Surgery – Endoscope – With guide means for body insertion
Patent
1995-10-10
1998-02-10
Apley, Richard J.
Surgery
Endoscope
With guide means for body insertion
600127, 600104, 604280, A61B 101, A61B 1303
Patent
active
057163219
ABSTRACT:
A method and apparatus are provided for imaging a narrow body lumen, the method comprising maintaining separation between a distal end of an optical viewing scope and a lumen wall with a spacing structure which extends distally from the distal end of an access catheter. Optional spacing structures include distal cages and a guidewire which is fixed to and extends distally from the access catheter body. The invention is particularly beneficial during retrograde imaging of the fallopian tube, as it prevents the tubal wall from coming into such close proximity to a falloposcope as to produce "white-out" on the imaging monitor.
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Kerin et al., "Falloposcopy: A Microendoscopic Technique for Visual Exploration of the Human Fallopian Tube form the Uterotubal Ostium to the Fimbria Using a Transvaginal Approach", Fertility and Sterility, vol. 54, No. 3, pp. 390-400.
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Doty James
Kerin John
Milo Charles
Nikolchev Julian
Apley Richard J.
Conceptus, Inc.
Leubecker John P.
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