Expandable backspan staple
First Claim
Patent Images
1. A staple comprising:
- a non-linear expandable backspan;
a first leg having a first end extending from one end of the expandable backspan and a second end; and
a second leg having a first end extending from the other end of the expandable backspan and a second end;
the non-linear expandable backspan including a central portion extending towards the second ends of the first and second legs and being deformable in a direction away from the second ends of the first and second legs, wherein the backspan is configured to deform upon application to tissues of varying thicknesses, wherein the amount of deformation of the backspan is proportional to the thickness of tissue being stapled.
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Abstract
A staple having an expandable backspan and a pair of spaced legs is described. The expandable backspan is configured to expand or deform to accommodate tissues of varying thicknesses. In one embodiment, the backspan is non-linear and defines a recess. In another embodiment, the backspan includes a deformable pad or spacer. The amount of deformation of the backspan is proportional to the thickness of the tissue, i.e., the greater the thickness of tissue, the greater the deformation of the backspan.
1425 Citations
10 Claims
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1. A staple comprising:
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a non-linear expandable backspan;
a first leg having a first end extending from one end of the expandable backspan and a second end; and
a second leg having a first end extending from the other end of the expandable backspan and a second end;
the non-linear expandable backspan including a central portion extending towards the second ends of the first and second legs and being deformable in a direction away from the second ends of the first and second legs, wherein the backspan is configured to deform upon application to tissues of varying thicknesses, wherein the amount of deformation of the backspan is proportional to the thickness of tissue being stapled. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification