Patent ID: 8679154

Claim:
A compression-self-adjusting staple, comprising: a substantially U-shaped staple body having: a bridge; and two legs extending from said bridge at an angle thereto, each of said legs having: a base end integral with said bridge; and a deformable distal end defining a stapling point shaped to pierce material to be stapled; a compression device: at least partly disposed between said legs; and having a bias portion with: a compression surface movably disposed between said legs; and a compression resistor: connected to said bridge and to said compression surface; and being formed to resist movement of said compression surface towards said bridge with a pre-set compressive force that ensures stapling within an optimal tissue compression range upon application of a stapling force and, after stapling, maintains the pre-set compressive force within the optimal tissue compression range; and having a variation in cross-section including at least one of a variation in cross-section shape and a variation in cross-section thickness.