Patents by Inventor Randolph F. Lehn

Randolph F. Lehn 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).

  • Publication number: 20170112498
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Application
    Filed: January 9, 2017
    Publication date: April 27, 2017
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
  • Patent number: 9566067
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: February 14, 2017
    Assignee: Covidien LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
  • Patent number: 9402629
    Abstract: The present disclosure relates to surgical fastener applying apparatus for sequentially applying a plurality of surgical fasteners to body tissue. The surgical fastener applying apparatus includes a replaceable cartridge assembly receivable in a distal end portion of a cartridge receiving half-section, the cartridge assembly including a safety lockout pivotably disposed along the upper surface of the cartridge assembly and movable from an unlocked orientation permitting assembly of an anvil half-section to the cartridge receiving half-section, to a locked orientation preventing assembly of the anvil half-section to the cartridge receiving-half section.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: August 2, 2016
    Assignee: Covidien LP
    Inventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
  • Publication number: 20150209041
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Application
    Filed: April 9, 2015
    Publication date: July 30, 2015
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
  • Patent number: 9027817
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: May 12, 2015
    Assignee: Covidien LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
  • Publication number: 20150090766
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Application
    Filed: December 15, 2014
    Publication date: April 2, 2015
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
  • Patent number: 8939343
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: January 27, 2015
    Assignee: Covidien LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
  • Publication number: 20140110454
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Application
    Filed: December 31, 2013
    Publication date: April 24, 2014
    Applicant: Covidien LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
  • Patent number: 8636766
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: January 28, 2014
    Assignee: Covidien LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
  • Publication number: 20130306703
    Abstract: The present disclosure relates to surgical fastener applying apparatus for sequentially applying a plurality of surgical fasteners to body tissue. The surgical fastener applying apparatus includes a replaceable cartridge assembly receivable in a distal end portion of a cartridge receiving half-section, the cartridge assembly including a safety lockout pivotably disposed along the upper surface of the cartridge assembly and movable from an unlocked orientation permitting assembly of an anvil half-section to the cartridge receiving half-section, to a locked orientation preventing assembly of the anvil half-section to the cartridge receiving-half section.
    Type: Application
    Filed: July 24, 2013
    Publication date: November 21, 2013
    Applicant: COVIDIEN LP
    Inventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
  • Patent number: 8505801
    Abstract: The present disclosure relates to surgical fastener applying apparatus for sequentially applying a plurality of surgical fasteners to body tissue. The surgical fastener applying apparatus includes a replaceable cartridge assembly receivable in a distal end portion of a cartridge receiving half-section, the cartridge assembly including a safety lockout pivotably disposed along the upper surface of the cartridge assembly and movable from an unlocked orientation permitting assembly of an anvil half-section to the cartridge receiving half-section, to a locked orientation preventing assembly of the anvil half-section to the cartridge receiving-half section.
    Type: Grant
    Filed: December 19, 2011
    Date of Patent: August 13, 2013
    Assignee: Covidien LP
    Inventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
  • Patent number: 8342377
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: January 1, 2013
    Assignee: Covidien LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
  • Publication number: 20120305627
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Application
    Filed: August 14, 2012
    Publication date: December 6, 2012
    Applicant: Tyco Healthcare Group LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
  • Patent number: 8292152
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: October 23, 2012
    Assignee: Tyco Healthcare Group LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
  • Publication number: 20120241495
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Application
    Filed: June 7, 2012
    Publication date: September 27, 2012
    Applicant: Tyco Healthcare Group LP,
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
  • Patent number: 8256656
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: September 4, 2012
    Assignee: Tyco Healthcare Group LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
  • Patent number: 8210416
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Grant
    Filed: October 31, 2011
    Date of Patent: July 3, 2012
    Assignee: Tyco Healthcare Group LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
  • Publication number: 20120085808
    Abstract: The present disclosure relates to surgical fastener applying apparatus for sequentially applying a plurality of surgical fasteners to body tissue. The surgical fastener applying apparatus includes a replaceable cartridge assembly receivable in a distal end portion of a cartridge receiving half-section, the cartridge assembly including a safety lockout pivotably disposed along the upper surface of the cartridge assembly and movable from an unlocked orientation permitting assembly of an anvil half-section to the cartridge receiving half-section, to a locked orientation preventing assembly of the anvil half-section to the cartridge receiving-half section.
    Type: Application
    Filed: December 19, 2011
    Publication date: April 12, 2012
    Applicant: Tyco Healthcare Group LP
    Inventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
  • Publication number: 20120055974
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Application
    Filed: November 14, 2011
    Publication date: March 8, 2012
    Applicant: Tyco Healthcare Group LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
  • Publication number: 20120043368
    Abstract: A surgical stapling device particularly suited for endoscopic procedures is described. The device includes a handle assembly and an elongated body extending distally from the handle assembly. The distal end of the elongated body is adapted to engage a disposable loading unit. A control rod having a proximal end operatively connected to the handle assembly includes a distal end extending through the elongated body. A control rod locking member is provided to prevent movement of the control rod until the disposable loading unit is fully secured to the elongated body of the stapling device.
    Type: Application
    Filed: October 31, 2011
    Publication date: February 23, 2012
    Applicant: Tyco Healthcare Group LP
    Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn