Surgery – Truss – Pad
Patent
1993-10-01
1996-06-11
McDermott, Corrine M.
Surgery
Truss
Pad
128DIG24, 600 37, 606114, A61B 1000
Patent
active
055246338
ABSTRACT:
An expandable and collapsible isolation bag having at least two layers which are bonded together at a plurality of connection sites distributed over a surface of the bag and a system for supplying a fluid between the two layers and opening the isolation bag. The two layers preferably include polyurethane film and the bag may further include a lubricous outer surface, such as a nylon mesh layer, bonded to the polyurethane film. A neck channel may be formed around the openable end of the isolation bag for supporting a drawstring which is movable through the neck channel to close the open end of the bag. The bag can be made by bonding the nylon mesh layer to two layers of polyurethane film using a radio frequency welder to form a plurality of weld sites distributed across the surface of the laminate. The drawstring is then introduced into the neck channel. The finished laminate with the drawstring is welded to form a bag assembly having an opening at one end. A neck portion of the bag assembly is then connected to a bag coupling on the end of the hollow rod. A compressive band of heat-shrinkable material may be used to secure the bag assembly on the rod. A handle assembly is bonded to the rod and the drawstring is threaded through a slidable seal between the rod and an injection tube. The end of the drawstring is connected to a movable portion of the handle or to a pulling ring.
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Chernomorsky Ary S.
Heaven Malcolm D.
Hess Robert L.
Advanced Surgical Inc.
McDermott Corrine M.
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