Surgery – Truss – Pad
Patent
1990-02-22
1992-09-29
Cohen, Lee S.
Surgery
Truss
Pad
324318, A61B 5055
Patent
active
051507102
ABSTRACT:
In a nuclear magnetic resonance imaging system, a receive-only RF surface coil is fixedly supported on a non-metallic portable base by a non-metallic flexible support which permits the coil to be translated along any one of three orthogonal directions and to be rotated about any one of three orthogonal axes with respect to the base. The coil is therefore quickly movable to any position and orientation adjacent a patient being scanned in the magnetic resonance imaging system, and is immovably supported in the selected position and orientation during the scanning process. The coil may therefore be quickly and easily placed as close as possible to any region of interest of the patient's body without touching it, thereby optimizing the quality of the images obtained while avoiding undesirable image artifacts normally caused by movement of the coil with the patient's body motion. In one embodiment of the invention, a modular segmented joint assembly mounted on the base is connected to the surface coil through a ball jointed head. The surface coil is mounted in the head by hook and loop fasteners. The interior of the segmented joint assembly may be filled with a friction-increasing substance such as powder to increase stiffness of the assembly. Another segmented joint assembly supports a multi-mirror assembly on the base, allowing the patient to see non-inverted images outside of the MRI enclosure.
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Hall Bradford D.
Krupnick Steven B.
Cohen Lee S.
Pfaffle K. M.
Webb Research II, Inc.
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