Location History:
- Cincinnati, OH (US) (2004 - 2020)
- Appleton, WI (US) (2020 - 2021)
Company Filing History:


Years Active: 2004-2021
Title: The Innovative Contributions of John Evans
Introduction
John Evans is a notable inventor based in Appleton, Wisconsin, who has made significant contributions to the field of robotic surgical tools. With a total of five patents to his name, Evans has demonstrated a commitment to advancing medical technology through innovative design and engineering.
Latest Patents
Among his latest patents, Evans has developed a cable-driven motion system for robotic surgical tools. This invention features a drive housing with an input shaft for rotation, a shaft extending from the housing with an end effector at its distal end, and a drive cable that is operatively coupled to the end effector. The design includes a cable band that connects the input shaft to the drive cable, along with an idler pulley that facilitates the movement of the cable band. This system allows for precise control of the end effector's articulation during surgical procedures.
Another significant patent by Evans is the drive cable capstan for robotic surgical tools. This invention consists of a drive housing with an input shaft and a drive cable capstan. The input shaft is equipped with a drive gear, while the drive cable capstan features a driven gear that intermeshes with the drive gear. This configuration enables the rotation of the drive cable capstan in response to the input shaft's movement. The design ensures that the drive cable is efficiently fed into the elongate shaft, extending to the end effector for enhanced surgical precision.
Career Highlights
Throughout his career, John Evans has worked with several prominent companies, including Ethicon and Gold Medal Products Company. His experience in these organizations has allowed him to refine his skills and contribute to the development of cutting-edge medical technologies.
Collaborations
Evans has collaborated with notable colleagues such as Eric Adams and A. Scott Perttola. These partnerships have fostered a creative environment that has led to the successful development of innovative surgical tools.
Conclusion
John Evans is a distinguished inventor whose work in robotic surgical tools has significantly impacted the medical field. His patents reflect a deep understanding of engineering principles and a dedication to improving surgical outcomes. Through his innovative designs, Evans continues to pave the way for advancements in medical technology.