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1. US5042487 - Examination unit including positionable patient chair, examination device and support system

Office
États-Unis d'Amérique
Numéro de la demande 07435562
Date de la demande 13.11.1989
Numéro de publication 5042487
Date de publication 27.08.1991
Numéro de délivrance 5042487
Date de délivrance 27.08.1991
Type de publication A
CIB
A61B 6/03
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
6Appareils pour diagnostic par radiations, p.ex. combinés avec un équipement de thérapie par radiations
02Dispositifs pour établir un diagnostic dans des plans différents successifs; Diagnostic stéréoscopique utilisant des radiations
03Tomographes assistés par ordinateur
A61B 6/04
ANÉCESSITÉS COURANTES DE LA VIE
61SCIENCES MÉDICALE OU VÉTÉRINAIRE; HYGIÈNE
BDIAGNOSTIC; CHIRURGIE; IDENTIFICATION
6Appareils pour diagnostic par radiations, p.ex. combinés avec un équipement de thérapie par radiations
04Mise en position des patients; Lits inclinables ou similaires
CPC
A61B 6/4447
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
44Constructional features of apparatus for radiation diagnosis
4429related to the mounting of source units and detector units
4435the source unit and the detector unit being coupled by a rigid structure
4447Tiltable gantries
A61B 6/0457
A61B 6/0478
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
6Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
04Positioning of patients; Tiltable beds or the like
0478Chairs
Déposants MARQUARDT MARK R
Inventeurs Marquardt Mark R.
Mandataires Hill, Van Santen, Steadman & Simpson
Titre
(EN) Examination unit including positionable patient chair, examination device and support system
Abrégé
(EN)

An apparatus and method is disclosed for medically examining a patient's spine using a non-invasive technique such as computerized tomography (CT). In this apparatus and method the patient is seated in a generally vertically-oriented chair which is tiltable in a forward and rearward direction, is pivotable relative to a vertical axis, is vertically movable and is stationary so as to adjustably induce gravitational effects on the patient's back. A pivotable chair back can be included for controllably applying additional loads or flexion to the patient's back. An annularly-shaped examination device, such as as CT device, is horitonzally positioned on a support frame over the patient who is aligned with a central opening in the device. The device can be positioned about the patient and oriented horizontally or angularly displaced relative to the horizontal for optimizing or adjusting the generated image. The examination device may be tiltable about a horizontal axis transverse to the direction of tilting of the chair. Appropriate mechanisms are provided for the previously-described adjustment.

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