CN107929886A - A kind of insulin injection syringe needle - Google Patents
A kind of insulin injection syringe needle Download PDFInfo
- Publication number
- CN107929886A CN107929886A CN201711322913.5A CN201711322913A CN107929886A CN 107929886 A CN107929886 A CN 107929886A CN 201711322913 A CN201711322913 A CN 201711322913A CN 107929886 A CN107929886 A CN 107929886A
- Authority
- CN
- China
- Prior art keywords
- rear portion
- oversheath
- internal
- closure plug
- syringe needle
- 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.)
- Granted
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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
-
- 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
- A61M5/002—Packages specially adapted therefor, e.g. for syringes or needles, kits for diabetics
-
- 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
- A61M5/3202—Devices for protection of the needle before use, e.g. caps
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (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)
- Diabetes (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of insulin injection syringe needle, it is characterised in that：Including front end oversheath（1）, rear portion oversheath（2）, rear portion oversheath（2）Inside it is provided with rear portion closure plug（3）, front end oversheath（1）Inside it is provided with piercing needle（4）；The front end oversheath（1）Rear end and rear portion oversheath（2）Connection, front end oversheath（1）Front end be internally provided with forward end seal piece（5）, forward end seal piece（5）Side along and front end oversheath（1）Front inner surface be fixedly connected, front end oversheath（1）With rear portion oversheath（2）Connection；The rear portion closure plug（3）For hollow pipe, rear portion closure plug（3）Front end close and be arranged at rear portion oversheath（2）It is interior.In the technical solution of the application, blood is blocked to obtain clearly surgical field of view by bloodstream blocking stent, and it is simple in structure, and barrier effect is good.
Description
Technical field
The present invention relates to a kind of insulin injection syringe needle, belong to medical instruments field.
Background technology
Many people suffer from diabetes.Because their diabetes, many people in them have to one day inject some
It is secondary, typically on the feed after, therefore no matter where, they are required for carrying with insulin syringe.Currently there is many
The design of different insulin syringes with more or less complexity, can set dosage using these syringes and (that is, will
The quantity of injection units), and these syringes accommodate the insulin of some dosages.In the prior art, insulin syringe
It is separated with injection needle, when needing to carry out injection of insulin, injection needle is installed on syringe and is noted
Penetrate, injection needle is removed again after the completion of injection and is thrown aside, syringe is placed in case next time uses.Existing injection needle is only
Wrapped up by outer packing, after outer packing is removed, injection needle can be exposed in air for some time.It is empty indoors
When injection of insulin is carried out in the case of makings amount is preferable, the injection needle short time, which is exposed in air, will not cause syringe needle serious
Pollution.But when going out outdoors, if to carry out injection of insulin, injection needle will be exposed to open air after packaging is removed
Complex condition, more serious pollution can be caused to syringe needle.
The content of the invention
For it is existing in the prior art " outdoors go out when, if to carry out injection of insulin, injection needle removing bag
Outdoor complex condition will be exposed to after dress, more serious pollution can be caused to syringe needle " deficiency, there is provided a kind of pancreas islet
Plain needle for injection.
In order to solve the above technical problems, the present invention adopts the technical scheme that, a kind of insulin injection syringe needle, including it is preceding
Oversheath, rear portion oversheath are held, closure plug in rear portion is provided with the oversheath of rear portion, piercing needle is provided with the oversheath of front end；
The rear end of the front end oversheath is connected with rear portion oversheath, and the front end of front end oversheath is internally provided with forward end seal piece, preceding
Holding the side of diaphragm seal, front end oversheath is connected with rear portion oversheath along being fixedly connected with the front inner surface of front end oversheath；
The rear portion closure plug is hollow pipe, and the front end of rear portion closure plug is closed and is arranged in the oversheath of rear portion, rear portion closure plug
Open rearward end is simultaneously arranged at outside the oversheath of rear portion, is provided with internal lancet and means on the front end face of rear portion closure plug, inside punctures
Component blocks plug inside with rear portion and connects, and is provided with the back-end sealing piece that can be removed on the rear end face of rear portion closure plug, rear end is close
Mounting is bonded with the rear end face of rear portion closure plug and blocks the opening of the rear end face of rear portion closure plug；The rear end of the piercing needle
Internal connection component is connected with, inside connection component is connected with piercing needle；The rear portion envelope, which is blocked in the oversheath of rear portion, moves
After dynamic, internal lancet and means connect component connection through the rear end of internal connection component and with inside.
In the technical solution of the application, front end oversheath, rear portion oversheath, rear portion closure plug and forward end seal piece, rear end
Diaphragm seal surrounds a closed space, and piercing needle is wrapped in confined space, is removing injection of insulin syringe needle packaging
Afterwards, piercing needle is not exposed in air, it is therefore prevented that piercing needle is subject to more serious pollution.When in use, first will
Rear portion closure plug sleeve is connected to the end of syringe.Before socket, back-end sealing piece is removed if desired, then internal puncture portion
Part can be exposed in air for some time, and in order to avoid this case, the back-end sealing piece of the application can use aluminium-foil paper
Material, when rear portion closure plug sleeve is connected to the end of syringe, it is not necessary to remove back-end sealing piece, need to only pass through in socket
Back-end sealing piece bursting can be reduced time of the back-end sealing piece in air by the end of syringe.At rear portion
After closure plug sleeve is connected to the end of syringe, rear portion oversheath is moved to syringe direction so that internal lancet and means pass through
The rear end of inside connection component simultaneously connects component connection with inside, and internal lancet and means drive internal connection component and puncture
The front end movement of needle forward end oversheath, piercing needle puncture forward end seal piece so that piercing needle, which exposes, conveniently to be worn
Thorn.In order to reduce piercing needle exposure time, can front end oversheath be aligned patient's epidermis and with after patient's dermal contact,
Rear portion oversheath will moved to syringe direction.
Optimization, above-mentioned insulin injection syringe needle, the rear portion blocks and is provided with external screw thread on the outer surface side wall of plug,
Internal thread, rear portion closure plug and rear portion oversheath thread fitting are provided with the inner surface of rear portion oversheath.
Rear portion closure plug and rear portion oversheath thread fitting, when so there was only portion's oversheath after rotation, rear portion closure plug
It can just be relatively moved with rear portion oversheath, prevent the generation of maloperation.
Optimization, above-mentioned insulin injection syringe needle, the rear portion closure is fixedly installed the retaining collar of annular beyond the Great Wall,
Retaining collar is socketed on rear portion closure beyond the Great Wall；The rear portion closure is also socketed with removable limited location snap ring, limited location snap ring beyond the Great Wall
One end contacted with retaining collar, the other end of limited location snap ring and end in contact after the oversheath of rear portion.
When not in use, limited location snap ring can play the work for preventing that rear portion closure plug from relatively moving with rear portion oversheath
With.Just limited location snap ring is removed when needing rear portion closure plug to be relatively moved with rear portion oversheath, is prevented because maloperation will
Internal lancet and means are exposed in air.
Optimization, above-mentioned insulin injection syringe needle, the limited location snap ring is silicone elastomer ring, is provided with limited location snap ring
Notch.
With silicone elastomer ring jaggy since elasticity is larger, it is easier to be removed, convenient operation.
Optimization, above-mentioned insulin injection syringe needle, the internal lancet and means include an internal puncture cannula, internal
Puncture cannula is arranged on the front end face of rear portion closure plug and blocks plug inside with rear portion and connects, and the top of internal puncture cannula is
Tip.
Insulin is drained using the inside puncture cannula of tubulose is convenient, and the top of internal puncture cannula is point
End can facilitate the rear end face through internal connection component.
Optimization, above-mentioned insulin injection syringe needle, the internal connection component includes an internal slide cavity, internal
Cavity is slided to be arranged in the oversheath of front end and be slidably connected with front end oversheath inner wall；The front end of the internal slide cavity with
Piercing needle connects, and is provided with cavity hatch on the rear end face of internal slide cavity, inner sealing piece is provided with cavity hatch.
After at rear portion, closure plug is relatively moved with rear portion oversheath, puncture cannula internal first punctures inner sealing piece
And the end of internal puncture cannula is stretched in internal slide cavity, due to the outer surface of inner sealing piece and internal puncture cannula
Press so that sealed between internal puncture cannula and internal slide cavity.
Optimize, above-mentioned insulin injection syringe needle, fixing sleeve is connected to the promotion lantern ring on the internal puncture cannula, promotes
The lantern ring is integrally formed setting with internal puncture cannula, after internal puncture cannula passes through inner sealing piece, promotes the lantern ring to be slided with inside
Dynamic cavity rear end face contact.
After internal puncture cannula punctures inner sealing piece, the lantern ring is promoted to promote the movement of internal slide cavity so that puncture needle
Head punctures forward end seal piece.
Optimize, above-mentioned insulin injection syringe needle, slideway, internal slide chamber are provided with the front end oversheath inner wall
Slide head is provided with the side wall of body, slide head is slidably matched with slideway.
Inner sealing piece is punctured in order to facilitate internal puncture cannula, the frictional force between slide head and slideway should be able to protect
Before internal puncture cannula punctures inner sealing piece, with front end oversheath opposite slide will not occur card for internal slide cavity.
Optimization, above-mentioned insulin injection syringe needle, the front end oversheath rear end is internally provided with auxiliary seal piece, auxiliary
Help side wall and the end gluing fixation of oversheath aft end interior surface of diaphragm seal.
The leakproofness of rear portion closure plug is influenced after the rupture of back-end sealing piece in order to prevent, is increased in the technical solution of the application
Auxiliary seal piece.
Optimize, above-mentioned insulin injection syringe needle, the rear end of annular is provided with the rear end face of the rear portion oversheath
Disk is bonded, back-end sealing piece is gluing on rear end fitting disk.
In order to increase the fitting firmness of back-end sealing piece, fitting disk in rear end is added in the technical solution of the application, with
Increase the fitting area between back-end sealing piece and rear portion oversheath.
The advantage of the invention is that：In the technical solution of the application, by setting multilayer to protect, piercing needle is arranged at
In sealing space, prevent from that air pollution occurs before the injection.In the technical solution of the application, front end oversheath, rear portion oversheath,
Rear portion closure plug surrounds a closed space with forward end seal piece, back-end sealing piece, and piercing needle is wrapped in confined space
Interior, after injection of insulin syringe needle packaging is removed, piercing needle is not exposed in air, it is therefore prevented that piercing needle is subject to more
Serious pollution.When in use, rear portion closure plug sleeve is connected to the end of syringe first.Before socket, tear if desired
Except back-end sealing piece, then internal lancet and means can be exposed in air for some time, in order to avoid this case, the application
Back-end sealing piece can use aluminium-foil paper material, by rear portion closure plug sleeve be connected to the end of syringe when, it is not necessary to remove
Back-end sealing piece, only need in socket by the end of syringe by back-end sealing piece bursting, back-end sealing can be reduced
Piece is exposed to the time in air.After at rear portion, closure plug sleeve is connected to the end of syringe, by rear portion oversheath to syringe side
To movement so that internal lancet and means connect component connection through the rear end of internal connection component and with inside, and inside is worn
The front end movement that component drives internal connection component and piercing needle forward end oversheath is pierced, piercing needle punctures forward end seal
Piece so that piercing needle, which exposes, conveniently to be punctured., can be in front end oversheath pair in order to reduce the time of piercing needle exposure
Quasi- patient's epidermis and with after patient's dermal contact, will by rear portion oversheath to syringe direction move.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the internal structure schematic diagram of the present invention.
Embodiment
Below in conjunction with the accompanying drawings with the specific embodiment technical characterstic that the present invention is further explained.
Embodiment
The present invention is a kind of insulin injection syringe needle, including front end oversheath 1, rear portion oversheath 2, rear portion oversheath 2
Rear portion closure plug 3 is inside provided with, piercing needle 4 is provided with front end oversheath 1；The rear end and rear portion of the front end oversheath 1
Oversheath 2 connects, and the front end of front end oversheath 1 is internally provided with forward end seal piece 5, the side edge of forward end seal piece 5 and front end
The front inner surface of oversheath 1 is fixedly connected, and front end oversheath 1 is connected with rear portion oversheath 2；The rear portion closure plug 3 is sky
Heart pipe, the front end of rear portion closure plug 3 are closed and are arranged in rear portion oversheath 2, and the open rearward end of rear portion closure plug 3 is simultaneously arranged at
Outside rear portion oversheath 2, internal lancet and means are provided with the front end face of rear portion closure plug 3, internal lancet and means are blocked with rear portion
The connection of the inside of plug 3, rear portion closure is filled in is provided with the back-end sealing piece 6 that can be removed, back-end sealing piece 6 and rear portion on 3 rear end face
The rear end face of closure plug 3 is bonded and blocks the opening of the rear end face of rear portion closure plug 3；The rear end of the piercing needle 4 is connected with
Inside connection component, inside connection component are connected with piercing needle 4；The rear portion closure plug 3 moves in rear portion oversheath 2
Afterwards, internal lancet and means connect component connection through the rear end of internal connection component and with inside.
In the technical solution of the application, front end oversheath 1, rear portion oversheath 2, rear portion closure plug 3 and forward end seal piece 5,
Back-end sealing piece 6 surrounds a closed space, and piercing needle 4 is wrapped in confined space, is removing insulin injection syringe
After head packaging, piercing needle 4 is not exposed in air, it is therefore prevented that piercing needle 4 is subject to more serious pollution.Using
When, 3 ends for being socketed on syringe are filled in into rear portion closure first.Before socket, back-end sealing piece 6 is removed if desired, that
Internal lancet and means can be exposed in air for some time, and in order to avoid this case, the back-end sealing piece 6 of the application can
To use aluminium-foil paper material, when rear portion closure plug 3 is socketed on the end of syringe, it is not necessary to remove back-end sealing piece 6, only
Need in socket by the end of syringe by 6 bursting of back-end sealing piece, back-end sealing piece 6 can be reduced and be exposed to air
In time.After rear portion closure plug 3 is socketed on the end of syringe, rear portion oversheath 2 is moved to syringe direction so that
Internal lancet and means connect component connection through the rear end of inside connection component and with inside, and in internal lancet and means drive
The front end movement of portion's connection 4 forward end oversheath 1 of component and piercing needle, piercing needle 4 puncture forward end seal piece 5 so that wear
Pricker first 4, which exposes, conveniently to be punctured.In order to reduce the time of the exposure of piercing needle 4, patient can be directed in front end oversheath 1
Epidermis and with after patient's dermal contact, will by rear portion oversheath 2 to syringe direction move.
External screw thread is provided with the outer surface side wall of the rear portion closure plug 3, is provided with the inner surface of rear portion oversheath 2
Internal thread, rear portion closure plug 3 and 2 thread fitting of rear portion oversheath.
Rear portion closure plug 3 and 2 thread fitting of rear portion oversheath, when so there was only portion's oversheath 2 after rotation, rear portion closure
Plug 3 can just be relatively moved with rear portion oversheath 2, prevent the generation of maloperation.
The retaining collar 7 of annular is fixedly installed on the rear portion closure plug 3, retaining collar 7 is socketed on rear portion closure plug 3
On；Removable limited location snap ring 8 is also socketed with the rear portion closure plug 3, one end of limited location snap ring 8 is contacted with retaining collar 7,
The other end of limited location snap ring 8 and end in contact after rear portion oversheath 2.
When not in use, limited location snap ring 8, which can play, prevents rear portion closure plug 3 from being relatively moved with rear portion oversheath 2
Effect.Just limited location snap ring 8 is removed when needing rear portion closure plug 3 to be relatively moved with rear portion oversheath 2, is prevented because by mistake
Internal lancet and means are exposed in air by operation.
The limited location snap ring 8 is silicone elastomer ring, and jagged 9 are set on limited location snap ring 8.
With silicone elastomer ring jaggy since elasticity is larger, it is easier to be removed, convenient operation.
The internal lancet and means include an internal puncture cannula 10, and internal puncture cannula 10 is arranged at rear portion closure plug
Connected on 3 front end face and with 3 inside of rear portion closure plug, the top of internal puncture cannula 10 is tip.
Insulin is drained using the inside puncture cannula 10 of tubulose is convenient, and the top of internal puncture cannula 10
It can facilitate the rear end face through internal connection component for tip.
The internal connection component includes an internal slide cavity 11, and internal slide cavity 11 is arranged at front end oversheath
It is slidably connected in 1 and with 1 inner wall of front end oversheath；The front end of the internal slide cavity 11 is connected with piercing needle 4, and inside is sliding
Cavity hatch 12 is provided with the rear end face of dynamic cavity 11, inner sealing piece 13 is provided with cavity hatch 12.
After rear portion closure plug 3 is relatively moved with rear portion oversheath 2, puncture cannula 10 internal first punctures internal close
The end of mounting 13 and internal puncture cannula 10 is stretched in internal slide cavity 11, due to inner sealing piece 13 and internal puncture
Press the outer surface of casing 10 so that sealed between internal puncture cannula 10 and internal slide cavity 11.
Fixing sleeve, which is connected to, on the internal puncture cannula 10 promotes the lantern ring 14, promotes the lantern ring 14 and internal puncture cannula 10 1
Body formed setting, after internal puncture cannula 10 passes through inner sealing piece 13, promotes the lantern ring 14 and 11 rear end face of internal slide cavity
Contact.
After internal puncture cannula 10 punctures inner sealing piece 13, promote the lantern ring 14 to promote internal slide cavity 11 to move, make
Obtain piercing needle 4 and puncture forward end seal piece 5.
Slideway 15 is provided with 1 inner wall of front end oversheath, slide head is provided with the side wall of internal slide cavity 11
16, slide head 16 is slidably matched with slideway 15.
Inner sealing piece 13 is punctured in order to facilitate internal puncture cannula 10, the frictional force between slide head 16 and slideway 15 should
This can ensure that before internal puncture cannula 10 punctures inner sealing piece 13 internal slide cavity 11 and front end oversheath 1 are not
Opposite slide can occur.
1 rear end of front end oversheath is internally provided with auxiliary seal piece 17, side wall and the outer shield in end of auxiliary seal piece 17
Cover the gluing fixation of 1 aft end interior surface.
The leakproofness of rear portion closure plug 3 is influenced after back-end sealing piece 6 ruptures in order to prevent, is increased in the technical solution of the application
Auxiliary seal piece 17 is added.
The rear end fitting disk 18 of annular is provided with the rear end face of the rear portion oversheath 2, back-end sealing piece 6 is gluing in rear
On end fitting disk 18.
In order to increase the fitting firmness of back-end sealing piece 6, fitting disk 18 in rear end is added in the technical solution of the application,
To increase the fitting area between back-end sealing piece 6 and rear portion oversheath 2.
Certainly, it is limitation of the present invention that described above, which is not, and the present invention is also not limited to the example above, the art
Those of ordinary skill, in the essential scope of the present invention, the variations, modifications, additions or substitutions made, should all belong to the present invention
Protection domain.
Claims (10)
- A kind of 1. insulin injection syringe needle, it is characterised in that：Including front end oversheath（1）, rear portion oversheath（2）, outside rear portion Sheath（2）Inside it is provided with rear portion closure plug（3）, front end oversheath（1）Inside it is provided with piercing needle（4）；The front end oversheath （1）Rear end and rear portion oversheath（2）Connection, front end oversheath（1）Front end be internally provided with forward end seal piece（5）, front end Diaphragm seal（5）Side along and front end oversheath（1）Front inner surface be fixedly connected, front end oversheath（1）With being protected outside rear portion Set（2）Connection；The rear portion closure plug（3）For hollow pipe, rear portion closure plug（3）Front end close and be arranged at rear portion oversheath （2）It is interior, rear portion closure plug（3）Open rearward end and be arranged at rear portion oversheath（2）Outside, rear portion closure plug（3）Front end face on Internal lancet and means are provided with, internal lancet and means are filled in rear portion closure（3）Inside connection, rear portion closure plug（3）Rear end face On be provided with the back-end sealing piece that can be removed（6）, back-end sealing piece（6）Block and fill in rear portion（3）Rear end face be bonded and block Rear portion closure plug（3）Rear end face opening；The piercing needle（4）Rear end be connected with internal connection component, inside connection Component and piercing needle（4）Connection；The rear portion closure plug（3）In rear portion oversheath（2）After interior movement, internal lancet and means are worn Cross the rear end of internal connection component and component connection is connected with inside.
- 2. insulin injection syringe needle according to claim 1, it is characterised in that：The rear portion closure plug（3）Appearance External screw thread, rear portion oversheath are provided with the wall of surface side（2）Inner surface on be provided with internal thread, rear portion closure plug（3）With rear portion Oversheath（2）Thread fitting.
- 3. insulin injection syringe needle according to claim 2, it is characterised in that：The rear portion closure plug（3）Upper fixation It is provided with the retaining collar of annular（7）, retaining collar（7）It is socketed on rear portion closure plug（3）On；The rear portion closure plug（3）On Also it is socketed with removable limited location snap ring（8）, limited location snap ring（8）One end and retaining collar（7）Contact, limited location snap ring（8）'s The other end and rear portion oversheath（2）End in contact afterwards.
- 4. insulin injection syringe needle according to claim 3, it is characterised in that：The limited location snap ring（8）For silica gel bullet Property ring, limited location snap ring（8）Upper setting is jagged（9）.
- 5. insulin injection syringe needle according to claim 1, it is characterised in that：The internal lancet and means include one Internal puncture cannula（10）, internal puncture cannula（10）It is arranged at rear portion closure plug（3）Front end face on and with rear portion block fill in （3）Inside connection, internal puncture cannula（10）Top be tip.
- 6. insulin injection syringe needle according to claim 5, it is characterised in that：The internal connection component includes one Internal slide cavity（11）, internal slide cavity（11）It is arranged at front end oversheath（1）It is interior and with front end oversheath（1）Inner wall is slided Dynamic connection；The internal slide cavity（11）Front end and piercing needle（4）Connection, internal slide cavity（11）Rear end face on It is provided with cavity hatch（12）, cavity hatch（12）On be provided with inner sealing piece（13）.
- 7. insulin injection syringe needle according to claim 6, it is characterised in that：The internal puncture cannula（10）It is upper solid Surely it is socketed with the promotion lantern ring（14）, promote the lantern ring（14）With internal puncture cannula（10）It is integrally formed setting, internal puncture cannula （10）Through inner sealing piece（13）Afterwards, the lantern ring is promoted（14）With internal slide cavity（11）Rear end face contacts.
- 8. insulin injection syringe needle according to claim 1, it is characterised in that：The front end oversheath（1）On inner wall It is provided with slideway（15）, internal slide cavity（11）Side wall on be provided with slide head（16）, slide head（16）With slideway（15） It is slidably matched.
- 9. insulin injection syringe needle according to claim 1, it is characterised in that：The front end oversheath（1）In rear end Portion is provided with auxiliary seal piece（17）, auxiliary seal piece（17）Side wall with end oversheath（1）The gluing fixation of aft end interior surface.
- 10. insulin injection syringe needle according to claim 1, it is characterised in that：The rear portion oversheath（2）Rear end The rear end fitting disk of annular is provided with face（18）, back-end sealing piece（6）It is gluing to be bonded disk in rear end（18）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711322913.5A CN107929886B (en) | 2017-12-12 | 2017-12-12 | Needle for insulin injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711322913.5A CN107929886B (en) | 2017-12-12 | 2017-12-12 | Needle for insulin injection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107929886A true CN107929886A (en) | 2018-04-20 |
| CN107929886B CN107929886B (en) | 2020-09-01 |
Family
ID=61943836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711322913.5A Active CN107929886B (en) | 2017-12-12 | 2017-12-12 | Needle for insulin injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107929886B (en) |
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| CN204910341U (en) * | 2015-07-27 | 2015-12-30 | 鹰潭荣嘉集团医疗器械实业有限公司 | Aseptic syringe of disposable |
| CN206473628U (en) * | 2016-11-26 | 2017-09-08 | 中国人民解放军第四军医大学 | A kind of safe syringe |
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|---|---|---|---|---|
| CN2207833Y (en) * | 1994-12-30 | 1995-09-20 | 胡镇生 | Needle and injection integrated syringe |
| US20030144633A1 (en) * | 2002-01-30 | 2003-07-31 | Fritz Kirchhofer | Injection device comprising a sterilely attached injection needle and a needle support and ampoule for such an injection device |
| CN2617389Y (en) * | 2003-05-12 | 2004-05-26 | 袁林 | Needles of infusion apparatuses |
| CN203954196U (en) * | 2014-06-19 | 2014-11-26 | 重庆医科大学附属儿童医院 | A kind of syringe needle sealing device |
| CN204684360U (en) * | 2015-03-30 | 2015-10-07 | 杭州富阳新锐生物科技有限公司 | A kind of hospital syringe |
| CN204910341U (en) * | 2015-07-27 | 2015-12-30 | 鹰潭荣嘉集团医疗器械实业有限公司 | Aseptic syringe of disposable |
| CN206473628U (en) * | 2016-11-26 | 2017-09-08 | 中国人民解放军第四军医大学 | A kind of safe syringe |
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| CN107929886B (en) | 2020-09-01 |
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