Adjustable nasal prong and headgear assembly
US9387300B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2010 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Dec 9, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention is directed to a ventilation interface, which includes a cannula having one or more nasal prongs, a ventilation tube connected to the cannula and headgear. The cannula is secured onto the patient through one or more arced couplers positioned between the cannula and headgear. The cannula has a first side wall, a second side wall and a top wall which form a reservoir. The top wall includes a first portion, a second portion and a notch positioned between the first portion and second portion. The ventilation tube includes one or more bleed ports and provides breathable gas to a patient. The headgear includes a first strap and a second strap. The first strap includes a first portion and second portion that contains two or more slots to connect the second strap. Each portion of the first strap includes an inner layer and an outer layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.