Patents by Inventor Paul Scirica

Paul Scirica has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Rotating knob locking mechanism for surgical stapling device
    Patent number: 9295467
    Abstract: A surgical stapling device having a rotating knob locking mechanism, and a method of using the surgical stapling device is disclosed. The surgical stapling device includes a housing, an actuation member, an elongated body portion rotatably supported on the housing, and a locking mechanism for preventing the rotation of the elongate body portion, the locking mechanism being automatically engaged upon actuation of the actuation member. The stapling device further includes a knob for rotating the elongated body portion. The locking mechanism includes a pivotably mounted member configured to engage the knob. The stapling device may further include an articulating tool assembly and an articulation lever for articulating the tool assembly. The articulation lever may be disposed on the knob for rotating the elongated body portion.
    Type: Grant
    Filed: March 20, 2013
    Date of Patent: March 29, 2016
    Assignee: Covidien LP
    Inventor: Paul A. Scirica
  • LOADING UNIT INCLUDING SHIPPING ASSEMBLY
    Publication number: 20160000428
    Abstract: A loading unit including a shipping assembly is provided. The shipping assembly is operably received adjacent the cartridge assembly to retain staples with the cartridge assembly. The shipping assembly includes a shipping member selectively secured to loading unit and a locking member slidably disposed within the shipping member.
    Type: Application
    Filed: July 1, 2014
    Publication date: January 7, 2016
    Inventors: Paul Scirica, Justin Williams, Patrick Mozdzierz, Christopher Penna
  • Apparatus for endoscopic procedures
    Patent number: 9216013
    Abstract: A shaft assembly is provided for interconnecting at least one rotatable drive shaft of a hand-held electromechanical surgical device, and an end effector actuatable by an axial drive force. The shaft assembly includes a flexible drive cable rotatably supported in an outer tube, the flexible drive cable includes a proximal end operatively connected to a respective rotatable drive shaft of the hand-held surgical device. The flexible drive cable being off set a radial distance from a central longitudinal axis of the outer tube. The shaft assembly includes an articulation rod at least partially slidably supported in the outer tube, and an articulation link having a proximal end pivotally connected to the distal end of the articulation rod and a distal end pivotally connected to a distal neck housing. The articulation rod being off set a radial distance from the central longitudinal axis of the outer tube.
    Type: Grant
    Filed: February 18, 2013
    Date of Patent: December 22, 2015
    Assignee: Covidien LP
    Inventors: Paul Scirica, Justin Williams
  • Locking articulation mechanism for surgical stapler
    Patent number: 9204876
    Abstract: A surgical stapler is provided and comprises a handle assembly, an elongated body, an articulable tool assembly, and an articulation mechanism. The articulation mechanism has: a main shaft member connected to an articulation linkage; a retainer having an opening for receiving a shaft portion of the main shaft member; a cam lock having cam locking surfaces and a locking tab; a locking cover defining recesses for receiving the locking tab; an articulation handle having cam surfaces configured to engage the cam locking surfaces of the cam lock.
    Type: Grant
    Filed: November 19, 2012
    Date of Patent: December 8, 2015
    Assignee: Covidien LP
    Inventors: Kenneth M. Cappola, Paul Scirica, Patrick Mozdzierz, Frank Marini
  • TRAVEL CLIP FOR SURGICAL STAPLE CARTRIDGE
    Publication number: 20150335330
    Abstract: A travel clip is provided for use with a surgical staple cartridge. The travel clip includes a cover having first and second side edges which varying in distance from a centerline of the cover and a longitudinally extending rib projecting perpendicularly along the centerline of the cover. The first and second side edges include areas of maximum distance from the centerline of the cover and areas of minimum distance from the centerline of the cover. The space between adjacent areas of maximum distance from the centerline of the cover provide cutouts or openings for viewing, inspection and verification of structure retained within the surgical staple cartridge.
    Type: Application
    Filed: August 3, 2015
    Publication date: November 26, 2015
    Inventor: Paul Scirica
  • BUTTRESS ASSEMBLY FOR USE WITH SURGICAL STAPLING DEVICE
    Publication number: 20150327864
    Abstract: An apparatus for joining two hollow organ sections includes a staple cartridge component, an anvil component, a knife member, a buttress mount and a buttress member. The staple cartridge component includes a plurality of surgical staples in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp tissue. The knife member is movable relative to the staple cartridge component. The buttress mount is concentrically disposed at least partially within the lumen of the knife member. The buttress mount includes a plurality of spokes radially extending outward and a plurality of legs detachably secured with an inner wall of the knife member. The buttress member is secured with the plurality of spokes of the buttress mount. The buttress member is concentrically aligned with the plurality of surgical staples.
    Type: Application
    Filed: July 24, 2015
    Publication date: November 19, 2015
    Inventors: Gerald Hodgkinson, Paul Scirica, Sally Carter, Richard Stevenson, Arthur Hislop, Thomas Casasanta
  • INTERLOCK ASSEMBLIES FOR REPLACEABLE LOADING UNIT
    Publication number: 20150320420
    Abstract: Interlock assemblies for attaching a loading unit to a surgical stapling instrument are provided. The interlock assemblies are formed on a proximal end of a shell member and on a distal end of an adapter assembly. The interlock assemblies may include a collar member for selectively securing the shell member to the adapter assembly. The collar member may be mounted on the shell member or on the adapter assembly.
    Type: Application
    Filed: May 9, 2014
    Publication date: November 12, 2015
    Applicant: Covidien LP
    Inventors: Christopher Penna, Patrick Mozdzierz, Paul Scirica, Justin Williams
  • LOCKING ARTICULATION MECHANISM
    Publication number: 20150245834
    Abstract: A surgical device including a handle assembly, an elongated body extending from the handle assembly, and an articulation mechanism connected to the handle assembly and configured to selectively articulate and lock an articulable tool assembly in one or more positions is provided. The articulation mechanism includes a main shaft member mounted for rotation and connected to an articulation linkage, a locking member configured to be received about the shaft portion of the main shaft member, the locking member defining a plurality of notches, an articulation handle fixedly secured to shaft portion of the main shaft member and configured for rotation relative to the locking member, and a lug member operatively mounted on the articulation handle and including a locking tab configured to be selectively received within a notch of the plurality of notches formed in the locking member.
    Type: Application
    Filed: April 20, 2015
    Publication date: September 3, 2015
    Inventors: Paul Scirica, Kenneth Cappola
  • SURGICAL STAPLING DEVICE WITH DISSECTING TIP
    Publication number: 20150238189
    Abstract: A dissecting tip is provided for use with a surgical stapler or instrument. In one embodiment, the dissecting tip is secured to the end effector of the surgical instrument, e.g., to the cartridge assembly. The dissecting tip extends distally from the end effector and is configured to dissect or separate target tissue from certain tissue, e.g., adherent, connective, joined or other tissue.
    Type: Application
    Filed: March 4, 2015
    Publication date: August 27, 2015
    Inventors: PAUL SCIRICA, TODD DEMMY, LEE ANN OLSON
  • Travel clip for surgical staple cartridge
    Patent number: 9113881
    Abstract: A travel clip is provided for use with a surgical staple cartridge. The travel clip includes a cover having first and second side edges which varying in distance from a centerline of the cover and a longitudinally extending rib projecting perpendicularly along the centerline of the cover. The first and second side edges include areas of maximum distance from the centerline of the cover and areas of minimum distance from the centerline of the cover. The space between adjacent areas of maximum distance from the centerline of the cover provide cutouts or openings for viewing, inspection and verification of structure retained within the surgical staple cartridge.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: August 25, 2015
    Assignee: Covidien LP
    Inventor: Paul Scirica
  • Buttress assembly for use with surgical stapling device
    Patent number: 9113885
    Abstract: An apparatus for joining two hollow organ sections includes a staple cartridge component, an anvil component, a knife member, a buttress mount and a buttress member. The staple cartridge component includes a plurality of surgical staples in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp tissue. The knife member is movable relative to the staple cartridge component. The buttress mount is concentrically disposed at least partially within the lumen of the knife member. The buttress mount includes a plurality of spokes radially extending outward and a plurality of legs detachably secured with an inner wall of the knife member. The buttress member is secured with the plurality of spokes of the buttress mount. The buttress member is concentrically aligned with the plurality of surgical staples.
    Type: Grant
    Filed: December 14, 2011
    Date of Patent: August 25, 2015
    Assignee: Covidien LP
    Inventors: Gerald Hodgkinson, Paul A. Scirica, Sally Carter, Richard P. Stevenson, Arthur Hislop, Thomas Casasanta, Jr.
  • MULTI-USE LOADING UNIT
    Publication number: 20150223811
    Abstract: A cartridge assembly is disclosed. The cartridge assembly includes a channel and a removable assembly in releasable engagement with the channel. The removable assembly includes a cartridge body and a support plate. The cartridge body includes an engagement structure disposed adjacent a proximal end thereof. The support plate is configured to mechanically engage the cartridge body and includes an engagement structure disposed adjacent a proximal end thereof. The engagement structure of the cartridge body is configured for longitudinal alignment with the engagement structure of the support plate. The engagement structures of the cartridge body and the engagement structure of the support plate are configured to mechanically engage the engagement structure of the channel when the removable assembly is engaged with the channel.
    Type: Application
    Filed: April 21, 2015
    Publication date: August 13, 2015
    Inventors: STANISLAW KOSTRZEWSKI, ERNEST ARANYI, PAUL SCIRICA, WILLIAM POWERS
  • SURGICAL INSTRUMENT HAVING A PLASTIC SURFACE
    Publication number: 20150223810
    Abstract: A surgical instrument including a handle portion, a body portion, a movable handle, a tool assembly, a drive beam and a closure apparatus is disclosed. At least one of the closure apparatus and a contact surface of the tool assembly include a plastic surface. The body portion extends distally from the handle portion. The movable handle is located on the handle portion and is in mechanical cooperation with a drive member. The tool assembly includes an anvil, a cartridge assembly and a contact surface. The drive beam includes a proximal engagement portion and is configured to engage a portion of the drive member. The closure apparatus is configured to engage the contact surface of the tool assembly. At least a partial actuation of the movable handle moves the closure apparatus distally into engagement with the contact surface to approximate the anvil and the cartridge assembly.
    Type: Application
    Filed: April 23, 2015
    Publication date: August 13, 2015
    Inventor: PAUL SCIRICA
  • SHIPPING MEMBER FOR LOADING UNIT
    Publication number: 20150190133
    Abstract: A shipping member for selective attachment to a replaceable loading unit is provided. The shipping member includes an annular extension configured for selective engagement with a loading unit and configured to prevent movement of a knife assembly of the loading unit. The shipping member further includes first and second legs configured to prevent movement of a staple pusher assembly. The shipping member also includes a staple retaining surface configured to retain staples within a staple cartridge of the loading unit.
    Type: Application
    Filed: January 7, 2014
    Publication date: July 9, 2015
    Applicant: Covidien LP
    Inventors: Christopher Penna, Patrick Mozdzierz, Paul A. Scirica, Justin Williams
  • SURGICAL INSTRUMENT HAVING A PLASTIC SURFACE
    Publication number: 20150182219
    Abstract: A surgical instrument including a handle portion, a body portion, a movable handle, a tool assembly, a drive beam and a closure apparatus is disclosed. At least one of the closure apparatus and a contact surface of the tool assembly include a plastic surface. The body portion extends distally from the handle portion. The movable handle is located on the handle portion and is in mechanical cooperation with a drive member. The tool assembly includes an anvil, a cartridge assembly and a contact surface. The drive beam includes a proximal engagement portion and is configured to engage a portion of the drive member. The closure apparatus is configured to engage the contact surface of the tool assembly. At least a partial actuation of the movable handle moves the closure apparatus distally into engagement with the contact surface to approximate the anvil and the cartridge assembly.
    Type: Application
    Filed: March 10, 2015
    Publication date: July 2, 2015
    Inventor: PAUL SCIRICA
  • DISSECTING TIP FOR SURGICAL STAPLER
    Publication number: 20150173752
    Abstract: The present disclosure relates to a dissecting tip for use in a surgical stapler or instrument.
    Type: Application
    Filed: March 4, 2015
    Publication date: June 25, 2015
    Inventors: TODD DEMMY, PAUL SCIRICA, LEE ANN OLSON
  • Loading Unit Including Shipping Member
    Publication number: 20150173757
    Abstract: A loading unit including a shipping member is provided. The loading unit includes a housing, a staple pushing assembly, a knife assembly, and a staple cartridge. The shipping member is configured to be selectively secured to the housing of the loading unit and prevents advancement of the staple pushing assembly and the knife assembly. The shipping member also retains staples within the staple cartridge.
    Type: Application
    Filed: June 19, 2014
    Publication date: June 25, 2015
    Inventors: Justin Williams, Christopher Penna, Paul A. Scirica
  • SURGICAL FASTENER APPLYING APPARATUS
    Publication number: 20150157323
    Abstract: A surgical stapler is provided. The stapler includes a tubular body portion. A cartridge assembly is disposed at a distal end of the body portion for expelling an annular array of staples. Each of the staples of the annular array of staples has a generally bent backspan. An anvil member disposed at the distal end of the tubular body portion is positioned opposite the cartridge assembly to clinch the staples in tissue upon expulsion of the staples from the cartridge assembly. The anvil member has a corresponding annular array of staple forming buckets. Each of the buckets is configured to accommodate the generally bent configuration of the staples to facilitate formation thereof.
    Type: Application
    Filed: February 16, 2015
    Publication date: June 11, 2015
    Inventors: JUSTIN WILLIAMS, CHRISTOPHER PENNA, PAUL SCIRICA, DAVID RACENET
  • SURGICAL FASTENER APPLYING APPARATUS INCLUDING REPLACEABLE CARTRIDGE ASSEMBLY
    Publication number: 20150144679
    Abstract: A surgical fastener applying apparatus includes a cartridge-receiving assembly and a cartridge assembly releasably engagable therewith. The cartridge assembly includes a housing and a knife assembly having a knife translatable from an initial position to a deployed position and a knife guard pivotable between a storage position, wherein the knife guard substantially encloses the knife member, and a use position, wherein the knife member is exposed for translation through the housing. The knife guard engages to the knife member such that translation of the knife member rotates the guard to the use position.
    Type: Application
    Filed: February 5, 2015
    Publication date: May 28, 2015
    Inventors: Paul Scirica, Eric Taylor, Peter Hathaway, Matthew Chowaniec
  • Surgical stapling device with dissecting tip
    Patent number: 9039736
    Abstract: A dissecting tip is provided for use with a surgical stapler or instrument. In one embodiment, the dissecting tip is secured to the end effector of the surgical instrument, e.g., to the cartridge assembly. The dissecting tip extends distally from the end effector and is configured to dissect or separate target tissue from certain tissue, e.g., adherent, connective, joined or other tissue.
    Type: Grant
    Filed: February 25, 2008
    Date of Patent: May 26, 2015
    Assignee: Covidien LP
    Inventors: Paul A. Scirica, Todd L. Demmy, Lee Ann Olson