Patent ID: 11918726
Assignee: ABIOMED EUROPE GMBH
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A flow cannula for a blood pump for supporting a patient's heart, the flow cannula comprising:
a distal end of the flow cannula;
a proximal end of the flow cannula opposite the distal end of the flow cannula along a longitudinal axis of the flow cannula, the distal end of the flow cannula configured to be connected to a patient's heart or a blood vessel in order to establish a fluid communication between the blood pump and the patient's heart or between the blood pump and the blood vessel, respectively;
a distal portion of the flow cannula including the distal end of the flow cannula;
a proximal portion of the flow cannula including the proximal end of the flow cannula,
wherein the proximal portion of the flow cannula and distal portion of the flow cannula are formed as a single piece; and

an intermediate portion placed over the single piece of the distal portion of the flow cannula and the proximal portion of the flow cannula, wherein the intermediate portion allows twisting thereof with a lower force than at least one of the distal portion of the flow cannula and the proximal portion of the flow cannula,
wherein the intermediate portion is configured to be fully occluded by twisting thereof, and
wherein at least a portion of the intermediate portion is configured to be permanently attached to the patient's heart or the blood vessel.