| Patent Number |
Title Of Patent |
Date Issued |
| 7508207 |
Magnetic resonance imaging device with sound-absorbing means |
March 24, 2009 |
| The invention provides a magnetic resonance imaging (MRI) device (21), comprising a diagnostic space (25), a main magnetic system (22) for generating a main magnetic field in said diagnostic space, a gradient magnetic coil system (23) comprising a gradient coil for generating at leas |
| 7400146 |
Magnetic resonance imaging apparatus with reduced noise production |
July 15, 2008 |
| The invention relates to a magnetic resonance imaging (MRI apparatus comprising a main magnetic system for generating a main magnetic field in an examination volume which is enclosed by the main magnetic system. The MRI apparatus also comprises a magnetic gradient coil system comprising |
| 7372271 |
Main magnet perforated eddy current shield for a magnetic resonance imaging device |
May 13, 2008 |
| The present invention relates to a magnetic resonance imaging (MRI) device. The basic components of an MRI device are the main magnet system (2), the gradient system (3), the RF system and the signal processing system. According to the present invention, the magnetic resonance imagin |
| 7224166 |
MRI system having a gradient magnet system with a gyroscope |
May 29, 2007 |
| The invention relates to an MRI system (1) comprising an examination volume (11), a main magnet system (13) for generating a main magnetic (field (B.sub.0) in the examination volume, a gradient magnet system (19) for generating gradients of the main magnetic field, and an anti-vibrat |
| 7193416 |
Open magnetic resonance imaging (MRI) magnet system |
March 20, 2007 |
| The invention relates to an open magnetic resonance imaging (MRI) magnet system (1) for use in a medical imaging system. The open MRI magnet system has two main coil units which are accomodated, at some distance from each other, in a first housing (2) and in a second housing (3), res |
| 7053616 |
MRI system having a gradient magnet system with a balance member |
May 30, 2006 |
| The invention relates to a magnetic resonance imaging (MRI) system (1) comprising an examination volume (11), a main magnet system (13) for generating a main magnetic field (B.sub.0) in the examination volume in a Z-direction, a gradient magnet system (19) for generating gradients of |
| 6998949 |
Magnetic resonance imaging (MRI) system comprising acoustic resonators |
February 14, 2006 |
| The invention relates to a magnetic resonance imaging (MRI) system (1) comprising an examination volume (11), a main magnet system (17) for generating a magnetic field (B0) in the examination volume, and a gradient magnet system (25) for generating altering gradients of the magnetic |
| 6549010 |
MRI apparatus with a piezo actuator in a non-rigid suspension of the gradient coil carrier |
April 15, 2003 |
| Vibrations of the gradient coil carrier (18) medical MRI apparatus should be counteracted because they give rise to disturbing noise and macroscopic movements that deteriorate the image quality. In accordance with the invention the gradient coil system is suspended by means of weak resil |
| 6353295 |
Lamp electronic ballast with a piezoelectric cooling fan |
March 5, 2002 |
| A lamp electronic ballast with a piezoelectric cooling fan. Use of ballast-driven lamps is limited in some lighting applications by thermal considerations. For example, the problem of heat removal from compact fluorescent lamps with integrated ballasts has limited their use. Similarl |
