Optical imaging probe connector

Details Optical imaging probe connector Optical imaging probe connector

G - Physics

02

B

G02B 6/38 (2006.01) A61B 1/00 (2006.01) A61B 8/12 (2006.01) G02B 6/40 (2006.01)

Patent

CA 2630662

This document discusses, among other things, a connector for an optical imaging probe that includes one or more optical fibers communicating light along the catheter. The device may use multiple sections for simpler manufacturing and ease of assembly during a medical or other procedure. Light energy to and from a distal minimally-invasive portion of the probe is coupled by the connector to external diagnostic or analytical instrumentation through an external instrumentation lead. Certain examples provide a self-aligning two- section optical catheter with beveled ends, which is formed by separating an optical cable assembly. Techniques for improving light coupling include using a lens between instrumentation lead and probe portions. Techniques for improving the mechanical alignment of a multi-optical fiber catheter include using a stop or a guide.

La présente invention concerne, entre autres, un connecteur de sonde d~imagerie optique comprenant une ou plusieurs fibres optiques qui transmettent de la lumière dans un cathéter. Le dispositif peut utiliser plusieurs sections pour simplifier la fabrication et faciliter l~assemblage pendant un procédé médical ou autre. L~énergie lumineuse fournie à et reçue d~une partie de sonde distale à invasivité minimale est couplée par le connecteur à une instrumentation diagnostique ou analytique externe via un câble d~instrumentation externe. Dans certains modes de réalisation, un cathéter optique à deux sections et alignement automatique muni de deux extrémités biseautées est formé par séparation d~un ensemble câble optique. Des techniques d~amélioration du couplage optique consistent à employer une lentille entre le câble d~instrumentation et les parties de sonde. Des techniques d~amélioration de l~alignement mécanique d~un cathéter multifibre optique consistent à employer une butée ou un guide.

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