CN106581824B - Anti- needling structure and the injection needle comprising it - Google Patents
Anti- needling structure and the injection needle comprising it Download PDFInfo
- Publication number
- CN106581824B CN106581824B CN201610675994.6A CN201610675994A CN106581824B CN 106581824 B CN106581824 B CN 106581824B CN 201610675994 A CN201610675994 A CN 201610675994A CN 106581824 B CN106581824 B CN 106581824B
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- China
- Prior art keywords
- saddle
- needle
- needle stand
- annular
- saddles
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Classifications
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- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Environmental & Geological Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
A kind of injection needle the invention discloses anti-needling structure and comprising it, the anti-needling structure is included：Needle stand, the upper end of needle stand is used for fixed needle；Multiple saddles, multiple saddles are the tubular of both ends open and mutually nested, and the saddle of innermost layer is slideably sheathed on needle stand, and total length of multiple saddles in glide direction is more than the length of syringe needle；Wherein, the lower end of each saddle is provided with one or more buckles, and the upper end of each saddle and the upper end of needle stand between outermost saddle and needle stand are provided with annular slot；Buckle can be engaged with annular slot, so as to limit slip of the saddle relative to needle stand of innermost layer, and can limit the mutual slip between multiple saddles.Deploy to cover syringe needle after in use and use layer by layer by saddle, improve security and alleviate the pain of patient, meanwhile, it is fixed between multiple saddles and needle stand by multiple buckles and annular slot, such fixed form is more stable.
Description
Technical field
A kind of injection needle the present invention relates to anti-needling structure and comprising it.
Background technology
At present, conventional injection needle is before use, need to needle guard on pinhead sleeve to protect syringe needle, such as to prevent syringe needle quilt
Bending or collision etc..In use, when pulling out needle guard, pricking hazard is easily caused, but really danger is located after the completion of injection
The stage is put, after being extracted out of patient body, when carrying out waste disposal, the process cartridge for being either put into specialty still takes needle guard,
There is the danger being easily wounded by stabbing, cause the serious consequences such as medical staff infection.
For this defect, some injection needles employ the technological means of retractable needle, after the completion of injection, utilize bullet
The isostructural elastic force of spring, syringe needle is retracted in the structures such as a protective case for protecting syringe needle.So, although Ke Yiyou
Effect protection syringe needle, it is to avoid medical worker is wounded by stabbing, but can be because the mechanical action of needle retractable causes the great pain of patient
It is bitter.
On the other hand, retractable needle is when retracting, and because the mechanical structure that can be stretched often has gap, possibility will
Skin, which is clamped, causes bigger pain to patient.
The content of the invention
The technical problem to be solved in the present invention is to overcome the injection needle of prior art to there is safety issue and machinery
The anti-acupuncture knot that action causes the defect of patient suffering there is provided a kind of security is more preferable, the pain caused by mechanical action is lower
Structure and the injection needle comprising it.
The present invention is to solve above-mentioned technical problem by following technical proposals：
A kind of anti-needling structure, it is included：
Needle stand, the upper end of needle stand is used for fixed needle；
Multiple saddles, multiple saddles are the tubular of both ends open and mutually nested, and the saddle of innermost layer slideably covers
On needle stand, total length of multiple saddles in glide direction is more than the length of syringe needle；
Wherein, the lower end of each saddle is provided with one or more buckles, each between outermost saddle and needle stand
The upper end of saddle and the upper end of needle stand are provided with annular slot；
Buckle can be engaged with annular slot, so that slip of the saddle relative to needle stand of innermost layer is limited, and can
Limit the mutual slip between multiple saddles.
Preferably, anti-needling structure includes three saddles.
Preferably, the lower end of each saddle is provided with two buckles, and two are buckled in cloth on the circumferencial direction of each saddle
Put, and opposite side is arranged on relative to each saddle.
Preferably, annular slot includes intersecting vertical plane and inclined plane, and vertical plane is perpendicular to the axle center of syringe needle, inclined plane
Tilted from the bottom of vertical plane to the direction in the axle center away from syringe needle, buckle is biased towards the axle center of syringe needle.
Preferably, anti-slip part is provided with the side of outermost saddle, anti-slip part is used to increase outermost saddle
The roughness of outer surface.
Preferably, anti-slip part is the multiple grooves for being located on outermost saddle.
Preferably, anti-needling structure also includes multiple receiving parts, and multiple receiving parts are arranged on needle stand and multiple saddles, keeps off
Socket part is used for after annular slot and snap engagement, prevents multiple saddles from deviating from the presence of tensile force.
Preferably, receiving part includes multiple annular inward protuberances and multiple annular outstanding portions；
The upper end of needle stand is provided with an outstanding portion of annular；
The upper end of each saddle between needle stand and outermost saddle is provided with an outstanding portion of annular；
The lower end of each saddle is provided with an annular inward protuberance；
Internal diameter located at the annular outstanding portion of needle stand is less than the annular inward protuberance of the saddle located at innermost layer
The internal diameter of the annular inward protuberance set on saddle above in external diameter, two adjacent saddles is respectively less than adjacent
The external diameter in the annular outstanding portion set on the underlying saddle in two saddles.
A kind of injection needle, injection needle includes syringe needle, anti-needling structure, injection tube and needle guard as above；
Syringe needle is fixed on the upper end of needle stand, and injection tube, which is fixed in the lower end of needle stand, needle stand, is provided with infusion channel, syringe needle and
Injection tube is connected with infusion channel, needle guard covering syringe needle.
The positive effect of the present invention is：Deployed layer by layer by saddle to cover syringe needle after in use and use,
Improve security and alleviate the pain of patient, meanwhile, pass through multiple buckles and annular slot between multiple saddles and needle stand
It is fixed, such fixed form is more stable.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the anti-needling structure of the preferred embodiments of the present invention；
Fig. 2 is the cross section structure diagram of the anti-needling structure of the preferred embodiments of the present invention；
Fig. 3 is the dimensional structure diagram of the injection needle of the preferred embodiments of the present invention, and wherein syringe is omitted.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is further illustrated by way of embodiment, but is not therefore limited the invention to
Among described scope of embodiments.
As shown in figure 1, anti-needling structure 20 is included：Needle stand 21 and multiple saddles 22.
The upper end of needle stand 21 is used for fixed needle 30.
Multiple saddles 22 are the tubular of both ends open and mutually nested, and the saddle 22 of innermost layer is slideably sheathed on pin
On seat 21, total length of multiple saddles 22 in glide direction is more than the length of syringe needle 30.
In the present embodiment, the quantity of saddle 22 is three., can be effective over syringe needle so when saddle 22 deploys
The syringe needle 30 of 30, particularly syringe, will not cause structure excessively complicated again.
The lower end of each saddle 22 is provided with one or more buckles 23, each between outermost saddle 22 and needle stand 21
The upper end of individual saddle 22 and the upper end of needle stand 21 are provided with annular slot 24.
Buckle 23 can be engaged with annular slot 24, so that slip of the saddle 22 relative to needle stand 21 of innermost layer is limited,
And the mutual slip between multiple saddles 22 can be limited.Due to being provided with annular slot 24, even if saddle 22 is rotated, buckle
23 can also simply be joined in annular slot 24.
In the present embodiment, the lower end of each saddle 22 is provided with two buckles 23, and two buckles 23 are in each saddle 22
Circumferencial direction on arrange, and be arranged on opposite side relative to each saddle 22.
This buckle 23 positioned opposite interacts so that the engagement of buckle 23 and annular slot 24 is more stable.Certainly,
Those skilled in the art can also set the buckle 23 of more than three according to actual conditions.
Annular slot 24 includes intersecting vertical plane and inclined plane, vertical plane perpendicular to the axle center of syringe needle 30, inclined plane from
The bottom of vertical plane is tilted to the direction in the axle center away from syringe needle 30, and buckle 23 is biased towards the axle center of syringe needle 30.
Anti-slip part 25 is provided with the side of outermost saddle 22, anti-slip part 25 is used to increase outermost saddle 22
The roughness of outer surface.
Anti-slip part 25 is the multiple grooves for being located on outermost saddle 22.
Anti- needling structure 20 also includes multiple receiving parts, and multiple receiving parts are arranged on needle stand 21 and multiple saddles 22, keeps off
Socket part is used for after annular slot 24 is engaged with buckle 23, prevents multiple saddles 22 from deviating from the presence of tensile force.
As shown in Fig. 2 receiving part includes multiple annular inward protuberances 26 and multiple annular outstanding portions 27.Fig. 2 is
The purpose of explanation, there is provided syringe needle 30.
The upper end of needle stand 21 is provided with the outstanding portion 27 of an annular.
The upper end of each saddle 22 between needle stand 21 and outermost saddle 22 is provided with an outstanding portion of annular
27。
The lower end of each saddle 22 is provided with an annular inward protuberance 26.
The annular inward that internal diameter located at the annular outstanding portion 27 of needle stand 21 is less than the saddle 22 located at innermost layer is dashed forward
Go out the interior of the annular inward protuberance 26 that is set on the saddle 22 above in the external diameter in portion 26, two adjacent saddles 22
The external diameter in the annular outstanding portion 27 set on the underlying saddle 22 that footpath is respectively less than in two adjacent saddles 22.
As shown in figure 3, injection needle 10 comprising syringe needle 30, anti-needling structure 20 as above, injection tube (not illustrating in figure) and
Needle guard 40.
Syringe needle 30 is fixed on the upper end of needle stand 21, and injection tube is fixed in the lower end of needle stand 21, needle stand 21 logical provided with transfusion
Road, syringe needle 30 and injection tube are connected with infusion channel, the covering syringe needle 30 of needle guard 40.
Injection needle 10 is when unused, the covering syringe needle 30 of needle guard 40.When using injection needle 10, needle guard 40 is removed, so
Injected afterwards.After the completion of injection, while syringe needle 30 are extracted, deploy saddle 22, until saddle 22 is fully deployed covering pin
First 30, at this moment, buckle 23 is engaged with annular slot 24, so that slip of the saddle 22 relative to needle stand 21 of innermost layer is limited, and
And the mutual slip between multiple saddles 22 can be limited, so that syringe needle 30 is safely covered.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " top ", " bottom ", " interior ", " outer " are based on orientation shown in the drawings or position
Relation is put, the description present invention is for only for ease of and simplifies description, rather than indicate or imply that the device or element of meaning are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Although the embodiment of the present invention is the foregoing described, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
On the premise of the principle and essence of the present invention, various changes or modifications can be made to these embodiments, but these changes and
Modification each falls within protection scope of the present invention.
Claims (6)
1. a kind of anti-needling structure, it is characterised in that it is included：
Needle stand, the upper end of the needle stand is used for fixed needle；
Multiple saddles, multiple saddles are the tubular of both ends open and mutually nested, and the saddle of innermost layer is slidably
Ground is sheathed on the needle stand, and total length of multiple saddles in glide direction is more than the length of the syringe needle；
Wherein, the lower end of each saddle is provided with one or more buckles, between the outermost saddle and the needle stand
The upper end of each saddle and the upper end of the needle stand are provided with annular slot；
The buckle can be engaged with the annular slot, so as to limit cunning of the saddle relative to the needle stand of innermost layer
It is dynamic, and the mutual slip between multiple saddles can be limited；
The lower end of each saddle is provided with two buckles, and the circumferencial direction of each saddle is buckled in described in two
Upper arrangement, and it is arranged on opposite side relative to each saddle；
The annular slot includes intersecting vertical plane and inclined plane, and the vertical plane is described perpendicular to the axle center of the syringe needle
Inclined plane is tilted from the bottom of the vertical plane to the direction in the axle center away from the syringe needle, and the buckle is towards the syringe needle
Axle center is biased；
Anti-slip part is provided with the side of the outermost saddle, the anti-slip part is used to increase the outermost saddle
The roughness of outer surface.
2. anti-needling structure as claimed in claim 1, it is characterised in that the anti-needling structure includes three saddles.
3. anti-needling structure as claimed in claim 1, it is characterised in that the anti-slip part is to be located on the outermost cunning
Multiple grooves of part.
4. anti-needling structure as claimed in claim 1 or 2, it is characterised in that the anti-needling structure also connects comprising multiple gears
Portion, multiple receiving parts are arranged on the needle stand and multiple saddles, and the receiving part is used in the annular slot
After the snap engagement, prevent multiple saddles from deviating from the presence of tensile force.
5. anti-needling structure as claimed in claim 4, it is characterised in that the receiving part includes multiple annular inward protuberances
With multiple annular outstanding portions；
The upper end of the needle stand is provided with an annular outstanding portion；
The upper end of each saddle between the needle stand and the outermost saddle is provided with an annular outwards
Protuberance；
The lower end of each saddle is provided with an annular inward protuberance；
Internal diameter located at the annular outstanding portion of the needle stand is less than the annular of the saddle located at innermost layer
The annular inward set on the saddle above in the external diameter of inward projection, two adjacent saddles
Set on the underlying saddle that the internal diameter of protuberance is respectively less than in two adjacent saddles it is described annular to
The external diameter of outer protuberance.
6. a kind of injection needle, it is characterised in that the injection needle is anti-comprising syringe needle, as any one of claim 1-5
Needling structure, injection tube and needle guard；
The syringe needle is fixed on the upper end of the needle stand, and the injection tube, which is fixed in the lower end of the needle stand, the needle stand, to be set
There is infusion channel, the syringe needle and the injection tube are connected with the infusion channel, the needle guard covers the syringe needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675994.6A CN106581824B (en) | 2016-08-16 | 2016-08-16 | Anti- needling structure and the injection needle comprising it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610675994.6A CN106581824B (en) | 2016-08-16 | 2016-08-16 | Anti- needling structure and the injection needle comprising it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106581824A CN106581824A (en) | 2017-04-26 |
| CN106581824B true CN106581824B (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610675994.6A Active CN106581824B (en) | 2016-08-16 | 2016-08-16 | Anti- needling structure and the injection needle comprising it |
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| Country | Link |
|---|---|
| CN (1) | CN106581824B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243100A (en) * | 2017-07-17 | 2017-10-13 | 安徽宏宇五洲医疗器械股份有限公司 | A kind of insulin injection syringe |
| CN109513072A (en) * | 2019-01-21 | 2019-03-26 | 刘贞宽 | Anti- acupuncture needle header structure and needling prevention injector |
| CN110917447A (en) * | 2019-12-31 | 2020-03-27 | 江苏苏云医疗器材有限公司 | Telescopic anti-acupuncture injection needle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101563124A (en) * | 2006-09-06 | 2009-10-21 | 特克法马许可公司 | Needle protection device comprising a distal protection element and a proximal protection element |
| CN204411424U (en) * | 2015-01-04 | 2015-06-24 | 上海金塔医用器材有限公司 | Anti-acupuncture syringe |
| CN104906662A (en) * | 2015-01-05 | 2015-09-16 | 名高医疗器械（昆山）有限公司 | Injector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006042236A1 (en) * | 2006-09-06 | 2008-03-27 | Tecpharma Licensing Ag | Needle guard with blocked guard position |
| FR3002739B1 (en) * | 2013-03-01 | 2016-01-08 | Transformation Des Elastomeres A Usages Medicaux Et Ind Soc D | NEEDLE PROTECTION DEVICE. |
-
2016
- 2016-08-16 CN CN201610675994.6A patent/CN106581824B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101563124A (en) * | 2006-09-06 | 2009-10-21 | 特克法马许可公司 | Needle protection device comprising a distal protection element and a proximal protection element |
| CN204411424U (en) * | 2015-01-04 | 2015-06-24 | 上海金塔医用器材有限公司 | Anti-acupuncture syringe |
| CN104906662A (en) * | 2015-01-05 | 2015-09-16 | 名高医疗器械（昆山）有限公司 | Injector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106581824A (en) | 2017-04-26 |
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