Rotational atherectomy device with improved optical tachometer

Details Rotational atherectomy device with improved optical tachometer Rotational atherectomy device with improved optical tachometer

1998-04-08

2000-03-21

Buiz, Michael

Surgery

Instruments

Blood vessel, duct or teat cutter, scrapper or abrader

A61B 1722

Patent

active

060397470

ABSTRACT:
A rotational atherectomy device having an improved optical tachometer which uses a single, monofilament optical fiber to both transmit light from a light source to a light reflector and to return reflected light to a light detector. A fiber optic connector which can be used with such a rotational atherectomy device permits one to releasably optically couple a distal end of an optical fiber to both a light source and a light detector via a beam splitter and a flexible light guide. This fiber optic connector may include a pneumatic clamp which is connected to the same source of compressed gas which drives the prime mover of the rotational atherectomy device.

REFERENCES:
patent: 4990134 (1991-02-01), Auth
patent: 5059901 (1991-10-01), Van Voorhis
patent: 5217474 (1993-06-01), Zacca et al.
patent: 5314407 (1994-05-01), Auth et al.
patent: 5779722 (1998-07-01), Shturman et al.

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