WO2009128903A3 - Method to detect transmissible spongiform encephalopathies via electroretinogram - Google Patents
Method to detect transmissible spongiform encephalopathies via electroretinogram Download PDFInfo
- Publication number
- WO2009128903A3 WO2009128903A3 PCT/US2009/002325 US2009002325W WO2009128903A3 WO 2009128903 A3 WO2009128903 A3 WO 2009128903A3 US 2009002325 W US2009002325 W US 2009002325W WO 2009128903 A3 WO2009128903 A3 WO 2009128903A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wave
- electroretinogram
- transmissible spongiform
- livestock
- waveform
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/398—Electrooculography [EOG], e.g. detecting nystagmus; Electroretinography [ERG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
- A61B5/4088—Diagnosing of monitoring cognitive diseases, e.g. Alzheimer, prion diseases or dementia
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/40—Animals
Abstract
Disclosed is a method for identifying transmissible spongiform encephalopathy in livestock via an electroretinogram, the method comprises producing a biphasic electroretinogram waveform having an a-wave and b-wave from livestock retina in response to photic stimulus, measuring the amplitude of the b-wave, wherein the amplitude is measured from the trough of the a-wave to the peak of the b-wave, measuring the implicit time of the b-wave, wherein the implicit time is measured from onset of photic stimulus to b-wave peak; and comparing said produced waveform to a comparative waveform of livestock known not to have transmissible spongiform encephalopathy, wherein the produced waveform having a decrease b-wave amplitude and increased b-wave implicit time being indicative of livestock having transmissible spongiform encephalopathy.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4500008P | 2008-04-15 | 2008-04-15 | |
US61/045,000 | 2008-04-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009128903A2 WO2009128903A2 (en) | 2009-10-22 |
WO2009128903A3 true WO2009128903A3 (en) | 2010-02-18 |
Family
ID=41163713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2009/002325 WO2009128903A2 (en) | 2008-04-15 | 2009-04-14 | Method to detect transmissible spongiform encephalopathies via electroretinogram |
Country Status (2)
Country | Link |
---|---|
US (1) | US8128227B2 (en) |
WO (1) | WO2009128903A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9071834B2 (en) * | 2009-04-25 | 2015-06-30 | James Yett | Array of individually angled mirrors reflecting disparate color sources toward one or more viewing positions to construct images and visual effects |
DK2956056T3 (en) * | 2013-03-14 | 2019-09-16 | Univ Laval | ELECTRORETINOGRAPHY SYSTEM (ERG) FOR ASSESSMENT OF PSYCHIATRIC DISORDERS |
WO2021189144A1 (en) * | 2020-03-26 | 2021-09-30 | Diamentis Inc. | Systems and methods for processing retinal signal data and identifying conditions |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070059297A1 (en) * | 2005-08-04 | 2007-03-15 | Nestec, S.A. | Methods and compositions for improving visual acuity |
US20070224694A1 (en) * | 2006-02-10 | 2007-09-27 | Puchalski Daniel M | Method and system for hyperspectral detection of animal diseases |
US20080058655A1 (en) * | 2006-08-19 | 2008-03-06 | Severns Matthew L | Device to monitor retinal ischemia |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH633952A5 (en) * | 1980-03-14 | 1983-01-14 | Grounauer Pierre Alain | DEVICE FOR MEASURING THE ELECTRIC POTENTIALS OF THE EYE. |
JPH02167133A (en) * | 1987-03-28 | 1990-06-27 | Toyo Medical Kk | Method for measuring waveform of cornea potential chart |
US4874237A (en) * | 1987-05-07 | 1989-10-17 | Lions Eye Inst. Of Western Australia | Electroretinogram apparatus |
US6198532B1 (en) * | 1991-02-22 | 2001-03-06 | Applied Spectral Imaging Ltd. | Spectral bio-imaging of the eye |
US5539482A (en) * | 1992-02-28 | 1996-07-23 | The Australian National University | Glaucoma testing using non-linear systems identification techniques |
US5382987A (en) * | 1992-05-22 | 1995-01-17 | Board Of Regents, The University Of Texas System | Device for ERG spectral perimetry |
-
2009
- 2009-04-14 WO PCT/US2009/002325 patent/WO2009128903A2/en active Application Filing
- 2009-04-14 US US12/423,046 patent/US8128227B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070059297A1 (en) * | 2005-08-04 | 2007-03-15 | Nestec, S.A. | Methods and compositions for improving visual acuity |
US20070224694A1 (en) * | 2006-02-10 | 2007-09-27 | Puchalski Daniel M | Method and system for hyperspectral detection of animal diseases |
US20080058655A1 (en) * | 2006-08-19 | 2008-03-06 | Severns Matthew L | Device to monitor retinal ischemia |
Also Published As
Publication number | Publication date |
---|---|
US20090257023A1 (en) | 2009-10-15 |
WO2009128903A2 (en) | 2009-10-22 |
US8128227B2 (en) | 2012-03-06 |
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