Covidien LP

University of Colorado

Rudolph Technologies, Inc.

Jacob D Dove

Linden A Reustle

Sarah L Hayman

Derek L Moody

Shai Fleischer

Christopher J Meehan

Michael Kertser

Todd William Murray

Rafael Piestun

Jesper Svenning Kristensen

David J Miller

Michael Kotelyanskii

Robin Mair

Søren Aasmul

Manjusha Mehendale

Priya Mukundhan

Antonio Miguel Caravaca-Aguirre

William S Smith

Donald Conkey

Xueping Ru

Jonathan Cohen

Timothy Kryman

Hengyi Ju

Scott J Mcgonigle

Chekema N Prince

David M VandeRiet

Clark R Baker

Soren Aasmul

The present disclosure provides systems and methods for correcting for errors dependent upon spectral characteristics of tissue for a medical device by estimating a spectral characteristic of tissue providing error due to scattering or absorption of emitted light based upon a ratio of measurements for a patient.

System and method for correcting for errors dependent upon spectral characteristics of tissue

A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes a cable to flexible printed circuit board (PCB) connection that provides a reliable connection resistant to flex forces, water ingress and pull forces.

Sensor joint wrapping in a medical sensor

A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes a layer of material is provided over protruding components on the patient-side of the sensor to reduce the contact pressure of such protruding components.

Reduction of pressure from surface mount components in a medical sensor

A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes hydrophobic materials provided around the light-emitting diode and the detector, wherein the hydrophobic materials reduce water absorption and prevent bacterial growth within the sensor.

Hydrophobic materials in a medical sensor

A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes a silicone patient-side adhesive.

Silicone-based patient-side adhesive in a medical sensor

A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes an optically absorptive material at least partially between the LED and the detector to reduce or prevent shunting of light to the detector.

Optical shunt reduction using optically absorptive materials in a medical sensor

The present disclosure provides systems and methods for calibrating a medical device utilizing LED emission by characterizing the spectrum distribution of the LED emission and mapping such characterized spectrum distribution to calibration coefficients, e.g., gamma coefficients.

System and method for digitally calibrating a medical sensor

A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes a layer of material is provided over the LED on the patient-side of the sensor to reduce transmission of heat therefrom to the skin of the patient.

Reduction of temperature from high power LED in a medical sensor

An example device includes an elongated body defining a lumen, the elongated body comprising a proximal portion and a distal portion; and one or more sensors configured to: stimulate a fluorescence response from one or more fluorescent probes released into a fluid and flowing with the fluid through the lumen; and detect the fluorescence response, wherein the fluorescence response is indicative of a composition of the fluid.

Medical device for detecting fluid parameters using fluorescent probes

An example system includes an elongated body, a fluorescent material, and a diffuse reflector. The elongated body defines a lumen and includes a proximal portion and a distal portion. The fluorescent material is configured to be in fluid communication with a fluid in the lumen. The diffuse reflector is configured to diffuse excitation light received from an excitation light source and direct the diffused excitation light toward the fluorescent material and diffuse the fluoresced light received from the fluorescence material and direct the fluoresced light toward a fluorescent light detector.

Medical device including diffuse reflector for detecting fluid parameters

A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor includes a bandage that is constructed as a single piece such that plural layers of the bandage are configured together to allow for a leaflet opening of the bandage, for example using at least one removable liner or tab, to insert a pulse oximetry circuit therein.

Single part bandage and method for a medical sensor

An example device includes processing circuitry configured to receive, from an oxygen sensor, an ambient air signal indicative of an oxygen partial pressure of ambient air. The processing circuitry is further configured to receive, from an atmospheric pressure sensor, an atmospheric pressure sensor signal indicative of atmospheric pressure. The processing circuitry is configured to determine, based on the atmospheric pressure sensor signal, an oxygen partial pressure of the ambient air, determine, based at least in part on the oxygen partial pressure of the ambient air and the ambient air signal, the one or more calibration parameters, and calibrate, based on the one or more calibration parameters, the oxygen sensor. The calibrated oxygen sensor may be used to, for example, determine the oxygen content of urine of a patient to monitor renal function of the patient.

Oxygen sensor calibration

A patient monitoring sensor having a communication interface, through which the patient monitoring sensor can communicate with a monitor is provided. The patient monitoring sensor includes a light-emitting diode (LED) communicatively coupled to the communication interface and a detector, communicatively coupled to the communication interface, capable of detecting light. The patient monitoring sensor also includes a faraday cage disposed around the detector, wherein the faraday cage includes an aperture configured to limit an amount of light from the LED that the detector is able to detect.

Growing community of inventors

Lafayette, CO, United States of America

Jacob D Dove