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).
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Publication number: 20170112498Abstract: 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: ApplicationFiled: January 9, 2017Publication date: April 27, 2017Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
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Patent number: 9566067Abstract: 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: GrantFiled: April 9, 2015Date of Patent: February 14, 2017Assignee: Covidien LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
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Patent number: 9402629Abstract: 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: GrantFiled: July 24, 2013Date of Patent: August 2, 2016Assignee: Covidien LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
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Publication number: 20150209041Abstract: 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: ApplicationFiled: April 9, 2015Publication date: July 30, 2015Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
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Patent number: 9027817Abstract: 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: GrantFiled: December 15, 2014Date of Patent: May 12, 2015Assignee: Covidien LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
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Publication number: 20150090766Abstract: 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: ApplicationFiled: December 15, 2014Publication date: April 2, 2015Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
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Patent number: 8939343Abstract: 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: GrantFiled: December 31, 2013Date of Patent: January 27, 2015Assignee: Covidien LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
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Publication number: 20140110454Abstract: 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: ApplicationFiled: December 31, 2013Publication date: April 24, 2014Applicant: Covidien LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
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Patent number: 8636766Abstract: 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: GrantFiled: November 30, 2012Date of Patent: January 28, 2014Assignee: Covidien LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, Randolph F. Lehn
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Publication number: 20130306703Abstract: 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: ApplicationFiled: July 24, 2013Publication date: November 21, 2013Applicant: COVIDIEN LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
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Patent number: 8505801Abstract: 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: GrantFiled: December 19, 2011Date of Patent: August 13, 2013Assignee: Covidien LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
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Patent number: 8342377Abstract: 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: GrantFiled: August 14, 2012Date of Patent: January 1, 2013Assignee: Covidien LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
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Publication number: 20120305627Abstract: 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: ApplicationFiled: August 14, 2012Publication date: December 6, 2012Applicant: Tyco Healthcare Group LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
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Patent number: 8292152Abstract: 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: GrantFiled: June 7, 2012Date of Patent: October 23, 2012Assignee: Tyco Healthcare Group LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
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Publication number: 20120241495Abstract: 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: ApplicationFiled: June 7, 2012Publication date: September 27, 2012Applicant: Tyco Healthcare Group LP,Inventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
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Patent number: 8256656Abstract: 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: GrantFiled: November 14, 2011Date of Patent: September 4, 2012Assignee: Tyco Healthcare Group LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
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Patent number: 8210416Abstract: 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: GrantFiled: October 31, 2011Date of Patent: July 3, 2012Assignee: Tyco Healthcare Group LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
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Publication number: 20120085808Abstract: 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: ApplicationFiled: December 19, 2011Publication date: April 12, 2012Applicant: Tyco Healthcare Group LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
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Publication number: 20120055974Abstract: 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: ApplicationFiled: November 14, 2011Publication date: March 8, 2012Applicant: Tyco Healthcare Group LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn
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Publication number: 20120043368Abstract: 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: ApplicationFiled: October 31, 2011Publication date: February 23, 2012Applicant: Tyco Healthcare Group LPInventors: Keith L. Milliman, Frank J. Viola, Joseph P. Orban, III, Randolph F. Lehn