Expanding parallel jaw device for use with an electromechanical driver device

• US 20030132268A1
• Filed: 01/13/2003
• Published: 07/17/2003
• Est. Priority Date: 07/12/1999
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Power Medical Interventions, Inc. (Medtronic Plc)
• Inventors: Whitman, Michael P.
• Granted Patent: US 6,698,643 B2
• Time in Patent Office: Days
• US Class Current: 227/180.1
• 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 17/11 for performing anastomosis; Buttons for anastomosis
• CPC Class Codes: A61B 17/1155 Circular staplers comprising a plurality of staples
• CPC Class Codes: A61B 2017/00039 Electric or electromagnetic phenomena other than conductivity, e.g. capacity, inductivity, Hall effect
• CPC Class Codes: A61B 2017/00398 using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2017/00734 battery operated
• CPC Class Codes: A61B 2017/07214 Stapler heads
• 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 2017/07271 characterised by its cartridge
• CPC Class Codes: A61B 2017/320052 Guides for cutting instruments by marking A61B2090/395
• CPC Class Codes: Y02A 90/10 Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Abstract

A cutting and stapling device for use as an attachment to an electromechanical device driver comprises an upper jaw and a lower jaw which separate and close against one another in a continuously parallel alignment. The upper jaw includes a series of staple guides corresponding to one or more staples in a removable staple tray disposed within a lower jaw, whereby a blade and wedge having a threaded bore travel upon a matching threaded shaft in a channel disposed in the lower jaw below the staple tray, such that rotation of the threaded shaft causes movement of the wedge through the channel while a sloped surface of the wedge contacts the staples to push the staples against the staples guides, closing the staples.

Claims

1. A fastening and cutting device for cutting and closing a section of tubular tissue, comprising:

a first jaw;

a second jaw disposed in parallel and opposed correspondence with the first jaw;

a vertical driver means coupled to said first jaw, which driver means causes the first jaw to linearly travel along an axis perpendicular to the axis of parallel correspondence of the first and second jaw, such that the first jaw may separate from the second jaw when the driver means is biased for opening of the jaws, and to close toward the second jaw when the driver means is biased for closing of the jaws; and

a cutting and stapling means disposed within the second jaw and coupled with a horizontal driver means for cutting and stapling a section of tissue disposed between the first and second jaws once the first jaw has been closed onto the second jaw.

2. The device of claim 1, wherein the vertical driver means comprises at least one threaded turning shaft, and wherein the first jaw includes a corresponding at least one threaded bore for receiving therethrough said threaded turning shaft, whereby rotation of the turning shaft causes the first jaw to move axially along the turning shaft away from, or toward the second jaw, in accordance with the rotational direction of the turning shaft.

3. The device of claim 2, wherein the vertical driver means comprises a pair of threaded turning shafts and a horizontal gearing shaft disposed in turning an gearing relationship with said pair of threaded turning shafts, the rotation of the horizontal gearing shaft thereby causing the first jaw to translate.

4. The device of claim 1, wherein the cutting and stapling means comprises a blade and wedge seated in a wedge guide channel formed in the second jaw.

5. A fastening and cutting attachment for use with an electromechanical driver device for cutting and closing a section of tubular tissue, comprising:

a first jaw;

a second jaw disposed in parallel and opposed correspondence with the first jaw;

a vertical driving mechanism means coupled to said first jaw, said driving mechanism being actionably coupleable to the electromechanical driver device, which driver means causes the first jaw to linearly travel along an axis perpendicular to the axis of parallel correspondence of the first and second jaw, such that the first jaw may separate from the second jaw when the driver means is biased for opening of the jaws, and to close toward the second jaw when the driver means is biased for closing of the jaws.

6. The device of claim 5, wherein the vertical driver means comprises at least one threaded turning shaft, and wherein the first jaw includes a corresponding at least one threaded bore for receiving therethrough said threaded turning shaft, whereby rotation of the turning shaft causes the first jaw to move axially along the turning shaft away from, or toward the second jaw, in accordance with the rotational direction of the turning shaft.

7. The device of claim 6, wherein the vertical driver means comprises a pair of threaded turning shafts and a horizontal gearing shaft disposed in turning an gearing relationship with said pair of threaded turning shafts, the rotation of the horizontal gearing shaft thereby causing the first jaw to translate.

8. The device of claim 5, further including a cutting and stapling means disposed in the second jaw, said cutting and stapling means being actionably coupled to said electromechanical driver device.