Structure for applying sprayable wound treatment material

• US 20060108393A1
• Filed: 10/14/2005
• Published: 05/25/2006
• 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 7,922,743 B2
• Time in Patent Office: Days
• US Class Current: 227/179.100
• 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 surgical stapling apparatus, comprising:

a body portion;

an actuation assembly operatively supported at a proximal end of the body portion;

a staple pusher member operatively disposed at a distal end of the body portion and being operatively connected to the actuation assembly for expelling an annular array of staples from the body portion;

an anvil assembly movably mounted at the distal end of the body portion for movement toward and away from the staple pusher member;

an approximation assembly extending between the body portion and the anvil assembly for moving the anvil toward and away from the tubular body portion; and

a wound treatment material dispersion system for delivering wound treatment material to a target surgical site, the 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.

2. The surgical stapling apparatus according to claim 1, wherein the wound treatment material is at least one of an adhesive, a sealant, a hemostat, and a medicament.

3. The surgical stapling apparatus according to claim 2, wherein the dispersion system includes a nozzle supported on an anvil member of the anvil assembly, and wherein the aperture formed in the anvil assembly is provided in the nozzle.

4. The surgical stapling apparatus according to claim 3, wherein the dispersion system includes a lumen extending through a stem of the anvil assembly which is in fluid communication with the aperture formed in the nozzle.

5. The surgical stapling apparatus according to claim 4, wherein the lumen of the stem of the anvil assembly is fluid communicatable with the source of wound treatment material.

6. The surgical stapling apparatus according to claim 5, wherein the surgical stapling apparatus is configured and adapted to dispense wound treatment material onto the target surgical site at least one of before, during and after firing of the surgical stapling apparatus.

7. The surgical stapling apparatus according to claim 2, wherein the source of wound treatment material of the dispersion system is an ampoule selectively positionable within a stem of the anvil assembly.

8. The surgical stapling apparatus according to claim 7, wherein the ampoule is constructed from a breakable material, and wherein, during use, upon compression of the ampoule, wound treatment material is released from the ampoule for transmission to the aperture of the anvil assembly.

9. The surgical stapling apparatus according to claim 8, wherein the dispersion system includes a piston configured and dimensioned for insertion into the stem of the anvil assembly to rupture the ampoule and force wound treatment material out through the aperture of the anvil assembly and onto the target surgical site at least one of before, during and after firing of the surgical stapling apparatus.

10. The surgical stapling apparatus according to claim 7, wherein the ampoule defines a lumen therethrough and includes a plunger slidably positioned within the lumen thereof.

11. The surgical stapling apparatus according to claim 10, wherein the lumen of the ampoule is in fluid communication with the aperture of the anvil assembly when the ampoule is positioned within the stem of the anvil assembly.

12. The surgical stapling apparatus according to claim 11, wherein the dispersion system includes a piston configured and dimensioned for insertion into the lumen of the ampoule to engage the plunger and to force the plunger through the lumen of the ampoule to dispense wound treatment material out through the aperture of the anvil assembly and onto the target surgical site at least one of before, during and after firing of the surgical stapling apparatus.

13. The surgical stapling apparatus according to claim 2, wherein the dispersion system further 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.

14. The surgical stapling apparatus according to claim 13, wherein the dispersion system includes a first drape positioned distally of the aperture of the anvil assembly and a second drape positioned proximally of the aperture of the anvil assembly.

15. The surgical stapling apparatus according to claim 14, wherein, when the drapes are in the deployable condition, the drapes direct the dispersion of the wound treatment material.

16. The surgical stapling apparatus according to claim 2, wherein a stem of the anvil assembly includes an annular groove formed proximally and distally of the aperture of the anvil assembly.

17. The surgical stapling apparatus according to claim 2, further comprising an annular blade retractably disposed at a distal end of the body portion, wherein the annular blade includes a plurality of openings formed therein.

18. The surgical stapling apparatus according to claim 2, wherein the dispersion system includes a plurality of tubular members supported within a lumen of a stem of the anvil assembly, wherein the tubular members define the source of wound treatment material, and wherein the tubular members have an undeployed condition in which the tubular members are disposed within the lumen of the stem, and a deployed condition in which the tubular members project from windows formed in the stem of the anvil assembly.

19. The surgical stapling apparatus according to claim 18, wherein when the tubular members are actuated from the undeployed to the deployed condition, the tubular members rupture to dispense wound treatment material.

20. A surgical stapling apparatus, comprising:

a body portion;

an actuation assembly operatively supported at a proximal end of the body portion;

a staple pusher member operatively disposed at a distal end of the body portion and being operatively connected to the actuation assembly for expelling an annular array of staples from the body portion;

an anvil assembly movably mounted at the distal end of the body portion for movement toward and away from the staple pusher member;

an approximation assembly extending between the body portion and the anvil assembly for moving the anvil toward and away from the tubular body portion; and

a wound treatment material dispersion system for delivering wound treatment material to a target surgical site, the 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.

21. The surgical stapling apparatus according to claim 20, wherein the wound treatment material is at least one of an adhesive, a sealant, a hemostat, and a medicament.

22. The surgical stapling apparatus according to claim 21, wherein the source of wound treatment material includes a capsule disposed within each needle receiving slot.

23. The surgical stapling apparatus according to claim 22, wherein the dispersion system includes a finger disposed in each needle receiving slot, wherein upon firing of the surgical stapling apparatus the fingers are advanced through the needle receiving slots to rupture the capsules, to deploy the needles, and to push the wound treatment material through the needles.

24. A splash 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 splash 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.

25. The splash guard according to claim 24, further comprising at least one spoke interconnecting the annular cuff to the central hub.

26. The splash guard according to claim 25, wherein at least the annular cuff and the at least one spoke are fabricated from a bio-absorbable material.

27. The splash guard according to claim 26, 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.

28. 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.

29. The wound treatment material dispersion system according to claim 28, wherein the wound treatment material is at least one of an adhesive, a sealant, a hemostat, and a medicament.

30. The wound treatment material dispersion system according to claim 29, 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.

31. The wound treatment material dispersion system according to claim 30, wherein the inner annular wall and the outer annular wall are disposed along one side of the disc.

32. 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.

33. The method according to claim 32, wherein the wound treatment material is at least one of an adhesive, a sealant, a hemostat, and a medicament.

34. The method according to claim 33, wherein the wound treatment material is dispensed from at least one of an anvil member and an anvil stem of the anvil assembly.

35. The method according to claim 34, 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.

36. The method according to claim 35, 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.

37. The method according to claim 34, 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.

38. The method according to claim 37, 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.

39. The method according to claim 35, further comprising the step of placing a splash 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.

40. The method according to claim 39, wherein the splash 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.

41. The method according to claim 40, wherein the splash guard further includes at least one spoke interconnecting the annular cuff to the central hub.

42. The method according to claim 41, wherein at least the annular cuff and the at least one spoke are fabricated from a bio-absorbable material.

43. The method according to claim 42, wherein the annular cuff is concave and defines an upper rim and a lower rim, and wherein when the splash 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.

44. 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.

45. The method according to claim 44, wherein the wound treatment material is at least one of an adhesive, a sealant, a hemostat, and a medicament.

46. The method according to claim 45, wherein the source of wound treatment material includes a capsule disposed within each needle receiving slot at a location proximal of the needle.

47. The method according to claim 46, 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.