Distal tip of endoscope having spirally coiled control wires

Details Distal tip of endoscope having spirally coiled control wires Distal tip of endoscope having spirally coiled control wires

1994-03-22

1995-08-08

Apley, Richard J.

Surgery

Endoscope

With camera or solid state imager

604280, 600141, 600146, A61B 1005

Patent

active

054389755

ABSTRACT:
The distal ends of control wires of a distal tip deflection control mechanism are fixed to the distal tip of an endoscope. The distal ends of the control wires are spirally coiled up several times and form a cylinder, and the cylinder is fitted and fixed to the rear end or front end of the distal tip. In an alternate embodiment, the distal ends of the control wires are spirally coiled up several times and form a fitting body and the distal ends of an image guide, a charge coupled device (CCD), a light guide, or any other various kind of diagnostic tool or tube are fitted within the fitting body. In another version, the distal ends of the control wires are spirally coiled up several times around a bundle of distal ends of an image guide, a CCD, a light guide, or other various kinds of diagnostic tools or tubes, and the distal ends of the control wires and the bundle of distal ends of the other components are integrally fixed in the formed body.

REFERENCES:
patent: 4616631 (1986-10-01), Takahashi
patent: 4742817 (1988-05-01), Kawashima et al.
patent: 5108368 (1992-04-01), Hammerslag et al.
patent: 5131407 (1992-07-01), Ischinger et al.
patent: 5209735 (1993-05-01), Lazarus
patent: 5257618 (1993-11-01), Kondo

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