ZA200407036B - Vascular impedance measurement apparatus. - Google Patents
Vascular impedance measurement apparatus. Download PDFInfo
- Publication number
- ZA200407036B ZA200407036B ZA200407036A ZA200407036A ZA200407036B ZA 200407036 B ZA200407036 B ZA 200407036B ZA 200407036 A ZA200407036 A ZA 200407036A ZA 200407036 A ZA200407036 A ZA 200407036A ZA 200407036 B ZA200407036 B ZA 200407036B
- Authority
- ZA
- South Africa
- Prior art keywords
- ocular
- intra
- pressure
- velocity
- waveform
- Prior art date
Links
- 230000002792 vascular Effects 0.000 title claims abstract description 35
- 238000002847 impedance measurement Methods 0.000 title description 2
- 230000004410 intraocular pressure Effects 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 28
- 230000017531 blood circulation Effects 0.000 claims abstract description 24
- 230000004087 circulation Effects 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 238000001727 in vivo Methods 0.000 claims abstract description 5
- 230000000541 pulsatile effect Effects 0.000 claims description 22
- 210000001367 artery Anatomy 0.000 claims description 20
- 239000008280 blood Substances 0.000 claims description 18
- 210000004369 blood Anatomy 0.000 claims description 18
- 230000008859 change Effects 0.000 claims description 16
- 238000002604 ultrasonography Methods 0.000 claims description 12
- 230000004089 microcirculation Effects 0.000 claims description 8
- 230000000241 respiratory effect Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000009530 blood pressure measurement Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 2
- 201000010099 disease Diseases 0.000 description 6
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 6
- 210000001636 ophthalmic artery Anatomy 0.000 description 6
- 230000000747 cardiac effect Effects 0.000 description 5
- 230000005856 abnormality Effects 0.000 description 4
- 230000004872 arterial blood pressure Effects 0.000 description 4
- 206010012601 diabetes mellitus Diseases 0.000 description 4
- 230000001435 haemodynamic effect Effects 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 3
- 210000002565 arteriole Anatomy 0.000 description 3
- 210000004087 cornea Anatomy 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003205 diastolic effect Effects 0.000 description 3
- 230000002526 effect on cardiovascular system Effects 0.000 description 3
- 230000003534 oscillatory effect Effects 0.000 description 3
- 230000036581 peripheral resistance Effects 0.000 description 3
- 230000004219 arterial function Effects 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 230000007211 cardiovascular event Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 230000001771 impaired effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000006441 vascular event Effects 0.000 description 2
- 239000004429 Calibre Substances 0.000 description 1
- 206010007559 Cardiac failure congestive Diseases 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 102000008186 Collagen Human genes 0.000 description 1
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- 206010061818 Disease progression Diseases 0.000 description 1
- 102000016942 Elastin Human genes 0.000 description 1
- 108010014258 Elastin Proteins 0.000 description 1
- 206010019280 Heart failures Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
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- 238000013459 approach Methods 0.000 description 1
- 210000001742 aqueous humor Anatomy 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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- CMHHMUWAYWTMGS-UHFFFAOYSA-N oxybuprocaine Chemical compound CCCCOC1=CC(C(=O)OCCN(CC)CC)=CC=C1N CMHHMUWAYWTMGS-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
-
- 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
- A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/13—Tomography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/16—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Hematology (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Ophthalmology & Optometry (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0208945.6A GB0208945D0 (en) | 2002-04-19 | 2002-04-19 | Vascular impedance measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200407036B true ZA200407036B (en) | 2005-06-29 |
Family
ID=9935114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200407036A ZA200407036B (en) | 2002-04-19 | 2004-09-02 | Vascular impedance measurement apparatus. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US20050197571A1 (de) |
| EP (1) | EP1496793B1 (de) |
| JP (1) | JP2005523064A (de) |
| KR (1) | KR20040102124A (de) |
| CN (1) | CN1646053A (de) |
| AT (1) | ATE335434T1 (de) |
| AU (1) | AU2003224299A1 (de) |
| CA (1) | CA2478091A1 (de) |
| DE (1) | DE60307448T2 (de) |
| GB (1) | GB0208945D0 (de) |
| NZ (1) | NZ535047A (de) |
| WO (1) | WO2003088829A2 (de) |
| ZA (1) | ZA200407036B (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0502384D0 (en) * | 2005-02-04 | 2005-03-16 | Instrumedical Ltd | Electro-surgical needle apparatus |
| CA2738976A1 (en) * | 2008-10-01 | 2010-04-08 | Irumedi Co., Ltd. | Cardiovascular analyzer |
| US8920335B2 (en) * | 2010-09-01 | 2014-12-30 | Alcon Research, Ltd. | Methods and systems for posterior segment volume measurement |
| US20140236002A1 (en) * | 2011-10-17 | 2014-08-21 | University Of Washington Through Its Center For Commercialization | Methods and Systems for Imaging Tissue Motion Using Optical Coherence Tomography |
| US9144459B2 (en) | 2012-07-19 | 2015-09-29 | Cook Medical Technologies Llc | Endoscopic ultrasound ablation needle |
| WO2014027293A2 (en) * | 2012-08-10 | 2014-02-20 | Vita-Sentry Ltd. | Estimations of equivalent inner diameter of arterioles |
| US9642525B2 (en) | 2013-11-22 | 2017-05-09 | Johnson & Johnson Vision Care, Inc. | Ophthalmic lens with retinal vascularization monitoring system |
| JP6484787B2 (ja) * | 2014-12-19 | 2019-03-20 | 学校法人 関西大学 | 診断支援装置及びコンピュータプログラム |
| WO2016134753A1 (en) * | 2015-02-24 | 2016-09-01 | Oculox Technology Sagl | Ocular pressure sensor |
| US11202575B2 (en) | 2015-10-14 | 2021-12-21 | Koninklijke Philips N.V. | Apparatus for characterizing a vessel wall |
| WO2019232575A1 (en) * | 2018-06-05 | 2019-12-12 | Cylite Pty Ltd | Apparatus and method for in-vivo measurement of corneal biomechanical response |
| CN114743638A (zh) * | 2022-03-03 | 2022-07-12 | 福州大学 | 基于多维度模型的推拿功效仿真模拟方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040006488A1 (en) * | 2000-09-29 | 2004-01-08 | Simon Fitall | Creation of a database containing personal health care profiles |
-
2002
- 2002-04-19 GB GBGB0208945.6A patent/GB0208945D0/en not_active Ceased
-
2003
- 2003-04-22 CN CNA038088150A patent/CN1646053A/zh active Pending
- 2003-04-22 KR KR10-2004-7016726A patent/KR20040102124A/ko not_active Application Discontinuation
- 2003-04-22 US US10/512,021 patent/US20050197571A1/en not_active Abandoned
- 2003-04-22 NZ NZ535047A patent/NZ535047A/xx unknown
- 2003-04-22 DE DE60307448T patent/DE60307448T2/de not_active Expired - Fee Related
- 2003-04-22 AU AU2003224299A patent/AU2003224299A1/en not_active Abandoned
- 2003-04-22 CA CA002478091A patent/CA2478091A1/en not_active Abandoned
- 2003-04-22 WO PCT/GB2003/001729 patent/WO2003088829A2/en active IP Right Grant
- 2003-04-22 JP JP2003585584A patent/JP2005523064A/ja active Pending
- 2003-04-22 AT AT03720724T patent/ATE335434T1/de not_active IP Right Cessation
- 2003-04-22 EP EP03720724A patent/EP1496793B1/de not_active Expired - Lifetime
-
2004
- 2004-09-02 ZA ZA200407036A patent/ZA200407036B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2478091A1 (en) | 2003-10-30 |
| AU2003224299A1 (en) | 2003-11-03 |
| DE60307448D1 (de) | 2006-09-21 |
| NZ535047A (en) | 2006-03-31 |
| ATE335434T1 (de) | 2006-09-15 |
| EP1496793B1 (de) | 2006-08-09 |
| KR20040102124A (ko) | 2004-12-03 |
| WO2003088829A3 (en) | 2003-12-04 |
| DE60307448T2 (de) | 2007-02-15 |
| CN1646053A (zh) | 2005-07-27 |
| US20050197571A1 (en) | 2005-09-08 |
| EP1496793A2 (de) | 2005-01-19 |
| GB0208945D0 (en) | 2002-05-29 |
| WO2003088829A2 (en) | 2003-10-30 |
| JP2005523064A (ja) | 2005-08-04 |
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