Surgical implement detector utilizing an acoustic marker
US5329944A · kind A · utility
270Cited by
3References
16Claims
0Family size
Inventors
Key dates
| Filing date | Mar 2, 1993 |
| Grant date | Jul 19, 1994 |
| Priority date | — |
| Expiry date | Mar 2, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/3925
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides a method and apparatus for accurately and reliably detecting surgical implements within animal or human tissue. The apparatus comprises a detector responsive to the presence, within a wound, of a surgical implement to which a marker is secured. The marker is adapted to produce identifying acoustic signal characteristics within the wound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.