Self-assembling magnetic anastomosis device having an exoskeleton
First Claim
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1. An implantable device comprising:
- a plurality of magnetic segments; and
an exoskeleton that covers a portion of an exterior of at least one of the magnetic segments,wherein the exoskeleton comprises a shape memory material and is adapted to direct the magnetic segments to self-assemble into a geometric shape based, at least in part, on one or more shape settings of the exoskeleton.
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Abstract
The invention is an implantable magnetic anastomosis device having an exoskeleton that directs self-assembly. The design allows the device to be delivered in a linear configuration using a minimally-invasive technique, such as endoscopy or laparoscopy, whereupon the device self-assembles into, e.g., a polygon. A coupled set of polygons define a circumscribed tissue that can be perforated, or the tissue can be allowed to naturally necrose and perforate. The device can be used to create anastomoses in a variety of tissues, such as tissues found in the gastrointestinal, renal/urinary, and reproductive tracts. New procedures for using anastomoses, e.g., surgical bypass are also disclosed.
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Citations
19 Claims
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1. An implantable device comprising:
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a plurality of magnetic segments; and an exoskeleton that covers a portion of an exterior of at least one of the magnetic segments, wherein the exoskeleton comprises a shape memory material and is adapted to direct the magnetic segments to self-assemble into a geometric shape based, at least in part, on one or more shape settings of the exoskeleton. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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- 11. An implantable device comprising a plurality of individual and separate magnetic segments coupled together with an exterior coupling covering a portion of an exterior of at least one of the magnetic segments, the exterior coupling comprises a shape memory material and directs the magnetic segments to self-assemble into a geometric shape based, at least in part, on one or more shape settings of the exterior coupling.
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15. An implantable device comprising:
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a plurality of magnetic segments; and an exterior guiding member coupled to at least two magnetic segments and covering a portion of an exterior of at least one of the at least two magnetic segments, wherein the exterior guiding member comprises a shape memory material, the exterior guiding member directs the plurality of magnetic segments to reconfigure from a delivery configuration to a deployed configuration based, at least in part, on one or more shape settings of the exterior guiding member. - View Dependent Claims (16, 17, 18, 19)
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Specification