Patent ID: 8540745
Filing Date: 2013-09-24
Classification: A61B

Abstract:
1. A combined dissector and cannula assembly comprising: a dissector assembly including a dissector housing, a rigid tube extending distally from the dissector housing, a dissection balloon attached to a distal end of the tube, and a dissector obturator insertable through the tube, the dissection balloon defining a chamber in communication with the tube; and a cannula assembly having a cannula housing, an access cannula extending distally from the cannula housing, the access cannula defining an access lumen, and a cannula obturator insertable through the access cannula, the access lumen is configured and dimensioned to receive the tube and the dissection balloon therethrough, wherein the cannula housing includes an attaching structure configured to selectively and individually secure the cannula obturator to the cannula housing when the cannula obturator is assembled to the cannula assembly and secure the dissector housing to the cannula housing when the dissector housing is alternatively assembled to the cannula assembly.