Surgery – Truss – Pad
Patent
1987-10-30
1992-02-04
Smith, Ruth S.
Surgery
Truss
Pad
324318, A61B 5055
Patent
active
050852191
ABSTRACT:
An adjustable holder for a magnetic resonance imaging RF surface coil for imaging a part of the body such as the temporomandibular joint. Elements are provided for positioning and securing the RF surface coil at a first predetermined point along a longitudinal axis of the holder and for positioning and securing the RF surface coil at a second predetermined point transverse to the longitudinal axis and at a radial distance R from the longitudinal axis. The preferred embodiment provides orbital movement of the surface coil about the longitudinal axis using a pair of U-shaped runner guides disposed substantially transverse to the longitudinal axis and adjustable clamps in cooperative engagement with the runner guides. The surface coil may be adjusted along a path transverse to the longitudinal axis by way of an adjustable shaft or arm which can be moved inwardly and outwardly, and the surface coil can be pivoted in a step-wise manner using a pivot head having a plurality of equally spaced detents. The pivot head is biased in a direction away from the surface coil and adjustably engages one of the plural detents while rotating about an axis substantially parallel to the longitudinal axis.
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Gyori Matthias
Kircos Louis T.
Nichols Brenda G.
Ortendahl Douglas A.
Zepeda Ernesto
Smith Ruth S.
The Regents of the University of California
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