JP7176834B2 - 逆止め弁 - Google Patents
逆止め弁 Download PDFInfo
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- JP7176834B2 JP7176834B2 JP2016538794A JP2016538794A JP7176834B2 JP 7176834 B2 JP7176834 B2 JP 7176834B2 JP 2016538794 A JP2016538794 A JP 2016538794A JP 2016538794 A JP2016538794 A JP 2016538794A JP 7176834 B2 JP7176834 B2 JP 7176834B2
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- 235000016236 parenteral nutrition Nutrition 0.000 description 1
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- 239000012858 resilient material Substances 0.000 description 1
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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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/24—Check- or non-return valves
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
-
- 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
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/1407—Infusion of two or more substances
- A61M5/1408—Infusion of two or more substances in parallel, e.g. manifolds, sequencing valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/24—Check- or non-return valves
- A61M2039/2433—Valve comprising a resilient or deformable element, e.g. flap valve, deformable disc
- A61M2039/2446—Flexible disc
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/24—Check- or non-return valves
- A61M2039/2433—Valve comprising a resilient or deformable element, e.g. flap valve, deformable disc
- A61M2039/2446—Flexible disc
- A61M2039/2453—Flexible disc not being fixed to the valve body
-
- 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
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/26—Valves closing automatically on disconnecting the line and opening on reconnection thereof
- A61M2039/267—Valves closing automatically on disconnecting the line and opening on reconnection thereof having a sealing sleeve around a tubular or solid stem portion of the connector
-
- 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
- A61M2207/00—Methods of manufacture, assembly or production
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- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
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- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- General Engineering & Computer Science (AREA)
- Vascular Medicine (AREA)
- Mechanical Engineering (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Check Valves (AREA)
- Reciprocating Pumps (AREA)
Description
本出願は、2013年12月11日に出願された「CHECK VALVE」という名称の米国仮出願第61/914,892号の利益を主張し、その全体の内容が参照により本明細書に組み込まれており、本明細書の一部を形成している。
10、10’、10’’、10’’’、10’’’’、10’’’’’ マニフォルド
12、12’、12’’、12’’’、12’’’’、12’’’’’ ハウジング
13’’’、13’’’’ フィン
14 メインの流れチャネル
16、16’、16’’、16’’’、16’’’’ 継ぎ手
20、20’ 第1のポート
22 ねじ山付き端部
30 第2のポート
32 雄ルアーロック
34 カニューラ
40、40’ アクセスポート
42、42’ アクセスチャネル
43、43’ 側壁
44 外側凹部
44’ 突出リング
48 外側チャネル
50、50’ 医療用コネクタ
60、60’ 本体
70、70’ ベース
72 環状突起
74 環状突起
76 ベース内の開口
80、80’ 弁部材
90 内部突起
92 開口
100 逆止め弁
110 ダイアフラム
112 底面
114 側壁
116 頂面
120 支持体
122 支持体の外壁
140、140’ アクセスポートの凹部
142、142’ 外壁
144、144’ ベース
146、146’ 側方チャネル
150、150’ 突起
152、152’ 中央の壁
154、154’ 側壁
156 外壁
200 医療器具
202 カニューラ
R1 アクセスチャネル42の半径
R2 外壁156の曲率半径
R3 外壁142の半径
R4 ダイアフラムの半径
R5 弁の中心から支持体までの距離
R6 リングの内径
w1 支持体の幅
w2 支持体の間の距離(幅)
t1 ダイアフラムの厚さ
h1 支持体の高さ
h2 リングと突起150の間の高さ
h3 コネクタのベースと突起150の間の距離
Claims (26)
- 第1の流体箇所と第2の流体箇所の間で一方向の流体流れを提供するために医療デバイスにおいて使用するための医療用逆止め弁であって、
頂面、底面、および前記頂面と前記底面の間の側壁を有する可撓性のダイアフラムと、 前記可撓性のダイアフラムの前記底面から延びる第1の支持部材、および前記可撓性のダイアフラムの前記底面から延びる第2の支持部材であって、第1の支持部材の中を通らずにかつ第2の支持部材の中を通らずに前記底面を二分する対称線を画定するように位置決めされる第1の支持部材および第2の支持部材と、
を備え、
前記可撓性のダイアフラムは、前記頂面がほぼ平面であり流体開口に当接して封止するように構成される第1の位置と、前記ダイアフラムの前記頂面が前記対称線の周りに下方に湾曲し、それによって前記ダイアフラムの頂面にくぼみを形成する第2の位置と、を有し、前記ダイアフラムが前記第2の位置において前記流体開口から移動されるように構成されており、
前記可撓性のダイアフラム、前記第1の支持部材、および前記第2の支持部材は、一体に形成されていることを特徴とする医療用逆止め弁。 - 前記対称線が、前記第1の支持部材および前記第2の支持部材の中を通らずに前記底面を二分する唯一の対称線である、請求項1に記載の医療用逆止め弁。
- 前記可撓性のダイアフラムが円板である、請求項1に記載の医療用逆止め弁。
- 前記第1の支持部材及び前記第2の支持部材が、前記円板に対して180度離れて位置決めされる、請求項3に記載の医療用逆止め弁。
- 前記可撓性のダイアフラムが穿孔されない、請求項1に記載の医療用逆止め弁。
- 前記ダイアフラムを前記第1の位置から前記第2の位置に移動させるには前記可撓性のダイアフラムの前記頂面に対する3psi未満の正味の圧力で十分である、請求項1に記載の医療用逆止め弁。
- 流体流路へのアクセスを実現するのに使用する医療用マニフォルドであって、前記医療用マニフォルドが、請求項1~6のいずれか一項に記載の医療用逆止め弁を備える、医療用マニフォルド。
- 第1のポートと、
第2のポートと、
前記第1のポートと前記第2のポートを接続し第1の流路を画定する第1のチャネルと、
第3のポートと前記第1の流路を流体接続する第2のチャネルを有する第3のポートを備えるハウジングであって、前記医療用逆止め弁が前記第3のポート内に位置決めされることで前記第3のポートの底壁と前記ダイアフラムの間に空間を画定する、ハウジングと、
前記第3のポートに装着するように構成された医療用コネクタであって、前記第1の位置にある前記医療用逆止め弁は、前記医療用コネクタへの開口に当接して封止するように構成されており、前記第2の位置にある前記医療用逆止め弁は、流体が前記医療用コネクタから、前記医療用逆止め弁を通過し、前記第2のチャネルを通過し前記第1の流路へと流れることを可能にするように構成される、医療コネクタと、
をさらに備える、請求項7に記載の医療用マニフォルド。 - 前記第3のポートの外壁は円筒形である、請求項8に記載の医療用マニフォルド。
- 前記第3のポートの外壁は多数の壁を備える、請求項8に記載の医療用マニフォルド。
- 前記第3のポートはさらに、前記第3のポートの前記底壁から延び前記第2のチャネルに隣接する少なくとも2つの突起を備え、前記少なくとも2つの突起は、前記少なくとも2つの突起と前記第3のポートの外壁との間に外側チャネルを画定し、前記少なくとも2つの突起の間に少なくとも2つの横方向のチャネルを画定する、請求項8に記載の医療用マニフォルド。
- 流体流路へのアクセスを実現するのに使用する医療用マニフォルドであって、前記医療用マニフォルドが、
医療用逆止め弁を備え、前記医療用逆止め弁は、
頂面、底面、および前記頂面と前記底面の間の側壁を有する可撓性のダイアフラムと、
前記可撓性のダイアフラムの前記底面から延びる第1の支持部材、および前記可撓性のダイアフラムの前記底面から延びる第2の支持部材であって、第1の支持部材の中を通らずにかつ第2の支持部材の中を通らずに前記底面を二分する対称線を画定するように位置決めされる第1の支持部材および第2の支持部材と、
を備え、
前記可撓性のダイアフラムは、前記頂面がほぼ平面であり流体開口に当接して封止するように構成される第1の位置と、前記ダイアフラムの前記頂面が前記対称線の周りに下方に湾曲し、それによって前記ダイアフラムの頂面にくぼみを形成する第2の位置と、を有し、前記ダイアフラムが前記第2の位置において前記流体開口から移動されるように構成されている、
医療用逆止め弁と、
第1のポートと、
第2のポートと、
前記第1のポートと前記第2のポートを接続し第1の流路を画定する第1のチャネルと、
第3のポートと前記第1の流路を流体接続する第2のチャネルを有する第3のポートを備えるハウジングであって、前記医療用逆止め弁が前記第3のポート内に位置決めされることで前記第3のポートの底壁と前記ダイアフラムの間に空間を画定する、ハウジングと、
前記第3のポートに装着するように構成された医療用コネクタであって、前記第1の位置にある前記医療用逆止め弁は、前記医療用コネクタへの開口に当接して封止するように構成されており、前記第2の位置にある前記医療用逆止め弁は、流体が前記医療用コネクタから、前記医療用逆止め弁を通過し、前記第2のチャネルを通過し前記第1の流路へと流れることを可能にするように構成される、医療コネクタと、
を備え、
前記第3のポートはさらに、前記第3のポートの前記底壁から延び前記第2のチャネルに隣接する少なくとも2つの突起を備え、前記少なくとも2つの突起は、前記少なくとも2つの突起と前記第3のポートの外壁との間に外側チャネルを画定し、前記少なくとも2つの突起の間に少なくとも2つの横方向のチャネルを画定し、
前記第1及び第2の支持部材は、前記少なくとも2つの前記突起のうちの少なくとも2つに位置決めされるように構成される、医療用マニフォルド。 - 前記医療用逆止め弁は前記第1の位置に向けて付勢される、請求項8に記載の医療用マニフォルド。
- 前記医療用逆止め弁は、前記医療用コネクタ内の流体からの圧力の結果として、前記第1の位置から前記第2の位置へと移動するように構成される、請求項8に記載の医療用マニフォルド。
- 前記ハウジングは一体式構造であり、前記第1および第2のポートを含む、請求項8に記載の医療用マニフォルド。
- 前記医療用逆止め弁を前記第1の位置から前記第2の位置に移動させるには弁部材に対する3psi未満の正味の圧力で十分である、請求項8に記載の医療用マニフォルド。
- 前記第3のポートはさらに、前記第3のポートの前記底壁から延び前記第2のチャネルに隣接する少なくとも2つの突起を備え、前記少なくとも2つの突起は、前記少なくとも2つの突起の間に少なくとも2つの横方向のチャネルを画定する、請求項8に記載の医療用マニフォルド。
- 流体流路へのアクセスを実現するのに使用する医療用マニフォルドであって、前記医療用マニフォルドが、
医療用逆止め弁を備え、前記医療用逆止め弁が、
頂面、底面、および前記頂面と前記底面の間の側壁を有する可撓性のダイアフラムと、
前記可撓性のダイアフラムの前記底面から延びる第1の支持部材、および前記可撓性のダイアフラムの前記底面から延びる第2の支持部材であって、第1の支持部材の中を通らずにかつ第2の支持部材の中を通らずに前記底面を二分する対称線を画定するように位置決めされる第1の支持部材および第2の支持部材と、
を備え、
前記可撓性のダイアフラムは、前記頂面がほぼ平面であり流体開口に当接して封止するように構成される第1の位置と、前記ダイアフラムの前記頂面が前記対称線の周りに下方に湾曲し、それによって前記ダイアフラムの頂面にくぼみを形成する第2の位置と、を有し、前記ダイアフラムが前記第2の位置において前記流体開口から移動されるように構成されていることを特徴とする医療用逆止め弁と、
第1のポートと、
第2のポートと、
前記第1のポートと前記第2のポートを接続し第1の流路を画定する第1のチャネルと、
第3のポートと前記第1の流路を流体接続する第2のチャネルを有する第3のポートを備えるハウジングであって、前記医療用逆止め弁が前記第3のポート内に位置決めされることで前記第3のポートの底壁と前記ダイアフラムの間に空間を画定する、ハウジングと、
前記第3のポートに装着するように構成された医療用コネクタであって、前記第1の位置にある前記医療用逆止め弁は、前記医療用コネクタへの開口に当接して封止するように構成されており、前記第2の位置にある前記医療用逆止め弁は、流体が前記医療用コネクタから、前記医療用逆止め弁を通過し、前記第2のチャネルを通過し前記第1の流路へと流れることを可能にするように構成される、医療コネクタと、
を備え、
前記第3のポートはさらに、前記第3のポートの前記底壁から延び前記第2のチャネルに隣接する少なくとも2つの突起を備え、前記少なくとも2つの突起は、前記少なくとも2つの突起の間に少なくとも2つの横方向のチャネルを画定し、
前記第1及び第2の支持部材は、前記少なくとも2つの突起のうちの少なくとも2つに位置決めされるように構成される、医療用マニフォルド。 - 前記第3のポートは凹部を含み、前記少なくとも2つの突起は、前記凹部の底壁から延びている、請求項17に記載の医療用マニフォルド。
- 前記凹部を囲む壁は、前記ハウジングから外向きに延び、前記医療用コネクタの一部は、前記凹部を囲む壁の少なくとも一部分を囲むように構成される、請求項19に記載の医療用マニフォルド。
- 前記医療用コネクタは超音波を利用して前記第3のポートに溶接される、請求項20に記載の医療用マニフォルド。
- 前記ハウジングはさらに、第4のポートと前記第1の流路を流体接続する第3のチャネルを備えた第4のポートを備え、前記医療用マニフォルドはさらに、
ダイアフラム、および前記第4のポート内に位置決めされることで前記第4のポートの底壁と前記ダイアフラムの間に空間を画定するように構成された複数の支持部材を備えた第2の弁部材と、
前記第4のポートに装着するように構成された第2の医療用コネクタと、
を備え、
閉位置にある前記第2の弁部材は、前記第2の医療用コネクタへの開口に当接して封止するように構成されており、開位置にある前記第2の弁部材は、流体が前記第2の医療用コネクタから、前記第2の弁部材を通過し、前記第3のチャネルを通って前記第1の流路へと流れることができるように構成される、請求項8に記載の医療用マニフォルド。 - 前記第1のポートは、医療用のルアーコネクタに係合するように構成される、請求項8に記載の医療用マニフォルド。
- 第4のポートと前記第1の流路を流体接続する第3のチャネルを備えた第4のポートを備える第2のハウジングと、
ダイアフラム、および前記第4のポート内に位置決めされることで前記第4のポートの底壁と前記ダイアフラムの間に空間を画定するように構成された複数の支持部材とを備えた第2の弁部材と、
前記第4のポートに装着するように構成された第2の医療用コネクタと、
をさらに備え、
閉位置にある前記第2の弁部材は、前記第2の医療用コネクタへの開口に当接して封止するように構成されており、開位置にある前記第2の弁部材は、流体が前記第2の医療用コネクタから、前記第2の弁部材を通過し、前記第3のチャネルを通って前記第1の流路へと流れることができるように構成される、請求項8に記載の医療用マニフォルド。 - 第1および第2のハウジングは一体式構造である、請求項24に記載の医療用マニフォルド。
- 第1および第2のハウジングは、可撓性の接続要素によって結合される、請求項24に記載の医療用マニフォルド。
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US11364372B2 (en) | 2022-06-21 |
TWI672159B (zh) | 2019-09-21 |
JP2021112607A (ja) | 2021-08-05 |
TW201536367A (zh) | 2015-10-01 |
ES2941891T3 (es) | 2023-05-26 |
AU2014364218A1 (en) | 2016-06-23 |
US20200046961A1 (en) | 2020-02-13 |
WO2015088862A1 (en) | 2015-06-18 |
JP7295897B2 (ja) | 2023-06-21 |
CA2932124C (en) | 2023-05-09 |
US20160279404A1 (en) | 2016-09-29 |
EP3079739A4 (en) | 2017-08-23 |
US20220362540A1 (en) | 2022-11-17 |
US10369349B2 (en) | 2019-08-06 |
JP2017502738A (ja) | 2017-01-26 |
AU2014364218B2 (en) | 2019-06-06 |
EP3079739B1 (en) | 2023-02-22 |
EP3079739A1 (en) | 2016-10-19 |
AR098709A1 (es) | 2016-06-08 |
CA2932124A1 (en) | 2015-06-18 |
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