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Assembly for delivering a prosthetic heart valve

  • US 10,507,103 B2
  • Filed: 11/26/2018
  • Issued: 12/17/2019
  • Est. Priority Date: 06/13/2005
  • Status: Active Grant
First Claim
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1. A medical assembly, comprising:

  • a delivery system comprising an inflatable balloon along a distal end portion of the delivery system;

    a prosthetic valve retained in a radially compressed state over the inflatable balloon;

    a loader comprising a tube portion extending over the prosthetic valve and the inflatable balloon of the delivery system; and

    an introducer comprising a sleeve and a housing attached to a proximal end of the sleeve;

    wherein the sleeve is configured to be inserted into a blood vessel of a patient so that an inner passageway of the sleeve is in fluid communication with the blood vessel and the housing is located outside the blood vessel;

    wherein the tube portion of the loader is configured to pass through the housing and into the inner passageway of the sleeve so that the delivery system and the prosthetic valve can be passed through the housing while the prosthetic valve is inside the tube portion and then advanced from the tube portion through the inner passageway of the sleeve and into the blood vessel after the sleeve is inserted into the blood vessel;

    wherein the introducer comprises one or more valves located inside the housing and configured to engage an outer surface of the tube portion of the loader when the tube portion is inserted into the introducer; and

    wherein the loader further comprises a cap portion coupled to a proximal end portion of the tube portion and a seal member inside the cap portion and engaging an outer surface of the delivery system.

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