Donald W James

Title: The Innovations of Donald W. James

Introduction

Donald W. James is a notable inventor based in Elgin, Texas. He has made significant contributions to the field of medical devices, particularly in the development of heart valves. His innovative approach has led to the creation of a unique patent that addresses critical challenges in the medical industry.

Latest Patents

Donald W. James holds a patent for "Pre-stressing devices incorporating materials subject to stress softening." This invention involves a method and apparatus for pre-stressing devices that utilize materials which are subject to stress softening. The patent describes a process for fabricating a heart valve with an inflow side and an outflow side. A portion of the heart valve is made from a material that experiences stress when a pressure differential occurs between the inflow and outflow sides. The method includes creating stress in the material prior to implantation, which stabilizes the stress/strain response of the material.

Career Highlights

Donald W. James is associated with Sulzer Carbomedics Inc., where he has contributed to advancements in medical technology. His work focuses on improving the functionality and reliability of heart valves, which are critical for patients with cardiovascular issues.

Collaborations

Some of his notable coworkers include Edward J. Sarnowski and Riyad E. Moe. Their collaborative efforts have further enhanced the development of innovative medical devices.

Conclusion

Donald W. James is a distinguished inventor whose work in the field of medical devices has made a significant impact. His patent for pre-stressing devices showcases his commitment to advancing healthcare technology.