Blood treatment device with automatic air removal
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United States of America Patent
Stats
-
Jan 21, 2025
Grant Date -
Apr 1, 2021
app pub date -
Sep 25, 2020
filing date -
Sep 27, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A blood treatment device includes an extracorporeal blood circuit, a dialyzer and a dialysis fluid circuit. The extracorporeal blood circuit has an arterial portion, a venous portion, an air detector configured to monitor whether air is present in the venous portion, at least one blood pump configured to pump blood through the extracorporeal blood circuit, a venous hose clamp configured to selectively clamp or release the venous portion, a user interface, and a control unit. When the control unit receives information from the air detector that there is air in the venous portion, the control unit is configured to stop the blood pump, close the venous hose clamp, raise an alarm, and display on the user interface instructions for removing air in the venous portion and displaying status reports about the removal of air, and carry out automatic removal of air from the venous portion on a user-initiated basis.
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