This inventor holds 3 USPTO granted patents and 3 published patent applications. Top assignees: Medtronic Cryocath LP, Medtronic, Inc.. Active years: 2025-2026.
Company Filing History:
Years Active: 2025-2026
Title: Innovations by Wing-Choi Ma in Medical Device Technology
Introduction
Wing-Choi Ma is an accomplished inventor based in Maple Grove, MN (US). He holds a total of 3 patents that focus on advancements in medical device technology, particularly in the field of cryotherapy. His innovative approaches have contributed significantly to the efficiency and effectiveness of medical treatments.
Latest Patents
One of his latest patents is titled "Delivering refrigerant to catheters for cryotherapy." This patent discloses a method and system for controlling the flow of refrigerant through a medical device. The system includes a first path and a second path in communication with the expansion cavity portion of the medical device. It features a first PID controller that operates a first proportional valve based on pressure measurements, as well as a second PID controller for the second path.
Another notable patent is "Managing delivery of refrigerants to medical devices." This patent outlines systems and methods for the controllable delivery of pressurized refrigerant to medical devices, such as cryoablation catheters. The delivery system includes a tank holding the pressurized refrigerant, an electrical heater, and an electronic controller that regulates the heater based on input signals from various sensors. The electronic controller processes these signals to determine when to switch the heater on or off, ensuring optimal performance.
Career Highlights
Wing-Choi Ma has worked with prominent companies in the medical technology sector, including Medtronic Cryocath LP and Medtronic, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas in medical device technology.
Collaborations
Throughout his career, Wing-Choi Ma has collaborated with notable professionals in the field, including Bertin Simeon and Julia A Schraut. These collaborations have further enhanced his contributions to medical technology.
Conclusion
Wing-Choi Ma's work in the field of medical devices, particularly in cryotherapy, showcases his innovative spirit and dedication to improving patient care. His patents reflect significant advancements that have the potential to transform medical treatments.