US Patent Issued to Fisher & Paykel Healthcare on July 28 for "Medical tubes for breathing circuit" (New Zealander Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,691,243, issued on July 28, was assigned to Fisher & Paykel Healthcare Ltd. (Auckland, New Zealand).

"Medical tubes for breathing circuit" was invented by Matthew Liam Buswell (Auckland, New Zealand), Gavin Walsh Millar (Auckland, New Zealand) and James William Stanton (Auckland, New Zealand).

According to the abstract* released by the U.S. Patent & Trademark Office: "A breathing circuit for use in respiratory therapy includes an inspiratory tube and an expiratory tube. The inspiratory tube of the breathing circuit has a smooth bore. The expiratory tube of the breathing circuit is corrugated. Preferably, the expiratory tube is vapor permeable. Using the combination of a smooth bore i...