Patents by Inventor David M. Garrison

David M. Garrison 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: 11478295
    Abstract: An end effector assembly suitable for use with a forceps includes opposing first and second jaw members pivotably mounted with respect to one another. The first jaw member includes one or more pivot holes defined therein configured to receive a portion of a pivot pin therein. The end effector assembly also includes an electrically-insulative hinge configured to electrically isolate the first and second jaw members from one another including one or more pivot-hole locators having an aperture defined therein. The electrically-insulative hinge is attached to the first jaw member such that the one or more pivot-hole locators align with the one or more pivot holes of the second jaw member.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: October 25, 2022
    Assignee: COVIDIEN LP
    Inventor: David M. Garrison
  • Patent number: 11473837
    Abstract: A design is provided to convert a gas subcooled process plant to a recycle split vapor process for recovering ethane and propane from natural gas. When in operation, the recovery of ethane and propane can exceed 97 to 99 wt. % of the stream being processed. A second smaller demethanizer column is added to the gas subcooled process plant as well as the addition of several cryogenic pumps.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: October 18, 2022
    Assignee: UOP LLC
    Inventors: David M. Thom, Jeffrey R. Garrison, David Farr
  • Publication number: 20220257311
    Abstract: A forceps is provided and includes a housing having a shaft. An end effector assembly operatively connects to a distal end of the shaft and includes a pair of first and second jaw members. One or both of the first and second jaw members is movable relative to the other jaw member from a clamping position to an open position. A resilient member operably couples to at least one of the first and second jaw members. The resilient member is configured to bias the first and second jaw members in the clamping position and provide a closure force on tissue disposed therebetween.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 18, 2022
    Inventors: David M. Garrison, James D. Allen, IV, Jeffrey R. Unger, Duane E. Kerr, Sean T. O'Neill, Peter M. Mueller, Kim V. Brandt, James S. Cunningham, Keir Hart, Daniel A. Joseph, Jason Sanders, Robert M. Sharp
  • Patent number: 11324545
    Abstract: A forceps is provided and includes a housing having a shaft. An end effector assembly operatively connects to a distal end of the shaft and includes a pair of first and second jaw members. One or both of the first and second jaw members is movable relative to the other jaw member from a clamping position to an open position. A resilient member operably couples to at least one of the first and second jaw members. The resilient member is configured to bias the first and second jaw members in the clamping position and provide a closure force on tissue disposed therebetween.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: May 10, 2022
    Assignee: Covidien LP
    Inventors: David M. Garrison, James D. Allen, IV, Jeffrey R. Unger, Duane E. Kerr, Sean T O'Neill, Peter M. Mueller, Kim V. Brandt, James S. Cunningham, Keir Hart, Daniel A. Joseph, Jason T. Sanders, Robert M. Sharp
  • Publication number: 20210330375
    Abstract: An electrosurgical instrument includes an end effector assembly including first and second jaw members. At least one of the first or second jaw members is movable about a pivot relative to the other from a spaced-apart position to an approximated position to grasp tissue between first and second opposed surfaces of the first and second jaw members, respectively. The electrosurgical instrument further includes an interface configured to provide a feedback related to a size of tissue grasped by the first and second jaw members. At least one of the first or second jaw members includes a touch sensor configured to sense a touch span where the tissue touches the at least one of the first or second opposed surfaces. The end effector assembly further includes an angle sensor configured to sense an angle ? about the pivot between the first and second opposed surfaces.
    Type: Application
    Filed: March 24, 2021
    Publication date: October 28, 2021
    Inventors: Amanda H. Lennartz, Daniel A. Joseph, Jennifer R. McHenry, Cornelia F. Twomey, David M. Garrison, Tyler J. Bagrosky, Robert H. Wham, Jing Zhao, Erin E. Wehrly
  • Publication number: 20210298814
    Abstract: A jaw assembly includes an electrically-conductive tissue-engaging structure, a jaw member including a support base, and a non-electrically conductive member including a first portion configured to engage the electrically-conductive tissue-engaging structure and a second portion configured to engage the support base of the jaw member. The non-electrically conductive member adapted to electrically isolate the electrically-conductive tissue-engaging structure from the jaw member. The electrically-conductive tissue-engaging structure and the non-electrically conductive member cooperatively define a longitudinally-oriented knife channel therethrough.
    Type: Application
    Filed: June 14, 2021
    Publication date: September 30, 2021
    Inventor: David M. Garrison
  • Publication number: 20210290297
    Abstract: An electrosurgical system includes an end effector assembly and a sensor. The end effector assembly includes first and second jaw members each defining an electrically-conductive tissue-contacting surface. At least one of the first or second jaw members is movable relative to the other between a spaced-apart position and an approximated position for grasping tissue between the tissue-contacting surfaces thereof. The electrically-conductive tissue-contacting surfaces of the first and second jaw members are adapted to connect to a source of electrosurgical energy for conducting energy through tissue grasped therebetween to treat tissue. The sensor is configured to sense at least one property of smoke produced as a result of the conduction of energy through tissue grasped between the electrically-conductive tissue-contacting surfaces.
    Type: Application
    Filed: January 28, 2021
    Publication date: September 23, 2021
    Inventors: Amanda H. Lennartz, Daniel A. Joseph, Jennifer R. McHenry, Cornelia F. Twomey, Erin E. Wehrly, Tracy J. Pheneger, David M. Garrison, Tyler J. Bagrosky, Robert H. Wham, Jing Zhao
  • Publication number: 20210295990
    Abstract: A method of surgery includes inserting a surgical instrument into a surgical site, supplying energy from a surgical generator to tissue at the surgical site via the surgical instrument to treat the tissue, sensing at least one property of smoke at the surgical site, and determining at least one parameter of smoke at the surgical site based upon the at least one property. The method further includes controlling the supply of energy from the surgical generator based upon the at least one parameter and/or providing an output based upon the at least one parameter.
    Type: Application
    Filed: January 28, 2021
    Publication date: September 23, 2021
    Inventors: Daniel A. Joseph, Jennifer R. McHenry, Cornelia F. Twomey, Erin E. Wehrly, Tracy J. Pheneger, David M. Garrison, Tyler J. Bagrosky, Robert H. Wham, Jing Zhao
  • Publication number: 20210290292
    Abstract: A surgical system includes a surgical instrument configured for insertion into a surgical site, a sensor configured to sense at least one property of smoke at the surgical site, and a surgical generator including a controller and an energy output. The energy output is configured to supply energy to the surgical instrument for application to tissue at the surgical site to treat the tissue. The controller is configured to receive the at least one property, determine at least one parameter of smoke at the surgical site based upon the at least one property, and control the energy output based upon the at least one parameter and/or provide an output based upon the at least one parameter.
    Type: Application
    Filed: January 28, 2021
    Publication date: September 23, 2021
    Inventors: Daniel A. Joseph, Jennifer R. McHenry, Cornelia F. Twomey, Erin E. Wehrly, Tracy J. Pheneger, David M. Garrison, Tyler J. Bagrosky, Robert H. Wham, Jing Zhao
  • Publication number: 20210282837
    Abstract: A tissue resection device includes a handpiece and an end effector assembly extending distally from the handpiece. The end effector assembly includes an outer shaft defining a longitudinal axis and including a window defined therethrough towards a distal end thereof. The end effector assembly further includes an inner member rotationally disposed within the outer shaft. The inner member includes a proximal body portion and a distal cutting portion. The proximal body portion is coaxially disposed on the longitudinal axis and rotatable thereabout. The distal cutting portion includes an offset portion that is radially offset from the longitudinal axis and is configured to orbit about the longitudinal axis. At least a portion of the distal cutting portion is a thermal cutting element configured to heat in response to application of electrical energy thereto.
    Type: Application
    Filed: February 11, 2021
    Publication date: September 16, 2021
    Inventors: Kenneth E. Netzel, Purvishkumar H. Soni, Kenlyn S. Bonn, Daniel A. Joseph, John A. Hammerland, III, Daniel W. Mercier, Devon E. Scott-Drechsel, Mark A. Johnston, David M. Garrison, Jing Zhao, Yanzhu Zhao
  • Publication number: 20210267664
    Abstract: An electrosurgical system includes an end effector assembly, a display, and a controller. The end effector assembly includes first and second jaw members each defining a tissue-treating surface. At least one of the first or second jaw members is movable relative to the other between a spaced-apart position and an approximated position for grasping tissue between the tissue-treating surfaces thereof. At least one of the first or second jaw members includes a sensor. The controller is configured to receive sensor data from the sensor, generate a tissue indication based upon the sensor data, and output the tissue indication to the display. The display is configured to display the tissue indication. The tissue indication indicates a location along the first jaw member at which tissue is grasped between the tissue-treating surfaces of the first and second jaw members.
    Type: Application
    Filed: February 26, 2021
    Publication date: September 2, 2021
    Inventors: Amanda H. Lennartz, Daniel A. Joseph, Jennifer R. Mchenry, Cornelia F. Twomey, Erin E. Wehrly, Pierre Gherardi, David M. Garrison, Tyler J. Bagrosky, Jing Zhao
  • Patent number: 11103302
    Abstract: A forceps includes a housing having a shaft. An end effector assembly operatively connects to a distal end of the shaft and includes a pair of first and second jaw members. One or both of the first and second jaw members is movable relative to the other jaw member from a clamping position to an open position. A resilient member operably couples to the first and second jaw members. The resilient member is configured to bias the first and second jaw members in the clamping position and provide a closure force on tissue disposed therebetween.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: August 31, 2021
    Assignee: Covidien LP
    Inventors: David M. Garrison, Jeffrey M. Roy, Duane E. Kerr
  • Publication number: 20210234993
    Abstract: A system includes a surgical instrument configured to perform a laparoscopic surgical operation, a location sensor configured to identify a spatial relationship between an anatomical structure and the surgical instrument, and a processor configured to receive a graphical representation of a patient, determine proximity of the distal end portion of the surgical instrument with the anatomical structure of the patient based on the spatial relationship, and generate a warning based on the determination of proximity.
    Type: Application
    Filed: December 3, 2020
    Publication date: July 29, 2021
    Inventors: Amanda H. Lennartz, Daniel A. Joseph, Cornelia F. Twomey, Erin E. Wehrly, Pierre Gherardi, Tracy J. Pheneger, David M. Garrison, Tyler J. Bagrosky, Robert H. Wham, Jing Zhao
  • Publication number: 20210228287
    Abstract: A method includes providing a graphical representation of a surgical site, grasping the tissue of the patient with first and second jaw members of an end effector including a location sensor, irradiating a laser onto the grasped tissue at the first jaw member, detecting scattered laser that has passed through the grasped tissue, at the second jaw member, processing the scattered laser to calculate a first frequency shift and to identify a vessel which is encompassed within the grasped tissue, receiving location information of the end effector from the location sensor, synchronizing a location of the identified vessel within the graphical representation based on the location information, and displaying the identified vessel at the synchronized location in the graphical representation.
    Type: Application
    Filed: December 4, 2020
    Publication date: July 29, 2021
    Inventors: Amanda H. Lennartz, Daniel A. Joseph, Cornelia F. Twomey, Erin E. Wehrly, Tracy J. Pheneger, David M. Garrison, Tyler J. Bagrosky, Jing Zhao
  • Publication number: 20210228087
    Abstract: A method includes providing a graphical representation of a surgical site, grasping the tissue of the patient with first and second jaw members of an end effector including a location sensor, illuminating optical light into the grasped tissue at the first jaw member, receiving the optical light that has passed through the grasped tissue, at the second jaw member, processing the received light to identify a vessel, which is encompassed within the grasped tissue, receiving location information of the end effector from the location sensor, synchronizing a location of the identified vessel within the graphical representation based on the location information, and displaying the identified vessel at the synchronized location in the graphical representation.
    Type: Application
    Filed: December 4, 2020
    Publication date: July 29, 2021
    Inventors: Amanda H. Lennartz, Daniel A. Joseph, Cornelia F. Twomey, Erin E. Wehrly, David M. Garrison, Tyler J. Bagrosky, Robert H. Wham, Jing Zhao, Tracy J. Pheneger
  • Publication number: 20210228262
    Abstract: A method includes providing a graphical representation of a surgical site, grasping the tissue of the patient with first and second jaw members of an end effector including a location sensor, irradiating a laser onto the grasped tissue at the first jaw member, detecting laser speckle data from the grasped tissue at the first jaw member, processing the laser speckle data to identify a vessel which is encompassed within the grasped tissue by generating a laser speckle image, receiving location information of the end effector from the location sensor, synchronizing a location of the identified vessel within the graphical representation based on the location information, and displaying the identified vessel at the synchronized location in the graphical representation.
    Type: Application
    Filed: December 4, 2020
    Publication date: July 29, 2021
    Inventors: Amanda H. Lennartz, Daniel A. Joseph, Cornelia F. Twomey, Erin E. Wehrly, Tracy J. Pheneger, David M. Garrison, Tyler J. Bagrosky, Jing Zhao
  • Publication number: 20210177498
    Abstract: A forceps includes a housing having a shaft. An end effector assembly operatively connects to a distal end of the shaft and includes a pair of first and second jaw members. One or both of the first and second jaw members is movable relative to the other jaw member from a clamping position to an open position. A resilient member operably couples to the first and second jaw members. The resilient member is configured to bias the first and second jaw members in the clamping position and provide a closure force on tissue disposed therebetween.
    Type: Application
    Filed: March 2, 2021
    Publication date: June 17, 2021
    Inventors: David M. Garrison, Jeffrey M. Roy, Duane E. Kerr
  • Patent number: 11033320
    Abstract: A jaw assembly includes an electrically-conductive tissue-engaging structure, a jaw member including a support base, and a non-electrically conductive member including a first portion configured to engage the electrically-conductive tissue-engaging structure and a second portion configured to engage the support base of the jaw member. The non-electrically conductive member adapted to electrically isolate the electrically-conductive tissue-engaging structure from the jaw member. The electrically-conductive tissue-engaging structure and the non-electrically conductive member cooperatively define a longitudinally-oriented knife channel therethrough.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: June 15, 2021
    Assignee: COVIDIEN LP
    Inventor: David M. Garrison
  • Patent number: 11020172
    Abstract: An endoscopic forceps is provided and includes a housing having a shaft that extends therefrom. An end effector assembly is operatively connected to a distal end of the shaft and includes a pair of pivotably coupled first and second jaw members. The jaw members are movable relative to one another. A drive mechanism includes a driving structure. A link assembly includes two or more links that are operably coupled to each other and the drive structure. The two or more links are operably coupled to respective ones of the first and second jaw members.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: June 1, 2021
    Assignee: Covidien LP
    Inventor: David M. Garrison
  • Patent number: 10993762
    Abstract: A surgical instrument includes an end effector and a housing mechanically coupled to the end effector. The end effector includes a first actuating device configured to perform a first surgical procedure and a second actuating device integrally associated with the first actuating device and configured to perform a second surgical procedure, the second surgical procedure being independently operable and different than the first surgical procedure. An outer portion of the first actuating device and an outer portion of the second actuating device form a portion of an outer housing of the end effector. The housing includes a first actuator, mechanically coupled to the first actuating device and configured to impart movement to the first actuating device and a second actuator, mechanically coupled to the second actuating device and configured to impart movement to the second actuating device.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: May 4, 2021
    Assignee: Covidien LP
    Inventor: David M. Garrison