Location History:
- Binghamton, NY (US) (1995)
- Poolesville, MD (US) (1996)
Company Filing History:
Years Active: 1995-1996
Title: **The Innovative Contributions of Zhao H Chang in Cryosurgery**
Introduction
Zhao H Chang, an accomplished inventor based in Binghamton, NY, has made significant strides in the field of cryosurgery. With a total of two patents to his name, he is known for his pioneering work on medical instruments that enhance surgical procedures and improve patient outcomes.
Latest Patents
Zhao H Chang's innovations include two notable patents:
1. **Cryogenic Surgical Instrument and Method of Manufacturing the Same**: This invention describes a sophisticated cryosurgical probe designed to ensure efficient cryogenic fluid supply and return. The probe features concentrically arranged tubes that enhance thermal insulation through an evacuated handle and shaft. The manufacturing process involves a vacuum brazing method, allowing for the assembly of robust and thermally insulated surgical instruments that maintain their effectiveness during procedures.
2. **Closed Circulation Tissue Warming Apparatus and Method of Using the Same**: This invention focuses on a closed circulation apparatus aimed at maintaining tissue temperature during surgical interventions, particularly in prostate surgery. The device comprises a multi-lumen catheter that circulates warmed water, effectively preventing tissue damage and ensuring optimal conditions during cryoablation of the prostate gland.
Career Highlights
Zhao H Chang is associated with Cryomedical Sciences Inc., where he applies his expertise to develop innovative surgical solutions. His patents demonstrate a commitment to advancing medical technology and enhancing surgical precision in challenging environments.
Collaborations
During his career, Zhao has collaborated with renowned professionals in the field, including John G Baust and J J Finkelstein. These partnerships have contributed to the successful development of his inventions and the continued evolution of cryosurgical techniques.
Conclusion
Zhao H Chang's contributions to cryosurgery through his innovative patents represent a significant advancement in medical technology. His work not only showcases his dedication to improving surgical practices but also highlights the impact of collaboration in the development of groundbreaking medical solutions.