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Methods and systems for establishing retrograde carotid arterial blood flow

  • US 10,709,832 B2
  • Filed: 09/24/2019
  • Issued: 07/14/2020
  • Est. Priority Date: 07/18/2007
  • Status: Active Grant
First Claim
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1. A system for use in accessing and treating a target artery, said system comprising:

  • an arterial access device adapted to be introduced into a common carotid artery and receive blood flow from the target artery;

    a shunt fluidly connected to the arterial access device, wherein the shunt provides a pathway for blood to flow from the arterial access device to a return site; and

    a flow control assembly coupled to the shunt and adapted to regulate blood flow through the shunt between at least a first blood flow state and at least a second blood flow state, wherein the flow control assembly includes one or more components that interact with the blood flow through the shunt, wherein the flow control assembly comprises two or more parallel flow paths and a valve to open or close one or more of the flow paths to adjust the state of flow by selectively directing blood flow through one or more of the flow paths.

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