Surgical device having a rotatable jaw portion

• US 8,752,748 B2
• Filed: 02/10/2011
• Issued: 06/17/2014
• Est. Priority Date: 09/21/2007
• Status: Active Grant

• Current Assignee: Covidien LP (Medtronic Plc)
• Original Assignee: Covidien LP (Medtronic Plc)
• Inventors: Whitman, Michael P., Malinouskas, Donald, Datcuk, Peter, Nicholas, David
• Primary Examiner(s): Tecco, Andrew M
• Application Number:
  US13/024,343
• Publication Number:
  US 20110132961A1
• Time in Patent Office: 1,223 Days
• Field of Search: 227/175.1, 227/175.2, 227/180.1, 227/19
• US Class Current: 227/176.1
• 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 2017/00398 using powered actuators, e.g. stepper motors, solenoids
• CPC Class Codes: A61B 2017/00734 battery operated
• 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 2017/2927 the angular position of the head being adjustable with respect to the shaft
• CPC Class Codes: A61B 2017/2929 with a head rotatable about the longitudinal axis of the shaft
• CPC Class Codes: A61B 2017/2943 Toothed members, e.g. rack and pinion
• CPC Class Codes: A61B 2017/320052 Guides for cutting instruments by marking A61B2090/395

Abstract

A surgical device is provided that includes a jaw portion, having a first jaw in opposed corresponence with a second jaw, the second jaw including a surgical member. The surgical device may include a shaft portion coupled to a proximal end of the jaw portion and at least one motor configured to rotate the jaw portion relative to the shaft portion, to move the first jaw relative to the second jaw and move the surgical member within the second jaw. The surgical member be prevented from moving within the second jaw unless the first jaw is in a closed position relative to the second jaw. Advantageously, the surgical member may be, e.g., a cutting element and/or a stapling element, disposed within one of the jaws.

Claims

1. A surgical system comprising:

at least one motor;

a surgical instrument including;

a jaw portion, having a first jaw in opposed correspondence with a second jaw, the second jaw including a surgical member;

a shaft portion coupled to a proximal end of the jaw portion;

a gear arrangement configured to operate such that, upon actuation of the at least one motor, the jaw portion is rotatable relative to the shaft portion, the first jaw is moveable relative to the second jaw and the surgical member is moveable within the second jaw, the gear arrangement including a gear element; and

wherein the surgical member is prevented from moving within the second jaw unless the first jaw is in a closed position relative to the second jaw; and

wherein the gear element of the surgical instrument is an idler gear that is moveable between a proximal position and a distal position.

2. The surgical system of claim 1, wherein, when the first jaw of the surgical instrument is in an open position relative to the second jaw, the jaw portion is rotatable relative to the shaft portion.

3. The surgical system of claim 1, wherein the gear element of the surgical instrument is selectively engaged based upon a position of the first jaw relative to the second jaw.

4. The surgical system of claim 1, wherein the surgical instrument further comprises a cam block that is moveable between a proximal position and a distal position.

5. The surgical system of claim 4, wherein the cam block of the surgical instrument includes a surface, and wherein the cam block is moved between its proximal and distal positions by engagement of the surface with a surface of one of the first and second jaws when the first and second jaws are moved relative to each other.

6. The surgical system of claim 5, wherein the idler gear of the surgical instrument is moved between its proximal and distal positions by engagement of the cam block with the idler gear.

7. The surgical system of claim 6, wherein, when the idler gear is in a distal position, the idler gear engages recesses of a housing of the surgical instrument.

8. The surgical system of claim 7, wherein, when the idler gear engages the recesses of the housing, rotation of the idler gear by a drive element causes the jaw portion to rotate relative to the shaft portion.

9. The surgical system of claim 8, wherein, when the idler gear of the surgical instrument is in a proximal position, the idler gear is out of engagement with the recesses of the housing, such that the idler gear is rotatable relative to the housing.

10. The surgical system of claim 9, wherein, when the idler gear of the surgical instrument is out of engagement with the recesses of the housing, rotation of the idler gear by the drive element causes the surgical member to move within the second jaw.

11. The surgical system of claim 10, wherein the surgical member of the surgical instrument includes at least one of a cutting element and a stapling element.