Medical probes with field transducers
US6453190B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1998 |
| Grant date | Sep 17, 2002 |
| Priority date | — |
| Expiry date | Dec 10, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2025/1052
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A field transducer (30) for determining position or orientation in a medical instrument locating system is placed at an arbitrary position or orientation with respect to a feature (62) of the instrument (46). The transducer (30) may be attached at a arbitrary location on the instrument (46), or the instrument (400, 404) may be bent as desired by the user. A transform relating position or orientation of feature of the instrument to position or orientation of the tranducer is obtained in a caliration cycle. A field transducer may be part of a disposable unit which is irrevocably altered when used with an instrument so that the unit cannot be reused.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.