Wearable continuous renal replacement therapy device
First Claim
Patent Images
1. A continuous renal replacement therapy (CRRT) device comprising:
- means for enabling a patient to wear the entire CRRT device;
a microcontroller, said microcontroller adapted to be powered by a battery;
a pump, controlled by said microcontroller, said pump comprising a first pump and a second pump, said pump adapted to be powered by said battery;
a blood circuit comprising;
a blood inlet tube for receiving blood from a patient;
said first pump for pumping blood through said blood circuit;
a first micropump for pumping an anticoagulant into said blood circuit, said micro pump being controlled by said microcontroller;
a dialyzer receiving blood pumped by said first pump;
a pressure transducer for providing a blood circuit pressure signal to said microcontroller;
an outlet port for allowing blood to go back into said patient after being received by said dialyzer; and
a dialysate circuit for circulating dialysate through said dialyzer and for removing contaminants from said circulating dialysate, said dialysate circuit comprising;
a filter section for reacting with predetermined substances in said dialysate in order to recycle said dialysate for continued usage in said dialysate circuit;
said second pump for pumping dialysate through said dialysate circuit;
a sensor, attached to said dialysate circuit, providing a signal to said microprocessor indicating that at said filter section requires maintenance;
a degasser, attached to said dialysate circuit, for removing gas from said dialysate circuit; and
said CRRT device being adapted to operate on less than 10 watts of power.
4 Assignments
0 Petitions
Accused Products
Abstract
A continuous renal replacement therapy (CRRT) device adapted to be worn on a portion of the body of a patient. The CRRT device is worn by the patient and operates on rechargeable batteries for more than 5 hours dialysate is used to remove impurities from the blood. The dialysate is recycled and refreshed by a filter section. Less than one liter of dialysate is required to circulate through the wearable CRRT device.
163 Citations
50 Claims
-
1. A continuous renal replacement therapy (CRRT) device comprising:
-
means for enabling a patient to wear the entire CRRT device;
a microcontroller, said microcontroller adapted to be powered by a battery;
a pump, controlled by said microcontroller, said pump comprising a first pump and a second pump, said pump adapted to be powered by said battery;
a blood circuit comprising;
a blood inlet tube for receiving blood from a patient;
said first pump for pumping blood through said blood circuit;
a first micropump for pumping an anticoagulant into said blood circuit, said micro pump being controlled by said microcontroller;
a dialyzer receiving blood pumped by said first pump;
a pressure transducer for providing a blood circuit pressure signal to said microcontroller;
an outlet port for allowing blood to go back into said patient after being received by said dialyzer; and
a dialysate circuit for circulating dialysate through said dialyzer and for removing contaminants from said circulating dialysate, said dialysate circuit comprising;
a filter section for reacting with predetermined substances in said dialysate in order to recycle said dialysate for continued usage in said dialysate circuit;
said second pump for pumping dialysate through said dialysate circuit;
a sensor, attached to said dialysate circuit, providing a signal to said microprocessor indicating that at said filter section requires maintenance;
a degasser, attached to said dialysate circuit, for removing gas from said dialysate circuit; and
said CRRT device being adapted to operate on less than 10 watts of power. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
-
-
32. A wearable Continuous Renal Replacement Therapy (CRRT) device comprising:
-
a dialyzer;
a blood circuit for moving blood from a patient through said dialyzer and back to said patient;
a dialysate circuit for circulating dialysate through said dialyzer and for refreshing said dialysate;
a microcontroller for controlling the movement of blood and dialysate through said blood circuit and said dialysate circuit respectfully;
a covering substantially covering said wearable CRRT device;
means for enabling a patient to wear said wearable CRRT device attached to said covering;
a moisture sensor, inside said covering for sensing moisture, said moisture sensor providing a moisture signal to said microcontroller.
-
-
33. A wearable Continuous Renal Replacement Therapy (CRRT) device comprising:
-
a dialyzer;
a blood circuit for moving blood from a patient through said dialyzer and back to said patient;
a dialysate circuit for circulating dialysate through said dialyzer and a for refreshing said dialysate;
a microcontroller for controlling the movement of blood and dialysate through said blood circuit and said dialysate circuit respectfully;
a covering substantially covering said wearable CRRT device;
said wearable CRRT device adapted to operate on less than 10 watts of power. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50)
-
Specification