Blood pump having a disposable blood filter with integrated pressure sensors
First Claim
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1. A filter for a blood circuit comprising:
- a housing having a blood inlet and a blood outlet, and a filtrate outlet;
a filter medium in the housing and arranged between the blood inlet and blood outlet, and a pressure sensor coupled to the housing and monitoring a pressure of blood in the housing.
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Abstract
An integrated disposable cartridge for dialysis or ultrafiltration treatment of blood includes integral pressure sensors. Sensors are embedded in the blood filter on the cartridge to measure the pressure of blood or other fluids in the filter.
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Citations
16 Claims
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1. A filter for a blood circuit comprising:
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a housing having a blood inlet and a blood outlet, and a filtrate outlet;
a filter medium in the housing and arranged between the blood inlet and blood outlet, and a pressure sensor coupled to the housing and monitoring a pressure of blood in the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A disposable extracorporeal blood circuit for processing blood from a mammal comprising:
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a blood passage having a blood withdrawal port connectable to a vascular system of the mammal, a blood return port connectable to the vascular system and a blood passage between the withdrawal port and the return port through which blood flows;
a blood filter having a housing with a blood inlet and a blood outlet both coupled to said blood passage such that the blood flows through said filter, and a pressure sensor attached to the filter housing and monitoring a fluid pressure in the housing. - View Dependent Claims (13, 14)
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15. A method of monitoring a fluid pressure in a disposable extracorporeal blood circuit comprising:
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withdrawing blood from a patient and into a blood passage of the blood circuit;
filtering the blood flowing through the circuit in a filter;
monitoring a pressure of the blood in the filter by a pressure sensor in the filter, and returning the filtered blood to the patient. - View Dependent Claims (16)
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Specification