Surgical stapling apparatus
First Claim
1. A surgical stapling apparatus, comprising:
- a housing;
a handle supported by the housing;
an elongated body extending distally from the housing;
a tool assembly at the distal end of the elongated body, the tool assembly having a cartridge assembly including a staple cartridge having a plurality of surgical fasteners therein, and an anvil assembly, at least one of the cartridge assembly and anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, wherein the anvil assembly includes an anvil plate, and wherein each of the anvil plate and the staple cartridge define an elongate longitudinal slot;
a surgical buttress disposed on a tissue contacting surface of a selected one of the anvil assembly and the staple cartridge, wherein the surgical buttress is secured to the selected one of the anvil assembly and the cartridge assembly by a suture disposed in a retention slot defined in the tissue contacting surface of the selected one of the anvil assembly and the staple cartridge, the suture passing transversely across the surgical buttress; and
a release assembly that grips the suture prior to an actuation of a drive assembly movable in the longitudinal slot and including;
a first bar extending across the longitudinal slot prior to an actuation of the drive assembly; and
a second bar, connected to and actuatable by the first bar, having an end extending at least partially into the retention slot, prior to an actuation of the drive assembly.
2 Assignments
0 Petitions
Accused Products
Abstract
A loading unit for use with a surgical stapling apparatus is provided and includes a tool assembly having a cartridge assembly and an anvil assembly that are movable in relation to one another; a surgical buttress releasably secured to a tissue contacting surface of the anvil assembly and/or the cartridge assembly, wherein each surgical buttress is secured to the anvil assembly and/or the cartridge assembly by at least one anchor; a release assembly associated with the anvil assembly and/or the cartridge assembly; and a drive assembly slidably translatable through the tool assembly between proximal and distal positions, wherein the drive assembly actuates the release assembly to thereby release the anchor to free the surgical buttress from the anvil assembly and/or the cartridge assembly.
2044 Citations
42 Claims
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1. A surgical stapling apparatus, comprising:
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a housing; a handle supported by the housing;
an elongated body extending distally from the housing;a tool assembly at the distal end of the elongated body, the tool assembly having a cartridge assembly including a staple cartridge having a plurality of surgical fasteners therein, and an anvil assembly, at least one of the cartridge assembly and anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, wherein the anvil assembly includes an anvil plate, and wherein each of the anvil plate and the staple cartridge define an elongate longitudinal slot; a surgical buttress disposed on a tissue contacting surface of a selected one of the anvil assembly and the staple cartridge, wherein the surgical buttress is secured to the selected one of the anvil assembly and the cartridge assembly by a suture disposed in a retention slot defined in the tissue contacting surface of the selected one of the anvil assembly and the staple cartridge, the suture passing transversely across the surgical buttress; and a release assembly that grips the suture prior to an actuation of a drive assembly movable in the longitudinal slot and including; a first bar extending across the longitudinal slot prior to an actuation of the drive assembly; and a second bar, connected to and actuatable by the first bar, having an end extending at least partially into the retention slot, prior to an actuation of the drive assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A surgical stapling apparatus, comprising:
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a housing; a handle supported by the housing; an elongated body extending distally from the housing; a tool assembly at the distal end of the elongated body, the tool assembly having a cartridge assembly including a staple cartridge having a plurality of surgical fasteners therein, and an anvil assembly, at least one of the cartridge assembly and anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, wherein the anvil assembly includes an anvil plate, and wherein each of the anvil plate and the staple cartridge define an elongate longitudinal slot; a plurality of sutures; a surgical buttress disposed on a tissue contacting surface of a selected one of the anvil assembly and the staple cartridge, wherein the surgical buttress is secured to the selected one of the anvil assembly and the cartridge assembly by a suture disposed in a retention slot defined in the tissue contacting surface of the selected one of the anvil assembly and the staple cartridge, the suture passing transversely across the surgical buttress; an anvil release assembly and a cartridge release assembly, each of the anvil assembly and the cartridge assembly defining a retention slot, a first suture in a retention slot of the anvil assembly and a second suture in a retention slot of the cartridge assembly, wherein each release assembly includes; a first bar extending across the longitudinal slot prior to an actuation of a drive assembly; and a second bar, connected to and actuatable by the first bar, having an end extending at least partially into the retention slot, prior to an actuation of the drive assembly; wherein as the drive assembly is advanced to the distal position, the drive assembly actuates the first bar of each release assembly which in turn actuates the second bar of each release assembly to release the suture disposed within the retention slot. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A surgical stapling apparatus, comprising:
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a housing; a handle supported by the housing; an elongated body extending distally from the housing; a tool assembly at the distal end of the elongated body, the tool assembly having a cartridge assembly including a staple cartridge having a plurality of surgical fasteners therein, and an anvil assembly, at least one of the cartridge assembly and anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, wherein the anvil assembly includes an anvil plate, and wherein each of the anvil plate and the staple cartridge define an elongate longitudinal slot; a surgical buttress disposed on a tissue contacting surface of a selected one of the anvil assembly and the staple cartridge, wherein the surgical buttress is secured to the selected one of the anvil assembly and the cartridge assembly by a suture disposed in a retention slot defined in the tissue contacting surface of the selected one of the anvil assembly and the staple cartridge, the suture passing transversely across the surgical buttress; and at least one of the anvil assembly and the cartridge assembly includes a constricting, open-ended, side slot configured to grip an end of the suture, and further comprising a release assembly to push the end of the suture out of the retention slot. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A surgical stapling apparatus, comprising:
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a housing; a handle supported by the housing; an elongated body extending distally from the housing; a tool assembly at the distal end of the elongated body, the tool assembly having a cartridge assembly including a staple cartridge having a plurality of surgical fasteners therein, and an anvil assembly, at least one of the cartridge assembly and anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, wherein the anvil assembly includes an anvil plate, and wherein each of the anvil plate and the staple cartridge define an elongate longitudinal slot; and a surgical buttress disposed on a tissue contacting surface of a selected one of the anvil assembly and the staple cartridge, wherein the surgical buttress is secured to the selected one of the anvil assembly and the cartridge assembly by a suture disposed in a retention slot defined in the tissue contacting surface of the selected one of the anvil assembly and the staple cartridge, the suture passing transversely across the surgical buttress, wherein the surgical buttress defines a notch that is open at a lateral side of the surgical buttress, the suture extending into the notch. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. A loading unit for use with a surgical stapling apparatus, the loading unit comprising:
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a tool assembly having a cartridge assembly including a cartridge having a plurality of surgical fasteners therein, and an anvil assembly, at least one of the cartridge assembly and the anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, wherein the anvil assembly includes an anvil plate and, wherein each of the anvil plate and the staple cartridge define an elongate longitudinal slot; a surgical buttress disposed on a tissue contacting surface of at least one of the anvil assembly and the staple cartridge, wherein the surgical buttress is secured to the selected one of the anvil assembly and the cartridge assembly by a suture disposed in a retention slot defined in the tissue contacting surface of the selected one of the anvil assembly and the staple cartridge, the suture passing transversely across the surgical buttress; a release assembly that grips the suture prior to an actuation of a drive assembly movable in the longitudinal slot including; a first bar extending across the longitudinal slot prior to an actuation of the drive assembly, the drive assembly being movable in the longitudinal slot; and a second bar, connected to and actuatable by the first bar, having an end extending at least partially into the retention slot, prior to an actuation of the drive assembly. - View Dependent Claims (31, 32, 33, 34)
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35. A loading unit for use with a surgical stapling apparatus, the loading unit comprising:
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a tool assembly having a cartridge assembly including a cartridge having a plurality of surgical fasteners therein, and an anvil assembly, at least one of the cartridge assembly and the anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, wherein the anvil assembly includes an anvil plate and, wherein each of the anvil plate and the staple cartridge define an elongate longitudinal slot; a surgical buttress disposed on a tissue contacting surface of at least one of the anvil assembly and the staple cartridge, wherein the surgical buttress is secured to the selected one of the anvil assembly and the cartridge assembly by a suture disposed in a retention slot defined in the tissue contacting surface of the selected one of the anvil assembly and the staple cartridge, the suture passing transversely across the surgical buttress; each of the anvil assembly and the cartridge assembly including a release assembly, each release assembly including; a first bar extending across the longitudinal slot prior to an actuation of a drive assembly; and a second bar, connected to and actuatable by the first bar, having an end extending at least partially into the retention slot, prior to an actuation of the drive assembly, wherein as the drive assembly is advanced to the distal position, the drive assembly actuates the first bar of each release assembly which in turn actuates the second bar of each release assembly to release the suture disposed within the retention slot. - View Dependent Claims (36, 37, 38, 39)
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40. A loading unit for use with a surgical stapling apparatus, the loading unit comprising:
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a tool assembly having a cartridge assembly including a cartridge having a plurality of surgical fasteners therein, and an anvil assembly, at least one of the cartridge assembly and the anvil assembly being movable in relation to the other of the cartridge assembly and anvil assembly, wherein the anvil assembly includes an anvil plate and, wherein each of the anvil plate and the staple cartridge define an elongate longitudinal slot; a surgical buttress disposed on a tissue contacting surface of at least one of the anvil assembly and the staple cartridge, wherein the surgical buttress is secured to the selected one of the anvil assembly and the cartridge assembly by a suture disposed in a retention slot defined in the tissue contacting surface of the selected one of the anvil assembly and the staple cartridge, the suture passing transversely across the surgical buttress; wherein at least one of the anvil assembly and the cartridge assembly includes a constricting, open-ended, side slot configured to grip an end of the suture, and further comprising a release assembly to push the end of the suture out of the retention slot. - View Dependent Claims (41, 42)
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Specification