Moisture and heat exchanging unit for a respiration device
US5460172A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1993 |
| Grant date | Oct 24, 1995 |
| Priority date | — |
| Expiry date | Nov 1, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/107
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A moisture and heat exchanging unit for a respiration device such as a tracheal tube or tracheotomy canula, is described comprising a housing holding therein a moisture and heat exchanging body and/or a bacterial filter, said housing comprising two halves, a proximal half having an opening for connection with the airways of a patient and a distal half having an opening for communication with an air supply, said halves being mutually rotatable around a circular connection, one of said halves having an enlarged rim portion in locking, rotatable, relationship with a lid edge of the other of said halves. In a further embodiment, said halves are sealing against each other by an annular blade with tapering cross-section integral with one of said halves, sealing against an inclined internal surface of a collar integral with the other of said halves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.