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2 results about "Valved conduit" patented technology
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The Contegra® Conduit is an integrated valved conduit for reconstruction or replacement of the natural right ventricular outflow tract (RVOT) or replacement of a failed homograft or composite pulmonary conduit in patients. Natural.
This invention discloses a pulmonary arteryvalved conduit, comprising a conduit body and a valve. The valve is disposed on the inner wall of the conduit body and includes at least one leaflet. Each leaflet has a suture portion, which is fixed to the inner wall of the conduit body by a suture. In at least a portion of the suture, some sutures run in the opposite direction to the suturing direction of the suture portion, while others run in the same direction. Sutures running in the same direction as the suture portion alternate with sutures running in the opposite direction. Furthermore, the stitch span of the sutures running in the same direction as the suture portion is greater than that of the sutures running in the opposite direction. This invention also discloses a method for suturing the above-described pulmonary arteryvalved conduit. The pulmonary arteryvalved conduit provided by this invention exhibits excellent hemodynamics and durability.
An external ear canal pressure regulation device including a fluid flow generator, an earpiece having an axial earpiece bore, and a valved conduit fluidicly coupled to the fluid flow generator and the axial earpiece bore, whereby the earpiece has a compliant earpiece external surface configured to sealably engage an external ear canal as a barrier between an external ear canal pressure and an ambient pressure.