CN107497018A - Disposable children's safe injection needle - Google Patents

Disposable children's safe injection needle Download PDF

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Publication number
CN107497018A
CN107497018A CN201710905699.XA CN201710905699A CN107497018A CN 107497018 A CN107497018 A CN 107497018A CN 201710905699 A CN201710905699 A CN 201710905699A CN 107497018 A CN107497018 A CN 107497018A
Authority
CN
China
Prior art keywords
draw point
needle guard
slip cap
syringe
storage
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
Application number
CN201710905699.XA
Other languages
Chinese (zh)
Other versions
CN107497018B (en
Inventor
刘延锦
刘南
范静雯
刘鹏
高培钦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
First Affiliated Hospital of Zhengzhou University
Original Assignee
First Affiliated Hospital of Zhengzhou University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by First Affiliated Hospital of Zhengzhou University filed Critical First Affiliated Hospital of Zhengzhou University
Priority to CN201710905699.XA priority Critical patent/CN107497018B/en
Publication of CN107497018A publication Critical patent/CN107497018A/en
Application granted granted Critical
Publication of CN107497018B publication Critical patent/CN107497018B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/3129Syringe barrels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31511Piston or piston-rod constructions, e.g. connection of piston with piston-rod
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/32Needles; 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
    • A61M5/3205Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321Means for protection against accidental injuries by used needles
    • A61M5/322Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3221Constructional features thereof, e.g. to improve manipulation or functioning
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/27General characteristics of the apparatus preventing use
    • A61M2205/273General characteristics of the apparatus preventing use preventing reuse, e.g. of disposables

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (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

The present invention relates to disposable children's safe injection needle,It is quick can effectively to solve children,The problem of safe intramuscular injection,Its technical scheme is,The slip cap being connected with syringe front end is provided with the outside of draw point,It is set with draw point along what its length was slided forwards, backwards and is slidingly sealed post,The storage needle guard that post is fixed together is provided with and is slidingly sealed between slip cap and draw point,Slip cap is stretched out in the front end for storing up needle guard,It is connected with sealing column front end face and the sleeve pipe of storage needle guard front end is fixed together and stretched out with storage needle guard front end,Draw point stretches into storage needle guard inner chamber,Through sealing column it is backward before stretch into cannula cavity,Draw point needle point is in the protection of sleeve pipe after present invention injection,Avoid the generation of pricking wound,Fixed after inserting needle by locating cover,Prevent from rocking,Injected driving draw point to depart from human body by slip cap,Securely and reliably,It is easy to use,Effect is good,It is the innovation on syringe.

Description

Disposable children's safe injection needle
Technical field
The present invention relates to injection needle, particularly a kind of disposable children's safe injection needle.
Background technology
In clinical position, during children's intramuscular injection, because it is unworthy of closing operation, generally requires parent and set position completely, Operating personnel could inject medicine to it.But after injection needle has just enter into muscle, due to unexpected pain, infant can not be from main product The raw activity such as kick one's legs.This activity can cause bad consequence:1st, movable amplitude is small, may result in syringe needle in muscle Middle position changes, muscle injury tissue, so as to the sense that aggravates the pain.2nd, movable amplitude is big, then may result in syringe needle from skin Abjection, causes the waste of decoction, pricking wound may then occur for operating personnel.3rd, activity acutely causes syringe needle to fracture.Cause This, the improvement and innovation of children's injection needle are imperative.
The content of the invention
For the above situation, to overcome the defect of prior art, the purpose of the present invention is just to provide a kind of disposable children With safe injection needle, can effectively solve the problems, such as that children are quick, safe intramuscular injection.
The technical scheme that the present invention solves is, a kind of disposable children's safe injection needle, including syringe, piston core pin and Draw point, the piston end of piston core pin stretch into syringe inner chamber from the oral area of back end of syringe, and draw point is mounted in the front end of syringe, and draw point enters Syringe inner chamber between liquid mouth and the piston end of piston core pin forms suction type sliding stroke chamber, and piston core pin is grown along syringe inner chamber Slide forwards, backwards, form compression injection structure, the slip cap being connected with syringe front end is provided with the outside of draw point, is set with draw point Have along what its length was slided forwards, backwards and be slidingly sealed post, be provided with and be slidingly sealed what post was fixed together between slip cap and draw point Needle guard is stored up, slip cap is stretched out in the front end for storing up needle guard, is connected with sealing column front end face and is fixed together and stretches with storage needle guard front end Go out to store up the sleeve pipe of needle guard front end, draw point stretch into storage needle guard inner chamber, through sealing column it is backward before stretch into cannula cavity, stretch out slip cap The locating cover extended radially is provided with the storage needle guard outer wall of fore-end, stores up and is provided with shell fragment, slip cap on needle guard outer wall Outer wall on be provided with the positioning hole corresponding with shell fragment, slip cap is slid back and forth, when slip cap front end and locating cover rear end phase During contact, draw point stretches out the front end of sleeve pipe, and when shell fragment is installed in positioning hole, the front end of draw point is located at sealing column and locating cover Between sleeve pipe in.
Structure novel and unique of the present invention, advantages of simple, easily production are easy to operate, solve in clinical position to baby, Er Tongjin The problem of row intramuscular injection, while draw point needle point is in the protection of sleeve pipe after injecting, and the generation of pricking wound is avoided, after inserting needle Fixed by locating cover, prevent from rocking, injected driving draw point to depart from human body by slip cap, securely and reliably, user Just, effect is good, is the innovation on syringe, there is good social and economic benefit.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention(Partly cut-away).
Fig. 2 is the enlarged partial sectional view of syringe front end of the present invention(Inserting needle state).
Fig. 3 is the enlarged partial sectional view of syringe front end of the present invention(Injection state).
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
Provided by Fig. 1-3, the present invention includes syringe 1, piston core pin 2 and draw point 3, and the piston end 2a of piston core pin 2 is from pin The oral area of 1 rear end of cylinder stretches into syringe inner chamber, and draw point 3 is mounted in the front end of syringe 1, the inlet of draw point 3 and the piston of piston core pin Syringe inner chamber between end forms suction type sliding stroke chamber 1a, and piston core pin is slided forwards, backwards along syringe inner chamber length, forms pressure Contracting formula injection structure, the outside of draw point 3 are provided with the slip cap 7 being connected with the front end of syringe 1, are set with draw point 3 along its length forward That slides afterwards is slidingly sealed post 4, is provided with and is slidingly sealed the storage needle guard that post 4 is fixed together between slip cap 7 and draw point 3 10, slip cap 7 is stretched out in the front end of storage needle guard 10, be connected with the front end face of sealing column 4 be fixed together with storage needle guard 10 front end and Stretch out the sleeve pipe 5 of storage needle guard front end, draw point 3 stretch into storage needle guard 10 inner chamber, through sealing column 4 it is backward before stretch into the inner chamber of sleeve pipe 5, stretch Go out on the storage outer wall of needle guard 10 of the fore-end of slip cap 7 and be provided with the locating cover 6 extended radially, store up and set on the outer wall of needle guard 10 There is shell fragment 8, the positioning hole 9 corresponding with shell fragment 8 is provided with the outer wall of slip cap 7, slides back and forth slip cap, when slip cap 7 When front end is in contact with the rear end of locating cover 6, draw point 3 stretches out the front end of sleeve pipe 5, when shell fragment 8 is installed in positioning hole 9, draw point 3 Front end in sleeve pipe between sealing column 4 and locating cover 6.
To ensure using effect, the front end of described sleeve pipe 5 is in shrink mouth shape.
The rear end of described piston core pin 2 is provided with handle 2b.
Scale is provided with described syringe 1.
Described draw point 3 is separated with sleeve pipe 5, and draw point 3 is separated with storage needle guard 10.
The section of described slip cap 7, storage needle guard 10 and sleeve pipe 5 is annular, and storage needle guard 10 is placed in slip cap 7 Side, sleeve pipe 5 are placed in the inner side of storage needle guard 10.
The described outside for being slidingly sealed post 4 and the internal perisporium of storage needle guard 10 are tightly connected.
The front end face of described locating cover 6 flushes with storing up the front end face of needle guard 10.
Described locating cover 6 is connected through a screw thread with storage needle guard 10.
Described shell fragment 8 is triangle or column shell fragment, can be controlled bullet by the elasticity of shell fragment in itself, can also set up Spring, it is compressed in when shell fragment does not eject between slip cap 7 and storage needle guard 10, when shell fragment slides into position of positioning hole, at itself It is protruding under elastic force or spring force effect, it is stuck in positioning hole, slip cap 7 can not be slided relatively with storage both needle guards 10 It is dynamic, now in sleeve pipe of the front end of draw point 3 between sealing column 4 and locating cover 6, you can carry out the injection of stabilization, safety.
The present invention compresses the length of suction type sliding stroke chamber, the liquid feeding end of draw point is stretched in use, promotion piston core pin Enter medicine, outside pull piston core pin, suction type sliding stroke cavity length gradually increases, and under suction function, draws medicine note Full suction type sliding stroke chamber, operator's right hand pen-holding type hold syringe 1, and now the front end of slip cap 7 connects with the rear end of locating cover 6 Touch, draw point 3 stretches out the front end of sleeve pipe 5, makes an accurate selection of position straight thrust site of puncture, after inserting needle, stretches out the set of the storage fore-end of needle guard 10 Pipe enters human body, and the external diameter for storing up needle guard is more than the external diameter of sleeve pipe, under the front end stop for storing up needle guard, stops entering, left hand is pinned fixed Position cover 6 is allowed to be close to skin, and the right hand is held syringe 1 and outwards pulled out, syringe drive draw point 3 and slip cap 7 relative to storage needle guard 10 backward Slide, be installed on until storing up the shell fragment 8 on the outer wall of needle guard 10 in the positioning hole 9 in the side wall of slip cap 7, now the front end of draw point 3 In sleeve pipe between sealing column 4 and locating cover 6, i.e., draw point departs from body scale, and sleeve pipe is remained in infant body, the right hand Decoction is pushed into infant body by sleeve pipe, post is slidingly sealed and plays a part of being slidingly sealed, prevent Drug leakage, pass through This mode is injected, and solves the problems, such as to carry out intramuscular injection, while draw point pin after injection to baby, children in clinical position Point is in the protection of sleeve pipe, and sleeve pipe can use the polyurethane material of commercially available venous detaining needle to be made, so due to indwelling Part is flexible pipe, even if infant is movable, is also not in the problem of needle point scratches muscle, effectively prevent the generation of pricking wound, Fixed after inserting needle by locating cover, prevent from rocking, then driven draw point to depart from human body by slip cap and injected, which prevent Medical personnel or family members, patient are wounded by stabbing, securely and reliably, easy to use, and effect is good, are the innovations on syringe, have good Social and economic benefit.

Claims (9)

1. a kind of disposable children's safe injection needle, including syringe(1), piston core pin(2)And draw point(3), piston core pin(2) Piston end(2a)From syringe(1)The oral area of rear end stretches into syringe inner chamber, draw point(3)Mounted in syringe(1)Front end, draw point(3) Inlet and piston core pin piston end between syringe inner chamber form suction type sliding stroke chamber(1a), piston core pin is along pin Tube inner chamber length is slided forwards, backwards, forms compression injection structure, it is characterised in that draw point(3)Outside is provided with and syringe(1)Before The connected slip cap in end(7), draw point(3)On be set with along its length slide forwards, backwards be slidingly sealed post(4), slip cap(7)With Draw point(3)Between be provided with and be slidingly sealed post(4)The storage needle guard being fixed together(10), store up needle guard(10)Front end stretch out slide Dynamic set(7), sealing column(4)It is connected with front end face and storage needle guard(10)Front end is fixed together and stretches out the set of storage needle guard front end Pipe(5), draw point(3)Stretch into storage needle guard(10)Inner chamber, through sealing column(4)Sleeve pipe is stretched into before backward(5)Inner chamber, stretch out slip cap (7)The storage needle guard of fore-end(10)The locating cover extended radially is provided with outer wall(6), store up needle guard(10)Set on outer wall There is shell fragment(8), slip cap(7)Outer wall on be provided with and shell fragment(8)Corresponding positioning hole(9), slip cap is slid back and forth, when Slip cap(7)Front end and locating cover(6)When rear end is in contact, draw point(3)Stretch out sleeve pipe(5)Front end, work as shell fragment(8)It is installed on Positioning hole(9)When interior, draw point(3)Front end be located at sealing column(4)With locating cover(6)Between sleeve pipe in.
2. disposable children's safe injection needle according to claim 1, it is characterised in that described sleeve pipe(5)Before End is in shrink mouth shape.
3. disposable children's safe injection needle according to claim 1, it is characterised in that described piston core pin(2) Rear end be provided with handle(2b).
4. disposable children's safe injection needle according to claim 1, it is characterised in that described syringe(1)On set It is equipped with scale.
5. disposable children's safe injection needle according to claim 1, it is characterised in that described draw point(3)With set Pipe(5)It is separated, draw point(3)With storing up needle guard(10)It is separated.
6. disposable children's safe injection needle according to claim 1, it is characterised in that described slip cap(7), storage Needle guard(10)And sleeve pipe(5)Section be annular, store up needle guard(10)It is placed in slip cap(7)Inner side, sleeve pipe(5)It is placed in storage pin Set(10)Inner side.
7. disposable children's safe injection needle according to claim 6, it is characterised in that described is slidingly sealed post (4)Outside with storage needle guard(10)Internal perisporium be tightly connected.
8. disposable children's safe injection needle according to claim 1, it is characterised in that described locating cover(6)'s Front end face and storage needle guard(10)Front end face flush.
9. disposable children's safe injection needle according to claim 1, it is characterised in that described locating cover(6)With Store up needle guard(10)It is connected through a screw thread.
CN201710905699.XA 2017-09-29 2017-09-29 Disposable safety injection needle for children Active CN107497018B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710905699.XA CN107497018B (en) 2017-09-29 2017-09-29 Disposable safety injection needle for children

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710905699.XA CN107497018B (en) 2017-09-29 2017-09-29 Disposable safety injection needle for children

Publications (2)

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CN107497018A true CN107497018A (en) 2017-12-22
CN107497018B CN107497018B (en) 2019-12-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108387482A (en) * 2018-04-27 2018-08-10 新疆维吾尔自治区产品质量监督检验研究院 A kind of cementitious material slurry apparent density device for quick testing
CN108742929A (en) * 2018-06-22 2018-11-06 佛山科学技术学院 A kind of ruminal gas collection device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09154946A (en) * 1995-12-06 1997-06-17 Misawa Ika Kogyo Kk Indwelling needle set
CN2275454Y (en) * 1996-08-12 1998-03-04 王克煌 Arteriovenous needle
CN1271609A (en) * 1999-04-26 2000-11-01 株式会社Jms Wing carried injection needle device
CN202699769U (en) * 2012-04-28 2013-01-30 上海金塔医用器材有限公司 Disposable retraction safety injection needle
CN204017016U (en) * 2014-07-15 2014-12-17 上海双鸽实业有限公司 Disposable retention needle with automatic retracting needle tip
CN208448325U (en) * 2017-09-29 2019-02-01 郑州大学第一附属医院 A kind of disposable children's safe injection needle
CN208726437U (en) * 2018-04-12 2019-04-12 左小明 A kind of eject Anti-stabbing remaining needle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09154946A (en) * 1995-12-06 1997-06-17 Misawa Ika Kogyo Kk Indwelling needle set
CN2275454Y (en) * 1996-08-12 1998-03-04 王克煌 Arteriovenous needle
CN1271609A (en) * 1999-04-26 2000-11-01 株式会社Jms Wing carried injection needle device
CN202699769U (en) * 2012-04-28 2013-01-30 上海金塔医用器材有限公司 Disposable retraction safety injection needle
CN204017016U (en) * 2014-07-15 2014-12-17 上海双鸽实业有限公司 Disposable retention needle with automatic retracting needle tip
CN208448325U (en) * 2017-09-29 2019-02-01 郑州大学第一附属医院 A kind of disposable children's safe injection needle
CN208726437U (en) * 2018-04-12 2019-04-12 左小明 A kind of eject Anti-stabbing remaining needle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108387482A (en) * 2018-04-27 2018-08-10 新疆维吾尔自治区产品质量监督检验研究院 A kind of cementitious material slurry apparent density device for quick testing
CN108742929A (en) * 2018-06-22 2018-11-06 佛山科学技术学院 A kind of ruminal gas collection device

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