MODULAR STEERABLE SHEATH CATHETERS
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Abstract
An apparatus for accessing a site within a body includes a cannula and an elongate member. The cannula has a proximal end, a distal end, and a lumen extending therebetween. The elongate member has a distal end configured for insertion into the lumen, wherein the distal end of the elongate member is attachable to and releasable from the distal end of the cannula. A method for accessing a site within a body includes inserting a distal end of an elongate member into a lumen of a cannula, detachably attaching the distal end of the elongate member to the cannula, and steering a distal end of the cannula to a desired site using the elongate member.
44 Citations
19 Claims
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1. (canceled)
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2. An apparatus for accessing a site within a body, comprising:
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a cannula having a proximal end, a distal end, and a lumen extending there between; a steering mechanism comprising a flexible elongate member having a distal end sized for insertion through the cannula lumen and being releasably attachable to the distal end of the cannula; and a handle secured to a proximal end of the elongate member, the handle having a tensioning device for applying a tension to the elongate member. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An apparatus for accessing a site within a body, comprising:
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a cannula having a proximal end, a distal end, and a lumen extending there between; a flexible elongate member having a distal end sized for insertion through the cannula lumen and being releasably attachable to the distal end of the cannula, the elongate member comprises a stiffening element adapted for increasing a flexural or torsional stiffness of the cannula, a handle secured to a proximal end of the elongate member, the handle having a tensioning device for applying a tension to the elongate member. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification