| 摘要 |
<p>An entry position grid for aiding a user in locating the approximate entry points of a plurality of cryoprobes into a patient, wherein the cryoprobes are inserted into the perineal area of the patient and then into the prostate, the entry position grid including a frame portion having a center longitudinal axis, a grid portion extending across the frame portion, the grid portion defining a plurality of evenly spaced discrete openings, identifying indicia located on the frame that identifies each discrete opening, each discrete opening being adapted to allow the user to position the cryoprobes through the entry position grid and into the patient at an angle that is not parallel to the center axis.</p> |
