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Branford, CT, United States

Patent
CAS Medical Systems | Date: 2013-10-23

An apparatus for electrically and mechanically coupling a connection portion of a sensor assembly with a connection portion of an interface cable is provided. The apparatus includes a frame having an EMI shielding material. The frame defines a first port operable to engage the connection portion of the sensor assembly and a second port operable to engage the connection portion of the interface cable. The frame includes attachment features operable to mechanically secure the connection portion of the sensor assembly and the connection portion of the interface cable relative to the frame. The frame is configured to provide a Faraday Cage around substantially all of the connection portion of the sensor assembly and the connection portion of the interface cable when the connection portions are in coupled configuration.


A method and apparatus for monitoring a blood oxygen saturation level within a subjects tissue is provided. The method includes the steps of: a) sensing the subjects tissue using a near infrared spectrophotometric oximeter, and producing a value representative of the oxygen saturation level within the sensed tissue; b) comparing the determined saturation value to a predetermined threshold oxygen saturation value; and c) determining at least one of a time under threshold (TUT) value or an area under threshold (AUT) value using the determined saturation value and the threshold value.


Patent
CAS Medical Systems | Date: 2014-07-18

An apparatus and method for non-invasively determining a blood oxygen parameter value of a subjects tissue is provided. An embodiment of the method includes the steps of: a) providing a spectrophotometric sensor that includes a processing portion and a transducer, b) detecting at least a portion of transmitted light after passage through the subjects tissue and producing initial signal data from the detected light; and c) using the processing portion to: (i) determine a value representative of an attenuation of at least one wavelength of light detected; (ii) determine whether the representative attenuation value is outside a predefined range of attenuation values; and (iii) determine the blood oxygen parameter value using a first interrogation or an alternate interrogation setting.


Patent
CAS Medical Systems | Date: 2013-03-11

According to the present invention, a method and apparatus for non-invasively determining the blood oxygen saturation level within a subjects tissue is provided. The method comprises the steps of: a) providing a spectrophotometric sensor operable to transmit light into the subjects tissue, and to sense the light; b) detecting light after passage through the subjects tissue using the sensor, and producing initial signal data from the light sensed; c) calibrating the sensor to that particular subject using the initial signal data, thereby accounting for the specific physical characteristics of the particular subjects tissue being sensed; and d) using the calibrated sensor to determine the blood oxygen parameter value within the subjects tissue.


Patent
CAS Medical Systems | Date: 2014-11-20

According to the present invention, a method and apparatus for non-invasively determining the blood oxygen saturation level within a subjects tissue is provided. The method comprises the steps of: a) providing a spectrophotometric sensor operable to transmit light into the subjects tissue, and to sense the light; b) detecting light after passage through the subjects tissue using the sensor, and producing initial signal data from the light sensed; c) calibrating the sensor to that particular subject using the initial signal data, thereby accounting for the specific physical characteristics of the particular subjects tissue being sensed; and d) using the calibrated sensor to determine the blood oxygen parameter value within the subjects tissue.

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