CN108057146A - A kind of closed needle assembly of insulin injection - Google Patents
A kind of closed needle assembly of insulin injection Download PDFInfo
- Publication number
- CN108057146A CN108057146A CN201711321607.XA CN201711321607A CN108057146A CN 108057146 A CN108057146 A CN 108057146A CN 201711321607 A CN201711321607 A CN 201711321607A CN 108057146 A CN108057146 A CN 108057146A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- protection casing
- end protection
- internal
- 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
Links
- 238000002347 injection Methods 0.000 title claims abstract description 79
- 239000007924 injection Substances 0.000 title claims abstract description 79
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 102000004877 Insulin Human genes 0.000 title claims abstract description 34
- 108090001061 Insulin Proteins 0.000 title claims abstract description 34
- 229940125396 insulin Drugs 0.000 title claims abstract description 34
- RTKIYNMVFMVABJ-UHFFFAOYSA-L thimerosal Chemical compound [Na+].CC[Hg]SC1=CC=CC=C1C([O-])=O RTKIYNMVFMVABJ-UHFFFAOYSA-L 0.000 claims description 23
- 229940033663 thimerosal Drugs 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 5
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- 229910052740 iodine Inorganic materials 0.000 claims description 3
- 239000011630 iodine Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229940098465 tincture Drugs 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000005238 degreasing Methods 0.000 claims 1
- 239000000243 solution Substances 0.000 abstract description 9
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 10
- 238000005457 optimization Methods 0.000 description 8
- 238000012856 packing Methods 0.000 description 7
- 210000002615 epidermis Anatomy 0.000 description 5
- 210000003491 skin Anatomy 0.000 description 4
- 210000002268 wool Anatomy 0.000 description 4
- 210000000496 pancreas Anatomy 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 2
- 230000009172 bursting Effects 0.000 description 2
- 206010012601 diabetes mellitus Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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
- A61M5/3202—Devices for protection of the needle before use, e.g. caps
-
- 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
- A61M35/00—Devices for applying media, e.g. remedies, on the human body
- A61M35/003—Portable hand-held applicators having means for dispensing or spreading integral media
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of closed needle assemblies of insulin injection, it is characterised in that：Including front-end protection casing（1）With rear end protection sleeve pipe（2）, front-end protection casing（1）Front end closing, front-end protection casing（1）Rear end and rear end protection sleeve pipe（2）Front end connection, front-end protection casing（1）With rear end protection sleeve pipe（2）Connection；The front-end protection casing（1）Leading portion be socketed with front end outer sleeve（3）, front end outer sleeve（3）With front-end protection casing（1）Sliding contact；The front end outer sleeve（3）Front end face on be provided with through hole one（4）, through hole one（4）On be provided with diaphragm seal one（5）；The front-end protection casing（1）Front end face on be provided with through hole two（6）, through hole one（4）With through hole two（6）Axis be located along the same line；The front-end protection casing（1）Inside it is provided with injection needle（8）, injection needle（8）Front end for tip and towards through hole two（6）, injection needle（8）Rear end be connected with the sleeve that is slidably connected（9）, be slidably connected sleeve（9）It is arranged at front-end protection casing（1）Interior and and injection needle（8）Connection.It is simple in the structure of the technical solution of the application, progress injection of insulin is used in convenient environment outdoors.
Description
Technical field
The present invention relates to a kind of closed needle assemblies of insulin injection, belong to medical instruments field.
Background technology
Many people suffer from diabetes.Because their diabetes, many people in them have to one day inject several
It is secondary, typically on the feed after, therefore no matter where, they are required for carrying insulin syringe.There are many current
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 several 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
It penetrates, injection needle is removed again after the completion of injection and is thrown aside, syringe is placed in case next time uses.In injection of insulin,
It needs to inject again after first carrying out disinfection to site of puncture, but existing disinfection tool and injection device are all separated
, it is inconvenient to carry when going out.And existing injection needle is only wrapped up by outer packing, after outer packing is removed, note
Syringe needle can be caused more serious pollution for some time in air by penetrating syringe needle.
The content of the invention
" existing disinfection tool and injection device are all separated, are carried when going out for existing in the prior art
It is inconvenient.And existing injection needle is only wrapped up by outer packing, and after outer packing is removed, injection needle has one section
Time be exposed to air in, more serious pollution can be caused to syringe needle " deficiency, it is closed to provide a kind of insulin injection
Needle assembly.
In order to solve the above technical problems, the present invention adopts the technical scheme that, a kind of closed syringe needle of insulin injection
Component, including front-end protection casing and rear end protection sleeve pipe, the front end of front-end protection casing is closed, the rear end of front-end protection casing
It is connected with the front end of rear end protection sleeve pipe, front-end protection casing is connected with rear end protection sleeve pipe；Before the front-end protection casing
Section is socketed with front end outer sleeve, and front end outer sleeve is contacted with front-end protection cannula slide；Before the front end outer sleeve
Through hole one is provided on end face, diaphragm seal one is provided on through hole one；It is provided on the front end face of the front-end protection casing logical
The axis of hole two, through hole one and through hole two is located along the same line；Injection needle is provided in the front-end protection casing, is injected
The front end of syringe needle is for tip and towards through hole two, and the rear end of injection needle is connected with the sleeve that is slidably connected, and the sleeve that is slidably connected is set
It is placed in front-end protection casing and is connected with injection needle, the rear end for the sleeve that is slidably connected is connected with telescopic sleeve, telescopic
One end of pipe and the end for the sleeve that is slidably connected are socketed, and the other end of telescopic sleeve is connected with rear portion branch sleeve, rear portion connection
Sleeve is arranged in the protection sleeve pipe of rear end, and the lateral wall of rear portion branch sleeve is fixed with the inner surface sealing of rear end protection sleeve pipe；
Thimerosal is filled between the front end outer sleeve inner surface and the leading portion outer surface of front-end protection casing；The front-end protection
It is provided with internal puncture needle in casing, the front end of internal puncture needle is the back-end closure of taper inner puncture needle, internal puncture needle
Through front-end protection casing front end face and be connected with front-end protection cannula slide；The outer surface of the sleeve that is slidably connected is with before
Fixation kit is provided between the inner surface of end protective cover pipe, front end outer sleeve on front-end protection casing when sliding in extruding
After portion's puncture needle, the rear end of internal puncture needle squeezes fixation kit and fixation kit is disengaged with the sleeve that is slidably connected；Afterwards
Diaphragm seal three is fitted on the rear end face of end protective cover pipe；The leading portion of the front-end protection casing is internally provided with internal /V
Piece, injection needle through internal banking stop and with internal banking stop sliding contact；It is set on the side wall of the sleeve that is slidably connected
There is connecting plate, tension spring is provided between connecting plate and internal banking stop, the both ends of tension spring are consolidated respectively with connecting plate, internal banking stop
Fixed connection.
In the technical solution of the application be provided with front-end protection casing and rear end protection sleeve pipe, by front end outer sleeve,
The encirclement of front-end protection casing, rear end protection sleeve pipe and diaphragm seal three forms the space of a closing, and injection needle is arranged at
In the space of this closing.After the outer packing of injection needle is removed, by front end outer sleeve, front-end protection casing, after
End protective cover pipe and diaphragm seal three protect injection needle not contacted with air, avoid injection needle and are subject to dirt in air
Dye.
In the technical solution of the application, between front end outer sleeve inner surface and the leading portion outer surface of front-end protection casing
Filled with thimerosal, when in use, by promoting front end outer sleeve front end outer sleeve forward end protection sleeve pipe rear end
Direction is moved, after the movement of front end outer sleeve, internal spike pierces diaphragm seal one, and outside the outer sleeve front end of front end
It flows out the position that thimerosal between internal surface of casing and the leading portion outer surface of front-end protection casing is punctured by diaphragm seal one
It carries out disinfection to patient's epidermis.
Silicone elastomer hose or silica gel organ pipe of the prior art may be employed in telescopic sleeve in the application.
The injection needle of the application when in use, by rear end installation of guard sleeve on syringe, pancreas islet in the prior art
The end connecting pin of plain syringe is normal structure, and the rear aperture shape of the rear end protection sleeve pipe of the application is fabricated to and pancreas
The normal structure of the end connecting pin cooperation of island element syringe.
After in rear end, protection sleeve pipe is fixedly installed on syringe, by front end outer sleeve forward end protection sleeve pipe rear end
Direction is moved, internal spike pierces diaphragm seal one, and thimerosal outflow sterilizes patient's epidermis.Internal puncture needle is promoted forward
Extreme direction moves after end protective cover pipe, and the rear end of internal puncture needle promotes fixation kit to cause fixation kit and the sleeve that is slidably connected
It disengages, extreme direction is mobile before drive injection needle forward end protection sleeve pipe under the action of tension spring and pierces for the sleeve that is slidably connected
Broken diaphragm seal one.It, can when in use will be before the outer sleeve of front end in order to reduce time of the injection needle in the air
The end position to be injected of alignment is simultaneously affixed on patient skin later again so that front end outer sleeve forward end protection sleeve pipe rear end side
To movement.
In rear end, installation of guard sleeve removes diaphragm seal three if necessary when on syringe, then rear end protection sleeve pipe
Inside can be for some time in the air, in order to avoid this case, aluminium foil may be employed in the diaphragm seal three of the application
Paper wood matter when rear end protection sleeve pipe to be socketed on to the end of syringe, need not remove diaphragm seal three, need to only lead in socket
The end of syringe is crossed by three bursting of diaphragm seal, can reduce the inside of rear end protection sleeve pipe in air when
Between.
Optimization, the above-mentioned closed needle assembly of insulin injection, the leading portion side of the internal puncture needle is provided with
/V fin；After front end outer sleeve slides on front-end protection casing, /V fin is contacted with /V fin front inner surface.
After the outer sleeve forward end protection sleeve pipe of front end extreme direction movement after, the front inner surface of front end outer sleeve with
/V fin contacts simultaneously promote /V fin mobile and then promote internal puncture needle movement.
Optimization, the above-mentioned closed needle assembly of insulin injection, the leading portion of the internal puncture needle is internally provided with
Internal cavity, the open-ended of internal cavity are arranged on the front end face of internal puncture needle, on the leading portion side wall of internal puncture needle
Deflector hole is provided with, deflector hole is connected with internal cavity.
Thimerosal is flowed into internal cavity by deflector hole and passes through the open-ended outflow of internal cavity and then to suffering from
Person's skin carries out disinfection.
Optimization, the above-mentioned closed needle assembly of insulin injection, the fixation kit includes rotary spacing piece, rotates
The middle part of banking stop is rotatablely connected with front-end protection internal surface of sleeve pipe；Arc groove is provided on the side wall of the sleeve that is slidably connected,
The elastic sheet metal that two panels is arranged in parallel is fixedly connected on the inner wall of front-end protection casing；One end of the rotary spacing piece is set
Be placed in arc groove and with arc groove sliding contact, the other end of rotary spacing piece is arranged between two panels elastic sheet metal.
Rotary spacing piece passes through elastic sheet metal limitation and rotates in the movement of syringe needle limit slippage branch sleeve when not in use
Banking stop does not rotate.After the sleeve that is slidably connected promotes elastic sheet metal, the rotary spacing between two elastic sheet metals
Piece rotates and is disengaged with arc groove so that the sleeve that is slidably connected departs from the limitation of rotary spacing piece and then can be preceding
End protective cover in-pipe.
Optimization, the above-mentioned closed needle assembly of insulin injection, the both sides of the sleeve that is slidably connected are set respectively
There is one group of fixation kit.
Optimize, the above-mentioned closed needle assembly of insulin injection, the front end outer sleeve and front end outer sleeve
Between be provided with several elastic supporting bars, the both ends of elastic supporting bar are fixed respectively with front end outer sleeve, front end outer sleeve
Connection.
Optimization, the above-mentioned closed needle assembly of insulin injection, the elastic supporting bar is the nylon elastic of arc
Bar.
Front end outer sleeve maloperation in order to prevent adds elastic supporting bar in the technical solution of the application, before support
Hold position between outer sleeve and front end outer sleeve.When in use, deformed by the elastic supporting bar that exerts a force.It is noting
After the completion of penetrating, elastic supporting bar occurs elasticity and recovers so that front end outer sleeve sets back and puts, such injection needle again by
Front end outer sleeve package, prevents injection needle exposure from accidentally injuring other people.Optimization, the above-mentioned closed syringe needle group of insulin injection
Part, the rear portion branch sleeve are the inner wall gluing of divergent-cone wall, rear portion branch sleeve end edge and rear end protection sleeve pipe
Sealing.
Optimize, the above-mentioned closed needle assembly of insulin injection, sealing is provided on the through hole two
Piece two.
Diaphragm seal two can continue to keep the leakproofness inside needle assembly after one timeliness of diaphragm seal.
Optimization, the above-mentioned closed needle assembly of insulin injection, the front end outer sleeve inner surface is with before
Absorbent cotton wool filled with preimpregnation thimerosal between the leading portion outer surface of end protective cover pipe, thimerosal is the tincture of iodine.
Thimerosal leaks in order to prevent, by absorbent cotton wool absorbing disinfection liquid, reduces the mobility of thimerosal.
The advantage of the invention is that：Front-end protection casing and rear end protection sleeve pipe are provided in the technical solution of the application,
The space of one closing is formed by the encirclement of front end outer sleeve, front-end protection casing, rear end protection sleeve pipe and diaphragm seal three,
Injection needle is arranged in the space of this closing.After the outer packing of injection needle is removed, by front end outer sleeve,
Front-end protection casing, rear end protection sleeve pipe and diaphragm seal three protect injection needle not contacted with air, and it is sudden and violent to avoid injection needle
It is exposed in air and is contaminated.In the technical solution of the application, before front end outer sleeve inner surface and front-end protection casing
Filled with thimerosal between section outer surface, when in use, by promoting front end outer sleeve front end outer sleeve forward end
Extreme direction moves after protection sleeve pipe, after the movement of front end outer sleeve, internal spike pierces diaphragm seal one, and outside front end
Thimerosal between casing front end outer sleeve inner surface and the leading portion outer surface of front-end protection casing is pierced by diaphragm seal one
Broken position flows out to patient's epidermis and carries out disinfection.
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；
Fig. 3 is enlarged drawing at the A of Fig. 2.
Specific embodiment
Below in conjunction with the accompanying drawings with the specific embodiment technical characterstic that the present invention is further explained.
The present invention is a kind of closed needle assembly of insulin injection, including front-end protection casing 1 and rear end protective cover
Pipe 2, the front end closing of front-end protection casing 1, the rear end of front-end protection casing 1 are connected with the front end of rear end protection sleeve pipe 2, front end
Protection sleeve pipe 1 is connected with rear end protection sleeve pipe 2；The leading portion of the front-end protection casing 1 is socketed with front end outer sleeve 3, front end
Outer sleeve 3 and 1 sliding contact of front-end protection casing；Through hole 1 is provided on the front end face of the front end outer sleeve 3, is led to
Diaphragm seal 1 is provided on hole 1；Through hole 26, through hole 1 and through hole are provided on the front end face of the front-end protection casing 1
26 axis is located along the same line；Injection needle 8 is provided in the front-end protection casing 1, the front end of injection needle 8 is
Tip and towards through hole 26, the rear end of injection needle 8 is connected with the sleeve 9 that is slidably connected, and the sleeve 9 that is slidably connected is arranged at front end
It is connected in protection sleeve pipe 1 and with injection needle 8, the rear end for the sleeve 9 that is slidably connected is connected with telescopic sleeve 10, telescopic sleeve 10
One end and the end of the sleeve 9 that is slidably connected be socketed, the other end of telescopic sleeve 10 is connected with rear portion branch sleeve 11, and rear portion connects
Female connector cylinder 11 is arranged in rear end protection sleeve pipe 2, and the lateral wall and the inner surface of rear end protection sleeve pipe 2 of rear portion branch sleeve 11 are close
Sealing is determined；Thimerosal is filled between 3 inner surface of front end outer sleeve and the leading portion outer surface of front-end protection casing 1；Institute
It states and internal puncture needle 12 is provided in front-end protection casing 1, the front end of internal puncture needle 12 is after taper inner puncture needle 12
End seal is closed, and internal puncture needle 12 passes through the front end face of front-end protection casing 1 and is slidably connected with front-end protection casing 1；The cunning
Fixation kit is provided between the outer surface of dynamic branch sleeve 9 and the inner surface of front-end protection casing 1, front end outer sleeve 3 exists
After internal puncture needle 12 is squeezed when being slided on front-end protection casing 1, the rear end of internal puncture needle 12 squeezes fixation kit and causes admittedly
Determine component to disengage with the sleeve 9 that is slidably connected；Diaphragm seal 3 13 is fitted on the rear end face of rear end protection sleeve pipe 2；Before described
The leading portion of end protective cover pipe 1 is internally provided with internal banking stop 18, injection needle 8 through internal banking stop 18 and with internal /V
18 sliding contact of piece；Be provided with connecting plate 22 on the side wall of sleeve 9 that is slidably connected, connecting plate 22 and internal banking stop 18 it
Between be provided with tension spring 23, the both ends of tension spring 23 are fixedly connected respectively with connecting plate 22, internal banking stop 18.
Front-end protection casing 1 and rear end protection sleeve pipe 2 are provided in the technical solution of the application, passes through front end outer sleeve
3rd, the encirclement of front-end protection casing 1, rear end protection sleeve pipe 2 and diaphragm seal 3 13 forms the space of a closing, by injection needle 8
It is arranged in the space of this closing.After the outer packing of injection needle is removed, pass through front end outer sleeve 3, front-end protection
Casing 1, rear end protection sleeve pipe 2 and diaphragm seal 3 13 protect injection needle 8 not contacted with air, avoid injection needle 8 and expose
It is contaminated in air.
In the technical solution of the application, in front end the leading portion outer surface of 3 inner surface of outer sleeve and front-end protection casing 1 it
Between filled with thimerosal, when in use, by promoting 3 front end outer sleeve of front end outer sleeve, 3 forward end protection sleeve pipe 1
Extreme direction moves afterwards, and after the movement of front end outer sleeve 3, internal puncture needle 12 punctures diaphragm seal 1, and front end outer sleeve
Thimerosal between 3 front end outer sleeve, 3 inner surface and the leading portion outer surface of front-end protection casing 1 is pierced by diaphragm seal 1
Broken position flows out to patient's epidermis and carries out disinfection.
The injection needle of the application when in use, rear end protection sleeve pipe 2 is installed on syringe, in the prior art pancreas islet
The end connecting pin of plain syringe is normal structure, the rear aperture shape of the rear end protection sleeve pipe 2 of the application be fabricated to
The normal structure of the end connecting pin cooperation of insulin syringe.
After rear end protection sleeve pipe 2 is fixedly installed on syringe, by 3 forward end protection sleeve pipe 1 of front end outer sleeve
Extreme direction moves afterwards, and internal puncture needle 12 punctures diaphragm seal 1, and thimerosal outflow sterilizes patient's epidermis.Internal puncture needle 12
It is moved by extreme direction after promotion forward end protection sleeve pipe 1, the rear end of internal puncture needle 12 promotes fixation kit to cause fixation kit
Sleeve 9 disengages with being slidably connected, and the sleeve 9 that is slidably connected drives 8 forward end of injection needle to protect under the action of tension spring 23
Extreme direction is mobile before casing 1 and punctures diaphragm seal 1.In order to reduce time of the injection needle 8 in air, can make
The front end of front end outer sleeve 3 is directed at the position to be injected and is affixed on patient skin later again so that front end outer cover by the used time
Extreme direction moves after 3 forward end protection sleeve pipe 1 of pipe.
When protection sleeve pipe 2 is installed on syringe in rear end, diaphragm seal 3 13 is removed if necessary, then rear end protective cover
The inside of pipe 2 can be for some time in air, and in order to avoid this case, the diaphragm seal 3 13 of the application may be employed
Aluminium-foil paper material when rear end protection sleeve pipe 2 to be socketed on to the end of syringe, need not remove diaphragm seal 3 13, only need to be
By the end of syringe by 3 13 bursting of diaphragm seal during socket, the inside that can reduce rear end protection sleeve pipe 2 is exposed to
Time in air.
The leading portion side of the internal puncture needle 12 is provided with /V fin 14；Front end outer sleeve 3 is in front-end protection set
After being slided on pipe 1, /V fin 14 is contacted with 14 front inner surface of /V fin.
After 3 forward end protection sleeve pipe 1 of front end outer sleeve after extreme direction movement, table in the front end of front end outer sleeve 3
Face contacts with /V fin 14 and /V fin 14 is promoted to move and then internal puncture needle 12 is promoted to move.
The leading portion of the internal puncture needle 12 is internally provided with internal cavity 25, and the open-ended of internal cavity 25 is arranged at
On the front end face of internal puncture needle 12, deflector hole 19, deflector hole 19 and inside are provided on the leading portion side wall of internal puncture needle 12
Cavity 25 connects.
Thimerosal be flowed by deflector hole 19 in internal cavity 25 and pass through internal cavity 25 it is open-ended flow out into
And it carries out disinfection to patient skin.
The fixation kit includes rotary spacing piece 15, and middle part and 1 inner wall of front-end protection casing of rotary spacing piece 15 turn
Dynamic connection；Arc groove 16 is provided on the side wall of sleeve 9 that is slidably connected, is fixedly connected on the inner wall of front-end protection casing 1
There is the elastic sheet metal 17 that two panels is arranged in parallel；One end of the rotary spacing piece 15 is arranged in arc groove 16 and and arc groove
16 sliding contacts, the other end of rotary spacing piece 15 are arranged between two panels elastic sheet metal 17.
Rotary spacing piece 15 is limited by elastic sheet metal 17 in the movement of syringe needle limit slippage branch sleeve 9 when not in use
Rotary spacing piece 15 processed does not rotate.After the sleeve 9 that is slidably connected promotes elastic sheet metal 17, two elastic sheet metals 17 it
Between rotary spacing piece 15 rotate and disengaged with arc groove 16 so that the sleeve 9 that is slidably connected depart from rotary spacing piece
It 15 limitation and then can be moved in front-end protection casing 1.
The both sides for being slidably connected sleeve 9 are respectively arranged with one group of fixation kit.
Several elastic supporting bars 20, elastic supporting bar are provided between the front end outer sleeve 3 and front end outer sleeve 3
20 both ends are fixedly connected respectively with front end outer sleeve 3, front end outer sleeve 3.
The elastic supporting bar 20 is the nylon elastic bar of arc.
3 maloperation of front end outer sleeve in order to prevent adds elastic supporting bar 20 in the technical solution of the application, supports
Position between front end outer sleeve 3 and front end outer sleeve 3.When in use, become by the elastic supporting bar 20 that exerts a force
Shape.After the completion of injection, elastic supporting bar 20 occurs elasticity and recovers so that front end outer sleeve 3 sets back and puts, so injection
Syringe needle 8 is wrapped up again by front end outer sleeve 3, prevents the exposure of injection needle 8 from accidentally injuring other people.Optimization, above-mentioned injection of insulin
With closed needle assembly, the rear portion branch sleeve 11 is divergent-cone wall, 11 end edge of rear portion branch sleeve and rear end
The inner wall adhesive sealing of protection sleeve pipe 2.
Diaphragm seal 27 is provided on the through hole 26.
Diaphragm seal 27 can continue to keep the leakproofness inside needle assembly after one 5 timeliness of diaphragm seal.
Filled with preimpregnation between 3 inner surface of front end outer sleeve and the leading portion outer surface of front-end protection casing 1
The absorbent cotton wool of thimerosal, thimerosal are the tincture of iodine.
Thimerosal leaks in order to prevent, by absorbent cotton wool absorbing disinfection liquid, reduces the mobility of thimerosal.
Certainly, it is limitation of the present invention that above description, 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)
1. protection sleeve pipe（2）, front-end protection casing（1）Front end closing, front-end protection casing（1）Rear end and rear end protective cover
Pipe（2）Front end connection, front-end protection casing（1）With rear end protection sleeve pipe（2）Connection；The front-end protection casing（1）Before
Section is socketed with front end outer sleeve（3）, front end outer sleeve（3）With front-end protection casing（1）Sliding contact；Outside the front end
Casing（3）Front end face on be provided with through hole one（4）, through hole one（4）On be provided with diaphragm seal one（5）；The front-end protection set
Pipe（1）Front end face on be provided with through hole two（6）, through hole one（4）With through hole two（6）Axis be located along the same line；It is described
Front-end protection casing（1）Inside it is provided with injection needle（8）, injection needle（8）Front end for tip and towards through hole two（6）, note
Penetrate syringe needle（8）Rear end be connected with the sleeve that is slidably connected（9）, be slidably connected sleeve（9）It is arranged at front-end protection casing（1）Inside simultaneously
And and injection needle（8）Connection, be slidably connected sleeve（9）Rear end be connected with telescopic sleeve（10）, telescopic sleeve（10）One
It holds and is slidably connected sleeve（9）End socket, telescopic sleeve（10）The other end be connected with rear portion branch sleeve（11）, rear portion
Branch sleeve（11）It is arranged at rear end protection sleeve pipe（2）It is interior, rear portion branch sleeve（11）Lateral wall and rear end protection sleeve pipe（2）
Inner surface sealing fix；The front end outer sleeve（3）Inner surface and front-end protection casing（1）Leading portion outer surface between fill out
Filled with thimerosal；The front-end protection casing（1）Inside it is provided with internal puncture needle（12）, internal puncture needle（12）Front end for point
The internal puncture needle in end（12）Back-end closure, internal puncture needle（12）Through front-end protection casing（1）Front end face and and front end
Protection sleeve pipe（1）It is slidably connected；The sleeve that is slidably connected（9）Outer surface and front-end protection casing（1）Inner surface between
It is provided with fixation kit, front end outer sleeve（3）In front-end protection casing（1）Internal puncture needle is squeezed during upper slip（12）Afterwards,
Internal puncture needle（12）Rear end squeeze fixation kit and cause fixation kit and be slidably connected sleeve（9）It disengages；Rear end is protected
Protecting pipe（2）Rear end face on be fitted with diaphragm seal three（13）；The front-end protection casing（1）Leading portion be internally provided with inside
Banking stop（18）, injection needle（8）Through internal banking stop（18）And with internal banking stop（18）Sliding contact；The company of slip
Female connector cylinder（9）Side wall on be provided with connecting plate（22）, connecting plate（22）With internal banking stop（18）Between be provided with tension spring
（23）, tension spring（23）Both ends respectively with connecting plate（22）, internal banking stop（18）It is fixedly connected.
2. the closed needle assembly of insulin injection according to claim 1, it is characterised in that：The internal puncture needle
（12）Leading portion side be provided with /V fin（14）；Front end outer sleeve（3）In front-end protection casing（1）After upper slip, limit
Position fin（14）With /V fin（14）Front inner surface contacts.
3. the closed needle assembly of insulin injection according to claim 2, it is characterised in that：The internal puncture needle
（12）Leading portion be internally provided with internal cavity（25）, internal cavity（25）Open-ended be arranged at internal puncture needle（12）'s
On front end face, internal puncture needle（12）Leading portion side wall on be provided with deflector hole（19）, deflector hole（19）With internal cavity（25）
Connection.
4. the closed needle assembly of insulin injection according to claim 2, it is characterised in that：The fixation kit bag
Include rotary spacing piece（15）, rotary spacing piece（15）Middle part and front-end protection casing（1）Inner wall is rotatablely connected；The company of slip
Female connector cylinder（9）Side wall on be provided with arc groove（16）, front-end protection casing（1）Inner wall on be fixedly connected with that two panels is parallel to be set
The elastic sheet metal put（17）；The rotary spacing piece（15）One end be arranged at arc groove（16）Interior and and arc groove（16）It is sliding
Dynamic contact, rotary spacing piece（15）The other end be arranged at two panels elastic sheet metal（17）Between.
5. the closed needle assembly of insulin injection according to claim 4, it is characterised in that：The chain to be slidably connected set
Cylinder（9）Both sides be respectively arranged with one group of fixation kit.
6. the closed needle assembly of insulin injection according to claim 1, it is characterised in that：The front end outer cover
Pipe（3）With front end outer sleeve（3）Between be provided with several elastic supporting bars（20）, elastic supporting bar（20）Both ends respectively with
Front end outer sleeve（3）, front end outer sleeve（3）It is fixedly connected.
7. the closed needle assembly of insulin injection according to claim 6, it is characterised in that：The elastic supporting bar
（20）For the nylon elastic bar of arc.
8. the closed needle assembly of insulin injection according to claim 1, it is characterised in that：The rear portion connector sleeve
Cylinder（11）For divergent-cone wall, rear portion branch sleeve（11）End edge and rear end protection sleeve pipe（2）Inner wall adhesive sealing.
9. the closed needle assembly of insulin injection according to claim 1, it is characterised in that：The through hole two（6）
On be provided with diaphragm seal two（7）.
10. the closed needle assembly of insulin injection according to claim 1, it is characterised in that：It is described
Front end outer sleeve（3）Inner surface and front-end protection casing（1）Leading portion outer surface between filled with preimpregnation thimerosal degreasing
Absorbent cotton, thimerosal are the tincture of iodine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321607.XA CN108057146B (en) | 2017-12-12 | 2017-12-12 | Closed type needle assembly for insulin injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711321607.XA CN108057146B (en) | 2017-12-12 | 2017-12-12 | Closed type needle assembly for insulin injection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108057146A true CN108057146A (en) | 2018-05-22 |
| CN108057146B CN108057146B (en) | 2020-11-17 |
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ID=62138229
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711321607.XA Expired - Fee Related CN108057146B (en) | 2017-12-12 | 2017-12-12 | Closed type needle assembly for insulin injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108057146B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111570426A (en) * | 2020-05-24 | 2020-08-25 | 江山市发发科技有限公司 | Pre-assembled medical flusher |
| CN111570427A (en) * | 2020-05-24 | 2020-08-25 | 江山市发发科技有限公司 | Preassembled medical flusher and assembling and flushing method thereof |
| CN111569192A (en) * | 2020-05-28 | 2020-08-25 | 中国人民解放军陆军军医大学第一附属医院 | Safety insulin injection pen |
| CN111570433A (en) * | 2020-05-24 | 2020-08-25 | 江山市发发科技有限公司 | Membrane isolation disinfection storage flusher |
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| CN1856333A (en) * | 2003-08-11 | 2006-11-01 | 贝克顿·迪金森公司 | Medication delivery pen assembly with needle locking safety shield |
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| CN111570426A (en) * | 2020-05-24 | 2020-08-25 | 江山市发发科技有限公司 | Pre-assembled medical flusher |
| CN111570427A (en) * | 2020-05-24 | 2020-08-25 | 江山市发发科技有限公司 | Preassembled medical flusher and assembling and flushing method thereof |
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| CN111569192B (en) * | 2020-05-28 | 2022-02-15 | 中国人民解放军陆军军医大学第一附属医院 | Safety insulin injection pen |
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| Publication number | Publication date |
|---|---|
| CN108057146B (en) | 2020-11-17 |
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Effective date of registration: 20201020 Address after: No. 99, Longcheng street, Xiaodian District, Taiyuan, Shanxi Province Applicant after: Chen Xiaoqin Address before: The middle Tianfu Avenue in Chengdu city Sichuan province 610041 No. 1388 1 8 storey building No. 866 Applicant before: CHENGDU YUYA SCIENCE & TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20201029 Address after: 030000 Longcheng street, Taiyuan, Shanxi 99 Applicant after: Shanxi Bethune hospital (Shanxi Academy of Medical Sciences) Address before: No. 99, Longcheng street, Xiaodian District, Taiyuan, Shanxi Province Applicant before: Chen Xiaoqin |
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