Filter for use in an acoustic imaging device
US5848973A · kind A · utility
3Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 6, 1997 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Oct 6, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/085
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.