Donald Leroy Johnston

Title: Innovations by Donald Leroy Johnston

Introduction

Donald Leroy Johnston is an accomplished inventor based in Arcadia, CA (US). He has made significant contributions to the field of medical technology, holding a total of 3 patents. His work focuses on improving medical devices that enhance the efficiency and safety of medical procedures.

Latest Patents

One of Johnston's latest innovations is a syringe pumping system with valves. This system is designed to deliver measured doses of liquid from a reservoir container to smaller vials or hypodermic syringes. It features an improved valve system that includes both heavily biased and lightly biased check valves. This design prevents valve leakage and reduces operator fatigue, making it a valuable tool in medical settings.

Another notable patent is a vented needle for medical liquids. This thermoplastic needle allows for the injection of sterile liquid into a vial while facilitating the escape of air through a special vent groove. The design includes spaced stop wings to prevent overinsertion and occlusion of the vent groove, ensuring a safer and more effective injection process.

Career Highlights

Donald Johnston is currently associated with American Hospital Supply Corporation, where he continues to innovate in the medical field. His work has had a lasting impact on the design and functionality of medical devices, contributing to better patient care.

Collaborations

Johnston has collaborated with notable coworkers such as Pradip V Choksi and Lynn Zaugg Youngberg, further enhancing the innovative environment in which he works.

Conclusion

Donald Leroy Johnston's contributions to medical technology through his patents demonstrate his commitment to improving healthcare solutions. His innovative designs continue to influence the industry and enhance patient safety and care.