Patent ID: 11944805
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A  F | IPC A  F

Claim 10:
11. A method of manufacturing a cardiac pump for delivering a fluid, the method comprising:
providing an impeller configured to convey the fluid, a drive device with a shaft configured to drive the impeller, a shaft housing configured to receive the shaft, and a sealing device comprising:
at least one housing sealing element:,
at least one impeller sealing element; and
at least one gap sealing element, wherein the at least one gap sealing element is configured to be received between the shaft housing and the impeller and wherein an outer diameter of the gap sealing element is larger than an outer diameter of the impeller sealing element; and

assembling the impeller, the drive device, the shaft housing, and the sealing device to produce the cardiac pump, wherein in the step of assembling the housing sealing element is received between the shaft and the shaft housing to prevent fluid from entering the shaft housing and/or the drive device during operation of the cardiac pump.