Method and apparatus for non-invasively monitoring concentrations of glucose or other target substances
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
May 10, 2005
filing date -
May 13, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A method and apparatus for non-invasively measuring concentration of a target substance such as glucose within a body by: activating a pulse source to apply to the body a series of pulses of energy highly absorbable by the target substance to generate, by the photoacoustic effect, a series of acoustic waves propagated through an acoustic channel in the body; detecting the acoustic waves to produce an electrical signal having a frequency corresponding to the frequency of the acoustic waves generated by the photoacoustic effect; controlling the pulse source to change the frequency at which the energy pulses are applied to the body such that the detector detects a whole integer number of wavelengths in the acoustic channel irrespective of variations in the target substance concentration within the body; and utilizing a measurement of the frequency, or change in frequency, of the pulses to produce a measurement of the concentration, or change in concentration, of the target substance.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully