Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent
1990-12-21
1992-12-08
Lowe, James
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Utilizing plasma, electric, electromagnetic, particulate, or...
128 7, 264263, 264277, B29D 1100, B29C 3910
Patent
active
051695685
ABSTRACT:
A method for casting a housing around an endoscope frame is shown. The method includes the step of assembling an endoscope frame comprising a proximal end of an elongated shaft having a first working channel, a second working channel, a fiber optical image bundle channel, and fiber optic light carrying member. Each of the working channels and the fiber optic light carrying member extend in a predetermined direction from the elongated shaft to a preselected location wherein each of the working channels are terminated in an input opening member. The fiber optic image bundle terminates in a viewing member. The fiber optic light carrying member terminates in a light connecting member. The method then comprises the step of casting with a curable material a housing having a predetermined shape and exterior outer surface around the endoscope frame including the proximal end of an elongated shaft, a first working channel, a second working channel, a fiber optic image bundle channel and a fiber optic light carrying member such that the input opening member of eacb working channel and a light connecting member of the fiber optic light carrying member extend through the exterior outer surface at separate and distinct locations which are positioned in a spaced relationship from the exterior outer surface and with a viewing member for terminating the fiber optic image bundle positioned interiorly within the housing, all of which form a fluid tight seal with the housing.
REFERENCES:
patent: 4541433 (1985-09-01), Bandino
patent: 4802461 (1989-02-01), Cho
patent: 4899732 (1990-02-01), Cohen
patent: 4911148 (1990-03-01), Sosnowski et al.
patent: 4986258 (1991-01-01), Cho
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