CN209771028U - A syringe needle for insulin pen - Google Patents
A syringe needle for insulin pen Download PDFInfo
- Publication number
- CN209771028U CN209771028U CN201821988032.7U CN201821988032U CN209771028U CN 209771028 U CN209771028 U CN 209771028U CN 201821988032 U CN201821988032 U CN 201821988032U CN 209771028 U CN209771028 U CN 209771028U
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- China
- Prior art keywords
- needle
- sliding connection
- head
- pull ring
- connection part
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Abstract
The utility model discloses a needle head for an insulin pen, which comprises a needle seat, a needle head, a protector and a clamping pull ring; the needle base comprises a pen cap part, the pen cap part is in threaded fit with the end part of the insulin pen, the front end of the pen cap part is fixedly connected with a sliding connection part, the sliding connection part is in a columnar shape and is coaxial with the needle head, and the head end and the tail end of the sliding connection part are both provided with first limiting rings; the protector comprises a body, the body is in a tubular shape and is coaxial with a needle, the tail end of the body is sleeved in the middle of the sliding connection portion, a second limiting ring matched with the first limiting ring is arranged on the inner wall of the tail end of the body, the head end of the body is fixedly connected with an outlet portion of the needle, the outlet portion of the needle is a round table and is coaxial with the needle, the large end of the outlet portion of the needle is fixedly connected with the body, the outlet portion of the needle is provided with a through hole matched with the needle, a spring is arranged between the outlet portion of the. The utility model discloses can reduce the probability that personnel were stabbed, improve the security performance before the syringe needle uses, conveniently observe the syringe needle situation.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a syringe needle for insulin pen.
Background
Diabetes is a disease caused by insulin secretion defect or impaired biological action, and with the continuous development of science and technology, for diabetic patients with serious illness, insulin can be injected by self-injection by using an insulin pen, so that the use is convenient. The existing insulin pen is composed of a replaceable medicine core, a medicine pushing pen, a needle and the like. Needles are usually disposable consumables and risk puncture both before and after injection.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a syringe needle for insulin pen can reduce the probability that personnel were stabbed, improves the security performance before the syringe needle uses, conveniently observes the syringe needle situation.
In order to achieve the purpose, the utility model adopts the following technical proposal to realize:
The utility model discloses a needle head for an insulin pen, which comprises a needle seat, a needle head, a protector and a clamping pull ring; the needle head penetrates through the center of the needle seat and is fixedly connected with the needle seat; the needle base comprises a pen cap part, the pen cap part is in threaded fit with the end part of the insulin pen, the front end of the pen cap part is fixedly connected with a sliding connection part, the sliding connection part is in a columnar shape and is coaxial with the needle head, and the head end and the tail end of the sliding connection part are both provided with first limiting rings; the protector comprises a body, the body is in a tubular shape coaxially arranged with a needle, the tail end of the body is sleeved in the middle of the sliding connection part, a second limiting ring matched with the first limiting ring is arranged on the inner wall of the tail end of the body, the head end of the body is fixedly connected with a needle outlet part, the needle outlet part is a round table coaxially arranged with the needle, the large end of the needle outlet part is fixedly connected with the body, the needle outlet part is provided with a through hole matched with the needle, a spring is arranged between the needle outlet part and the sliding connection part, and when the spring is in a loose state, the head end of the needle is positioned in the middle of; the clamping pull ring is detachably sleeved on the sliding connection part and is positioned between the tail end of the protector and the tail end of the sliding connection part.
Preferably, the side wall of the body is uniformly provided with observation through holes along the circumferential direction.
Preferably, the body inner wall evenly sets up the guide rail along circumference, the guide rail is on a parallel with the syringe needle center pin, set up the spout with the guide rail adaptation on the first spacing ring of sliding connection portion head end.
Preferably, the clamping pull ring comprises a clamping part and a pull ring part, and the clamping part is a C-shaped pipe.
preferably, the engaging portion is made of an elastic material.
Preferably, one end of the pull ring part is hinged with the outer wall of the pull ring part.
Preferably, the pen cap further comprises a protective cover, and the protective cover is in threaded connection with the outer wall of the rear end of the pen cap part.
The utility model has the advantages that:
1. The utility model discloses because the chucking pull ring is fixed with the protection part before the use, can reduce the risk of being stabbed before the use.
2. The utility model discloses dismantle the chucking pull ring when using, because the syringe needle export department is the less round platform type of head, can make things convenient for the patient direct aim at the position that needs the injection.
3. The utility model discloses dismantle the chucking pull ring when using, contract back after the contact skin of syringe needle exit portion, the syringe needle gets into the human body and injects, and after the injection, the syringe needle is not exposed to human outer syringe needle exit portion assurance syringe needle all the time.
4. the utility model discloses owing to set up the observation through-hole, can conveniently inspect the syringe needle condition before the use, reduce unexpected emergence.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the protector;
Figure 3 is a top view of the gripping tab.
In the figure: 1-needle head, 2-sliding connection part, 3-cap part, 4-body, 5-needle head outlet part, 6-second limit ring, 7-clamping pull ring, 8-spring, 9-protective cover, 10-observation through hole, 11-pull ring part, 12-first limit ring and 13-clamping part.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model comprises a needle base, a needle head 1, a protector and a tension pull ring 7; the needle head 1 penetrates through the center of the needle seat, and the needle head 1 is fixedly connected with the needle seat; the needle base comprises a pen cap part 3, the pen cap part 3 is in threaded fit with the end part of the insulin pen, the front end of the pen cap part 3 is fixedly connected with a sliding connection part 2, the sliding connection part 2 is in a columnar shape and is coaxial with the needle 1, and the head end and the tail end of the sliding connection part 2 are both provided with a first limiting ring 12; the protector comprises a body 4, the body 4 is in a tubular shape coaxially arranged with a needle 1, the tail end of the body 4 is sleeved in the middle of the sliding connection part 2, a second limiting ring 6 matched with the first limiting ring 12 is arranged on the inner wall of the tail end of the body 4, the head end of the body 4 is fixedly connected with a needle outlet part 5, the needle outlet part 5 is a circular table coaxially arranged with the needle 1, the large end of the needle outlet part 5 is fixedly connected with the body 4, the needle outlet part 5 is provided with a through hole matched with the needle 1, a spring 8 is arranged between the needle outlet part 5 and the sliding connection part 2, and when the spring 8 is in a loose state, the head end of the needle 1 is positioned in the middle of; the detachable suit of taut pull ring 7 is in on sliding connection portion 2, taut pull ring 7 is located the protector tail end with between the 2 tail ends of sliding connection portion, 4 lateral walls of body evenly set up along circumference and observe through-hole 10, 4 inner walls of body evenly set up the guide rail along circumference, the guide rail is on a parallel with 1 center pin of syringe needle, set up the spout with the guide rail adaptation on the first spacing ring 12 of 2 head ends of sliding connection portion, taut pull ring 7 includes block portion 13, pull ring portion 11, block portion 13 is the C type pipe, block portion 13 is the elastic material manufacturing, the articulated pull ring portion 11 outer wall of pull ring portion 11 one end still includes visor 9, visor 9 with the threaded connection of 3 rear end outer walls of pen cap portion.
during the actual use, take off visor 9, install on insulin pen, take off taut pull ring 7 before the injection, aim at the place that needs the injection with syringe needle exit portion 5 tip and puncture, protector retraction needle point gets into the human body and injects during the puncture, injects the back, withdraws from the needle tubing, because spring 8 effect, the protection part prevents that the needle point exposes, can dismantle syringe needle 1 after installing taut pull ring 7 again this moment, prevents to stab.
Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.
Claims (7)
1. A syringe needle for insulin pen which characterized in that: comprises a needle seat, a needle head (1), a protector and a clamping pull ring (7);
The needle head (1) penetrates through the center of the needle seat, and the needle head (1) is fixedly connected with the needle seat;
The needle base comprises a pen cap part (3), the pen cap part (3) is in threaded fit with the end part of the insulin pen, the front end of the pen cap part (3) is fixedly connected with a sliding connection part (2), the sliding connection part (2) is in a columnar shape and is coaxial with the needle head (1), and the head end and the tail end of the sliding connection part (2) are both provided with a first limiting ring (12);
The protector comprises a body (4), the body (4) is in a tubular shape coaxially arranged with a needle (1), the tail end of the body (4) is sleeved in the middle of the sliding connection part (2), a second limiting ring (6) matched with the first limiting ring (12) is arranged on the inner wall of the tail end of the body (4), the head end of the body (4) is fixedly connected with a needle outlet part (5), the needle outlet part (5) is a circular table coaxially arranged with the needle (1), the large end of the needle outlet part (5) is fixedly connected with the body (4), the needle outlet part (5) is provided with a through hole matched with the needle (1), a spring (8) is arranged between the needle outlet part (5) and the sliding connection part (2), and when the spring (8) is in a loose state, the head end of the needle (1) is positioned in the middle of the through hole;
The clamping pull ring (7) is detachably sleeved on the sliding connection part (2), and the clamping pull ring (7) is located between the tail end of the protector and the tail end of the sliding connection part (2).
2. The needle for insulin pen of claim 1, characterized in that: the side wall of the body (4) is uniformly provided with observation through holes (10) along the circumferential direction.
3. the needle for insulin pen of claim 1, characterized in that: the inner wall of the body (4) is uniformly provided with guide rails along the circumferential direction, the guide rails are parallel to the central shaft of the needle head (1), and a sliding groove matched with the guide rails is formed in the first limiting ring (12) at the head end of the sliding connection part (2).
4. The needle for insulin pen of claim 1, characterized in that: the clamping pull ring (7) comprises a clamping part (13) and a pull ring part (11), and the clamping part (13) is a C-shaped pipe.
5. The needle for insulin pen of claim 4, characterized in that: the engaging portion (13) is made of an elastic material.
6. The needle for insulin pen of claim 4, characterized in that: one end of the pull ring part (11) is hinged with the outer wall of the pull ring part (11).
7. The needle for insulin pen according to any one of claims 1 to 6, characterized in that: the pen cap further comprises a protective cover (9), and the protective cover (9) is in threaded connection with the outer wall of the rear end of the pen cap part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821988032.7U CN209771028U (en) | 2018-11-29 | 2018-11-29 | A syringe needle for insulin pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821988032.7U CN209771028U (en) | 2018-11-29 | 2018-11-29 | A syringe needle for insulin pen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209771028U true CN209771028U (en) | 2019-12-13 |
Family
ID=68787903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821988032.7U Active CN209771028U (en) | 2018-11-29 | 2018-11-29 | A syringe needle for insulin pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209771028U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115813761A (en) * | 2023-02-20 | 2023-03-21 | 四川大学华西医院 | Puncture-proof blunt needle of syringe for extracting liquid medicine and use method thereof |
-
2018
- 2018-11-29 CN CN201821988032.7U patent/CN209771028U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115813761A (en) * | 2023-02-20 | 2023-03-21 | 四川大学华西医院 | Puncture-proof blunt needle of syringe for extracting liquid medicine and use method thereof |
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