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Systems and methods for shunting fluid

  • US 10,639,461 B2
  • Filed: 03/17/2017
  • Issued: 05/05/2020
  • Est. Priority Date: 01/22/2013
  • Status: Active Grant
First Claim
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1. A flusher comprising:

  • an upstream port;

    a downstream port;

    a shunt valve disposed between the upstream and downstream ports and configured to regulate pressure in an anatomical chamber in fluid communication with the upstream port;

    a ventricle channel that extends from the upstream port to a first side of a flush valve;

    a flush channel that extends from a second side of the flush valve to a flush dome; and

    a bypass channel that extends from the downstream port to the ventricle channel;

    wherein the flush valve is configured to allow fluid communication between the first and second sides of the flush valve when a pressure differential across the flush valve exceeds a predetermined threshold; and

    wherein the flush dome is collapsible to (i) force fluid through the flush valve, the ventricle channel, and the upstream port, and (ii) prevent fluid flow through the bypass channel, thereby preventing fluid from being forced through the downstream port.

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