Company Filing History:
Years Active: 1999-2004
Title: Innovations of James R. Ringdal in Prosthetic Heart Valves
Introduction
James R. Ringdal is a notable inventor based in Blaine, MN (US), recognized for his contributions to the field of medical devices, particularly in the development of prosthetic heart valves. With a total of 4 patents to his name, Ringdal has made significant advancements that enhance the functionality and effectiveness of heart valve replacements.
Latest Patents
Among his latest innovations are two key patents related to prosthetic heart valves. The first patent, titled "Prosthetic heart valve with increased lumen," describes a prosthetic heart valve designed to replace a native heart valve. This valve features a generally circular body with an inner wall that defines a lumen, allowing for optimal blood flow. The occluders within the valve are engineered to rotate between open and closed positions, effectively blocking blood flow when closed while providing an increased lumen when open.
The second patent, "Prosthetic heart valve with increased valve lumen," outlines a heart valve prosthesis that includes a valve housing with a lumen. This housing has a first annulus on one end and a second annulus on the opposite end, with a suture cuff for attaching the valve to the heart tissue. The design allows for the prosthesis to be positioned in a supra-annular manner, enhancing the valve lumen and improving patient outcomes.
Career Highlights
James R. Ringdal has made a significant impact in the medical device industry through his work at St. Jude Medical, Inc. His innovative designs and patents have contributed to advancements in cardiac care, providing patients with improved treatment options.
Collaborations
Throughout his career, Ringdal has collaborated with esteemed colleagues, including Avrom M. Brendzel and Guy P. Vanney. These partnerships have fostered a collaborative environment that encourages innovation and the development of cutting-edge medical technologies.
Conclusion
James R. Ringdal's contributions to the field of prosthetic heart valves exemplify the importance of innovation in medical technology. His patents not only enhance the functionality of heart valves but also improve the quality of life for patients requiring these critical devices.