Surgical staples with expandable backspan

{
  "publication_number": "US10524784B2",
  "country": "US",
  "kind": "B2",
  "title": "Surgical staples with expandable backspan",
  "abstract": "A surgical staple includes a body having a first leg, a second leg, and a backspan. The first and second legs each have a first end portion and a second end portion. The backspan has a first portion, a second portion, and a third portion. The first portion of the backspan includes a looped member having a first end portion and a second end portion. The second portion of the backspan extends between the first end portion of the first leg and the first end portion of the looped member. The third portion of the backspan extends between the first end portion of the second leg and the second end portion of the looped member. The second portion of the backspan and the third portion of the backspan are in lateral contact.",
  "claims": [
    "1. A staple cartridge assembly for use with a surgical stapling instrument, the staple cartridge assembly comprising: a plurality of surgical staples supported in a spaced relation to each other, each of the plurality of surgical staples including: a first leg having a first end portion and a second end portion; a second leg having a first end portion and a second end portion; and a backspan including: a first portion having a looped member, the looped member including a first end portion and a second end portion; a second portion extending between the first end portion of the first leg and the first end portion of the looped member; and a third portion extending between the first end portion of the second leg and the second end portion of the looped member; a staple cartridge having a plurality of staple pockets disposed in rows and skewingly positioned relative to a longitudinal axis of the staple cartridge, wherein each of the plurality of staple pockets is configured to receive at least one of the plurality of surgical staples such that the first leg and the second leg of each of the plurality of surgical staples is longitudinally aligned relative to the first leg and the second leg of each of the other plurality of surgical staples; and a plurality of pushers, each of the plurality of pushers associated with a respective one of the plurality of staple pockets and each of the plurality of pushers configured to advance one of the plurality of surgical staples from the respective one of the plurality of staple pockets.",
    "2. The staple cartridge assembly according to claim 1, wherein each of the plurality of staple pockets includes a contour having a first segment shaped and dimensioned to receive the first leg of the surgical staple, a second segment shaped and dimensioned to receive the second leg of the surgical staple, and an intermediate segment shaped and dimensioned to receive the backspan of the surgical staple, wherein the contour of each of the plurality of staple pockets are skewingly positioned relative to the longitudinal axis of the staple cartridge.",
    "3. The staple cartridge assembly according to claim 1, wherein each of the plurality of pushers includes a staple seat configured to releasably receive a respective backspan of each of the plurality of surgical staples, the staple seat being skewingly positioned relative to a longitudinal axis of each of the plurality of pushers, wherein the staple seat of each of the plurality of pushers is adapted to align each of the plurality of surgical staples with each of the plurality of staple pockets of the staple cartridge.",
    "4. The staple cartridge assembly according to claim 3, wherein the staple seat of each of the plurality of pushers includes a first wall projecting from a first portion of the staple seat, and a second wall projecting from a second portion of the staple seat, the first wall and the second wall defining a skewed channel extending between the first portion of the staple seat and the second portion of the staple seat, the skewed channel being skewingly positioned relative to the longitudinal axis of the pusher.",
    "5. The staple cartridge assembly according to claim 4, wherein the skewed channel of the staple seat of each of the plurality of pushers is adapted to releasably receive the respective backspan of each of the plurality of surgical staples such that each of the plurality of surgical staples are skewingly positioned on the staple seat of each of the plurality of pushers relative to the longitudinal axis of each of the plurality of pushers.",
    "6. The staple cartridge assembly according to claim 4, wherein when each of the plurality of surgical staples are positioned on a respective staple seat of each of the plurality of pushers, the first wall of respective staple seat is configured to engage the second portion of the respective backspan of each of the plurality of surgical staples and the second wall of the respective staple seat is configured to engage the third portion of the respective backspan of each of the plurality of surgical staples to releasably receive the respective backspan of each of the plurality of surgical staples."
  ],
  "description_excerpt": "The present disclosure relates to surgical staples for use with surgical stapling instruments. More particularly, the present disclosure relates to surgical staples for use with surgical stapling instruments for joining tissue of varying thicknesses.\n\nSurgical staples are applied to tissue using surgical stapling instruments to join tissue or tissue segments in a fast and efficient manner in a variety of surgical procedures, e.g., anastomoses procedures.\n\nTypically, a surgical staple includes a backspan and a pair of spaced legs. The legs are driven through tissue and into an anvil assembly of a surgical stapling instrument to deform the staple into a desired configuration, e.g., B-staple, to effect hemostasis. Current surgical staples are particularly sized and suited for tissue of a given thickness range to effect hemostasis. As such, a clinician must choose a staple having an appropriate size for a given tissue thickness range to ensure effective hemostasis. If the tissue thickness is misidentified by the clinician or if the tissue thickness falls near the outer edges of the range for a given staple size, the likelihood of ineffective hemostasis is increased.\n\nAccordingly, a continuing need exists in the suturing arts for a surgical staple that is capable of accommodating a greater range of tissue thicknesses to provide the clinician greater flexibility when performing a variety of surgical procedures.\n\nThe present disclosure provides in one aspect a surgical staple including a body having a first leg, a second leg, and a backspan. The first and second legs each have a first end portion and a second end portion.",
  "cpc": [
    "A61B 17/0644",
    "A61B 17/068",
    "A61B 17/072",
    "A61B 17/07207",
    "A61B 2017/00398",
    "A61B 2017/00473",
    "A61B 2017/00862",
    "A61B 2017/00884",
    "A61B 2017/00893",
    "A61B 2017/07228",
    "A61B 2017/07235",
    "A61B 2017/07242",
    "A61B 2017/0725",
    "A61B 2017/07264",
    "A61B 2017/07271",
    "A61B 2017/07278",
    "A61B 2017/07285"
  ],
  "ipc": [
    "A61B 17/064",
    "A61B 17/072"
  ],
  "assignees": [
    "Covidien LP"
  ],
  "inventors": [
    "Stanislaw Kostrzewski"
  ],
  "filing_date": "2017-05-05",
  "publication_date": "2020-01-07",
  "grant_date": "2020-01-07",
  "priority_date": "2017-05-05",
  "application_number": "US-201715587747-A",
  "family_id": "62116748",
  "cited_by_count": 673,
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