Annular support structures
First Claim
1. A support structure, for use in conjunction with a circular endoscopic stapling instrument having a staple cartridge assembly and an anvil assembly, the staple cartridge assembly having at least one annular arrangement of staple slots and staples positioned in the slots, the support structure comprising:
- an annular ring configured to substantially overlie the at least one annular arrangement of staples of the staple cartridge assembly the annular ring including;
an outer annular wall having a diameter;
an inner annular wall spaced a radial distance inward of the outer annular wall and defining a space;
an upper wall interconnecting the outer annular wall and the inner annular wall; and
a lower wall spaced a distance from the upper wall and interconnecting the outer annular wall and the inner annular wall, the outer annular wall, the inner annular wall and the upper and lower walls defining an interior sealed reservoir; and
a wound closure material retained in the sealed reservoir, wherein the sealed reservoir is configured to dispense the wound closure material upon penetration by the staples during use.
2 Assignments
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Accused Products
Abstract
Reinforcing lumen rings are configured and adapted for use in conjunction with a circular endoscopic stapling instrument having a staple cartridge assembly and an anvil assembly. The reinforcing lumen rings maintain anastomotic lumen, e.g. as formed by the circular endoscopic stapling apparatus, in an open condition. The reinforcing lumen rings can include an annular ring having an outer terminal edge and an inner terminal edge, the outer terminal edge having a diameter which is substantially equal to an outer diameter of the staple cartridge assembly and the inner terminal edge having a diameter which is substantially equal to an inner diameter of the staple cartridge assembly.
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Citations
17 Claims
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1. A support structure, for use in conjunction with a circular endoscopic stapling instrument having a staple cartridge assembly and an anvil assembly, the staple cartridge assembly having at least one annular arrangement of staple slots and staples positioned in the slots, the support structure comprising:
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an annular ring configured to substantially overlie the at least one annular arrangement of staples of the staple cartridge assembly the annular ring including; an outer annular wall having a diameter; an inner annular wall spaced a radial distance inward of the outer annular wall and defining a space; an upper wall interconnecting the outer annular wall and the inner annular wall; and a lower wall spaced a distance from the upper wall and interconnecting the outer annular wall and the inner annular wall, the outer annular wall, the inner annular wall and the upper and lower walls defining an interior sealed reservoir; and a wound closure material retained in the sealed reservoir, wherein the sealed reservoir is configured to dispense the wound closure material upon penetration by the staples during use. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A support structure, for use in conjunction with a circular endoscopic stapling instrument having a staple cartridge assembly and an anvil assembly, the staple cartridge assembly having at least one annular arrangement of staple slots and staples positioned in the slots, the support structure comprising:
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an annular ring configured to substantially overlie the at least one annular arrangement of staples of the staple cartridge assembly, the annular ring including; an outer annular wall having a diameter; an inner annular wall spaced a radial distance inward of the outer annular wall and defining a space; an upper wall interconnecting the outer annular wall and the inner annular wall; and a lower wall spaced a distance from the upper wall and interconnecting the outer annular wall and the inner annular wall, the outer annular wall, the inner annular wall and the upper and lower walls defining an interior sealed reservoir; a wound closure material retained in the sealed reservoir and being dispensed therefrom upon penetration by the staples during use; and at least one removable support spoke integrally connected to and extending diametrically across the inner annular wall. - View Dependent Claims (17)
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Specification