JP4476120B2 - カテーテル導入針の先端を遮へいするための方法および装置 - Google Patents
カテーテル導入針の先端を遮へいするための方法および装置 Download PDFInfo
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- 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
- A61M5/3273—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel freely sliding on needle shaft without connection to syringe or 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
- 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
- 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
- A61M25/0618—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard
- A61M25/0625—Devices for protecting the needle; Devices to help insertion of the needle, e.g. wings or holders having means for protecting only the distal tip of the needle, e.g. a needle guard with a permanent connection to the needle hub, e.g. a guiding rail, a locking mechanism or a guard advancement mechanism
-
- 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
- A61M5/3245—Constructional features thereof, e.g. to improve manipulation or functioning
- A61M2005/3247—Means to impede repositioning of protection sleeve from needle covering to needle uncovering position
-
- 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
- A61M5/3275—Means for protection against accidental injuries by used needles being axially-extensible, e.g. protective sleeves coaxially slidable on the syringe barrel being connected to the needle hub or syringe by radially deflectable members, e.g. longitudinal slats, cords or bands
Description
本願は、2002年6月20日に出願された米国の仮出願60/390,499号の35USC119条(e)項による利益を求めるものである。
Claims (31)
- 医療用針アセンブリにおいて、
本体および先端を有した針カニューレ(30)であって、前記先端が前記カニューレの末端(130)に配された針カニューレ(30)と、
前記針カニューレにスライド可能に装着されて基部側位置から末端側位置へ動くことができるシールド(5)であって、中央室(50)を有したシールド本体(10)を備えたシールド(5)と、
カテーテルアダプタ(8)を有したカテーテル(108)であって、前記針カニューレの先端(32)がカテーテルの末端から外へ抜け出て延在するよう針カニューレを覆うように位置したカテーテル(108)と、
を具え、
前記シールド(5)が基部側位置から末端側位置へ動くときに部材(40、140、141)が変位して前記シールドの末端側位置から基部側位置への動きを止め、
前記部材が、前記針カニューレ(30)に接続点で固定して取り付けられる細長部材(40、140、141)であって、前記細長部材(40、140、141)が前記針カニューレから離れた非付勢状態から前記針カニューレに近い付勢状態に移ることが可能であることを特徴とする医療用針アセンブリ。 - 前記針カニューレはノッチ(42)を定め、該ノッチを通って前記細長部材(40)が延在することを特徴とする請求項1に記載の医療用針アセンブリ。
- 針カニューレ(30)には内壁が含まれ、該内壁に前記細長部材(40)が取り付けられることを特徴とする請求項2に記載の医療用針アセンブリ。
- 前記針カニューレ(30)に取り付けられたフェルール(241)をさらに具え、前記細長部材は前記フェルールに前記接続点(230)で取り付けられることを特徴とする請求項1に記載の医療用針アセンブリ。
- 前記細長部材(141)は前記フェルール(241)と一体に形成されることを特徴とする請求項4に記載の医療用針アセンブリ。
- 前記針カニューレ(30)に取り付けられる基部側フェルール(241)をさらに具え、前記細長部材(141)は前記基部側フェルールに取り付けられ、当該基部側フェルールから末端側へ延びる基部側細長部材であり、
前記基部側フェルール(241)と前記先端(32)との間で前記針カニューレ(30)に取り付けられる末端側フェルール(240)と、該末端側フェルールに取り付けられるとともに、前記末端側フェルールから基部側に向けて延在する末端側細長部材(140)とをさらに具えたことを特徴とする請求項1に記載の医療用針アセンブリ。 - 基部側部分および末端側部分を有したフェルール(400)であって、前記針カニューレ(30)に取り付けられたフェルールをさらに具え、前記細長部材(141)は前記フェルールの基部側部分に取り付けられ、当該基部側部分から末端側へ延びる基部側細長部材、および前記フェルールの前記末端側部分に取り付けられるとともに、前記末端側部分から基部側に向けて延在する末端側細長部材(140)であることを特徴とする請求項1に記載の医療用針アセンブリ。
- 前記細長部材(40)は前記針カニューレ(30)と一体に形成されたことを特徴とする請求項1に記載の医療用針アセンブリ。
- 前記細長部材(40)は前記針カニューレ(30)に配されるノッチ(42)によって定められることを特徴とする請求項8に記載の医療用針アセンブリ。
- 前記細長部材(40、140、141)はリーフスプリングであることを特徴とする請求項1に記載の医療用針アセンブリ。
- 前記細長部材(40)は線材であることを特徴とする請求項1に記載の医療用針アセンブリ。
- 前記針カニューレはノッチ(42)を定め、前記細長部材(40)は前記ノッチに一直線となるリーフスプリングであって、該リーフスプリングは付勢された状態で前記ノッチ内に配されることを特徴とする請求項1に記載の医療用針アセンブリ。
- 前記シールド本体(10)に固定され、開口(14)を定めたプレート(53)を備え、
前記シールドが前記基部側位置から前記末端側位置へ動かされるとき、前記プレートは前記細長部材(40)の前記第2端部を前記針カニューレの近くに移動させて、前記細長部材が前記開口(14)を通ることができるようにすることを特徴とする請求項1乃至12のいずれかに記載の医療用針アセンブリ。 - 前記シールドが末端位置にあるとき、前記細長部材(40)の前記第2端部(41)は前記針本体から半径方向外側に延びて、前記細長部材が前記開口(14)を通過することを防ぐことを特徴とする請求項13に記載の医療用針アセンブリ。
- 前記細長部材はリーフスプリングであることを特徴とする請求項14に記載の医療用針アセンブリ。
- 前記リーフスプリングは線材であることを特徴とする請求項15に記載の医療用針アセンブリ。
- 前記開口(14)は開口半径を規定し、また、前記細長部材の前記第2端部(41)は部材半径を規定し、前記開口半径は前記部材半径より小さいことを特徴とする請求項13に記載の医療用針アセンブリ。
- 前記カニューレ(30)の前記本体に固定される特徴部(35)をさらに具え、前記特徴部は特徴部半径を規定し、前記開口半径は前記特徴部半径より小さいことを特徴とする請求項17に記載の医療用針アセンブリ。
- 前記プレート(53)は円筒形状であり、前記開口(14)は円筒形状であることを特徴とする請求項13に記載の医療用針アセンブリ。
- 前記針本体によってノッチ(42)が定められ、前記細長部材(40)は前記ノッチに隣接して配されることを特徴とする請求項13に記載の医療用針アセンブリ。
- 直径を有した、前記針本体に装着される特徴部(35)をさらに具え、前記シールド(5)は、前記プレート(53)を形成し前記針本体の直径より大きく前記特徴部の直径より小さい内径を有した円筒形状の基部側部分と、前記特徴部(35)の直径より大きな直径を有した末端側部分とを備えたことを特徴とする請求項13に記載の医療用針アセンブリ。
- 前記シールド(5)は前記接続点(230)と前記針の先端(32)との間の距離より長い長さを有したことを特徴とする請求項13に記載の医療用針アセンブリ。
- 前記針本体に前記先端(32)に近い位置で取り付けられたフェルール(240、241)と、
前記フェルールに取り付けられ、前記針本体から半径方向外側に延びる自由端(441)を有した細長部材であって、前記自由端が部材半径を規定する細長部材(140)と、を具え、
前記シールド(5)が、前記シールド本体の前記基部側端に固定され、厚みを有し開口半径を持った開口(14)を定めたプレート(53)を備え、
前記シールド(5)が前記基部側位置にあるとき、前記針(30)は少なくとも部分的に前記中央室内に配され、前記針は前記プレートの前記開口(14)を通って延在し、および
前記開口半径は前記部材半径より小さいことを特徴とする請求項1に記載の医療用針アセンブリ。 - 前記フェルールは基部側フェルール(241)であり、前記細長部材(141)は基部側細長部材であり、
前記基部側フェルール(241)より末端側で前記針本体に取り付けられた末端側フェルール(240)と、
前記末端側フェルールに取り付けられ、基部側の方向に延在する末端側細長部材(140)であって、前記末端側細長部材には前記針本体から外側に第2部材半径まで付勢される第2自由端(441)が含まれた末端側細長部材(140)と、
をさらに具え、
前記開口半径(14)は前記第2部材半径より小さいことを特徴とする請求項23に記載の医療用針アセンブリ。 - 前記基部側細長部材の自由端(441)と前記末端側細長部材の自由端(341)は前記プレート(53)の厚みより大きな距離だけ離れていることを特徴とする請求項24に記載の医療用針アセンブリ。
- 前記基部側フェルールと前記末端側フェルールは一体に形成されることを特徴とする請求項24に記載の医療用針アセンブリ。
- 該シールド本体の前記基部側端に固定され、基部側開口(14)を定めた基部側プレート(53)と、
前記シールド本体に前記基部側プレート(53)より末端側で固定され、末端側開口(214)を定める末端側プレート(234)と、
を備え、
前記シールド(5)が前記基部側位置にあるとき、前記針(30)が少なくとも部分的に前記中央室内(50)にあり、前記針が前記基部側開口(14)および前記末端側開口(214)を通って延在し、および
前記末端側開口(214)は前記細長部材(40)が基部側の方向に通過することをできるようにしたものであり、また、前記細長部材が末端側方向に通過することを阻止することを特徴とする請求項1に記載の医療用針アセンブリ。 - 前記細長部材(40)は前記針本体と一体に形成されることを特徴とする請求項27に記載の医療用針アセンブリ。
- 前記針本体上に位置する特徴部(35)をさらに具え、前記細長部材(40)および前記特徴部(35)は一体に形成されることを特徴とする請求項27に記載の医療用針アセンブリ。
- 少なくとも1つ以上の細長部材が前記特徴部に取り付けられたことを特徴とする請求項27に記載の医療用針アセンブリ。
- 前記末端側プレート(234)は前記シールド本体(10)に軸中心の回動が可能に取り付けられることを特徴とする請求項27に記載の医療用針アセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39049902P | 2002-06-20 | 2002-06-20 | |
US10/320,960 US6652490B2 (en) | 1998-04-09 | 2002-12-17 | Catheter and introducer needle assembly with compact needle shield |
PCT/US2003/019666 WO2004007013A1 (en) | 2002-06-20 | 2003-06-20 | Method and apparatus for shielding the tip of a catheter introducer needle |
Publications (3)
Publication Number | Publication Date |
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JP2005529719A JP2005529719A (ja) | 2005-10-06 |
JP2005529719A5 JP2005529719A5 (ja) | 2006-08-10 |
JP4476120B2 true JP4476120B2 (ja) | 2010-06-09 |
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JP2004521478A Expired - Lifetime JP4476120B2 (ja) | 2002-06-20 | 2003-06-20 | カテーテル導入針の先端を遮へいするための方法および装置 |
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US (1) | US7507222B2 (ja) |
EP (5) | EP2298404B1 (ja) |
JP (1) | JP4476120B2 (ja) |
CN (3) | CN100553708C (ja) |
AT (1) | ATE416000T1 (ja) |
AU (1) | AU2003245632A1 (ja) |
BR (1) | BR0311907B1 (ja) |
DE (1) | DE60325052D1 (ja) |
ES (1) | ES2318143T3 (ja) |
WO (1) | WO2004007013A1 (ja) |
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- 2003-06-20 EP EP10179388.3A patent/EP2298404B1/en not_active Expired - Lifetime
- 2003-06-20 AT AT03739259T patent/ATE416000T1/de not_active IP Right Cessation
- 2003-06-20 BR BRPI0311907-6A patent/BR0311907B1/pt active IP Right Grant
- 2003-06-20 EP EP03739259A patent/EP1513578B1/en not_active Expired - Lifetime
- 2003-06-20 CN CNB038143860A patent/CN100553708C/zh not_active Expired - Lifetime
- 2003-06-20 EP EP16187759.2A patent/EP3175880B1/en not_active Expired - Lifetime
- 2003-06-20 EP EP10179409.7A patent/EP2298405B1/en not_active Expired - Lifetime
- 2003-06-20 EP EP08167647.0A patent/EP2014328B1/en not_active Expired - Lifetime
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- 2003-06-20 JP JP2004521478A patent/JP4476120B2/ja not_active Expired - Lifetime
- 2003-06-20 CN CN2009101602981A patent/CN101623533B/zh not_active Expired - Lifetime
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- 2003-06-20 DE DE60325052T patent/DE60325052D1/de not_active Expired - Lifetime
- 2003-06-20 ES ES03739259T patent/ES2318143T3/es not_active Expired - Lifetime
- 2003-06-20 WO PCT/US2003/019666 patent/WO2004007013A1/en active Application Filing
- 2003-06-20 AU AU2003245632A patent/AU2003245632A1/en not_active Abandoned
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EP3175880B1 (en) | 2018-08-15 |
DE60325052D1 (de) | 2009-01-15 |
CN101543657B (zh) | 2013-05-08 |
EP2298404A1 (en) | 2011-03-23 |
EP2298405A1 (en) | 2011-03-23 |
EP1513578B1 (en) | 2008-12-03 |
EP2298404B1 (en) | 2016-08-10 |
EP2298405B1 (en) | 2020-05-27 |
CN101543657A (zh) | 2009-09-30 |
US20050080378A1 (en) | 2005-04-14 |
CN1662274A (zh) | 2005-08-31 |
ES2318143T3 (es) | 2009-05-01 |
WO2004007013A1 (en) | 2004-01-22 |
CN101623533A (zh) | 2010-01-13 |
JP2005529719A (ja) | 2005-10-06 |
EP2014328B1 (en) | 2016-10-19 |
BR0311907B1 (pt) | 2012-08-21 |
EP1513578A1 (en) | 2005-03-16 |
ATE416000T1 (de) | 2008-12-15 |
EP3175880A1 (en) | 2017-06-07 |
CN101623533B (zh) | 2013-05-01 |
EP2014328A1 (en) | 2009-01-14 |
CN100553708C (zh) | 2009-10-28 |
US7507222B2 (en) | 2009-03-24 |
BR0311907A (pt) | 2005-04-05 |
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