John T Keller

Title: The Innovative Mind of John T. Keller

Introduction

John T. Keller, an accomplished inventor based in Willoughby, Ohio, has made significant contributions to the field of medical imaging. With a total of five patents to his name, Keller's work focuses primarily on enhancing patient handling and imaging techniques in magnetic resonance imaging (MRI) systems.

Latest Patents

One of Keller's latest inventions is titled "Patient handling arrangements for NMR imaging systems." This innovative patient handling system features a portable patient table designed to dock adjacent to the magnet of an NMR system. The table consists of a bottom portion and a top portion that can be elevated to align with the magnet bore. A distinctive feature of this system is the patient pallet on the top portion, which is moved into and out of the magnet bore. This pallet includes several modules for patient support, one of which is equipped with a radio frequency coil necessary for NMR imaging, while the others are dummy modules designed to support various parts of the patient's body.

Another notable patent is "Phase sensitive detection in multislice magnetic resonance imaging." This invention leverages the same reference signal for both radio frequency transmission and phase sensitive detection within an MRI system. By employing the same signal for both processes, Keller's technique minimizes phase unlock issues, although it introduces variations in demodulated, frequency encoded information. Keller addresses this challenge by digitally filtering the received signal as a function of the demodulation frequency utilized.

Career Highlights

Keller's expertise was honed through his time at notable companies in the field, including Technicare Corporation and Ohio Nuclear, Inc. His work at these organizations provided him with the experience and insight necessary to develop groundbreaking inventions that have advanced MRI technology and patient care.

Collaborations

Throughout his career, John T. Keller has had the opportunity to collaborate with talented individuals such as Robert H. Wake and Robert L. Carper. These collaborations have fostered an environment of innovation and creativity, contributing to the successful development of his patented technologies.

Conclusion

John T. Keller's innovative contributions to the field of medical imaging exemplify his dedication to improving patient care through advanced technology. With his patents on patient handling systems and phase-sensitive detection techniques, Keller continues to impact the MRI landscape significantly, ensuring that patients receive effective and efficient care during their medical imaging procedures.