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公开(公告)号：US20110218518A1
公开(公告)日：2011-09-08
申请号：US13042438
申请日：2011-03-07
IPC分类号： A61M5/14
CPC分类号： A61B17/3401 , A61B17/22032 , A61B17/3415 , A61B17/3439 , A61B2017/22034 , A61B2017/320048 , A61B2017/3488 , A61B2017/349
摘要： An apparatus for accessing the epidural space in a mammal has a cutting sheath with a distal end adapted to transition from a closed cutting configuration to an open configuration. A tissue engagement device is in a hollow portion of the sheath. The tissue engagement device has a blunt distal end and an engagement feature. A method of accessing an epidural space includes the step of forming an opening to a position at or near the ligamentum flavum using the cutting sheath. Another step of the method is positioning a tissue engagement device within the hollow portion of the cutting sheath. Another step of the method is transitioning the cutting sheath from the closed cutting configuration to the open configuration. Another step of the method is manipulating the tissue engagement device to controllably advance the tissue engagement device at least partially through the ligamentum flavum.
摘要翻译： 用于进入哺乳动物硬膜外腔的装置具有切割鞘，其远端适于从封闭的切割构型转变到打开构型。 组织接合装置位于护套的中空部分中。 组织接合装置具有钝的远端和接合特征。 进入硬膜外腔的方法包括使用切割鞘在黄韧带或其附近形成开口的步骤。 该方法的另一步是将组织接合装置定位在切割鞘的中空部分内。 该方法的另一步是将切割护套从封闭切割构型转变到打开构型。 该方法的另一步骤是操纵组织接合装置，以可控地推进组织接合装置至少部分地穿过黄韧带。
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公开(公告)号：US07922738B2
公开(公告)日：2011-04-12
申请号：US11948980
申请日：2007-11-30
IPC分类号： A61B17/32
CPC分类号： A61B17/3401 , A61B17/22032 , A61B17/3415 , A61B17/3439 , A61B2017/22034 , A61B2017/320048 , A61B2017/3488 , A61B2017/349
摘要： An apparatus for accessing the epidural space in a mammal has a cutting sheath with a distal end adapted to transition from a closed cutting configuration to an open configuration. A tissue engagement device is in a hollow portion of the sheath. The tissue engagement device has a blunt distal end and an engagement feature. A method of accessing an epidural space includes the step of forming an opening to a position at or near the ligamentum flavum using the cutting sheath. Another step of the method is positioning a tissue engagement device within the hollow portion of the cutting sheath. Another step of the method is transitioning the cutting sheath from the closed cutting configuration to the open configuration. Another step of the method is manipulating the tissue engagement device to controllably advance the tissue engagement device at least partially through the ligamentum flavum.
摘要翻译： 用于进入哺乳动物硬膜外腔的装置具有切割鞘，其远端适于从封闭的切割构型转变到打开构型。 组织接合装置位于护套的中空部分中。 组织接合装置具有钝的远端和接合特征。 进入硬膜外腔的方法包括使用切割鞘在黄韧带或其附近形成开口的步骤。 该方法的另一步是将组织接合装置定位在切割鞘的中空部分内。 该方法的另一步是将切割护套从封闭切割构型转变到打开构型。 该方法的另一步骤是操纵组织接合装置，以可控地推进组织接合装置至少部分地穿过黄韧带。
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公开(公告)号：US20080132926A1
公开(公告)日：2008-06-05
申请号：US11948980
申请日：2007-11-30
CPC分类号： A61B17/3401 , A61B17/22032 , A61B17/3415 , A61B17/3439 , A61B2017/22034 , A61B2017/320048 , A61B2017/3488 , A61B2017/349
摘要： An apparatus for accessing the epidural space in a mammal has a cutting sheath with a distal end adapted to transition from a closed cutting configuration to an open configuration. A tissue engagement device is in a hollow portion of the sheath. The tissue engagement device has a blunt distal end and an engagement feature. A method of accessing an epidural space includes the step of forming an opening to a position at or near the ligamentum flavum using the cutting sheath. Another step of the method is positioning a tissue engagement device within the hollow portion of the cutting sheath. Another step of the method is transitioning the cutting sheath from the closed cutting configuration to the open configuration. Another step of the method is manipulating the tissue engagement device to controllably advance the tissue engagement device at least partially through the ligamentum flavum.
摘要翻译： 用于进入哺乳动物硬膜外腔的装置具有切割鞘，其远端适于从封闭的切割构型转变到打开构型。 组织接合装置位于护套的中空部分中。 组织接合装置具有钝的远端和接合特征。 进入硬膜外腔的方法包括使用切割鞘在黄韧带或其附近形成开口的步骤。 该方法的另一步是将组织接合装置定位在切割鞘的中空部分内。 该方法的另一步是将切割护套从封闭切割构型转变到打开构型。 该方法的另一步骤是操纵组织接合装置，以可控地推进组织接合装置至少部分地穿过黄韧带。
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