The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 1995
Filed:
Nov. 01, 1993
Artema Medical AB, Sundbyberg, SE;
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.