CN110269618A - A kind of wearable device and the magnetic resonance ecg-gating system based on wearable device - Google Patents
A kind of wearable device and the magnetic resonance ecg-gating system based on wearable device Download PDFInfo
- Publication number
- CN110269618A CN110269618A CN201910563235.4A CN201910563235A CN110269618A CN 110269618 A CN110269618 A CN 110269618A CN 201910563235 A CN201910563235 A CN 201910563235A CN 110269618 A CN110269618 A CN 110269618A
- Authority
- CN
- China
- Prior art keywords
- ecg
- wearable device
- electrocardiosignal
- signal
- wave impulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/02108—Measuring pressure in heart or blood vessels from analysis of pulse wave characteristics
-
- 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
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
-
- 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
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7285—Specific aspects of physiological measurement analysis for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal
Abstract
A kind of magnetic resonance ecg-gating system the present invention relates to wearable device and based on wearable device, the wearable device includes the R wave impulse construction unit and communication unit of PPG (photoplethysmograph, photoplethysmographic) signal acquisition unit, electrocardiosignal；The PPG signal of PPG signal acquisition unit collecting test person, and the PPG signal is sent to the R wave impulse construction unit of electrocardiosignal；The R wave impulse construction unit of electrocardiosignal generates the R wave impulse of electrocardiosignal after being delayed to PPG signal according to the delay duration of setting；The R wave impulse of the electrocardiosignal is sent to the host computer of corresponding magnetic resonance ecg-gating system by communication unit.ECG (Electrocardiogram is obtained after delay by the PPG signal of wearable device collecting test person, electrocardio) signal R wave impulse, the wearable device structure is simple, cheap and easy to operate, state of the tester without keeping front patch electrode in the detection process.
Description
Technical field
The present invention relates to magnetic resonance system field more particularly to a kind of wearable device and the magnetic based on wearable device is total
Vibration ecg-gating system.
Background technique
In the scanning process of the scanner of magnetic resonance system, in order to rebuild clearly image, often in longer scanning
In time, a series of rf pulse sequences of scanner repeat its transmission, then piece image is rebuild by way of superposition, and need
During the scanning process, it is desirable that imaging object remains stationary state.When heart is imaged, the radio-frequency pulse of each scanning
Sequence occurs randomly in the different moments of cardiac cycle, obtained signal also just different moments during aroused in interest,
Serious motion artifacts will be occurred by eventually leading to the cardiac image obtained by multiple asynchronous Signal averaging.Exclude image fortune
The widely used effective ways of dynamic artifact are that the transmitting of rf pulse sequence and the acquisition of signal is made to be synchronized with the fortune of heart
It is dynamic.Here it is the basic functional principles of magnetic resonance system ecg-gating system.
Magnetic resonance ecg-gating technology is generally divided into perspective (prospective) acquisition technique and retrospective
(retrospective) acquisition technique two ways is the R wave by electrocardiosignal as triggering identification, by certain
Time starts to acquire data.
No matter which kind of mode is taken, and the accurate acquisition of electrocardiosignal is the most important condition that ecg-gating is realized, current magnetic is total
In vibrating system, the precordial electrode acquisition mode of the ecg signal acquiring for ecg-gating is relatively cumbersome, has one to operating process
Definite limitation, it should be noted that the mounting arrangements position of multiple lead conducting wires.And cost is relatively high, increases the total of magnetic resonance system
Cost.
Summary of the invention
The present invention for the technical problems in the prior art, provides a kind of wearable device and based on wearable device
Magnetic resonance ecg-gating system.
The technical scheme to solve the above technical problems is that a kind of wearable device, comprising: PPG signal acquisition
The R wave impulse construction unit and communication unit of unit, electrocardiosignal；
The PPG signal of the PPG signal acquisition unit collecting test person, and the PPG signal is sent to the electrocardio
The R wave impulse construction unit of signal；
The R wave impulse construction unit of the electrocardiosignal is delayed to the PPG signal according to the delay duration of setting
The R wave impulse of electrocardiosignal is generated afterwards；
The R wave impulse of the electrocardiosignal is sent to the upper of corresponding magnetic resonance ecg-gating system by the communication unit
Position machine.
A kind of magnetic resonance ecg-gating system based on wearable device, including above-mentioned wearable device, further include upper
Machine；The R wave impulse of the electrocardiosignal of generation is sent to the host computer by the wearable device.
The beneficial effects of the present invention are: period using PPG signal and ECG signal is equal, R wave impulse of ECG signal with
The wave crest of PPG signal, which has, postpones this physical feature, through the PPG signal of wearable device collecting test person after delay
To the R wave impulse of ECG signal, the magnetic resonance ecg-gating system can be met by being sent to corresponding magnetic resonance ecg-gating system
Triggered time demand is obtained, the wearable device structure is simple, cheap and easy to operate, and tester was without detecting
The state of front patch electrode is kept in journey.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the PPG signal acquisition unit includes sensor module, filtering and amplifying circuit and ADC acquisition module, is adopted
Collection is converted to the PPG signal of tester.
The delay duration of setting in the R wave impulse construction unit of the electrocardiosignal is adjustable.
The delay duration TdelayThe PPG signal that real-time synchronization acquires before carrying out magnetic resonance examination according to the tester
It is adjusted in real time with ECG signal:
Tdelay=T1-PWTT；
Wherein, T1 is the period of the PPG signal of the tester acquired in real time, and PWTT is the test acquired in real time
The trigger delay time of the R wave of the wave crest and ECG signal of the PPG signal of person.
The wearable device further includes ECG signal acquisition unit and delay duration calculating storaging unit；
Tester described in the ECG signal acquisition unit and PPG signal acquisition unit difference synchronous acquisition carries out magnetic
PPG signal and ECG signal before resonance checks；
The delay duration calculating storaging unit is calculated the delay duration of the tester and stores；
The R wave impulse construction unit of the electrocardiosignal prolongs according to delay duration calculating storaging unit storage
Shi Shichang constructs the R wave impulse of the electrocardiosignal.
The wearable device is wearable bracelet；
Tester described in the ECG signal acquisition unit and PPG signal acquisition unit difference synchronous acquisition carries out magnetic
Resonance check before PPG signal and when ECG signal, the wearable bracelet on the wrist band of one hand of the tester, separately
The finger of an outer hand pins the ECG signal acquisition unit on the wearable bracelet.
The wearable device is wearable bracelet；
Tester described in the ECG signal acquisition unit and PPG signal acquisition unit difference synchronous acquisition carries out magnetic
Resonance check before PPG signal and when ECG signal, the wearable bracelet on the wrist band of one hand of the tester, separately
The finger of an outer hand pins the ECG signal acquisition unit on the wearable bracelet.
The communication unit includes the first photoelectric conversion module；
The R wave impulse for the electrocardiosignal that first photoelectric conversion module generates the R wave impulse construction unit
Electric signal be converted to the host computer that the corresponding magnetic resonance ecg-gating system is sent to after optical signal.
When the communication unit of the wearable device includes the first photoelectric conversion module, the magnetic resonance ecg-gating
System further includes the second photoelectric conversion module being connect with first photoelectric conversion module by optical fiber；
First photoelectric conversion module passes through optical fiber after the electric signal of the R wave impulse of electrocardiosignal is converted to optical signal
It is sent to second photoelectric conversion module, second photoelectric conversion module turns the optical signal of the R wave impulse of electrocardiosignal
It changes electric signal into and is sent to the host computer.
Beneficial effect using above-mentioned further scheme is, by the way that ECG signal acquisition unit is arranged in wearable device,
The wearable device synchronous acquisition PPG signal and ECG signal are first passed through before tester carries out magnetic resonance examination, and then are calculated
After obtaining accurate delay duration and storing, carry out that the delay duration is supplied to electrocardio in resonance examination procedure in tester
The R wave impulse construction unit of signal, prevent because individuality and time are different and caused by delay time different problems produce
It is raw, guarantee the precision of the R wave impulse of the electrocardiosignal of building, and then guarantee the picture quality rebuild in resonance examination procedure.
Photoelectric conversion module is respectively set in wearable device and ecg-gating system, by the R of the electrocardiosignal of building
Wave impulse is transmitted through the fiber to outside Magnetic Resonance (MR) Room/ MRI Room after being converted into optical signal, outside Magnetic Resonance (MR) Room/ MRI Room, is restored as electric signal, guarantee
Signal is not by the magnetic interference of magnetic resonance system.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of wearable device provided by the invention；
Fig. 2 is the relational graph of ECG signal and PPG signal；
Fig. 3 is the partial circuit schematic diagram of delay duration calculating storaging unit provided in an embodiment of the present invention；
Fig. 4 is the circuit diagram of the first photoelectric conversion module provided in an embodiment of the present invention；
Fig. 5 is a kind of structural frames of the magnetic resonance ecg-gating system based on wearable device provided in an embodiment of the present invention
Figure；
Fig. 6 is the flow chart of ecg-r wave pulse signal provided in an embodiment of the present invention building；
Fig. 7 is the circuit diagram of the second photoelectric conversion module provided in an embodiment of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, wearable device, 11, PPG signal acquisition unit, 12, the R wave impulse construction unit of electrocardiosignal, 13, communication
Unit, the 131, first photoelectric conversion module, 14, ECG signal acquisition unit, 15, delay duration calculating storaging unit, 2, upper
Machine, the 3, second photoelectric conversion module.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
The present invention provides a kind of wearable device, is as shown in Figure 1 a kind of structure of wearable device provided by the invention
Block diagram, as shown in Figure 1, the wearable device 1 include the R wave impulse construction unit 12 of PPG signal acquisition unit 11, electrocardiosignal
With communication unit 13.
The PPG signal of 11 collecting test person of PPG signal acquisition unit, and the PPG signal is sent to the R wave of electrocardiosignal
Pulse construction unit 12.
The R wave impulse construction unit 12 of electrocardiosignal generates after being delayed to PPG signal according to the delay duration of setting
The R wave impulse of electrocardiosignal.
The R wave impulse of the electrocardiosignal is sent to the upper of corresponding magnetic resonance ecg-gating system by communication unit 13
Machine.
It is illustrated in figure 2 the relational graph of ECG signal Yu PPG signal, as shown in Figure 2, the cycle T 1 and ECG of PPG signal are believed
Number cycle T 2 it is equal, by the trigger delay timing definition of the wave crest of pulse signal and the R wave of electrocardiosignal be PWTT, then will
The peak pulse of PPG signal carries out TdelayDelay after the R wave impulse of next upcoming ECG signal can be obtained,
In, Tdelay=T1-PWTT.
A kind of wearable device provided in an embodiment of the present invention is applied in magnetic resonance ecg-gating system, is believed using PPG
Number and ECG signal period is equal, the wave crest of R wave impulse of ECG signal and PPG signal has and postpones this physical feature, pass through
The PPG signal of wearable device collecting test person obtains the R wave impulse of ECG signal after delay, and it is total to be sent to corresponding magnetic
Vibration ecg-gating system can meet the magnetic resonance ecg-gating system and obtain triggered time demand, the wearable device structure letter
It is single, cheap and easy to operate, state of the tester without keeping front patch electrode in the detection process.
Embodiment 1
Embodiment 1 provided by the invention is a kind of embodiment of wearable device provided by the invention, the wearable device 1
It can be to be set as common bracelet shape, be worn on the wrist of tester, may be set to be other shapes, correspondence is worn
The position of PPG signal can be acquired in other of tester by wearing.
The wearable device 1 includes PPG signal acquisition unit 11, the R wave impulse construction unit 12 of electrocardiosignal and communication
Unit 13.
The R wave impulse construction unit 12 of electrocardiosignal generates after being delayed to PPG signal according to the delay duration of setting
The R wave impulse of electrocardiosignal.
Specifically, in view of the delay duration of the R wave impulse of the wave crest and ECG signal of PPG signal has individual sex differernce,
The delay duration of setting in the R wave impulse construction unit 12 of the electrocardiosignal is adjustable.
Further, in order to improve the R wave arteries and veins of the electrocardiosignal that the R wave impulse construction unit 12 of the electrocardiosignal generates
Precision, delay duration TdelayThe PPG signal and ECG that real-time synchronization acquires before can carrying out magnetic resonance examination according to tester
Signal is adjusted in real time, Tdelay=T1-PWTT, wherein T1 is the period of the PPG signal of the tester acquired in real time, PWTT
For the trigger delay time of the R wave of the wave crest and ECG signal of the PPG signal of the tester acquired in real time.
Further, which is wearable bracelet, which further includes ECG signal acquisition unit
14 and delay duration calculating storaging unit 15, in specific test process, synchronous acquisition tester enters the PPG before Magnetic Resonance (MR) Room/ MRI Room
Signal and ECG signal, the wearable bracelet on the wrist band of one hand of tester, in addition the finger needs of a hand pin wearing
ECG signal acquisition unit 14 on formula bracelet carries out electrocardiosignal using current international wrist electrocardiogram acquisition mode
Acquisition；And sensor module is used, acquisition is synchronized to PPG signal.
PPG signal acquisition unit 11 and ECG signal acquisition unit 14 respectively include sensor module, filtering and amplifying circuit
With ADC acquisition module, it is acquired the PPG signal and ECG signal for being converted to tester respectively.
It is illustrated in figure 3 the partial circuit schematic diagram of delay duration calculating storaging unit provided in an embodiment of the present invention, by
Fig. 3 is it is found that delay duration calculating storaging unit 15 is synchronous with low-power consumption electrocardio monitoring ECG/PPG measurement AFE(analog front end) RT1025
It acquires PPG signal and ECG signal, in specific calculating process, mean value method can be used, be carried out after acquiring the T1 in multiple periods
Average computation obtains the average value of T1 and PWTT, then obtains T according to the mean value calculation of the T1 and PWTTdelayAnd it is deposited
Storage.
The delay duration calculating storaging unit 15 is connect with the R wave impulse construction unit 12 of electrocardiosignal, is electrocardiosignal
The delay duration that is delayed of R wave impulse construction unit 12 foundation is provided, making tester entering Magnetic Resonance (MR) Room/ MRI Room, to carry out magnetic total
Vibration need to only acquire PPG signal when checking, need to only be worn by wearable hand provided in an embodiment of the present invention in tester's checking process
Ring apparatus lies low, and no longer acquires the signal that ECG signal can be obtained the R wave impulse of ECG signal.
The R wave impulse of the electrocardiosignal is sent to the upper of corresponding magnetic resonance ecg-gating system by communication unit 13
Machine.
Preferably, a kind of wearable device provided in an embodiment of the present invention is by the R wave impulse construction unit 12 of electrocardiosignal
The electric signal of the R wave impulse of the electrocardiosignal of generation is then forwarded to corresponding magnetic resonance ecg-gating system after being converted to optical signal
Host computer, interference of the magnetic field in magnetic resonance system to electric signal transmission can be prevented.
Specifically, the communication unit 13 includes the first photoelectric conversion module 131, it is illustrated in figure 4 the embodiment of the present invention and mentions
The circuit diagram of the first photoelectric conversion module supplied, first photoelectric conversion module 131 generate R wave impulse construction unit 12
Electrocardiosignal R wave impulse electric signal be converted to optical signal after be sent to the upper of corresponding magnetic resonance ecg-gating system
Machine.
Embodiment 2
Embodiment 2 provided by the invention is a kind of magnetic resonance ecg-gating system based on wearable device provided by the invention
The embodiment of system, the magnetic resonance ecg-gating system include wearable device 1 provided in an embodiment of the present invention and host computer 2.It wears
It wears formula equipment 1 and the R wave impulse of the electrocardiosignal of generation is sent to the host computer 2.
Preferably, it is illustrated in figure 5 a kind of magnetic resonance electrocardio door based on wearable device provided in an embodiment of the present invention
The structural block diagram of control system is illustrated in figure 6 the flow chart of ecg-r wave pulse signal building provided in an embodiment of the present invention, by
Fig. 5 and Fig. 6 it is found that wearable device 1 communication unit 13 include the first photoelectric conversion module 131 when, the system further include with
The second photoelectric conversion module 3 that first photoelectric conversion module 131 is connected by optical fiber.
It is illustrated in figure 7 the circuit diagram of the second photoelectric conversion module provided in an embodiment of the present invention, the first photoelectricity turns
The electric signal of the R wave impulse of electrocardiosignal is converted to and is sent to the second photoelectric conversion by optical fiber after optical signal by mold changing block 131
The optical signal of the R wave impulse of electrocardiosignal is converted into electric signal and is sent to host computer 2 by module 3, the second photoelectric conversion module 3.
The host computer 2 is communicated with magnetic resonance scanning system, completes scanning and figure according to the R wave impulse of the electrocardiosignal of offer
As the process rebuild.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of wearable device, which is characterized in that the wearable device includes: PPG signal acquisition unit, electrocardiosignal
R wave impulse construction unit and communication unit；
The PPG signal of the PPG signal acquisition unit collecting test person, and the PPG signal is sent to the electrocardiosignal
R wave impulse construction unit；
The R wave impulse construction unit of the electrocardiosignal is raw after being delayed to the PPG signal according to the delay duration of setting
At the R wave impulse of electrocardiosignal；
The R wave impulse of the electrocardiosignal is sent to the upper of corresponding magnetic resonance ecg-gating system by the communication unit
Machine.
2. wearable device according to claim 1, which is characterized in that the R wave impulse construction unit of the electrocardiosignal
The delay duration of middle setting is adjustable.
3. wearable device according to claim 1, which is characterized in that the delay duration TdelayAccording to the tester
The PPG signal and ECG signal that real-time synchronization acquires before carrying out magnetic resonance examination are adjusted in real time:
Tdelay=T1-PWTT；
Wherein, T1 is the PPG signal period of the tester acquired in real time, and PWTT is the tester's acquired in real time
The trigger delay time of PPG signal wave crest and ECG signal R wave.
4. wearable device according to claim 3, which is characterized in that the wearable device further includes that ECG signal is adopted
Collect unit and delay duration calculating storaging unit；
Tester described in the ECG signal acquisition unit and PPG signal acquisition unit difference synchronous acquisition carries out magnetic resonance
PPG signal and ECG signal before inspection；
The delay duration calculating storaging unit is calculated the delay duration of the tester and stores；
When the delay that the R wave impulse construction unit of the electrocardiosignal is stored according to the delay duration calculating storaging unit
The long R wave impulse for constructing the electrocardiosignal.
5. wearable device according to claim 3, which is characterized in that the wearable device is wearable bracelet；
Tester described in the ECG signal acquisition unit and PPG signal acquisition unit difference synchronous acquisition carries out magnetic resonance
When PPG signal and ECG signal before inspection, the wearable bracelet on the wrist band of one hand of the tester, in addition one
The finger of hand pins the ECG signal acquisition unit on the wearable bracelet.
6. wearable device according to claim 3, which is characterized in that the delay duration calculating storaging unit acquisition is more
Average computation is carried out after T1 and PWTT in a period and obtains the average value of T1 and PWTT, according to the average value of the T1 and PWTT
The delay duration T is calculateddelayAnd it is stored.
7. wearable device according to claim 1, which is characterized in that the communication unit includes the first photoelectric conversion mould
Block；
The electricity of the R wave impulse for the electrocardiosignal that first photoelectric conversion module generates the R wave impulse construction unit
Signal is converted to the host computer that the corresponding magnetic resonance ecg-gating system is sent to after optical signal.
8. a kind of magnetic resonance ecg-gating system based on wearable device, which is characterized in that magnetic resonance ecg-gating system
System includes such as described in any item wearable devices of claim 1-7, and the magnetic resonance ecg-gating system further includes host computer；
The R wave impulse of the electrocardiosignal of generation is sent to the host computer by the wearable device.
9. magnetic resonance ecg-gating system as claimed in claim 8, which is characterized in that the communication of the wearable device
When unit includes the first photoelectric conversion module, the magnetic resonance ecg-gating system further includes and first photoelectric conversion module
The second photoelectric conversion module connected by optical fiber；
The electric signal of the R wave impulse of electrocardiosignal is converted to and is sent after optical signal by optical fiber by first photoelectric conversion module
To second photoelectric conversion module, the optical signal of the R wave impulse of electrocardiosignal is converted by second photoelectric conversion module
Electric signal is sent to the host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563235.4A CN110269618B (en) | 2019-06-26 | 2019-06-26 | Wearable device and magnetic resonance electrocardiogram gate control system based on wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910563235.4A CN110269618B (en) | 2019-06-26 | 2019-06-26 | Wearable device and magnetic resonance electrocardiogram gate control system based on wearable device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110269618A true CN110269618A (en) | 2019-09-24 |
| CN110269618B CN110269618B (en) | 2020-09-25 |
Family
ID=67963394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910563235.4A Active CN110269618B (en) | 2019-06-26 | 2019-06-26 | Wearable device and magnetic resonance electrocardiogram gate control system based on wearable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110269618B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4122386A1 (en) * | 2021-07-20 | 2023-01-25 | Koninklijke Philips N.V. | Synchronisation system with trigger delay |
| WO2023087818A1 (en) * | 2021-11-18 | 2023-05-25 | 荣耀终端有限公司 | Photoplethysmography (ppg)-based terminal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02224740A (en) * | 1989-02-28 | 1990-09-06 | Yokogawa Medical Syst Ltd | Magnetic resonance image photographing device |
| CN101904746A (en) * | 2009-06-08 | 2010-12-08 | 株式会社东芝 | MR imaging apparatus |
| CN102008300A (en) * | 2010-12-10 | 2011-04-13 | 吉林大学 | Wearable multiple physiological parameter recording device |
| CN108309267A (en) * | 2018-01-14 | 2018-07-24 | 深圳市舟海科技有限公司 | A kind of monitoring method and device of cardiovascular health |
| CN108309353A (en) * | 2016-12-01 | 2018-07-24 | 美国西门子医疗解决公司 | Heart rate auxiliary for carrying out phase determination in ultrasonic cardiography |
| CN109069031A (en) * | 2016-10-20 | 2018-12-21 | 京东方科技集团股份有限公司 | For determining the device and method of object blood pressure |
-
2019
- 2019-06-26 CN CN201910563235.4A patent/CN110269618B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02224740A (en) * | 1989-02-28 | 1990-09-06 | Yokogawa Medical Syst Ltd | Magnetic resonance image photographing device |
| CN101904746A (en) * | 2009-06-08 | 2010-12-08 | 株式会社东芝 | MR imaging apparatus |
| CN102008300A (en) * | 2010-12-10 | 2011-04-13 | 吉林大学 | Wearable multiple physiological parameter recording device |
| CN109069031A (en) * | 2016-10-20 | 2018-12-21 | 京东方科技集团股份有限公司 | For determining the device and method of object blood pressure |
| CN108309353A (en) * | 2016-12-01 | 2018-07-24 | 美国西门子医疗解决公司 | Heart rate auxiliary for carrying out phase determination in ultrasonic cardiography |
| CN108309267A (en) * | 2018-01-14 | 2018-07-24 | 深圳市舟海科技有限公司 | A kind of monitoring method and device of cardiovascular health |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4122386A1 (en) * | 2021-07-20 | 2023-01-25 | Koninklijke Philips N.V. | Synchronisation system with trigger delay |
| WO2023001606A1 (en) * | 2021-07-20 | 2023-01-26 | Koninklijke Philips N.V. | Synchronisation system with trigger delay |
| WO2023087818A1 (en) * | 2021-11-18 | 2023-05-25 | 荣耀终端有限公司 | Photoplethysmography (ppg)-based terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110269618B (en) | 2020-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10426411B2 (en) | System and method for providing a real-time signal segmentation and fiducial points alignment framework | |
| Ramos-Castro et al. | Heart rate variability analysis using a seismocardiogram signal | |
| US20180353139A1 (en) | Method for generating a medical data set of a moving body part | |
| US10667724B2 (en) | System and method for continuous background heartrate and heartbeat events detection using a motion sensor | |
| US20010025139A1 (en) | Multivariate cardiac monitor | |
| JP5542495B2 (en) | Magnetic resonance imaging system | |
| KR20040071643A (en) | Method for synchronizing magnetic resonance imaging data to body motion | |
| EP3413075A1 (en) | Mri involving the generation of a physiological motion signal using a pilot tone navigator | |
| US10285650B2 (en) | Heart monitoring device and method | |
| CN102488508B (en) | Heart rate measuring method based on image capture | |
| CN110269618A (en) | A kind of wearable device and the magnetic resonance ecg-gating system based on wearable device | |
| US7389136B2 (en) | Method and system using a non-electrical sensor for gating | |
| US20100191095A1 (en) | Process, device and system for reducing the artifacts that affect electrophysiological signals and that are due to electromagnetic fields | |
| CN110801212B (en) | BCG signal heart rate extraction method based on neural network | |
| JP3992973B2 (en) | Acquisition of freely breathing MR images with high temporal resolution | |
| CN106175678A (en) | A kind of radio electrocardiographicmonitoring monitoring method towards sleep analysis, system and monitoring clothing | |
| CN110680307A (en) | Dynamic blood pressure monitoring method based on pulse wave conduction time in exercise environment | |
| Li et al. | An improvement for video-based heart rate variability measurement | |
| EP2630909A1 (en) | Reducing noise in magnetic resonance imaging using conductive loops | |
| CN108742572A (en) | blood pressure monitoring device, method and system | |
| Ladrova et al. | Monitoring and synchronization of cardiac and respiratory traces in magnetic resonance imaging: a review | |
| CN109480813B (en) | Non-contact heart rate detection method based on BCG principle | |
| CN108392176A (en) | A kind of Sleep architecture detection method based on the acquisition of heart impact signal | |
| Jhuang et al. | A patch-sized wearable ECG/respiration recording platform with DSP capability | |
| CN211432866U (en) | Synchronous acquisition device for cardiac shock, electrocardio and fingertip pulse waves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Junfeng Inventor after: Zhang Jiaqi Inventor after: Dang Xin Inventor after: Tian Hongjun Inventor after: Deng Chunping Inventor after: Rong Fanwen Inventor after: Chen Junbo Inventor after: Zhang Chong Inventor after: Zhang Xu Inventor before: Gao Junfeng Inventor before: Dang Xin Inventor before: Tian Hongjun Inventor before: Deng Chunping Inventor before: Rong Fanwen Inventor before: Chen Junbo Inventor before: Zhang Chong Inventor before: Zhang Xu |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |