Combined positron emission tomography / magnetic resonance imaging apparatus

US8108027B2 · kind B2 · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Ludwig Kreischer · Dormitz, DE
• Jürgen Nistler · Erlangen, DE
• Martin Rausch · Gmunden, AT
• Wolfgang Renz · Erlangen, DE
• Norbert Rietsch · Dormitz, DE

Key dates

• Filing date: Jun 23, 2008
• Grant date: Jan 31, 2012
• Expiry date: Aug 8, 2030

Classification

• Technology area (CPC G): Physics
• CPC primary: G01R33/56509
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A combined positron emission tomography/magnetic resonance imaging apparatus including a positron emission tomography apparatus having at least one radiation detector, and a magnetic resonance imaging apparatus having at least one gradient coil and a radio-frequency antenna device. At least one embodiment of the combined position emission tomography/magnetic resonance imaging apparatus is developed further in that a first molding is provided, whose surface coincides with the inner shell of the at least one gradient coil, and a second molding is provided, whose surface coincides with the outer shell of the radiation detector, the distance between the two shells being virtually constant over the circumference of the shells, and a vacuum seal being arranged in each case along at least a first and a second circumferential line such that a closed cavity is formed between the vacuum seals.