https://www.wheatleyresearch.co.uk/blog daily 0.75 2023-11-14 https://www.wheatleyresearch.co.uk/blog/blog-post-four-p56ys monthly 0.5 2021-11-09 https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/ff9b42db-e394-4e3a-be37-577ade8313e7/AdobeStock_132850494.jpeg Articles - Mechanical and morphological study of biostable polyurethane heart valve leaflets explanted from sheep https://www.wheatleyresearch.co.uk/blog/blog-post-one-zph5n monthly 0.5 2021-11-05 https://www.wheatleyresearch.co.uk/blog/blog-post-two-rxwep monthly 0.5 2021-11-09 https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1636472733419-ARCK3E7Y8OZSLI70PAJ6/AdobeStock_629921.jpeg Articles - Polyurethane: material for the next generation of heart valve prostheses? https://www.wheatleyresearch.co.uk/blog/blog-post-three-z4xwp monthly 0.5 2021-11-05 https://www.wheatleyresearch.co.uk/blog/development-history monthly 0.5 2021-01-13 https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610558362344-9VB2E50Y1AFSG44OI230/Picture10.png Articles - Development History As this photograph shows there remain difficulties with injection moulding. https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610558547596-4CC5D1VJS7VO4HG1E57Q/Picture13.png Articles - Development History These studies suggest that the novel valve, when exposed to clockwise flow (lowest brown line) has lower steady state flow pressure drop than when exposed to anticlockwise flow (blue line), and lower than the control ‘conventional’ design valve. https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610557678940-T0T65JWG8VDO4IBOD3J0/Picture3.png Articles - Development History Drawing showing the S-shaped and U-shaped leaflet designs https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610557856104-JF84FTTB1M0A985C9LVI/Patents.png Articles - Development History https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610557490952-4TIZCVOCD6B1WN952NFB/Picture1.png Articles - Development History Early polyurethane valve https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610558197570-MZB9K7B91PPG07URZK4T/Picture8.png Articles - Development History Injection Moulding Equipment https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610558040504-ZLFNMJ67GAHUTQSDZFZC/Picture6.png Articles - Development History Frame design for injection moulding https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610561221576-RO03XT7EREK6H66RGVU0/Picture4a.png Articles - Development History - Former design used in dip moulding in polyurethane at 60C in a vacuum oven https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610560780946-RL1BYT7381V8LHEH1I6Q/Picture4b.png Articles - Development History - Measuring leaflet thickness https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610560780929-ON8QCV1TX0DCN16039J2/Picture4c.png Articles - Development History - Thickness measurements varied between 274 and 16 microns https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610558112865-BZ4C2X4O8MSJHCVOV7L0/Picture7.png Articles - Development History Moldflow Study (Plunkett Associates) https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610557561845-UKSNS438J9ADIWFHTQ8Z/Picture2.png Articles - Development History Polyurethane valve in mitral position https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610558283436-RTVIQOMB3CQ7L3L4ZXHG/Picture9.png Articles - Development History 25mm and 23mm diameter valves https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1610558445970-VW0G1K1RN9EHIPLJGBA4/Picture12.png Articles - Development History This simple model illustrates how to create a curved leaflet surface from a flat polymer sheet https://www.wheatleyresearch.co.uk/blog/in-conversation-with monthly 0.5 2021-10-18 https://www.wheatleyresearch.co.uk/blog/maths1 monthly 0.5 2023-08-30 https://www.wheatleyresearch.co.uk/blog/maths2 monthly 0.5 2023-08-30 https://www.wheatleyresearch.co.uk/blog/maths3 monthly 0.5 2023-08-30 https://www.wheatleyresearch.co.uk/blog/usp-applies-computer-simulation-to-optimize-wheatleys-aortic-valve monthly 0.5 2023-11-14 https://www.wheatleyresearch.co.uk/our-vision daily 0.75 2020-12-02 https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1606925177209-O2I2BTM1T6HG4M6S1BYI/Valve.png Our Vision - An Innovative Design Describe the problems with current valve design. Describe why the Wheatley valve overcomes these problems. Mention the patents. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum dapibus, dolor quis consequat tincidunt, orci eros tristique ipsum, nec congue neque metus id libero. Nunc id blandit sapien. Donec at turpis ut turpis faucibus congue a ac felis. Suspendisse sed tortor non sem varius rutrum. Phasellus sapien purus, pretium non lorem a, blandit vulputate mi. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices posuere cubilia curae; Nulla iaculis pellentesque ultricies. Aenean vel quam id massa ullamcorper iaculis. Donec risus metus, euismod vel orci eu, facilisis interdum odio. Ut placerat orci nibh, in varius diam varius et. Donec volutpat metus nec neque malesuada, at pretium lectus porttitor. Fusce at euismod ex. Integer justo metus, eleifend quis massa at, pulvinar dictum nisl. Phasellus a velit sit amet magna mattis hendrerit sed ac arcu. Quisque et lobortis felis. Nullam pellentesque eros arcu, ultricies mollis libero finibus non. Nulla molestie mauris nunc, ac sagittis lacus tristique a. Donec dignissim erat lobortis odio luctus molestie. Duis massa nunc, iaculis semper porttitor non, volutpat in ante. Integer sed mi at mi ultricies mattis eget nec nibh. Etiam elementum elit vel ex vulputate maximus. Nam ut erat a ex scelerisque sodales quis nec sapien. https://www.wheatleyresearch.co.uk/home daily 1.0 2024-02-28 https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1614013793507-GKQEIC4K7M0QFOJW05BE/AdobeStock_330248877.jpeg Home - Are you the right partner? We are now in a position to seek a suitable arrangement with a partner, or partners, in an academic or medical devices organisation, who will have the appropriate experience, expertise and motivation to take the our novel valve through the further development work required together with the necessary regulatory assessments with a view to clinical application of the valve. https://www.wheatleyresearch.co.uk/contact daily 0.75 2024-02-28 https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1614013599159-I3KVFXRI0LACCGNQ5JMW/AdobeStock_187221075.jpeg Contact - Contact Us. Professor David Wheatley david@wheatleyresearch.co.uk +44 (0)7842 146220 Jonathan Barson jb@wheatleyresearch.co.uk +44 (0)7974 178877 https://www.wheatleyresearch.co.uk/design daily 0.75 2021-04-12 https://www.wheatleyresearch.co.uk/about daily 0.75 2021-05-24 https://images.squarespace-cdn.com/content/v1/5fc7abbb161f8068becfea86/1621868148711-AF6THRBQY1VNEMY1KKTM/David.jpg About - Professor David Wheatley Tobias Keene, D.D.S. Hailing from Richmond, Virginia, Dr. Tobias Keene brings a bit of unabashed Southern hospitality to all his patients. He moved to Washington, D.C. over thirty years ago as a freshman at Ivy College. Right after graduation, he attended World University’s School of Dentistry. Before opening Keene Dental in 1994, he worked for free clinics and some of the finest practices in the District. He is part of the 123 Dental Association and stays up-to-date on the latest dental discoveries. When not striving to keep his patients happy and healthy, he’s enjoys hiking with his family in Rock Creek Park.