Surgical staple
First Claim
1. A surgical staple comprising a base and a pair of legs each extending from an opposite end of the base, each leg having a penetrative portion terminating at a tip, the staple being deformable to bend each leg relative to the base causing each tip to approach the other leg along a substantially arcuate path lying in a plane, wherein each leg further comprises a compressive portion located intermediate the base and the penetrative portion, the compressive portion having a height greater than that of the penetrative portion, said heights being measured in the direction perpendicular to the plane defined by the arcuate path, wherein the penetrative portion on one leg is staggered in the direction of measurement of height from the penetrative portion of the other leg.
2 Assignments
0 Petitions
Accused Products
Abstract
A generally U-shaped surgical staple comprises a base 10 and a pair of generally “L”-shaped legs 12 extending substantially perpendicularly from opposite ends of the base respectively. The legs 12 in use of the staple are bent through approximately 90° relative to the base. To effect a greater compression of the stapled tissue the legs include a penetrative portion 16 adjacent the tip and a compressive structure 30 which, due to its increased height relative to that of the penetrative portion, spreads the compressive forces of the staple further along the length of the incision being closed. The compressive portion also provides a depth stop to avoid the tip penetrating too deeply into the tissue in which it is deployed.
792 Citations
20 Claims
- 1. A surgical staple comprising a base and a pair of legs each extending from an opposite end of the base, each leg having a penetrative portion terminating at a tip, the staple being deformable to bend each leg relative to the base causing each tip to approach the other leg along a substantially arcuate path lying in a plane, wherein each leg further comprises a compressive portion located intermediate the base and the penetrative portion, the compressive portion having a height greater than that of the penetrative portion, said heights being measured in the direction perpendicular to the plane defined by the arcuate path, wherein the penetrative portion on one leg is staggered in the direction of measurement of height from the penetrative portion of the other leg.
- 11. A surgical staple comprising a base and a pair of legs each extending from an opposite end of the base, each leg having a penetrative portion terminating at a tip, the staple being deformable to bend each leg relative to the base causing each tip to approach the other leg along a substantially arcuate path lying in a plane, each leg further comprises a compressive portion located intermediate the base and the penetrative portion, the compressive portion having a height greater than that of the penetrative portion, said heights being measured in the direction perpendicular to the plane defined by the arcuate path, the height of one compressive portion on one leg of the pair of legs in the direction perpendicular to the plane defined by the arcuate path being greater than the height of the other compressive portion on the other leg of the pair of legs in the same direction perpendicular to the plane defined by the arcuate path.
- 18. A surgical staple comprising a base and a pair of legs each extending from an opposite end of the base, each leg having a penetrative portion terminating at a tip, the staple being deformable to bend each leg relative to the base causing each tip to approach the other leg along a substantially arcuate path lying in a plane to overlap each other, each leg further comprises a compressive portion located intermediate the base and the penetrative portion, the compressive portion having a height greater than that of the penetrative portion, said heights being measured in the direction perpendicular to the plane defined by the arcuate path, wherein the penetrative portion on one leg is staggered in the direction of measurement of height from the penetrative portion of the other leg.
Specification