Patent ID: 8690790
Filing Date: 2014-04-08
Classification: A61B

Abstract:
1. A method for evaluating for stress urinary incontinence, comprising: inserting a pressure sensing catheter within a patient's bladder, the pressure sensing catheter having a pressure sensor on the surface of the catheter and positioned within the patient's bladder for measuring bladder pressure; filling the patient's bladder to a predetermined level; having the patient voluntarily cough to produce a voluntary cough event; sampling pressure output values from the pressure sensing catheter for the duration of the voluntary cough event corresponding to the intravesical pressure; calculating the area under the curve (AUC) by integrating the sampled values of intravesical pressure over time; determining a peak intravesical pressure value for the duration of the voluntary cough event; determining if there has been an involuntary expulsion of urine during the voluntary cough event; supplying to the throat of the patient an aerosol containing a chemoirritant agent effective for inducing an involuntary cough event; sampling pressure output values from the pressure sensing catheter for the duration of the involuntary cough event corresponding to the sampled intravesical pressure; calculating the area under the curve (AUC) by integrating the intravesical pressure samples over time; determining a peak intravesical pressure value for the duration of the involuntary cough event; and determining if there has been an involuntary expulsion of urine during the involuntary cough event; processing values for the AUC of the voluntary and involuntary cough events, the peak intravesical pressure values for the voluntary and involuntary cough events and correlating to whether there was any involuntary expulsion of urine during the voluntary and involuntary cough events to evaluate the patient for stress urinary incontinence.