Imaging fault contrast device

A technology of tomography, equipment, applied in the direction of computerized tomography scanner, diagnosis, echo tomography, etc.

Inactive Publication Date: 2005-08-03
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Implementation of methods known from the prior art usually requires professionally trained personnel
Furthermore, several known methods are not suitable for balancing the measuring device of the tomography system

Method used

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  • Imaging fault contrast device
  • Imaging fault contrast device
  • Imaging fault contrast device

Examples

Experimental program
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Embodiment Construction

[0024] figure 1 A side view of a tomography system with a fastening unit 1 is schematically shown. An annular measuring device 3 and a support are arranged on the fixed unit 1 so as to be rotatable around a rotation axis 2 perpendicular to the paper surface. The direction of rotation of the measuring device 3 is marked with an arrow. An x-ray source 4 and an x-ray detector 5 with a downstream evaluation circuit 6 are mounted opposite to the measuring device 3 . The radiation fan 7 emitted by the x-ray source 4 during rotation of the measuring device 3 defines a circular measuring field 8 . The measuring field 8 is located in a patient tunnel 9 shown with dashed lines. In particular, the evaluation circuit 6 is connected via a contact ring connector 10 shown schematically here to a computer 11 which has a monitor 12 for displaying data. First sensors 13 for measuring vibrations transmitted to the fastening unit 1 are arranged on the fastening unit 1 , of which only one sens...

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PUM

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Abstract

An imaging tomography apparatus, in particular an x-ray tomography apparatus or an ultrasound tomography apparatus, has a stationary unit with a sensor for measurement of an out-of-balance condition of an annular data acquisition device rotatable around a patient opening in the stationary device. Compensation weights for compensation of the out-of-balance condition are provided on the data acquisition device. To simplify the balancing procedure, the compensation weights are disposed in two parallel planes axially separated from one another, and in each plane at least three compensation weights are fashioned as chambers that can be filled with a fluid. At least two of the chambers are connected with one another via at least one conduit for fluid transfer therebetween exchange.

Description

technical field [0001] The invention relates to an imaging tomography apparatus having a stationary unit with measuring means for measuring unbalances, on which is mounted a ring-shaped measuring device that can be rotated around a patient tunnel, wherein in the measuring device A counterweight is provided to compensate for the imbalance. Background technique [0002] Such an X-ray computed tomography system is known from DE-OS 10108065 A1. Wherein, in a fixed space, a measuring device and a bracket that can be rotatably arranged around a horizontal rotation axis are placed. A sensor for detecting the unbalance of the measuring device is arranged on the fixed space. The sensor is connected to a device for calculating the position of the rotatable measuring device at which the counterweight for balancing the imbalance is to be placed. Balancing can be achieved without special balancing equipment. However, in order to perform this balancing process, and in particular to pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/00A61B6/03G01M1/36
CPCG01M1/365A61B6/447A61B6/586A61B6/035
Inventor 冈特·丹兹汉斯-于尔根·米勒
Owner SIEMENS AG
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