Surgery – Instruments – Forceps
Reexamination Certificate
2004-02-10
2010-06-01
Nguyen, Anhtuan T (Department: 3731)
Surgery
Instruments
Forceps
C604S167010
Reexamination Certificate
active
07727255
ABSTRACT:
A surgical access device includes a seal housing and a roller disposed in the housing and defining a working channel. The roller may be stationary or moveable within the seal housing to form both a zero seal in the absence of an instrument, and an instrument seal in the presence of an instrument. Rotation of the roller is contemplated and low-friction surfaces are discussed to reduce instrument insertion forces. Multiple rollers, wiper elements, low-friction braid, pivoting elements and idler rollers are contemplated. The rollers will typically be formed of a gel material in order to facilitate the desired compliance, stretchability and elongation desired.
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Kahle Henry
Taylor Scott V
Applied Medical Resources Corporation
Ho Pui Tong
Majdali David G.
Myers Richard L.
Nguyen Anhtuan T
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