tilting-disk valve

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.

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  • 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

  • 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

  • Valve — This article is about the flow control device. For the game developer, see Valve Corporation. For the electronic component, see Vacuum tube. For other uses, see Valve (disambiguation). These water valves are operated by handles. A valve is a… …   Wikipedia

  • 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

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