System and Method for Automatic Detection of a Plurality of SP02 Time Series Pattern Types

Abstract

The disclosed embodiments relate to a patient monitor for evaluating a patient. The patient monitor may comprise a sensor that is adapted to detect a sound associated with breathing of the patient and to produce a first output indicative of the sound, an oximeter that is adapted to receive an input from the patient and to produce a second output indicative of oxygen saturation of blood of the patient, and a processor adapted to receive at least the first output and the second output and to correlate the first output with the second output.

1 . A pulse oximeter, comprising:
 a probe that is adapted to be attached to a body part of a patient to create a signal indicative of an oxygen saturation of blood of the patient; and   a processor that is adapted to receive the signal produced by the probe, to calculate an SPO2 value based on the signal, to detect a plurality of pattern types of SPO2 indicative of pathophysiologic events, and to produce an output indicative of a detected one of the plurality of pattern types.   
     
     
         2 . The pulse oximeter recited in  claim 1 , comprising a display that is adapted to provide a visual indication corresponding to the output. 
     
     
         3 . The pulse oximeter recited in  claim 2 , wherein the visual indication comprises a text message. 
     
     
         4 . The pulse oximeter recited in  claim 1 , wherein at least one of the plurality of pattern types is indicative of a recovery failure. 
     
     
         5 . The pulse oximeter recited in  claim 1 , wherein at least one of the plurality of pattern types is indicative of a threshold failure. 
     
     
         6 . A pulse oximeter, comprising:
 a probe that is adapted to be attached to a body part of a patient to create a signal indicative of an oxygen saturation of blood of the patient; and   a processor that is adapted to receive the signal produced by the probe, to calculate an SPO2 value based on the signal, to detect a plurality of cluster pattern types of SPO2, and to produce an output indicative of a plurality of detected cluster pattern types.   
     
     
         7 . The pulse oximeter recited in  claim 6 , comprising a display that is adapted to provide a visual indication corresponding to the output. 
     
     
         8 . The pulse oximeter recited in  claim 7 , wherein the visual indication comprises a text message. 
     
     
         9 . The pulse oximeter recited in  claim 6 , wherein the at least one cluster pattern type is indicative of a recovery failure. 
     
     
         10 . The pulse oximeter recited in  claim 6 , wherein the at least one of the plurality of pattern types is indicative of a threshold failure. 
     
     
         11 . The pulse oximeter recited in  claim 6  wherein the processor is adapted to calculate a plurality of sequential severity indices of the at least one cluster pattern type. 
     
     
         12 . The pulse oximeter recited in  claim 6 , wherein the processor is adapted to calculate a time series of severity indices of the at least one cluster pattern type. 
     
     
         13 . A pulse oximeter, comprising:
 a probe that is adapted to be attached to a body part of a patient to create a signal indicative of an oxygen saturation of blood of the patient; and   a processor that is adapted to receive the signal produced by the probe, to calculate an SPO2 value based on the signal, to detect a plurality of different cluster pattern types of SPO2, and to produce an output indicative of a detected cluster pattern type.   
     
     
         14 . The pulse oximeter recited in  claim 13 , comprising a display that is adapted to provide a visual indication corresponding to the output. 
     
     
         15 . The pulse oximeter recited in  claim 14 , wherein the visual indication comprises a text message. 
     
     
         16 . The pulse oximeter recited in  claim 13 , wherein at least one of the plurality of cluster pattern types is indicative of a recovery failure. 
     
     
         17 . The pulse oximeter recited in  claim 13 , wherein at least one of the plurality of cluster pattern types is indicative of a threshold failure. 
     
     
         18 . The pulse oximeter recited in  claim 13  wherein the processor is adapted to calculate a plurality of sequential severity indices of at least one of the plurality of cluster pattern types. 
     
     
         19 . The pulse oximeter recited in  claim 13 , wherein the processor is adapted to calculate a time series of severity indices of at least one of the plurality of cluster pattern types. 
     
     
         20 . The pulse oximeter recited in  claim 13 , wherein the processor is adapted to determine an indication of severity of the detected cluster pattern type. 
     
     
         21 . The pulse oximeter recited in  claim 13 , wherein the processor is adapted to display an indication of severity of the detected cluster pattern type. 
     
     
         22 . The pulse oximeter recited in  claim 13 , wherein the processor is adapted to calculate a plurality of sequential severity indices of the detected cluster pattern type. 
     
     
         23 . The pulse oximeter recited in  claim 13 , wherein the processor is adapted to calculate a time series of severity indices of the detected cluster pattern type. 
     
     
         24 . A method of monitoring a patient, comprising:
 receiving a signal indicative of an oxygen saturation of blood of the patient;   calculating an SPO2 value based on the signal on a processor of a monitor;   detecting a plurality of pattern types of SPO2 indicative of pathophysiologic events; and   producing an output indicative of a detected one of the plurality of pattern types.   
     
     
         25 . A method of monitoring a patient, comprising:
 receiving a signal indicative of an oxygen saturation of blood of the patient;   calculating an SPO2 value based on the signal on a processor of a monitor;   detecting a plurality of cluster pattern types of SPO2; and   producing an output indicative of a plurality of detected cluster pattern types.   
     
     
         26 . A method of monitoring a patient, comprising:
 receiving a signal indicative of an oxygen saturation of blood of the patient;   calculating an SPO2 value based on the signal on a processor of a monitor;   detecting a plurality of different cluster pattern types of SPO2; and   producing an output indicative of a detected cluster pattern type.