Table 1.
Phantom Temperature (heat load) | ||||||
---|---|---|---|---|---|---|
Number of Cryoprobe |
Cryoprobe Diameter (mm) |
Average Diameter (cm) | Diameter %Lethal |
Non-Lethal | Surface Area | |
Iceball | Lethal Zone |
Margin (cm) | %Lethal | |||
Low (6°C) | ||||||
1 | 1.7 | 4.4 | 2.3 | 52% | 1.1 | 27% |
2.4 | 4.4 | 1.3 | 30% | 1.6 | 9% | |
2 | 1.7 | 5.4 | 3.1 | 58% | 1.1 | 33% |
2.4 | 5.8 | 3.8 | 66% | 1.0 | 43% | |
3 | 1.7 | 6.5 | 3.9 | 61% | 1.3 | 37% |
2.4 | 6.9 | 4.6 | 66% | 1.2 | 44% | |
4 | 1.7 | 6.9 | 4.6 | 67% | 1.1 | 45% |
2.4 | 7.5 | 6.5 | 87% | 0.5 | 76% | |
Medium (24°C) | ||||||
1 | 1.7 | 3.9 | 1.9 | 48% | 1.0 | 23% |
2.4 | 4.0 | 1.9 | 48% | 1.1 | 23% | |
2 | 1.7 | 4.5 | 2.4 | 54% | 1.0 | 24% |
2.4 | 5.1 | 3.2 | 62% | 1.0 | 38% | |
3 | 1.7 | 6.3 | 4.0 | 64% | 1.1 | 41% |
2.4 | 6.1 | 3.4 | 56% | 1.3 | 31% | |
4 | 1.7 | 6.3 | 4.4 | 69% | 1.0 | 48% |
2.4 | 6.8 | 5.0 | 74% | 0.9 | 55% | |
High (39°C) | ||||||
1 | 1.7 | 3.1 | 1.1 | 35% | 1.0 | 12% |
2.4 | 3.4 | 1.2 | 36% | 1.1 | 13% | |
2 | 1.7 | 4.6 | 2.4 | 52% | 1.1 | 25% |
2.4 | 4.8 | 3.3 | 69% | 0.7 | 46% | |
3 | 1.7 | 5.4 | 3.6 | 66% | 0.9 | 44% |
2.4 | 5.7 | 4.1 | 72% | 0.8 | 51% | |
4 | 1.7 | 6.1 | 4.4 | 72% | 0.9 | 52% |
2.4 | 6.6 | 4.9 | 75% | 0.8 | 56% |