Patent · US Active

Method and system for ablation catheter and circumferential mapping catheter tracking in fluoroscopic images

US9002436B2 · kind B2 · utility

2Cited by

1References

30Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Wen Wu · Plainsboro, US
Terrence Chen · Princeton, US
Norbert Strobel · Heroldsbach, DE
Dorin Comaniciu · Princeton Junction, US

Key dates

Filing date	Sep 19, 2012
Grant date	Apr 7, 2015
Priority date	—
Expiry date	Jan 11, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG06V2201/034
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A method and system for tracking an ablation catheter and a circumferential mapping catheter in a fluoroscopic image sequence is disclosed. Catheter electrode models for the ablation catheter and the circumferential mapping catheter are initialized in a first frame of a fluoroscopic image sequence based on user inputs. The catheter electrode models for the ablation catheter and the circumferential mapping catheter are then tracked in each remaining frame of the fluoroscopic image sequence. In each remaining frame, candidates of catheter landmarks such as the catheter tip, electrodes and body points are detected for the ablation catheter and the circumferential mapping catheter, tracking hypotheses for the catheter electrode models are generated, and for each of the ablation catheter and the circumferential mapping catheter, the catheter electrode model having the highest probability score is selected from the generated tracking hypotheses.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.