Filter for use in an acoustic imaging device

Details Filter for use in an acoustic imaging device Filter for use in an acoustic imaging device

1997-10-06

1998-12-15

Lateef, Marvin M.

Surgery

Diagnostic testing

Respiratory

600533, A61B 508

Patent

active

058489738

ABSTRACT:
In a device for acoustic imaging of internal morphology of the respiratory tract which utilizes a hollow acoustic pipe having a speaker on one end and microphones on its side wall the improvement comprising a disposable tube or sleeve which is intended to be coextensive with the pipe, having a filter at its far end so as to avoid cross-contamination between patients whose breath enters the pipe while protecting the speaker from humidity.

REFERENCES:
patent: 5195528 (1993-03-01), Hok
patent: 5666960 (1997-09-01), Fredberg et al.

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