Computerised Medical Imaging and Graphicr, Vol. IS, pp. XI-XVI, 1989 08956111/89 $8.00 + .QQ Printed in the U.S.A. (c) 1989 Pergamon Presr plc. All right8 reserved.

NEW PATENTS

This Section contains abstracts and, where appropriate, illustrations of recently issued United States patents and published patent applications filed from over 30 countries under the Patent Cooperation Treaty. This information was obtained from recent additions to the Pergamon PATSEARCH@ online database in accordance with interest profiles developed by the Editors. Further information about Pergamon PATSEARCH@ can he obtained from Pergamon Orbit InfoLine Inc., 8000 Westpark Drive, McLean, Virginia 22102 U.S.A.

Copies of complete patents announced in this Section are available from Pergamon Orbit InfoLine Inc. for $8 per copy. Payment with order is required. Orders outside North America add $2 for air postage. Order by patent number for Pergamon Orbit InfoLine only.

4773425

ULTRASONIC IMAGING APPARATUS

Satoshi Saitou, Ootawara, Japan assigned to Kabushiki Kaisha Toshiba

An ultrasonic imaging apparatus includes a first display screen for displaying a standard size tomographic image derived from echo waves from an object to be examined, a region designating section for designating a desired re- gion of the tomographic image displayed on the first display screen, a zooming processor for con- verting a tomographic image signal correspon- ding to the region designated by the region designating section to an enlarged image signal, and a second display screen for displaying as an enlarged image the enlarged image signal sup- plied from the zooming processor.

4774411

GAMMA TOMOGRAPHY APPARATUS

Francis J Span, Eindhoven, Netherlands as- signed to U S Philips Corporation

In a gamma radiography apparatus a gamma scintillation camera 1 with a rectangular scintil- lation plate is suspended so as to be counter- balanced and rotatable about a horizontal axis 44 for a single photon emission tomography, FIG. lb. To enable a total body emission radiography scan to be carried out by the same apparatus, FIG. 2b, the head 1 must be turned through 90 degrees in plan view. This is effected in a compact manner by using an intermediate carrier formed by at least one olfthe arms 7 and 8,

pivoted about a first axis 9 relative to the carrier 12. The head 1 is pivoted in the arms 7,8, about a second axis 19 at 45 degrees to the first. A rota- tion of 180 degrees about both axes turns the camera field through 90 degrees.

4774448

COIL ARRANGEMENTS FOR NUCLEAR MAGNETIC

RESONANCE APPARATUS

Graeme M Bydder, London, United Kingdom assigned to Picker International Limited

A radio frequency coil arrangement for an NMR imaging apparatus comprising one or more coils (lOA, 10B) which are convexly shaped to facilitate close fitting of the arrangement round a body being imaged.

COIL MOUNTING FOR NMR DIAGNOSTIC APPARATUS

Kazuki Moritsu, Ako, Japan assigned to Mit- subishi Denki Kabushiki Kaisha

A mounting structure for the inclined magnetic field coils of an NMR imaging diagnostic ap- paratus, wherein the windings 9,9 . . . of the coils 3, 4, 5 are disposed in the magnetic field gene- rated by a main coil 2 and are wound around and held on a bobbin 6 via an interposed vibration- proofing material 13. In a second embodiment, the windings 9, 9 . . . and the bobbin 6 are in- tegrally molded with a damping material 15.

XI