Surgical fastener
First Claim
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1. A method comprising:
- deploying a non-deforming fastener into a tissue via a fastener deployment device, the non-deforming fastener having a first leg, a second leg, and a backspan extending from the first leg to the second leg, the first and second legs extending transverse to the backspan, the backspan including a central pad with a thickness greater than a thickness of the backspan extending between the central pad and either the first leg or second leg, wherein the backspan and central pad are monolithically formed, and wherein the central pad protrudes downward past a bottom surface of the backspan;
wherein, after deploying the non-deforming fastener, the first and second legs remain transverse to the backspan.
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Abstract
Various embodiments of a non-deforming surgical fastener are discussed. In one embodiment, the fastener includes two legs and a backspan extending between the two legs. The fastener also includes a backspan thickness that is adapted to reduce the pressure and/or increase the holding strength applied to underlying materials. The non-deforming fastener is constructed and arranged to retain substantially the same shape before, during and after deployment into the target implantation site.
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Citations
21 Claims
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1. A method comprising:
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deploying a non-deforming fastener into a tissue via a fastener deployment device, the non-deforming fastener having a first leg, a second leg, and a backspan extending from the first leg to the second leg, the first and second legs extending transverse to the backspan, the backspan including a central pad with a thickness greater than a thickness of the backspan extending between the central pad and either the first leg or second leg, wherein the backspan and central pad are monolithically formed, and wherein the central pad protrudes downward past a bottom surface of the backspan; wherein, after deploying the non-deforming fastener, the first and second legs remain transverse to the backspan. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method comprising:
- applying a deployment force to a surgical fastener to deploy the surgical fastener, the surgical fastener having a first leg, a second leg, and a backspan extending from the first leg to the second leg, the backspan including a central pad with a thickness greater than a thickness of a portion of the backspan attached to the central pad; and
wherein the backspan and central pad are monolithically formed, and wherein the central pad protrudes downward past a bottom surface of the backspan; and
applying a pressure to underlying tissue during deployment via an area of the backspan and central pad when the deployment force is applied to the fastener, wherein the pressure is greater than or equal to 27.5 kPa and less than or equal to 275 kPa. - View Dependent Claims (10, 11, 12, 13, 14)
- applying a deployment force to a surgical fastener to deploy the surgical fastener, the surgical fastener having a first leg, a second leg, and a backspan extending from the first leg to the second leg, the backspan including a central pad with a thickness greater than a thickness of a portion of the backspan attached to the central pad; and
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15. A method comprising:
- applying a deployment force to a surgical fastener to deploy the surgical fastener, the fastener including a first leg, a second leg, and a backspan extending from the first leg to the second leg, the backspan having an area less than or equal to 10 mm2 and greater than or equal to 0.25 mm2, the backspan including a central pad with a thickness greater than a thickness of a portion of the backspan attached to the central pad; and
wherein the backspan and central pad are monolithically formed, and wherein the central pad protrudes downward past a bottom surface of the backspan; and
applying a pressure to underlying tissue during deployment via an area of the backspan and central pad when the deployment force is applied to the fastener, wherein the deployment force is greater than or equal to 4.4N and less than or equal to 44N. - View Dependent Claims (16, 17, 18, 19, 20, 21)
- applying a deployment force to a surgical fastener to deploy the surgical fastener, the fastener including a first leg, a second leg, and a backspan extending from the first leg to the second leg, the backspan having an area less than or equal to 10 mm2 and greater than or equal to 0.25 mm2, the backspan including a central pad with a thickness greater than a thickness of a portion of the backspan attached to the central pad; and
Specification