This inventor holds 2 USPTO granted patents. Top assignees: Qlt Phototherapeuticcs Inc., Qlt Phototherapeutics, Inc., Thompson Cancer Survival Center. Active years: 2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 1 
1 out of 15 
1 out of 1 Years Active: 2000
Title: Mike Stonefield: Innovator in Photodynamic Therapy
Introduction
Mike Stonefield is a notable inventor based in Vancouver, Canada. He has made significant contributions to the field of photodynamic therapy, particularly in the treatment of Barrett's esophagus. With a total of 2 patents, his work focuses on improving therapeutic methods and devices.
Latest Patents
Stonefield's latest patents include innovative technologies aimed at enhancing treatment efficacy. One of his patents, titled "Therapeutic methods and devices for irradiating columnar environments," provides improved methods for delivering light to the surface of a biological column. This invention is particularly relevant in the treatment of Barrett's esophagus using photodynamic therapy (PDT). The improvement involves the use of an extended irradiation segment, allowing for longer treatment lengths without increasing the risk of stricture formation.
Another significant patent is the "Balloon catheter for photodynamic therapy." This invention offers improved balloon catheter apparatuses designed for therapies that require uniform light delivery to a treatment area. The apparatus features a balloon with a defined treatment window, which is delineated using reflective material. Additionally, it may include a fiber optic cable that terminates in a diffusion tip longer than the treatment window, enhancing the therapeutic methods associated with these improved balloon catheters.
Career Highlights
Throughout his career, Mike Stonefield has worked with various companies, including QLT Phototherapeutics Inc. His experience in the industry has allowed him to develop and refine his innovative ideas, contributing to advancements in medical technology.
Collaborations
Stonefield has collaborated with notable professionals in his field, including Bergein F Overholt and Joseph Yan. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Mike Stonefield's contributions to photodynamic therapy demonstrate his commitment to improving medical treatments through innovation. His patents reflect a deep understanding of the challenges in the field and a dedication to finding effective solutions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile