Medical device inserters and processes of inserting and using medical devices

  • US 10,945,649 B2
  • Filed: 08/31/2020
  • Issued: 03/16/2021
  • Est. Priority Date: 03/24/2010
  • Status: Active Grant
First Claim
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1. An inserter assembly for inserting a glucose sensor into a subject, the inserter assembly comprising:

  • an inserter housing;

    the glucose sensor disposed within the inserter housing, wherein a part of the glucose sensor is configured to be inserted under a skin surface of the subject;

    a rotor disposed within the inserter housing, the rotor comprising a rotor follower projection;

    a torsion spring received within the rotor, wherein the torsion spring is configured to cause rotation of the rotor and the rotor follower projection;

    a first slidable body disposed within the inserter housing, the first slidable body comprising a slot, wherein the rotor follower projection is received within the slot, and wherein the rotation of the rotor and the rotor follower projection causes the first slidable body, a second slidable body, and the glucose sensor to advance within the inserter housing in a linear direction towards an insertion site on the skin surface of the subject;

    the second slidable body disposed within the inserter housing, wherein the second slidable body is coupled with a needle; and

    a compression spring configured to expand and to retract the second slidable body and the needle in a linear direction away from the insertion site while the glucose sensor remains at the insertion site.

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