CN106137202A - Magnetic resonance compatible respiratory training and independently adjusting means and using method thereof - Google Patents

Magnetic resonance compatible respiratory training and independently adjusting means and using method thereof Download PDF

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Publication number
CN106137202A
CN106137202A CN201610585032.1A CN201610585032A CN106137202A CN 106137202 A CN106137202 A CN 106137202A CN 201610585032 A CN201610585032 A CN 201610585032A CN 106137202 A CN106137202 A CN 106137202A
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CN
China
Prior art keywords
respiratory
breathing
magnetic resonance
display
time
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Pending
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CN201610585032.1A
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Chinese (zh)
Inventor
夏春潮
幸浩洋
李真林
蒲进
李磊
彭婉琳
张金戈
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West China Hospital of Sichuan University
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West China Hospital of Sichuan University
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Publication of CN106137202A publication Critical patent/CN106137202A/en
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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis

Abstract

The open a kind of magnetic resonance compatible respiratory training of the present invention and independently adjusting means and using method thereof, belong to medical instruments field, including device for detecting respiratory, display, processing terminal, traversing carriage, expansion link, described device for detecting respiratory and display electrically connect with processing terminal respectively, described traversing carriage is connected with expansion link one end, and described display is connected with the expansion link other end.The present invention be by solve person under inspection's Disorder of Respiratory Rhythm, hold one's breath the best, every time hold one's breath the degree of depth differ and the problem such as the potential safety hazard that faced in checking process and a kind of simple to operate, safe and practical magnetic resonance compatible respiratory training and autonomous adjusting means are provided, this device realizes without any pressure apparatus in body surface, person under inspection is in the case of comfortable, carry out imaging after carrying out respiratory training and independently adapting to be adjusted to the breathing of rule, rather than magnetic resonance equipment adapts to breathing in real time of person under inspection and carries out imaging.

Description

Magnetic resonance compatible respiratory training and independently adjusting means and using method thereof
Technical field
The present invention relates to a kind of medical apparatus and instruments and usage thereof, fill particularly to magnetic resonance compatible respiratory training and from main regulation Put and using method.
Background technology
Person under inspection is often required to carry out magnetic resonance imaging under breath-hold state, or utilizes respiration gate control to carry out imaging, Particularly in thorax abdomen imaging, as three-dimensional imaging, cardiac imaging, without contrast medium blood vessel imaging, vascular plaque imaging, chest and abdomen The technology such as portion's qualitatively and quantitatively imaging are widely used the most.This type of Examined effect requires to enter person under inspection before inspection Row respiratory training is to ensure image quality.Person under inspection it is difficult to ensure that in whole checking process breathe concordance, in checking process In often occur Disorder of Respiratory Rhythm, hold one's breath the best, every time the degree of depth of holding one's breath differ and cause the situations such as image blurring or staggered floor, direct shadow Ring picture quality, the most also the results such as quantitative, qualitative, the cubing of tissue, radiotherapy targeted therapy area measure are brought relatively simultaneously Big error.Existing magnetic resonance examination passive type respiratory regulation device, this device energy rhythmicity compressing umbilicus week stomach wall, passes through Umbilicus week, stomach wall passively regulated person under inspection's ventral breathing rhythm and pace of moving things, made person under inspection passively breathe, and timely adjustment respiratory frequency and amplitude Keep stable.But many persons under inspection, the most postoperative, abdominal pain, the person under inspection such as hypogastric region inspection is to accept umbilicus week stomach wall passive The feelings such as the placement of abdominal part coil when there will be discomfort, pain reaction and affect abdomen examination when compressing and mandatory regulation are breathed Condition.
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, 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 potential safety hazard and a kind of simple to operate, safe and practical magnetic resonance compatible respiratory training and autonomous is provided Adjusting means.This device realizes without any pressure apparatus in body surface, and person under inspection, in the case of comfortable, carries out respiratory training the most certainly Main adaptation carries out imaging after being adjusted to the breathing of rule, rather than magnetic resonance equipment adapts to breathing in real time of person under inspection and carries out imaging.
For reaching above-mentioned purpose, the technical solution used in the present invention is as follows:
Magnetic resonance compatible respiratory training and autonomous adjusting means, including device for detecting respiratory, display, processing terminal, shifting Moving support, expansion link, described device for detecting respiratory and display electrically connect with processing terminal respectively, and described traversing carriage is with flexible Bar one end connects, and described display is connected with the expansion link other end.
Preferably, described traversing carriage includes the main support of inverse u shape, and two bottoms of described main support are connected to The cross bar of a piece level, the lower surface at each cross bar two ends is respectively equipped with roller.
Preferably, described expansion link is horizontally disposed with, and expansion link is connected with the top of traversing carriage.
Further, described expansion link is telescopic bar.
Further, described device for detecting respiratory, display, processing terminal, traversing carriage, expansion link are non magnetic material Matter.
Preferably, described device for detecting respiratory and display and processing terminal be connected by NMR (Nuclear Magnetic Resonance)-imaging compatible fiber or Wireless connections.
Preferably, described processing terminal is connected with magnetic resonance equipment in the way of the gate of periphery.
Magnetic resonance compatible 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, and described N >=10 are described Respiratory waveform figure 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=g (t) (II)
Wherein ybFor the respiratory intensity in background respiratory waveform figure；
3rd step, the background respiratory waveform figure input display obtained by second step instructs person under inspection to breathe, simultaneously will the back of the body Scape respiratory waveform figure is for the detection data collection of detecting instrument pulse train；
In described 3rd step, background respiratory waveform figure shows over the display as reference waveform, will be examined by breathing simultaneously The real-time respiratory waveform surveying device detection shows over the display, to instruct person under inspection to breathe.
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:
t p = Σ 1 N t i N - - - ( I I I )
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:
y i = f ( t t p t i ) - - - ( I V )
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:
y b = g ( t ) = Σ 1 N y i N = Σ 1 N f ( t t p t i ) N - - - ( V )
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 structural representation of the present invention；
Fig. 2 is the attachment structure schematic diagram of display, traversing carriage, expansion link；
Fig. 3 is testing process schematic diagram；
In figure: 1-device for detecting respiratory, 2-display, 3-processing terminal, 4-traversing carriage, 5-expansion link, 6-detector Device, 41-main support, 42-cross bar, 43-roller.
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 shown in Figure 1-2, magnetic resonance compatible respiratory training and autonomous adjusting means, including device for detecting respiratory 1, display 2, processing terminal 3, traversing carriage 4, expansion link 5, device for detecting respiratory 1 and display 2 electrically connect with processing terminal 3 respectively, move Dynamic support 4 is connected with expansion link 5 one end, and display 2 is connected with expansion link 5 other end, and traversing carriage 4 includes the master of inverse u shape Support 41, two bottoms of main support 41 are connected to the cross bar 42 of a level, the lower surface at each cross bar 42 two ends Being respectively equipped with roller 43, expansion link 5 is horizontally disposed with, and expansion link 5 is connected with the top of traversing carriage 4, and expansion link 5 is stretched for telescopic Contracting bar, device for detecting respiratory 1, display 2, processing terminal 3, traversing carriage 4, expansion link 5 are non magnetic material, respiration detection Device 1 and display 2 are connected or wireless connections by NMR (Nuclear Magnetic Resonance)-imaging compatible fiber with processing terminal 3, and processing terminal 3 is with periphery The mode of gate is connected with magnetic resonance equipment.
As it is shown on figure 3, magnetic resonance compatible 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 >=10, 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=g (t) (II)
Wherein ybFor the respiratory intensity in background respiratory waveform figure,
First pass through the average breathing time being calculated the single breathing cycle total time of N number of breathing cycle:
t p = Σ 1 N t i N - - - ( I I I )
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:
y i = f ( t t p t i ) - - - ( I V )
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:
y b = g ( t ) = Σ 1 N y i N = Σ 1 N f ( t t p t i ) N - - - ( V )
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；
3rd step, the background respiratory waveform figure input display 2 obtained by second step instructs person under inspection to breathe, simultaneously will the back of the body Scape respiratory waveform figure is for the detection data collection of detecting instrument pulse train, and in the 3rd step, background respiratory waveform figure is as mark Waveform shows on a display 2, shows on a display 2 by the real-time respiratory waveform detected by device for detecting respiratory 1 simultaneously, To instruct person under inspection to breathe.
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 (10)

1. magnetic resonance compatible respiratory training and autonomous adjusting means, it is characterised in that: include device for detecting respiratory (1), display (2), processing terminal (3), traversing carriage (4), expansion link (5), described device for detecting respiratory (1) and display (2) respectively with place Reason terminal (3) electrical connection, described traversing carriage (4) is connected with expansion link (5) one end, and described display (2) is another with expansion link (5) One end connects.
Magnetic resonance compatible respiratory training the most according to claim 1 and autonomous adjusting means, it is characterised in that: described movement Support (4) includes the main support (41) of inverse u shape, and two bottoms of described main support (41) are connected to the horizontal stroke of a level Bar (42), the lower surface at each cross bar (42) two ends is respectively equipped with roller (43).
Magnetic resonance compatible respiratory training the most according to claim 2 and autonomous adjusting means, it is characterised in that: described flexible Bar (5) is horizontally disposed with, and expansion link (5) is connected with the top of traversing carriage (4).
Magnetic resonance compatible respiratory training the most according to claim 3 and autonomous adjusting means, it is characterised in that: described flexible Bar (5) is telescopic bar.
5., according to the magnetic resonance compatible respiratory training described in claim 1-4 any one and autonomous adjusting means, its feature exists In: described device for detecting respiratory (1), display (2), processing terminal (3), traversing carriage (4), expansion link (5) are non magnetic Material.
Magnetic resonance compatible respiratory training the most according to claim 5 and autonomous adjusting means, it is characterised in that: described breathing Detection device (1) and display (2) are connected or wireless connections by NMR (Nuclear Magnetic Resonance)-imaging compatible fiber with processing terminal (3).
Magnetic resonance compatible respiratory training the most according to claim 6 and autonomous adjusting means, it is characterised in that: described process Terminal (3) is connected with magnetic resonance equipment in the way of the gate of periphery.
8. the magnetic resonance detection method applying device described in claim 1-7 any one, it is characterised in that include following Step:
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, and described N >=10 are described Respiratory waveform figure 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=g (t) (II)
Wherein ybFor the respiratory intensity in background respiratory waveform figure；
3rd step, background respiratory waveform figure input display (2) obtained by second step instructs person under inspection to breathe, simultaneously by background Respiratory waveform figure is for the detection data collection of detecting instrument pulse train；
In described 3rd step, background respiratory waveform figure shows on display (2) as reference waveform, simultaneously will be by respiration detection The real-time respiratory waveform that device (1) detects shows on display (2), to instruct person under inspection to breathe.
Magnetic resonance detection method the most according to claim 8, 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:
t p = Σ 1 N t i N - - - ( I I I )
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:
y i = f ( t t p t i ) - - - ( I V )
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:
y b = g ( t ) = Σ 1 N y i N = Σ 1 N f ( t t p t i ) N - - - ( V )
Described ybFor the y in (II)b。
Magnetic resonance detection method the most according to claim 8, it is characterised in that: between described second step and the 3rd step also Can increase 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.
CN201610585032.1A 2016-07-08 2016-07-22 Magnetic resonance compatible respiratory training and independently adjusting means and using method thereof Pending CN106137202A (en)

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Cited By (3)

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CN112545483A (en) * 2020-11-26 2021-03-26 中国人民解放军总医院第一医学中心 Intelligent magnetic resonance respiratory exercise training method and device
CN112998853A (en) * 2021-02-25 2021-06-22 四川大学华西医院 2D modeling method, 3D modeling method and detection system for abdominal vascular dynamic angiography
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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CN104274914A (en) * 2014-09-25 2015-01-14 中国科学院近代物理研究所 Breath guide device and method for ion beam respiratory-gated treatment
CN206063142U (en) * 2016-07-08 2017-04-05 四川大学华西医院 Magnetic resonance compatible respiratory training and autonomous adjusting means

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CN201260669Y (en) * 2008-10-09 2009-06-24 李宝生 Respiration signal extraction and respiratory movement guide arrangement
CN101507861A (en) * 2009-03-06 2009-08-19 清华大学深圳研究生院 Method for generating digitization breath gate-control signal based on abdomen body-surface skeleton line
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11759677B2 (en) 2018-02-16 2023-09-19 University Of Louisville Research Foundation, Inc. Respiratory training and airway pressure monitoring device
CN112545483A (en) * 2020-11-26 2021-03-26 中国人民解放军总医院第一医学中心 Intelligent magnetic resonance respiratory exercise training method and device
CN112545483B (en) * 2020-11-26 2023-03-10 中国人民解放军总医院第一医学中心 Intelligent magnetic resonance respiratory motion training method and device
CN112998853A (en) * 2021-02-25 2021-06-22 四川大学华西医院 2D modeling method, 3D modeling method and detection system for abdominal vascular dynamic angiography
CN112998853B (en) * 2021-02-25 2023-05-23 四川大学华西医院 Abdominal angiography 2D modeling method, 3D modeling method and detection system

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