CN106308839A - CT (Computed Tomography) compatible respiratory training and automatic adjusting device and application method thereof - Google Patents
CT (Computed Tomography) compatible respiratory training and automatic adjusting device and application method thereof Download PDFInfo
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- CN106308839A CN106308839A CN201610659200.7A CN201610659200A CN106308839A CN 106308839 A CN106308839 A CN 106308839A CN 201610659200 A CN201610659200 A CN 201610659200A CN 106308839 A CN106308839 A CN 106308839A
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- 230000000241 respiratory effect Effects 0.000 title claims abstract description 101
- 238000012549 training Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000002591 computed tomography Methods 0.000 title abstract 7
- 230000029058 respiratory gaseous exchange Effects 0.000 claims abstract description 62
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000007689 inspection Methods 0.000 claims description 31
- 238000010606 normalization Methods 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 6
- 238000013480 data collection Methods 0.000 claims description 3
- 210000000115 thoracic cavity Anatomy 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 abstract description 14
- 230000005855 radiation Effects 0.000 abstract description 3
- 230000033764 rhythmic process Effects 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 210000000038 chest Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 208000008784 apnea Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 208000035475 disorder Diseases 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 208000002330 Congenital Heart Defects Diseases 0.000 description 1
- 208000002251 Dissecting Aneurysm Diseases 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 208000028831 congenital heart disease Diseases 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002526 effect on cardiovascular system Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000001147 pulmonary artery Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0492—Positioning of patients; Tiltable beds or the like using markers or indicia for aiding patient positioning
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
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Abstract
The invention discloses a CT (Computed Tomography) compatible respiratory training and automatic adjusting device and an application method thereof and belongs to the field of medical equipment. The CT compatible respiratory training and automatic adjusting device comprises a respiratory detection device (1), a head-mounted display (2) and a processing terminal (3); the respiratory detection device (1) and the head-mounted display (2) are electrically connected with the processing terminal (3) respectively. The invention provides the CT compatible respiratory training and automatic adjusting device which is simple to operate, safe and practical, aiming at solving the problems that a detected person has a disordered respiratory rhythm, has bad suspend breathing and has different depth in each time of suspend breathing, and unnecessary radiation damages in a detection process and the like. The device realizes manual intelligent display, and the detected person can wear the display device under a comfortable condition to carry out respiratory training and the breathing is automatically and adaptively adjusted into regular breathing and then imaging is realized, without the need that CT equipment is adaptive to real-time breathing of the detected person.
Description
Technical field
The present invention relates to a kind of armarium and usage thereof, particularly to CT compatibility respiratory training and autonomous adjusting means and
Its using method.
Background technology
During CT enhanced ct scans, the sweep limits of each phase phase carries out positioning and need patient repeatedly all in accordance with location picture
Holding one's breath, privileged sites inspection need to utilize respiration gate control to carry out imaging, particularly on cardiovascular, as congenital heart disease blood vessel imaging,
Imaging in coronary arteries etc. are the most extensively applied, thorax abdomen enhanced ct scans and thorax abdomen blood vessel imaging, such as breast CT enhanced ct scans, entirely
Abdominal CT enhanced ct scans, angiography of pulmonary artery, dissecting aneurysm imaging, liver vessel imaging etc. have become routine clinical inspection.This
Class Examined effect requires person under inspection to carry out before inspection respiratory training to ensure image quality.Person under inspection is it is difficult to ensure that whole inspection
During looking into breathe concordance, often occur in checking process Disorder of Respiratory Rhythm, hold one's breath the best, hold one's breath the degree of depth not every time
One, cause image blurring, staggered floor, sweep limits not enough or too much, directly affect picture quality, also patient is caused simultaneously non-must
The property wanted radiation damage.According to the literature, the CT flash scanning technique that Siemens Company releases can solve person under inspection and hold one's breath the best
Problem, but utilize flash scanning technique to only have systole or relaxing period list phase imaging rather than the systole of respiratory gating technology
Phase imagings double with relaxing period, picture quality is not good enough.
In view of this, how to efficiently control the breathing of person under inspection, can guarantee that again the comfortable safety of person under inspection is examined and imaging
Quality is high, it has also become this area problem demanding prompt solution.
Summary of the invention
The present invention be for solve person under inspection's Disorder of Respiratory Rhythm, hold one's breath the best, every time the degree of depth of holding one's breath differ and checking process
The problems such as middle faced non-essential radiation damage and provide a kind of simple to operate, safe and practical CT compatibility respiratory training and
Autonomous adjusting means.This device realizes artificial intelligence and shows, person under inspection puts on display device in the case of comfortable and breathes
Training also carries out imaging after independently adapting to be adjusted to the breathing of rule, rather than CT equipment adapts to breathing in real time of person under inspection.
For reaching above-mentioned purpose, the technical solution used in the present invention is as follows:
CT compatibility respiratory training and autonomous adjusting means, including device for detecting respiratory, head mounted display, processing terminal,
Described device for detecting respiratory and head mounted display electrically connect with processing terminal respectively.
Preferably, described head mounted display is glasses display.
Preferably, described head mounted display is Helmet Mounted Display.
Further, described head mounted display and processing terminal wireless connections.
Further, described device for detecting respiratory and processing terminal wireless connections.
Preferably, described processing terminal is connected with CT detecting instrument in the way of the gate of periphery, and processing terminal detects with CT
The heart rate apnea detector electrical connection of instrument, described heart rate apnea detector is provided with electrode slice.
CT compatibility respiratory training and the detection method of autonomous adjusting means, comprise the following steps:
The first step, application device for detecting respiratory gathers the respiratory waveform figure in person under inspection's N number of cycle, and described respiratory waveform figure is
The oscillogram that respiratory intensity changes along with breathing time, described respiratory intensity both thoracic cavity inner and outer air pressures are poor, described N >=5, described in exhale
Suction oscillogram is:
Y=f (t) (I)
Breathing time in wherein t is a breathing cycle, y is respiratory intensity;
Second step, obtains background respiratory waveform figure by the data input processing terminal processes of first step collection:
yb=x g (t) (II)
Wherein ybFor the respiratory intensity in background respiratory waveform figure, x is for revising constant, 0.9≤x≤1.1;
3rd step, the background respiratory waveform figure input head head mounted displays obtained by second step instructs person under inspection to breathe, with
Time background respiratory waveform figure is used for the detection data collection of CT detection pulse train;
In described 3rd step, background respiratory waveform figure shows on head mounted display as reference waveform, simultaneously will be by
The real-time respiratory waveform of the heart rate respiratory monitor detection on CT detecting instrument shows on head mounted display, is examined to instruct
Person breathes, and heart rate respiratory monitor connects electrode slice, and during detection, electrode slice is attached to the chest of person under inspection.
Preferably, in described second step,
First pass through the average breathing time being calculated the single breathing cycle total time of N number of breathing cycle:
Wherein tpFor the breathing time of an average breathing cycle, tiBreathing time for the i-th breathing cycle;
Recycle and average time the respiratory waveform figure of each breathing cycle carried out time normalization process:
Wherein yiRespiratory intensity after processing for the time normalization of i-th breathing cycle;
N number of respiratory waveform figure after time normalization being processed the most again is averaged and obtains background respiratory waveform figure:
Described ybFor the y in (II)b。
Further, step a can also be increased between described second step and the 3rd step:
Training person under inspection breathing pattern, make person under inspection continuously no less than three breathing cycles real-time respiratory waveform figure with
The 10% of the respiratory intensity error≤maximum breathing intensity of background respiratory waveform figure, described maximum breathing intensity is background respiratory wave
The maximum breathing intensity of shape figure.
The method have the advantages that
1. the present invention is simple to operate, safe and practical.
2. the person under inspection using the present invention can carry out nuclear magnetic resonance after main modulation obtains the breathing of rule, and non-magnetic
Breathing in real time that resonance adaptation person under inspection does not adjusts carries out imaging.
3. the present invention ensure that the inspected comfortableness of person under inspection, without any pressure apparatus in body surface.
4. the present invention can improve and relates to magnetic resonance and hold one's breath the power that is applied to of imaging or respiration gate control imaging technique, rather than
Single a part or certain technology success rate, covering scope is extensive.
5. the present invention can improve picture quality, instructs clinic to suit the medicine to the illness precisely and treats.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the detection method first step;
Fig. 2 is the schematic diagram of detection method a step;
Fig. 3 is the schematic diagram of detection method the 3rd step;
Fig. 4 is testing process schematic diagram;
In figure: 1-device for detecting respiratory, 2-head mounted display, 3-processing terminal, 4-CT detecting instrument, 41-heart rate are exhaled
Inhale monitor, 42-electrode slice.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the present invention is entered
Row further describes.
As it is shown in figure 1, CT compatibility respiratory training and autonomous adjusting means, including device for detecting respiratory 1, head mounted display
2, processing terminal 3, device for detecting respiratory 1 and head mounted display 2 electrically connect with processing terminal 3 respectively, and head mounted display 2 is
Glasses display, head mounted display 2 and processing terminal 3 wireless connections, device for detecting respiratory 1 and processing terminal 3 wireless connections,
Processing terminal 3 is connected with CT detecting instrument 4 in the way of the gate of periphery, processing terminal and the heart rate respiration detection of CT detecting instrument
Device electrically connects, and described heart rate apnea detector is provided with electrode slice.
Certainly, glasses display can also be replaced by Helmet Mounted Display, VR glasses, Google's glasses etc..
As in figure 2 it is shown, CT compatibility respiratory training and the detection method of autonomous adjusting means, comprise the following steps:
The first step, application device for detecting respiratory 1 gathers the respiratory waveform figure in person under inspection's N number of cycle, and respiratory waveform figure is for exhaling
Inhaling the oscillogram that intensity changes along with breathing time, respiratory intensity both thoracic cavity inner and outer air pressures are poor, N >=5, and respiratory waveform figure is:
Y=f (t) (I)
Breathing time in wherein t is a breathing cycle, y is respiratory intensity;
Second step, processes the data input processing terminal 3 of first step collection and obtains background respiratory waveform figure:
yb=x g (t) (II)
Wherein ybFor the respiratory intensity in background respiratory waveform figure, x is correction constant, 0.9≤x≤1.1,
First pass through the average breathing time being calculated the single breathing cycle total time of N number of breathing cycle:
Wherein tpFor the breathing time of an average breathing cycle, tiBreathing time for the i-th breathing cycle;
Recycle and average time the respiratory waveform figure of each breathing cycle carried out time normalization process:
Wherein yiRespiratory intensity after processing for the time normalization of i-th breathing cycle;
N number of respiratory waveform figure after time normalization being processed the most again is averaged and obtains background respiratory waveform figure:
ybFor the y in (II)b;
Step a: the breathing pattern of training person under inspection, makes person under inspection continuously no less than the real-time respiratory wave of three breathing cycles
The 10% of the respiratory intensity error≤maximum breathing intensity of shape figure and background respiratory waveform figure, maximum breathing intensity is that background is breathed
The maximum breathing intensity of oscillogram, if always there is certain deviation, Ke Yitong in respiratory waveform figure and background respiratory waveform figure in real time
Cross correction constant x background respiratory waveform figure is adjusted;
3rd step, the background respiratory waveform figure input head head mounted displays 2 obtained by second step instructs person under inspection to breathe, with
Time background respiratory waveform figure is used for the detection data collection of CT detection pulse train, in the 3rd step, background respiratory waveform figure is made
Show on head mounted display 2 for reference waveform, will be detected by the heart rate respiratory monitor 41 on CT detecting instrument 4 simultaneously
Respiratory waveform shows on head mounted display 2 in real time, and to instruct person under inspection to breathe, heart rate respiratory monitor 41 connects electrode
Sheet 42, during detection, electrode slice 42 is attached to the chest of person under inspection.
Certainly, the present invention also can have other various embodiments, in the case of without departing substantially from present invention spirit and essence thereof, ripe
Know those skilled in the art and can make various corresponding change and deformation according to the present invention, but these change and deformation accordingly
All should belong to the protection domain of appended claims of the invention.
Claims (9)
1.CT compatibility respiratory training and autonomous adjusting means, it is characterised in that: include that device for detecting respiratory (1), wear-type show
Device (2), processing terminal (3), described device for detecting respiratory (1) and head mounted display (2) are electrically connected with processing terminal (3) respectively
Connect.
CT compatibility respiratory training the most according to claim 1 and autonomous adjusting means, it is characterised in that: described wear-type shows
Show that device (2) is glasses display.
CT compatibility respiratory training the most according to claim 1 and autonomous adjusting means, it is characterised in that: described wear-type shows
Show that device (2) is Helmet Mounted Display.
4. according to the CT compatibility respiratory training described in claim 1-3 any one and autonomous adjusting means, it is characterised in that: institute
State head mounted display (2) and processing terminal (3) wireless connections.
CT compatibility respiratory training the most according to claim 4 and autonomous adjusting means, it is characterised in that: described respiration detection
Device (1) and processing terminal (3) wireless connections.
CT compatibility respiratory training the most according to claim 1 and autonomous adjusting means, it is characterised in that: described processing terminal
(3) it is connected with CT detecting instrument (4) in the way of the gate of periphery.
7. the CT detection method applying device described in claim 1-6 any one, it is characterised in that comprise the following steps:
The first step, application device for detecting respiratory (1) gathers the respiratory waveform figure in person under inspection's N number of cycle, and described respiratory waveform figure is
The oscillogram that respiratory intensity changes along with breathing time, described respiratory intensity both thoracic cavity inner and outer air pressures are poor, described N >=5, described in exhale
Suction oscillogram is:
Y=f (t) (I)
Breathing time in wherein t is a breathing cycle, y is respiratory intensity;
Second step, data input processing terminal (3) first step gathered process and obtain background respiratory waveform figure:
yb=x g (t) (II)
Wherein ybFor the respiratory intensity in background respiratory waveform figure, x is for revising constant, 0.9≤x≤1.1;
3rd step, background respiratory waveform figure input head head mounted displays (2) obtained by second step instructs person under inspection to breathe, simultaneously
Background respiratory waveform figure is used for the detection data collection of CT detection pulse train;
In described 3rd step, background respiratory waveform figure shows on head mounted display (2) as reference waveform, simultaneously will be by CT
The real-time respiratory waveform that heart rate respiratory monitor (41) on detecting instrument (4) detects shows on head mounted display (2), with
Person under inspection is instructed to breathe.
CT detection method the most according to claim 7, it is characterised in that: in described second step,
First pass through the average breathing time being calculated the single breathing cycle total time of N number of breathing cycle:
Wherein tpFor the breathing time of an average breathing cycle, tiBreathing time for the i-th breathing cycle;
Recycle and average time the respiratory waveform figure of each breathing cycle carried out time normalization process:
Wherein yiRespiratory intensity after processing for the time normalization of i-th breathing cycle;
N number of respiratory waveform figure after time normalization being processed the most again is averaged and obtains background respiratory waveform figure:
Described ybFor the y in (II)b。
CT detection method the most according to claim 7, it is characterised in that: can also increase between described second step and the 3rd step
Add step a:
The breathing pattern of training person under inspection, makes person under inspection continuously no less than real-time respiratory waveform figure and the background of three breathing cycles
The 10% of the respiratory intensity error≤maximum breathing intensity of respiratory waveform figure, described maximum breathing intensity is background respiratory waveform figure
Maximum breathing intensity.
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Cited By (4)
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---|---|---|---|---|
CN106859678A (en) * | 2017-01-18 | 2017-06-20 | 沈阳东软医疗系统有限公司 | A kind of method and device of driver sweep |
CN109887370A (en) * | 2019-04-23 | 2019-06-14 | 中国人民解放军陆军军医大学第二附属医院 | A kind of helmet-type training simulation device for before magnetic resonance examination |
CN113288112A (en) * | 2021-05-17 | 2021-08-24 | 上海市肺科医院 | Disease examination and treatment device for department of respiration |
US11759677B2 (en) | 2018-02-16 | 2023-09-19 | University Of Louisville Research Foundation, Inc. | Respiratory training and airway pressure monitoring device |
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CN109887370A (en) * | 2019-04-23 | 2019-06-14 | 中国人民解放军陆军军医大学第二附属医院 | A kind of helmet-type training simulation device for before magnetic resonance examination |
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