Patents by Inventor Weng-Kai K. Lee
Weng-Kai K. Lee 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: 11871954Abstract: An ultrasonic transducer and generator (TAG) assembly of a surgical instrument includes generator components and transducer components. The generator components are disposed within a first cavity cooperatively defined by a body portion and a cover. The generator components are covered in a thermally insulative material. The transducer components are disposed within a second cavity cooperatively defined by a proximal housing and a spinner housing.Type: GrantFiled: May 11, 2022Date of Patent: January 16, 2024Assignee: Covidien LPInventors: Weng-Kai K. Lee, Michael Clifton, James R. Fagan, Titus Horton, Keith W. Malang, Kenneth E. Netzel, Daniel Simmons, Christopher T. Tschudy, David J. Van Tol
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Patent number: 11826090Abstract: A bipolar forceps includes a mechanical forceps including first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof for effecting movement of the jaw members relative to one another about a pivot. A disposable housing is configured to releasably couple to at least one of the shafts and an electrode assembly is associated with the disposable housing. The electrode assembly includes electrodes releasably coupleable to the jaw members. At least one of the electrodes includes a knife channel configured to receive a knife blade therethrough to cut tissue grasped between the jaw members. A switch is configured to initiate delivery of electrosurgical energy from the source of electrosurgical energy to the electrodes. An actuation mechanism is configured to selectively advance the knife blade through the knife channel to cut tissue.Type: GrantFiled: March 29, 2021Date of Patent: November 28, 2023Assignee: Covidien LPInventors: Weng-Kai K. Lee, Scott N. Lacosta, Kelley D. Goodman, Keir Hart, Duane E. Kerr, Geneva Ladtkow, Kenneth E. Netzel, Jeffrey R. Townsend, Raghavendra L. Bhandari, Peixiong Yi
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Publication number: 20230255655Abstract: An surgical enclosure includes electronics including at least one visual indicator and at least a first casing component enclosing the electronics therein. The first casing component is formed from a substantially transparent material and includes a first portion and a second portion. The first portion is treated to define a first finish that reduces transparency of the first portion. The second portion defines a greater transparency relative to the first portion to enable visualization of the at least one visual indicator therethrough.Type: ApplicationFiled: April 25, 2023Publication date: August 17, 2023Inventors: Titus C. Horton, Jeremy P. Green, Weng-Kai K. Lee, Daniel A. Simmons, Terry M. Duffin
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Patent number: 11666357Abstract: An enclosure configured to hermetically seal electronics of a surgical instrument therein includes a first casing component defining a first weld deck about a perimeter thereof, a second casing component defining a second weld deck about a perimeter thereof, and an energy director extending from the first weld deck and configured to facilitate ultrasonic welding of the first and second weld decks of the first and second casing components, respectively, with one another to establish a weld seam hermetically sealing the first and second casing components. The first weld deck lies in multiple planes.Type: GrantFiled: September 16, 2019Date of Patent: June 6, 2023Assignee: Covidien LPInventors: Titus Horton, Jeremy P. Green, Weng-Kai K. Lee, Daniel Simmons, Terry M. Duffin
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Publication number: 20220265305Abstract: An ultrasonic transducer and generator (TAG) assembly of a surgical instrument includes generator components and transducer components. The generator components are disposed within a first cavity cooperatively defined by a body portion and a cover. The generator components are covered in a thermally insulative material. The transducer components are disposed within a second cavity cooperatively defined by a proximal housing and a spinner housing.Type: ApplicationFiled: May 11, 2022Publication date: August 25, 2022Inventors: Weng-Kai K. Lee, Michael Clifton, James R. Fagan, Titus Horton, Keith W. Malang, Kenneth E. Netzel, Daniel Simmons, Christopher T. Tschudy, David J. Van Tol
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Patent number: 11331115Abstract: An ultrasonic transducer and generator (TAG) assembly of a surgical instrument includes generator components and transducer components. The generator components are disposed within a first cavity cooperatively defined by a body portion and a cover. The generator components are covered in a thermally insulative material. The transducer components are disposed within a second cavity cooperatively defined by a proximal housing and a spinner housing.Type: GrantFiled: September 20, 2019Date of Patent: May 17, 2022Assignee: Covidien LPInventors: Weng-Kai K. Lee, Michael Clifton, James R. Fagan, Titus Horton, Keith W. Malang, Kenneth E. Netzel, Daniel Simmons, Christopher T. Tschudy, David J. Van Tol
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Publication number: 20210212750Abstract: A bipolar forceps includes a mechanical forceps including first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof for effecting movement of the jaw members relative to one another about a pivot. A disposable housing is configured to releasably couple to at least one of the shafts and an electrode assembly is associated with the disposable housing. The electrode assembly includes electrodes releasably coupleable to the jaw members. At least one of the electrodes includes a knife channel configured to receive a knife blade therethrough to cut tissue grasped between the jaw members. A switch is configured to initiate delivery of electrosurgical energy from the source of electrosurgical energy to the electrodes. An actuation mechanism is configured to selectively advance the knife blade through the knife channel to cut tissue.Type: ApplicationFiled: March 29, 2021Publication date: July 15, 2021Inventors: Weng-Kai K. Lee, Scott N. Lacosta, Kelley D. Goodman, Keir Hart, Duane E. Kerr, Geneva Ladtkow, Kenneth E. Netzel, Jeffrey R. Townsend, Raghavendra L. Bhandari, Peixiong Yi
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Patent number: 10966779Abstract: A bipolar forceps includes a mechanical forceps including first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof for effecting movement of the jaw members relative to one another about a pivot. A disposable housing is configured to releasably couple to at least one of the shafts and an electrode assembly has electrodes releasably coupleable to the jaw members and adapted to connect to a source of electrosurgical energy to allow selective conduction of electrosurgical energy through tissue held therebetween to effect a tissue seal. An electrically conductive cutting element is disposed on at least one of the electrodes and is adapted to connect to the source of electrosurgical energy to allow selective conduction of electrosurgical energy through tissue held between the electrodes to effect a tissue cut.Type: GrantFiled: August 7, 2013Date of Patent: April 6, 2021Assignee: Covidien LPInventors: Keir Hart, Rebecca J. Coulson, Gary M. Couture, Geneva Ladtkow, Weng-Kai K. Lee, Kenneth E. Netzel, Prakash Manley, Arlen J. Reschke, Anthony D. Ricke, Jeffrey R. Townsend
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Patent number: 10959770Abstract: A method of assembling an electrosurgical instrument includes coupling first and second shafts to each other about a pivot. Each of the shafts has an interior side facing the other shaft and an exterior side opposite the interior side. The method also includes disposing a knife blade at least partially through a passageway defined through the pivot from the exterior side of the first shaft and coupling a knife actuation mechanism to the first shaft from the exterior side of the first shaft. The knife actuation mechanism is configured to move the knife blade through the passageway.Type: GrantFiled: April 24, 2018Date of Patent: March 30, 2021Assignee: COVIDIEN LPInventors: Weng-Kai K. Lee, Scott N. Lacosta, Kelley D. Goodman, Keir Hart, Duane E. Kerr, Geneva Ladtkow, Kenneth E. Netzel, Jeffrey R. Townsend, Raghavendra L. Bhandari, Peixiong Yi
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Publication number: 20210077141Abstract: An enclosure configured to hermetically seal electronics of a surgical instrument therein includes a first casing component defining a first weld deck about a perimeter thereof, a second casing component defining a second weld deck about a perimeter thereof, and an energy director extending from the first weld deck and configured to facilitate ultrasonic welding of the first and second weld decks of the first and second casing components, respectively, with one another to establish a weld seam hermetically sealing the first and second casing components. The first weld deck lies in multiple planes.Type: ApplicationFiled: September 16, 2019Publication date: March 18, 2021Inventors: TITUS HORTON, JEREMY P. GREEN, WENG-KAI K. LEE, DANIEL SIMMONS, TERRY M. DUFFIN
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Publication number: 20200107852Abstract: An ultrasonic transducer and generator (TAG) assembly of a surgical instrument includes generator components and transducer components. The generator components are disposed within a first cavity cooperatively defined by a body portion and a cover. The generator components are covered in a thermally insulative material. The transducer components are disposed within a second cavity cooperatively defined by a proximal housing and a spinner housing.Type: ApplicationFiled: September 20, 2019Publication date: April 9, 2020Inventors: Weng-Kai K. Lee, Michael Clifton, James R. Fagan, Titus Horton, Keith W. Malang, Kenneth E. Netzel, Daniel Simmons, Christopher T. Tschudy, David J. Van Tol
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Patent number: 10603102Abstract: A system includes an energy source and a surgical device. The energy source has a receptacle configured to delivery energy to the surgical device through a receptacle. The surgical device is configured to deliver the energy to tissue. The surgical device includes a plug selectively engagable to the receptacle to couple the surgical device to the energy source. The plug includes a prong configured to mechanically transition from a condition permitting engagement of the plug and the receptacle to another condition inhibiting engagement of the plug with the receptacle upon reaching a predetermined usage threshold.Type: GrantFiled: February 2, 2017Date of Patent: March 31, 2020Assignee: COVIDIEN LPInventors: Keir Hart, Jeffrey R. Townsend, Weng-Kai K. Lee, Prakash Manley, Geneva Ladtkow, Arlen J. Reschke, Diana Gunnarson, Scott N. Lacosta, Kelley D. Goodman, Kenneth E. Netzel, Susan Hiebert
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Patent number: 10245103Abstract: A jaw member includes an insulative member and a substrate. The substrate is formed as a single, integral component that has first and second side portions interconnected by a connector portion. The connector portion has first and second side portions that are interconnected by an arc-shaped portion. The connector portion is configured to be removed before use of the jaw member such that the first and second portions are electrically insulated from one another.Type: GrantFiled: May 3, 2017Date of Patent: April 2, 2019Assignee: COVIDIEN LPInventors: Kelley D. Goodman, Keir Hart, Susan Hiebert, Geneva Ladtkow, Weng-Kai K. Lee, Prakash Manley, Arlen J. Reschke, Amanda K. White
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Publication number: 20180235690Abstract: A bipolar forceps includes a mechanical forceps including first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof for effecting movement of the jaw members relative to one another about a pivot. A disposable housing is configured to releasably couple to at least one of the shafts and an electrode assembly is associated with the disposable housing. The electrode assembly includes electrodes releasably coupleable to the jaw members. At least one of the electrodes includes a knife channel configured to receive a knife blade therethrough to cut tissue grasped between the jaw members. A switch is configured to initiate delivery of electrosurgical energy from the source of electrosurgical energy to the electrodes. An actuation mechanism is configured to selectively advance the knife blade through the knife channel to cut tissue.Type: ApplicationFiled: April 24, 2018Publication date: August 23, 2018Inventors: WENG-KAI K. LEE, SCOTT N. LACOSTA, KELLEY D. GOODMAN, KEIR HART, DUANE E. KERR, GENEVA LADTKOW, KENNETH E. NETZEL, JEFFREY R. TOWNSEND, RAGHAVENDRA L. BHANDARI, PEIXIONG YI
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Patent number: 9962221Abstract: A bipolar forceps includes a mechanical forceps including first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof for effecting movement of the jaw members relative to one another about a pivot. A disposable housing is configured to releasably couple to at least one of the shafts and an electrode assembly is associated with the disposable housing. The electrode assembly includes electrodes releasably coupleable to the jaw members. At least one of the electrodes includes a knife channel configured to receive a knife blade therethrough to cut tissue grasped between the jaw members. A switch is configured to initiate delivery of electrosurgical energy from the source of electrosurgical energy to the electrodes. An actuation mechanism is configured to selectively advance the knife blade through the knife channel to cut tissue.Type: GrantFiled: August 7, 2013Date of Patent: May 8, 2018Assignee: COVIDIEN LPInventors: Weng-Kai K. Lee, Scott N. Lacosta, Kelley D. Goodman, Keir Hart, Duane E. Kerr, Geneva Ladtkow, Kenneth E. Netzel, Jeffrey R. Townsend, Raghavendra L. Bhandari, Peixiong Yi
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Patent number: 9820806Abstract: An electrosurgical forceps includes a housing having a shaft affixed thereto, the shaft including jaw members at a distal end thereof. The forceps also includes a switch assembly that includes a supporting member, a flexible membrane circuit having snap dome switch contacts operably fixed thereto, and ergonomically-contoured keytops. The switch assembly provides at least one monopolar activation switch, and a bipolar activation switch. The forceps also include a drive mechanism which causes the jaw members to move relative to one another for manipulating tissue. A monopolar safety switch is incorporated into the switch assembly which cooperates with the drive mechanism to inhibit the monopolar activation switch when the jaw members are in an open position.Type: GrantFiled: September 29, 2009Date of Patent: November 21, 2017Assignee: Covidien LPInventors: Weng-Kai K. Lee, Jeffrey R. Townsend, Scott N. LaCosta, Jason T. Sanders, Grant T. Sims
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Publication number: 20170231688Abstract: A jaw member includes an insulative member and a substrate. The substrate is formed as a single, integral component that has first and second side portions interconnected by a connector portion. The connector portion has first and second side portions that are interconnected by an arc-shaped portion. The connector portion is configured to be removed before use of the jaw member such that the first and second portions are electrically insulated from one another.Type: ApplicationFiled: May 3, 2017Publication date: August 17, 2017Inventors: KELLEY D. GOODMAN, KEIR HART, SUSAN HIEBERT, GENEVA LADTKOW, WENG-KAI K. LEE, PRAKASH MANLEY, ARLEN J. RESCHKE, AMANDA K. WHITE
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Publication number: 20170143407Abstract: A system includes an energy source and a surgical device. The energy source has a receptacle configured to delivery energy to the surgical device through a receptacle. The surgical device is configured to deliver the energy to tissue. The surgical device includes a plug selectively engagable to the receptacle to couple the surgical device to the energy source. The plug includes a prong configured to mechanically transition from a condition permitting engagement of the plug and the receptacle to another condition inhibiting engagement of the plug with the receptacle upon reaching a predetermined usage threshold.Type: ApplicationFiled: February 2, 2017Publication date: May 25, 2017Inventors: KEIR HART, JEFFREY R. TOWNSEND, WENG-KAI K. LEE, PRAKASH MANLEY, GENEVA LADTKOW, ARLEN J. RESCHKE, DIANA GUNNARSON, SCOTT N. LACOSTA, KELLEY D. GOODMAN, KENNETH E. NETZEL, SUSAN HIEBERT
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Patent number: 9649151Abstract: A method of manufacturing an end effector assembly including first and second energizable portions configured to supply energy to tissue is provided. The method includes forming a substrate including first and second portions interconnected by a connector portion. The substrate is formed as a single integrated component. The method further includes engaging the substrate with an insulative member, and removing the connector portion of the substrate to electrically insulate the first and second portions from one another.Type: GrantFiled: March 10, 2014Date of Patent: May 16, 2017Assignee: COVIDIEN LPInventors: Kelley D. Goodman, Keir Hart, Susan Hiebert, Geneva Ladtkow, Weng-Kai K. Lee, Prakash Manley, Arlen J. Reschke, Amanda K. White
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Patent number: D818584Type: GrantFiled: November 30, 2015Date of Patent: May 22, 2018Assignee: COVIDIEN LPInventors: Weng-Kai K. Lee, Scott N. Lacosta, Kenneth E. Netzel, Robert M. Sharp, Peixiong Yi