JPH01299534A - Ct scanner device - Google Patents

Abstract

PURPOSE:To prevent misregistration of individual identifying information on a CT picture and misdiagnosis by providing a replacement detecting means detecting the replacement of the subject and a means informing the operator of the replacement by an output of the replacement detecting means. CONSTITUTION:A patient gets off from a bed in a CT scanner device, when a replacement detecting circuit 11 detects the patient to be replaced with a next different patient, a perception circuit 12 receives a detection signal from the replacement detecting circuit 11, informing an operator of the patient replaced. A console 13, after the operator is informed of the replacement of the patient by the perception circuit 12, performs input operation for registering individual discriminative information of a patient or the like, for instance, patient name or the like in a CT picture displayed in a TV monitor 14. The TV monitor 14 scans the patient by exposure in X-rays, displaying an obtained CT picture. A computer 15 controls the console 13 and the TV monitor 14. As the result, the operator can prevent misregistration and misdiagnosis of the patient by enabling the individual discriminative information to be accurately registered in a picture corresponding to the patient by the console.

Description

[Detailed description of the invention] [Purpose of the invention] (Industrial application field) The present invention relates to a CT scanner device.

(Prior Art) Conventionally, in a CT scanner device, a radiation source and a detector are disposed opposite to each other with a patient in between, and radiation is emitted from the radiation source, thereby transmitting radiation to the patient from multiple directions. Photographic data is obtained and reconstructed to obtain a slice image, that is, 07 images. In addition, in the 07 image obtained by this CT scanner device, personal identification information of the subject, such as patient name, age, gender, code, etc.
Operator). That is, the patient's personal identification information is registered on the monitor screen of the CT scanner device by the operator operating the keyboard.

By the way, when a patient is replaced, the operator knows that the patient has been replaced by visually confirming that the patient has been replaced. The operator then registered the personal identification information of the replaced patient on the C7 screen by operating the keyboard.

(Problem to be solved by the invention) However, if the operator forgets the patient registration operation when the patient is replaced, the C7 of the new patient
The image ends up being filed as a C7 image of the previous patient. In other words, if a patient's personal identification information is incorrectly registered, the C7 image obtained by the CT scanner device will be treated as belonging to another patient, resulting in the problem that an incorrect diagnosis will be made due to the patient's mistake. there were.

Therefore, an object of the present invention is to be able to recognize that a patient has been replaced every time a patient is replaced, to be able to accurately register personal identification information on a CT image corresponding to a patient, and to be able to prevent erroneous registration and misdiagnosis. An object of the present invention is to provide a CT scanner device.

[Configuration of the Invention (Means for Solving the Problems) The present invention takes the following measures to solve the above problems. In other words, a radiation source and a detector are arranged opposite to each other with the subject in between, and by emitting radiation from the radiation source, imaging data based on transmitted radiation from multiple directions to the subject is obtained, and this is In a CT scanner device that is capable of performing reconstruction processing to obtain a slice image, and in which personal identification information of the subject can be registered using an operation console, the subject has been replaced. The present invention includes a replacement detection means for detecting the replacement of the subject, and a means for making the operator aware that the subject has been replaced based on the output of the replacement detection means.

(Effects) By taking such measures, the following effects are achieved. When a patient is replaced, the replacement detection means generates a detection signal for detecting the patient replacement. When this detection signal is input to the sensing means, the sensing means notifies the operator that the subject has been replaced. As a result, the operator can recognize that the patient has been replaced each time the patient is replaced, and the patient's personal identification information can be accurately registered in the image corresponding to the patient using the console. Misregistration and misdiagnosis due to misregistration can be prevented.

(Example) FIG. 1 is a diagram showing an embodiment of the present invention.

In FIG. 1, a CT scanner device 1 has a radiation source and a detector disposed opposite to each other with a patient in between, and performs imaging based on transmitted radiation to the patient from multiple directions by emitting radiation from the radiation source. It obtains data and reconstructs it to obtain slice images. This CT scanner device 1 is configured as follows. Replacement detection circuit 1
1, the patient gets off the bed of the CT scanner device 1,
This is to detect that the next patient has been transferred.

The sensing circuit 12 receives the detection signal from the change detection circuit 11 and allows the operator to perceive that the patient has been changed. After the operator senses the change of patient through the perceptual circuit 2, the operation console 12 operates the TV to be described later.
This is a manual operation for registering personal identification information of a patient, such as the patient's name, in the CT image displayed on the monitor 14. The TV monitor 14 scans the patient by exposing it to X-rays and displays the obtained C7 image. The computer 15 is connected to the operation console 13 and T
It controls the V monitor 14.

FIG. 2 is a diagram showing a specific example of the replacement detection circuit 11, and FIG. 3 is a timing diagram of the replacement detection circuit 11. In FIG. 2, a mud switch 21 detects whether or not a patient is on the top of the bed of the CT scanner device 1. As shown in FIG. 3, this mud switch 21 is turned ON (H level) when the patient is on the bed, and turned OFF (L level) when the patient is not on the bed, and outputs the mud switch signal s1. It is something. The inverting buffer 22 receives the mud switch signal sl, inverts the signal sl, and outputs an inverted signal S2 shown in FIG. 3. The local switch 23 is a switch that allows the patient to be moved up and down on the bed or the top board to be set to IN10UT by local operation. By operating this local switch 23 in a 0N10FF manner, a local switch signal s3 is outputted as shown in FIG. The flip-flop circuit 24 inputs the oral-cal switch signal S3 and the inverted signal s2, generates a signal corresponding to the patient change period B, that is, a change detection signal s4, and sends this change detection signal s4 to the perception circuit 12. This is what is output. This replacement detection signal s4 is set at the up edge of the inverted signal S2, and is reset at the down edge of the local switch signal s3. Furthermore, CT
The scan signal s5 is a signal that is scanned during a slightly shorter period than the period during which the mud switch 21 is ON and the local switch 23 is OFF.

The operation of the embodiment configured as described above will be explained.

First, before time t1, the patient is scanned with X-rays,
It is assumed that both CT images are being displayed on the TV monitor 14. When the local switch 23 is turned on at time t1, the top plate is turned OUT and lowered. When the patient gets off the bed at time t2, the mud switch 21 is turned off. Then, the mud switch signal s1 is inverted by the inverting buffer 22, and the inverted signal S2 is sent to the flip-flop circuit 2.
4 is input. Furthermore, when the local switch 23 is turned on, the local switch signal S3 is also input to the flip-flop circuit 24. Then, the inverted signal S2 is set at the up edge by the flip-flop circuit 24, and a replacement detection signal S4 of "H" level is generated.

Next, when another patient gets on the bed at time t3, the mud switch 21 is turned on, and then the local switch 23
The top plate is raised and turned IN. Then, when the local switch 23 turns OFF at time t4, the flip-flop circuit 24 resets the local switch signal S3 at the down edge at time t4 and goes "L".
A level replacement detection signal s4 is generated. In this way, a replacement detection signal s4 corresponding to the patient replacement period B is generated as shown in FIG.
2 is output. The sensing circuit 12 receives the change detection signal s4 and notifies the operator that the patient has been changed. Then, the operator recognizes that the patient has been replaced, and uses the console 13 to register the patient's personal identification information in the CT image. Furthermore, the personal identification information is input and controlled by the computer 15 and displayed on the TV monitor 14.

As described above, according to this embodiment, when a patient is replaced,
The replacement detection circuit II generates a replacement detection signal S4 that detects that the patient has been replaced. When this detection signal S4 is input to the perceptual circuit 12, the perceptual circuit 12 notifies the operator that the patient has been replaced. As a result, each time a patient is changed, the operator can always be alerted to the fact that the patient has been changed. Therefore, when registering a patient, the operator can accurately register personal identification information of the patient, etc. in the image corresponding to the patient using the operation console 13, and prevents erroneous patient registration and misdiagnosis due to erroneous registration. be able to.

It should be noted that the present invention is not limited to the above-described embodiments, and it goes without saying that various modifications can be made without departing from the spirit of the invention.

[Effects of the Invention] According to the present invention, when a patient is replaced, the replacement detection means generates a detection signal for detecting the patient replacement, and when this detection signal is input to the sensing means, the sensing means Notify the operator that the subject has been replaced. As a result, the operator can recognize that the patient has been replaced each time the patient is replaced, and can accurately register the personal identification information of the patient, etc. in the image corresponding to the patient using the console.
Misregistration of patients and misdiagnosis due to misregistration can be prevented.

[Brief explanation of the drawing]

FIGS. 1 to 3 are diagrams showing an embodiment of the present invention, in which FIG. 1 is a block diagram showing a CT scanner device, FIG. 2 is a diagram showing details of a replacement detection circuit, and FIG. 3 is a diagram showing details of a replacement detection circuit. FIG. 3 is a timing diagram of the circuit. ■...CT scanner device, 11...Replacement detection circuit,
11...Perception circuit, 13...Operation console, 14...T
V monitor, 15... Computer, 2]... Mad switch, 22... Inverting buffer, 23... Local switch, 24... Flip-flop circuit, sl
... Mad switch signal, S2 ... Inverted signal, S3
...Local switch signal, S4... Replacement detection signal. Applicant's agent Patent attorney Takehiko Suzue Figures 1 and 2

Claims (1)

[Claims] A radiation source and a detector are arranged opposite to each other with the subject in between, and by emitting radiation from the radiation source, imaging data based on transmitted radiation from multiple directions to the subject is obtained and this is replayed. In a CT scanner device that can perform configuration processing to obtain slice images and that can register personal identification information of the patient using an operation console, detecting that the patient has been replaced. 1. A CT scanner apparatus comprising: an exchange detection means for detecting an exchange; and means for making an operator perceive that the subject has been exchanged based on an output of the exchange detection means.