TWM276586U - Improvement of safety injector structure - Google Patents

Improvement of safety injector structure Download PDF

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Publication number
TWM276586U
TWM276586U TW93214448U TW93214448U TWM276586U TW M276586 U TWM276586 U TW M276586U TW 93214448 U TW93214448 U TW 93214448U TW 93214448 U TW93214448 U TW 93214448U TW M276586 U TWM276586 U TW M276586U
Authority
TW
Taiwan
Prior art keywords
needle
syringe
injection
broken
hole
Prior art date
Application number
TW93214448U
Other languages
English (en)
Inventor
Jin-Chou Tsai
Original Assignee
Jin-Chou Tsai
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 Jin-Chou Tsai filed Critical Jin-Chou Tsai
Priority to TW93214448U priority Critical patent/TWM276586U/zh
Priority to DE200520014257 priority patent/DE202005014257U1/de
Priority to JP2005007437U priority patent/JP3116541U/ja
Publication of TWM276586U publication Critical patent/TWM276586U/zh

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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
    • 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    • A61M5/322Retractable needles, i.e. disconnected from and withdrawn into the syringe barrel by the piston
    • 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
    • A61M5/50Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5066Means for preventing re-use by disconnection of piston and piston-rod
    • A61M2005/5073Means for preventing re-use by disconnection of piston and piston-rod by breaking or rupturing the connection parts
    • 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
    • A61M5/3213Caps placed axially onto the needle, e.g. equipped with finger protection guards

Landscapes

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

Description

M276586 八、新型說明: 【新型所屬之技術領域】 本創作係有關-種安全針筒之結 完畢時可即刻將針頭收置隱入注射推以良认—種於針筒注射 者。 射推㈣’崎安全之針筒設計 【先前技術】 本創作係為第9 Q 2 〇 2 〇 2 3號「安全針筒之結構改良」之 進步改良案,該案已由!句局核准並獲頒為新型第Μ 之料雜_轉_由顧退触财端使注射 =步向針祕進蝴時,該退針拉柄端部之 =座之内孔並與釣狀部釣固一體,此時將退針拉柄向外拉 私’則將使針頭座與針頭—併被拉移而隱入注射拉柄内,而達安全 =’於退針拉柄之中段部設有一折斷部,而可由該處折斷以 2針以長度者,於退針拉柄之肋板中央係形成有-狹長之缝 ^於折斷紐兩段退針拉柄之肋板均形成各自駐且可呈彈性 曲之特性,而將觸後之退針拉柄插人注娜桿内梢為扭 才,即可使兩段退針拉柄原本呈相對之肋板相互錯位偏移,而使該 斤辦之退針拉減置於注射推翻,而大幅縮小廢棄後之體積者。 该案雖較大錄習知安纽射針敎具進步性及功效上之增 進,但其_日接錢触柄姐射轉之料,碎減生產成 M276586 本偏南之困擾。 另一件習知技術第8421391〇號「雙重安全注射 =計,其於藉推桿將針頭座細隱人針筒内後,將推桿由折斷處 撕,再將折斷之推桿由針騎方插人,並藉設於推桿端部之圓般 將針尖予以推壓彎曲變形,但—般而言,一般注射用針,其大都: 鋼材所製成,其存在有相當之·,因此,欲藉辭推力於推桿以 將針尖予轉_轉形,其需辭較大之力量,·-般女鮮 以貝而言’將造成其相當程度之_,㈣生根本狀 推壓彎曲變形之情形。 大 【内容】 <所欲解決之技術問題> 本創作人有齡上知安全針筒設躲使㈣仍存在有每 用困難之問題,盼能提供—改良之設計,以解決此些問題,乃潛^ =思、設計實作,綜集其多年從事相關器材設計、產销之專業I術 知識與實務經驗及研思設計所得之絲,終研究出本創作—種安全 針筒之結構改良,以提供更安全及便利之使用者。 王 <對先前技術之功效> 本創作之優點: 1、其於將注射推桿推壓使其向針筒内推進至底端時,該注射 推桿端部之扣頭部則進入針頭座之扣接孔内而詞固一 M276586 體,此時將注射轉向外拉移,則將使針頭座與針頭一併 被拉移而隱入針筒内,而達安全之目的者。 2、於注射轉上設有—折斷部,且該注雜桿之後段内係呈 -中空部,而可由該折斷部將注射推桿折斷以縮短針筒之 長度者,於注射推桿後段之肋板近後端處外緣係分別形成 有一扣槽’而於將注射推桿之後段由針筒前端插入至盡 端,將使觸前端之時触射轉肋板之每一扣槽 嵌組扣固定位’而將折斷後之注射推桿再收置於針筒内: 除具相當之便概外’亦讀縮小廢棄後之體積者。 為使胃審查委員能更了解本創作之結構特徵及其功效,茲配 合圖式並詳細說明於后。 一 【實施方式】 m翏閱弟-圖、第二圖及第三圖所示,本創作主要係於針筒 ⑴内,設有—注射推桿⑷,於該注射推桿⑷师 形成有-穿過套組於注射推桿⑷前端之活塞頭(4丄)之= 部(4 2 ),於針筒⑴前端孔内形成有定位環緣q 1 1 )貝 針筒(1)前端孔内,組設有一周緣具防漏塾圈(2工 ,於 _頭(3 )之針頭座(2 ),並使針頭座⑵周緣所f ί衣槽(2 1 )疋位於針筒⑴前端孔内形成有定位環喙( 處,而使針頭座(2)故於針筒⑴之前端,於該㈣座21 M276586 =處形成-由複數觸爪⑵)構柄供注 ㈣之扣獅(4 2 )嵌蚊蚊扣接孔 ::Γ4)使其向針筒(1)_至底端時,= 钩固V::4 2)則進入針頭座(2)之扣接孔(”)内而 全之併被拉移而隱入針筒⑴内,_ 注射推桿⑷概嘯 部(44)雜射轉⑷娜概·⑴之=折: :=r之每一肋板(43)近後端處外二 成有—扣槽(4 3 D,而於躲射推桿⑷之後段 前端插入至盡端,將使針筒⑴前端之口 吨射轉 :4)後段肋板⑷)之每-扣槽 達將折斷後之注射轉(4 )後段再《定位於針筒⑴内及大 ⑷雨端處,形成-由複數彈性鉤爪(4 5丄)構成之扣接部㈠ 5),亚於騎顧⑵之辑频—扣孔(24), 推壓注射減⑷使⑴叫i 推 桿⑷端㈣姻(45)|派她⑵之 = 而釣固一體,此時將注射推桿⑷向針筒⑴外拉移,則將使 M276586 針頭座(2)與針頭(^ ) m 3 )—併被拉移而隱入針筒⑴内,而、查 安全之目的者(如第四圖及第五圖所示)。 達 綜上所述,本創作具使用 具極佳安全性等功效,為—甚且新如小廢棄後之體積者及 之創作,實已綱軸之給倒,纽咖=應用 祈貴審查委員能詳予審查,_日_ ’尚 【圖式簡單說明】 不本專利,貫為德便。 第一圖係本創作之立體分解圖。 2圖係摘作注射轉與針肢合時之剖示圖。 弟二圖係梢作將注射推翻拉料麵 桿由折斷部折斷,將注射推 相内,並將注射推 圖。 ㈣針_端插入針筒内時之剖示 — 第四圖係本創作另—實施例之剖示圖。 第五圖k本創作另—實施例將注射 内,並將注购峨部觸,將_桿^^餘入針筒 針筒内時之剖示圖。 又由針筒前端插入 【主要元件符號說明】 (1 )針筒 (1 1) 口緣 定位環緣 (2)針頭座 M276586 (21)定位環槽 (211)防漏墊圈 (2 2)扣接孔 (2 3)彈性鉤爪 (2 4)扣孔 (3 )針頭 (4)注射推桿 (41)活塞頭 (4 2)扣頭部 (4 3)肋板 (4 3 1 )扣槽 (4 3 2 )中空部 (4 4)折斷部 (4 5)扣接部 (4 51)彈性鉤爪
10

Claims (1)

  1. M276586 九、申請專利範圍: 1、-種安全針筒之結構改良,其包括: -針筒,於針筒端部形成—σ緣, 有定位環緣; <針筒内’形成 一針頭座,-端形成-供組套㈣之組套端,於 緣,則設有定位環槽及防漏麵,而於針縣組人前述針Γ 後,使針頭朗緣之、’冋孔内 處,而使針頭座定位於針筒之前端端孔内形成之定位環緣 料飞广* 達針頭座之防漏效果,於今 4、坐之内端處形成-由複數彈性鈞爪構成之扣接孔;^ =射綷,係穿組於前述針㈣,注射推桿之前端 二内’於注射推桿前端套組有一活塞頭,於 二 =折城闕轉錢段⑽呈魅職多_板,而可 由该_部將注射推桿折斷以縮短針筒之長度者,並可將折斷後之 /主射推桿之後段崎筒前職人至盡端; 精上逑構件’於注射時推壓注射推桿顧使其向針筒内推進至 底端時,該注射推桿端部之扣頭進人針頭座之扣接孔内而鉤固 體,此時將注射推桿向外拉移,則將使針頭座與針頭一併被拉移 而隱入觸内,_安全之目的者,_雜射推桿之後段折斷, 由針筒前端插人至盡端,而將折斷後之注射推桿再收置於針筒内 M276586 者 缚之結構改良, 2、如申請專利範圍第1項所述安全針 ___,肋板近後端^ 槽,而於將折斷後之注射推桿之後段由針筒前^成有一扣 固定位者 針筒前端之°緣與注娜桿後段肋板之每-扣槽麵^蠕,將使 3、一種安全針筒之結構改良,其包括: 一針筒,於針筒端部形成_ 口緣,於近該 有定位環緣; 針同内,形成 一針碩座’―端形成—供組套針頭 =,則設找,祕_魅人^=周 後,針頭座周绫之定#^針同孔内 、朗叙讀_將定贿觸前端孔_叙 處’而使_座定位於觸 衣',彖 針頭座之㈣树_风; 輪鄕效果’於該 =射轉,财__針㈣,帥轉之 一由複數賴鉤轉奴扣接部,贿前述 2 可將針頭座回拉隱人針如#、 〜接後而 ’於注射推桿前端套組有一活塞頭,於 桿_—折斷部’且該嶋桿之細係呈,部並 :成多個雜’而可由該折斷邹將注射推桿折斷以縮短針筒二度 』I將折斷奴崎轉之彳咖㈣祕&至盡端。、 如申請專利範圍第3項所述安全針筒之結搆改良,其中於注射 12 M276586 推桿之折斷部之每—魏韻㈣外緣係分勸 :1細_,轉之_針_插人至盡端,:: R月㈣之口緣與注射推桿後段肋板之每-扣槽嵌組扣固定位者。 13
TW93214448U 2004-09-10 2004-09-10 Improvement of safety injector structure TWM276586U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW93214448U TWM276586U (en) 2004-09-10 2004-09-10 Improvement of safety injector structure
DE200520014257 DE202005014257U1 (de) 2004-09-10 2005-09-09 Injektionsspritze
JP2005007437U JP3116541U (ja) 2004-09-10 2005-09-09 安全注射器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW93214448U TWM276586U (en) 2004-09-10 2004-09-10 Improvement of safety injector structure

Publications (1)

Publication Number Publication Date
TWM276586U true TWM276586U (en) 2005-10-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
TW93214448U TWM276586U (en) 2004-09-10 2004-09-10 Improvement of safety injector structure

Country Status (3)

Country Link
JP (1) JP3116541U (zh)
DE (1) DE202005014257U1 (zh)
TW (1) TWM276586U (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130116628A1 (en) * 2011-11-04 2013-05-09 Becton, Dickinson And Company Recycled Resin Compositions And Disposable Medical Devices Made Therefrom

Also Published As

Publication number Publication date
JP3116541U (ja) 2005-12-08
DE202005014257U1 (de) 2005-12-08

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