WE-E-M100F-06: Latency Measurements and Demonstration of a 4D Electromagnetic Localization System for LINAC Beam Gating

2007 ◽  
Vol 34 (6Part21) ◽  
pp. 2608-2608
Author(s):  
DM Shepard ◽  
DJ Housley ◽  
MKN Afghan ◽  
B Sargent ◽  
J Peterson ◽  
...  
Keyword(s):  
Localization System ◽  
Electromagnetic Localization

MO-D-ValB-05: Commissioning An AC Electromagnetic Localization System for Radiation Therapy

2006 ◽  
Vol 33 (6Part14) ◽  
pp. 2161-2162
Author(s):  
T Willoughby ◽  
S Meeks ◽  
E Vertatschitsch ◽  
S Dimmer ◽  
J Riley ◽  
...  
Keyword(s):  
Radiation Therapy ◽  
Localization System ◽  
Electromagnetic Localization

Calypso® 4D Localization System: a review

2014 ◽  
Vol 13 (4) ◽  
pp. 473-483 ◽  
Author(s):  
C. Silva ◽  
D. Mateus ◽  
M. Eiras ◽  
S. Vieira
Keyword(s):  
Multileaf Collimator ◽  
Prostate Cancer Treatment ◽  
Localization System ◽  
Prostate Radiotherapy ◽  
Intrafraction Motion ◽  
Advantages And Disadvantages ◽  
System A ◽  
Electromagnetic Localization ◽  
Tumour Target ◽  
Electromagnetic Transponders

AbstractPurposeCalypso® 4D Localization System is a system based on electromagnetic transponders detection enabling precise 3D localisation and continuous tracking of tumour target. This review intended to provide information in order to (1) show how Calypso® 4D Localization System works, (2) to present advantages and disadvantages of this system, (3) to gather information from several clinical studies and, finally, (4) to refer Calypso® System as a tool in dynamic multileaf collimator studies for target motion compensation.MethodsA structured search was carried out on B-On platform. The key words used in this research were ‘Calypso’, ‘Transponder’, ‘Electromagnetic Localization’, ‘Electromagnetic Tracking’, ‘Target Localization’, ‘Intrafraction Motion’ and ‘DMLC’.ReviewTreatment the implanted transponders are excited by an electromagnetic field and resonate back. These frequencies are detected and Calypso® software calculates the position of the transponders. If the movement detected is larger than the limits previously defined, irradiation can be stopped. The system has been proven to be submillimetre accurate.DiscussionCalypso® System has been presented as an accurate tool in prostate radiotherapy treatments. The application of this system to other clinical sites is being developed.ConclusionThe Calypso® System allows real-time localisation and monitoring of the target, without additional ionising radiation administration. It has been a very useful tool in prostate cancer treatment.

The Effect of Transponder Motion on the Accuracy of the Calypso Electromagnetic Localization System

2008 ◽  
Vol 72 (1) ◽  
pp. 295-299 ◽  
Author(s):  
Martin J. Murphy ◽  
Richard Eidens ◽  
Edward Vertatschitsch ◽  
J. Nelson Wright
Keyword(s):  
Localization System ◽  
Electromagnetic Localization
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