Medical implant, in particular stent for use in bodily lumen

US8016875B2 · kind B2 · utility

Assignee

• BIOTRONIK VI Patent AG · CH

Inventors

• Jens Philipp · Berlin, DE
• Andreas Neumann · Hamburg, DE

Key dates

• Filing date: May 7, 2008
• Grant date: Sep 13, 2011
• Expiry date: Dec 23, 2028

Classification

• Technology area (CPC G): Physics
• CPC primary: G01R33/34084
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A medical implant, in particular a stent for insertion in a bodily lumen, having a base structure (2, 3), wherein a passive electronic oscillating circuit configuration (4), comprising at least one inductor (L) and at least one capacitor (C1 through C4), is integrated in the base structure (2, 3), whose natural frequency (fres0) in the implanted state of the implant (1) is externally detectable by exciting the oscillating circuit configuration (4) using electromagnetic radiation such that a significant identification feature or a change of the base structure (2, 3) is detectable by the value or a change of the natural frequency (fres0) of the oscillating circuit configuration (4).