Patent ID: 7144156

Claim:
An X-ray diagnosis apparatus comprising: an arc-shaped arm which includes an X-ray source and a detector, which face each other across an object to be detected on a top board; and a driving means which moves the detector toward the object to be detected to adjust a distance between the X-ray source and the detector, wherein the driving means includes a first frame including a pair of first rotation members provided in parallel to the object to be detected, a driving source for rotating one of the pair of first rotation members, and a first power delivering member which is stretched over the pair of first rotation members and rotates toward the object to be detected, and connected to an end of the arc-shaped arm therein to be protruded, a second frame for supporting the detector, and a third frame slidably provided between the first frame and the second frame, wherein the third frame is connected to the first power delivering member by a first connection member, and includes a pair of second rotation members provided in parallel to the object to be detected and a second power delivering member which is stretched over the pair of second rotation members and rotates toward the object to be detected, and wherein the second power delivering member is connected to the first frame by a second connection member and connected to the second frame by a third connection.