrusion 71 by clamp sleeve 2 come between
Connect the lateral wall of needle stand 4 in compressing.Certain actually both of these case can use simultaneously, both keep out the rear end of interior needle stand 4,
The lateral wall of needle stand 4 compress again in sufficiently ensures that interior needle stand 4 will not retreat.Fin 7, can also be in addition to being fixed on outer needle stand 1
As shown in fig. 6, fin 7 is fixed on casing 2.
As shown in Figure 4 and Figure 5, the remaining needle of the anti-withdraw of the needle further includes packaging sheath 8, and packaging sheath 8 can cover with pulling out
The front of outer needle stand 1 is packed and is removably clamped between sheath 8 and outer needle stand 1, and preceding hose 3 and needle core 6 are inserted in packaging sheath 8
Interior, packaging sheath 8 is provided with extension 81, and after the fin 7 of two sides is equivalent in opposite directions, extension 81 resists fin 7, so that fin 7
Folded position is kept, to ensure that needle stand 4 moves back in limitation.Fin 7 is kept into folded position when dispatching from the factory packaging, makes fin
Needle stand 4 causes to be displaced without unexpected sliding occurs in raised 71 clampings of anti-back on 7, and pulling out packaging sheath 8 can solve
Except the equivalent limitation to fin 7, restore the original appearance that fin 7 is unfolded.The setting of extension 81 jagged 82,7 phase of fin of two sides
To after equivalent, the position by grip of fin 7 is exposed to outside notch 82, so that medical staff pinches fin 7, then extracts packaging shield
Set 8.
In use, connection infusion apparatus exhaust is ready, packaging sheath 8 is pulled out after clutching two side flaps 7 as shown in Figure 2,
After implementing venipuncture, unclamping fin 7 makes its expansion, then relieves the limit of internal needle stand 4, gently pushes down fin 7, soft before keeping
The front end of pipe 3 in the blood vessels, pulls inner flexible tube 5 to be moved to needle core 6 from initial position as shown in Figure 1 as shown in Figure 3
Infusion position, is accommodated in needle core 6 in casing 2 safely, later according to transfusion nursing routine fixed tab 7.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the invention, rather than to this hair
It is bright create protection scope limitation, although being explained in detail referring to preferred embodiment to the invention, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the invention, without departing from this
The spirit and scope of innovation and creation technical solution.
Claims (7)
1. a kind of remaining needle of the anti-withdraw of the 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 and
Preceding hose is sequentially communicated；
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；
Under original state, inner flexible tube is threaded through in casing, and interior needle stand is in outer needle stand, and needle core is applied in preceding hose and the past
The front end of hose is pierced by；
Under transfusion state, interior needle stand, inner flexible tube and needle core are retreated, so that needle core is detached from the preceding hose, to form infusion
Channel；
It is characterized in that: the two sides of the outer component are respectively arranged with fin, the side of at least fin of side is provided with anti-
Protrusion is moved back, after the fin of two sides is equivalent in opposite directions, the anti-back protrusion diameter is pressed downward described sleeve pipe so that casing resists in described
Needle stand, to prevent the interior needle stand from retreating.
2. the remaining needle of a kind of anti-withdraw of the needle according to claim 1, it is characterized in that: the fin is fixed on the outer needle stand
On, or be fixed in described sleeve pipe.
3. a kind of remaining needle of anti-withdraw of the needle according to claim 1, it is characterized in that: the fin of two sides be provided with it is described anti-
Move back protrusion.
4. a kind of remaining needle of anti-withdraw of the needle according to claim 1, it is characterized in that: after the fin of two sides is equivalent in opposite directions, institute
It states anti-back protrusion diameter and is pressed downward casing so that casing deformation resists the rear end of the interior needle stand, or resists the interior needle stand
Lateral wall.
5. a kind of remaining needle of anti-withdraw of the needle according to claim 1 packs sheath it is characterized in that: further including packaging sheath
It can cover with pulling out in the front of outer needle stand, the preceding hose and the needle core are inserted in the packaging sheath, the packaging sheath
It is provided with extension, after the fin of two sides is equivalent in opposite directions, the extension resists the fin, and the fin is made to keep equivalent shape
State.
6. a kind of remaining needle of anti-withdraw of the needle according to claim 5, it is characterized in that: extension setting is jagged, two
After the fin of side is equivalent in opposite directions, fin by the grip position notch.
7. the remaining needle of a kind of anti-withdraw of the needle according to claim 5, it is characterized in that: between the packaging sheath and outer needle stand
For clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821048093.5U CN209316693U (en) | 2018-06-29 | 2018-06-29 | A kind of remaining needle of the anti-withdraw of the needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821048093.5U CN209316693U (en) | 2018-06-29 | 2018-06-29 | A kind of remaining needle of the anti-withdraw of the needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209316693U true CN209316693U (en) | 2019-08-30 |
Family
ID=67706132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821048093.5U Active CN209316693U (en) | 2018-06-29 | 2018-06-29 | A kind of remaining needle of the anti-withdraw of the needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209316693U (en) |
-
2018
- 2018-06-29 CN CN201821048093.5U patent/CN209316693U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221219 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: No.07-2, zone 2, private science and Technology Industrial Park, Dianbai County, Maoming City, Guangdong Province Patentee before: GUANGDONG XIANLAI MEDICAL DEVICES Co.,Ltd. |