Anastomotic staple with capillary which expels a bonding agent upon deformation

• US 9,301,762 B2
• Filed: 06/08/2009
• Issued: 04/05/2016
• Est. Priority Date: 05/09/2003
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Meagher, Edward C.
• Primary Examiner(s): Weeks, Gloria R
• Application Number:
  US12/480,235
• Publication Number:
  US 20090270887A1
• Time in Patent Office: 2,493 Days
• Field of Search: 606/151, 606/154, 227/176.1, 227/179.1, 227/181.1
• US Class Current: 1/1
• CPC Class Codes: A61B 17/00491 Surgical glue applicators surgical adhesives A61L24/00; two-component delivery syringes A61M5/19
• CPC Class Codes: A61B 17/0644 penetrating the tissue, deformable to closed position
• CPC Class Codes: A61B 17/068 Surgical staplers , e.g. containing multiple staples or clampsstaplers containing only one staple A61B17/10; magazines or containers for staples A61B17/105; for performing anastomosis A61B17/115; staplers in general B25C5/00
• CPC Class Codes: A61B 17/1114 of the digestive tract, e.g. bowels or oesophagus
• CPC Class Codes: A61B 17/115 Staplers for performing anastomosis in a single operation
• CPC Class Codes: A61B 2017/00893 pharmaceutically effective
• CPC Class Codes: A61B 2017/0641 having at least three legs as part of one single body
• CPC Class Codes: A61B 2017/1107 for blood vessels
• CPC Class Codes: A61B 2017/1135 End-to-side connections, e.g. T- or Y-connections Y-shaped blood vessel prostheses A61F2002/065

Abstract

A surgical fastener for use with an anastomosis of two tissues includes a base leg and an upright leg. The base leg is selectively deformable and includes a traumatic tip for piecing tissue. The surgical fastener also includes at least one capillary disposed on the base leg which has a reservoir defined therein for retaining a liquid, e.g., bioadhesive, bonding agent, medicament, etc. Each of the capillaries is ruptureable upon deformation of the surgical fastener to dispense the liquid to the anastomosis site.

Claims

1. A surgical fastener for use with an anastomosis of two tissues, comprising:

a base leg and an upright leg, said base leg being selectively deformable and including at least one traumatic tip for piercing tissue; and

at least one capillary disposed on said base leg having a reservoir defined therein for retaining a liquid, each of said at least one capillary being rupturable upon deformation of said surgical fastener to dispense said liquid simultaneously with being ruptured.

2. A surgical fastener for use with an anastomosis according to claim 1 wherein said liquid in said reservoir includes at least one of a bonding agent, medicinal agent and therapeutic agent.

3. A surgical fastener for use with an anastomosis according to claim 2 wherein at least one of said medicinal agent or therapeutic agent includes an agent selected from the group consisting of an anti-coagulant, a bio-adhesive, a coagulant, an antibiotic, a sterilizing solution, an anti-inflammatory medication, an inflammatory medications, an immuno-stimulating agent, an antiviral agent, and an anti-rejection medication.

4. A surgical fastener for use with an anastomosis according to claim 1 wherein said reservoir includes a series of chambers, each of said chambers including a liquid disposed therein selected from the group consisting of:

bonding agents, medicinal agents and therapeutic agents.

5. A surgical fastener for use with an anastomosis according to claim 1 wherein said liquid is a bonding agent designed to adhere to tissue upon curing.

6. A surgical fastener for use with an anastomosis according to a claim 1 wherein said base leg of said surgical fastener includes first and second capillaries which are configured to sequentially rupture upon deformation.

7. A surgical fastener for use with an anastomosis according to claim 6 wherein said first capillary includes a medicinal agent and said second capillary includes a bonding agent.

8. A surgical fastener for use with an anastomosis according to claim 6 wherein said first capillary includes a bonding agent activatable in response to exposure to a curing agent and said second capillary includes said curing agent.

9. A surgical fastener for use with an anastomosis according to claim 1 wherein said surgical fastener includes at least two capillaries which are radially disposed along the base leg of said surgical fastener.

10. A surgical fastener for use with an anastomosis according to claim 1 wherein the at least one capillary is configured to rupture at multiple locations along the length thereof.

11. A surgical fastener for use with a surgical instrument for performing an anastomosis between two tissues wherein the surgical instrument includes a selectively engageable loading unit for supporting an array of surgical fasteners and an actuator for initiating deformation of the surgical fasteners, each of the surgical fasteners comprising:

a base leg and an upright leg, said base leg being selectively deformable and including a tip for piecing tissue; and

at least one capillary disposed on said base leg having a reservoir defined therein for retaining a liquid, each of said at least one capillary being rupturable to dispense said liquid simultaneously upon actuation of the surgical instrument and deformation of each surgical fastener.

12. A surgical fastener for use with an anastomosis according to claim 11 wherein said liquid in said reservoir includes at least one of a bonding agent, medicinal agent and therapeutic agent.

13. A surgical fastener for use with an anastomosis according to claim 12 wherein at least one of said medicinal agent or therapeutic agent includes an agent selected from the group consisting of an anti-coagulant, a bio-adhesive, a coagulant, an antibiotic, a sterilizing solution, an anti-inflammatory medication, an inflammatory medications, an immuno-stimulating agent, an antiviral agent, and an anti-rejection medication.

14. A surgical fastener for use with an anastomosis according to claim 11 wherein said reservoir includes a series of chambers, each of said chambers including a liquid disposed therein selected from the group consisting of:

bonding agents, medicinal agents and therapeutic agents.

15. A surgical fastener for use with an anastomosis according to claim 11 wherein said liquid is a bonding agent designed to adhere to tissue upon curing.

16. A surgical fastener for use with an anastomosis according to a claim 11 wherein said base leg of said surgical fastener includes first and second capillaries which are configured to sequentially rupture upon deformation.

17. A surgical fastener for use with an anastomosis according to claim 16 wherein said first capillary includes a medicinal agent and said second capillary includes a bonding agent.

18. A surgical fastener for use with an anastomosis according to claim 16 wherein said first capillary includes a bonding agent activatable in response to exposure to a curing agent and said second capillary includes said curing agent.

19. A surgical fastener for use with an anastomosis according to claim 11 wherein said surgical fastener includes at least two capillaries which are radially disposed along the base leg of said surgical fastener.

20. A surgical fastener for use with an anastomosis according to claim 11 wherein the at least one capillary is configured to rupture at multiple locations along the length thereof.