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Medical devices having a releasable member and methods of using the same

  • US 9,974,563 B2
  • Filed: 05/26/2015
  • Issued: 05/22/2018
  • Est. Priority Date: 05/28/2014
  • Status: Active Grant
First Claim
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1. A medical device comprising:

  • an elongate member having a first proximal end, a first distal end, a proximal portion and a shaft extending from the proximal portion, the proximal portion having a first outside diameter, the shaft having a second proximal end attached to the proximal portion and a second distal end, the shaft having a second outside diameter that is less than the first outside diameter of the proximal portion;

    an intermediate member releasably attached to the elongate member and releasably disposed on the shaft, the intermediate member having a third proximal end disposed between the first proximal end and the first distal end, a third distal end, a third outside diameter, and an intermediate member body defining an intermediate member lumen, the third outside diameter being greater than the first outside diameter of the proximal portion, the intermediate member lumen having a first inside diameter that is less than the first outside diameter of the proximal portion;

    a cap releasably attached to the intermediate member and releasably disposed on the shaft, the cap having a third fourth proximal end, a fourth distal end, and a cap body defining a cap lumen; and

    a sheath partially disposed between the intermediate member and the cap and disposed on the shaft, the sheath having a fifth proximal end, a fifth distal end, and a sheath body defining a first sheath opening on the fifth proximal end of the sheath, a second sheath opening on the fifth distal end of the sheath, and a sheath lumen extending from the first sheath opening to the second sheath opening, the first sheath opening having a second inside diameter that is greater than the first inside diameter of the intermediate member lumen.

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