WO2005097241A1 - Structure d'aiguille a ailettes de securite jetable - Google Patents

Structure d'aiguille a ailettes de securite jetable Download PDF

Info

Publication number
WO2005097241A1
WO2005097241A1 PCT/CN2004/000327 CN2004000327W WO2005097241A1 WO 2005097241 A1 WO2005097241 A1 WO 2005097241A1 CN 2004000327 W CN2004000327 W CN 2004000327W WO 2005097241 A1 WO2005097241 A1 WO 2005097241A1
Authority
WO
WIPO (PCT)
Prior art keywords
convex
buckle
protection kit
use safety
rear end
Prior art date
Application number
PCT/CN2004/000327
Other languages
English (en)
Chinese (zh)
Inventor
Chang-Ming Yang
Chun-Mei Chou
Original Assignee
Chang-Ming Yang
Chun-Mei Chou
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 Chang-Ming Yang, Chun-Mei Chou filed Critical Chang-Ming Yang
Priority to CN2004800429685A priority Critical patent/CN1953777B/zh
Priority to PCT/CN2004/000327 priority patent/WO2005097241A1/fr
Publication of WO2005097241A1 publication Critical patent/WO2005097241A1/fr

Links

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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0637—Butterfly or winged devices, e.g. for facilitating handling or for attachment to the skin
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A61M25/0631—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for fully covering the needle after its withdrawal, e.g. needle being withdrawn inside the handle or a cover being advanced over the needle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/322—Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • A61M5/3221—Constructional features thereof, e.g. to improve manipulation or functioning
    • A61M2005/3228—Constructional features thereof, e.g. to improve manipulation or functioning the needle being retracted by a member protruding laterally through a slot in the barrel, e.g. double-ended 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/06—Body-piercing guide needles or the like
    • A61M25/0612—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
    • A61M5/321—Means for protection against accidental injuries by used needles
    • A61M5/3243—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel
    • A61M5/3271—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel with guiding tracks for controlled sliding of needle protective sleeve from needle exposing to needle covering position

Definitions

  • the invention relates to a single-use safety butterfly needle structure, in particular to a single-use safety butterfly needle structure which is safe, easy to operate and does not need to worry about being used for secondary use. Background technique
  • the commonly used butterfly needle is composed of a needle and a needle cover, wherein the needle is attached to a side of a body to extend a number of patches, and the front end of the body is provided with an injection needle, and the needle cover is a It is cylindrical, and an accommodating hole is provided at the bottom of the needle cap.
  • the needle cap When using this conventional method for protecting the needle of a butterfly needle and its structure, the needle cap must first be removed from the needle and then inserted into the patient's In the injection department, the butterfly needle used in this practice must be put back on the needle after use, which could easily cause stab wounds to the medical staff and cause infection.
  • the purpose of the present invention is to provide an easy-to-operate and safe single-use safety butterfly needle structure.
  • a secondary object of the present invention is to provide a single-use safety butterfly needle structure without worrying about being used for secondary use.
  • a one-time safety butterfly needle structure that can achieve the above-mentioned object of the invention includes:
  • a protection kit one or two butterfly blades extending from the bottom of the front end to the side of the protection kit.
  • the protection kit is provided with a chute, and the chute is provided with a protrusion near the front end, the rear end and the front end.
  • the slide groove has an offset bevel from the rear end of the convex buckle.
  • the front end of the protection kit is provided with a ring stop for only the injection needle to pass through;
  • a sliding member the upper edge of the sliding member is connected with a hand pushing part by a slider;
  • a hose with a joint connected to the end of the hose which can be used with ordinary injection or 3 ⁇ 4 injection Device or drip cannula, and the connector can also be replaced by a screwed connector that can be screwed with a special syringe with a thread;
  • the sliding part is sleeved in the protection set and fixed in the convex buckle provided at the rear end of the sliding groove and slightly forward of the rear end.
  • FIG. 1 is an exploded perspective view of the single-use safety butterfly needle structure
  • FIG. 2 is a perspective view of the first embodiment of the single-use safety butterfly needle structure
  • FIG. 3 is an exploded perspective view of the second embodiment of the single-use safety butterfly needle structure
  • FIG. 3A is an exploded perspective view of the third embodiment of the single-use safety butterfly needle structure
  • FIG. 3B is an exploded perspective view of the fourth embodiment of the single-use safety butterfly needle structure
  • FIG. 3C is an exploded perspective view of the fifth embodiment of the single-use safety butterfly needle structure
  • FIG. 3D is an exploded perspective view of the sixth embodiment of the single-use safety butterfly needle structure
  • FIG. 4 is a perspective sectional view of a seventh embodiment of the single-use safety butterfly needle structure; and FIG. 5 is an exploded perspective view of the eighth embodiment of the single-use safety butterfly needle structure.
  • the single-use safety butterfly pin structure provided by the present invention mainly includes a protection kit 1 with one or two butterfly blades 11 extending from the front end to the side of the protection kit 1.
  • the protection kit 1 is provided with a chute 12, and the chute 12 is respectively provided with a convex buckle 121 near the front end, the rear end and the rear end, and the chute 12 generates an offset bevel 126 from the rear of the rear projection 121.
  • the front end of the protection kit 1 is provided with a ring stop 10 only for the injection needle 23 to pass out;
  • a sliding member 2 the upper edge of the sliding member 2 is connected with a slider 21 by a slider 21;
  • a hose 5 is connected with a connector 51 at the end.
  • the connector 51 can be connected with a general injection or extraction syringe or a drip cannula, and the connector 51 can also be connected with a special syringe with a thread. Instead of a screwed screw joint 52.
  • the sliding member 2 is sleeved in the protection kit 1 and fixed between the convex buckle 121 provided at the rear end of the slide groove 12 and slightly forward of the rear end.
  • the single-use safety butterfly needle structure provided by the present invention Push the hand 22 forward ya, driving the sliding member 2 forward and away from the convex buckle 121 at the rear end of the chute 12, and moved to the front of the chute 12, and pushing the sliding member 2 to the convex chuck of the chute 12 near the front Before 121, the rear end of the sliding member 2 is resisted by the convex buckle 121 near the front end of the chute 12, and temporarily cannot be moved backward. At this time, the injection or extraction operation can be performed.
  • the sliding member 2 is affected by the offset bevel 126, so that the tip of the injection needle 23 is inclined, and is affected.
  • the ring stop 10 is blocked, so that the injection needle 23 can no longer be penetrated by the protection kit 1 to avoid the second use by humans.
  • the offset bevel 126 can also be provided on the inner wall of the rear end of the protection kit 1 (As shown in Figure 2).
  • the front end of the chute 12 may not be provided with a projection 121, and the chute 12 may not be provided with an offset bevel 126 from the rear of the rear projection 121, and
  • the convex buckle 121 omitted at the rear end of the chute 12 is replaced by a non-return stopper 14, and a convex portion 224 is provided at the front and bottom of the hand pushing portion 22, and the front and rear ends of the convex portion 224 are inclined, so
  • the convex portion 224 will release the convex portion 224 from the chute 12 and move to the front edge of the protection kit 1 through the inclined surface of the front end, so that when injection or extraction is performed, the The sliding member 2 can be blocked on the front wall surface of the protection kit 1 by using the convex portion 224 to prevent the injection needle 23 from moving backward.
  • the sliding member 2 After the extraction or injection is completed, the sliding member 2 only needs to be pushed backward by the hand pushing portion 22 At this time, the convex portion 224 can be separated from the front wall surface of the protection kit 1 through the inclined surface on the rear side and re-enter the sliding groove.
  • a convex buckle 223 may be provided at the bottom of the front end of the hand pushing portion 22, and the front end of the outer edge of the protection kit 1 is provided.
  • convex buckle 223 there is a concave buckle 125, so when the sliding member 2 is pushed to the front end of the protection kit 1, the convex buckle 223 can be buckled into the concave buckle 125 to prevent the injection needle 23 from going backward, and after the extraction or injection is completed,
  • the push button 223 can be separated from the female buckle 125 only by pushing the sliding member 2 backward; further, the male buckle 223 can also be provided at the front edge of the pushing portion 22, and the front edge of the outer edge of the protective member 1 is A convex block 19 is convexly arranged, and the convex block 19 is corresponding to the convex buckle 223 at the front end of the hand pushing portion 22, and a concave buckle 125 is provided; and a convex buckle 223 may be provided at the rear end of the hand pushing portion 22, and
  • the end of the male buckle 223 has a plugging part 2231, and the end of the protection kit 1 is also provided with a convex block 19 with a female buckle
  • the concave buckle 125 is combined with the buckling portion 1251 through the plug portion 2231, so that the injection needle 23 can no longer be penetrated by the protection kit 1, so as to avoid being used again by another person.
  • the hand pushes
  • the male buckle 223 and the female buckle 125 of the part 2 and the protection kit 1 are interchangeable. Please refer to FIG. 3C.
  • the rear end of the slide groove 12 may not be provided with a convex buckle 121, and the sliding building 12 may not be provided with an offset bevel 126 from the rear of the rear convex buckle 121.
  • the rear side of the sliding member 2 is provided with one or more spring hooks 225; before the one-time safety butterfly needle structure of the present invention is used, the hand pushing portion 22 is limited to the middle of the two convex buckles 121 behind the sliding groove 12
  • the spring hook 225 at the rear end of the sliding member 2 is pressed against the wall surface of the inner edge of the protection kit 1.
  • the moving member 2 only needs to pass through the hand pushing portion. 22 is pushed backward to the rear end of the chute 12, at this time, the elastic hook 225 will pass through the opening at the rear end of the protection kit, and the elastic hook 225 will be opened to both sides by its elasticity, causing the elastic hook 225 to be hooked.
  • the rear side of the protection kit 1 is protected, so that the sliding member 2 can no longer be moved forward, so as to avoid the secondary use by people.
  • the convex buckle 121 at the front end and slightly forward of the rear end of the chute 12 can be disposed on the inner edge of the protection kit 1, and the convex end of the rear end of the chute 14 can be provided.
  • the buckle 121 is replaced by a non-return stop block 14.
  • the return stop block 14 can also be provided as one or more or surround the inner edge of the protection kit 1. Therefore, the single-use safety butterfly needle structure provided by the present invention is used up.
  • the sliding member 2 can be pushed backward by the hand pushing portion 22, and at this time, the sound and feel generated when the sliding member 2 passes the check block 14 can be used to determine that the sliding member 2 passes and It is fixed behind the non-return stop block 14 so that the sliding member 2 cannot be moved forward any more, so as to avoid the secondary use by people.
  • the sliding member 2 may also be composed of a body 24 and a hand pushing portion 22, wherein an injection needle 23 is inserted at the front end of the body 24, and the body A middle portion in 24 is provided with an annular groove 241 recessed inward, and a buckle hole 25 with a convex rib 251 is opened in the middle of the hand pushing portion 22, and the convex rib 251 covers the outer edge of the annular groove 241. Therefore, the single-use safety butterfly needle structure provided by the present invention can be used to adjust the direction of the inclined surface of the tip of the injection needle 23 by rotating the main body 24.
  • the outer edge of the front end of the main body 24 can also correspond to the inclined surface of the tip of the injection needle 23.
  • the medical staff can know the direction of the inclined surface of the tip of the injection needle 23 when the body 24 is rotated.
  • the joint 51 connected to the rear of the sliding member 2 by the hose 5 can also be replaced by an injection needle 23, and the injection needle 23 is inserted in a
  • the sliding member 2 is rearward, and the sliding member 21 is provided with a slider 21 to connect a hand pushing portion 22, and further, the sliding member 2 is sleeved in a protection kit 1, which is opened on the protection kit 1.
  • chute 12 There is a chute 12, and the chute 12 is close to the front end, the rear end, and the front end is provided with a convex buckle 121, and the chute 12 generates an offset bevel 126 from the rear of the rear protrusion 121, and The front end of the protection kit 1 is provided with a ring stop only for the needle 23 to pass out. N2004 / 000327
  • the structure of the sliding member 2 and the protection kit 1 described above can also be as shown in Figures 2, 3, 3, 3 ⁇ , 3, D, 4, and. Figure 5, and both sides of the protection kit 1 are The butterfly piece 11, the fixing piece and the hand-held part are not provided.
  • the above-mentioned various embodiments of the single-use safety butterfly needle structure provided by the present invention can also be applied to various types of syringes [such as special syringes for dialysis, blood collection devices, general syringes or syringes. Type takeover (such as drip takeover)].
  • syringes such as special syringes for dialysis, blood collection devices, general syringes or syringes.
  • Type takeover such as drip takeover

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

L'invention concerne une structure d'aiguille à ailettes de sécurité jetable, qui comprend une gaine protectrice (1), un élément coulissant (2) et un tube souple (5). La gaine protectrice (1) est munie d'une fente de glissière (12). Des boutons convexes (121) sont disposés respectivement à proximité de l'extrémité avant, de l'extrémité arrière et légèrement sur la face avant de l'extrémité arrière de la fente de glissière (12). Un angle défléchi (126) est formé derrière les boutons convexes (121) de l'extrémité arrière, et une partie de butée annulaire (10) ménagée à l'extrémité avant de la gaine protectrice (1) ne peut être traversée que par l'aiguille (23). Le bord supérieur de l'élément coulissant (2) est relié à une partie poussoir (22) par un bloc latéral (21), et l'élément coulissant (2) est placé dans la gaine protectrice (1) et fixé entre les boutons convexes (121) disposées sur l'extrémité arrière et légèrement sur la face avant de l'extrémité arrière de la fente de glissière (12). Lorsque l'élément coulissant (2) est poussé vers l'arrière par la partie poussoir (22), il bute sur l'angle défléchi (126) si bien que la pointe de l'aiguille (23) est inclinée et bloquée par la partie de butée annulaire (10), et l'aiguille (23) ne peut traverser la gaine protectrice (1) pour un nouvel usage.
PCT/CN2004/000327 2004-04-08 2004-04-08 Structure d'aiguille a ailettes de securite jetable WO2005097241A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2004800429685A CN1953777B (zh) 2004-04-08 2004-04-08 一次用安全蝴蝶针结构
PCT/CN2004/000327 WO2005097241A1 (fr) 2004-04-08 2004-04-08 Structure d'aiguille a ailettes de securite jetable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2004/000327 WO2005097241A1 (fr) 2004-04-08 2004-04-08 Structure d'aiguille a ailettes de securite jetable

Publications (1)

Publication Number Publication Date
WO2005097241A1 true WO2005097241A1 (fr) 2005-10-20

Family

ID=35124856

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2004/000327 WO2005097241A1 (fr) 2004-04-08 2004-04-08 Structure d'aiguille a ailettes de securite jetable

Country Status (2)

Country Link
CN (1) CN1953777B (fr)
WO (1) WO2005097241A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105597218A (zh) * 2016-02-02 2016-05-25 湖州市中医院 腹腔镜下输尿管快速双向置管器及其使用方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103845784A (zh) * 2013-12-27 2014-06-11 曹卫岗 一种插管结构
CN109224192A (zh) * 2018-09-28 2019-01-18 江苏治宇医疗器材有限公司 一种用于单翼输液针的安全护套
WO2021223306A1 (fr) * 2020-05-07 2021-11-11 普昂(杭州)医疗科技有限公司 Appareil à aiguilles et structure et procédé de protection correspondants, et aiguille de prélèvement de sang veineux et aiguille de perfusion

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0475857A1 (fr) * 1990-09-03 1992-03-18 Hospal Industrie Dispositif à aiguille à usage médical
US5501672A (en) * 1990-05-09 1996-03-26 Safety Syringes, Inc. Disposable self-shielding hypodermic syringe
CN2601097Y (zh) * 2003-04-11 2004-01-28 汪贤宗 抛弃式蝴蝶针安全针套
CN1475281A (zh) * 2002-08-15 2004-02-18 泓福科技股份有限公司 蝴蝶针安全针套装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5501672A (en) * 1990-05-09 1996-03-26 Safety Syringes, Inc. Disposable self-shielding hypodermic syringe
EP0475857A1 (fr) * 1990-09-03 1992-03-18 Hospal Industrie Dispositif à aiguille à usage médical
CN1475281A (zh) * 2002-08-15 2004-02-18 泓福科技股份有限公司 蝴蝶针安全针套装置
CN2601097Y (zh) * 2003-04-11 2004-01-28 汪贤宗 抛弃式蝴蝶针安全针套

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105597218A (zh) * 2016-02-02 2016-05-25 湖州市中医院 腹腔镜下输尿管快速双向置管器及其使用方法
CN105597218B (zh) * 2016-02-02 2018-09-21 湖州市中医院 腹腔镜下输尿管快速双向置管器

Also Published As

Publication number Publication date
CN1953777A (zh) 2007-04-25
CN1953777B (zh) 2011-04-06

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