Heart lung machine with roller pump
AssigneeLivaNova Deutschland GmbH
InventorsFriedemann Schubert, Günther Ludwig Michel, Philipp Löffler
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Abstract
Example extracorporeal life support systems are disclosed. An example heart lung machine includes a roller pump configured to pump blood through a blood circuit, a first pump tube engaged with a portion of the roller pump, a first connector having a first end and a second end, wherein the first end of the first connector is coupled to a first end of the pump tube. The heart lung machine also includes a first pressure sensor coupled to the first connector or the roller pump and a sensor interface unit coupled to the roller pump, wherein the sensor interface unit is in communication with the first pressure sensor.
Claims20
A heart lung machine, comprising:
- a roller pump configured to pump blood through a blood circuit;
- a first pump tube engaged with a portion of the roller pump;
- a first connector having a first end and a second end, wherein the first end of the first connector is coupled to a first end of the pump tube;
- a first pressure sensor coupled to the first connector or the roller pump;
- and
- a sensor interface unit coupled to the roller pump, wherein the sensor interface unit is in communication with the first pressure sensor.
The heart lung machine of 3, wherein a first end of the fluid tube is configured to extend into a lumen defined by an inner surface of the first connector, and wherein the first pressure sensor is configured to be positioned between an outer surface of the fluid tube and the inner surface of the first connector.
A heart lung machine, comprising:
- a roller pump configured to pump blood through a blood circuit;
- a connector assembly coupled to the roller pump, comprising:
- a connector having a first end region, a second end region and an inner surface;
- and
- a pressure sensor attached to the inner surface;
- wherein the first end of the connector is releasably engaged to the roller pump;
- wherein the second end of the connector is engaged to a fluid tube of the blood circuit.
A heart lung machine, comprising:
- a roller pump configured to pump blood through a blood circuit;
- a first pump tube releasably engaged with a portion of the roller pump;
- a first connector having a first end, a second end and a first sensor manifold, wherein the first end of the first connector is coupled to a first end of the pump tube, wherein the second end of the first connector is coupled to a fluid tube of the blood circuit, and wherein the sensor manifold is coupled to a first pressure sensor;
- a second connector having a first end, a second end and a second sensor manifold, wherein the first end of the second connector is coupled to a second end of the pump tube, wherein the second end of the second connector is coupled to a fluid tube of the blood circuit, and wherein the second sensor manifold is coupled to a second pressure sensor;
- and
- a sensor interface unit positioned within the roller pump;
- wherein the first pressure sensor, the second pressure sensor or both the first and the second pressure sensor are directly attached to the roller pump;
- wherein the sensor interface unit is in communication with the first pressure sensor and the second pressure sensor.
Dependencies are inferred from the claim text.