Surgery – Respiratory method or device – Inhaled gas heated or humidified by exhaled gas
Patent
1993-11-01
1995-10-24
Burr, Edgar S.
Surgery
Respiratory method or device
Inhaled gas heated or humidified by exhaled gas
12820316, 12820512, A62B 1808
Patent
active
054601720
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.
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patent: 5320096 (1994-06-01), Hans
Eckerbom Anders
Hamilton Carl
Zyzanski Robert
Artema Medical AB
Burr Edgar S.
Lewis Aaron J.
Seiler Jerry R.
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