Physiological sensor with offset adhesive layer
First Claim
Patent Images
1. A sensor comprising:
- a sensor pad defining a perimeter and having a patient surface configured to be applied adjacent to a patient'"'"'s skin, said patient surface being substantially free of adhesive;
a light source disposed on the sensor pad and configured to generate near-infrared light and transmit the near-infrared light through part of a patient'"'"'s body;
a light detector disposed on the sensor pad and configured to receive near-infrared light generated by the light source after it has traveled through part of the patient'"'"'s body, wherein the light received by the light detector indicates an amount of oxygen in the part of the patient'"'"'s body through which the near-infrared light traveled;
a cable extending from the perimeter of the sensor pad; and
an adhesive layer disposed on the sensor pad, wherein one part of the adhesive layer extends beyond the perimeter of the sensor pad and another part of the adhesive layer at a location spaced from the cable does not extend beyond the perimeter of the sensor pad.
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Abstract
An exemplary sensor includes a sensor pad defining a perimeter, a light source, a light detector, and an adhesive layer. The light source is configured to generate near-infrared light and transmit the near-infrared light through part of a patient'"'"'s body. The light detector is configured to receive the near-infrared light generated by the light source after it has traveled through part of the patient'"'"'s body. The light received by the light detector indicates an amount of oxygen in the part of the patient'"'"'s body through which the near-infrared light traveled. The adhesive layer is offset relative to the sensor pad to, for example, allow a clinician to easily remove the sensor from the patient.
34 Citations
21 Claims
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1. A sensor comprising:
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a sensor pad defining a perimeter and having a patient surface configured to be applied adjacent to a patient'"'"'s skin, said patient surface being substantially free of adhesive; a light source disposed on the sensor pad and configured to generate near-infrared light and transmit the near-infrared light through part of a patient'"'"'s body; a light detector disposed on the sensor pad and configured to receive near-infrared light generated by the light source after it has traveled through part of the patient'"'"'s body, wherein the light received by the light detector indicates an amount of oxygen in the part of the patient'"'"'s body through which the near-infrared light traveled; a cable extending from the perimeter of the sensor pad; and an adhesive layer disposed on the sensor pad, wherein one part of the adhesive layer extends beyond the perimeter of the sensor pad and another part of the adhesive layer at a location spaced from the cable does not extend beyond the perimeter of the sensor pad. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A sensor comprising:
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a sensor pad having a top layer having a light blocking material and a bottom layer at least partially defining a perimeter of the sensor pad, said bottom layer having a patient surface configured to be applied adjacent to a patient'"'"'s skin, said patient surface being substantially free of adhesive; a cable extending from the sensor pad; a light source disposed on the sensor pad between the top layer and the bottom layer and configured to generate near-infrared light and transmit the near-infrared light through part of a patient'"'"'s body; a light detector disposed on the sensor pad between the top layer and the bottom layer and configured to receive near-infrared light generated by the light source after it has traveled through part of the patient'"'"'s body, wherein the light received by the light detector indicates an amount of oxygen in the part of the patient'"'"'s body through which the near-infrared light traveled; and an adhesive layer disposed on the top layer and spaced from the bottom layer, wherein the adhesive layer is offset relative to the bottom layer of the sensor pad such that one part of the adhesive layer extends beyond the perimeter defined by the bottom layer and wherein another part of the adhesive layer at a location spaced from the cable does not extend beyond the perimeter of the sensor pad. - View Dependent Claims (19, 20, 21)
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Specification