tilting-disk valve

a type of prosthetic heart valve consisting of a sewing ring and a valve housing containing a suspended disk that swings between closed and open positions.

Medical dictionary. 2011.

Look at other dictionaries:

  • valve — 1. A fold of the lining membrane of a canal or other hollow organ serving to retard or prevent a reflux of fluid. 2. Any formation or reduplication of tissue, or flaplike structure …   Medical dictionary

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  • Artificial heart valve — An artificial heart valve is a device implanted in the heart of a patient with heart valvular disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires… …   Wikipedia

  • Medtronic-Hall valve — a type of tilting disk valve consisting of a titanium valve housing an S shaped disk guide strut, a Teflon cloth sewing ring, and a centrally perforated pyrolytic carbon–coated graphite disk that opens to an angle of 75 degrees. See… …   Medical dictionary

  • Lillehei-Kaster valve — a tilting disk valve consisting of a titanium valve housing, Teflon sewing ring, and flat, free floating, pivoting pyrolytic carbon disk that opens to 80 degrees …   Medical dictionary

  • Omniscience valve — a type of tilting disk valve that is a modification of the Lillehei Kaster valve, with a curvilinear pyrolytic carbon disk suspended in a one piece titanium frame with finlike projections and a Teflon sewing ring …   Medical dictionary

  • Bjцrk-Shiley valve — a tilting disk valve consisting of a cobalt alloy cage, a Teflon fabric–covered sewing ring, and a disk made of pyrolytic carbon that opens to an angle of 60 degrees …   Medical dictionary

  • Omnicarbon valve — a type of tilting disk valve similar to the Omniscience valve but entirely coated with pyrolytic carbon, including the sewing ring …   Medical dictionary

  • Prosthesis — An artificial substitute or replacement of a part of the body such as a tooth, eye, a facial bone, the palate, a hip, a knee or another joint, the leg, an arm, etc. A prosthesis is designed for functional or cosmetic reasons or both. A prosthesis …   Medical dictionary

  • Flush toilet — A flush toilet or Water Closet (WC) is a toilet that disposes of human waste by using water to flush it through a drainpipe to another location. Flushing mechanisms are found more often on western toilets (used in the sitting position), but many… …   Wikipedia

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