Tissue Mimicking Materials
 

ATS offers a choice between rubber-based or Hydrogel  (water)-based TM materials. The table below lists the features and  benefits of both materials.  

Features  
Hydrogel
TM Material  
Rubber-Base
TM Material  
Warranty  
One-year  
Lifetime  
Rate of Desiccation  
.00005 gm/day/sq. cm  
Not affected  
Speed of Sound at 1540 mps  
Yes  
No,  Targets are physically moved to compensate for the difference in the speed of sound.  
Estimated Usable life  
  2-3 years  
Greater than 7-10 years  
Accuracy over time  
Changes begin to occur as desiccation progresses.  
No change throughout the usable life has been noted to date.  
Exposure to temperatures above 49°C or below 0°C  
Phantom will be severely damaged or destroyed  
Allow the phantom time to reaches room temperature before using  
Accidental Dropping  
Damage is usually beyond repair, requiring replacement  
Repairable