SU1277953A1

SU1277953A1 - X-ray pneumatic printing set

Info

Publication number: SU1277953A1
Application number: SU853896020A
Authority: SU
Inventors: Иван Степанович Амосов; Николай Николаевич Блинов; Алексей Кузьмич Тимин; Виктор Ермолаевич Туран
Original assignee: Всесоюзный научно-исследовательский и испытательный институт медицинской техники
Priority date: 1985-05-20
Filing date: 1985-05-20
Publication date: 1986-12-23

Abstract

Изобретение относитс к рентгеновским диагностическим установкам с необходимым обеспечением идентичных условий облучени в цикле рентге- нопневмополиграфической съемки и позвол ет уменьшить дозу облучени путем автоматического выбора режима работы . Установка содержит излучатель 1, GI---: генератор 2, пульт 3 управлени , отключающую ступень 4, коммутатор 5, счетчик 6, блок 7 пам ти дозы, компаратор 8, детекторы 9 и II, измеритель 10 дозы, ограничитель 12 дозы, приемник 13. Пациент размещаетс между детекторами 9 и 11. При первом снимке сигнал об оптимальной дозе записываетс в блок 7 пам ти дозы и далее поступает на компаратор 8. При последующих снимках излучение отключаетс в тот момент, когда от измерител 10 дозы на компаратор поступает сигнал, равный сигналу от блока 7 пам ти дозы, т.е. когда на пациента попадает доза излучени така же, как при первом снимке, что позвол ет автоматизировать процесс выбора режима работы и создать оптимальные услови дл проведени рентгенопневмополигра- фического исследовани и снизить брак рентгенопневмополиграмм. 1 ил. // с S (Л N3 The invention relates to X-ray diagnostic equipment with the necessary provision of identical irradiation conditions in a cycle of X-ray pneumatic polygraphic imaging and allows to reduce the irradiation dose by automatically selecting the operating mode. The installation contains emitter 1, GI ---: generator 2, control panel 3, tripping stage 4, switch 5, counter 6, dose memory block 7, comparator 8, detectors 9 and II, dose meter 10, limiter 12 doses, receiver 13. The patient is placed between the detectors 9 and 11. At the first shot, the optimal dose signal is recorded in the dose memory block 7 and then sent to the comparator 8. In the subsequent pictures, the radiation is turned off at the moment when the comparator receives a signal from the dose meter 10 equal to the signal from dose memory block 7, i.e. when the patient receives a dose of radiation the same as in the first image, which allows to automate the process of choosing the mode of operation and create optimal conditions for conducting X-ray pneumopolygraphic research and reduce the scrap of X-ray pneumogram. 1 il. // with S (L N3

Description

Изобретение относитс к медицинской те и-1ике, а именно к рентгеновским диагностическим установкам, в которых необходимо обеспечить идентичность условий облучени пациента в цикле исследовани , в частности в цикле рентгенопневмополиграфической съемки, которьй состоит, как правило из двух-п ти снимков Снимки производ тс ,, например5 при глубоком вдохе и глубоком выдохе или глубоком вдохе, глубоком выдохе, спокойном вдохе и спокойном выдохе, Iiли при других вариантах дыхани . При этом на пленку снимаютс как фронтальные, так и боковые проекции пациента.The invention relates to medical technology and, in particular, to X-ray diagnostic equipment, in which it is necessary to ensure the identity of the patient's exposure conditions in the study cycle, in particular, in the cycle of X-ray pneumophographic imaging, which usually consists of two to five shots. , for example, 5 with a deep breath and a deep breath or a deep breath, a deep breath, a quiet breath and a quiet breath, or in other breathing options. In this case, both frontal and lateral projections of the patient are removed on the film.

предлагаемого изобретени вл етс уменьшение дозы облучени путем-автоматического выбора режима работы при проведении цикла рентгенопневмополиграфической съемки. The present invention is to reduce the radiation dose by the automatic selection of the mode of operation when conducting a cycle of X-ray neoprene printing.

На чертеже представлена функ:циа- нальна схема рентгенопневмополиграфической установки.The drawing shows the function: a digital diagram of the X-ray pneumopolygraphic unit.

Установка содерлдат рентгеновский излучатель 1 с генератором 2, входы которого соединены с пультом 3 управлени и отключающей ступенью 4, управл емый коммутатор 5, счетчик 6 снимка в цикле, управл емый блок 7 пам ти дозы, компаратор 8, первьй детектор 9 излучени с измерителем 10 дозы, второй детектор i1 излучени с ограничителем 12 дозы и приемник 13 рентгеновского излучени , причем вхо отключающей ступени 4 подключен к выходу управл емого коммутатора 5, нер вьм вход которого подключен к выходу компаратора 8, второй вход - к выход ограничител 12 дозы второго детектора 11, третий вход к выходу счетчика 6, второй вход компаратора 8 под- к.шочен к выходу блока 7 пам ти, соединенного первым входом с выходом измерител 10 дозы первого детектора 9, а. вторым входом - с выходом счетчш.а 6.The installation contains an x-ray emitter 1 with a generator 2, the inputs of which are connected to the control panel 3 and disconnecting stage 4, controlled switch 5, shot counter 6 in the cycle, controlled dose memory block 7, comparator 8, first radiation detector 9 with meter 10 a second radiation detector i1 with a dose limiter 12 and an X-ray receiver 13, the input of the shutdown stage 4 is connected to the output of the controlled switch 5, its input is connected to the output of the comparator 8, the second input to the output of the limiter 12 to By the second detector 11, the third input to the output of the counter 6, the second input of the comparator 8 is connected to the output of the memory block 7 connected to the output of the meter 10 of the first detector 9 by the first input, a. the second entrance - with the output of the counting 6.

Место установки пациента 14 лри исследовании находитс между детекторами 9 и 11,The installation site of the patient is 14 and the study is between detectors 9 and 11,

Установка работает следующим образом .The installation works as follows.

На пульте 3 управлени устанавливаетс напр жеьше и ток, выдаваемые генератором 2 на рентгеновский излучатель 1, а на счетчике б устанавливаетс количество снимков и цикле исследований данного пациента.On the remote control 3, the control sets the current supplied by generator 2 to the x-ray emitter 1, and the number of images and the cycle of studies of the patient are set on the counter b.

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При первом снимке цикла сигнал об оптимальной дозе рентгеновского излучени , попадавшего на приемник 13, вырабатьшаетс детектором 11 с ограничителем 12 дозы и поступает через управл емьй коммутатор 5 на отключающую рентгеновское излучение ступень 4. Детектор 9 с измерителем 0 дозы определ ет величину дозы, котора попала на пациента,и эта величина записываетс в блок 7 пам ти дозы. При завершении первого снимка счетчик 6 выдает сигнал на управл емый коммутатор 5 и на управл ющий блок 7 пам ти дозы, в результате чего коммутатор 5 подключает вход отключающейс ступени 4 к выходу компаратора 8, а блок 7 пам ти дозы переводитс в режим хранени информации, а данные о величине записанной дозы поступают на компаратор 8.In the first shot of the cycle, the signal about the optimal dose of X-ray radiation reaching the receiver 13 is generated by the detector 11 with the dose limiter 12 and fed through the control switch 5 to the x-off level 4. The detector 9 with the dose meter 0 determines the dose value per patient, and this value is recorded in dose memory unit 7. Upon completion of the first snapshot, the counter 6 outputs a signal to the controlled switch 5 and to the dose memory control unit 7, as a result of which the switch 5 connects the input of the shutdown stage 4 to the output of the comparator 8, and the dose memory unit 7 is switched to the information storage mode, and data on the amount of the recorded dose is sent to the comparator 8.

При втором (и каждом последующем) снимке рентгеновское излучение отключаетс в тот момент, когда от измерител 1 О дозы на компаратор 8 поступает сигнал, равный сигналу от блока У пам ти дозы, т.е. когда на пациента попадает доза излучени така же как при первом снимке.In the second (and each subsequent) snapshot, the X-rays are cut off at the moment when the 1 comparator 8 from the dose meter attains a signal equal to the signal from the block At the dose memory, i.e. when a radiation dose is applied to a patient the same as in the first shot.

При завершении последнего снимка схема переводитс в исходное состо ние .When the last snapshot is completed, the circuit is reset.

В случае установки на счетчике снимка в цикле величины цикла в один 5 снимок установка работает как обь1ч- ньш рентгеновский аппарат с автоматическим экспонометром.If a snapshot is installed on the counter in a cycle of the magnitude of the cycle in one 5 snapshot, the installation works as an entire X-ray machine with an automatic exposure meter.

В качестве рентгенопневмополигра- фического приемника в установке может быть использован Рентполиграф ВРП 2/4.The roentpolygraph GRP 2/4 can be used as an X-ray pneumopolygraphic receiver in the installation.

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Предлагаема установка позвол ет автоматизировать процесс- выбора режима работы и создать оптимальные услови дл проведени рентгенопневмо- полиграфического исследовани и при зтом значительно снизить брак рент- генопневмополиграмм.The proposed installation allows one to automate the process-mode selection and to create optimal conditions for carrying out X-ray pneumo-polygraphic research and, at the same time, to significantly reduce the scrap of X-ray pneumogram.

Автоматический выбор режима съемки позвол ет существенно уменьшить дозу облучени пациента.The automatic selection of the shooting mode allows the patient to significantly reduce the radiation dose.

Claims

The invention relates to medical technology and, in particular, to X-ray diagnostic equipment, in which it is necessary to ensure the identity of the patient's exposure conditions in the study cycle, in particular, in the cycle of X-ray pneumophographic imaging, which usually consists of two to five shots. , for example, 5 with a deep breath and a deep breath or a deep breath, a deep breath, a quiet breath and a quiet breath, or in other breathing options. In this case, both frontal and lateral projections of the patient are removed on the film. The present invention is to reduce the dose of radiation by automatically selecting the mode of operation when conducting a cycle of X-ray neoprene printing. The drawing shows the function: cyanal diagram of the X-ray pneumopolygraphic unit. The installation contained an x-ray emitter 1 with a generator 2, the inputs of which are connected to a control panel 3 and a shutdown stage 4, a controlled switch 5, a shot counter 6 of the cycle, a controlled dose memory block 7, a comparator 8, the first radiation vector 9 a dose meter 10, a second radiation detector i1 by a dose limiter 12 and an X-ray receiver 13, with the breaking stage 4 in connected to the controlled switch 5, not its input connected to the output of the comparator 8, the second input to the output of the second dose limiter 12 Detect of 11 pa, the third input to the output of the counter 6, comparator 8, a second input to the output under k.shochen memory unit 7 connected with the first input meter 10 output units of the first detector 9 as well. the second input is with the output of the counting device 6. The installation site of the patient is 14 and the study is located between detectors 9 and 11. The installation works as follows. On the remote control 3, the control is set on the basis of the current supplied by generator 2 to the X-ray emitter 1, and on the counter b the number of images and the cycle of studies of this patient are set. In the first shot of the cycle, the signal about the optimal dose of X-ray radiation reaching the receiver 13 is generated by the detector 11 with the dose limiter 12 and fed through the control switch 5 to the x-off level 4. The detector 9 with the dose meter 0 determines the dose value per patient, and this value is recorded in dose memory unit 7. Upon completion of the first snapshot, the counter 6 outputs a signal to the controlled switch 5 and to the dose memory control unit 7, as a result of which the switch 5 connects the input of the shutdown stage 4 to the output of the comparator 8, and the dose memory unit 7 is switched to the information storage mode, and the data on the amount of the recorded dose is sent to the comparator 8. In the second (and each subsequent) image, X-rays are switched off at the moment when a signal from the 1 O dose meter is sent to the comparator 8, which is equal to the signal from the D memory unit, i.e. . when a radiation dose is applied to a patient the same as in the first shot. When the last snapshot is completed, the circuit is reset. If a snapshot is installed on the counter in a cycle of the magnitude of the cycle in one snapshot, the installation works as an entire X-ray machine with an automatic exposure meter. The roentpolygraph GRP 2/4 can be used as an X-ray pneumophotographic receiver in the installation. The proposed installation allows one to automate the process-mode selection and to create optimal conditions for carrying out X-ray pneumopolygraphic research and, at the same time, to significantly reduce the scrap of X-ray pneumogram. The automatic selection of the shooting mode allows the patient to significantly reduce the radiation dose. The invention The X-ray pneumopolygraphic apparatus, comprising an X-ray emitter with a generator, remote control unit 12779534

the X-ray receiver is connected to the output of the controlled

first radiation detector of the switch, the first input of which is

with a dose meter, the second detector is connected to the comparator output, second radiation with a dose limiter, the second input is connected to the output of the limiter and the comparator, the second radiation detector, the alarm input of which is connected to the output input, is connected to the output of the image counter

the dose meter, which is different in the cycle, is the second input of the comparator, so that, in order to reduce it, it is connected to the output of the dose memory block,

doses of radiation entered into it by the admin-connected first entrance to the exit

a doseable memory block, a dose meter meter of the first detector,

a snapshot in a loop and controlled by a second input with a counter output

tator, and the entrance is turning off stu-snapshot in a cycle.