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Contoured heart valve suture rings

InactiveUS20060009842A1Improving long-term functionalityReduce pointsHeart valvesInsertion stentCatheter
Improved, adaptable tissue-type heart valves and methods for their manufacture are disclosed wherein a dimensionally stable, pre-aligned tissue leaflet subassembly is formed and its peripheral edge clamped between and attached to an upper shaped wireform and a lower support stent. A variety of adaptable structural interfaces including suture rings, flanges, and conduits may be attached to the support stent with or without an outlet conduit disposed about the wireform to provide a tissue-type heart valve adaptable for use in either a natural heart or in mechanical pumping devices. The methods include forming individual leaflets with a template and using the template to attach the leaflets together to form a tissue leaflet subassembly. The template and leaflets include a straight edge terminating in oppositely directed tabs, and a curvilinear cusp edge extending opposite the straight edge. The template may include a guide slot in its straight edge and the assembly includes aligning two leaflet tabs with the template and passing sutures through the guide slot and through the leaflet tabs. The leaflet subassembly is mated to a wireform with the tabs extending through commissure posts of the wireform. A support stent having an upper surface matching the lower surface of the wireform sandwiches the edges of the leaflet subassembly therebetween. Separated tabs on the leaflet subassembly are passed through the wireform commissures and attached to adjacent stent commissures so as to induce clamping of the leaflet tabs between the stent commissures and wireform commissures upon a radially inward force being applied to the leaflets.
Owner:EDWARDS LIFESCIENCES CORP

Heart valves and suture rings therefor

InactiveUS6945997B2Reduce stress pointImproving long-term functionalityHeart valvesInsertion stentTissues types
Improved, adaptable tissue-type heart valves and methods for their manufacture are disclosed wherein a dimensionally stable, pre-aligned tissue leaflet subassembly is formed and its peripheral edge clamped between and attached to an upper shaped wireform and a lower support stent. A variety of adaptable structural interfaces including suture rings, flanges, and conduits may be attached to the support stent with or without an outlet conduit disposed about the wireform to provide a tissue-type heart valve adaptable for use in either a natural heart or in mechanical pumping devices. The methods include forming individual leaflets with a template and using the template to attach the leaflets together to form a tissue leaflet subassembly. The template and leaflets include a straight edge terminating in oppositely directed tabs, and a curvilinear cusp edge extending opposite the straight edge. The template may include a guide slot in its straight edge and the assembly includes aligning two leaflet tabs with the template and passing sutures through the guide slot and through the leaflet tabs. The leaflet subassembly is mated to a wireform with the tabs extending through commissure posts of the wireform. A support stent having an upper surface matching the lower surface of the wireform sandwiches the edges of the leaflet subassembly therebetween. Separated tabs on the leaflet subassembly are passed through the wireform commissures and attached to adjacent stent commissures so as to induce clamping of the leaflet tabs between the stent commissures and wireform commissures upon a radially inward force being applied to the leaflets.
Owner:EDWARDS LIFESCIENCES CORP

System and method for communication and mapping of business objects between mobile client devices and a plurality of backend systems

A system for communication and mapping of business objects between a mobile client device and a plurality of backend systems via a network includes a mobile server and a mobile client device in data communication with the mobile server. The mobile server includes a process automation engine, a communication module coupled to the process automation engine and a presentation module coupled to the process automation engine and the communication module. The process automation engine is configured to map business objects to a plurality of backend systems and includes a plurality of mobile business processes where each mobile business process defines a flow and exchange of business objects between the mobile client device and at least one of the plurality of backend systems. The communication module is configured to receive and transmit business objects between the mobile client device and at least one of the plurality of mobile business processes via the network. The presentation module is configured to define a dynamic user interface based on at least one mobile business process. The dynamic user interface is configured to integrate the business objects and the at least one mobile business process. The mobile client device includes a thick client application in data communication with the communication module and configured to receive the business objects and the definition of the dynamic user interface. The thick client application is also configured to generate the dynamic user interface to facilitate viewing and modifying the business objects.
Owner:INFOWAVE SOFTWARE
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