Surgical stapler with staples of different sizes

• US 9,168,039 B1
• Filed: 04/03/2012
• Issued: 10/27/2015
• Est. Priority Date: 09/06/2007
• Status: Active Grant

• Current Assignee: Touchstone International Medical Science Co. Ltd
• Original Assignee: Cardica Incorporated
• Inventors: Knodel, Bryan D.
• Primary Examiner(s): FISHBACK, ASHLEY LAUREN
• Application Number:
  US13/438,661
• Time in Patent Office: 1,302 Days
• Field of Search: 227/175.1, 227/176.1, 606/139, 606/142, 606/143, 606/219, 606/220
• US Class Current: 1/1
• 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 17/07207 the staples being applied sequentially
• CPC Class Codes: A61B 17/115 Staplers for performing anastomosis in a single operation
• CPC Class Codes: A61B 17/128 for applying or removing clamps or clips
• CPC Class Codes: A61B 2017/00398 using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2017/07228 Arrangement of the staples
• CPC Class Codes: A61B 2017/07235 containing different staples, e.g. staples of different shapes, sizes or materials
• 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 2017/07271 characterised by its cartridge
• CPC Class Codes: A61B 2017/07278 characterised by its sled or its staple holder
• CPC Class Codes: A61B 2017/2923 Toothed members, e.g. rack and pinion
• CPC Class Codes: A61B 2090/037 with a frangible part, e.g. by reduced diameter

Abstract

One example of a surgical apparatus may include a staple holder; at least one feeder belt fixed to the staple holder; and staples integral with and frangibly separable from the feeder belt; where at least one of the staples is sized differently from at least one other staple.

Claims

1. A surgical apparatus, comprising:

a staple holder;

at least one feeder belt fixed to said staple holder;

a plurality of staples integral with and frangibly separable from said at least one feeder belt; and

a wedge longitudinally moveable relative to the plurality of staples;

wherein at least one of said staples is sized differently from at least one other said staple and

wherein a surface of the wedge contacts a staple of the plurality of staples for deployment of the staple.

2. The surgical apparatus of claim 1, wherein said staples are organized into at least two separate rows on said feeder belt, and wherein the staples in one said row are sized differently than the staples in at least one other said row.

3. The surgical apparatus of claim 1, wherein said staple holder is a detachable cartridge.

4. The surgical apparatus of claim 1, wherein the entirety of said feeder belt is held within said staple holder.

5. The surgical apparatus of claim 1, wherein at least one of said staples has two extremities, one of which is free and one of which is fixed to the corresponding said feeder belt.

6. The surgical apparatus of claim 1, wherein motion of the wedge deploys a staple of the plurality of staples.

7. The surgical apparatus of claim 1, wherein a surface of the wedge has different angles to accommodate deployment of both the at least one of said staples that is sized differently and the at least one other said staple.

8. A surgical apparatus, comprising:

a staple holder;

a plurality of feeder belts fixed to and immovable relative to said staple holder;

a wedge longitudinally aligned with a plurality of staples;

a plurality of staples integral with and frangibly separable from each said feeder belt;

wherein at least one of said staples is sized differently from at least one other of said staples and

wherein a surface of the wedge contacts a staple of the plurality of staples for deployment of the staple.

9. The surgical apparatus of claim 8, wherein said staples integral with at least one of said feeder belt are sized differently than said staples integral with at least one other said feeder belts.

10. The surgical apparatus of claim 8, wherein at least one of said staples integral with at least one said feeder belts is sized differently than at least one said staple integral with at least one other of said feeder belts.

11. The surgical apparatus of claim 8, wherein said staples are organized into at least one row on at least two of said feeder belts, and wherein the staples in one said row of one said feeder belt are sized differently than the staples in one other said row of one other said feeder belt.

12. The surgical apparatus of claim 8, wherein said staple holder is a detachable cartridge.

13. The surgical apparatus of claim 8, wherein the entirety of said feeder belt is held within said staple holder.

14. The surgical apparatus of claim 8, wherein at least one said staple has two extremities, one of which is free and one of which is fixed to the corresponding said feeder belt.

15. The surgical apparatus of claim 8, wherein motion of the wedge deploys a staple of the plurality of staples.

16. The surgical apparatus of claim 8, wherein a surface of the wedge has different angles to accommodate deployment of both the at least one of said staples that is sized differently and the at least one other said staple.