Balloon dissector with cannula

摘要

A combined dissector and cannula assembly comprising:
a dissector assembly having a dissector housing, a tube and a dissector obturator; and a cannula assembly having a cannula housing and an access cannula, the tube of the dissector assembly being received in the access cannula so that the cannula assembly is movable along the tube of the dissector assembly, wherein the cannula housing has a recess and the dissector housing includes a movable member movable into engagement with the recess to secure the dissector housing to the cannula housing.