Abstract: Pressure sensing guidewires and methods for making and using pressure sensing guidewires are disclosed. An example pressure sensing guidewire may include a tubular member having a proximal region and a housing region. An optical pressure sensor may be disposed within the housing region. The optical pressure sensor may include a sensor body and a deflectable membrane coupled to the sensor body. The deflectable membrane may include a polymer. An optical fiber may be coupled to the sensor body and may extend proximally therefrom. A pressure equalization channel is formed in the optical fiber, the sensor body, or both.

Abstract: Pressure sensing guidewires and methods for making and using pressure sensing guidewires are disclosed. An example pressure sensing guidewire may include a tubular member having a proximal region and a housing region. An optical pressure sensor may be disposed within the housing region. The optical pressure sensor may include a sensor body and a deflectable membrane coupled to the sensor body. The deflectable membrane may include a polymer. An optical fiber may be coupled to the sensor body and may extend proximally therefrom. A pressure equalization channel is formed in the optical fiber, the sensor body, or both.

Abstract: Pressure sensing guidewires and methods for making and using pressure sensing guidewires are disclosed. An example pressure sensing guidewire may include a tubular member having a proximal region and a housing region. An optical fiber may be disposed within the tubular member and extend to the housing region. The optical fiber may have a distal end region with a cavity formed therein. A polymeric member disposed within the cavity. A reflective surface disposed along the polymeric member.

Abstract: The technology disclosed herein relates to, in part, a gas sampling device. According to some aspects, the gas sampling device has a housing defining an airflow aperture, a gas testing chamber and an airflow pathway extending from the airflow aperture to the gas testing chamber. The housing also defines a sensor receptacle configured to removably hold a disposable sensor test strip within the gas testing chamber and a docking structure configured to be received by a docking station.

Abstract: Pressure sensing guidewires and methods for making and using pressure sensing guidewires are disclosed. An example pressure sensing guidewire may include a tubular member having a proximal region and a housing region. An optical fiber may be disposed within the tubular member and extend to the housing region. The optical fiber may have a distal end region with a cavity formed therein. A polymeric member disposed within the cavity. A reflective surface disposed along the polymeric member.

Abstract: Pressure sensing guidewires and methods for making and using pressure sensing guidewires are disclosed. An example pressure sensing guidewire may include a tubular member having a proximal region and a housing region. An optical pressure sensor may be disposed within the housing region. The optical pressure sensor may include a sensor body and a deflectable membrane coupled to the sensor body. The deflectable membrane may include a polymer. An optical fiber may be coupled to the sensor body and may extend proximally therefrom. A pressure equalization channel is formed in the optical fiber, the sensor body, or both.

Abstract: The technology disclosed herein relates to, in part, a gas sampling device. According to some aspects, the gas sampling device has a housing defining an airflow aperture, a gas testing chamber and an airflow pathway extending from the airflow aperture to the gas testing chamber. The housing also defines a sensor receptacle configured to removably hold a disposable sensor test strip within the gas testing chamber and a docking structure configured to be received by a docking station.