STRUCTURE FOR APPLYING SPRAYABLE WOUND TREATMENT MATERIAL

• US 20110147432A1
• Filed: 03/03/2011
• Published: 06/23/2011
• Est. Priority Date: 10/18/2004
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Tyco Healthcare Group LP (Medtronic Plc)
• Inventors: Heinrich, Russell, Fowler, David, Capella, Robert, Bettuchi, Michael J., Hauschild, John
• Granted Patent: US 8,821,523 B2
• Time in Patent Office: Days
• US Class Current: 227/175.1
• CPC Class Codes: A61B 17/00491 Surgical glue applicators surgical adhesives A61L24/00; two-component delivery syringes A61M5/19
• CPC Class Codes: A61B 17/115 Staplers for performing anastomosis in a single operation
• CPC Class Codes: A61B 17/1155 Circular staplers comprising a plurality of staples
• CPC Class Codes: A61B 2017/00893 pharmaceutically effective

Abstract

The present disclosure relates to surgical instruments, structures and methods for enhancing the properties of tissue to be repaired or joined. According to an aspect of the present disclosure, a surgical stapling apparatus is provided including a wound treatment material dispersion system for delivering wound treatment material to a target surgical site. The dispersion system includes an aperture formed in the anvil assembly oriented to dispense wound treatment material in an outward direction; and a source of wound treatment material in fluid communication with the aperture of the anvil assembly.

Claims

1. A guard for use in combination with an anastomotic surgical stapling apparatus, wherein the surgical stapling apparatus is configured and adapted to deliver wound treatment material to a target surgical site, wherein the guard comprises:

a central hub defining a lumen therethrough for receiving a stem of an anvil assembly of the surgical stapling apparatus; and

an annular cuff supported on the central hub and extending at least substantially therearound, wherein the annular cuff is disposed radially outward of a staple line of the surgical stapling apparatus.

2. The guard according to claim 1, further comprising at least one spoke interconnecting the annular cuff to the central hub.

3. The guard according to claim 2, wherein at least the annular cuff and the at least one spoke are fabricated from a bio-absorbable material.

4. The guard according to claim 3, wherein the annular cuff is concave and defines an upper rim and a lower rim, wherein the upper and lower rims are dimensioned to contact an outer surface of the target surgical site.

5. A wound treatment material dispersion system for use in combination with an anastomotic surgical stapling apparatus, wherein the surgical stapling apparatus includes an anvil assembly supported opposite a staple pusher member, wherein the wound treatment material dispersion system comprises:

a disc defining an outer edge and an inner edge, the disc including a plurality of apertures formed therethrough;

at least one of an annular inner wall integrally connected to the inner edge of the disc and an annular outer wall integrally connected to the outer edge; and

wound treatment material disposed on a surface of the disc.

6. The wound treatment material dispersion system according to claim 5, wherein the wound treatment material is at least one of an adhesive, a sealant, a hemostat, and a medicament.

7. The wound treatment material dispersion system according to claim 6, wherein the inner annular wall is configured and dimensioned for positioning inwardly of the staple pusher member, and wherein the outer annular wall is configured and dimensioned for positioning outwardly of the staple pusher member.

8. The wound treatment material dispersion system according to claim 7, wherein the inner annular wall and the outer annular wall are disposed along one side of the disc.

9. A method of performing a surgical anastomosis procedure, comprising the steps of:

providing a surgical stapling apparatus having an anvil assembly movably mounted with respect to a body portion and a wound treatment material dispersion system for dispensing wound treatment material onto a target surgical site, the wound treatment material dispersion system including;

an aperture formed in the anvil assembly oriented to dispense wound treatment material in an outward direction; and

a source of wound treatment material in fluid communication with the aperture of the anvil assembly;

disposing an anvil assembly into a first intestinal section and surgically securing the first intestinal section to the anvil assembly;

disposing a distal end portion of the surgical stapling apparatus into a second intestinal section and surgically securing the second intestinal section to the distal end of the surgical stapling apparatus;

connecting the anvil assembly to the distal end portion of the surgical stapling apparatus;

actuating the wound treatment material dispersion system to dispense wound treatment material along an inner surface and between the first and the second intestinal sections; and

approximating the anvil assembly toward the tubular body portion.

10. The method according to claim 9, wherein the wound treatment material is at least one of an adhesive, a sealant, a hemostat, and a medicament.

11. The method according to claim 10, wherein the wound treatment material is dispensed from at least one of an anvil member and an anvil stem of the anvil assembly.

12. The method according to claim 11, wherein the wound treatment material is contained within an ampoule in the stem of the anvil assembly, wherein the method further includes the step of firing the surgical stapling apparatus for release the wound treatment material from the ampoule and to dispense the wound treatment material from the aperture of the anvil assembly.

13. The method according to claim 12, wherein the dispersion system includes a piston configured and adapted for engagement with the ampoule disposed within the stem of the anvil assembly, wherein the method further includes the step of advancing the piston to release the wound treatment material from the ampoule and to dispense the wound treatment material from the aperture of the anvil assembly.

14. The method according to claim 11, wherein the dispersion system includes at least one drape supported on and substantially surrounding a stem of the anvil assembly, wherein the drape includes an undeployed condition in which the drape is in relatively close proximity to the stem of the anvil assembly, and a deployed condition in which the drape is in relatively spaced relation to the stem of the anvil assembly.

15. The method according to claim 14, including the step of deploying the drape prior to dispersing wound treatment material, wherein, when the drapes are in the deployable condition, the drapes direct the dispersion of the wound treatment material.

16. The method according to claim 12, further comprising the step of placing a guard over the stem of the anvil assembly prior to the connecting of the anvil assembly to the distal end portion of the surgical stapling apparatus.

17. The method according to claim 16, wherein the guard includes:

a central hub defining a lumen therethrough for receiving a stem of an anvil assembly of the surgical stapling apparatus; and

an annular cuff supported on the central hub and extending at least substantially therearound, wherein the annular cuff is disposed radially outward of a staple line of the surgical stapling apparatus.

18. The method according to claim 17, wherein the guard further includes at least one spoke interconnecting the annular cuff to the central hub.

19. The method according to claim 18, wherein at least the annular cuff and the at least one spoke are fabricated from a bio-absorbable material.

20. The method according to claim 19, wherein the annular cuff is concave and defines an upper rim and a lower rim, and wherein when the guard is disposed on the stem of the anvil assembly and the anvil assembly is approximated toward the distal end portion of the surgical stapling apparatus, the upper and lower rims of the annular cuff are dimensioned to contact an outer surface of the first and second intestinal sections.

21. A method of performing a surgical anastomosis procedure, comprising the steps of:

providing a surgical stapling apparatus having an anvil assembly movably mounted with respect to a body portion and a wound treatment material dispersion system for dispensing wound treatment material onto a target surgical site, the wound treatment material dispersion system including;

a plurality of needles retractably supported in needle receiving slots provided in the staple pusher member, wherein when the surgical stapling apparatus is fired the needles penetrate the target tissue and dispense wound treatment material; and

a source of wound treatment material associated with each needle receiving slot;

disposing an anvil assembly into a first intestinal section and surgically securing the first intestinal section to the anvil assembly;

disposing a distal end portion of the surgical stapling apparatus into a second intestinal section and surgically securing the second intestinal section to the distal end of the surgical stapling apparatus;

connecting the anvil assembly to the distal end portion of the surgical stapling apparatus;

approximating the anvil assembly toward the tubular body portion; and

actuating the wound treatment material dispersion system to inject the plurality of needles into at least one of the first and second intestinal sections and to dispense wound treatment material through the needles.

22. The method according to claim 21, wherein the wound treatment material is at least one of an adhesive, a sealant, a hemostat, and a medicament.

23. The method according to claim 22, wherein the source of wound treatment material includes a capsule disposed within each needle receiving slot at a location proximal of the needle.

24. The method according to claim 23, wherein the dispersion system includes a finger disposed in each needle receiving slot, and wherein the method includes firing the surgical stapling apparatus to advance the fingers through the needle receiving slots to rupture the capsules, to deploy the needles, and to push the wound treatment material through the needles.