JP6023427B2 - 再配置可能な管腔内支持構造およびその適用 - Google Patents
再配置可能な管腔内支持構造およびその適用 Download PDFInfo
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- JP6023427B2 JP6023427B2 JP2011520148A JP2011520148A JP6023427B2 JP 6023427 B2 JP6023427 B2 JP 6023427B2 JP 2011520148 A JP2011520148 A JP 2011520148A JP 2011520148 A JP2011520148 A JP 2011520148A JP 6023427 B2 JP6023427 B2 JP 6023427B2
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- strut
- valve
- strut member
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- A61F2250/001—Special features of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof adjustable for adjusting a diameter
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
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- Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Transplantation (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Prostheses (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
本願は、米国仮特許出願第61/082,489号(名称「Prosthetic Valve with Rotating Leaflets and Retrievable Support」、2008年7月21日出願、出願人「Jennifer K. White」)の利益を主張する。この出願の全教示は、本明細書に参考として援用される。
(項目1)
生体管腔内に移植可能である支持装置であって、
複数のスイベルジョイントによって相互連結される複数の細長いストラット部材であって、該スイベルジョイントは、ステント部材と協力して、圧縮配向と拡張配向との間で成形構造を調整可能に画定する、ストラット部材
を備える、支持装置。
(項目2)
運動範囲内で前記スイベルジョイントを付勢する作動機構をさらに備える、項目1に記載の装置。
(項目3)
スイベルジョイントは、第1のストラット部材および第2のストラット部材によってハサミ機構を形成する、項目1に記載の装置。
(項目4)
前記ストラット部材は、一連の連結されたハサミ機構として構成される、項目3に記載の装置。
(項目5)
前記成形構造に結合される人工弁をさらに備える、項目1に記載の装置。
(項目6)
前記人工弁は、
前記ストラット部材に結合される第1の構造部材と、
該第1の構造部材に対して回転可能である第2の構造部材と、
該第1の構造部材を該第2の構造部材に接続する複数の柔軟な弁部材であって、該接続により、該第1の構造部材に対する該第2の構造部材の回転が、開放状態と閉鎖状態との間において該弁部材を付勢する、複数の柔軟な弁部材と
を備える、項目5に記載の装置。
(項目7)
前記第2の構造部材の回転は、体液の自然の流れに応答する、項目6に記載の装置。
(項目8)
前記人工弁は、2つのストラット部材の交点に合わせ目を有する複数の柔軟な弁尖を含む、項目5に記載の装置。
(項目9)
前記人工弁は、前記ストラット部材に結合されるスカート材料を含む、項目8に記載の装置。
(項目10)
前記成形構造は、円筒形状、円錐形状、または砂時計形状のうちの1つである、項目1に記載の装置。
(項目11)
生体管腔内に移植可能である医療用ステントであって、
第1のストラット部材および第2のストラットを含む、複数の細長いストラット部材と、
該第1のストラット部材および該第2のストラット部材を接続するスイベルジョイントと
を備える、医療用ステント。
(項目12)
前記スイベルジョイントは、前記第1のストラット部材および前記第2のストラット部材によってハサミ機構を形成する、項目11に記載のステント。
(項目13)
前記スイベルジョイントは、前記第1のストラット部材および前記第2のストラット部材を2等分する、項目12に記載のステント。
(項目14)
前記複数のストラット部材は、一連の連結されたハサミ機構として構成される、項目12に記載のステント。
(項目15)
前記スイベルジョイントは、前記第1のストラット部材の第1の端部を前記第2のストラット部材の第1の端部に相互接続する、項目11に記載のステント。
(項目16)
運動範囲内で前記スイベルジョイントの周りに前記ストラット部材を付勢する力を作用させる調整機構をさらに備える、項目11に記載のステント。
(項目17)
前記ストラット部材は、非直線である、項目11に記載のステント。
(項目18)
前記ストラット部材に結合される人工弁をさらに備える、項目11に記載のステント。(項目19)
前記人工弁は、
前記ストラット部材に結合される第1の構造部材と、
該第1の構造部材に対して回転可能である第2の構造部材と、
該第1の構造部材を該第2の構造部材に接続する複数の柔軟な弁部材であって、該接続により、該第1の構造部材に対する該第2の構造部材の回転が、開放状態と閉鎖状態との間において該弁部材を付勢する、複数の柔軟な弁部材と
を備える、項目18に記載のステント。
(項目20)
前記第2の構造部材の回転は、体液の自然の流れに応答する、項目19に記載のステント。
(項目21)
前記人工弁は、2つのストラット部材の交点に合わせ目を有する複数の柔軟な弁尖を含む、項目18に記載のステント。
(項目22)
前記人工弁は、前記ストラット部材に結合されるスカート材料を含む、項目21に記載のステント。
(項目23)
前記ストラット部材は、円筒形状、円錐形状、または砂時計形状のうちの1つを形成するように構成される、項目11に記載のステント。
(項目24)
生体管腔内に移植可能である人工弁アセンブリであって、
複数のスイベルジョイントによって相互連結される複数の細長いストラット部材を備える支持構造であって、該スイベルジョイントは、ステント部材と協力して、圧縮配向と拡張配向との間において成形構造を調整可能に画定する、支持構造と、
該支持構造に接続される人工弁と
を備える、人工弁アセンブリ。
(項目25)
運動範囲内で前記スイベルジョイントを付勢する作動機構をさらに備える、項目24に記載のアセンブリ。
(項目26)
スイベルジョイントは、第1のストラット部材および第2のストラット部材によってハサミ機構を形成する、項目24に記載のアセンブリ。
(項目27)
前記ストラット部材は、一連の連結されたハサミ機構として構成される、項目26に記載のアセンブリ。
(項目28)
前記人工弁は、
前記ストラット部材に結合される第1の構造部材と、
該第1の構造部材に対して回転可能である第2の構造部材と、
該第1の構造部材を該第2の構造部材に接続する複数の柔軟な弁部材であって、該接続により、該第1の構造部材に対する該第2の構造部材の回転が、開放状態と閉鎖状態との間で該弁部材を付勢する、複数の柔軟な弁部材と
を備える、項目24に記載のアセンブリ。
(項目29)
前記第2の構造部材の回転は、体液の自然の流れに応答する、項目28に記載のアセンブリ。
(項目30)
前記人工弁は、2つのストラット部材の交点に合わせ目を有する複数の柔軟な弁尖を含む、項目24に記載のアセンブリ。
(項目31)
前記人工弁は、前記ストラット部材に結合されるスカート材料を含む、項目30に記載のアセンブリ。
(項目32)
前記成形構造は、円筒形状、円錐形状、または砂時計形状のうちの1つである、項目24に記載のアセンブリ。
(項目33)
生体管腔内に移植可能である人工弁アセンブリであって、
医療用ステントであって、
第1のストラット部材および第2のストラットを含む、複数の細長いストラット部材と、
該第1のストラット部材および該第2のストラット部材を接続するスイベルジョイントと
を備える、医療用ステントと、
支持構造に接続される人工弁と
を備える、人工弁アセンブリ。
(項目34)
前記スイベルジョイントは、前記第1のストラット部材および前記第2のストラット部材によってハサミ機構を形成する、項目33に記載のアセンブリ。
(項目35)
前記スイベルジョイントは、前記第1のストラット部材および前記第2のストラット部材を2等分する、項目34に記載のアセンブリ。
(項目36)
前記複数のストラット部材は、一連の連結されたハサミ機構として構成される、項目34に記載のアセンブリ。
(項目37)
前記スイベルジョイントは、前記第1のストラット部材の第1の端部を前記第2のストラット部材の第1の端部に相互接続する、項目33に記載のアセンブリ。
(項目38)
運動範囲内で前記スイベルジョイントの周りに前記ストラット部材を付勢する力を作用させる調整機構をさらに備える、項目33に記載のアセンブリ。
(項目39)
前記ストラット部材は、非直線である、項目33に記載のアセンブリ。
(項目40)
前記人工弁は、
前記ストラット部材に結合される第1の構造部材と、
該第1の構造部材に対して回転可能である第2の構造部材と、
該第1の構造部材を該第2の構造部材に接続する複数の柔軟な弁部材であって、該接続により、該第1の構造部材に対する該第2の構造部材の回転が、開放状態と閉鎖状態との間で該弁部材を付勢する、複数の柔軟な弁部材と
を備える、項目33に記載のアセンブリ。
(項目41)
前記第2の構造部材の回転は、体液の自然の流れに応答する、項目40に記載のアセンブリ。
(項目42)
前記人工弁は、2つのストラット部材の交点に合わせ目を有する複数の柔軟な弁尖を含む、項目33に記載のアセンブリ。
(項目43)
前記人工弁は、前記ストラット部材に結合されるスカート材料を含む、項目42に記載のアセンブリ。
(項目44)
前記ストラット部材は、円筒形状、円錐形状、または砂時計形状のうちの1つである、項目33に記載のアセンブリ。
(項目45)
生体管腔内に移植可能である支持装置を製作する方法であって、
複数の細長いストラット部材を複数のスイベルジョイントと相互連結することであって、該相互連結により、該スイベルジョイントは、ステント部材と協力して、圧縮配向と拡張配向との間において成形構造を調整可能に画定する、ことを含む、方法。
(項目46)
運動範囲内で前記スイベルジョイントを付勢する作動機構を結合することをさらに含む、項目45に記載の方法。
(項目47)
人工弁を前記成形構造に結合することをさらに含む、項目45に記載の方法。
(項目48)
前記人工弁は、
前記ストラット部材に結合される第1の構造部材と、
該第1の構造部材に対して回転可能である第2の構造部材と、
該第1の構造部材を該第2の構造部材に接続する複数の柔軟な弁部材であって、該接続により、該第1の構造部材に対する該第2の構造部材の回転は、開放状態と閉鎖状態との間において該弁部材を付勢する、複数の柔軟な弁部材と
を備える、項目47に記載の方法。
(項目49)
生体管腔内に移植可能な医療用ステントを製作する方法であって、
第1のストラット部材および第2のストラット部材を含む、複数の細長いストラット部材を製作することと、
スイベルジョイントを該第1のストラット部材および該第2のストラット部材と接続することと
を含む、方法。
(項目50)
運動範囲内で前記スイベルジョイントの周りに前記ストラット部材を付勢する力を作用させる調整機構を該ストラット部材に結合することをさらに含む、項目49に記載の方法。
(項目51)
人工弁を前記ストラット部材に結合することをさらに含む、項目49に記載の方法。
(項目52)
前記人工弁は、
前記ストラット部材に結合される第1の構造部材と、
該第1の構造部材に対して回転可能である第2の構造部材と、
該第1の構造部材を該第2の構造部材に接続する複数の柔軟な弁部材であって、該接続により、該第1の構造部材に対する該第2の構造部材の回転が、開放状態と閉鎖状態との間において該弁部材を付勢する、複数の柔軟な弁部材と
を備える、項目51に記載の方法。
(項目53)
生体管腔内に移植可能である人工弁アセンブリを製作する方法であって、
複数のスイベルジョイントによって相互連結される複数の細長いストラット部材を備える支持構造を製作することであって、該スイベルジョイントは、ステント部材と協力して、圧縮配向と拡張配向との間において成形構造を調整可能に画定する、ことと、
人工弁を支持構造に結合することと
を含む、方法。
(項目54)
運動範囲内で前記スイベルジョイントを付勢する作動機構を含有することをさらに含む、項目53に記載の方法。
(項目55)
前記人工弁は、
前記ストラット部材に結合される第1の構造部材と、
該第1の構造部材に対して回転可能である第2の構造部材と、
該第1の構造部材を該第2の構造部材に接続する複数の柔軟な弁部材であって、該接続により、該第1の構造部材に対する該第2の構造部材の回転が、開放状態と閉鎖状態との間において該弁部材を付勢する、複数の柔軟な弁部材と
を備える、項目53に記載の方法。
(項目56)
生体管腔内に移植可能な人工弁アセンブリを製作する方法であって、
医療用ステントを製作することであって、該医療用ステントは、
第1のストラット部材および第2のストラット部材を含む、複数の細長いストラット部材と、
該第1のストラット部材および該第2のストラット部材に接続するスイベルジョイントと
を備える、ことと、
人工弁を支持構造に接続することと
を含む、方法。
(項目57)
運動範囲内で前記スイベルジョイントの周りに前記ストラット部材を付勢する力を作用させる調整機構を製作することをさらに含む、項目56に記載の方法。
(項目58)
前記人工弁は、
該ストラット部材に結合される第1の構造部材と、
該第1の構造部材に対して回転可能である第2の構造部材と、
該第1の構造部材を該第2の構造部材に接続する複数の柔軟な弁部材であって、該接続により、該第1の構造部材に対する該第2の構造部材の回転が、開放状態と閉鎖状態との間において該弁部材を付勢する、複数の柔軟な弁部材と
を備える、項目56に記載の方法。
・スカート層は、ステントの内部または外部上に存在することができる;
・スカート層は、ステントの下側部分を占めることができる;
・スカート層は、ステントの下側および上側部分を占めることができる;
・スカート層は、ステントの上側部分のみを占めることができる;
・スカート層は、合わせ目の柱を画定するストラット間の範囲を占めることができる;
・ スカート層は、弁尖材料と連続的であることができる;
・ スカート層は、ストラットまたは多数の部位に縫合されることができる;または、
・ スカート層は、ステントの下側部分に固定され、体内への配備中にステントの外部を被覆するように引張または押圧されることができる。
Claims (13)
- 生体適合性支持装置であって、
複数のストラット部材であって、
複数の個々の細長い内側ストラット部材と、
複数の個々の細長い外側ストラット部材であって、該複数の個々の細長い外側ストラット部材は、複数のスイベルジョイントによって該複数の細長い内側ストラット部材に相互連結されている、複数の個々の細長い外側ストラット部材と
を含む、複数のストラット部材
を備え、
該複数のストラット部材は、圧縮配向と拡張配向とを含む砂時計形構造を有し、
各内側ストラット部材は、少なくとも3つの外側ストラット部材と相互連結されており、該内側ストラット部材のうちのいずれも、別の内側ストラット部材と相互連結されておらず、
各外側ストラット部材は、少なくとも3つの内側ストラット部材と相互連結されており、該外側ストラット部材のうちのいずれも、別の外側ストラット部材と相互連結されていない、装置。 - 前記複数のスイベルジョイントは、前記外側ストラット部材を前記内側ストラット部材に接続してハサミ機構を形成する中央スイベルジョイントを含む、請求項1に記載の装置。
- 前記複数のスイベルジョイントは、前記内側ストラット部材の遠位端と前記外側ストラット部材の遠位端とを接続する複数の遠位スイベルジョイントと、該内側ストラット部材の近位端と該外側ストラット部材の近位端とを接続する複数の近位スイベルジョイントとを含む、請求項2に記載の装置。
- 複数のスイベルジョイントによって相互連結される複数の細長いストラット部材に結合された人工弁をさらに備える、請求項1〜3のいずれか1項に記載の装置。
- 前記人工弁は、
前記ストラット部材に結合される第1の構造部材と、
該第1の構造部材に対して回転可能である第2の構造部材と、
該第1の構造部材を該第2の構造部材に接続する複数の柔軟な弁部材であって、該接続により、該第1の構造部材に対する該第2の構造部材の回転が、開放状態と閉鎖状態との間において該弁部材を付勢する、複数の柔軟な弁部材と
を備える、請求項4に記載の装置。 - 前記第2の構造部材の回転は、体液の自然の流れに応答する、請求項5に記載の装置。
- 前記人工弁は、2つのストラット部材の交点に合わせ目を有する複数の柔軟な弁尖を含む、請求項4〜6のいずれか1項に記載の装置。
- 前記人工弁は、前記ストラット部材に結合されるスカート材料を含む、請求項4〜7のいずれか1項に記載の装置。
- 前記外側ストラット部材を前記内側ストラット部材に接続してハサミ機構を形成する隣接する中央スイベルジョイント間の距離を増加させることによって、前記複数の細長いストラット部材を拡張するように構成されたアクチュエータ機構をさらに含む、請求項1〜8のいずれか1項に記載の装置。
- 前記アクチュエータ機構は、前記支持装置の上に配置されたネジ山付きロッドを含む、請求項9に記載の装置。
- 前記アクチュエータ機構は、前記支持装置の内側に配置された2重ネジ山付きロッドである、請求項10に記載の装置。
- 生体管腔内に移植可能である支持部を製作する方法であって、
各細長いストラット部材の3つの位置で、複数の細長いストラット部材を複数のスイベルジョイントと相互連結することであって、該相互連結により、該スイベルジョイントは、該ストラット部材と協力して、圧縮配向と拡張配向との間において砂時計形構造を調整し、該支持部は、該砂時計形構造が該圧縮配向にあるとき、その最大長さにあり、該最大長さは、該ストラット部材の長さによって定められる、ことと、
調整機構を該複数のスイベルジョイントの近位スイベルジョイントおよび遠位スイベルジョイントに結合することであって、該調整機構は、運動範囲内で該スイベルジョイントの周りに該ストラット部材を付勢するように力を作用させるように構成され、該支持部は、該調整機構からの力に応答して、該圧縮配向と該拡張配向との間で増分的および可逆的に調整可能であるように構成される、ことと
を含む、方法。 - 人工弁を前記ストラット部材に結合することをさらに含む、請求項12に記載の方法。
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