This inventor holds 3 USPTO granted patents and 1 EPO patent. Top assignee: The United States of America, as Represented by the Secretary, Department of Health and Human Services. Active years: 2018-2019.
Company Filing History:
Years Active: 2018-2019
Title: Innovations by Chunqi Qian in Magnetic Resonance Imaging
Introduction
Chunqi Qian is a notable inventor based in Rockville, MD (US), recognized for his contributions to the field of magnetic resonance imaging (MRI). He holds 3 patents that showcase his innovative approaches to enhancing MRI technology.
Latest Patents
One of his latest patents is titled "Negative resistance preamplifier for inductively coupled local MRI coils." This invention presents a novel MRI-compatible amplifier design that utilizes positive feedback from a low-noise Field-Effect Transistor to amplify the signal current within a resonant NMR coil. The amplified signal current in this low-power circuit produces RF flux that can be coupled out to receiving loops positioned externally without significant loss in sensitivity. Additionally, the amplifier can be remotely powered by external resonant loops, a small non-magnetic battery, or optical power. This capability allows the NMR coil to be positioned during highly invasive procedures, such as surgical resection of tumors in deep-lying tissues, to develop high-resolution images.
Another significant patent is the "Wirelessly powered magnetic resonance imaging signal amplification system for ingestible devices having L-C mesh circuit." This invention features an implantable parametric circuit that enables local signal amplification and wireless transmission of RF signals in connection with MRI systems. The parametric circuit detects RF signals during the MRI procedure, amplifies them, and transmits the amplified RF signal wirelessly to an external pick-up coil. Notably, the parametric amplifier can utilize another RF signal generated by an external source as its primary power source. This innovation allows implanted or catheter coils to function as wireless signal transducers without the need for a battery or power connection.
Career Highlights
Chunqi Qian works for the United States of America, as Represented by the Secretary, Department of Health and Human Services. His work focuses on advancing medical imaging technologies, particularly in the realm of MRI.
Collaborations
Chunqi has collaborated with notable colleagues, including Stephen Dodd and Alan Koretsky, contributing to the development of innovative solutions in medical imaging.
Conclusion
Chunqi Qian's work in the field of magnetic resonance imaging exemplifies the impact of innovative thinking on medical technology. His patents reflect a commitment to improving diagnostic capabilities and patient care through advanced engineering solutions.