Patent ID: 8545522
Filing Date: 2013-10-01
Classification: A61B

Abstract:
1. A device for use with a trocar in suturing trocar wounds with flexible needles, the trocar having a longitudinal axis and positionable to extend through a trocar wound in a body wall into a body cavity, said device comprising: a ring encompassing the trocar, said ring movably positionable so as to be positioned adjacent to the body wall, said ring being a split ring having a closed configuration and an open configuration, each half of said split ring including a guide channel passing through said split ring and having an entry hole and an exit hole, said guide channels for guiding the needles through the body wall into the body cavity, said entry holes disposed symmetrically on a diameter of said split ring and forming a first line passing through the longitudinal axis of the trocar and said exit holes disposed symmetrically on a diameter of said split ring forming a second line passing through the longitudinal axis of the trocar when said split ring is in both its closed or open configurations, each half of said split ring being in mechanical connection with a spring member that is operable to cause said halves of said split ring to transition from its open to its closed configuration and vice versa, and wherein each of said guide channels includes a smoothly curved portion near its entry hole, said smoothly curved portion joined to a straight portion of said each of said guide channels, said straight portion extending from said smoothly curved portion to said exit hole of said each of said guide channels and comprising 50-80% of the length of said each of said guide channels.