Patent ID: 6743207
Filing Date: 2004-06-01
Classification: A61B,A61J,G11C

Abstract:
A medical device insertion apparatus, comprising:an access tube defining a central lumen and a retention portion disposed at a distal end of the access tube, the retention portion reconfigurable between a first configuration of reduced lateral extent and a second configuration of increased lateral extent; a trocar movably disposed within the central lumen of the access tube; and an overtube defining a central lumen, the access tube movably disposed within the central lumen of the overtube, the overtube having at least one side opening adapted to permit the retention portion to project therethrough, wherein the trocar includes a connector portion at a proximal end thereof and wherein the access tube includes a mating connector portion at a proximal end thereof, the connector portion couplable with the mating connector portion such that when coupled the trocar is rigidly joined to the access tube.