System and method for detection of metal disturbance based on orthogonal field components
US10307205B2 · kind B2 · utility
4Cited by
14References
16Claims
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Key dates
| Filing date | Dec 10, 2010 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Jan 14, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/056
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus and method for detecting metal disturbance during a medical procedure includes a probe having an insertion tube, a joint and a joint sensor, contained within the probe, for sensing a position of the insertion tube. The joint sensor has first and second subassemblies that are magnetic transducers. A processor is used for measuring force using the joint sensor, and has a threshold field value stored therein. The processor compares a sensed field value to the threshold field value and identifies a presence metal when the sensed field value is greater than the threshold field value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.