Method and composition for probing the body through the skin
First Claim
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1. A method for probing interior portions of a body through the skin, comprising applying a coupling medium to the skin, and coupling, through said medium, (a) an electrical signal, and at least one of (b) an optical signal and (c) an acoustic signal in which case said medium has an acoustic impedance of 1.5+/−
- 0.15 kg/s-m2.
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Abstract
A method and composition for probing the body through the skin. In one embodiment of the invention, the method includes providing a medium for interfacing with the skin, applying the medium to the skin at a selected location, and coupling at least two of (a) an electric signal, (b) an acoustic signal, and (c) an optical signal through the skin and through the medium at the selected location.
48 Citations
23 Claims
- 1. A method for probing interior portions of a body through the skin, comprising applying a coupling medium to the skin, and coupling, through said medium, (a) an electrical signal, and at least one of (b) an optical signal and (c) an acoustic signal in which case said medium has an acoustic impedance of 1.5+/−
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18. A composition for probing interior portions of a body through the skin, comprising a hydrogel having a minimum conductivity of about 1.0 (ohm-meter)−
- 1 and a refractive index of about 1.5+/−
0.15. - View Dependent Claims (19, 20, 21)
- 1 and a refractive index of about 1.5+/−
-
22. A composition for probing interior portions of a body through the skin, comprising a hydrogel having a minimum conductivity of about 1.0 (ohm-meter)−
- 1 and an acoustic impedance of 1.5+/−
0.15 kg/s-m2. - View Dependent Claims (23)
- 1 and an acoustic impedance of 1.5+/−
Specification