CN213432309U - Safe insulin injection needle - Google Patents
Safe insulin injection needle Download PDFInfo
- Publication number
- CN213432309U CN213432309U CN202021419430.4U CN202021419430U CN213432309U CN 213432309 U CN213432309 U CN 213432309U CN 202021419430 U CN202021419430 U CN 202021419430U CN 213432309 U CN213432309 U CN 213432309U
- Authority
- CN
- China
- Prior art keywords
- hollow
- movable rod
- shell
- injection needle
- fixedly connected
- 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
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000002347 injection Methods 0.000 title claims abstract description 34
- 239000007924 injection Substances 0.000 title claims abstract description 34
- 102000004877 Insulin Human genes 0.000 title claims abstract description 21
- 108090001061 Insulin Proteins 0.000 title claims abstract description 21
- 229940125396 insulin Drugs 0.000 title claims abstract description 21
- 229940127560 insulin pen Drugs 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 210000003781 tooth socket Anatomy 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to a safe insulin injection needle belongs to medical instrument's technical field. The insulin pen combined sleeve comprises a shell, an insulin pen combined sleeve and a fixing device, wherein a through hole is formed in the shell, and the fixing device is fixedly connected to the inner wall of the shell; the fixing device comprises a hollow block and a movable rod, the hollow block is fixedly connected with the shell, a hollow clamp ring with the outer diameter smaller than that of the hollow block is sleeved in the hollow block, one end of the movable rod penetrates through the hollow clamp ring and is connected with the shell through a first spring, the inner diameter of the hollow clamp ring is larger than that of the movable rod, the outer surface of one side of the hollow clamp ring is connected with the hollow block through a second spring, and the outer surface of the other side of the hollow clamp ring is fixedly connected with a push rod penetrating through the hollow block; and one end of the injection needle penetrates through the movable rod and is fixedly connected with the movable rod. The utility model provides an insulin syringe needle when taking and when taking off easily be pricked the scheduling problem.
Description
Technical Field
The utility model relates to a safe insulin injection needle belongs to medical instrument's technical field.
Background
An insulin injection needle is generally matched with an insulin injection pen for use, one end of the traditional insulin injection needle penetrates through a needle sleeve to be exposed outside, and is easy to puncture when being taken out and stored, while the needle at the other end is hidden in the needle sleeve, so that the insulin injection needle is convenient to be matched with the insulin pen on the one hand, and on the other hand, the risk of puncture is reduced.
Prior art application number is CN 201920127224.7's patent document discloses a safe type insulin pen syringe needle, including the needle cover, be provided with the round hole on the top inner wall of needle cover, equal sliding connection has the movable plate on the both sides inner wall of needle cover, the top welding of movable plate has first spring, the top of first spring and the top inner wall fixed connection of needle cover, the bottom fixed mounting of two movable plates has same needle file, the top of needle file is provided with the steel needle, the top of steel needle runs through the round hole and extends to the top of needle cover, be provided with the rectangular hole on the inner wall of one side of needle cover, sliding connection has same backup pad on the both sides inner wall of rectangular hole.
The utility model provides an insulin syringe needle when taking and when taking off easily be pricked the scheduling problem.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects that the prior insulin injection needle is easily punctured when being taken out and taken down, the utility model designs a safe insulin injection needle.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a safe insulin injection needle comprises a shell, an insulin pen combination sleeve and a fixing device, wherein the shell is provided with a through hole, and the fixing device is fixedly connected to the inner wall of the shell; the fixing device comprises a hollow block and a movable rod, the hollow block is fixedly connected with the shell, a hollow snap ring with the outer diameter smaller than that of the hollow block is sleeved in the hollow block, one end of the movable rod penetrates through the hollow snap ring and is connected with the shell through a first spring, the inner diameter of the hollow snap ring is larger than that of the movable rod, a tooth block is arranged on the hollow inner surface of the hollow snap ring, a tooth groove corresponding to the tooth block is formed in one side of the rod body of the movable rod, the outer surface of one side of the hollow snap ring is connected with the hollow block through a second spring, and the outer surface of the other side of the hollow snap ring is fixedly; and one end of the injection needle penetrates through the center of the movable rod and is fixedly connected with the movable rod.
The one end fixedly connected with insulin pen that the through-hole was kept away from to the movable rod combines the cover, the syringe needle passes insulin pen respectively and combines cover and movable rod.
The shell is made of high polymer polypropylene material.
One end of the injection needle, which is far away from the movable rod, is positioned in the shell.
Compared with the prior art the utility model discloses there are following characteristics and beneficial effect:
the utility model discloses be equipped with fixing device, can push away the export with the syringe needle at insulin injection pen and block the movable rod and make it fixed, can remove the locking again after using the completion, make the syringe needle get back to in the casing under the effect of first spring, whole hand does not have with the syringe needle and removes, has avoided the risk of stabbing.
Drawings
Fig. 1 is a partial cross-sectional view of the present invention prior to use;
fig. 2 is a partial cross-sectional view of the present invention in use.
Wherein the reference numerals are: 10. a housing; 11. a first spring; 12. a through hole; 20. an injection needle; 30. an insulin pen coupling sleeve; 40. a fixing device; 41. a hollow block; 42. a hollow snap ring; 421. a tooth block; 43. a movable rod; 431. a tooth socket; 44. a push rod; 45. a second spring.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-2, the safety insulin injection needle of the present embodiment comprises a housing 10, an insulin pen coupling sleeve 30 and a fixing device 40, wherein the housing 10 is provided with a through hole 12, and the fixing device 40 is fixedly connected to the inner wall of the housing 10; the fixing device 40 comprises a hollow block 41 and a movable rod 43, the hollow block 41 is fixedly connected with the shell 10, a hollow clamping ring 42 with the outer diameter smaller than that of the hollow block 41 is sleeved in the hollow block 41, one end of the movable rod 43 penetrates through the hollow clamping ring 42 and is connected with the shell 10 through a first spring 11, the inner diameter of the hollow clamping ring 42 is larger than that of the movable rod 43, a tooth block 421 is arranged on the hollow inner surface of the hollow clamping ring 42, a tooth groove 431 corresponding to the tooth block 421 is arranged on one side of the rod body of the movable rod 43, the outer surface of one side of the hollow clamping ring 42 is connected with the hollow block 41 through a second spring 45, and the outer surface of the other side of; the injection needle 20 is also included, one end of the injection needle 20 passes through the center of the movable rod 43 and is fixedly connected with the movable rod 43.
Further, an insulin pen coupling sleeve 30 is fixedly connected to an end of the movable rod 43 away from the through hole 12, and the injection needle 20 passes through the insulin pen coupling sleeve 30 and the movable rod 43, respectively.
Further, the housing 10 is made of a high polymer polypropylene material.
Further, the end of the injection needle 20 remote from the activating bar 43 is located in the housing 10.
The utility model discloses a theory of operation: when the insulin injection pen is used, the insulin injection pen props against the insulin pen combination sleeve 30 and pushes the movable rod 43 to move, the movable rod 43 drives the injection needle 20 to penetrate out of the through hole 12, the first spring 11 is compressed at the moment, and after the injection needle 20 reaches a preset height, the second spring 45 props the tooth block 421 on the hollow clamping ring 42 into the tooth socket 431 to clamp the movable rod 43;
after the injection is completed, the push rod 44 is pressed, the push rod 44 pushes the hollow snap ring 42 to return, the second spring 45 is compressed, the locking is released, the movable rod 43 returns under the action of the first spring 11, and the injection needle 20 is retracted into the shell.
It is to be understood that the embodiments described are only some embodiments of the invention, and 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.
Claims (4)
1. A safety insulin injection needle characterized in that: the insulin pen combined sleeve comprises a shell (10), an insulin pen combined sleeve (30) and a fixing device (40), wherein a through hole (12) is formed in the shell (10), and the fixing device (40) is fixedly connected to the inner wall of the shell (10);
the fixing device (40) comprises a hollow block (41) and a movable rod (43), the hollow block (41) is fixedly connected with the shell (10), a hollow clamping ring (42) with the outer diameter smaller than that of the hollow block (41) is sleeved in the hollow block (41), one end of the movable rod (43) penetrates through the hollow clamping ring (42), and is connected with the shell (10) through a first spring (11), the inner diameter of the hollow snap ring (42) is larger than that of the movable rod (43), the hollow inner surface of the hollow snap ring (42) is provided with a tooth block (421), one side of the movable rod (43) is provided with a tooth socket (431) corresponding to the tooth block (421), the outer surface of one side of the hollow clamping ring (42) is connected with the hollow block (41) through a second spring (45), and the outer surface of the other side of the hollow clamping ring (42) is fixedly connected with a push rod (44) penetrating through the hollow block (41);
the injection needle (20) is further included, and one end of the injection needle (20) penetrates through the center of the movable rod (43) and is fixedly connected with the movable rod (43).
2. A safety insulin injection needle according to claim 1, wherein: one end fixedly connected with insulin pen combines cover (30) of through-hole (12) is kept away from in movable rod (43), insulin pen combines cover (30) and movable rod (43) are passed respectively in syringe needle (20).
3. A safety insulin injection needle according to claim 1, wherein: the shell (10) is made of high polymer polypropylene materials.
4. A safety insulin injection needle according to claim 1, wherein: the end of the injection needle (20) far away from the movable rod (43) is positioned in the shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021419430.4U CN213432309U (en) | 2020-07-19 | 2020-07-19 | Safe insulin injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021419430.4U CN213432309U (en) | 2020-07-19 | 2020-07-19 | Safe insulin injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213432309U true CN213432309U (en) | 2021-06-15 |
Family
ID=76306240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021419430.4U Expired - Fee Related CN213432309U (en) | 2020-07-19 | 2020-07-19 | Safe insulin injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213432309U (en) |
-
2020
- 2020-07-19 CN CN202021419430.4U patent/CN213432309U/en not_active Expired - Fee Related
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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: 20210615 |