MRI-safe cardiac stimulation device
First Claim
Patent Images
1. An MRI-safe cardiac stimulation device, comprising:
- a voltage discharge unit adapted to provide voltage pulses;
a pair of implantable electrodes connected to deliver voltage pulses from said voltage discharge unit to implanted cardiac tissue; and
an electrode isolation system adapted to electrically isolate said electrodes from said voltage discharge unit during time intervals between said voltage pulses and being responsive to said voltage pulses to connect said voltage discharge unit to said electrodes during said voltage pulses.
3 Assignments
0 Petitions
Accused Products
Abstract
An MRI-safe cardiac stimulation device includes a voltage discharge unit adapted to generate voltage pulses, a pair of implantable electrodes connected to deliver voltage pulses from the voltage discharge unit to implanted cardiac tissue, and an electrode isolation system S adapted to electrically isolate the electrodes from the voltage discharge unit during time intervals between the voltage pulses, the electrode isolation system being responsive to the voltage pulses to connect the voltage discharge unit to the electrodes during the voltage pulses.
-
Citations
20 Claims
-
1. An MRI-safe cardiac stimulation device, comprising:
-
a voltage discharge unit adapted to provide voltage pulses;
a pair of implantable electrodes connected to deliver voltage pulses from said voltage discharge unit to implanted cardiac tissue; and
an electrode isolation system adapted to electrically isolate said electrodes from said voltage discharge unit during time intervals between said voltage pulses and being responsive to said voltage pulses to connect said voltage discharge unit to said electrodes during said voltage pulses. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. An MRI-safe cardiac stimulation device, comprising:
-
pulse generating means for providing voltage pulses;
implantable means for delivering said voltage pulses from said pulse generating means to implanted cardiac tissue; and
electrode isolation means for electrically isolating said implantable means from said pulse generating means during time intervals between said voltage pulses and being responsive to said voltage pulses to connect said pulse generating means to said implantable means during said voltage pulses. - View Dependent Claims (16, 17, 18, 19)
-
-
20. An MRI-safe defibrillator, comprising:
-
a voltage discharge unit adapted to provide voltage pulses;
a pair of implantable electrodes connected to deliver voltage pulses from said voltage discharge unit to implanted cardiac tissue; and
an electrode isolation system adapted to electrically isolate said electrodes from said voltage discharge unit during time intervals between said voltage pulses and being responsive to said voltage pulses to connect said voltage discharge unit to said electrodes during said voltage pulses.
-
Specification