CN213489533U - Multifunctional injection needle tube - Google Patents
Multifunctional injection needle tube Download PDFInfo
- Publication number
- CN213489533U CN213489533U CN202021924293.XU CN202021924293U CN213489533U CN 213489533 U CN213489533 U CN 213489533U CN 202021924293 U CN202021924293 U CN 202021924293U CN 213489533 U CN213489533 U CN 213489533U
- Authority
- CN
- China
- Prior art keywords
- needle tube
- fixedly connected
- piston
- rod
- puncture
- 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
- 238000002347 injection Methods 0.000 title claims abstract description 28
- 239000007924 injection Substances 0.000 title claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000003814 drug Substances 0.000 abstract description 8
- 210000001525 retina Anatomy 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 5
- 230000002207 retinal effect Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of injection needle tubes, and discloses a multifunctional injection needle tube, which comprises an outer needle tube, an inner needle tube, a piston rod, a piston and a pressing block, wherein a convex block is arranged at the lower right corner of the outer needle tube, the inner side of the outer needle tube is connected with the inner needle tube through a connecting rod, the inner part of the inner needle tube is provided with the piston, the upper end of the piston is fixedly connected with the piston rod, the upper end of the piston rod is fixedly connected with the pressing block, the bottom of the inner needle tube is fixedly connected with an injection needle head, the outer side of the injection needle head is movably sleeved with a puncture needle head, one side of the puncture needle head is fixedly connected with a telescopic rod, the lower end of the telescopic rod is fixedly connected with a push rod, the push rod extends to the outer part of the outer needle tube, solves the problems that the puncture hole is difficult to find and the retina of the mouse is easy to be damaged when the medicament is injected.
Description
Technical Field
The utility model relates to an injection needle tubing technical field specifically is a multi-functional injection needle tubing.
Background
When injecting medicine into the lower retinal cavity of a mouse, the prior art uses two independent needle tubes, firstly uses a puncture needle tube to puncture the lower retinal cavity of the mouse, and then uses an injection needle tube to insert into the puncture to inject the medicine, but during injection, the former puncture is difficult to find, and the retina of the mouse is easy to be damaged in the process of finding the puncture, so that the defects are solved by a multifunctional injection needle tube urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a multi-functional injection needle pipe has solved the problem that is difficult to look for the puncture hole and injure the mouse retina easily when injecting the medicament.
The utility model provides a following technical scheme: a multifunctional injection needle tube comprises an outer needle tube, an inner needle tube, a piston rod, a piston and a pressing block, wherein a convex block is arranged at the lower right corner of the outer needle tube, the inner side of the outer needle tube is connected with the inner needle tube through a connecting rod, the piston is arranged inside the inner needle tube, the upper end of the piston is fixedly connected with the piston rod, the upper end of the piston rod is fixedly connected with the pressing block, the bottom of the inner needle tube is fixedly connected with an injection needle head, the outer side of the injection needle head is movably sleeved with a puncture needle head, one side of the puncture needle head is fixedly connected with a telescopic rod, the lower end of the telescopic rod is fixedly connected with a push rod, the push rod extends to the outer part of the outer needle tube, a compression spring is wound on the telescopic rod, the right end of the telescopic, the right-hand member fixedly connected with extrusion button of push pedal, turn right from a left side and pass lug and sleeve pipe in proper order and extend to the outside of extrusion button's right-hand member.
Preferably, the push plate can move left and right inside the bump.
Preferably, the sum of the widths of the slider and the push plate is exactly equal to the width of the bump.
Preferably, the number of the connecting rods is four.
Preferably, the puncture needle head is tightly attached to the bottom of the outer needle tube but not connected with the bottom of the outer needle tube.
Preferably, the push rod is located below the squeeze button.
Compared with the prior art, the utility model discloses possess following beneficial effect:
the utility model discloses convenient to use, puncture needle head and syringe needle adopt the integral type design, through setting up telescopic link, compression spring, slider, push rod, push pedal, lug, extrusion button and sleeve pipe, utilize the mutually supporting effect between them to be difficult to look for the puncture hole and damage the problem of mouse retina easily when having solved the injection medicament.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the puncture needle of the present invention in a retracted configuration;
fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
In the figure: 1. an outer needle tube; 2. a connecting rod; 3. an inner needle tube; 4. a piston rod; 5. a pressing block; 6. a piston; 7. an injection needle; 8. a puncture needle head; 9. a telescopic rod; 10. a compression spring; 11. a slider; 12. a push rod; 13. pushing the plate; 14. pressing the button; 15. a sleeve; 16. and (4) a bump.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a multifunctional injection needle tube comprises an outer needle tube 1, an inner needle tube 3, a piston rod 4, a piston 6 and a pressing block 5, wherein a convex block 16 is arranged near the lower right corner of the outer needle tube 1, the inner side of the outer needle tube 1 is connected with the inner needle tube 3 through a connecting rod 2, the piston 6 is arranged inside the inner needle tube 3, the upper end of the piston 6 is fixedly connected with the piston rod 4, the upper end of the piston rod 4 is fixedly connected with the pressing block 5, the bottom of the inner needle tube 3 is fixedly connected with an injection needle 7, the outer side of the injection needle 7 is movably sleeved with a puncture needle 8, one side of the puncture needle 8 is fixedly connected with a telescopic rod 9, the lower end of the telescopic rod 9 is fixedly connected with a push rod 12, the push rod 12 extends to the outside of the outer needle tube 1, the telescopic rod 9 is wound, the right side of slider 11 is provided with push pedal 13, the right-hand member fixedly connected with extrusion button 14 of push pedal 13, the right-hand member of extrusion button 14 is from a left side to right side and is passed lug 16 and sleeve pipe 15 in proper order and extend to the outside, utilize the mutually supporting effect between them, thereby the problem of being difficult to look for the puncture hole and damaging the mouse retina easily when having solved injection medicament, push pedal 13 can be controlled about the inside of lug 16, the width sum of slider 11 and push pedal 13 just in time equals with lug 16's width, the quantity of connecting rod 2 sets up to four, puncture needle 8 closely laminates but not continuous with the bottom of outer needle tubing 1, push rod 12 is located extrusion button 14's below.
The utility model discloses a theory of operation and use flow: when a puncture hole needs to be punctured in a lower cavity of a retina of a mouse, the puncture needle 8 is used for puncturing the puncture hole, after the puncture is finished, the extrusion button 14 is pressed to drive the push plate 13 to move leftwards, the slide block 11 is driven to move leftwards to extrude the telescopic rod 9 to contract, the compression spring 10 is simultaneously extruded, the extrusion button 14 is pressed, meanwhile, the other finger upwards pulls the push rod 12, the slide block 11 moves upwards along the side wall of the outer needle tube 1, the telescopic rod 9 is connected with the slide block 11, the telescopic rod 9 drives the puncture needle 8 to move upwards along the injection needle 7 to contract, the injection needle 7 extends out, after the injection needle 7 extends out, the extrusion button 14 and the push rod 12 are loosened, the position of the puncture needle 8 is fixed by the extrusion elasticity of the compression spring 10, then the piston 6 is driven to move downwards by the pressing block 5 and the piston rod 4, so that medicine in, medicine is injected into the puncture hole of the lower cavity of the retina of the mouse through the injection needle head 7, when the puncture needle head 8 needs to be reset, the puncture needle head 8 is grabbed and pulled downwards with force of a hand, so that the sliding block 11 moves downwards to reach the protruding block 16, the sliding block 11 enters the protruding block 16, the compression spring 10 releases pressure and drives the sliding block 11 to move rightwards through the telescopic rod 9, the sliding block 11 is clamped in the protruding block 16, and the extrusion button 14 resets.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A multifunctional injection needle tube comprises an outer needle tube (1), an inner needle tube (3), a piston rod (4), a piston (6) and a pressing block (5), and is characterized in that; a bump (16) is arranged near the lower right corner of the outer needle tube (1), the inner side of the outer needle tube (1) is connected with the inner needle tube (3) through a connecting rod (2), a piston (6) is arranged inside the inner needle tube (3), a piston rod (4) is fixedly connected to the upper end of the piston (6), a pressing block (5) is fixedly connected to the upper end of the piston rod (4), an injection needle (7) is fixedly connected to the bottom of the inner needle tube (3), a puncture needle (8) is movably sleeved on the outer side of the injection needle (7), a telescopic rod (9) is fixedly connected to one side of the puncture needle (8), a push rod (12) is fixedly connected to the lower end of the telescopic rod (9), the push rod (12) extends to the outside of the outer needle tube (1), a compression spring (10) is wound on the telescopic rod (9), and a slide block (11) is fixedly connected to the, slider (11) set up the inside at lug (16), the right side of slider (11) is provided with push pedal (13), the right-hand member fixedly connected with extrusion button (14) of push pedal (13), turn right from a left side and pass lug (16) and sleeve pipe (15) in proper order and extend to the outside of the right-hand member of extrusion button (14).
2. A multi-functional syringe according to claim 1, characterized in that: the push plate (13) can move left and right in the bump (16).
3. A multi-functional syringe according to claim 1, characterized in that: the sum of the widths of the sliding block (11) and the push plate (13) is exactly equal to the width of the bump (16).
4. A multi-functional syringe according to claim 1, characterized in that: the number of the connecting rods (2) is four.
5. A multi-functional syringe according to claim 1, characterized in that: the puncture needle head (8) is tightly attached to the bottom of the outer needle tube (1) but not connected with the bottom of the outer needle tube.
6. A multi-functional syringe according to claim 1, characterized in that: the push rod (12) is positioned below the squeeze button (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021924293.XU CN213489533U (en) | 2020-09-07 | 2020-09-07 | Multifunctional injection needle tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021924293.XU CN213489533U (en) | 2020-09-07 | 2020-09-07 | Multifunctional injection needle tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213489533U true CN213489533U (en) | 2021-06-22 |
Family
ID=76444967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021924293.XU Expired - Fee Related CN213489533U (en) | 2020-09-07 | 2020-09-07 | Multifunctional injection needle tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213489533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663177A (en) * | 2021-08-09 | 2021-11-19 | 上海埃斯埃医疗技术有限公司 | Percutaneous anhydrous alcohol injection needle |
-
2020
- 2020-09-07 CN CN202021924293.XU patent/CN213489533U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663177A (en) * | 2021-08-09 | 2021-11-19 | 上海埃斯埃医疗技术有限公司 | Percutaneous anhydrous alcohol injection needle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20210622 |