David A Nicolas

Title: David A. Nicolas: Surgical Instrument Inventor

Introduction

David A. Nicolas is an inventor associated with Trumbull, Connecticut, and United States Surgical Corporation. His patent work focuses on a surgical instrument designed to support anastomosis, the joining of blood vessels. The available information credits him with 1 patent.

Latest Patents

Nicolas’s listed patent is “Anastomosis Instrument and Method for Performing Same.” It describes a surgical instrument for joining first and second blood vessels. The instrument includes a housing with a handle and a removable, disposable loading unit. Upper and lower fastener-support members in the loading unit receive an end of the second vessel and hold surgical fasteners. A retractable anvil moves in response to handle actuation, deforming the fasteners to secure the vessels.

Career Highlights

Nicolas’s documented invention reflects work on surgical-device design, particularly mechanisms for positioning and deploying fasteners during a vascular procedure. His association with United States Surgical Corporation connects this patent to a company working in the surgical-instrument field.

Collaborations

Keith L. Milliman and Peter W. Hinchliffe are identified as Nicolas’s coworkers. The available information does not specify their roles in the patent or whether they collaborated with him on this invention.

Conclusion

David A. Nicolas’s listed patent describes an instrument intended to facilitate blood-vessel anastomosis through a removable loading unit and retractable anvil, highlighting his contribution to surgical-device innovation.