Surgery – Respiratory method or device – Means placed in body opening to facilitate insertion of...
Patent
1982-09-13
1984-05-22
Recla, Henry J.
Surgery
Respiratory method or device
Means placed in body opening to facilitate insertion of...
12820715, A61M 1600
Patent
active
044495234
ABSTRACT:
A talking tracheostomy tube according to the teachings of the present invention is shown in the preferred embodiment as including an inner cannula removably received within an outer cannula. The tracheostomy tube further includes, in the preferred embodiment, a first cuff for sealing between the outer cannula and the trachea for substantially preventing air introduced through the inner cannula to escape from the trachea through the larynx. In the preferred embodiment, air is introduced into the trachea above the first cuff by ports directionally drilled through the outer cannula and in fluid communication with a secondary passageway formed by and between the inner and outer cannulas. The inner end of the secondary passageway is formed by a sealing obstruction integrally formed in the inside surface of the outer cannula adjacent the inner end for the sealing receipt of the inner cannula. The outer end of the secondary passageway is sealed by a collar integrally formed on the outer end of the inner cannula which abuts and seals within a recess of a collar integrally formed on the outer end of the outer cannula. In its preferred form of the present invention, the tracheostomy tube further includes a second cuff for sealing between the outer cannula and the stoma of the patient for preventing the secondary air introduced through the ports from escaping through the stoma in the neck of the patient.
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Szachowicz Edward H.
Walsh John
Implant Technologies, Inc.
Recla Henry J.
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