Patent ID: 8372087
Filing Date: 2013-02-12
Classification: A61B

Abstract:
1. A medical device fixation tool assembly that is adapted to fix a medical device within a hollow organ or cavity through a natural orifice, said medical device fixation tool assembly comprising: a medical device fixation tool and a medical device positioned on said tool, said medical device configured to the size and shape of the hollow organ or cavity, wherein said tool is adapted to both deploy and fix said medical device in the hollow organ or cavity; said tool comprising a needle driver, a shaft and a support, said needle driver comprising at least one needle and a needle guide that is adapted to receive said at least one needle, wherein said at least one needle comprises a unitary needle assembly comprising a tubular member having a sharpened end portion, wherein said needle assembly is adapted to deploy a fastener attached to a tether, wherein said needle driver is adapted to transmit a force to the at least one needle to penetrate a portion of said medical device; said shaft being elongated and adapted to position at least a portion of said needle driver at the hollow organ or cavity through the natural orifice; said needle guide having a terminal portion wherein said at least one needle exits said needle guide to deliver said at least one needle to said portion of said medical device and a proximal portion that is proximal said terminal portion, said needle guide transversing said shaft wherein said proximal portion thereof is on one side of said shaft and said terminal portion is on an opposite side of said shaft that is opposite said one side in order to transmit the force to the at least one needle that is sufficient to penetrate said portion of said medical device; wherein said support is adapted to resist distal movement of said portion of said medical device in response to the force of the at least one needle penetrating said portion of the said medical device; and a fastener deployment filament that is adapted to move relative to said needle assembly to deploy the fastener.