CN208741648U - Disposable safety vein puncture needle device - Google Patents
Disposable safety vein puncture needle device Download PDFInfo
- Publication number
- CN208741648U CN208741648U CN201721039082.6U CN201721039082U CN208741648U CN 208741648 U CN208741648 U CN 208741648U CN 201721039082 U CN201721039082 U CN 201721039082U CN 208741648 U CN208741648 U CN 208741648U
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- Prior art keywords
- seat
- puncture
- puncture needle
- compressed spring
- protection
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Abstract
The utility model discloses a kind of disposable safety vein puncture needle devices; including puncture needle, moveable first puncture seat, for pushing the first puncture seat mobile and the protection compressed spring of puncture needle head, second being protected to puncture seat, end cap; puncture needle is connect with the first puncture seat, and protection compressed spring is connect with the first puncture seat；Device further includes for controlling the flexible control structure of protection compressed spring；End cap detachably cooperates with the second puncture seat, and the first puncture seat is connect with the second puncture seat；Control structure control protection compressed spring reinstatement state, protection compressed spring push the first puncture seat mobile, and first, which punctures seat, pulls puncture needle to retreat, in puncture needle head retraction protection compressed spring.The utility model structure is simple, by unlocking control structure, so that the syringe needle of puncture needle be made to be protected in protection compressed spring, so that puncture needle is effectively protected, avoids the injury to human skin.
Description
Technical field
The present invention relates to medical instruments fields, more particularly, to a kind of disposable safety vein puncture needle device.
Background technique
Puncture needle is the medical instrument that clinical treatment personnel often use during carrying out curative activity.And current institute
Well known puncture needle, only needle position be provided with a plastic protective sleeve, increase puncture needle puncture skin and cause by
The risk for infecting disease, can not effective protection healthcare givers.Documents (CN200810049364.3) is found by retrieval
It is related to a kind of disposable safety vein puncture needle, the technical characterstic of documents essentially consists in: the invention is by needle body, puncture needle
Seat, tie-down cable, protection spring, protection sleeve pipe and puncture needle composition, the tie-down cable, protection spring, protection sleeve pipe are built in and wear
In pricker seat, protection sleeve pipe is equipped with convex block, and incision one locking mechanism of formation of protection sleeve pipe and needle stand handle works as rotation
When protection sleeve pipe is to certain position, protection spring release, protection sleeve pipe is moved under the action of protecting spring along needle body.It is limiting
Under the containing of position rope, the taper sheath in protection sleeve pipe, which emits, covers syringe needle, plays a protective role.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind and are capable of the primary of effective protection syringe needle
Property safe intravenous infusion puncture needle realize that puncture needle is shunk by the device of release guard compressed spring, puncture needle is protected in
It protects in compressed spring, healthcare givers is prevented to be punctured needlestick injury infectious disease during being engaged in curative activity.
In order to solve the above technical problems, the technical scheme is that offer disposable safety vein puncture needle device, packet
Include puncture needle, moveable first puncture seat, for pushing the first puncture seat mobile and protecting the protection of puncture needle head compression
Spring, second puncture seat, end cap, and the puncture needle is connect with the first puncture seat, and the protection compressed spring punctures seat with first
Connection；Described device further includes for controlling the flexible control structure of protection compressed spring；The end cap and the second puncture seat can
Disassembly cooperation, the first puncture seat are connect with the second puncture seat；Control structure control protection compressed spring reinstatement state, is protected
Protecting compressed spring pushes first to puncture seat movement, and first, which punctures seat, pulls puncture needle to retreat, and puncture needle head retraction protection is compressed
In spring.
The utility model makes puncture needle have contraction work by the setting of the protection compressed spring and locking device
Can, puncture needle is contained in protection compressed spring, the protection to puncture needle head is realized, medical staff is avoided to be punctured needle
Puncture skin.
Preferably, described second seat inner hollow is punctured, the second puncture seat both ends are each provided with the first hatch frame, second
Hatch frame, protection compressed spring, the first puncture seat, puncture needle are arranged in the second puncture seat, and protection compressed spring is separate
First hatch frame end is connected with the first puncture seat, the other end is connected with end cap, and the end cap and the first hatch frame are detachable
Cooperation.
Preferably, it described second punctures inside seat by the first puncture of placement seat, the first chamber for protecting compressed spring, second
Chamber is constituted；The internal diameter of first chamber is identical as protection compressed spring size, is arranged in this way in order to avoid bullet is compressed in protection
Spring forms torsional deformation during compressed.The outer diameter of the first chamber and the size of end cap are identical.
Preferably, the first puncture seat and the second puncture seat pass through a buckle control structure locking；The control structure
Including be arranged in second puncture seat on control button, further include be arranged in first puncture seat on second puncture seat control by
The locking clamp retaining ring that key matches.Setting in this way is in order to which during pushing first base to enter second base, protection is pressed
Contracting spring is extruded, and by the cooperation of locking clamp retaining ring and control button, is punctured seat and second for first and is punctured seat locking；And
After having used disposable safety vein puncture needle, the locking clamp retaining ring unlock buckle control knot on seat is punctured by pressing first
Structure makes the elastic potential energy release for protecting compressed spring, drives puncture needle toward the second hatch frame side to push first to puncture seat
To movement, make puncture needle head protection in protection compressed spring.
Preferably, the length value of the protection compressed spring original state is 1cm ~ 2cm longer than the length value of puncture needle.It sets in this way
Set be in order to prevent first puncture seat drive puncture needle movement during, protection compressed spring because original state length it is inadequate
And the syringe needle of puncture needle cannot be protected in protection compressed spring.
Preferably, the shape of the first puncture seat matches with second chamber shape.Setting is in order to avoid the in this way
Gap is excessive between one puncture seat and the second puncture seat, influences the stability of disposable safety vein puncture needle.
Preferably, the center of the end cap is provided with the centre bore passed through by puncture needle, the size of the centre bore
It is identical as the outer diameter of puncture needle.Setting is to fix and support puncture needle in this way.
Preferably, the disposable safety vein puncture needle device is additionally provided with and is removably used for before puncture needle use
Protect the plastic protective sleeve of syringe needle.
Compared with prior art, the utility model has the beneficial effects that the utility model passes through the protection compressed spring
And the setting of locking device, make puncture needle that there is contractile function, puncture needle is contained in protection compressed spring, is realized pair
The protection of puncture needle head avoids medical staff from being punctured needle and punctures skin.
Detailed description of the invention
Fig. 1 is disposable safety vein puncture needle structural schematic diagram.
Fig. 2 is the first puncture seat and puncture body in Fig. 1 in disposable safety vein puncture needle.
Fig. 3 is the second puncture seat in Fig. 1 in disposable safety vein puncture needle.
Fig. 4 is the end cap in Fig. 1 in disposable safety vein puncture needle.
Specific embodiment
The utility model is further described With reference to embodiment.Wherein, being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；It is practical at this
In novel description, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore retouch in attached drawing
The term for stating positional relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field
For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
It is as shown in Figures 1 to 4 the first embodiment of the utility model disposable safety vein puncture needle.It is described disposable
Safety vein puncture needle device, including puncture needle 1, moveable first puncture seat 2, for push first puncture seat 2 it is mobile and
The protection compressed spring 3, second of 1 syringe needle of puncture needle is protected to puncture seat 4, end cap 5.
Wherein, puncture needle 1 is connect with the first puncture seat 2, industrially generallys use the setting of puncture needle 1 puncturing seat first
The one-time formed method in 2 inside.
In addition, protection compressed spring 3 is connect with the first puncture seat 2；This connection can using detachably with it is non-dismountable
Two kinds of mode of connection.Detachable cooperation can be by puncturing one compression protection compressed spring end of setting on seat 2 first
Structure realizes the fixation to protection compressed spring by this pressing device.It is non-dismountable connection generally use cementation method into
Row.
Wherein, device further includes for controlling the flexible control structure of protection compressed spring 3, and this control structure is in function
On should meet conveniently, flexibly use the characteristics of.
In addition, end cap 5 and second punctures the detachably cooperation of seat 4, when this detachable cooperation conveniently industrially produces just
In installation, detachable cooperation can from be threadedly engaged and be clasped it is other be achieved.
Wherein, first puncture seat 2 with second puncture seat 4 connect, it is this connect be it is mobilizable, pass through the control knot of setting
Structure locking, unlocking motion, which are realized, locks between the first puncture seat 2 and the second puncture seat 4, separates.
Control structure control protection 3 reinstatement state of compressed spring, protection compressed spring 3 push the first puncture seat 2 mobile,
First, which punctures seat 2, pulls puncture needle 1 to retreat, and 1 syringe needle retraction of puncture needle is protected in compressed spring 3.
In addition, second punctures 4 inner hollow of seat, the second puncture 4 both ends of seat are each provided with the first hatch frame 41, second open
Mouth structure 41, protection compressed spring 3, first punctures seat 2, puncture needle 1 is arranged in the second puncture seat 4, protects compressed spring 3
It is connected far from 41 end of the first hatch frame with the first puncture seat 2, the other end is connected with end cap 5, the end cap 5 and the first opening knot
Structure 41 detachably cooperates.
Wherein, it second punctures inside seat 4 by placing the first first chamber 43, second for puncturing seat 4, protecting compressed spring 3
Chamber 44 is constituted；The internal diameter of first chamber 43 with protection 3 size of compressed spring it is identical, generally, first chamber 43 it is interior
Diameter size setting range should be as small as possible under the premise of not influencing to protect compressed spring movable, and setting in this way avoids protection from pressing
Contracting spring generated in compression process torsional deformation and avoid protection compressed spring 3 moved in first chamber 43 in fluctuate.
The outer diameter of first chamber 43 is identical as the size of end cap 5.
In addition, the first puncture seat 2 and the second puncture seat 4 pass through a bayonet unit and lock；The control structure includes setting
Match in the control button 6 on the second puncture seat 4 and the control button 6 being arranged on the first puncture seat 2 with the second puncture seat 4
The locking clamp retaining ring 7 of conjunction.Seat 2 and second can be punctured by first by the cooperation of control button 6 and locking clamp retaining ring 7 puncture seat
4 lockings；By discharging locking clamp retaining ring 7, compressed protection compressed spring 3 is released, and is pushed first to puncture seat 2 and is driven puncture
Needle 1 moves.
Wherein, protect the length value of 3 original state of compressed spring 1cm ~ 2cm longer than the length value of puncture needle 3, such length value
Setting be capable of effective protection puncture needle 1 syringe needle be protected in protection compressed spring in.
In addition, the shape of the first puncture seat 2 matches with 44 shape of second chamber, be conducive to disposable safe vein in this way
The stability of puncture needle, the easily operated disposable safety vein puncture needle of medical staff will not puncture seat 2 and second because of first
The gap punctured between seat 4 influences usage experience.
Wherein, the center of end cap 5 is provided with the centre bore 8 passed through by puncture needle 1, the size of the centre bore 8 with
The outer diameter of puncture needle 1 is identical, and the diameter dimension of centre bore 8 is consistent with the diameter dimension of puncture needle 1, is conducive in this way to wearing
Pricker 1 plays the role of fixed support.
In addition, being equipped with removably in puncture needle using the preceding plastic protective sleeve 9 for being used to protect syringe needle, make in medical staff
When with puncture needle, protective case is removed.
Concrete operating principle: the utility model disposable safety vein puncture needle device mainly includes the first puncture seat 2,
Two puncture seat 4, puncture needle 1, protection compressed spring 3 and control structure.Wherein first puncture seat 2, puncture needle 1, protection compression
Spring 3 is arranged in the second puncture seat 4.Puncture needle 1 is connected with the first puncture seat 2, and first punctures seat 2 and protection compressed spring
3 are connected, and are controlled in the second puncture seat 4 by the way that the control structure matched on the first puncture seat 2 and the second puncture seat 4 is arranged in
Protection compressed spring 3.For medical staff after having used disposable safety vein puncture needle, unlock control structure promotes protection to press
Contracting spring 3 drives first to puncture seat 2 and moves during restoring original state, and first, which punctures seat 2, drives puncture needle 1 together
42 direction of the second hatch frame for puncturing seat 4 towards second moves, so that puncture needle head is retracted within protection compressed spring 3
In.
This disposable safety vein puncture needle device is also mountable on syringe needle.
Obviously, above-described embodiment of the utility model patent is only intended to clearly illustrate made by the utility model patent
Citing, and it is not the restriction to the embodiment of the utility model patent.For those of ordinary skill in the art,
Other different forms of changes or modifications may be made based on the above description.There is no need and unable to all realities
The mode of applying is exhaustive.All any modifications made within the spirit and principle of the utility model patent and change equivalent replacement
Into etc., it should be included within the utility model scope of the claims.
Claims (9)
1. a kind of disposable safety vein puncture needle device, it is characterised in that: punctured including puncture needle (1), moveable first
Seat (2), the protection compressed spring (3) for pushing the first puncture seat (2) movement and protection puncture needle (1) syringe needle, second puncture
Seat (4), end cap (5), the puncture needle (1) puncture seat (2) with first and connect, and the protection compressed spring (3) punctures with first
Seat (2) connection；Described device further includes for controlling the flexible control structure of protection compressed spring (3)；The end cap (5) and the
Two, which puncture seat (4), detachably cooperates, and described first punctures seat (2) connect with the second puncture seat (4)；
Control structure control protection compressed spring (3) reinstatement state, protection compressed spring (3) push first to puncture seat (2) and move
Dynamic, first, which punctures seat (2), pulls puncture needle (1) to retreat, and puncture needle (1) syringe needle retraction is protected in compressed spring (3).
2. disposable safety vein puncture needle device according to claim 1, it is characterised in that: described second punctures seat
(4) inner hollow, second puncture seat (4) both ends are each provided with the first hatch frame (41), the second hatch frame (42), protection pressure
Contracting spring (3), the first puncture seat (2), puncture needle (1) are arranged in the second puncture seat (4), and protection compressed spring (3) is separate
First hatch frame (41) end is connected with the first puncture seat (2), the other end is connected with end cap (5), and the end cap (5) is opened with first
Mouth structure (41) detachably cooperates.
3. disposable safety vein puncture needle device according to claim 2, it is characterised in that: described second punctures seat
(4) internal by placing the first puncture seat (2), first chamber (43), the second chamber (44) of compressed spring (3) being protected to constitute；The
The internal diameter of one chamber (43) is identical as protection compressed spring (3) size, the outer diameter of first chamber (43) and end cap (5)
Size it is identical.
4. disposable safety vein puncture needle device according to any one of claims 1 to 3, it is characterised in that: described
One, which punctures seat (2), passes through bayonet unit locking with the second puncture seat (4)；The control structure includes setting in the second puncture seat
(4) control button (6) on.
5. disposable safety vein puncture needle device according to claim 4, it is characterised in that: described first punctures seat
(2) the locking clamp retaining ring (7) that the control button (6) for puncturing seat (4) with second matches is provided on.
6. disposable safety vein puncture needle device according to any one of claims 1 to 3, it is characterised in that: the guarantor
The length value for protecting compressed spring (3) original state is 1cm ~ 2cm longer than the length value of puncture needle (1).
7. disposable safety vein puncture needle device according to claim 3, it is characterised in that: described first punctures seat
(2) shape matches with second chamber (44) shape.
8. disposable safety vein puncture needle device according to claim 1, it is characterised in that: in the end cap (5)
Heart position is provided with the centre bore (8) passed through by puncture needle (1), the size of the centre bore (8) and the outer diameter ruler of puncture needle (1)
It is very little identical.
9. disposable safety vein puncture needle device according to claim 1, it is characterised in that: the puncture needle (1) is also
It is used equipped with removably in puncture needle preceding for protecting the plastic protective sleeve (9) of syringe needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039082.6U CN208741648U (en) | 2017-08-18 | 2017-08-18 | Disposable safety vein puncture needle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039082.6U CN208741648U (en) | 2017-08-18 | 2017-08-18 | Disposable safety vein puncture needle device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208741648U true CN208741648U (en) | 2019-04-16 |
Family
ID=66051532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721039082.6U Active CN208741648U (en) | 2017-08-18 | 2017-08-18 | Disposable safety vein puncture needle device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208741648U (en) |
-
2017
- 2017-08-18 CN CN201721039082.6U patent/CN208741648U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |