Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1992-03-10
1993-06-22
Yasko, John D.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604256, A61M 2902
Patent
active
052212645
ABSTRACT:
A reduction port for a trocar sleeve comprises a plate having an aperture of a predetermined diameter, a pair of doors slidably mounted to the plate for reducing the size of the aperture, and a securing component fastened to the plate for removably attaching the plate to a proximal end of a laparoscopic trocar sleeve. Each plate is provided with a semicircular aperture having a diameter equal to the reduced diameter of the aperture.
REFERENCES:
patent: 4978341 (1990-12-01), Niederhauser
patent: 5104383 (1992-04-01), Shichman
patent: 5112321 (1992-05-01), Hiltebrandt
patent: 5127627 (1992-07-01), Hilal et al.
Nakao Naomi L.
Wilk Peter J.
Coleman Henry D.
Gutowski Anthony
Sudol R. Neil
Yasko John D.
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