Location History:
- Freiburg im Breisgau, DE (1982 - 1984)
- Waldkirch, DE (1988 - 1993)
Company Filing History:
6 out of 22 
1 out of 2,825 
1 out of 1 Years Active: 1982-1993
Title: The Innovative Contributions of Helmut J. Leist
Introduction
Helmut J. Leist, an accomplished inventor based in Freiburg im Breisgau, Germany, has made significant strides in the field of medical technology. With a portfolio of 8 patents to his name, his inventions focus primarily on monitoring and measuring biological parameters, showcasing a blend of ingenuity and practicality.
Latest Patents
Among his latest inventions, Helmut developed an "Apparatus and Method for Monitoring Respiration." This innovative device employs a photoplethysmographic sensor, with LED transmitter elements activated by a monitoring unit using specified control power and signal sequences. This apparatus can reliably measure both the frequency and depth of respiration as well as vital metrics like pulse frequency and oxygen saturation, presenting a marked improvement over traditional impedance pneumographic methods.
Another notable invention is the "Polarographic/Amperometric Measuring Sensor,” designed specifically for transcutaneous determination of oxygen partial pressure in blood using a Clark-type electrode arrangement. This sensor features a counter electrode encased in the same noble metal as the working electrode and can also incorporate a pH electrode for simultaneous measurement of carbon dioxide partial pressure, enhancing its usefulness in clinical settings.
Career Highlights
Throughout his career, Helmut J. Leist has worked with prestigious companies in the medical field, such as Hellige GmbH and PPG Industries, Inc. His expertise and contributions have played a pivotal role in advancing the technology used for patient monitoring and diagnosis.
Collaborations
Helmut collaborated with fellow innovators Georg J. Ullrich and Karl-Heinz Pomorin. Their collective expertise has resulted in groundbreaking technologies that push the boundaries of medical diagnostics and treatment.
Conclusion
Helmut J. Leist continues to exemplify the spirit of innovation through his patents and collaborations. His contributions not only enhance the field of medical technology but also have the potential to improve patient outcomes significantly. As an inventor, his work serves as an inspiration for future developments in medical monitoring systems.