Patent ID: 9295581
Filing Date: 2016-03-29
CPC Classification: A61B,A61F

Claim Text:
1. A medical tack for attaching a medical device to a body tissue, the medical tack comprising: a shaft having a pointed end and a base end, the pointed end having a point adapted to cut and pierce the body tissue and allow the medical tack to be inserted through the body tissue; a barb near the pointed end suitable to engage the tissue on a first side of the tissue; a movable washer near the base end suitable to be located on a side of the tissue opposite the first side; a means for varying an insertion length of the medical tack in the body tissue based on thickness of the body tissue which the medical tack is adapted to be inserted through, the means for varying the insertion length being located between the barb at a first location and the movable washer at a second location along the medical tack, the means for varying the insertion length being configured to vary a distance between the first location and the second location to correspondingly vary the insertion length of the medical tack, such that when the distance between the first location and the second location is shortened, the insertion length is correspondingly decreased and vice versa; wherein the means for varying maintains a controlled force on the body tissue; wherein the medical tack is of a size and material suitable to be chronically implanted within a body.