Rotation positioning device for a coil of a magnetic resonance imaging apparatus
First Claim
1. A rotation positioning device for a magnetic resonance imaging coil, comprising:
- a magnetic resonance imaging coil having a cavity adapted to receive an examination subject;
a backing member that is freely rotatable within said cavity;
a first driving member and a first rotating member carried by said backing member;
a second driving member and a second rotating member attached to said coil; and
said first driving member and said second driving member forming a transmission pair, and said first rotating member being rotated relative to said second rotating member upon being driven by said transmission pair.
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Accused Products
Abstract
A rotation positioning device for a coil of a magnetic resonance imaging apparatus, having a cavity in the coil for accommodating a part to be examined, has a backing member that can freely rotate within this accommodating cavity. The backing member is provided with a first driving member and a first rotating member, and the coil is provided with a second driving member and a second rotating member. The first driving member and the second driving member form a transmission pair, and the first rotating member can rotate relative to the second rotating member under the drive of the first driving member and the second driving member. The second driving member can be driven manually or by an external driving source connected thereto to drive the first driving member, thereby driving the backing member to rotate via the cooperation of the first rotating member and the second rotating member. Also, by appropriate configuration of parameters, such as position and size, of the first driving member and the second driving member, the rotation angle or range of the backing member can be controlled precisely and quantitatively.
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Citations
20 Claims
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1. A rotation positioning device for a magnetic resonance imaging coil, comprising:
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a magnetic resonance imaging coil having a cavity adapted to receive an examination subject;
a backing member that is freely rotatable within said cavity;
a first driving member and a first rotating member carried by said backing member;
a second driving member and a second rotating member attached to said coil; and
said first driving member and said second driving member forming a transmission pair, and said first rotating member being rotated relative to said second rotating member upon being driven by said transmission pair. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification