US 12,661,440 B2 · Dialysis system having motor driver pressure estimation of fluid within a patient line

Abstract

A dialysis system having motor driven pressure estimation of fluid within a patient line is disclosed. A peritoneal dialysis (“PD”) system includes a fluid pump and a patient line that fluidly couples the fluid pump to an indwelling catheter leading into a patient's peritoneal cavity. The PD system also includes a motor driver that controls a motor of the fluid pump and transmits an output signal that is indicative of a load on the motor. The PD system further includes a machine learning algorithm that associates data related to output signals from motor drivers with known fluid pressures within patient lines. A processor of the PD system transmits an input signal to activate the motor driver, receives the output signal from the motor driver, and estimates a fluid pressure within the patient line by applying the data from the received output signal to the machine learning algorithm.

Claims24

Dependent claims

A peritoneal dialysis (“PD”) system comprising:

a housing;
a PD fluid pump housed by the housing, the PD fluid pump including an actuator that is actuated by a motor;
a patient line fluidly coupling the PD fluid pump to a transfer set that is connected to an indwelling catheter leading into a peritoneal cavity of a patient;
a motor driver configured to control the motor and transmit an output signal that is indicative of a load on the motor;
a memory storing a machine learning algorithm that associates data related to output signals from motor drivers with known PD fluid pressures within patient lines;
a processor electrically coupled to the motor driver and the memory, the processor configured to:
transmit an input signal to activate the motor driver,
receive the output signal from the motor driver,
estimate a PD fluid pressure within the patient line by applying data from the received output signal to the machine learning algorithm, and
cause the motor driver to stop when the estimated PD fluid pressure is above a threshold value.

7 more elements

Dependencies are inferred from the claim text.

Dialysis system having motor driver pressure estimation of fluid within a patient line

Life of this patent

Dialysis system having motor driver pressure estimation of fluid within a patient line

Life of this patent

Abstract

Claims24