Testing of dielectric properties of biological tissues in microwave range for solving matching problems.
Since the employment of microwave energy for defrosting biological tissues and for microwave-aided diagnosis in cryosurgery is very promising, the problem of ensuring the match between the contact antennas (applicators) and the frozen biological object has become a pressing one. It is for this reason that investigations were aimed at the study of the dielectric properties of the dog's muscular and fatty tissues in a temperature range of +20 to -30 degrees C including the phase transition of the samples to the solid state. The investigations were performed in a waveguide device using a short-circuit method. During the investigation possible error was estimated. The experiment provides for the reduction of the error caused by the waveguide linear expansion.
Poletaev
L I
LI
Makeev YuV
Mikhailov
V A
VA
D000273:Adipose Tissue / Q000502:physiology; D000818:Animals; D015925:Cryopreservation; D003452:Cryosurgery; D004285:Dogs; D004553:Electric Conductivity; D005069:Evaluation Studies as Topic; D008872:Microwaves / Q000627:therapeutic use; D009132:Muscles / Q000502:physiology; D013696:Temperature