CA2490999A1 - Systems and methods for making noninvasive assessments of cardiac tissue and parameters - Google Patents
Systems and methods for making noninvasive assessments of cardiac tissue and parameters Download PDFInfo
- Publication number
- CA2490999A1 CA2490999A1 CA002490999A CA2490999A CA2490999A1 CA 2490999 A1 CA2490999 A1 CA 2490999A1 CA 002490999 A CA002490999 A CA 002490999A CA 2490999 A CA2490999 A CA 2490999A CA 2490999 A1 CA2490999 A1 CA 2490999A1
- Authority
- CA
- Canada
- Prior art keywords
- tissue
- acoustic
- target
- ultrasound
- mode
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 172
- 210000005003 heart tissue Anatomy 0.000 title abstract description 85
- 238000006073 displacement reaction Methods 0.000 claims abstract description 119
- 238000002604 ultrasonography Methods 0.000 claims abstract description 117
- 230000000747 cardiac effect Effects 0.000 claims abstract description 87
- 230000002107 myocardial effect Effects 0.000 claims abstract description 54
- 230000004872 arterial blood pressure Effects 0.000 claims description 54
- 230000036772 blood pressure Effects 0.000 claims description 45
- 230000005855 radiation Effects 0.000 claims description 37
- 230000008859 change Effects 0.000 claims description 26
- 238000003384 imaging method Methods 0.000 claims description 25
- 210000004204 blood vessel Anatomy 0.000 claims description 24
- 230000010355 oscillation Effects 0.000 claims description 22
- 230000001939 inductive effect Effects 0.000 claims description 11
- 230000001766 physiological effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000002123 temporal effect Effects 0.000 claims description 6
- 230000000241 respiratory effect Effects 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims 1
- 210000001519 tissue Anatomy 0.000 abstract description 238
- 230000002861 ventricular Effects 0.000 abstract description 66
- 230000006870 function Effects 0.000 abstract description 29
- 230000004044 response Effects 0.000 abstract description 18
- 230000001746 atrial effect Effects 0.000 abstract description 15
- 230000003205 diastolic effect Effects 0.000 abstract description 13
- 230000007574 infarction Effects 0.000 abstract description 9
- 208000031225 myocardial ischemia Diseases 0.000 abstract description 9
- 208000010125 myocardial infarction Diseases 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 62
- 210000004369 blood Anatomy 0.000 description 45
- 239000008280 blood Substances 0.000 description 45
- 210000004556 brain Anatomy 0.000 description 41
- 210000002216 heart Anatomy 0.000 description 28
- 238000003491 array Methods 0.000 description 23
- 238000001514 detection method Methods 0.000 description 23
- 238000002559 palpation Methods 0.000 description 22
- 239000000523 sample Substances 0.000 description 21
- 239000012530 fluid Substances 0.000 description 20
- 230000033001 locomotion Effects 0.000 description 18
- 206010052337 Diastolic dysfunction Diseases 0.000 description 17
- 230000008602 contraction Effects 0.000 description 17
- 210000005013 brain tissue Anatomy 0.000 description 15
- 230000001965 increasing effect Effects 0.000 description 14
- 210000002837 heart atrium Anatomy 0.000 description 13
- 238000012545 processing Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 10
- 210000001147 pulmonary artery Anatomy 0.000 description 10
- 230000017531 blood circulation Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 9
- 210000003205 muscle Anatomy 0.000 description 9
- 210000004165 myocardium Anatomy 0.000 description 9
- 230000008512 biological response Effects 0.000 description 8
- 238000003745 diagnosis Methods 0.000 description 8
- 230000003534 oscillatory effect Effects 0.000 description 8
- 210000005241 right ventricle Anatomy 0.000 description 8
- 235000015278 beef Nutrition 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- 238000002592 echocardiography Methods 0.000 description 7
- 238000000338 in vitro Methods 0.000 description 7
- 238000012285 ultrasound imaging Methods 0.000 description 7
- 210000001367 artery Anatomy 0.000 description 6
- 238000009530 blood pressure measurement Methods 0.000 description 6
- 238000007914 intraventricular administration Methods 0.000 description 6
- 208000028867 ischemia Diseases 0.000 description 6
- 210000005240 left ventricle Anatomy 0.000 description 6
- 210000004072 lung Anatomy 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 206010061216 Infarction Diseases 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 5
- 210000000038 chest Anatomy 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 230000000004 hemodynamic effect Effects 0.000 description 5
- 238000001727 in vivo Methods 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- 230000002269 spontaneous effect Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000002792 vascular Effects 0.000 description 5
- 210000003462 vein Anatomy 0.000 description 5
- JRWZLRBJNMZMFE-UHFFFAOYSA-N Dobutamine Chemical compound C=1C=C(O)C(O)=CC=1CCNC(C)CCC1=CC=C(O)C=C1 JRWZLRBJNMZMFE-UHFFFAOYSA-N 0.000 description 4
- 206010019280 Heart failures Diseases 0.000 description 4
- 206010020919 Hypervolaemia Diseases 0.000 description 4
- 206010021137 Hypovolaemia Diseases 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229960001089 dobutamine Drugs 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000036541 health Effects 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000009527 percussion Methods 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 230000003292 diminished effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000004064 dysfunction Effects 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 230000001976 improved effect Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000007726 management method Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 210000004115 mitral valve Anatomy 0.000 description 3
- 238000012806 monitoring device Methods 0.000 description 3
- 238000012014 optical coherence tomography Methods 0.000 description 3
- 238000001356 surgical procedure Methods 0.000 description 3
- 208000024891 symptom Diseases 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000012800 visualization Methods 0.000 description 3
- 238000011265 2D-echocardiography Methods 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 2
- 208000001953 Hypotension Diseases 0.000 description 2
- 208000009378 Low Cardiac Output Diseases 0.000 description 2
- 238000004497 NIR spectroscopy Methods 0.000 description 2
- 206010037368 Pulmonary congestion Diseases 0.000 description 2
- 206010037423 Pulmonary oedema Diseases 0.000 description 2
- 206010071436 Systolic dysfunction Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008321 arterial blood flow Effects 0.000 description 2
- 238000013528 artificial neural network Methods 0.000 description 2
- 230000010455 autoregulation Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 2
- 239000012620 biological material Substances 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000002490 cerebral effect Effects 0.000 description 2
- 230000004087 circulation Effects 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 238000002059 diagnostic imaging Methods 0.000 description 2
- 230000010339 dilation Effects 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000002526 effect on cardiovascular system Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000000302 ischemic effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 208000012866 low blood pressure Diseases 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 210000005171 mammalian brain Anatomy 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 230000002503 metabolic effect Effects 0.000 description 2
- 210000003657 middle cerebral artery Anatomy 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004118 muscle contraction Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000004962 physiological condition Effects 0.000 description 2
- 238000002600 positron emission tomography Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 208000005333 pulmonary edema Diseases 0.000 description 2
- 230000002685 pulmonary effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000008685 targeting Effects 0.000 description 2
- 230000000451 tissue damage Effects 0.000 description 2
- 231100000827 tissue damage Toxicity 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000035899 viability Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 206010003162 Arterial injury Diseases 0.000 description 1
- 201000001320 Atherosclerosis Diseases 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 206010048782 Breast calcifications Diseases 0.000 description 1
- 206010006187 Breast cancer Diseases 0.000 description 1
- 208000026310 Breast neoplasm Diseases 0.000 description 1
- 208000004434 Calcinosis Diseases 0.000 description 1
- 208000031229 Cardiomyopathies Diseases 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 206010008479 Chest Pain Diseases 0.000 description 1
- 208000028399 Critical Illness Diseases 0.000 description 1
- 208000000059 Dyspnea Diseases 0.000 description 1
- 206010013975 Dyspnoeas Diseases 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- 206010016803 Fluid overload Diseases 0.000 description 1
- 206010018092 Generalised oedema Diseases 0.000 description 1
- 241000282412 Homo Species 0.000 description 1
- 244000081841 Malus domestica Species 0.000 description 1
- 208000022873 Ocular disease Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 206010030124 Oedema peripheral Diseases 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 241000287181 Sturnus vulgaris Species 0.000 description 1
- 206010047139 Vasoconstriction Diseases 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 210000004712 air sac Anatomy 0.000 description 1
- 208000024783 anasarca Diseases 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000002567 autonomic effect Effects 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 239000013060 biological fluid Substances 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 230000002308 calcification Effects 0.000 description 1
- 230000030833 cell death Effects 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 210000001627 cerebral artery Anatomy 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002872 contrast media Substances 0.000 description 1
- 210000004351 coronary vessel Anatomy 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000035475 disorder Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229940124645 emergency medicine Drugs 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000001508 eye Anatomy 0.000 description 1
- 238000002594 fluoroscopy Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000010247 heart contraction Effects 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 210000001308 heart ventricle Anatomy 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000010874 in vitro model Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000000297 inotrophic effect Effects 0.000 description 1
- 239000004041 inotropic agent Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000968 intestinal effect Effects 0.000 description 1
- 238000007917 intracranial administration Methods 0.000 description 1
- 230000004410 intraocular pressure Effects 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 210000005246 left atrium Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 208000019423 liver disease Diseases 0.000 description 1
- 230000005976 liver dysfunction Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000663 muscle cell Anatomy 0.000 description 1
- 210000002464 muscle smooth vascular Anatomy 0.000 description 1
- 230000010016 myocardial function Effects 0.000 description 1
- 210000000107 myocyte Anatomy 0.000 description 1
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008560 physiological behavior Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000131 polyvinylidene Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 210000002307 prostate Anatomy 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 208000013220 shortness of breath Diseases 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 210000002460 smooth muscle Anatomy 0.000 description 1
- 206010041232 sneezing Diseases 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 208000037816 tissue injury Diseases 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000472 traumatic effect Effects 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
- 230000025033 vasoconstriction Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000007794 visualization technique Methods 0.000 description 1
- 210000004127 vitreous body Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 210000004885 white matter Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/485—Diagnostic techniques involving measuring strain or elastic properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
- A61B8/065—Measuring blood flow to determine blood output from the heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Clinical applications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Clinical applications
- A61B8/0883—Clinical applications for diagnosis of the heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4519—Muscles
-
- 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/503—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the heart
-
- 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/504—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of blood vessels, e.g. by angiography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/04—Measuring blood pressure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Clinical applications
- A61B8/0808—Clinical applications for diagnosis of the brain
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Clinical applications
- A61B8/0891—Clinical applications for diagnosis of blood vessels
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/42—Details of probe positioning or probe attachment to the patient
- A61B8/4209—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames
- A61B8/4236—Details of probe positioning or probe attachment to the patient by using holders, e.g. positioning frames characterised by adhesive patches
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39329302P | 2002-07-01 | 2002-07-01 | |
| US60/393,293 | 2002-07-01 | ||
| US47580303P | 2003-06-03 | 2003-06-03 | |
| US60/475,803 | 2003-06-03 | ||
| PCT/US2003/020764 WO2004002305A2 (en) | 2002-07-01 | 2003-07-01 | Systems and methods for making noninvasive assessments of cardiac tissue and parameters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2490999A1 true CA2490999A1 (en) | 2004-01-08 |
Family
ID=30003310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002490999A Abandoned CA2490999A1 (en) | 2002-07-01 | 2003-07-01 | Systems and methods for making noninvasive assessments of cardiac tissue and parameters |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1531725A4 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2005532097A (cg-RX-API-DMAC7.html) |
| AU (1) | AU2003280416A1 (cg-RX-API-DMAC7.html) |
| CA (1) | CA2490999A1 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2004002305A2 (cg-RX-API-DMAC7.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165901A (zh) * | 2018-05-29 | 2021-01-01 | 国立大学法人爱媛大学 | 计算机程序、图像处理装置、以及图像处理方法 |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006526487A (ja) * | 2003-06-03 | 2006-11-24 | アレズ フィジオニックス リミテッド | 非侵襲的に頭蓋内圧を決定するシステムおよび方法、並びにかかるシステムに用いられる音響トランスデューサアセンブリ |
| WO2005112772A2 (en) * | 2004-05-07 | 2005-12-01 | Johns Hopkins University | Ultrasound strain imaging in tissue therapies |
| US7573627B2 (en) | 2004-07-27 | 2009-08-11 | The George Washington University | Amplified bimorph scanning mirror, optical system and method of scanning |
| US7744535B2 (en) * | 2004-07-30 | 2010-06-29 | Wisconsin Alumni Research Foundation | Method and apparatus for acoustoelastic extraction of strain and material properties |
| EP1784129B1 (en) * | 2004-08-27 | 2011-05-25 | Verathon Inc. | Systems and methods for quantification and classification of fluids in human cavities in ultrasound images |
| FR2875695B1 (fr) * | 2004-09-28 | 2006-12-01 | Echosens Sa | Instrument de mesure de l'elasticite d'un organe du type comportant un moyen de centrage |
| US20060100518A1 (en) * | 2004-10-21 | 2006-05-11 | Sriram Krishnan | Automated diastolic function analysis with ultrasound |
| US8317714B2 (en) | 2005-08-19 | 2012-11-27 | Visualsonics Inc. | Systems and methods for capture and display of blood pressure and ultrasound data |
| US7999945B2 (en) | 2007-07-18 | 2011-08-16 | The George Washington University | Optical coherence tomography / acoustic radiation force imaging probe |
| US10492854B2 (en) | 2007-12-05 | 2019-12-03 | Biosense Webster, Inc. | Catheter-based acoustic radiation force impulse system |
| JP5159326B2 (ja) * | 2008-01-10 | 2013-03-06 | 株式会社東芝 | 超音波診断装置 |
| KR101060345B1 (ko) * | 2008-08-22 | 2011-08-29 | 삼성메디슨 주식회사 | Arfi를 이용하여 탄성영상을 형성하는 초음파 시스템 및 방법 |
| US9364194B2 (en) * | 2008-09-18 | 2016-06-14 | General Electric Company | Systems and methods for detecting regions of altered stiffness |
| WO2010125485A1 (en) * | 2009-05-01 | 2010-11-04 | Koninklijke Philips Electronics, N.V. | Acoustic medical imaging system and method of operation thereof |
| US9168021B2 (en) * | 2009-06-04 | 2015-10-27 | Super Sonic Imagine | Method and apparatus for measuring heart contractility |
| JP5927908B2 (ja) * | 2011-12-27 | 2016-06-01 | セイコーエプソン株式会社 | 血圧計測装置及び血圧計測装置の制御方法 |
| JP2013252423A (ja) * | 2012-05-08 | 2013-12-19 | Seiko Epson Corp | 心拍出量モニター装置および心拍出量測定方法 |
| WO2016009057A1 (en) * | 2014-07-17 | 2016-01-21 | Institut National De La Sante Et De La Recherche Medicale (Inserm) | Method for obtaining a functional parameter of a muscle |
| WO2016061587A1 (en) * | 2014-10-17 | 2016-04-21 | University Of Washington | Broadly focused ultrasonic propulsion probes, systems, and methods |
| CN107530046B (zh) * | 2015-01-15 | 2021-07-13 | 罗德尼·赫林 | 漫射声学共焦成像器 |
| GB201519985D0 (en) * | 2015-11-12 | 2015-12-30 | Respinor As | Ultrasonic method and apparatus for respiration monitoring |
| KR102624614B1 (ko) * | 2018-03-21 | 2024-01-15 | 삼성메디슨 주식회사 | 초음파 진단 장치 및 그 제어 방법 |
| US20220079550A1 (en) * | 2018-12-20 | 2022-03-17 | Koninklijke Philips N.V. | Methods and systems for monitoring a function of a heart |
| EP3685756A1 (en) * | 2019-01-24 | 2020-07-29 | Koninklijke Philips N.V. | Methods and systems for investigating blood vessel characteristics |
| CN119302683B (zh) * | 2024-08-23 | 2025-12-26 | 清华大学 | 基于剪切波力学成像的肌间压测量方法及装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5474070A (en) * | 1989-11-17 | 1995-12-12 | The Board Of Regents Of The University Of Texas System | Method and apparatus for elastographic measurement and imaging |
| US5524636A (en) * | 1992-12-21 | 1996-06-11 | Artann Corporation Dba Artann Laboratories | Method and apparatus for elasticity imaging |
| DE19524880C2 (de) * | 1994-07-15 | 2000-09-21 | Agilent Technologies Inc | Endokardiale Echtzeit-Ultraschallverschiebungsanzeige |
| WO1998055025A1 (en) * | 1997-06-02 | 1998-12-10 | Duke University | Kinetic acoustic ocular examination apparatus and method |
| US6352509B1 (en) * | 1998-11-16 | 2002-03-05 | Kabushiki Kaisha Toshiba | Three-dimensional ultrasonic diagnosis apparatus |
| US6352507B1 (en) * | 1999-08-23 | 2002-03-05 | G.E. Vingmed Ultrasound As | Method and apparatus for providing real-time calculation and display of tissue deformation in ultrasound imaging |
| US6527717B1 (en) * | 2000-03-10 | 2003-03-04 | Acuson Corporation | Tissue motion analysis medical diagnostic ultrasound system and method |
| US6328694B1 (en) * | 2000-05-26 | 2001-12-11 | Inta-Medics, Ltd | Ultrasound apparatus and method for tissue resonance analysis |
| JP2004520870A (ja) * | 2000-11-28 | 2004-07-15 | アレズ フィジオニックス リミテッド | 非侵襲的な生理学的評価システムおよびその方法 |
-
2003
- 2003-07-01 EP EP03742372A patent/EP1531725A4/en not_active Withdrawn
- 2003-07-01 JP JP2004518187A patent/JP2005532097A/ja active Pending
- 2003-07-01 AU AU2003280416A patent/AU2003280416A1/en not_active Abandoned
- 2003-07-01 CA CA002490999A patent/CA2490999A1/en not_active Abandoned
- 2003-07-01 WO PCT/US2003/020764 patent/WO2004002305A2/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112165901A (zh) * | 2018-05-29 | 2021-01-01 | 国立大学法人爱媛大学 | 计算机程序、图像处理装置、以及图像处理方法 |
| CN112165901B (zh) * | 2018-05-29 | 2024-04-05 | 国立大学法人爱媛大学 | 计算机可读记录介质、图像处理装置、以及图像处理方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1531725A4 (en) | 2009-02-04 |
| WO2004002305A2 (en) | 2004-01-08 |
| WO2004002305A3 (en) | 2004-03-04 |
| AU2003280416A1 (en) | 2004-01-19 |
| JP2005532097A (ja) | 2005-10-27 |
| AU2003280416A8 (en) | 2004-01-19 |
| EP1531725A2 (en) | 2005-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7815574B2 (en) | Systems and methods for determining blood pressure | |
| US6875176B2 (en) | Systems and methods for making noninvasive physiological assessments | |
| CA2490999A1 (en) | Systems and methods for making noninvasive assessments of cardiac tissue and parameters | |
| US20060079773A1 (en) | Systems and methods for making non-invasive physiological assessments by detecting induced acoustic emissions | |
| US6358208B1 (en) | Assessment of cardiovascular performance using ultrasound methods and devices that interrogate interstitial fluid | |
| US12402855B2 (en) | System and method for continuous non-invasive ultrasonic monitoring of blood vessels and central organs | |
| US7547283B2 (en) | Methods for determining intracranial pressure non-invasively | |
| Seo et al. | Noninvasive arterial blood pressure waveform monitoring using two-element ultrasound system | |
| JP3875581B2 (ja) | 超音波診断システム | |
| EP2392262A1 (en) | Methods and systems for locating and acoustically illuminating a desired target area | |
| US20220068481A1 (en) | Methods and system for obtaining a physiological measure from a subject | |
| US20210338093A1 (en) | Method and Apparatus for Noninvasive Absolute (Mean) Intracranial Pressure (A-ICP) Measurement and/or Monitoring | |
| US12245894B2 (en) | System and method for non-invasive real time assessment of cardiovascular blood pressure | |
| CN106963424A (zh) | 检测动脉血管粘弹性的系统及方法 | |
| EP4371475B1 (en) | Wireless measurement of intrabody dimensions for patient monitoring and diagnosis | |
| EP4464256A1 (en) | Elastography device and method | |
| Seo | A non-invasive central arterial pressure waveform estimation system using ultrasonography for real-time monitoring | |
| Gross | Measuring cardiac function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |
Effective date: 20130128 |