JP2005523061A - 外科的に作製された開口部を維持するためのデバイス - Google Patents
外科的に作製された開口部を維持するためのデバイス Download PDFInfo
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- JP2005523061A JP2005523061A JP2003585575A JP2003585575A JP2005523061A JP 2005523061 A JP2005523061 A JP 2005523061A JP 2003585575 A JP2003585575 A JP 2003585575A JP 2003585575 A JP2003585575 A JP 2003585575A JP 2005523061 A JP2005523061 A JP 2005523061A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/82—Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/86—Stents in a form characterised by the wire-like elements; Stents in the form characterised by a net-like or mesh-like structure
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Abstract
Description
本発明は、例えば、慢性閉塞性肺疾患を有する個体の肺における気体交換を改善するためのデバイスおよび方法に関する。より具体的には、本発明は、気道の壁を通して外科的に作製された側方開口部(またはチャネル)を維持するために、肺において展開される導管に関する。この導管は、一般に、半径方向に拡張可能であり、そして複数の曲がりやすい部材を備え、これらは、側方開口部内にこの導管を固定するように働く。
1995年に、American Lung Association(ALA)は、1500〜1600万人の米国人が、慢性閉塞性肺疾患(COPD)(これには、慢性気管支炎、肺気腫、およびいくつかの型の喘息が含まれる)に罹患していると推定した。ALAは、COPDが、米国における死因の第4位であると推定した。ALAは、肺気腫の割合が、1000人の人口あたり7.6人であり、そして慢性気管支炎の割合が、1000人の人口あたり55.7人であると推定する。
本発明は、疾患した肺における気流を変化させるためのデバイスおよび方法に関する。本明細書中に記載される導管は、肺組織に作製された開口またはチャネルの開通性を維持する。この導管は、半径方向に拡張可能な中心部分を備え、この部分は、第1の末端および第2の末端、ならびに第1の末端と第2の末端との間に延びる通路を有する。この導管は、さらに、少なくとも1つの中心制御セグメントを備え、これは、通路の半径方向の拡張を最大のプロファイルに制限するように構成される。中心制御セグメントは、これが湾曲するかまたは緩み、そして中心部分が半径方向に拡張する場合、中心制御セグメントが、まっすぐになる傾向があるように設計され得る。中心部分の最大プロファイルは、中心制御セグメントが実質的にまっすぐになるかまたは緊張する場合に達せられ、従って、さらなる半径方向拡張は起こり得ない。中心制御セグメントは、中心部分と一体であり得るか、または2つ以上の位置で、中心部分に別個に接合され得る。
肺の空気交換を改善させるためのデバイスおよび方法が、本明細書中に記載される。特に、気道壁を通って外科的に形成された側枝開口部またはチャネルを維持し、空気が肺組織から直接気道へと通過し得るように働く、導管が記載される。これは、酸素の血液への交換を促進し、過剰に膨張した肺を除圧する。
Claims (105)
- 組織中に作製されるチャネルの開通性を保つための導管であり、該導管が、以下:
第1の末端および第2の末端ならびに該第1の末端と該第2の末端との間に延びる通路を有する半径方向に拡大可能な中心部分;
最大プロファイルまでの該通路の半径方向の拡大を制限するために配置された少なくとも1つの中心制御セグメント;および
該中心部分の該第1の末端および該第2の末端の各々から延びる少なくとも1つの伸長部材であって、該伸長部材の各々が、該中心部分の該第1の末端および該第2の末端の1つに接続される固定端ならびに移動可能な末端を有し、その結果該伸長部材の各々が、該固定端の周りに曲がり得る、伸長部材
を備える、導管。 - 請求項1に記載の導管であって、該導管が、前記中心部分の各々の端から延びる複数の伸長部材を備え、該伸長部材が、該中心部分の各々の末端の周囲の周りに配置される、導管。
- 請求項1に記載の導管であって、前記中心部分が、複数のリブから形成されるオープンフレーム構造を備える、導管。
- 請求項1に記載の導管であって、前記少なくとも1つの中心制御部材が、前記中心部分が半径方向に拡大されていない場合、弧状の形状を有する、導管。
- 請求項1に記載の導管であって、前記少なくとも1つの中心制御部材が、前記中心部分が半径方向に拡大されていない場合、環状の形状を有する、導管。
- 請求項1に記載の導管であって、前記少なくとも1つの中心制御セグメントが、少なくとも1つの付随する中心制御セグメントで補強される、導管。
- 請求項6に記載の導管であって、前記少なくとも1つの中心制御セグメントが、前記少なくとも1つの付随する中心制御セグメントと同一である、導管。
- 請求項3に記載の導管であって、前記少なくとも1つの中心制御セグメントが、前記中心部分の隣接するリブを接続する、導管。
- 請求項1に記載の導管であって、前記中心制御セグメントが、弾性材から作製される、導管。
- 請求項1に記載の導管であって、前記中心制御セグメントが、前記中心部分と一体化している、導管。
- 請求項2に記載の導管であって、前記伸長部材の各々が、少なくとも1つの伸長制御セグメントにより、隣接する伸長部材と接続されている、導管。
- 請求項11に記載の導管であって、前記少なくとも1つの伸長制御セグメントが、前記伸長部材の各々の前記移動可能な末端と接着している、導管。
- 請求項1に記載の導管であって、該導管が、前記通路と同軸上に配置される、組織障壁をさらに備える、導管。
- 請求項13に記載の導管であって、前記組織障壁が、シリコーン、ポリウレタン、PET、PTFE、発泡PTFE、および薄い金属ホイルからなる群から選択される材料を含む、導管。
- 請求項13に記載の導管であって、前記組織障壁が、前記中心部分の外部の周りに位置される、導管。
- 請求項13に記載の導管であって、前記組織障壁が、前記中心部分の内部の周りに位置される、導管。
- 請求項13に記載の導管であって、前記中心部分が、その壁に少なくとも1つの開口部を備え、そして前記組織障壁が、該開口部中に配置される、導管。
- 請求項13に記載の導管であって、前記組織障壁が、前記中心部分をカバーし、該組織障壁が、さらに、前記伸長部材の近位領域をカバーし、その結果、該伸長部材の遠位部分が、該組織障壁によりカバーされないままである、導管。
- 請求項13に記載の導管であって、前記組織障壁が、前記中心部分および前記伸長部材をカバーする、導管。
- 請求項19に記載の導管であって、前記組織障壁が、該導管上の第1の層を形成し、該導管が、該第1の層を少なくとも部分的にカバーする、第2の可視層をさらに備える、導管。
- 請求項20に記載の導管であって、該導管が、前記第2の層の外部の第3の透明層をさらに備える、導管。
- 請求項13に記載の導管であって、該導管が、該導管上に配置される可視化特徴を備える、導管。
- 請求項22に記載の導管であって、前記可視化特徴が、前記組織障壁の一部のみをカバーする、導管。
- 請求項23に記載の導管であって、前記可視化特徴が、前記中心部分に対応する前記組織障壁の周りに配置される、導管。
- 請求項23に記載の導管であって、前記可視化特徴が、該導管の近位部分および遠位部分の1つのみに対応する組織障壁の周りに配置される、導管。
- 請求項18に記載の導管であって、前記組織障壁が、あらゆる伸長部材の近位領域をカバーする、導管。
- 請求項18に記載の導管であって、該導管が、前記中心部分の少なくとも2つのリブを接続する少なくとも1つの中心制御セグメントをさらに備える、導管。
- 請求項1に記載の導管であって、該導管が、前記中心部分の外部に配置される少なくとも1つの可視化特徴をさらに備える、導管。
- 請求項1に記載の導管であって、該導管が、該導管の近位部分および遠位部分の1つ上の可視コーティングをさらに備える、導管。
- 請求項22に記載の導管であって、前記可視化特徴が、前記中心部分の少なくとも一部の周りに周囲に配置されるストライプである、導管。
- 請求項28に記載の導管であって、前記可視化特徴が、金属酸化物を含む、導管。
- 請求項1に記載の導管であって、前記伸長部材が、前記中心部分の周りに対称的に配置される近位伸長部材および遠位伸長部材を備える、導管。
- 請求項1に記載の導管であって、前記伸長部材が、同一である、導管。
- 請求項1に記載の導管であって、前記伸長部材が、花弁形状である、導管。
- 請求項1に記載の導管であって、前記伸長部材が、オープンフレームである、導管。
- 請求項1に記載の導管であって、前記中心部分が、該中心部分が半径方向に拡大される場合、該中心部分の内径寸法に対する軸長の比が、0.1:6〜2:1の範囲の、該軸長および該内径寸法を有する、導管。
- 請求項36に記載の導管であって、前記中心部分の内径寸法に対する軸長の比が、1:2〜1:1の範囲の、導管。
- 請求項1に記載の導管であって、該導管が、前記中心部分が半径方向に拡大し、そして前記伸長部材が少なくとも部分的に偏向される場合、内径寸法に対する全長の比が1:6〜2:1の範囲の、該全長および該内径寸法を有する、導管。
- 請求項38に記載の導管であって、前記内径に対する前記全長の比が、1:4〜1:1の範囲の、導管。
- 請求項1に記載の導管であって、前記通路の断面積が、前記中心部分が半径方向に拡大される場合、0.196mm2から254mm2の間である、導管。
- 請求項40に記載の導管であって、前記通路の断面領域が、前記中心部分が半径方向に拡大される場合、3mm2から20mm2の間である、導管。
- 請求項1に記載の導管であって、前記通路の断面積が、前記中心部分が半径方向に拡大される場合、該中心部分の軸長の半分の平方よりも大きい、導管。
- 請求項1に記載の導管であって、前記中心部分が非弾性の材料から作製され、その結果、該中心部分が、押し込められない場合、前記最大プロファイルまで半径方向に自動的に拡大しない、導管。
- 請求項1に記載の導管であって、前記中心部分が弾性の材料から作製され、そして該中心部分が、押し込められない場合、前記最大プロファイルまで半径方向に自動的に拡大する、導管。
- 請求項1に記載の導管であって、前記中心部分の前記通路が、1mmより長くない軸長を有する、導管。
- 請求項28に記載の導管であって、前記可視化特徴が、生体適合性ポリマーである、導管。
- 請求項46に記載の導管であって、前記生体適合性ポリマーが、白色である、導管。
- 請求項46に記載の導管であって、前記可視化特徴が、リングのような形状である、導管。
- 請求項1に記載の導管であって、該導管が、前記遠位伸長部材および近位伸長部材の少なくとも1つに接続され、そして該伸長部材の半径方向の拡大を制限するように構成される、少なくとも1つの制御セグメントをさらに含む、導管。
- 請求項38に記載の導管であって、前記通路が、前記中心部分が半径方向に拡大される場合、円形の断面部分形状を有する、導管。
- 請求項38に記載の導管であって、前記通路が、1mm未満の軸長を有する、導管。
- 請求項1に記載の導管であって、該導管が、該導管の外部表面の少なくとも一部に配置される生物活性基材をさらに含む、導管。
- 請求項52に記載の導管であって、前記中心部分が、複数のリブから形成されるメッシュを含み、そして前記中心制御セグメントが、少なくとも1つのリブを隣接するリブに接触させる、導管。
- 請求項52に記載の導管であって、該導管が、前記通路を同軸上にカバーする組織障壁をさらに含み、該組織障壁が、前記外部表面を形成する、導管。
- 請求項54に記載の導管であって、前記組織障壁が、前記伸長部材の少なくとも一部をさらにカバーする、導管。
- 請求項55に記載の導管であって、該導管が、前記組織障壁の一部に配置される少なくとも1つの可視化特徴をさらに備える、導管。
- 請求項56に記載の導管であって、前記可視化特徴が、前記中心部分の少なくとも一部の周りに周囲に配置されるストライプである、導管。
- 請求項53に記載の導管であって、前記生物活性基材が、発熱炭素、チタニウム窒化酸化物、パクリタキセル、フィブリノーゲン、コラーゲン、トロンビン、ホスホリルコリン、ヘパリン、ラパマイシン、放射活性188Re、放射活性32P、硝酸銀、ダクチノマイシン、シロリムス、細胞接着ペプチドからなる群から選択される、導管。
- 請求項53に記載の導管であって、該導管が、該導管の前記外部表面に配置される結合剤をさらに備え、その結果前記生体活性物質が、該結合剤を介して、少なくとも部分的に該導管に接着する、導管。
- 請求項52に記載の導管であって、該導管が、その展開された状態を自動的にとるように構築されている、導管。
- 請求項38に記載の導管であって、該導管が、該導管の外部表面の少なくとも一部に配置される生物活性物質をさらに含む、導管。
- 請求項61に記載の導管であって、前記比が、1/4〜1/1の範囲の、導管。
- 請求項62に記載の導管であって、前記比が、1/4〜1/2の範囲の、導管。
- 請求項61に記載の導管であって、前記外部表面が、該導管の少なくとも前記中心部分にわたって同軸上に配置される、組織障壁コーティングである、導管。
- 請求項64に記載の導管であって、前記組織障壁コーティングが、ポリマー性コーティングである、導管。
- 請求項1に記載の導管であって、該導管が、該導管が気道壁中に外科的に作製されるチャネルの外に滑り出ることを防ぐための前記伸長部材の少なくとも一部の外部に配置される摩擦手段をさらに備える、導管。
- 請求項66に記載の導管であって、前記摩擦手段が、1つの前記伸長部材の少なくとも一部をカバーする粗い表面である、導管。
- 請求項66に記載の導管であって、前記摩擦手段が、前記伸長部材の少なくとも一部をカバーする、多孔性層である、導管。
- 請求項1に記載の導管であって、該導管が、前記伸長部材の少なくとも1つから突き出る止め具部材をさらに備え、組織が該止め具部材の少なくとも一部の周りに成長し得、そしてそれ自体を再接続して肺の標的部位にて該導管を固定し得るように、該止め具部材が適合かつ形成される、導管。
- 請求項69に記載の導管であって、前記止め具部材が、リング形状である、導管。
- 請求項1に記載の導管であって、該導管が、前記中心部分および伸長部材と同軸上に配置されるポリマー性組織障壁をさらに備え、その結果、気体が前記通路を通り得;そして少なくとも1つの止め具部材が該伸長部材の少なくとも一つから突き出、該止め具部材が該組織障壁によりカバーされず、そして肺の外科的に作製されたチャネルから該導管が排出されるのを防ぐように適合される、導管。
- 請求項71に記載の導管であって、前記少なくとも1つの止め具部材が、前記伸長部材の各々の先端から延びるリングである、導管。
- 請求項71に記載の導管であって、前記少なくとも1つの止め具部材が、第1の伸長部材を第2の隣接する伸長部材に接続するワイヤセグメントである、導管。
- 請求項71に記載の導管であって、前記止め具部材が、ディスク形状である、導管。
- 請求項71に記載の導管であって、前記止め具部材が、T字型である、導管。
- 請求項71に記載の導管であって、前記止め具部材が、棒付きキャンディー形状である、導管。
- 請求項71に記載の導管であって、前記止め具部材が、球形である、導管。
- 請求項71に記載の導管であって、前記止め具部材が、棘を備える、導管。
- 請求項71に記載の導管であって、前記止め具部材が、くさび形である、導管。
- 請求項79に記載の導管であって、前記止め具部材が、台形である、導管。
- 請求項71に記載の導管であって、前記伸長部材が、花弁形状である、導管。
- 請求項71に記載の導管であって、該導管が、前記組織障壁および前記止め具部材の少なくとも1つに配置される生物活性物質をさらに含む、導管。
- 請求項1に記載の導管であって、該導管が、前記中心部分および伸長部材と同軸上に配置されるポリマー性組織障壁をさらに備え、その結果、気体が前記通路を通り得、そして前記組織障壁が、複数の細長切片を備える、導管。
- 請求項71に記載の導管であって、該導管が、前記組織障壁の一部に配置される少なくとも1つの可視化特徴をさらに備える、導管。
- 請求項1に記載の導管であって、該導管が、前記中心部分および伸長部材と同軸上に配置されるポリマー性組織障壁をさらに備え、その結果、空気が前記通路を通り得;そしてメッシュ層が該組織障壁の少なくとも一部にわたって外部に配置され、該メッシュ層が複数の細長部材から形成される、導管。
- 請求項85に記載の導管であって、前記細長部材が、編組を形成するように構成される、導管。
- 請求項86に記載の導管であって、前記細長部材が、リボンである、導管。
- 請求項86に記載の導管であって、前記編組が、前記中心部分をカバーする、導管。
- 請求項88に記載の導管であって、前記編組が、前記組織障壁をカバーする、導管。
- 請求項85に記載の導管であって、前記編組が、該導管の第1の部分および第2の部分の少なくとも1つをカバーし、組織障壁領域にそれぞれ対応する該導管の該第1の部分および該第2の部分が、前記中心部分の該第1の端および該第2の端から延びる前記伸長部材をカバーする、導管。
- 請求項85に記載の導管であって、前記細長部材が、ポリプロピレン、PTFE、ナイロン、ステンレス鋼、チタン、チタン合金、MP35Nおよびニチノールからなる移植可能な材料の群から選択される1つの材料から構成される、導管。
- 請求項1に記載の導管であって、該導管が、前記中心部分および伸長部材と同軸上に配置されるポリマー性組織障壁をさらに備え、その結果空気が前記通路を通り得;そして多孔性層が該組織障壁の少なくとも一部にわたって外部に配置され、該多孔性層が少なくとも1つの穴を有する、導管。
- 請求項92に記載の導管であって、前記多孔性層が、複数の穴を備える、導管。
- 請求項92に記載の導管であって、前記多孔性層が、多孔性材料から作製される、導管。
- 請求項92に記載の導管であって、前記多孔性層が、複数の微小な穴を備える、導管。
- 請求項95に記載の導管であって、前記微小な穴が、0.01mm〜0.5mmの範囲の直径を有する、導管。
- 請求項93に記載の導管であって、該導管が、展開される場合、1mm〜20mmの範囲の全長を有する、導管。
- 請求項1に記載の導管であって、該導管が、前記中心部分および伸長部材と同軸上に配置されるポリマー性組織障壁をさらに備え、その結果空気が前記通路を通り得、該組織障壁が少なくとも1つの領域において表面を備える、導管。
- 請求項98に記載の導管であって、前記表面が、微小構造である、導管。
- 請求項98に記載の導管であって、前記表面が、鋸歯状のパターンを有する、導管。
- 請求項100に記載の導管であって、前記表面が、該導管の少なくとも一端から延びる、導管。
- 請求項98に記載の導管であって、前記表面が、前記組織表面の前記全体の外部にわたって配置される、導管。
- 請求項98に記載の導管であって、前記表面が、前記伸長部材をカバーする前記組織障壁の領域に対応する該組織障壁の一部に外部に配置される、導管。
- 請求項98に記載の導管であって、前記表面が、ぎざぎざしている、導管。
- 肺を処置する方法であって、該方法が、チャネルにおいて導管を展開する工程を包含し、該導管が、請求項1〜104のいずれか1項に記載されるように構成される、方法。
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US39362902P | 2002-07-03 | 2002-07-03 | |
PCT/US2003/012323 WO2003088820A2 (en) | 2002-04-19 | 2003-04-21 | Devices for maintaining surgically created openings |
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Also Published As
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EP1509168A2 (en) | 2005-03-02 |
US20050192526A1 (en) | 2005-09-01 |
AU2003221744A1 (en) | 2003-11-03 |
US20050137712A1 (en) | 2005-06-23 |
WO2003088820A3 (en) | 2004-12-29 |
CA2482935A1 (en) | 2003-10-30 |
US20110251592A1 (en) | 2011-10-13 |
EP1509168A4 (en) | 2009-07-22 |
WO2003088820A8 (en) | 2004-04-08 |
WO2003088820A2 (en) | 2003-10-30 |
US20050137518A1 (en) | 2005-06-23 |
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