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Displacement based lock and release mechanism

  • US 10,449,043 B2
  • Filed: 01/14/2016
  • Issued: 10/22/2019
  • Est. Priority Date: 01/16/2015
  • Status: Active Grant
First Claim
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1. A medical device system, comprising:

  • a valve replacement implant including an anchor member reversibly actuatable between a delivery configuration and a deployed configuration;

    wherein the implant includes at least one locking element configured to lock the anchor member in the deployed configuration; and

    at least one actuator element configured to engage the at least one locking element and actuate the anchor member between the delivery configuration and the deployed configuration;

    wherein the at least one actuator element includes a self-biased cam mechanism configured to extend into and engage a first locking portion of the at least one locking element,wherein the first locking portion includes a longitudinally-oriented passageway extending therethrough, and at least one side aperture extending transversely through a side wall of the first locking portion to the longitudinally-oriented passageway, the at least one side aperture being configured to receive the self-biased cam mechanism therein such that the self-biased cam mechanism extends through the at least one side aperture,wherein the first locking portion of the at least one locking element is fixedly attached to the anchor member and a second locking portion of the at least one locking element is fixedly attached to the anchor member, the first locking portion and the second locking portion being longitudinally movable relative to each other in the delivery configuration, wherein the second locking portion includes;

    a base portion having a longitudinal axis extending between a proximal end and a distal end, the base portion defining a top surface and a bottom surface;

    a body portion defining a longitudinal channel extending therethrough, at least a part of the body portion extending upwardly from the base portion; and

    a flap portion extending toward the proximal end from the body portion;

    wherein the base portion includes a plurality of protrusions extending upwardly from the top surface proximal of the flap portion;

    wherein the second locking portion is configured to slidably receive the first locking portion within the longitudinal channel.

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