Patents by Inventor Richard Stevenson
Richard Stevenson 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: 20240141255Abstract: A fabric spray composition comprising an ingredient comprising at least one ethoxylate unit and at least one carbon derived from carbon capture.Type: ApplicationFiled: April 14, 2022Publication date: May 2, 2024Applicant: Conopco, Inc., d/b/a UNILEVERInventors: Karl BURGESS, Alastai Richard SANDERSON, Iain Murdoch STEVENSON
-
Publication number: 20220110631Abstract: A staple cartridge for use with a surgical stapling apparatus includes a cartridge body including a tissue contacting surface defining a plurality of staple retaining slots, a staple disposed within each staple retaining slot of the cartridge body, and a substantially circular buttress. The buttress includes an inner portion, an outer portion, and a middle portion extending between the inner portion and the outer portion. At least one stiffened region joins the buttress to the tissue contacting surface of the cartridge body. The inner portion, the middle portion, the outer portion, and the at least one stiffened region are all formed from a common material.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Inventors: Sally Carter, Gerald Hodgkinson, Richard Stevenson, Arthur Hislop, Ernest Aranyi, Jennifer (Whiffen) Diederich
-
Patent number: 11229434Abstract: A staple cartridge for use with a surgical stapling apparatus includes a cartridge body including a tissue contacting surface defining a plurality of staple retaining slots, a staple disposed within each staple retaining slot of the cartridge body, and a substantially circular buttress. The buttress includes an inner portion, an outer portion, and a middle portion extending between the inner portion and the outer portion. At least one stiffened region joins the buttress to the tissue contacting surface of the cartridge body. The inner portion, the middle portion, the outer portion, and the at least one stiffened region are all formed from a common material.Type: GrantFiled: June 11, 2019Date of Patent: January 25, 2022Assignee: COVIDIEN LPInventors: Sally Carter, Gerald Hodgkinson, Richard Stevenson, Arthur Hislop, Ernest Aranyi, Jennifer (Whiffen) Diederich
-
Patent number: 11026688Abstract: An end effector for use with a surgical apparatus. The end effector comprising a staple cartridge having a tissue contacting surface defining a central longitudinal slot and an anvil plate having a tissue contacting surface defining a central longitudinal slot. A folded surgical buttress configured to overlie each of the tissue contacting surfaces of the staple cartridge and anvil plate and configured to retain the surgical buttress to the tissue contacting surfaces of each of the staple cartridge and anvil plate. The surgical buttress having a first longitudinal portion, a second longitudinal portion, and middle longitudinal portion between the first and second longitudinal portions, wherein the middle longitudinal portion is folded and configured to fit within the central longitudinal slot of each of the staple cartridge and anvil plate.Type: GrantFiled: June 11, 2019Date of Patent: June 8, 2021Assignee: COVIDIEN LPInventors: Richard Stevenson, Paul Scirica
-
Patent number: 10835216Abstract: A bimodal spinneret system including the bimodal spinneret and method for making a surgical buttress having improved characteristics are disclosed. The bimodal spinneret includes at least a distribution of hole diameters to create fibers with a more heterogeneous shear history and die swell. The system and method of using the bimodal spinneret creates a melt blown non-woven fiber mat that is cut into a surgical buttress having unique fabric properties such as differentiated load deflection behavior, flexural stiffness, polymer fiber alignment, fiber crystallinity and subsequent strength retention during in vitro degradation not attainable with unimodal spinneret hole diameters.Type: GrantFiled: December 24, 2014Date of Patent: November 17, 2020Assignee: COVIDIEN LPInventors: Richard Stevenson, Seth Gleiman
-
Patent number: 10786255Abstract: 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: GrantFiled: July 24, 2015Date of Patent: September 29, 2020Assignee: Covidien LPInventors: Gerald Hodgkinson, Paul Scirica, Sally Carter, Richard Stevenson, Arthur Hislop, Thomas Casasanta
-
Patent number: 10687818Abstract: A surgical stapling instrument includes a staple cartridge assembly having a plurality of rows of staple receiving slots and an anvil assembly having a plurality of rows of staple forming recesses. The staple cartridge assembly, the anvil assembly, or both have one or more attachment members overmolded thereon. A staple line reinforcement material is attached to the attachment members.Type: GrantFiled: February 14, 2018Date of Patent: June 23, 2020Assignee: COVIDIEN LPInventors: Gerald N. Hodgkinson, Richard Stevenson, Jennifer (Whiffen) Diederich
-
Publication number: 20190290275Abstract: A staple cartridge for use with a surgical stapling apparatus includes a cartridge body including a tissue contacting surface defining a plurality of staple retaining slots, a staple disposed within each staple retaining slot of the cartridge body, and a substantially circular buttress. The buttress includes an inner portion, an outer portion, and a middle portion extending between the inner portion and the outer portion. At least one stiffened region joins the buttress to the tissue contacting surface of the cartridge body. The inner portion, the middle portion, the outer portion, and the at least one stiffened region are all formed from a common material.Type: ApplicationFiled: June 11, 2019Publication date: September 26, 2019Inventors: Sally Carter, Gerald Hodgkinson, Richard Stevenson, Arthur Hislop, Ernest Aranyi, Jennifer (Whiffen) Diederich
-
Publication number: 20190290280Abstract: An end effector for use with a surgical apparatus. The end effector comprising a staple cartridge having a tissue contacting surface defining a central longitudinal slot and an anvil plate having a tissue contacting surface defining a central longitudinal slot. A folded surgical buttress configured to overlie each of the tissue contacting surfaces of the staple cartridge and anvil plate and configured to retain the surgical buttress to the tissue contacting surfaces of each of the staple cartridge and anvil plate. The surgical buttress having a first longitudinal portion, a second longitudinal portion, and middle longitudinal portion between the first and second longitudinal portions, wherein the middle longitudinal portion is folded and configured to fit within the central longitudinal slot of each of the staple cartridge and anvil plate.Type: ApplicationFiled: June 11, 2019Publication date: September 26, 2019Inventors: Richard Stevenson, Paul Scirica
-
Patent number: 10357249Abstract: A staple cartridge for use with a surgical stapling apparatus includes a cartridge body including a tissue contacting surface defining a plurality of staple retaining slots, a staple disposed within each staple retaining slot of the cartridge body, and a substantially circular buttress. The buttress includes an inner portion, an outer portion, and a middle portion extending between the inner portion and the outer portion. At least one stiffened region joins the buttress to the tissue contacting surface of the cartridge body. The inner portion, the middle portion, the outer portion, and the at least one stiffened region are all formed from a common material.Type: GrantFiled: May 31, 2016Date of Patent: July 23, 2019Assignee: Covidien LPInventors: Sally Carter, Gerald Hodgkinson, Richard Stevenson, Arthur Hislop, Ernest Aranyi, Jennifer (Whiffen) Diederich
-
Patent number: 10349942Abstract: An end effector for use with a surgical apparatus. The end effector comprising a staple cartridge having a tissue contacting surface defining a central longitudinal slot and an anvil plate having a tissue contacting surface defining a central longitudinal slot. A folded surgical buttress configured to overlie each of the tissue contacting surfaces of the staple cartridge and anvil plate and configured to retain the surgical buttress to the tissue contacting surfaces of each of the staple cartridge and anvil plate. The surgical buttress having a first longitudinal portion, a second longitudinal portion, and middle longitudinal portion between the first and second longitudinal portions, wherein the middle longitudinal portion is folded and configured to fit within the central longitudinal slot of each of the staple cartridge and anvil plate.Type: GrantFiled: July 5, 2016Date of Patent: July 16, 2019Assignee: Covidien LPInventors: Richard Stevenson, Paul Scirica
-
Patent number: 10321908Abstract: An apparatus for joining two hollow organ sections with an annular array of surgical staples includes a staple cartridge component, an anvil component, a buttress component and a fastening member. The staple cartridge component includes a plurality of surgical staples arranged in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp the organ sections between the staple cartridge and anvil components. The buttress component is configured and dimensioned to be positioned on a distal surface of the staple cartridge component. In particular, the buttress component includes a buttress member and a plurality of circumferentially arranged tabs extending proximally from the buttress member. The fastening member is configured and dimensioned to engage the plurality of circumferentially arranged tabs to securely position the buttress component on the staple cartridge component.Type: GrantFiled: December 30, 2015Date of Patent: June 18, 2019Assignee: Covidien LPInventors: Sally Carter, Richard Stevenson
-
Publication number: 20180168654Abstract: A surgical stapling instrument includes a staple cartridge assembly having a plurality of rows of staple receiving slots and an anvil assembly having a plurality of rows of staple forming recesses. The staple cartridge assembly, the anvil assembly, or both have one or more attachment members overmolded thereon. A staple line reinforcement material is attached to the attachment members.Type: ApplicationFiled: February 14, 2018Publication date: June 21, 2018Inventors: Gerald N. Hodgkinson, Richard Stevenson, Jennifer (Whiffen) Diederich
-
Patent number: 9775617Abstract: A surgical stapling device for joining tissue portions includes a handle assembly, and a tubular body portion having a staple cartridge assembly containing a plurality of surgical staples in an annular array. The surgical stapling device includes an anvil assembly having a shaft for removably connecting the anvil assembly to the tubular body portion. The anvil assembly and the tubular body portion are juxtaposed with respect to one another along the shaft and are arranged so as to be approximated with respect to one another. The surgical stapling device includes a buttress material supported by the tubular body portion and disposed between the anvil assembly and the staple cartridge assembly. The surgical stapling device includes a suture material that is adapted for engagement with the tubular body portion and the buttress material to secure the buttress material to the tubular body portion.Type: GrantFiled: April 9, 2015Date of Patent: October 3, 2017Assignee: Covidien LPInventors: Sally L. Carter, Richard Stevenson
-
Publication number: 20160367257Abstract: An end effector for use with a surgical apparatus. The end effector comprising a staple cartridge having a tissue contacting surface defining a central longitudinal slot and an anvil plate having a tissue contacting surface defining a central longitudinal slot. A folded surgical buttress configured to overlie each of the tissue contacting surfaces of the staple cartridge and anvil plate and configured to retain the surgical buttress to the tissue contacting surfaces of each of the staple cartridge and anvil plate. The surgical buttress having a first longitudinal portion, a second longitudinal portion, and middle longitudinal portion between the first and second longitudinal portions, wherein the middle longitudinal portion is folded and configured to fit within the central longitudinal slot of each of the staple cartridge and anvil plate.Type: ApplicationFiled: July 5, 2016Publication date: December 22, 2016Inventors: Richard Stevenson, Paul Scirica
-
Publication number: 20160270793Abstract: A staple cartridge for use with a surgical stapling apparatus includes a cartridge body including a tissue contacting surface defining a plurality of staple retaining slots, a staple disposed within each staple retaining slot of the cartridge body, and a substantially circular buttress. The buttress includes an inner portion, an outer portion, and a middle portion extending between the inner portion and the outer portion. At least one stiffened region joins the buttress to the tissue contacting surface of the cartridge body. The inner portion, the middle portion, the outer portion, and the at least one stiffened region are all formed from a common material.Type: ApplicationFiled: May 31, 2016Publication date: September 22, 2016Inventors: Sally Carter, Gerald Hodgkinson, Richard Stevenson, Arthur Hislop, Ernest Aranyi, Jennifer (Whiffen) Diederich
-
Publication number: 20160183929Abstract: A bimodal spinneret system including the bimodal spinneret and method for making a surgical buttress having improved characteristics are disclosed. The bimodal spinneret includes at least a distribution of hole diameters to create fibers with a more heterogeneous shear history and die swell. The system and method of using the bimodal spinneret creates a melt blown non-woven fiber mat that is cut into a surgical buttress having unique fabric properties such as differentiated load deflection behavior, flexural stiffness, polymer fiber alignment, fiber crystallinity and subsequent strength retention during in vitro degradation not attainable with unimodal spinneret hole diameters.Type: ApplicationFiled: December 24, 2014Publication date: June 30, 2016Inventors: RICHARD STEVENSON, SETH GLEIMAN
-
Publication number: 20160106430Abstract: An apparatus for joining two hollow organ sections with an annular array of surgical staples includes a staple cartridge component, an anvil component, a buttress component and a fastening member. The staple cartridge component includes a plurality of surgical staples arranged in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp the organ sections between the staple cartridge and anvil components. The buttress component is configured and dimensioned to be positioned on a distal surface of the staple cartridge component. In particular, the buttress component includes a buttress member and a plurality of circumferentially arranged tabs extending proximally from the buttress member. The fastening member is configured and dimensioned to engage the plurality of circumferentially arranged tabs to securely position the buttress component on the staple cartridge component.Type: ApplicationFiled: December 30, 2015Publication date: April 21, 2016Inventors: Sally Carter, Richard Stevenson
-
Patent number: 9277922Abstract: An apparatus for joining two hollow organ sections with an annular array of surgical staples includes a staple cartridge component, an anvil component, a buttress component and a fastening member. The staple cartridge component includes a plurality of surgical staples arranged in an annular array. The anvil component is movable relative to the staple cartridge component between spaced apart and approximated positions to adjustably clamp the organ sections between the staple cartridge and anvil components. The buttress components are configured and dimensioned to be positioned on a distal surface of the staple cartridge component and the proximal surface of the anvil component. In particular, the buttress component includes a buttress member and a plurality of circumferentially arranged tabs extending proximally from the buttress member.Type: GrantFiled: March 2, 2015Date of Patent: March 8, 2016Assignee: Covidien LPInventors: Sally Carter, Richard Stevenson
-
Publication number: 20150327864Abstract: 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: ApplicationFiled: July 24, 2015Publication date: November 19, 2015Inventors: Gerald Hodgkinson, Paul Scirica, Sally Carter, Richard Stevenson, Arthur Hislop, Thomas Casasanta