Endoscope for medical use

Details Endoscope for medical use Endoscope for medical use

1996-11-05

1999-03-09

Flanagan, Beverly M.

Surgery

Endoscope

Having imaging and illumination means

600121, 600123, A61B 106

Patent

active

058792872

ABSTRACT:
The endoscope unit 1 includes a flexible tube 3 having a deflectable portion at one end and a proximal housing 4 at the other end. The deflectable portion of the flexible tube 3 has a hard tip 2 at its distal end and the tip 2 has an observation opening 11. The flexible tube 3 has a optical assembly guide channel 10, extending from the proximal housing 4 to the observation opening 11, for removably fitting an optical assembly 9. Optical assembly 9 includes a bundle of optical fibres covered by an external cover 18. The bundle of optical fibres has an objective lens 15 at one end and eyepiece 16 at the other end. A watertight sheath 19 is provided, the watertight sheath 19 being transparent near objective lens 15.

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patent: 3855897 (1974-12-01), Takahashi et al.
patent: 4878485 (1989-11-01), Adair
patent: 5325845 (1994-07-01), Adair
patent: 5347990 (1994-09-01), Ebling et al.
patent: 5704899 (1998-01-01), Milo

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