JP6692920B2 - 患者の心腔内に展開されるように構成された植え込み可能な医療機器および患者の体内で展開するように構成された植え込み可能な医療機器 - Google Patents
患者の心腔内に展開されるように構成された植え込み可能な医療機器および患者の体内で展開するように構成された植え込み可能な医療機器 Download PDFInfo
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Description
上述の実施形態のいずれかの代わりにまたはそれに加えて、IMDは、さらに、ハウジングの基端部にまたはその近くに配置された切断特徴を含む。
上述の実施形態のいずれかの代わりにまたはそれに加えて、電源は、回収特徴の切除部に十分なエネルギーを提供するための十分な蓄積エネルギーを有し、切除部を十分に加熱させて、回収特徴に近い組織を切除する。
上述の実施形態のいずれかの代わりにまたはそれに加えて、放射エネルギーはRFエネルギーを含む。
本開示の別の例では、患者の体内で展開するように構成された植え込み可能な医療機器(IMD)は、植え込み部位において患者の体内に植え込み可能であるように構成されるハウジング、ならびに植え込み部位においてIMDを患者に取り付けるための固着要素を含む。回収特徴は、ハウジングに対してしっかり固定されて、植え込み部位からのIMDの回収を容易にする。抜去要素が、ハウジングに対して固定され、抜去要素は、過成長組織(tissue overgrowth)から回収特徴の少なくとも一部を露出させるように構成される。
上述の実施形態のいずれかの代わりにまたはそれに加えて、加熱素子は、ハウジングの外側面に沿って延在する1つ以上の加熱素子を含む。
上述の実施形態のいずれかの代わりにまたはそれに加えて、抜去要素は、抜去要素に隣接する過成長組織を切除または切断するために、患者の外部から放射される入射エネルギービームによって十分に加熱されるエネルギー吸収性材料を含む。
本明細書では、全ての数値は、明白に示しているか否かに関わらず、用語「約(about)」で修飾されると想定される。用語「約」は、一般的に、列挙した値に等価であると、当業者が考える数字の範囲を指す(すなわち、同じ機能または結果を有する)。多くの場合、用語「約」は、最も近い有効数字に丸められた数字を含み得る。
本明細書および添付の特許請求の範囲では、単数形「1つの(a)」、「1つの(an)」、および「その(the)」は、内容において明白に他の意味を指示する場合を除いて、複数の指示対象を含む。本明細書および添付の特許請求の範囲では、用語「または(or)」は、一般的に、内容において明白に他の意味を指示する場合を除いて、「および/または(and/or)」を含む意味において用いられる。
Claims (11)
- 患者の心腔内に展開されるように構成された植え込み可能な医療機器であって、前記心腔は心腔壁を含み、前記植え込み可能な医療機器は、
ひとたび前記植え込み可能な医療機器が植え込まれたら、患者の心腔内の心腔壁の近くに位置決めされるように構成されたハウジングであって、先端部から基端部まで延在するハウジング、
前記ハウジング内に配置された電源、
前記ハウジング内に配置されかつ前記電源に動作可能に結合された回路系、
ひとたび前記植え込み可能な医療機器が植え込まれたら、前記ハウジングに対して取り付けられかつ前記心腔壁と接触するように位置決めされた電極であって、前記回路系は、前記電極を介して患者の心臓を歩調取りするように構成される、電極、
前記植え込み部位において心腔壁に対して前記植え込み可能な医療機器を取り付けるために、該植え込み部位において心腔壁内に延在するための固着要素であって、前記ハウジングの先端部にまたはその近くに配置された固着要素、
植え込み後に前記植え込み可能な医療機器を回収するための回収特徴であって、前記ハウジングの基端部にまたはその近くに配置された回収特徴を含み、
前記回収特徴は、前記回路系に動作可能に結合される切除部を含み、該回路系は、前記電源からの十分なエネルギーを前記切除部へ選択的に提供するように構成されて、前記回収特徴の近くの組織が切除されるようにし、かつ周辺の血液プールに前記植え込み可能な医療機器を曝す、植え込み可能な医療機器。 - 前記回収特徴がテザー・リングを含み、前記テザー・リングが、前記切除部の少なくとも一部を形成する、請求項1に記載の植え込み可能な医療機器。
- 前記ハウジングの基端部にまたはその近くに配置された切断特徴をさらに含み、前記切断特徴が、前記ハウジング内に配置される引き込み位置から、前記切断特徴の少なくとも一部分が基端方向に延在しかつそれに対面する延長位置へ、作動可能である、請求項1または2に記載の植え込み可能な医療機器。
- 前記切断特徴が前記切除部の少なくとも一部を形成する、請求項3に記載の植え込み可能な医療機器。
- 前記電源が、前記回収特徴の切除部に十分なエネルギーを提供するための十分な蓄積エネルギーを有し、前記切除部を十分に加熱させて、前記回収特徴に近い組織を切除する、請求項1〜4のいずれか1項に記載の植え込み可能な医療機器。
- 前記回路系に動作可能に結合されたアンテナをさらに含み、前記アンテナが、患者の外部にある個所から前記植え込み可能な医療機器の方へ向けられた放射エネルギーを受けかつ前記エネルギーを前記回路系に提供するように構成されており、前記回路系が、前記エネルギーの少なくとも一部を前記電源へ、最終的には前記切除部へ向けるように構成されている、請求項1〜4のいずれか1項に記載の植え込み可能な医療機器。
- 前記植え込み可能な医療機器がリードレス心臓ペースメーカを含む、請求項1〜6のいずれか1項に記載の植え込み可能な医療機器。
- 患者の体内で展開するように構成された植え込み可能な医療機器であって、前記植え込み可能な医療機器は、
患者の体内の植え込み部位において植え込み可能であるように構成されたハウジング、
前記植え込み部位において前記植え込み可能な医療機器を患者に取り付けるための固着要素、
前記植え込み部位からの前記植え込み可能な医療機器の回収を容易にするために、前記ハウジングに対して固定された回収特徴、および
前記ハウジングに対して固定された抜去要素であって、過成長組織の少なくとも一部を切断または切除することによって、前記過成長組織から前記回収特徴の少なくとも一部を露出させるように構成された抜去要素を含む、植え込み可能な医療機器。 - 前記抜去要素が、前記回収特徴から組織を切除するために、電源に対して選択的に動作可能に結合される加熱素子を含む、請求項8に記載の植え込み可能な医療機器。
- 前記加熱素子が、前記ハウジングの外側面に沿って延在する1つ以上の加熱素子を含む、請求項9に記載の植え込み可能な医療機器。
- 前記抜去要素が、入射エネルギービームによって十分に加熱されると該抜去要素に隣接する過成長組織を切除または切断するエネルギー吸収性材料を含む、請求項8に記載の植え込み可能な医療機器。
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PCT/US2017/025148 WO2017173146A1 (en) | 2016-03-31 | 2017-03-30 | Chronically implantable medical devices configured for extraction and extraction devices for extracting chronically implanted medical devices |
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- 2017-03-30 WO PCT/US2017/025148 patent/WO2017173146A1/en active Application Filing
- 2017-03-30 US US15/474,899 patent/US10639097B2/en active Active
- 2017-03-30 CN CN201780022028.7A patent/CN108883270B/zh active Active
- 2017-03-30 JP JP2018551255A patent/JP6692920B2/ja active Active
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2020
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US20170281261A1 (en) | 2017-10-05 |
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JP2019513444A (ja) | 2019-05-30 |
CN108883270A (zh) | 2018-11-23 |
WO2017173146A1 (en) | 2017-10-05 |
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