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Transapical mini-introducer hemostasis valve and punch

  • US 10,278,728 B2
  • Filed: 01/29/2010
  • Issued: 05/07/2019
  • Est. Priority Date: 01/30/2009
  • Status: Active Grant
First Claim
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1. An introducer for providing access to the heart, comprising:

  • a tubular body extending continuously from an entrance end to an exit end;

    a valve assembled in the body, the valve having a substantially closed state in the absence of an instrument inside the valve and an open state in the presence of the instrument inside the valve;

    an annular rib at the exit end of the body and configured to secure the body to the heart, the annular rib having a circumference of the same size in both the closed state of the valve and in the open state of the valve;

    a shoulder positioned between the exit end of the body and the entrance end of the body, the shoulder being at a first spaced distance from the exit end of the body and at a second spaced distance from the entrance end of the body, the second spaced distance being greater than the first spaced distance;

    a shaft having a first end and a second end; and

    a piercing element at the first end of the shaft, the shaft being positioned inside the valve in an assembled condition so that the shaft and the valve may be inserted together through tissue of the heart, in the assembled condition the piercing element being exposed for use beyond the exit end of the body and the second end of the shaft being at the entrance end of the body so that the distance between the second end of the shaft and the shoulder is greater than the first spaced distance, and the valve being dimensioned to receive the instrument therein upon removal of the shaft from the valve.

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