Surgery – Devices transferring fluids from within one area of body to... – With flow control means
Reexamination Certificate
2005-07-26
2005-07-26
Schwartz, Larry I. (Department: 3761)
Surgery
Devices transferring fluids from within one area of body to...
With flow control means
C604S537000, C604S540000, C623S023680, C623S023700
Reexamination Certificate
active
06921378
ABSTRACT:
An anti-reflux drainage device includes an elongated member defining a lumen, and a valve disposed along the elongated member. The valve can include one or more lumens in fluid connection with the lumen of the elongated member, a socket, a shaft disposed in the socket, and a stopper connected to the shaft that occludes the second lumen when exposed to retrograde pressure. Another such device includes an elongated member and a ball valve. The ball valve can include a seat and a shoulder defined by the elongated member, and a ball disposed in the elongated member between the seat and shoulder that occludes lumen when exposed to retrograde pressure.
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McWeeney John O.
O'Keefe Christopher R.
Bogart Michael G.
Boston Scientific SciMed, Inc.
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