Patent ID: 6666847
Filing Date: 2003-12-23
Classification: A61B,A61M

Abstract:
A surgical device for injecting a chemical agent within a subject for use in endoscopic injection therapies, the device comprising:a. a support body; b. a motion transmitting unit comprising a first end portion proximal to said support body and a second end portion remote from said support body, wherein said motion transmitting unit is movable relative to said support body; c. an agent delivery system comprising: i. a needle remote from said support body having a hollow elongated body, a first end for extending into a subject, and a second end fixed to said motion transmitting unit second end portion; and ii. structure defining a conduit between said support body and said needle; and d. a guide housing for guiding said needle, said housing comprising a flexible elongated body, an end portion proximal to said needle, an internal elongated passage and friction reducing material lining said passage, wherein a part of said motion transmitting unit adjacent said needle is slideably housed within said guide housing; e. wherein said guide housing is constructed from a wire coated with a friction reducing material, said coated wire being helically wound to form said internal elongated passage.