John E Roberts

Title: The Innovations of John E. Roberts

Introduction

John E. Roberts is a notable inventor based in Carson City, NV (US), recognized for his significant contributions to the field of medical devices. With a total of 14 patents to his name, Roberts has made remarkable advancements in the design and functionality of active implantable medical devices (AIMDs).

Latest Patents

Roberts' latest patents include a low equivalent series resistance RF filter for an AIMD. This invention features a conductive housing and an electrically conductive ferrule, which is hermetically sealed with an insulator. The design incorporates a conductive pathway that is also hermetically sealed through the insulator. A filter capacitor is placed on a circuit board within the housing, featuring a dielectric body that supports at least two active and two ground electrode plates interleaved. The active electrode plates are electrically connected to the conductive pathway, while the ground plates are coupled to the ferrule or conductive housing. The dielectric body has a dielectric constant of less than 1000 and a capacitance ranging from 10 to 20,000 picofarads. This filter capacitor is specifically configured for EMI filtering of MRI high RF pulsed power, achieving a low ESR of less than 2.0 ohms at the MRI RF pulsed frequency.

Another significant patent involves an RF filter on a circuit board for an active medical device (AMD) that manages high RF power induced in an associated implanted lead from an external RF field. This invention shares similar features with the previous patent, emphasizing the importance of EMI filtering in medical applications.

Career Highlights

Throughout his career, John E. Roberts has worked with prominent companies such as Greatbatch Ltd. and Greatbatch-Sierra, Inc. His experience in these organizations has allowed him to refine his skills and contribute to the development of innovative medical technologies.

Collaborations

Roberts has collaborated with notable individuals in the field, including Robert A. Stevenson and Richard L. Brendel. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

John E. Roberts stands out as a pioneering inventor in the realm of medical devices, with a focus on enhancing the performance and safety of AIMDs. His contributions through patents and collaborations have significantly impacted the industry, showcasing his dedication to innovation.