WIRELESS RF COIL POWER SUPPLY
First Claim
Patent Images
1. An MR system comprising:
- an RF coil operable to transmit or receive RF signals and located within a bore of a magnet;
a converter to convert RF signals to digital signals; and
a power supply arranged to provide power to at least operate the RF coil and converter, the power supply operable without use of a battery and without use of a wired connection external to the bore of the magnet.
1 Assignment
0 Petitions
Accused Products
Abstract
A system wirelessly supplies electrical power to an RF coil and an analog-to-digital converter (ADC) for an MRI system. The system supplies power to at least operate the RF coil and ADC without the use of a battery and without use of a wired connection external to the bore of the magnet.
35 Citations
26 Claims
-
1. An MR system comprising:
-
an RF coil operable to transmit or receive RF signals and located within a bore of a magnet;
a converter to convert RF signals to digital signals; and
a power supply arranged to provide power to at least operate the RF coil and converter, the power supply operable without use of a battery and without use of a wired connection external to the bore of the magnet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. An MR assembly comprising:
-
an RF coil operable in at least one of a transmit mode and a receive mode, and configured to be located within a bore of a magnet;
a transmitter operably connected to the RF coil and configured to wirelessly transmit MR signals acquired by the RF coil when operating in a receive mode;
a power supply connected to the RF coil and configured to provide power to at least operate the transmitter, the power supply comprising;
at least one photovoltaic cell;
a light source; and
a fiber optic cable configured to receive a beam of light from a light source and translate the beam of light to the power supply. - View Dependent Claims (13, 14, 15, 16)
-
-
17. An MR apparatus comprising:
-
a first RF coil for transmitting RF signals inside a magnet bore;
a second RF coil placed adjacent to an imaging subject positioned inside the magnet bore and configured to operate in a receive mode to receive MR signals from the imaging subject;
a signal converter to convert MR signals into digital signals;
a rechargeable power supply connected to the second RF coil and configured to supply power to the signal converter, the rechargeable power supply operable without use of a battery and without use of a wired connection external to the bore of the magnet; and
a pickup coil connected to the rechargeable power supply and configured to recharge the power supply with electrical energy induced therein. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26)
-
Specification