CN104220132A - Respiration tracking apparatus and radiation therapy system - Google Patents

Respiration tracking apparatus and radiation therapy system Download PDF

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Publication number
CN104220132A
CN104220132A CN201380004410.7A CN201380004410A CN104220132A CN 104220132 A CN104220132 A CN 104220132A CN 201380004410 A CN201380004410 A CN 201380004410A CN 104220132 A CN104220132 A CN 104220132A
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China
Prior art keywords
module
patient
frequency
breathing
knub position
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CN201380004410.7A
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CN104220132B (en
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吴中华
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Shenzhen Our New Medical Technologies Development Co Ltd
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Shenzhen Our New Medical Technologies Development Co Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048Monitoring, verifying, controlling systems and methods
    • A61N5/1049Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/103Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/113Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/02Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03Computerised tomographs
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/10X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048Monitoring, verifying, controlling systems and methods
    • A61N5/1064Monitoring, verifying, controlling systems and methods for adjusting radiation treatment in response to monitoring
    • A61N5/1069Target adjustment, e.g. moving the patient support
    • A61N5/107Target adjustment, e.g. moving the patient support in real time, i.e. during treatment

Abstract

A respiration tracking apparatus (100) and a radiation therapy system, related to the field of radiation therapy. The respiration tracking apparatus (100) comprises: a respiration control module (110) that is connected to an analysis and comparison module (120) and is used for controlling an outputted respiratory flow and respiratory frequency, and for transmitting time trajectory coordinate values of a positional movement of a tumor and respiratory waveform and frequency of a patient to the analysis and comparison module (120); the analysis and comparison module (120) that is connected to a therapy control module (130), compares the respiratory waveform and frequency of the patient with respiratory waveform and frequency collected during planning and design, and, when the difference is less than or equal to a predetermined value, instructs the therapy control module (130) to control, on the basis of the time trajectory coordinate values of the positional movement of the tumor, a therapy apparatus (200) to conduct a therapy; and, the therapy control module (130) that controls, on the basis of the instruction of the analysis and comparison module (120), the therapy apparatus (200) to conduct the therapy. The respiration tracking apparatus (100) and the radiation therapy system are capable of tracking precisely and treating a tumor that moves in position due to respiration.

Description

Respiration tracking apparatus and radiation therapy system
One kind breathing tracks of device and radiotherapy system
Technical field
The invention belongs to the precise radiotherapy field in medical field, more particularly to a kind of breathing tracks of device and radiotherapy system.Background technology
Precise radiotherapy be based on high-definition image detection means being accurately positioned, put the three dimensional treatment technology of the integration such as position, irradiation.Precise radiotherapy can reduce target area normal surrounding tissue complication probability, improve tumor area exposure dose, increase tumor control rate.But human tumor, particularly thorax and abdomen malignant can be moved with the respiratory movement of human body, and irradiation field is geo-stationary, this has significant difference when resulting in the exposure dosage of target area and its important normal structure of surrounding with plan, and the accuracy of radiotherapy in the treatment is affected.So, in the precise radiotherapy for doing tumour, particularly thorax and abdomen malignant, it is necessary using breathing tracks of device to reduce respirometric harmful effect.
Existing breathing tracks of device, usually using fixed signal body outside human body, gathers the characteristics of motion of signage to judge the breathing situation of lung by high-speed camera;Or judge the breathing situation of lung by installing cluster telescopic band in human chest to gather human chest fluctuating situation.Patient is required when doing the collection of breathing situation in air-breathing end or end-tidal collection breathing situation, to do treatment plan.To analyze, whether patient reaches end-tidal to the signal or the signal of cluster telescopic band collection gathered in treatment according to high-speed camera or air-breathing is last, only patient end-tidal or air-breathing end it is relatively steady when, therapeutic equipment just starts treatment, when patient starts again at air-breathing or expiration, equipment stops treatment, so as to realize breathing tracking.But such breathing tracks of device is discontinuity, the characteristic for not possessing real-time tracking, it is impossible to which accurate tracking treatment carrys out the tumour of position movement due to breathing zone.The content of the invention It is an object of the invention to provide one kind breathing tracks of device and radiotherapy system, it is intended to which treatment can not accurately be tracked due to the problem of breathing zone carrys out the tumour of position movement by solving prior art.
The present invention is achieved in that a kind of breathing tracks of device, including control of breathing module, analyses and comparison module and treatment control module, wherein:The control of breathing module, is connected to the analyses and comparison module, respiratory flow and respiratory rate for controlling output, and time locus coordinate value and patient respiration waveform and frequency that knub position is moved are sent to the analyses and comparison module;The analyses and comparison module, it is connected to the control of breathing module and the treatment control module, receive the time locus coordinate value and the patient respiration waveform and frequency for the knub position movement that the control of breathing module is sent, the respiratory waveform and frequency gathered when the patient respiration waveform and frequency are designed with plan compares, when the respiratory waveform and the difference of frequency gathered when the patient respiration waveform and frequency are designed with the plan is less than or equal to preset value, indicate that the treatment control module is treated according to the time locus coordinate value control therapeutic system that the knub position is moved;And the treatment control module, the analyses and comparison module is connected to, according to the instruction of the analyses and comparison module, is treated according to the time locus coordinate value control therapeutic system that the knub position is moved.
Preferably, when the respiratory waveform and the difference of frequency gathered when the patient respiration waveform and frequency are designed with the plan is more than preset value, the analyses and comparison module indicates that the treatment control module stops treatment.
Preferably, the control of breathing module further comprises breathing supply logging modle, image scanning module and knub position computing module, wherein:The breathing supply and logging modle, it is connected to the knub position computing module, oxygen is supplied to patient according to default respiratory flow and respiratory rate, the respiratory waveform and frequency of the patient is recorded, and the patient respiration waveform and frequency are sent to the knub position computing module;And the image scanning module, the knub position computing module is connected to, in the case where patient steadily breathes, image scan is carried out to patient, and the patient's dynamic image scanned is sent to the knub position computing module.
Preferably, the knub position computing module, it is connected to the breathing supply logging modle and the image scanning module, receive patient's dynamic image that the patient respiration waveform and frequency and the image scanning module that the breathing supply and logging modle send are sent, according to patient's dynamic image and The patient respiration waveform and frequency, the time locus coordinate value of knub position movement of the patient in the case of this respiratory waveform and frequency is calculated, and time locus coordinate value and the patient respiration waveform and frequency that the knub position is moved are sent to the analyses and comparison module.
Preferably, the image scan scope for image scan being carried out to patient is at least one complete respiratory rate cycle.
Preferably, the image scanning module is Dynamic CT.
Another object of the present invention is to provide a kind of radiotherapy system, including above-described breathing tracks of device.
Preferably, the instruction of the treatment control module of the therapeutic system in the breathing tracks of device is treated to patient.
Breathing tracks of device and radiotherapy system that the present invention is provided, can accurately track treatment because breathing zone carrys out the tumour of position movement.Brief description of the drawings is in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, cylinder will be made to the required accompanying drawing used in embodiment or description of the prior art below singly to introduce, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart for the breathing tracks of device that one embodiment of the invention is provided;
Fig. 2 is the structured flowchart for the radiotherapy system that one embodiment of the invention is provided.Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples, the present invention will be described in further detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
Fig. 1 is referred to, Fig. 1 is the structured flowchart for the breathing tracks of device that one embodiment of the invention is provided.Such as Shown in Fig. 1, breathing tracks of device 100 includes:Control of breathing module 110, analyses and comparison module 120 and treatment control module 130.
Control of breathing module 110, is connected to analyses and comparison module 120, respiratory flow and respiratory rate for controlling its output, and time locus coordinate value and patient respiration waveform and frequency that patient's knub position is moved are sent to analyses and comparison module 120.Control of breathing module 110 further comprises:Breathing supply logging modle 111, image scanning module 113 and knub position computing module 115.
Breathing supply and logging modle 111, it is connected to knub position computing module 115, oxygen is supplied to patient according to default respiratory flow and respiratory rate, the respiratory waveform and frequency of patient are recorded, and the patient respiration waveform and frequency that are recorded are sent to knub position computing module 115.
Image scanning module 113, it is connected to knub position computing module 115, in the case where patient steadily breathes, image scan is carried out to patient, and the patient's dynamic image scanned is sent to knub position computing module 115, wherein, image scan scope is at least one complete respiratory rate cycle, the complete respiratory rate cycle refers to a complete expiration plus breathing process, and image scanning module 113 can be Dynamic CT.
Knub position computing module 115, it is connected to breathing supply logging modle 111 and image scanning module 113, receive patient respiration waveform and frequency and patient's dynamic image of the transmission of image scanning module 113 that breathing supply and logging modle 111 are sent, according to patient's dynamic image and patient respiration waveform and frequency, patient's time locus coordinate value that knub position is moved in the case of this respiratory waveform and frequency is calculated, and this time trajectory coordinates value and patient respiration waveform and frequency are sent to analyses and comparison module 120.
Analyses and comparison module 120, it is connected to knub position computing module 115 and treatment control module 130, receive the time locus coordinate value and patient respiration waveform and frequency for the knub position movement that knub position computing module 115 is sent, the respiratory waveform and frequency gathered when patient respiration waveform and frequency are designed with plan compares, when the respiratory waveform and the difference of frequency gathered when patient respiration waveform and frequency are designed with plan is less than or equal to preset value, analyses and comparison module 120 indicates that treatment control module 130 is treated according to the time locus coordinate value control therapeutic system that knub position is moved.When the respiratory waveform and the difference of frequency gathered when patient respiration waveform and frequency are designed with plan is more than preset value, analyses and comparison module 120 indicates that treatment control module 130 stops treatment, patient respiration situation to be adjusted, after making its breathing stable, is further continued for treatment. Control module 130 is treated, analyses and comparison module 120 is connected to, according to the instruction of analyses and comparison module 120, is treated according to the time locus coordinate value control therapeutic system that knub position is moved.
That is, during whole treatment, the respiratory waveform and frequency that analyses and comparison module 120 is gathered when incessantly designing the patient respiration waveform collected and frequency with plan compare, if beyond preset value(That is, error permissible value)By stopped treatment.
Fig. 2 is the structured flowchart for the radiotherapy system that one embodiment of the invention is provided.As shown in Fig. 2 radiotherapy system includes breathing tracks of device 100 and therapeutic system 200, therapeutic system 200 is treated according to the instruction for the treatment of control module 130 in breathing tracks of device 100 to patient.
Breathing tracks of device provided by the present invention and radiotherapy system, can accurately track treatment because breathing zone carrys out the tumour of position movement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., should be included in the scope of the protection.

Claims (8)

  1. Claims
    1st, a kind of breathing tracks of device, it is characterised in that including control of breathing module, analyses and comparison module and treatment control module, wherein:
    The control of breathing module, is connected to the analyses and comparison module, respiratory flow and respiratory rate for controlling output, and time locus coordinate value and patient respiration waveform and frequency that knub position is moved are sent to the analyses and comparison module;
    The analyses and comparison module, it is connected to the control of breathing module and the treatment control module, receive the time locus coordinate value and the patient respiration waveform and frequency for the knub position movement that the control of breathing module is sent, the respiratory waveform and frequency gathered when the patient respiration waveform and frequency are designed with plan compares, when the respiratory waveform and the difference of frequency gathered when the patient respiration waveform and frequency are designed with the plan is less than or equal to preset value, indicate that the treatment control module is treated according to the time locus coordinate value control therapeutic system that the knub position is moved;And
    The treatment control module, is connected to the analyses and comparison module, according to the instruction of the analyses and comparison module, is treated according to the time locus coordinate value control therapeutic system that the knub position is moved.
    2nd, tracks of device is breathed as claimed in claim 1, it is characterised in that:
    When the respiratory waveform and the difference of frequency gathered when the patient respiration waveform and frequency are designed with the plan is more than preset value, the analyses and comparison module indicates that the treatment control module stops treatment.
    3rd, tracks of device is breathed as claimed in claim 1, it is characterised in that the control of breathing module further comprises breathing supply logging modle, image scanning module and knub position computing module, wherein:The breathing supply and logging modle, it is connected to the knub position computing module, oxygen is supplied to patient according to default respiratory flow and respiratory rate, the respiratory waveform and frequency of the patient is recorded, and the patient respiration waveform and frequency are sent to the knub position computing module;And
    The image scanning module, is connected to the knub position computing module, in the case where patient steadily breathes, and carries out image scan to patient, and the patient's dynamic image scanned is sent into the knub position computing module.
    4th, tracks of device is breathed as claimed in claim 3, it is characterised in that: The knub position computing module, it is connected to the breathing supply logging modle and the image scanning module, receive the patient respiration waveform and frequency and patient's dynamic image of image scanning module transmission that the breathing supply and logging modle are sent, according to patient's dynamic image and the patient respiration waveform and frequency, calculate the time locus coordinate value of knub position movement of the patient in the case of this respiratory waveform and frequency, and the time locus coordinate value and the patient respiration waveform and frequency for moving the knub position are sent to the analyses and comparison module.
    5th, tracks of device is breathed as claimed in claim 3, it is characterised in that the image scan scope that image scan is carried out to patient is at least one complete respiratory rate cycle.
    6th, tracks of device is breathed as claimed in claim 3, it is characterised in that the image scanning module is Dynamic CT.
    7th, a kind of radiotherapy system, it is characterised in that including the breathing tracks of device as any one of claim 1-6.
    8th, radiotherapy system as claimed in claim 7, it is characterised in that:The instruction of the treatment control module of the therapeutic system in the breathing tracks of device is treated to patient.
CN201380004410.7A 2013-02-28 2013-02-28 Respiration tracking apparatus and radiation therapy system Active CN104220132B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107126192A (en) * 2017-04-18 2017-09-05 四川省肿瘤医院 A kind of knub position real-time monitoring system and its monitoring method
CN109363702A (en) * 2018-09-29 2019-02-22 上海联影医疗科技有限公司 Medical imaging procedure, the acquisition methods of system and dose of radiation, system
CN109965884A (en) * 2019-04-19 2019-07-05 哈尔滨理工大学 A kind of body surface respiratory movement measuring system based on acceleration transducer
CN110237446A (en) * 2019-07-09 2019-09-17 冯丽娟 A kind of respiration gate control equipment for tumour radiotherapy
CN110366389A (en) * 2017-06-19 2019-10-22 深圳市奥沃医学新技术发展有限公司 The method, apparatus and radiotherapy apparatus of target position are determined using radiotherapy apparatus
CN110678224A (en) * 2017-06-19 2020-01-10 深圳市奥沃医学新技术发展有限公司 Method and device for tracking and irradiating target spot by using radiotherapy equipment and radiotherapy equipment
WO2020124583A1 (en) * 2018-12-21 2020-06-25 四川省肿瘤医院 Real-time tumor position monitoring system and monitoring method thereof
CN114052767A (en) * 2022-01-14 2022-02-18 常州复睿特生物科技有限公司 Lung cancer molecular marker detection device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016086976A1 (en) * 2014-12-02 2016-06-09 Brainlab Ag Human body measurement using thermographic images

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101076282A (en) * 2004-09-30 2007-11-21 安科锐公司 Dynamic tracking of moving targets
US20080144772A1 (en) * 2006-12-14 2008-06-19 Byong Yong Yi Treatment-Speed Regulated Tumor-Tracking
CN101484202A (en) * 2006-05-12 2009-07-15 Yrt有限公司 Method and device for generating a signal that reflects respiratory efforts in patients on ventilatory support
CN101500633A (en) * 2006-06-05 2009-08-05 佛罗里达大学研究基金公司 Ventilator monitor system and method of using same
CN101843955A (en) * 2010-03-30 2010-09-29 江苏瑞尔医疗科技有限公司 Hybrid forecasting method for position signal of breath synchronous tracking system and forecaster
CN102068271A (en) * 2011-02-22 2011-05-25 南方医科大学 Method for retrospectively classifying chest or abdomen computed tomography (CT) images based on respiratory phase
CN102369036A (en) * 2009-03-27 2012-03-07 马奎特紧急护理公司 Peep regulation for a breathing apparatus
WO2012127724A1 (en) * 2011-03-18 2012-09-27 三菱重工業株式会社 Control device for radiation therapy device, processing method and programme for same
CN102908144A (en) * 2011-08-03 2013-02-06 西门子公司 Magnetic resonance imaging for therapy planning

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101081177A (en) * 2006-05-30 2007-12-05 深圳市一体医疗科技有限公司 Method for real time tracking of knub position through radiotherapy
CN101623198A (en) * 2008-07-08 2010-01-13 深圳市海博科技有限公司 Real-time tracking method for dynamic tumor

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101076282A (en) * 2004-09-30 2007-11-21 安科锐公司 Dynamic tracking of moving targets
CN101484202A (en) * 2006-05-12 2009-07-15 Yrt有限公司 Method and device for generating a signal that reflects respiratory efforts in patients on ventilatory support
CN101500633A (en) * 2006-06-05 2009-08-05 佛罗里达大学研究基金公司 Ventilator monitor system and method of using same
US20080144772A1 (en) * 2006-12-14 2008-06-19 Byong Yong Yi Treatment-Speed Regulated Tumor-Tracking
CN102369036A (en) * 2009-03-27 2012-03-07 马奎特紧急护理公司 Peep regulation for a breathing apparatus
CN101843955A (en) * 2010-03-30 2010-09-29 江苏瑞尔医疗科技有限公司 Hybrid forecasting method for position signal of breath synchronous tracking system and forecaster
CN102068271A (en) * 2011-02-22 2011-05-25 南方医科大学 Method for retrospectively classifying chest or abdomen computed tomography (CT) images based on respiratory phase
WO2012127724A1 (en) * 2011-03-18 2012-09-27 三菱重工業株式会社 Control device for radiation therapy device, processing method and programme for same
CN102908144A (en) * 2011-08-03 2013-02-06 西门子公司 Magnetic resonance imaging for therapy planning

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107126192A (en) * 2017-04-18 2017-09-05 四川省肿瘤医院 A kind of knub position real-time monitoring system and its monitoring method
CN110366389A (en) * 2017-06-19 2019-10-22 深圳市奥沃医学新技术发展有限公司 The method, apparatus and radiotherapy apparatus of target position are determined using radiotherapy apparatus
CN110678224A (en) * 2017-06-19 2020-01-10 深圳市奥沃医学新技术发展有限公司 Method and device for tracking and irradiating target spot by using radiotherapy equipment and radiotherapy equipment
US11241589B2 (en) 2017-06-19 2022-02-08 Our New Medical Technologies Target tracking and irradiation method and device using radiotherapy apparatus and radiotherapy apparatus
CN110678224B (en) * 2017-06-19 2022-05-13 深圳市奥沃医学新技术发展有限公司 Device for tracking and irradiating target spot by using radiotherapy equipment and radiotherapy equipment
CN110366389B (en) * 2017-06-19 2023-03-03 深圳市奥沃医学新技术发展有限公司 System and device for determining target point position by using radiotherapy equipment and radiotherapy equipment
CN109363702A (en) * 2018-09-29 2019-02-22 上海联影医疗科技有限公司 Medical imaging procedure, the acquisition methods of system and dose of radiation, system
WO2020124583A1 (en) * 2018-12-21 2020-06-25 四川省肿瘤医院 Real-time tumor position monitoring system and monitoring method thereof
CN109965884A (en) * 2019-04-19 2019-07-05 哈尔滨理工大学 A kind of body surface respiratory movement measuring system based on acceleration transducer
CN110237446A (en) * 2019-07-09 2019-09-17 冯丽娟 A kind of respiration gate control equipment for tumour radiotherapy
CN114052767A (en) * 2022-01-14 2022-02-18 常州复睿特生物科技有限公司 Lung cancer molecular marker detection device

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