Henry Halperin,Ehud J. Schmidt,Ronald D. Watkins,Harikrishna Tandri,David Hunter,Leslie Tung,Ronald D. Berger
申请号：
US16467373
公开号：
US20200086130A1
申请日:
2017.12.08
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A magnetic-resonance-imaging-compatible (MRI-compatible) cardiac defibrillator includes: a defibrillator generator； first and second electric wires, each being electrically connected to said defibrillator generator； first and second defibrillation pads, each being electrically connected to a respective one of said first and second electric wires； and a low pass filter electrically connected between said defibrillator generator and said first and second electric wires to prevent a noise in an MRI image caused by a radiofrequency interference from the defibrillator as well as protect a patient and the defibrillator from MRI radiofrequency imaging signals, wherein said low pass filter has a cutoff frequency set such that differential mode noise at an MRI Larmor frequency is in an attenuated band while a system-test signal by said defibrillator generator is in a pass band of said low pass filter.
