GE MRI Coldhead, Sumitomo 4K Model RDK-408A2 – 2218465-3
The GE MRI Coldhead (P/N: 2218465-3) is a Sumitomo RDK-408A2 coldhead, a critical component of the MRI’s cryogenic system that re-condenses helium gas to maintain the superconducting magnet’s temperature.
Product Description: The GE MRI Coldhead, Sumitomo 4K Model RDK-408A2 (P/N: 2218465-3), is an essential part of the MRI system’s cooling mechanism. Superconducting magnets, which are necessary for creating the powerful magnetic field, must be kept at extremely low temperatures. This is achieved using liquid helium, which can evaporate over time. The coldhead’s function is to re-condense this gaseous helium back into a liquid state, preventing it from boiling off completely. This process is vital for the long-term functionality and stability of the MRI magnet. The RDK-408A2 model is a second-generation coldhead known for its improved heat capacity and is compatible with various GE MRI systems, including the Signa HDxt 1.5T. Replacing a failing coldhead is a critical maintenance task to avoid a magnet quench, which can be a costly and time-consuming event.
Key Features:
- Part Number: 2218465-3
- Manufacturer: GE HealthCare / Sumitomo
- Function: Re-condenses helium gas to maintain magnet temperature
- Compatibility: GE MRI systems with superconducting magnets (e.g., Signa HDxt 1.5T)
- Condition: New, refurbished, or used
Technical Specifications:
- Brand: GE HealthCare
- Part Number: 2218465-3
- Device Type: Coldhead / Cryocooler
- Model: Sumitomo RDK-408A2
- Application: MRI cryogenic cooling system
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