Seal forming portion, pad and cushion for a patient interface and method of manufacturing

US10207070B2 · kind B2 · utility

Assignee

• ResMed Corp. · AU

Inventors

• Christian Bayer · Penzberg, DE
• Achim Biener · Erding, DE
• Johann Sebastian Burz · Germaringen, DE
• Robert Eibl · Annaberg-Buchholz, DE
• Andreas Kirchberger · Sinzing, DE
• Bernd Christoph Lang · Bogen, DE
• Johannes Nickol · Munich, DE
• Jens Rothfuss · Unterschleißheim, DE

Key dates

• Filing date: Jun 17, 2015
• Grant date: Feb 19, 2019
• Expiry date: Nov 30, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/0222
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

It is discloses a patient interface 3000 comprising a seal forming portion 11, a pad 10, and a cushion 20. The seal forming portion 11 may comprise a base surface 111 and a plurality of fibers 112 fixed to and extending away from said base surface 111 for contacting a patient's skin. The cushion 20 may comprise at least along a portion of the circumference a first structure 22 having an elongate section 24 joined with at least one end section 26 oriented substantially perpendicular or at an angle to the elongate section 24. A first end A of the elongate section 24 may be connected or connectable to a frame member 30. The end section 26 may be provided at an opposing second end B of the elongate section 24. The pad 10 may comprise a resilient foam material layer with the seal forming portion 11. The pad 10 may be adapted to be connected to the cushion 20.