Importance

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Abstract

In accordance with the present invention, there is provided an anastomosis device for attaching a first hollow vessel to a second hollow vessel. The device includes a handle for holding the device, and a head assembly, attached to the handle, for holding the first and second hollow vessels adjacent to each other. The head assembly having a distal end, a proximal end and a longitudinal axis therebetween. The device further includes a needle guide disposed longitudinally along the head assembly adjacent to the vessels, and a helical needle, having a suture attached to a proximal end thereof, disposed within the head assembly at its proximal end. The device has an actuator on the handle for actuating a needle driver. The needle driver is coupled to the head and includes a flexible rotatable member operated by the actuator, for rotating and driving the needle distally along the needle guides and through the first and second hollow vessels. The rotatable member is made from an inner shaft, an intermediate coiled spring surrounding the shaft, and an outer wire mesh surrounding the coiled spring.

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First Claim