Nasal pillows cushion for patient interface device
US12257388B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 25, 2023 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Sep 25, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0618
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A cushion for use in providing a regimen of respiratory therapy to a patient includes a base that defines a main cavity therein an aperture for receiving a flow of breathing gas. A pair of nasal pillows each extend from the base, each having a cone-shaped head that tapers inward and upward from a base portion, that extends directly from the base, to a top opening. Each head is formed to engage an inner portion of a nare of the patient. Each head defines a passage extending between the main cavity and the top opening for further conveying the flow of breathing gas from the main cavity to a nasal passage of the patient. Each base portion includes an inner edge positioned near the center of the cushion that merges with the hollow base and an opposite outer edge spaced upward from an outer surface of the hollow base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.