Roger A Wolthuis

Title: Innovations by Roger A Wolthuis

Introduction

Roger A Wolthuis is an accomplished inventor based in Woodinville, WA (US). He holds 2 patents that showcase his contributions to medical technology. His work focuses on developing innovative systems that enhance the understanding of physiological characteristics and gas concentrations in various media.

Latest Patents

One of his latest patents is an apparatus and method for determining physiologic characteristics of the body. This system includes a catheter with a low-pressure balloon, a precise fluid infusion means, and a pressure sensor. The balloon is introduced into a body lumen, such as a blood vessel, and inflated to a pressure typically below 200 mmHg. This allows for calculations of the internal cross-sectional area and diameter of the vessel, as well as compliance at various pressures. Another significant patent is an optical pH and gas concentration sensor. This sensor utilizes an indicator whose absorbance is affected by the concentration of hydronium ions. It can also sense gas concentrations by changing pH in a liquid medium surrounding the indicator.

Career Highlights

Throughout his career, Roger has worked with notable companies such as Innovation Associates, Inc. and Metricor, Inc. His experience in these organizations has contributed to his expertise in developing advanced medical devices and sensors.

Collaborations

Roger has collaborated with several professionals in his field, including Martin A Afromowitz and Gordon L Mitchell. These collaborations have likely enriched his work and led to further innovations in medical technology.

Conclusion

Roger A Wolthuis is a notable inventor whose work in medical technology has led to significant advancements. His patents reflect a commitment to improving physiological measurement and gas sensing, showcasing his innovative spirit and dedication to the field.