CN111330117B - Safety insulin needle - Google Patents
Safety insulin needle Download PDFInfo
- Publication number
- CN111330117B CN111330117B CN202010172027.4A CN202010172027A CN111330117B CN 111330117 B CN111330117 B CN 111330117B CN 202010172027 A CN202010172027 A CN 202010172027A CN 111330117 B CN111330117 B CN 111330117B
- Authority
- CN
- China
- Prior art keywords
- needle
- limiting
- block
- insulin
- main body
- 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.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3213—Caps placed axially onto the needle, e.g. equipped with finger protection guards
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
- A61M5/321—Means for protection against accidental injuries by used needles
- A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
- A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
- A61M2005/3254—Shielding of proximal needles, e.g. for pen needles
Abstract
The invention discloses a safety insulin needle, comprising: the insulin pen comprises a needle head main body, wherein one end of the needle head main body is detachably and fixedly connected with the insulin pen, and an injection needle is arranged at the other end of the needle head main body; the needle head main body is provided with N guide blocks and blocking blocks which are matched in pairs and distributed circumferentially, and the guide blocks are provided with guide inclined planes; the height of the guide block is greater than that of the stop block; the limiting sleeve is sleeved on the needle head main body; one end of the elastic part props against one end of the needle head main body close to the insulin pen, and the other end of the elastic part props against the annular body; the protective sleeve is sleeved on the needle head main body; and a protective housing. The invention has the beneficial effects that: the protection of syringe needle during injection operation is in the protective sheath, and this protective sheath can't stretch out and draw back again after the injection finishes for the syringe needle that has used up is locked in the protective sheath completely, can guarantee that the nurse is after the injection operation finishes, does not have the risk of stabbing.
Description
Technical Field
The invention relates to the field of insulin, in particular to a safe insulin needle.
Background
Present ordinary insulin syringe needle, nurse use the injection back that finishes, need the insulin pen of right hand-held, and the bare-handed outer needle cap of syringe needle of covering earlier of left hand, rotating syringe needle base makes syringe needle and insulin pen separation, and this number of times of operation in the work is frequent, and the in-process is probably taken place the acupuncture and is hindered.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a safe insulin needle, wherein the injection needle is protected in a protective sleeve during injection operation, and the protective sleeve cannot stretch out and draw back after the injection is finished, so that the used needle is completely locked in the protective sleeve, and a nurse can be ensured to have no needle puncture risk after the injection operation is finished.
In order to solve the above technical problems, the present invention provides a safety insulin needle, comprising:
the insulin pen comprises a needle head main body, wherein one end of the needle head main body is detachably and fixedly connected with the insulin pen, and an injection needle is arranged at the other end of the needle head main body; the needle head main body is provided with N guide blocks and N blocking blocks, and the guide blocks and the blocking blocks are matched with each other and are distributed in a circumferential manner; the guide block is provided with a guide inclined plane; the height of the blocking block is larger than that of the guide block;
the limiting sleeve is sleeved on the needle head main body and comprises an annular body and limiting fixture blocks fixedly connected to the annular body, and the number of the limiting fixture blocks is N; one end of the limiting fixture block, which is close to the injection needle, is provided with a limiting inclined surface, and one side of the limiting fixture block, which is opposite to the limiting inclined surface, is provided with a L-shaped blocking surface; the height of the limiting clamping block is greater than that of the guide block;
one end of the elastic part props against one end of the needle head main body close to the insulin pen, and the other end of the elastic part props against the annular body;
the protective sleeve is sleeved on the needle head main body, the inner side of the protective sleeve is attached to the guide block, one end of the protective sleeve, which is close to the limiting sleeve, is provided with N pushing inclined planes and N containing grooves adjacent to the pushing inclined planes, and the pushing inclined planes and the containing grooves are matched with each other and are distributed in a circumferential manner; a clamping groove is formed in one end, far away from the limiting sleeve, of the protective sleeve; and
the protective casing is sleeved on the protective sleeve, one end of the protective casing is fixed at one end, close to the insulin pen, of the needle head main body, and a clamping block is arranged at the other end of the protective casing;
wherein the number of N is a positive integer;
in an initial state, the limiting clamping block extends into the position near the side face, far away from the blocking block, of the guide block; when the insulin pen injects insulin to a human body through the injection needle, the protective sleeve is subjected to extrusion force of the human body, the protective sleeve pushes the limiting clamping block to move towards the direction close to the insulin pen, and the limiting clamping block is far away from the guide block; then, the limiting inclined surface is attached to the guiding inclined surface and the pushing inclined surface, and the limiting fixture block moves along the guiding inclined surface and the pushing inclined surface under the action of the elastic force of the limiting piece until the limiting fixture block moves to the position close to the side surface of the guide block; after the insulin injection is finished, the injection needle leaves the human body, and the limit inclined plane continues to push the push inclined plane under the action of the elastic force of the elastic piece; then, the limiting clamping block penetrates through a gap between the guide block and the blocking block; then, the master L-shaped blocking surface of the limiting clamping block blocks the blocking block, and the limiting clamping block is clamped in the accommodating groove; finally, the needle does not expose the protective sheath;
during the movement, the blocking block and the accommodating groove are mutually matched for limiting the protective sleeve to move along the circumferential direction of the needle body, and the clamping block and the clamping groove are matched for limiting the protective sleeve to fall off from the needle body.
In one embodiment, one end of the needle body is threadedly connected with the insulin pen.
In one embodiment, one end of the needle body is clamped with the insulin pen.
In one embodiment, the resilient member is a spring.
In one embodiment, the number of the elastic members is three, and the elastic members are evenly distributed on the circumference.
In one embodiment, the resilient member is sleeved over the needle body.
In one embodiment, the material of the needle body is plastic.
In one embodiment, the number of the clamping blocks and the clamping grooves is 3.
In one embodiment, the clamping blocks and the clamping grooves are evenly distributed on the circumference.
In one embodiment, N is 3.
The invention has the beneficial effects that:
the protection of syringe needle during injection operation is in the protective sheath, and this protective sheath can't stretch out and draw back again after the injection finishes for the syringe needle that has used up is locked in the protective sheath completely, can guarantee that the nurse is after the injection operation finishes, does not have the risk of stabbing.
Drawings
Fig. 1 is an exploded view of the safety insulin needle of the present invention.
Fig. 2 is an exploded view from another perspective of the safety insulin needle of the present invention.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
Referring to fig. 1 and 2, a safety insulin needle comprises:
a needle body 100, one end of which is detachably and fixedly connected with the insulin pen, and the other end of which is provided with an injection needle 110; the needle body is provided with N guide blocks 120 and N blocking blocks 130, and the guide blocks and the blocking blocks are mutually matched and are distributed in a circumference way; the guide block is provided with a guide inclined surface 121; the height of the blocking block is larger than that of the guide block;
the limiting sleeve is sleeved on the needle head main body and comprises an annular body 210 and limiting fixture blocks 220 fixedly connected to the annular body, and the number of the limiting fixture blocks is N; a limiting inclined surface 221 is arranged at one end, close to the injection needle, of the limiting clamping block, and a master L-shaped blocking surface 222 is arranged at one side, opposite to the limiting inclined surface, of the limiting clamping block; the height of the limiting clamping block is greater than that of the guide block;
an elastic member 300, one end of which abuts against one end of the needle main body close to the insulin pen, and the other end of which abuts against the annular body;
the protective sleeve is sleeved on the needle head main body, the inner side of the protective sleeve is attached to the guide block, one end of the protective sleeve, which is close to the limiting sleeve, is provided with N pushing inclined planes 410 and N containing grooves 420 adjacent to the pushing inclined planes, and the pushing inclined planes and the containing grooves are matched with each other and are distributed in a circumferential manner; a clamping groove 430 is formed in one end, far away from the limiting sleeve, of the protective sleeve; and
the protective casing 500 is sleeved on the protective sleeve, one end of the protective casing is fixed to one end, close to the insulin pen, of the needle head main body, and a clamping block 510 is arranged at the other end of the protective casing;
wherein the number of N is a positive integer;
in an initial state, the limiting clamping block extends into the position near the side face, far away from the blocking block, of the guide block; when the insulin pen injects insulin to a human body through the injection needle, the protective sleeve is subjected to extrusion force of the human body, the protective sleeve pushes the limiting clamping block to move towards the direction close to the insulin pen, and the limiting clamping block is far away from the guide block; then, the limiting inclined surface is attached to the guiding inclined surface and the pushing inclined surface, and the limiting fixture block moves along the guiding inclined surface and the pushing inclined surface under the action of the elastic force of the limiting piece until the limiting fixture block moves to the position close to the side surface of the guide block; after the insulin injection is finished, the injection needle leaves the human body, and the limit inclined plane continues to push the push inclined plane under the action of the elastic force of the elastic piece; then, the limiting clamping block penetrates through a gap between the guide block and the blocking block; then, the master L-shaped blocking surface of the limiting clamping block blocks the blocking block, and the limiting clamping block is clamped in the accommodating groove; finally, the needle does not expose the protective sheath;
during the movement, the blocking block and the accommodating groove are mutually matched for limiting the protective sleeve to move along the circumferential direction of the needle body, and the clamping block and the clamping groove are matched for limiting the protective sleeve to fall off from the needle body.
The invention has the beneficial effects that:
the protection of syringe needle during injection operation is in the protective sheath, and this protective sheath can't stretch out and draw back again after the injection finishes for the syringe needle that has used up is locked in the protective sheath completely, can guarantee that the nurse is after the injection operation finishes, does not have the risk of stabbing.
Understanding the various movements of the present invention, it will be appreciated that the bevel, when subjected to compressive forces, may provide two perpendicular movements, axial and circumferential,
wherein, the one end of the needle main body and the insulin pen are fixedly connected in a detachable way, which means that the one end of the needle main body and the insulin pen are fixedly connected, but the two can be detached and separated. Specifically, the one end of syringe needle main part with insulin pen threaded connection or the one end of syringe needle main part with insulin pen joint, of course also can be other detachably fixed connection modes.
In one embodiment, the resilient member is a spring. It will be appreciated that the resilient member may take other forms and the invention is not limited thereto.
In one embodiment, the number of the elastic members is three, and the elastic members are evenly distributed on the circumference.
In one embodiment, the resilient member is sleeved over the needle body.
It will be appreciated that the resilient member may or may not be disposed around the needle body.
In one embodiment, the material of the needle body is plastic. Other materials can be selected as the manufacturing material.
In one embodiment, the number of the clamping blocks and the clamping grooves is 3.
In one embodiment, the clamping blocks and the clamping grooves are evenly distributed on the circumference.
In one embodiment, N is 3.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides a safe type insulin syringe needle which characterized in that includes:
the insulin pen comprises a needle head main body, wherein one end of the needle head main body is detachably and fixedly connected with the insulin pen, and an injection needle is arranged at the other end of the needle head main body; the needle head main body is provided with N guide blocks and N blocking blocks, and the guide blocks and the blocking blocks are matched with each other and are distributed in a circumferential manner; the guide block is provided with a guide inclined plane; the height of the blocking block is larger than that of the guide block;
the limiting sleeve is sleeved on the needle head main body and comprises an annular body and limiting fixture blocks fixedly connected to the annular body, and the number of the limiting fixture blocks is N; one end of the limiting fixture block, which is close to the injection needle, is provided with a limiting inclined surface, and one side of the limiting fixture block, which is opposite to the limiting inclined surface, is provided with a L-shaped blocking surface; the height of the limiting clamping block is greater than that of the guide block;
one end of the elastic part props against one end of the needle head main body close to the insulin pen, and the other end of the elastic part props against the annular body;
the protective sleeve is sleeved on the needle head main body, the inner side of the protective sleeve is attached to the guide block, one end of the protective sleeve, which is close to the limiting sleeve, is provided with N pushing inclined planes and N containing grooves adjacent to the pushing inclined planes, and the pushing inclined planes and the containing grooves are matched with each other and are distributed in a circumferential manner; a clamping groove is formed in one end, far away from the limiting sleeve, of the protective sleeve; and
the protective casing is sleeved on the protective sleeve, one end of the protective casing is fixed at one end, close to the insulin pen, of the needle head main body, and a clamping block is arranged at the other end of the protective casing;
wherein the number of N is a positive integer;
in an initial state, the limiting clamping block extends into the position near the side face, far away from the blocking block, of the guide block; when the insulin pen injects insulin to a human body through the injection needle, the protective sleeve is subjected to extrusion force of the human body, the protective sleeve pushes the limiting clamping block to move towards the direction close to the insulin pen, and the limiting clamping block is far away from the guide block; then, the limiting inclined surface is attached to the guiding inclined surface and the pushing inclined surface, and the limiting fixture block moves along the guiding inclined surface and the pushing inclined surface under the action of the elastic force of the limiting piece until the limiting fixture block moves to the position close to the side surface of the guide block; after the insulin injection is finished, the injection needle leaves the human body, and the limit inclined plane continues to push the push inclined plane under the action of the elastic force of the elastic piece; then, the limiting clamping blockThrough a gap between the guide block and the stop block; then, of said limit block
The blocking block is clamped by the shaped blocking surface, and the limiting clamping block is clamped in the accommodating groove; finally, the needle does not expose the protective sheath;
during the movement, the blocking block and the accommodating groove are mutually matched for limiting the protective sleeve to move along the circumferential direction of the needle body, and the clamping block and the clamping groove are matched for limiting the protective sleeve to fall off from the needle body;
the injection needle is protected in the protective sleeve during injection operation, and the protective sleeve can not stretch out and draw back after injection is finished, so that the used injection needle is completely locked in the protective sleeve.
2. The safety insulin needle of claim 1, wherein one end of said needle body is threadedly connected to said insulin pen.
3. The safety insulin needle of claim 1, wherein one end of said needle body is snap-fitted to said insulin pen.
4. The safety insulin needle of claim 1, wherein said resilient member is a spring.
5. The safety insulin needle according to claim 1, wherein the number of the elastic members is three, and the elastic members are evenly distributed around the circumference.
6. The safety insulin needle of claim 1, wherein said resilient member is sleeved over said needle body.
7. The safety insulin needle of claim 1, wherein the material of said needle body is plastic.
8. The safety insulin needle according to claim 1, wherein the number of the clamping blocks and the clamping grooves is 3.
9. The safety insulin needle according to claim 8, wherein the locking blocks and the locking grooves are evenly distributed on the circumference.
10. The safety insulin needle of claim 1, wherein N is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010172027.4A CN111330117B (en) | 2020-03-12 | 2020-03-12 | Safety insulin needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010172027.4A CN111330117B (en) | 2020-03-12 | 2020-03-12 | Safety insulin needle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111330117A CN111330117A (en) | 2020-06-26 |
| CN111330117B true CN111330117B (en) | 2022-01-18 |
Family
ID=71176269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010172027.4A Active CN111330117B (en) | 2020-03-12 | 2020-03-12 | Safety insulin needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111330117B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114306815B (en) * | 2021-11-11 | 2023-10-10 | 浙江大学医学院附属第一医院 | Anti-stabbing insulin pen |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771814A (en) * | 2015-04-28 | 2015-07-15 | 苏州施莱医疗器械有限公司 | Disposable safe insulin injection needle head |
| CN206660239U (en) * | 2016-12-07 | 2017-11-24 | 宁波美生医疗器材有限公司 | A kind of safety-type scalable injection of insulin syringe needle |
| CN109172955A (en) * | 2018-11-08 | 2019-01-11 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of rotary-type novopen needle |
| CN109316650A (en) * | 2018-09-29 | 2019-02-12 | 苏州施莱医疗器械有限公司 | The safe injection of insulin syringe needle of improved rotary formula |
| CN110141733A (en) * | 2019-05-10 | 2019-08-20 | 山东连发医用塑胶制品有限公司 | A kind of safe injection of insulin syringe needle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307072A (en) * | 2014-10-29 | 2015-01-28 | 杭州普昂医疗科技有限公司 | Safety insulin pen |
| CN104771815B (en) * | 2015-04-28 | 2017-05-03 | 苏州施莱医疗器械有限公司 | Insulin syringe needle with needle tip protection function |
-
2020
- 2020-03-12 CN CN202010172027.4A patent/CN111330117B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104771814A (en) * | 2015-04-28 | 2015-07-15 | 苏州施莱医疗器械有限公司 | Disposable safe insulin injection needle head |
| CN206660239U (en) * | 2016-12-07 | 2017-11-24 | 宁波美生医疗器材有限公司 | A kind of safety-type scalable injection of insulin syringe needle |
| CN109316650A (en) * | 2018-09-29 | 2019-02-12 | 苏州施莱医疗器械有限公司 | The safe injection of insulin syringe needle of improved rotary formula |
| CN109172955A (en) * | 2018-11-08 | 2019-01-11 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of rotary-type novopen needle |
| CN110141733A (en) * | 2019-05-10 | 2019-08-20 | 山东连发医用塑胶制品有限公司 | A kind of safe injection of insulin syringe needle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111330117A (en) | 2020-06-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9138545B2 (en) | Needle retraction apparatus | |
| CN204219535U (en) | Pen needle assemblies | |
| AU2015336700B2 (en) | Disposable anti-acupuncture intravenous infusion puncture needle | |
| KR102179345B1 (en) | Safety needle | |
| RU2413543C2 (en) | Safe medical syringe | |
| KR101661580B1 (en) | Safety assembly combined with syringe and safety syringe comprising the same | |
| CN107106787B (en) | Retractable needle assembly | |
| CN108543169A (en) | A kind of safety type novopen needle | |
| CA2005608C (en) | Syringe with adjustable winged collar | |
| AU2011306445B2 (en) | Needle tip guard for intravenous catheter assembly | |
| JP7290692B2 (en) | injection device | |
| CN111330117B (en) | Safety insulin needle | |
| US20150143966A1 (en) | Locking Quick Release Protective Cap Assembly For Pocket Tools | |
| US20140171877A1 (en) | Frontal Attachment Device for Syringe with Rotationally Activated Retractable Needle | |
| EP1542745A1 (en) | Sheath for a needle assembly | |
| CN204181958U (en) | The anti-acupuncture venoclysis needle of single use | |
| CN103977475A (en) | Safety vein needle | |
| AU2013406223B2 (en) | Frontal attachment device for syringe with rotationally activated retractable needle | |
| TWM513032U (en) | Safety protection device for syringe | |
| CN203829413U (en) | Safe vein needle | |
| CN212466754U (en) | Safe insulin syringe needle | |
| CN202982818U (en) | Safety protection sleeve for two-piece safety insulin injection syringe | |
| CN208838784U (en) | Safety type novopen needle | |
| CN209951948U (en) | Anti-pollution syringe | |
| CN216061535U (en) | Protection structure of transfusion needle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |