Pulse oximetry device and method of operating a pulse oximetry device
First Claim
1. A pulse oximetry device comprising:
- a light emission device configured to emit light with a wavelength in a first wavelength interval and light with a wavelength in a second wavelength interval,a first light detector configured to detect light with the wavelength in the first wavelength interval, but not to respond to light with the wavelength in the second wavelength interval, anda second light detector configured to detect the light with the wavelength in the first wavelength interval and detect the light with the wavelength in the second wavelength interval,wherein the first light detector has a first light reception surface, the second light detector has a second light reception surface, andthe first light reception surface and the second light reception surface are arranged in a common plane and are interleaved with one another.
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Accused Products
Abstract
A pulse oximetry device includes a light emission device configured to emit light with a wavelength in a first wavelength interval and light with a wavelength in a second wavelength interval, a first light detector configured to detect light with a wavelength in the first wavelength interval, but not to respond to light with a wavelength in the second wavelength interval, and a second light detector configured to detect light with a wavelength in the first wavelength interval and detect light with a wavelength in the second wavelength interval, wherein the first light detector has a first light reception surface, the second light detector has a second light reception surface, and the first light reception surface and the second light reception surface are arranged in a common plane and are interleaved with one another.
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Citations
17 Claims
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1. A pulse oximetry device comprising:
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a light emission device configured to emit light with a wavelength in a first wavelength interval and light with a wavelength in a second wavelength interval, a first light detector configured to detect light with the wavelength in the first wavelength interval, but not to respond to light with the wavelength in the second wavelength interval, and a second light detector configured to detect the light with the wavelength in the first wavelength interval and detect the light with the wavelength in the second wavelength interval, wherein the first light detector has a first light reception surface, the second light detector has a second light reception surface, and the first light reception surface and the second light reception surface are arranged in a common plane and are interleaved with one another. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of operating a pulse oximetry device comprising:
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emitting light with a wavelength in a first wavelength interval and simultaneously emitting light with a wavelength in a second wavelength interval; recording a first measurement signal with a first light detector configured to detect the light with the wavelength in the first wavelength interval, but not to respond to the light with the wavelength in the second wavelength interval; recording a second measurement signal with a second light detector configured to detect the light with the wavelength in the first wavelength interval and detect the light with the wavelength in the second wavelength interval, wherein the first light detector has a first light reception surface, the second light detector has a second light reception surface, and the first light reception surface and the second light reception surface are arranged in a common plane and are interleaved with one another; and calculating an oxygen saturation from the first measurement signal and the second measurement signal. - View Dependent Claims (16, 17)
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Specification