CN208081604U - Retraction type intravenous infusion needle - Google Patents
Retraction type intravenous infusion needle Download PDFInfo
- Publication number
- CN208081604U CN208081604U CN201721132297.2U CN201721132297U CN208081604U CN 208081604 U CN208081604 U CN 208081604U CN 201721132297 U CN201721132297 U CN 201721132297U CN 208081604 U CN208081604 U CN 208081604U
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- CN
- China
- Prior art keywords
- housing
- wall
- needle
- intravenous infusion
- retraction
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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.)
- Withdrawn - After Issue
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model provides retraction type intravenous infusion needle, including needle assembly, sleeve and retraction type component, needle assembly includes venipuncture needle and intravenous infusion needle, intravenous infusion needle rear end is fixed on vein needle stand, venipuncture needle sequentially passes through the silica gel plug of sleeve inner, vein needle stand enters inside intravenous infusion needle, the rear end of venipuncture needle is fixed on sleeve pedestal, retraction type component includes shell and retracting device, retracting device includes cylindrical positioning device and columnar retraction cylinder, the side of retraction cylinder lateral wall is connected with positioning device side wall, the other side of retraction cylinder is equipped with press handle, the both sides of the lower end outside wall of retraction cylinder are equipped with axis pin, it is respectively equipped on housing front wall and housing rear and the matched axis pin mounting hole of axis pin.The utility model is simple in structure, easy to use, safe, and the operation of the slow withdrawing venipuncture needle of nurse is substituted in primary pressing, time saving and energy saving.
Description
Technical field
The utility model belongs to medical instruments field, more particularly, to a kind of retraction type intravenous infusion needle.
Background technology
The application of intravenous infusion needle (vein detained needle) is the preferable method of clinical transfusion, on the one hand can be with
Mitigate the pain and the adult that can be adapted for long-term infusion that infant brings because scalp acupuncture punctures repeatedly.On the other hand also mitigate
The workload of clinical nurse.
According to statistics, it is the doctor that is wounded by stabbing caused by needle pricks that healthy medical worker, which suffers from Hematogenic infectious disease 80-90%,
Nurse accounts for 80% in business personnel, and safe infusion increasingly causes the attention of society and hospital, pushes prevention of infectious disease work, effectively
It avoids venous transfusion needle pricks to injury and cross-infection caused by medical staff, one is provided to patient and medical staff
Safe and healthy medical environment.
Application number：201510958397.X disclosing a kind of retraction type intravenous infusion needle, including conduit tube component, needle tubing component
And the infusion connector being connect with conduit tube component, conduit tube component include catheter block and conduit, catheter block is internally provided with cavity, needle
Tube assembly includes needle stand and puncture needle, and retraction type component is provided between catheter block and needle stand, and retraction type component includes inside
Protecting seat equipped with through-hole, setting stopper cavity and the lower through-hole of through-hole tail in through-hole, puncture needle sequentially pass through through-hole,
Cavity inside catheter block and conduit, the spring of setting compressive state in the radially setting spring groove of through-hole, spring groove
And stopper, spring one end offset with protecting seat, the other end offsets with stopper, and stopper can enter stopper cavity and hinder
It keeps off puncture needle and passes through through-hole.
Utility model content
The purpose of this utility model is to provide a kind of retraction type simple in structure, easy to operate, easy to use, safe
Intravenous infusion needle.
The technical solution of the utility model is：
Retraction type intravenous infusion needle, including needle assembly, sleeve and retraction type component, needle assembly include venipuncture needle
And intravenous infusion needle, the rear end of intravenous infusion needle are fixed on the vein needle stand of barrel forward end, sleeve inner is equipped with silica gel plug, set
Cylinder front end side wall is equipped with threeway needle stand, and the syringe needle of venipuncture needle sequentially passes through that silica gel plug, that vein needle stand enters vein is defeated
Inside liquid needle, the rear end of venipuncture needle is fixed on sleeve pedestal, and the retraction type component includes shell and is located in shell
The retracting device in portion, retracting device include cylindrical positioning device and columnar retraction cylinder, and the diameter for the cylinder that bounces back is more than set
The side of the diameter of cylinder, retraction cylinder lateral wall is connected with positioning device side wall, and the other side for the cylinder that bounces back is equipped with press handle, retraction
The both sides of the lower end outside wall of cylinder are equipped with the axis pin perpendicular to positioning device, and shell includes housing left side wall, housing front wall, shell
Rear wall and housing forward end end wall, housing front wall and housing rear are vertically disposed on the both sides of housing left side wall, housing front wall
It is equipped with sleeve hole with the matched axis pin mounting hole of axis pin, housing forward end end wall with being respectively equipped on housing rear, sleeve passes through
Sleeve hole is in contact with positioning device front end.
In use, pressing press handle, restoring device are rotated around axis pin, positioning device is detached with pedestal, venipuncture needle
It is entered in retraction cylinder in the effect of spring with sleeve pedestal.
It is connected smoothly between the retraction cylinder bottom wall and positioning device side wall.
It is connected smoothly between retraction cylinder bottom and positioning device side wall, resistance when restoring device is rotated around axis pin
It is small, smaller power is used only and presses press handle, so that it may to realize the rotation of club's device.
It is connected smoothly between housing front wall and housing rear lower edge and housing left side wall.
The bottom of shell is matched with the bottom of restoring device.
The housing left side wall be rectangle, housing forward end end wall be rectangle, the left side edge of housing forward end end wall with
Housing left side wall is connected, and the front and rear edges of housing forward end end wall is connected with housing front wall and housing rear respectively.
When not pressing press handle, the distance between the side wall of retraction cylinder side and housing left side wall gradually become from the bottom to top
Greatly.
The left side edge of the housing front wall and housing rear is connected with housing left side wall, the housing front wall and shell
It is arc-shaped side on the upside of the right side edge of rear wall, downside is the straight flange parallel with housing left side wall, the upper end of straight flange and arc-shaped side
Lower end be connected.
The upper end of the press handle is flush with straight flange upper end.
It is equipped with annular groove with the sleeve lateral wall that housing forward end end wall is flush.
The effect of annular groove is that the sleeve hole in vertical direction and housing forward end end wall coordinates, and prevents sleeve vertical
It moves up and down on direction.Shell and sleeve realize consolidating for vertical direction by the sleeve hole of annular groove and housing forward end end wall
It is fixed.
The positioning device front end side wall is equipped with positioning protrusion.
Sleeve pedestal is in contact condition with positioning protrusion, and when press handle is pinned, sleeve drops into shell retraction dress
In the retraction cylinder set, the function of retraction is realized.
The side wall of the sleeve pedestal is equipped with the strip parallel with sleeve axis, and the length of the strip is more than shell
The edge of the thickness of front end end wall, the sleeve hole is equipped with and the matched strip fixing groove of strip.
Strip passes through strip fixing groove, prevents sleeve from rotating in the horizontal direction, to realize the fixation of venipuncture needle.
The utility model has the advantages and positive effects of：The slow withdrawing vein of nurse is substituted in primary pressing press handle
The operation of puncture needle, easy to use, time saving and energy saving, venipuncture needle retraction directly arrives in retraction cylinder, can avoid stabbing, safety
Property it is high.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model retraction type intravenous infusion needle
Fig. 2 is the utility model retraction type intravenous infusion needle retracting device structural schematic diagram
Fig. 3 is the utility model retraction type intravenous infusion needle shell structure schematic diagram
Fig. 4 is the utility model retraction type intravenous infusion needle shell top view
In figure：
1, needle assembly 2, sleeve 3, restoring device 4, shell 11, pin hole
12, venipuncture needle 13, vein needle stand 14, threeway needle stand 15, transfusion catheter 16, hard hub
17, intravenous infusion needle 21, silica gel plug 22, spring 23, annular groove 24, sleeve pedestal
31, positioning protrusion 32, retraction cylinder 33, press handle 34, axis pin 35, positioning device
41, axis pin mounting hole 42, housing front wall 43, housing left side wall 44, housing forward end end wall 45, sleeve hole
46, strip fixing groove 47, arc-shaped side 48, straight flange
Specific implementation mode
As shown in Figs 1-4, the utility model retraction type intravenous infusion needle, including needle assembly 1, sleeve 2 and retraction type group
Part, needle assembly 1 include venipuncture needle 12 and intravenous infusion needle 17, and the rear end of intravenous infusion needle 17 is fixed on 2 front end of sleeve
Vein needle stand 13 on, sleeve 2 is internally provided with silica gel plug 21, and 2 front end side wall of sleeve is equipped with threeway needle stand 14, venipuncture needle
12 syringe needle sequentially passes through silica gel plug 21, vein needle stand 13 enters inside intravenous infusion needle 17, the rear end of venipuncture needle 12
It is fixed on sleeve pedestal 24, retraction type component includes shell 4 and the retracting device inside shell 4, and retracting device includes
The diameter of cylindrical positioning device 35 and columnar retraction cylinder 32, retraction cylinder 32 is more than the diameter of sleeve 2, bounces back outside cylinder 32
The side of side wall is connected with 35 side wall of positioning device, and the other side of retraction cylinder 32 is equipped with press handle 33, the lower end for the cylinder 32 that bounces back
The both sides of lateral wall are equipped with the axis pin 34 perpendicular to positioning device 35, and shell 4 includes housing left side wall 43, housing front wall 42, shell
Body rear wall and housing forward end end wall 44, housing front wall 42 and housing rear are vertically disposed on the both sides of housing left side wall 43,
It is respectively equipped on housing front wall 42 and housing rear and is equipped with 34 matched axis pin mounting hole 41 of axis pin, housing forward end end wall 44
Sleeve hole 45, sleeve 2 are in contact across sleeve hole 45 with 35 front end of positioning device.
It is connected smoothly between retraction 32 bottom wall of cylinder and 35 side wall of positioning device.
It is with matching, the company of seamlessly transitting between housing front wall 42 and housing rear lower edge and housing left side wall 43
It connects.
As shown in figure 4, housing left side wall 43 is rectangle, housing forward end end wall 44 is rectangle, housing forward end end wall 44
Left side edge be connected with housing left side wall 43, the front and rear edges of housing forward end end wall 44 respectively with housing front wall 42 and shell
Rear wall is connected.
The left side edge of housing front wall 42 and housing rear is connected with housing left side wall 43, after housing front wall 42 and shell
Be arc-shaped side 47 on the upside of the right side edge of wall, downside is the straight flange 48 parallel with housing left side wall 43, the upper end of straight flange 48 with
The lower end of arc-shaped side 47 is connected.The upper end of press handle 33 is flush with 47 upper end of straight flange.
2 side wall of sleeve being flush with housing forward end end wall 44 is equipped with annular groove 23.Annular groove 23 can prevent
Sleeve 2 moves in vertical direction.
As shown in figure 4,35 front end side wall of positioning device is equipped with positioning protrusion 31.
The strip parallel with 2 axis of sleeve is equipped on the side wall of sleeve pedestal 24, the length of strip is more than before shell
Hold the thickness of end wall 44, the edge of sleeve hole 45 is equipped with and the matched strip fixing groove of strip 46.Strip is fixed across strip
Slot 46 is arranged, and prevents sleeve 2 from rotating in the horizontal direction, to realize the fixation of venipuncture needle 12.
The course of work of this example：Press handle 33 is pressed when use, retracting device 3 is rotated around axis pin 34, positioning device
35 detach with sleeve pedestal 24, and sleeve pedestal 24 enters retraction cylinder 32 with venipuncture needle 12 together in the effect of spring 22
It is interior.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all still belong within the patent covering scope of the utility model.
Claims (9)
1. retraction type intravenous infusion needle, including needle assembly, sleeve and retraction type component, needle assembly include venipuncture needle and
The rear end of intravenous infusion needle, intravenous infusion needle is fixed on the vein needle stand of barrel forward end, and sleeve inner is equipped with silica gel plug, sleeve
Front end side wall is equipped with threeway needle stand, and the syringe needle of venipuncture needle sequentially passes through silica gel plug, vein needle stand enters venous transfusion
Inside needle, the rear end of venipuncture needle is fixed on sleeve pedestal, the retraction type component include shell and be located at enclosure interior
Retracting device, retracting device includes cylindrical positioning device and columnar retraction cylinder, and the diameter for the cylinder that bounces back is more than sleeve
Diameter, the side of retraction cylinder lateral wall is connected with positioning device side wall, and the other side of the cylinder that bounces back is equipped with press handle, retraction cylinder
The both sides of lower end outside wall be equipped with the axis pin perpendicular to positioning device, after shell includes housing left side wall, housing front wall, shell
Wall and housing forward end end wall, housing front wall and housing rear are vertically disposed on the both sides of housing left side wall, housing front wall and
It is respectively equipped on housing rear and is equipped with sleeve hole with the matched axis pin mounting hole of axis pin, housing forward end end wall, sleeve passes through set
Bore is in contact with positioning device front end.
2. the retraction type intravenous infusion needle according to claim l, it is characterised in that：The retraction cylinder bottom wall and positioning device
It is connected smoothly between side wall.
3. retraction type intravenous infusion needle according to claim 2, it is characterised in that：Housing front wall and housing rear lower side
It is connected smoothly between edge and housing left side wall.
4. according to the retraction type intravenous infusion needle described in claim 1-3 any one, it is characterised in that：The housing left side wall
For rectangle, housing forward end end wall is rectangle, and the left side edge of housing forward end end wall is connected with housing left side wall, before shell
The front and rear edges of end end wall is connected with housing front wall and housing rear respectively.
5. retraction type intravenous infusion needle according to claim 4, it is characterised in that：The housing front wall and housing rear
Left side edge is connected with housing left side wall, is arc-shaped side, downside on the upside of the right side edge of the housing front wall and housing rear
For the straight flange parallel with housing left side wall, the upper end of straight flange is connected with the lower end of arc-shaped side.
6. retraction type intravenous infusion needle according to claim 5, it is characterised in that：On the upper end and straight flange of the press handle
End is flush.
7. retraction type intravenous infusion needle according to claim 6, it is characterised in that：The set being flush with housing forward end end wall
Cylinder side wall is equipped with annular groove.
8. retraction type intravenous infusion needle according to claim 7, it is characterised in that：It is set in the positioning device front end side wall
There is positioning protrusion.
9. retraction type intravenous infusion needle according to claim 8, it is characterised in that：The side wall of the sleeve pedestal is equipped with
The strip parallel with sleeve axis, the length of the strip are more than the thickness of housing forward end end wall, the edge of the sleeve hole
Equipped with the matched strip fixing groove of strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132297.2U CN208081604U (en) | 2017-09-05 | 2017-09-05 | Retraction type intravenous infusion needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132297.2U CN208081604U (en) | 2017-09-05 | 2017-09-05 | Retraction type intravenous infusion needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208081604U true CN208081604U (en) | 2018-11-13 |
Family
ID=64067424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721132297.2U Withdrawn - After Issue CN208081604U (en) | 2017-09-05 | 2017-09-05 | Retraction type intravenous infusion needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208081604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469190A (en) * | 2017-09-05 | 2017-12-15 | 山东威高集团医用高分子制品股份有限公司 | Retraction type intravenous infusion needle |
-
2017
- 2017-09-05 CN CN201721132297.2U patent/CN208081604U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469190A (en) * | 2017-09-05 | 2017-12-15 | 山东威高集团医用高分子制品股份有限公司 | Retraction type intravenous infusion needle |
| CN107469190B (en) * | 2017-09-05 | 2024-01-26 | 山东威高集团医用高分子制品股份有限公司 | Retractable intravenous infusion needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181113 Effective date of abandoning: 20230919 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181113 Effective date of abandoning: 20230919 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |