Patent ID: 6763588
Filing Date: 2004-07-20
Classification: A61N,G21K,Y10T

Abstract:
A method of providing at least one long and narrow through hole in a collimator body made of a high-density material, the body being made from a plurality of partial bodies that are arranged relative to each other to form the body, each partial body being defined by an outer surface of the partial body which is part of an outer surface of the body, an inner surface of the partial body which is part of an inner surface of the body, and a pair of boundary surfaces that extend from the outer surface of the partial body to the inner surface of the partial body, comprising:for at least a first hole of the at least one hole, machining a groove in a first boundary surface of a first partial body, the groove extending from the outer surface of the first partial body to the inner surface of the first partial body along the first boundary surface; and fixedly attaching a first boundary surface of a second partial body to the first boundary surface of first partial body such that the first hole is at least partially defined by the groove.