Patents by Inventor Daniel J. Prenger
Daniel J. Prenger 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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Patent number: 11517773Abstract: An apparatus for operating on tissue includes a body, a shaft assembly, and an end effector. The shaft assembly extends distally from the body and includes an acoustic waveguide. The waveguide is configured to acoustically couple with an ultrasonic transducer. The end effector includes an ultrasonic blade, a clamp arm, and a clamp pad. The blade is in acoustic communication with the waveguide. The clamp arm is configured to pivot about a first pivot point toward and away from the ultrasonic blade and includes a coupling feature. The clamp pad is selectively attachable to the blade to acoustically isolate the clamp arm from the ultrasonic blade. The coupling feature of the clamp arm is configured to provide a snap fit between the clamp pad and the clamp arm and thereby permit manipulation of the clamp pad for removal of the clamp pad from the clamp arm.Type: GrantFiled: August 23, 2019Date of Patent: December 6, 2022Assignee: Cilag GmbH InternationalInventors: Benjamin D. Dickerson, Kristen G. Denzinger, Ryan M. Asher, Collin J. Loch, Nathan D. Grubbs, Daniel J. Prenger, Laura A. Boehm
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Publication number: 20220240971Abstract: A surgical apparatus comprises a transducer assembly and a shaft assembly. The transducer assembly is operable to convert electrical power into ultrasonic vibrations. The shaft assembly comprises an ultrasonic waveguide, a sheath, a shroud, and a torque transfer assembly. The waveguide is configured to couple with the transducer assembly. The waveguide is disposed within the sheath. The sheath extends through the shroud. The torque transfer assembly is contained within the shroud. The torque transfer assembly is configured to transfer a predetermined range of torque from the shroud to the waveguide to thereby couple the waveguide with the transducer assembly. The torque transfer assembly is further configured to prevent transfer of torque from the shroud to the waveguide beyond an upper limit of the predetermined range.Type: ApplicationFiled: February 16, 2022Publication date: August 4, 2022Inventors: Cory G. Kimball, David A. Witt, William E. Clem, Nathan D. Grubbs, Daniel J. Prenger
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Patent number: 11273072Abstract: An apparatus includes a body, a cannula, a conduit, and a magnetic element. The cannula extends distally from the body. The cannula is flexible and has a distal end. The cannula defines a lumen distally terminating at the distal end. The cannula is sized and configured to pass between a sclera layer and a choroid layer in a human eye. The conduit is in fluid communication with the lumen. The magnetic element is positioned in the body.Type: GrantFiled: January 9, 2018Date of Patent: March 15, 2022Assignee: Gyroscope Therapeutics LimitedInventors: Daniel W. Price, Brendan J. Oberkircher, Daniel J. Prenger, Geoffrey King, Isaac J. Khan, Michael F. Keane
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Patent number: 11272950Abstract: A surgical apparatus comprises a transducer assembly and a shaft assembly. The transducer assembly is operable to convert electrical power into ultrasonic vibrations. The shaft assembly comprises an ultrasonic waveguide, a sheath, a shroud, and a torque transfer assembly. The waveguide is configured to couple with the transducer assembly. The waveguide is disposed within the sheath. The sheath extends through the shroud. The torque transfer assembly is contained within the shroud. The torque transfer assembly is configured to transfer a predetermined range of torque from the shroud to the waveguide to thereby couple the waveguide with the transducer assembly. The torque transfer assembly is further configured to prevent transfer of torque from the shroud to the waveguide beyond an upper limit of the predetermined range.Type: GrantFiled: January 16, 2019Date of Patent: March 15, 2022Assignee: Cilag GmbH InternationalInventors: Cory G. Kimball, David A. Witt, William E. Clem, Nathan D. Grubbs, Daniel J. Prenger, Ashvani K. Madan
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Patent number: 11076984Abstract: A method includes inserting a flexible cannula between a sclera and a choroid of an eye. The needle is advanced from a distal end of the flexible cannula, such that the needle pierces the choroid to access a subretinal space of the eye. The needle is used to aspirate fluid from the subretinal space. The fluid may be present from a retinal detachment, a macular hemorrhage, or other condition present before the procedure begins. The method may further include injecting the fluid in the subretinal space via the needle, in which case the fluid may be a balanced salt solution or other bleb fluid. The method may further include injecting a therapeutic agent into the subretinal space after aspirating the bleb fluid. The volume of injected bleb fluid may be greater than the volume of injected therapeutic agent.Type: GrantFiled: March 5, 2018Date of Patent: August 3, 2021Assignee: GYROSCOPE THERAPEUTICS LIMITEDInventors: Daniel W. Price, Brendan J. Oberkircher, Daniel J. Prenger, Geoffrey King, Isaac J. Khan, Michael F. Keane, Benjamin L. Ko
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Publication number: 20210038258Abstract: An integral seal system includes a body that defines a central opening, and an asymmetric seal extending into the central opening and including a diaphragm and an annular flange that extends between the body and the diaphragm, wherein the diaphragm has a cross-sectional thickness larger than a cross-sectional thickness of the annular flange. A duckbill seal extends distally from a bottom of the body and defines one or more parting lines that separate opposing seal flaps. The diaphragm complements insertion and extraction drag forces generated by the duckbill seal against a surgical tool shaft extended therethrough such that total insertion and extraction drag forces generated by the integral seal system are equalized.Type: ApplicationFiled: October 26, 2020Publication date: February 11, 2021Applicant: Ethicon LLCInventors: Steven G. Hall, Joseph Thomas Mozloom, Jr., Christopher W. Birri, Daniel J. Prenger, Ryan Alan Klenke
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Patent number: 10820924Abstract: A trocar assembly includes a trocar that includes a trocar housing and a cannula that extends distally from the trocar housing, and an integral seal system positioned within a central passageway extending axially through the trocar and engageable against a surgical tool shaft extended therethrough. The integral seal system includes an asymmetric seal and a duckbill seal arranged distal to the asymmetric seal, and the asymmetric seal defines a diaphragm that complements insertion and extraction drag forces generated by the duckbill seal against the surgical tool shaft such that total insertion and extraction drag forces generated by the integral seal system are equalized.Type: GrantFiled: June 15, 2018Date of Patent: November 3, 2020Assignee: Ethicon LLCInventors: Steven G. Hall, Joseph Thomas Mozloom, Jr., Christopher W. Birri, Daniel J. Prenger, Ryan Alan Klenke
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Patent number: 10806630Abstract: An apparatus includes a pad assembly, an injector assembly, an injector driver, and a fluid source. The pad assembly is sized and configured to be placed on a forehead of a patient. The injector assembly includes a body, a flexible cannula, and a needle. The body is configured to be removably secured to the pad assembly. The cannula is sized to be inserted through an incision in an eye of a patient. The needle is slidably disposed in the cannula. The injector driver is operable to drive the needle longitudinally relative to the flexible cannula. The fluid source assembly is in fluid communication with the needle.Type: GrantFiled: April 29, 2020Date of Patent: October 20, 2020Assignee: GYROSCOPE THERAPEUTICS LIMITEDInventors: Daniel W. Price, Brendan J. Oberkircher, James G. Lee, Clinton Denlinger, Daniel J. Prenger, Geoffrey King, Scott Uhland, Mark C. Tsai, Michael F. Keane, Isaac J. Khan, Benjamin L. Ko, Thomas E. Meyer, Denis P. Turner
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Patent number: 10806629Abstract: An apparatus includes a pad assembly, an injector assembly, an injector driver, and a fluid source. The pad assembly is sized and configured to be placed on a forehead of a patient. The injector assembly includes a body, a flexible cannula, and a needle. The body is configured to be removably secured to the pad assembly. The cannula is sized to be inserted through an incision in an eye of a patient. The needle is slidably disposed in the cannula. The injector driver is operable to drive the needle longitudinally relative to the flexible cannula. The fluid source assembly is in fluid communication with the needle.Type: GrantFiled: May 31, 2017Date of Patent: October 20, 2020Assignee: GYROSCOPE THERAPEUTICS LIMITEDInventors: Daniel W. Price, Brendan J. Oberkircher, James G. Lee, Clinton Denlinger, Daniel J. Prenger, Geoffrey King, Scott Uhland, Mark C. Tsai, Michael F. Keane, Isaac J. Khan, Benjamin L. Ko, Thomas E. Meyer, Denis P. Turner
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Publication number: 20200297531Abstract: An apparatus includes a pad assembly, an injector assembly, an injector driver, and a fluid source. The pad assembly is sized and configured to be placed on a forehead of a patient. The injector assembly includes a body, a flexible cannula, and a needle. The body is configured to be removably secured to the pad assembly. The cannula is sized to be inserted through an incision in an eye of a patient. The needle is slidably disposed in the cannula. The injector driver is operable to drive the needle longitudinally relative to the flexible cannula. The fluid source assembly is in fluid communication with the needle.Type: ApplicationFiled: April 29, 2020Publication date: September 24, 2020Inventors: Daniel W. Price, Brendan J. Oberkircher, James G. Lee, Clinton Denlinger, Daniel J. Prenger, Geoffrey King, Scott Uhland, Mark C. Tsai, Michael F. Keane, Isaac J. Khan, Benjamin L. Ko, Thomas E. Meyer, Denis P. Turner
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Patent number: 10646374Abstract: An apparatus includes an injector, a first fluid conduit, a second fluid line, and a control module. The injector includes a body, a flexible cannula, a flexible needle, and a sensor. The needle is configured to translate relative to the cannula. The sensor is operable to detect a position of the needle relative to the cannula. The first and second fluid lines are coupled with the needle. The control module is in communication with the sensor, with the first fluid conduit, and with the second fluid conduit. The control module is configured to provide delivery of a first fluid through the first conduit to the needle based on a signal from the sensor. The control module is further configured to provide delivery of a second fluid through the second conduit to the needle.Type: GrantFiled: May 31, 2017Date of Patent: May 12, 2020Assignee: ORBIT BIOMEDICAL LIMITEDInventors: Daniel W. Price, Brendan J. Oberkircher, Daniel J. Prenger, Geoffrey King, Thomas E. Meyer, Benjamin L. Ko
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Publication number: 20200078610Abstract: An apparatus for operating on tissue includes a body, a shaft assembly, and an end effector. The shaft assembly extends distally from the body and includes an acoustic waveguide. The waveguide is configured to acoustically couple with an ultrasonic transducer. The end effector includes an ultrasonic blade, a clamp arm, and a clamp pad. The blade is in acoustic communication with the waveguide. The clamp arm is configured to pivot about a first pivot point toward and away from the ultrasonic blade and includes a coupling feature. The clamp pad is selectively attachable to the blade to acoustically isolate the clamp arm from the ultrasonic blade. The coupling feature of the clamp arm is configured to provide a snap fit between the clamp pad and the clamp arm and thereby permit manipulation of the clamp pad for removal of the clamp pad from the clamp arm.Type: ApplicationFiled: August 23, 2019Publication date: March 12, 2020Inventors: Benjamin D. Dickerson, Kristen G. Denzinger, Ryan M. Asher, Collin J. Loch, Nathan D. Grubbs, Daniel J. Prenger, Laura A. Boehm
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Publication number: 20190380742Abstract: A trocar assembly includes a trocar that includes a trocar housing and a cannula that extends distally from the trocar housing, and an integral seal system positioned within a central passageway extending axially through the trocar and engageable against a surgical tool shaft extended therethrough. The integral seal system includes an asymmetric seal and a duckbill seal arranged distal to the asymmetric seal, and the asymmetric seal defines a diaphragm that complements insertion and extraction drag forces generated by the duckbill seal against the surgical tool shaft such that total insertion and extraction drag forces generated by the integral seal system are equalized.Type: ApplicationFiled: June 15, 2018Publication date: December 19, 2019Applicant: Ethicon LLCInventors: Steven G. Hall, Joseph Thomas Mozloom, JR., Christopher W. Birri, Daniel J. Prenger, Ryan Alan Klenke
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Patent number: 10456157Abstract: An apparatus for operating on tissue includes a body, a shaft assembly, and an end effector. The shaft assembly extends distally from the body and includes an acoustic waveguide. The waveguide is configured to acoustically couple with an ultrasonic transducer. The end effector includes an ultrasonic blade, a clamp arm, and a clamp pad. The blade is in acoustic communication with the waveguide. The clamp arm is configured to pivot about a first pivot point toward and away from the ultrasonic blade and includes a coupling feature. The clamp pad is selectively attachable to the blade to acoustically isolate the clamp arm from the ultrasonic blade. The coupling feature of the clamp arm is configured to provide a snap fit between the clamp pad and the clamp arm and thereby permit manipulation of the clamp pad for removal of the clamp pad from the clamp arm.Type: GrantFiled: August 26, 2015Date of Patent: October 29, 2019Assignee: Ethicon LLCInventors: Benjamin D. Dickerson, Kristen G. Denzinger, Ryan M. Asher, Collin J. Loch, Nathan D. Grubbs, Daniel J. Prenger, Laura A. Boehm
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Publication number: 20190216490Abstract: A surgical apparatus comprises a transducer assembly and a shaft assembly. The transducer assembly is operable to convert electrical power into ultrasonic vibrations. The shaft assembly comprises an ultrasonic waveguide, a sheath, a shroud, and a torque transfer assembly. The waveguide is configured to couple with the transducer assembly. The waveguide is disposed within the sheath. The sheath extends through the shroud. The torque transfer assembly is contained within the shroud. The torque transfer assembly is configured to transfer a predetermined range of torque from the shroud to the waveguide to thereby couple the waveguide with the transducer assembly. The torque transfer assembly is further configured to prevent transfer of torque from the shroud to the waveguide beyond an upper limit of the predetermined range.Type: ApplicationFiled: January 16, 2019Publication date: July 18, 2019Inventors: Cory G. Kimball, David A. Witt, William E. Clem, Nathan D. Grubbs, Daniel J. Prenger, Ashvani K. Madan
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Patent number: 10226271Abstract: A surgical apparatus comprises a transducer assembly and a shaft assembly. The transducer assembly is operable to convert electrical power into ultrasonic vibrations. The shaft assembly comprises an ultrasonic waveguide, a sheath, a shroud, and a torque transfer assembly. The waveguide is configured to couple with the transducer assembly. The waveguide is disposed within the sheath. The sheath extends through the shroud. The torque transfer assembly is contained within the shroud. The torque transfer assembly is configured to transfer a predetermined range of torque from the shroud to the waveguide to thereby couple the waveguide with the transducer assembly. The torque transfer assembly is further configured to prevent transfer of torque from the shroud to the waveguide beyond an upper limit of the predetermined range.Type: GrantFiled: November 22, 2013Date of Patent: March 12, 2019Assignee: Ethicon LLCInventors: Cory G. Kimball, David A. Witt, William E. Clem, Nathan D. Grubbs, Daniel J. Prenger, Ashvani K. Madan
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Patent number: 10149678Abstract: A surgical instrument that has a cartridge receiving assembly, a shaft assembly, and a needle driving cartridge. The cartridge receiving assembly in connected to the shaft assembly. The needle driving cartridge is capable of being inserted into the cartridge receiving assembly. The needle driving cartridge is capable of driving a needle along an orbital path in a single angular direction. The needle driving cartridge includes a body, a curved needle, a needle drive assembly, and a needle guide assembly capable of guiding a needle along the orbital path. The needle guide assembly includes a cleat. The cleat has two needle engagement features. The two needle engagement features are configured to simultaneously engage two separate regions of the outer surface of the needle at the same portion of the length of the needle.Type: GrantFiled: June 17, 2015Date of Patent: December 11, 2018Assignee: Ethicon LLCInventors: David T. Martin, Christopher J. Hess, William J. White, Aaron J. Brickner, Daniel J. Prenger, Frederick E. Shelton, IV, Adam Hensel
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Publication number: 20180256394Abstract: A method includes inserting a flexible cannula between a sclera and a choroid of an eye. The needle is advanced from a distal end of the flexible cannula, such that the needle pierces the choroid to access a subretinal space of the eye. The needle is used to aspirate fluid from the subretinal space. The fluid may be present from a retinal detachment, a macular hemorrhage, or other condition present before the procedure begins. The method may further include injecting the fluid in the subretinal space via the needle, in which case the fluid may be a balanced salt solution or other bleb fluid. The method may further include injecting a therapeutic agent into the subretinal space after aspirating the bleb fluid. The volume of injected bleb fluid may be greater than the volume of injected therapeutic agent.Type: ApplicationFiled: March 5, 2018Publication date: September 13, 2018Inventors: Daniel W. Price, Brendan J. Oberkircher, Daniel J. Prenger, Geoffrey King, Isaac J. Khan, Michael F. Keane, Benjamin L. Ko
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Publication number: 20180200108Abstract: An apparatus includes a body, a cannula, a conduit, and a magnetic element. The cannula extends distally from the body. The cannula is flexible and has a distal end. The cannula defines a lumen distally terminating at the distal end. The cannula is sized and configured to pass between a sclera layer and a choroid layer in a human eye. The conduit is in fluid communication with the lumen. The magnetic element is positioned in the body.Type: ApplicationFiled: January 9, 2018Publication date: July 19, 2018Inventors: Daniel W. Price, Brendan J. Oberkircher, Daniel J. Prenger, Geoffrey King, Isaac J. Khan, Michael F. Keane
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Patent number: 9986998Abstract: A surgical suturing system comprises a shaft having a proximal end, a distal end, a longitudinal axis between the proximal and distal ends, and receiver on the distal end with a rotary drive. A cartridge is selectively attachable to and detachable from the receiver. The cartridge has a surgical needle, a length of suture connected to the needle, a needle driver operative to engage and move the needle relative the cartridge, a transmission operatively connected to the needle driver, and a torsional interface rotationally coupling the rotary drive to the transmission.Type: GrantFiled: July 28, 2016Date of Patent: June 5, 2018Assignee: ETHICON LLCInventors: David T. Martin, Aaron J. Brickner, Daniel J. Prenger