Patents by Inventor Karl H. Ehrenfels
Karl H. Ehrenfels 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).
-
Patent number: 10959729Abstract: 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: February 1, 2019Date of Patent: March 30, 2021Assignee: COVIDIEN LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph Lehn, Roberto Pedros, Csaba L. Rethy, Frank J. Viola
-
Publication number: 20190159777Abstract: 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: February 1, 2019Publication date: May 30, 2019Inventors: Karl H. Ehrenfels, David Ivanko, Randolph Lehn, Roberto Pedros, Csaba L. Rethy, Frank J. Viola
-
Patent number: 10231733Abstract: 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: August 2, 2016Date of Patent: March 19, 2019Assignee: Covidien LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph Lehn, Roberto Pedros, Csaba L. Rethy, Frank J. Viola
-
Publication number: 20160338702Abstract: 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: August 2, 2016Publication date: November 24, 2016Inventors: Karl H. Ehrenfels, David Ivanko, Randolph Lehn, Roberto Pedros, Csaba L. Rethy, Frank J. Viola
-
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
-
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
-
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
-
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
-
Patent number: 8091754Abstract: 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 22, 2010Date of Patent: January 10, 2012Assignee: Tyco Healthcare Group LPInventors: Karl H. Ehrenfels, David C. Eastwood Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
-
Patent number: 8074861Abstract: 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: November 17, 2009Date of Patent: December 13, 2011Assignee: Tyco Healthcare Group LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
-
Patent number: 7942300Abstract: 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: January 15, 2008Date of Patent: May 17, 2011Assignee: Tyco Healthcare Group LPInventors: Csaba L. Rethy, Karl H. Ehrenfels, Roberto Pedros, David Ivanko, Randolph F. Lehn, Frank J. Viola
-
Publication number: 20100282817Abstract: 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 22, 2010Publication date: November 11, 2010Applicant: TYCO HEALTHCARE GROUP LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
-
Publication number: 20100193570Abstract: 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: November 17, 2009Publication date: August 5, 2010Inventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank Viola
-
Patent number: 7721933Abstract: A surgical fastener applying apparatus is provided including a cartridge half-section and an anvil half-section, the cartridge half-section and anvil half-section being relatively movable from an unclamped position to a clamped position; and a loading unit receivable in the cartridge half-section and having a plurality of staples and a plurality of staple pusher members. The cartridge half-section includes a frame; a member being longitudinally movable through the loading unit to interact with the plurality of staple pusher members to fire the staples; and a lockout mechanism arranged to block advancement of the member in a locked-out position of the lockout mechanism. In use, after loading of the loading unit in the surgical fastener applying apparatus and subsequent clamping of the cartridge and anvil half-sections, the lockout mechanism is moved to an unlocked position to allow advancement of the member.Type: GrantFiled: August 5, 2008Date of Patent: May 25, 2010Assignee: Tyco Healthcare Group LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank J. Viola
-
Patent number: 7631794Abstract: 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: May 6, 2008Date of Patent: December 15, 2009Assignee: Tyco Healthcare Group LPInventors: Csaba L. Rethy, Karl H. Ehrenfels, Roberto Pedros, David Ivanko, Randolph F. Lehn, Frank J. Viola
-
Patent number: 7631793Abstract: 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: January 29, 2007Date of Patent: December 15, 2009Assignee: Tyco Healthcare Group LPInventors: Csaba L. Rethy, Karl H. Ehrenfels, Roberto Pedros, David Ivanko, Randolph F. Lehn, Frank J. Viola
-
Patent number: 7568604Abstract: An improved surgical fastener applying apparatus includes a cartridge half-section and an anvil half-section with the cartridge and anvil half-sections being relatively movable from an unclamped position to a fully clamped position. The apparatus includes a replaceable staple cartridge assembly having a plurality of surgical staples and a pivotably mounted safety lock-out. The safety lock-out is pivotable between an initial position in which a relative movement of the cartridge and anvil half-sections to the fully clamped position is permitted and a blocking position in which a relative movement of the cartridge and anvil half-sections to return them to their fully clamped position after the plurality of staples have been at least partially fired is prevented. The apparatus further includes a pivotably mounted firing lever for moving a pair of camming surfaces longitudinally.Type: GrantFiled: January 24, 2008Date of Patent: August 4, 2009Assignee: Tyco Healthcare Group LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank J. Viola
-
Publication number: 20080302854Abstract: 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: May 6, 2008Publication date: December 11, 2008Inventors: Csaba L. Rethy, Karl H. Ehrenfels, Roberto Pedros, David Ivanko, Randolph F. Lehn, Frank J. Viola
-
Publication number: 20080283573Abstract: A surgical fastener applying apparatus is provided including a cartridge half-section and an anvil half-section, the cartridge half-section and anvil half-section being relatively movable from an unclamped position to a clamped position; and a loading unit receivable in the cartridge half-section and having a plurality of staples and a plurality of staple pusher members. The cartridge half-section includes a frame; a member being longitudinally movable through the loading unit to interact with the plurality of staple pusher members to fire the staples; and a lockout mechanism arranged to block advancement of the member in a locked-out position of the lockout mechanism. In use, after loading of the loading unit in the surgical fastener applying apparatus and subsequent clamping of the cartridge and anvil half-sections, the lockout mechanism is moved to an unlocked position to allow advancement of the member.Type: ApplicationFiled: August 5, 2008Publication date: November 20, 2008Inventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank J. Viola
-
Patent number: 7419081Abstract: An improved surgical fastener applying apparatus includes a cartridge half-section and an anvil half-section with the cartridge and anvil half-sections being relatively movable from an unclamped position to a fully clamped position. The apparatus includes a replaceable staple cartridge assembly having a plurality of surgical staples and a pivotably mounted safety lock-out. The safety lock-out is pivotable between an initial position in which a relative movement of the cartridge and anvil half-sections to the fully clamped position is permitted and a blocking position in which a relative movement of the cartridge and anvil half-sections to return them to their fully clamped position after the plurality of staples have been at least partially fired is prevented. The apparatus further includes a pivotably mounted firing lever for moving a pair of camming surfaces longitudinally.Type: GrantFiled: January 29, 2007Date of Patent: September 2, 2008Assignee: Tyco Healthcare Group LPInventors: Karl H. Ehrenfels, David Ivanko, Randolph F. Lehn, Roberto Pedros, Csaba L. Rethy, Frank J. Viola