JP2005205193A5

JP2005205193A5 -

Info

Publication number: JP2005205193A5
Application number: JP2004355908A
Authority: JP
Filing date: 2004-12-08
Publication date: 2008-01-31
Anticipated expiration: 2024-12-08

Claims

In an image quality management system having a terminal connected to a medical image diagnostic apparatus, and a service center system that transmits a maintenance report of the medical image diagnostic apparatus to the terminal via a network,
The terminal
First receiving means for receiving a report transmitted from the second transmitting means of the service center system;
A first transmission unit configured to transmit an image captured by the medical image diagnostic apparatus or an image quality parameter related to the image through the network;
The service center system includes:
Second receiving means for receiving an image or image quality parameter transmitted by the first transmitting means of the terminal;
An image quality parameter database for storing image quality parameters in the medical image diagnostic apparatus from the image or image quality parameters received by the second receiving means;
Determining means for determining whether or not the image quality parameter stored in the image quality parameter database is included within a predetermined reference value;
A report creation means for creating a report including the determination result of the image quality parameter by the determination means;
Second transmitting means for transmitting a report including the determination result of the image quality parameter created by the report creating means to the first receiving means of the terminal via the network;
An image quality management system comprising:

In an image quality management system having a service center system for transmitting a maintenance report of the medical image diagnostic apparatus via a network to a terminal connected to the medical image diagnostic apparatus,
The service center system includes:
Second receiving means for receiving an image taken by the medical image diagnostic apparatus or an image quality parameter relating to the image, transmitted via the network by a first transmitting means provided in the terminal;
An image quality parameter database for storing image quality parameters in the medical image diagnostic apparatus from the image or image quality parameters received by the second receiving means;
Determining means for determining whether or not the image quality parameter stored in the image quality parameter database is included within a predetermined reference value;
A report creation means for creating a report including the determination result of the image quality parameter by the determination means;
Second transmission means for transmitting a report including the determination result of the image quality parameter created by the report creation means to the first reception means included in the terminal via the network;
An image quality management system comprising:

The quality parameter is resolution, quality management system according to claim 1 or 2 wherein, characterized in that it comprises a contrast value, a linear value.

The medical image diagnostic apparatus is an X-ray CT apparatus,
It said reporting means, as the image quality parameter information, CT value linearity in the desired phantom, low contrast, spatial resolution (MTF), noise, to claim 1, characterized in that to create slice width, a report on uniformity 4. The image quality management system according to any one of items 3 .

The service center system further includes an environment information database that collects and stores environment information in which the medical image diagnostic apparatus is installed via the network,
It said reporting means, the determination result of the image quality parameters, and quality control system according to any one of claims 1 to 4, characterized in that to create a report containing the environmental information.

The service center system further includes an apparatus operation information database that collects and stores operation information of the medical image diagnostic apparatus via the network,
The said report preparation means produces the report containing the information relevant to the determination result of the said image quality parameter, and the calibration of the said medical image diagnostic apparatus, The one of Claim 1 thru | or 5 characterized by the above-mentioned. Image quality management system.

The service center system further includes an apparatus operation information database that collects and stores operation information of the medical image diagnostic apparatus via the network,
The report generation means includes the latest calibration and imaging stored in the apparatus operation information database together with information on CT value linearity, low contrast, spatial resolution (MTF), noise, slice width, and uniformity in a desired phantom. 5. The image quality management system according to claim 4 , wherein information relating to room temperature / humidity and tube usage is created as the report.

The information related to the recent calibration is an execution date and time when a combination of tube voltage, tube current, scan time, and FOV to the X-ray tube is collected, and the tube usage information includes the exposure time of the X-ray tube, rotation 8. The image quality management system according to claim 7 , wherein the image quality management system is information relating to a count.

The image quality management system according to any one of claims 1 to 8, wherein the report creation unit displays the latest information and past information in a comparative manner so that a change with time of the image quality parameter can be recognized. .

The determination means, when it is determined that the image quality parameter is out of a reference value, by determining normal / abnormal of at least one of the environment information and calibration information of the shooting room stored in the apparatus operation information database, The image quality management system according to any one of claims 1 to 9, wherein the cause of the determination that the image quality parameter is out of a reference value is caused by an environment of a photographing room or a component failure. .

The quality parameters, quality management system according to any one of claims 1 to 10, characterized in that a quality parameter upon shooting phantom in the medical image diagnostic apparatus.

If the image quality parameter is determined to be outside the reference value by the determination unit, the second transmission unit transmits a message to that effect to at least one of the terminal, the medical image diagnostic apparatus, and a terminal owned by a service engineer. The image quality management system according to claim 1, wherein:

When the image quality parameter is determined to be outside the reference value by the determination unit, based on the determination result, a failure analysis procedure of the medical image diagnostic apparatus, a part for repairing the failure, a repair procedure for repairing the failure The image quality management system according to any one of claims 1 to 12 , wherein at least one of the following is determined.