Surgical staple having a deformable member with a non-circular cross-sectional geometry

• US 20080082125A1
• Filed: 06/29/2007
• Published: 04/03/2008
• Est. Priority Date: 09/29/2006
• Status: Abandoned Application

• Current Assignee: Cilag Gmbh International (Johnson & Johnson)
• Original Assignee: Cilag Gmbh International (Johnson & Johnson)
• Inventors: Weiserburgh, William B., Morgan, Jerome R., Zwolinski, Andrew M., Hess, Christopher J., Murray, Michael A.
• Application Number:
  US11/824,299
• Publication Number:
  US 20080082125A1
• Time in Patent Office: Days
• US Class Current: 606/219
• CPC Class Codes: A61B 17/064 Surgical staples, i.e. penetrating the tissue
• 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 17/072 for applying a row of staples in a single action , e.g. the staples being applied simultaneously
• CPC Class Codes: A61B 17/07207 the staples being applied sequentially
• CPC Class Codes: A61B 17/07292 Reinforcements for staple line, e.g. pledgets
• CPC Class Codes: A61B 17/105 Wound clamp magazines for packaging sharps A61B50/3001
• CPC Class Codes: A61B 17/11 for performing anastomosis; Buttons for anastomosis
• 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 17/1155 Circular staplers comprising a plurality of staples
• CPC Class Codes: A61B 17/34 Trocars; Puncturing needles pointed biopsy instruments A61B10/0233; devices for piercing the ear-lobes A44C7/001; seals or hemostasis valves A61M39/06
• CPC Class Codes: A61B 2017/00004 (bio)absorbable, (bio)resorbable or resorptive
• CPC Class Codes: A61B 2017/00128 related to intensity or progress of surgical action
• CPC Class Codes: A61B 2017/00539 hydraulically
• CPC Class Codes: A61B 2017/00831 Material properties
• CPC Class Codes: A61B 2017/00862 elastic or resilient
• CPC Class Codes: A61B 2017/0641 having at least three legs as part of one single body
• CPC Class Codes: A61B 2017/07228 Arrangement of the staples
• CPC Class Codes: A61B 2017/07242 achieving different staple heights during the same shot, e.g. using an anvil anvil having different heights or staples of different sizes
• CPC Class Codes: A61B 2017/0725 : with settable gap between anvil and cartridge, e.g. for different staple heights at different shots
• CPC Class Codes: A61B 2017/07257 : characterised by its anvil
• CPC Class Codes: A61B 2017/07264 : characterised by its staple forming cavities, e.g. geometry or material
• CPC Class Codes: A61B 2017/07271 : characterised by its cartridge
• CPC Class Codes: A61B 2017/07278 : characterised by its sled or its staple holder
• CPC Class Codes: A61B 2017/07285 : characterised by its cutter
• CPC Class Codes: A61B 2017/2932 : Transmission of forces to jaw members
• CPC Class Codes: A61B 2017/2943 : Toothed members, e.g. rack and pinion
• CPC Class Codes: A61B 2017/320052 : Guides for cutting instruments
• CPC Class Codes: A61B 2018/00666 : using a threshold value
• CPC Class Codes: A61B 2090/032 : pressure limiting, e.g. hydrostatic
• CPC Class Codes: A61B 2090/036 : abutting on tissue or skin
• CPC Class Codes: A61B 2090/065 : for measuring contact or contact pressure
• CPC Class Codes: A61B 2090/0811 : for the position of a particular part of an instrument with respect to the rest of the instrument, e.g. position of the anvil of a stapling instrument
• CPC Class Codes: A61B 90/03 : Automatic limiting or abutting means, e.g. for safety

Abstract

A surgical staple including at least one deformable member which can be bent upon contacting an anvil of a surgical stapler. In various embodiments, at least a portion of the deformable member can include a non-circular cross-section which can dictate the direction and manner in which the deformable member is bent. In at least one various embodiment, the non-circular cross-section can include a flat portion which can cause the deformable member to bend in the direction of the flat portion. In various embodiments, the non-circular portion of the cross-section can be configured to abut soft tissue of a patient and apply a compressive force or pressure thereto. In various embodiments, a crown formed on the surgical staple can dissolve as the soft tissue heals and can, depending on the cross-sectional geometry of the deformable member, reduce the force or pressure applied to the soft tissue by the deformable member.

Claims

1. A surgical staple, comprising:

a base;

a crown, wherein said crown is comprised of a first dissolvable material; and

a first deformable member extending from said base, wherein at least a portion of said first deformable member includes a non-circular cross-section.

2. The surgical staple of claim 1, wherein said crown is overmolded onto said base.

3. The surgical staple of claim 1, further comprising a second deformable member extending from said base, wherein at least a portion of said second deformable member includes a non-circular cross-section.

4. The surgical staple of claim 1, wherein said first deformable member is comprised of a non-dissolvable material.

5. The surgical staple of claim 1, wherein said first deformable member is comprised of a second dissolvable material.

6. The surgical staple of claim 1, wherein said crown further includes at least one second material, wherein said second material comprises a therapeutic drug, and wherein the dissolution of said crown releases said therapeutic drug.

7. The surgical staple of claim 1, wherein said non-circular cross-section includes at least one flat surface.

8. The surgical staple of claim 7, wherein said non-circular cross-section further includes at least one arcuate surface.

9. The surgical staple of claim 1, wherein said non-circular cross-section includes a first flat surface and a second flat surface, and wherein said first flat surface is substantially parallel to said second flat surface.

10. The surgical staple of claim 1, wherein said first deformable member includes an end, and wherein said end includes said non-circular cross-section.

11. A surgical staple, comprising:

a base;

a crown, wherein said crown is comprised of a first bioabsorbable material;

a first deformable member extending from said base, wherein at least a portion of said first deformable member includes a cross-section having at least one flat surface.

12. The surgical staple of claim 11, wherein said crown is overmolded onto said base.

13. The surgical staple of claim 11, further comprising a second deformable member extending from said base, wherein at least a portion of said second deformable member includes a cross-section having at least one flat surface.

14. The surgical staple of claim 11, wherein said first deformable member is comprised of a non-bioabsorbable material.

15. The surgical staple of claim 11, wherein said first deformable member is comprised of a second bioabsorbable material.

16. The surgical staple of claim 11, wherein said crown further includes at least one second material, wherein said second material comprises a therapeutic drug, and wherein the absorption of said first material releases said therapeutic drug.

17. The surgical staple of claim 11, wherein said cross-section further includes at least one arcuate surface.

18. The surgical staple of claim 11, wherein said at least one flat surface includes a first flat surface and a second flat surface, and wherein said first flat surface is substantially parallel to said second flat surface.

19. The surgical staple of claim 11, wherein said first deformable member includes an end, and wherein said end includes said flat surface.

20. A surgical staple, comprising:

a base;

a first deformable member extending from said base, wherein said first deformable member is configured to capture soft tissue intermediate said first deformable member and said base, and wherein at least a portion of said first deformable member includes a non-circular cross-section; and

dissolvable means for applying a first force against the soft tissue before the dissolvable means has dissolved and for applying a second force against the soft tissue after at least a portion of the dissolvable means has dissolved.