"It has been hyped by the instrument makers, " says Johns Hopkins University urologist Patrick Walsh, renowned for inventing a nerve-sparing prostatectomy procedure that preserves sexual function.

FORBES: Men, Cancer & Hope

Until recently the best chance to avoid post-op impotence was so-called nerve-sparing surgery, a procedure pioneered in 1982 by Patrick Walsh, director of the Brady Urological Institute at Johns Hopkins Hospital.

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Back then, they were destroyed on home soil by a West Indies pace quartet of Malcolm Marshall, Courtney Walsh, Curtly Ambrose and Patrick Patterson.

BBC: India storm to victory over Australia to win series 2-0