Integrated fiber optic sensor umbilical catheter
AssigneesLos Angeles Biomedical Research Institute at Harbor-UCLA Medical Center, Intelligent Optical Systems, Inc.
InventorsVirender Rehan, Jesus Delgado
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Abstract
Embodiments described herein relate to a catheter configured to detect at least one blood gas parameter present in blood in an artery of a patient, including, but not limited to, a catheter wall forming at least one lumen configured for umbilical arterial catheterization, at least one optical fiber incorporated in the catheter wall, wherein the at least one optical fiber is configured to detected the at least one blood gas parameter.
Claims24
A catheter for a system configured to detect at least one blood gas parameter present in blood in an artery of a patient, the catheter comprising:
- a catheter wall forming at least one lumen configured for umbilical arterial catheterization, the catheter wall forming a plurality of channels, each channel being open on a side of the catheter wall along at least a portion of a length dimension of catheter;
- and
- at least one optical fiber in each channel of the catheter wall;
- and
- a permeable membrane covering the open side of the catheter wall and each optical fiber;
- wherein at least one blood gas parameter sensor is included in each optical fiber and is configured to sense the at least one blood gas parameter;
- and
- wherein the at least one optical fiber comprises a plurality of optical fibers in each of the channels, including at least two optical fibers tuned for respectively different blood gas parameters in each of the channels.
A method for making a catheter configured to detect at least one blood gas parameter present in blood in an artery of a patient, the method comprising:
- providing a catheter wall having at least one lumen configured for umbilical arterial catheterization, and a plurality of channels, each channel being open on a side of the catheter wall along at least a portion of a length dimension of catheter;
- providing at least one optical fiber in each channel of the catheter wall;
- covering the open side of the catheter wall and each optical fiber with a permeable membrane;
- and
- providing at least one blood gas parameter sensor in each optical fiber, wherein the at least one blood gas parameter sensor is configured to sense the at least one blood gas parameter;
- wherein providing the at least one optical fiber comprises providing a plurality of optical fibers in each of the channels, including at least two optical fibers tuned for respectively different blood gas parameters in each of the channels.
A method for measuring one or more blood gas parameters, comprising:
- inserting, into an artery of a patient, a catheter having a catheter wall forming a plurality of channels, each channel being open on a side of the catheter wall along at least a portion of a length dimension of catheter, at least one optical fiber in each channel of the catheter wall of the catheter, and a permeable membrane covering the open side of the catheter wall and each optical fiber, wherein a plurality of blood gas parameter sensors are arranged on a sensitive segment of the optical fiber;
- determining a sensed output from each of the plurality of blood gas parameter sensors for a blood gas parameter for blood present in the artery;
- and
- combining the sensed output from each of the plurality of blood gas parameter sensors into a single output;
- wherein the at least one optical fiber comprises a plurality of optical fibers in each of the channels, including at least two optical fibers tuned for respectively different blood gas parameters in each of the channels.
Dependencies are inferred from the claim text.