Components for medical circuits

US10688270B2 · kind B2 · utility

Assignee

• Fisher & Paykel Healthcare Limited · NZ

Inventors

• David John Sims · Fort Collins, US
• Enrico Alvarez Garcia · Auckland, NZ
• Peter Kenneth Graham · Auckland, NZ

Key dates

• Filing date: Dec 12, 2017
• Grant date: Jun 23, 2020
• Expiry date: Jul 13, 2038

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49002
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Condensation or “rain-out” is a problem in medical circuits and previous attempts to manage and/or prevent rain-out have resulted in relatively expensive and/or difficult to manufacture medical circuit components. The subject patent provides an improved medical circuit component for managing rain-out. In particular the component may be an improved breathing tube, or insufflation system limb comprising a helically corrugated tube preferably incorporating a heater wire.