发明申请
US20080197850A1 MAGNETIC RESONANCE APPARATUS HAVING A SUPERCONDUCTING BASIC FIELD MAGNET WITH A STRUCTURALLY REINFORCED CRYOSHIELD
失效
具有结构强化CRYOSHIELD的超导基本磁场的磁共振装置
- 专利标题: MAGNETIC RESONANCE APPARATUS HAVING A SUPERCONDUCTING BASIC FIELD MAGNET WITH A STRUCTURALLY REINFORCED CRYOSHIELD
- 专利标题(中): 具有结构强化CRYOSHIELD的超导基本磁场的磁共振装置
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申请号: US12034757申请日: 2008-02-21
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公开(公告)号: US20080197850A1公开(公告)日: 2008-08-21
- 发明人: Peter Dietz , Andreas Krug , Mark James Le Feuvre , Annette Lohfink , Thorsten Speckner
- 申请人: Peter Dietz , Andreas Krug , Mark James Le Feuvre , Annette Lohfink , Thorsten Speckner
- 优先权: DE102007008513.5 20070221
- 主分类号: G01R33/3815
- IPC分类号: G01R33/3815
摘要:
In an arrangement of a basic field magnet and a gradient coil of a magnetic resonance apparatus, the basic field magnet includes superconducting coils that are arranged in a reservoir with liquid helium for cooling. The helium reservoir is surrounded by a further reservoir, designated as an outer vacuum chamber. A vacuum exists between the outer vacuum chamber and the helium reservoir. A cryoshield is arranged between the outer vacuum chamber and the helium reservoir. The gradient coil is arranged in the inner chamber of the basic field magnet. The cryoshield has additional structure for reinforcement that counteract vibrations of the cryoshield.
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