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Table 2 Tip/shaft signal ratios and maximum heating

From: MRI active guidewire with an embedded temperature probe and providing a distinct tip signal to enhance clinical safety

Solenoid length Solenoid diameter
  0.61 mm 0.71 mm 0.81 mm
1 cm    
Tip/shaft signal ratio 0.27 0.33 0.55
Maximum heating (°C) 0.27 0.26 1
2.5 cm    
Tip/shaft signal ratio 0.53 0.74 0.69
Maximum heating (°C) 0.55 0.59 0.25
5 cm    
Tip/shaft signal ratio 0.38 0.4 0.65
Maximum heating (°C) 0.15 0.16 0.22
  1. Maximum tip to shaft signal intensity ratio and maximum heating are depicted among all soldering configurations. The heating values are normalized to the highest values achieved with the 1 cm, 0.81 mm design.