This inventor holds 2 USPTO granted patents. Top assignee: Concept, Inc.. Active years: 1980.
Company Filing History:
Years Active: 1980
Title: Innovations of John J Hren
Introduction
John J Hren is a notable inventor based in Gainesville, FL (US). He has made significant contributions to the field of electrosurgery, holding 2 patents that showcase his innovative spirit and technical expertise.
Latest Patents
Hren's latest patents include a Bipolar Electrosurgical Knife, which is an advanced electrosurgical instrument designed for precision cutting and coagulation. This instrument features a handle that holds a blade assembly with multiple electrodes and insulation members strategically positioned between them. The design includes a center electrode of specified thickness, with insulation members that secure it and a series of side electrodes. This configuration allows for a cutting edge with a composite angle of less than 120 degrees, enhancing electrosurgical performance. The device operates using a high-frequency electrical current that forms a circuit through the tissue, ensuring effective surgical outcomes.
Another patent for the Bipolar Electrosurgical Knife focuses on its ability to perform cutting, spot coagulation, and point coagulation. This version also includes a nonconductive handle and a blade assembly with a center electrode that has a recessed tip. The design allows for a consistent bipolar operation, with the electrode area ratio of the return electrode area to the active electrode area falling between 0.70 and 2.0. This innovation further improves the efficiency and effectiveness of electrosurgical procedures.
Career Highlights
Hren is associated with Concept, Inc., where he continues to develop and refine his inventions. His work has significantly impacted the medical field, particularly in surgical technologies.
Collaborations
Some of his notable coworkers include David E Clark and David A Jenkins, who have collaborated with him on various projects within the company.
Conclusion
John J Hren's contributions to electrosurgery through his innovative patents demonstrate his commitment to advancing medical technology. His work continues to influence surgical practices and improve patient outcomes.