Patents by Inventor John R. Brustad

John R. Brustad 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: 10342604
    Abstract: An electrosurgical system can include an electrosurgical generator, a feedback circuit or controller, and an electrosurgical tool. The feedback circuit can provide an electrosurgery endpoint by determining the phase end point of a tissue to be treated. The electrosurgical system can include more than one electrosurgical tool for different electrosurgical operations and can include a variety of user interface features and audio/visual performance indicators. The electrosurgical system can also power conventional bipolar electrosurgical tools and direct current surgical appliances.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: July 9, 2019
    Assignee: Applied Medical Resources Corporation
    Inventors: John R. Brustad, Zoran Falkenstein, Christopher J. Cappello, Gary M. Johnson, Benjamin A. Gianneschi, Olivia J. Tran, Matthew A. Wixey, Kennii Pravongviengkham, Boun Pravong, Haruyasu Yawata, Matthew M. Becerra, Adam J. Cohen, Nabil Hilal, Edward D. Pingleton, Said S. Hilal, Charles C. Hart, Chris R. Wikoff
  • Publication number: 20190192793
    Abstract: An insufflating surgical instrument adapted for movement across an abdominal wall to insufflate an abdominal region of a patient is disclosed. The instrument comprises a shaft having an insufflation channel extending between a proximal end and a distal end, the insufflation channel being adapted for connection to a source of fluid under pressure at the proximal end. A tip is at the distal end and a vent hole is formed in the tip being in connection with the insufflation channel and adapted to expel fluid under pressure to insufflate the abdominal region. The tip is formed of a transparent material to facilitate visualization of the abdominal wall and region. The shaft includes a lumen extending along the axis between the proximal end and the distal end to enable insertion of a laparoscope. The lumen and insufflation channel may be formed as separate channels or as one shared channel.
    Type: Application
    Filed: March 4, 2019
    Publication date: June 27, 2019
    Inventors: Jeremy J. Albrecht, John R. Brustad, Scott V. Taylor, Gary M. Johnson, Nabil Hilal
  • Patent number: 10226589
    Abstract: An insufflating surgical instrument adapted for movement across an abdominal wall to insufflate an abdominal region of a patient is disclosed. The instrument comprises a shaft having an insufflation channel extending between a proximal end and a distal end, the insufflation channel being adapted for connection to a source of fluid under pressure at the proximal end. A tip is at the distal end and a vent hole is formed in the tip being in connection with the insufflation channel and adapted to expel fluid under pressure to insufflate the abdominal region. The tip is formed of a transparent material to facilitate visualization of the abdominal wall and region. The shaft includes a lumen extending along the axis between the proximal end and the distal end to enable insertion of a laparoscope. The lumen and insufflation channel may be formed as separate channels or as one shared channel.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: March 12, 2019
    Assignee: Applied Medical Resources Corporation
    Inventors: Jeremy J. Albrecht, John R. Brustad, Scott V. Taylor, Gary M. Johnson, Nabil Hilal
  • Patent number: 10124156
    Abstract: A surgical access port for insertion into a body cavity can have an elongate tubular body extending along an axis between a proximal end and a distal end, and a tip at the distal end of the tubular body for penetrating through a body wall and into the body cavity. The distal tip moves from a first, penetrating position to a second, retaining position when the body wall has been traversed. The surgical access port may further comprise a seal housing connected to the proximal end of the tubular body, the seal housing having an access port providing an opening into the tubular body to allow passage of surgical instruments. The distal tip may be sharp, pointed or bladed. The distal tip may also be substantially blunt or have a conical surface. The access port may further comprise a retention member for connecting the tubular body and the distal tip.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: November 13, 2018
    Assignee: Applied Medical Resources Corporation
    Inventors: Gary M. Johnson, John R. Brustad, Charles C. Hart
  • Publication number: 20180221623
    Abstract: The invention primarily is directed to a medical tubing adapted for insertion into a body tissue or cavity and method of manufacturing different variations of the tubing along a length of the tubing. The tubing comprises a plurality of individual, discrete, generally ring-shaped elements arranged in series and fused or bonded together forming a continuous tubular structure. The ring-shaped elements may include a combination of flexible and rigid ring-shaped elements assembled along different portions or sections of the tubular structure. In another aspect of the invention, the medical tubing may further comprise a secondary lumen and a pull wire to control the tubular structure. In another aspect of the invention, the ring-shaped elements may vary in diameter and/or composition in different portions or sections of the tubular structure.
    Type: Application
    Filed: April 10, 2018
    Publication date: August 9, 2018
    Inventors: John R. Brustad, Said S. Hilal, Nabil Hilal, Charles C. Hart, Gary M. Johnson, Serene Wachli, Ghassan Sakakine, Donald L. Gadberry, Edward D. Pingleton, Matthew N. Petrime, Payam Adlparvar, Carl B. Hadley, Kenneth K. Vu
  • Patent number: 9987460
    Abstract: The invention primarily is directed to a medical tubing adapted for insertion into a body tissue or cavity and method of manufacturing different variations of the tubing along a length of the tubing. The tubing comprises a plurality of individual, discrete, generally ring-shaped elements arranged in series and fused or bonded together forming a continuous tubular structure. The ring-shaped elements may include a combination of flexible and rigid ring-shaped elements assembled along different portions or sections of the tubular structure. In another aspect of the invention, the medical tubing may further comprise a secondary lumen and a pull wire to control the tubular structure. In another aspect of the invention, the ring-shaped elements may vary in diameter and/or composition in different portions or sections of the tubular structure.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: June 5, 2018
    Assignee: Applied Medical Resources Corporation
    Inventors: John R. Brustad, Said S. Hilal, Nabil Hilal, Charles C. Hart, Gary M. Johnson, Serene Wachli, Ghassan Sakakine, Donald L. Gadberry, Edward D. Pingleton, Matthew N. Petrime, Payam Adlparvar, Carl B. Hadley, Kenneth K. Vu
  • Patent number: 9962537
    Abstract: A medical tubing being flexible and kink-free as gas insufflation tubing and non-collapsible as suction/irrigation tubing is provided. The tubing is lightweight and thin-walled. The tubing has a generally rigid but thin walled with a structural shape or is generally soft and thin-walled tubing with a hard re-enforcement.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: May 8, 2018
    Assignee: Applied Medical Resources Corporation
    Inventors: Boun Pravong, Kennii Pravongviengkham, Nabil Hilal, John R. Brustad, Zoran Falkenstein
  • Patent number: 9962222
    Abstract: An electrosurgical instrument includes jaws having an electrode configuration utilized to electrically modify tissue in contact with one or more electrodes. The instrument is removably connectable to an electrosurgical unit via an electrosurgical connector extending from the instrument and a receptacle on the electrosurgical unit. The electrosurgical instrument is rotatable without disrupting electrical connection to the electrodes of the jaws. One or more of the electrodes is retractable. The electrosurgical unit and instrument optimally seals and/or cuts tissue based on identifying the tissue and monitoring the modification of the tissue by the application of radio frequency energy.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: May 8, 2018
    Assignee: Applied Medical Resources Corporation
    Inventors: John R. Brustad, Zoran Falkenstein, Benjamin Linville-Engler, Matthew A. Wixey, Gary M. Johnson, Patrick Elliott
  • Patent number: 9955992
    Abstract: The invention relates to a tissue morcellator for minimally invasive surgery. The morcellator has a metallic cutting ring mounted on a visually transparent hollow cylinder, which in combination with a visually transparent outer morcellator tube enables a surgeon to visualize the inside of the morcellator shaft for detection of loose tissue fragments in the device. A tenaculum used with the morcellation device has a spacer for preventing contact with the blade. The cutting tube can oscillate, rather than rotate, along the longitudinal axis of the cutting tube. The morcellator utilizes an extendable tissue guide on the outer tube of the morcellator shaft for preventing the tissue from rotating along the longitudinal axis of the morcellator tube. This allows the tissue to be continuously rotated into the morcellator device for continuous peel. The tissue guide can also be fully retracted to allow for coring of the bulk tissue.
    Type: Grant
    Filed: October 24, 2012
    Date of Patent: May 1, 2018
    Assignee: Applied Medical Resources Corporation
    Inventors: Boun Pravong, Kennii Pravongviengkham, Matthew M. Becerra, Matthew A Wixey, Haruyasu Yawata, Gary M. Johnson, Zoran Falkenstein, John R. Brustad, Charles C. Hart
  • Publication number: 20180103943
    Abstract: Devices, methods, and systems provide a surgical access device comprising an internal retractor device integrated with or coupled to a body wall or wound retractor. The wound retractor retracts an opening in a body wall into a body cavity, while the internal retractor permits a user to control the positions of internal structures within the body cavity, thereby permitting a user to define a surgical field. Embodiments of the internal retractor are adjustable.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 19, 2018
    Inventors: Charles C. Hart, Gary M. Johnson, Eric Nguyen, Edward D. Pingleton, Kennii Pravongviengkham, Ghassan Sakakine, Serene Wachli, John R. Brustad, Olivia Tran
  • Patent number: 9867604
    Abstract: Devices, methods, and systems provide a surgical access device comprising an internal retractor device integrated with or coupled to a body wall or wound retractor. The wound retractor retracts an opening in a body wall into a body cavity, while the internal retractor permits a user to control the positions of internal structures within the body cavity, thereby permitting a user to define a surgical field. Embodiments of the internal retractor are adjustable.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: January 16, 2018
    Assignee: Applied Medical Resources Corporation
    Inventors: Charles C. Hart, Gary M. Johnson, Eric Nguyen, Edward D. Pingleton, Kenni Pravongviengkham, Ghassan Sakakine, Serene Wachli, John R. Brustad, Olivia Tran
  • Publication number: 20170333024
    Abstract: An incrementally adjustable wound retractor, which provides access to a body cavity, includes a flexible retraction sheath, an inner ring having a diameter greater than the desired diameter of the wound incision attached to the distal end of the retraction sheath, and at least two rows of a plurality of loops disposed around the proximal end of the retraction sheath, each row of loops sized and configured to receive a noncompliant split hoop. The two split hoops may be rolled over each other and around the annular axis to retract the sheath with sufficient force to stretch the incision to the desired diameter.
    Type: Application
    Filed: May 15, 2017
    Publication date: November 23, 2017
    Inventors: Jeremy J. Albrecht, Charles C. Hart, John R. Brustad, Gary M. Johnson, Jennifer T. Ko, Donald L. Gadberry
  • Publication number: 20170319234
    Abstract: A tissue retractor comprising an outer ring, an inner ring, and a flexible, metal sheath extending therebetween is described. Embodiments of the inner ring comprise a flat or wedge-shaped conformation useful for insertion between muscle layers. Other embodiments of the inner ring include variable diameter inner rings, where the diameter can be adjusted as required and optionally locked into place, and reshapeable inner rings that permit a user to conform the inner ring to the anatomy of the patient when placing the inner ring.
    Type: Application
    Filed: July 24, 2017
    Publication date: November 9, 2017
    Inventors: Jeremy J. Albrecht, Eric Nguyen, Matthew M. Becerra, Gary M. Johnson, John R. Brustad, Ghassan Sakakine
  • Patent number: 9743954
    Abstract: A tissue retractor comprising an outer ring, an inner ring, and a flexible, metal sheath extending therebetween is described. Embodiments of the outer ring comprise an outer ring rotatable around an annular axis thereof, thereby rolling the sheath therearound when retracting an incision or opening in a body wall. Embodiments of the sheath comprise a plurality of linked loops, a plurality of loops joined by a wire extending through adjacent loops, a braided wire, and a plurality of chains. Also described are kits comprising outer rings, inner rings, and sheaths, some or all of varying dimensions, which may be selected and assembled by the user for their intended use. Some or all of the kit components may be resterilized for reuse.
    Type: Grant
    Filed: July 8, 2015
    Date of Patent: August 29, 2017
    Assignee: Applied Medical Resources Corporation
    Inventors: Jeremey J. Albrecht, Eric Nguyen, Matthew M. Becerra, Gary M. Johnson, John R. Brustad, Ghassan Sakakine
  • Publication number: 20170215916
    Abstract: The invention is directed to a bladeless trocar obturator to separate or divaricate body tissue during insertion through a body wall. In one aspect, the obturator of the invention comprises a shaft extending along an axis between a proximal end and a distal end; and a bladeless tip disposed at the distal end of the shaft and having a generally tapered configuration with an outer surface, the outer surface extending distally to a blunt point with a pair of side sections having a common shape and being separated by at least one intermediate section, wherein each of the side sections extends from the blunt point radially outwardly with progressive positions proximally along the axis, and the shaft is sized and configured to receive an optical instrument having a distal end to receive an image of the body tissue. With this aspect, the tapered configuration facilitates separation of different layers of the body tissue and provides proper alignment of the tip between the layers.
    Type: Application
    Filed: April 17, 2017
    Publication date: August 3, 2017
    Inventors: Henry Kahle, Arkadiusz A. Strokosz, Kimball B. McGinley, Scott V. Taylor, Gary M. Johnson, John R. Brustad
  • Patent number: 9717522
    Abstract: A surgical access system comprises a wound retractor comprising an outer anchor, an inner anchor, and a flexible, tubular sheath extending therebetween. Embodiments of the outer anchor comprise an outer ring rotatable around an annular axis thereof, thereby rolling the sheath therearound when retracting an incision or opening in a body wall. The sheath comprises a plurality of fibers or strands that improve the abrasion and puncture resistance thereof. Consequently, the surgical access system is useful in procedures in which damage to the sheath is likely, for example, orthopedic hip replacement, and spinal procedures. In some embodiments, the sheath tapers from the outer ring to the inner ring.
    Type: Grant
    Filed: August 31, 2010
    Date of Patent: August 1, 2017
    Assignee: Applied Medical Resources Corporation
    Inventors: Jeremy J. Albrecht, Eric Nguyen, Matthew M. Becerra, Gary M. Johnson, John R. Brustad, Ghassan Sakakine
  • Patent number: 9700348
    Abstract: A trocar fixation device can comprise a cannula, at least one flap coupled to an exterior surface of the cannula within a central region of the cannula, and an elongate tube rotatably mounted onto the cannula and over the at least one flap. The elongate tube has at least one opening extending between an interior surface and an exterior surface of the elongate tube. In a free, activated state, the flap biases radially outwardly from the cannula. In a constrained, deactivated state, the at least one flap is positioned between the cannula and the elongate tube and maintained substantially parallel to the exterior surface of the cannula. The at least one opening in the elongate tube is sized and positioned such that rotation of the elongate tube in a first direction about the cannula exposes the flap in its entirety through the opening and allows the flap to activate.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: July 11, 2017
    Assignee: Applied Medical Resources Corporation
    Inventors: Gigi Au, Jeremy J. Albrecht, Charles C. Hart, Gary M. Johnson, John R. Brustad
  • Patent number: 9675378
    Abstract: A steerable kink resistant access device is provided having an elongated body and a steerable portion; methods for manufacturing the kink resistant device are also provided. The access sheath has an outside diameter sufficiently small so that it may be inserted into a body cavity or conduit. The access sheath typically has two internal lumen, a first lumen sized and configured as an access to a surgical site and a second lumen sized and configured to contain a tensioning device that, when acted upon, will deflect the steerable portion. The tensioning device may be directly or remotely attached to an actuation device that operates to control the tensioning and loosening of the tensioning device.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: June 13, 2017
    Assignee: Applied Medical Resources Corporation
    Inventors: Charles C. Hart, John R. Brustad, Nabil Hilal, Henry Kahle, Donald L. Gadberry
  • Patent number: 9669153
    Abstract: A process of making a tack-free gel is disclosed comprising the steps of providing a mold defining a mold cavity, the mold cavity comprising a plastic material; pouring or injecting a molten gel having a high molding temperature into the mold cavity; and forming the tack-free gel as a thin layer of plastic of the mold cavity is melted over the gel. The forming step further comprises cooling the gel from the molten state to a solidified state. The melting temperature of the plastic material is lower than the molding temperature of the gel; and the higher the temperature differential, the greater the melting of the plastic material and the thicker the layer of the plastic material on the surface of the gel. The mold may be formed of low-density polyethylene (LDPE).
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: June 6, 2017
    Assignee: Applied Medical Resources Corporation
    Inventors: Russell E. Ahlberg, Payam Adlparvar, Scott V. Taylor, Matthew A. Wixey, Daniel Martinez, John R. Brustad
  • Publication number: 20170151011
    Abstract: An electrosurgical system can include an electrosurgical generator, a feedback circuit or controller, and an electrosurgical tool. The feedback circuit can provide an electrosurgery endpoint by determining the phase end point of a tissue to be treated. The electrosurgical system can include more than one electrosurgical tool for different electrosurgical operations and can include a variety of user interface features and audio/visual performance indicators. The electrosurgical system can also power conventional bipolar electrosurgical tools and direct current surgical appliances.
    Type: Application
    Filed: February 13, 2017
    Publication date: June 1, 2017
    Inventors: John R. Brustad, Zoran Falkenstein, Christopher J. Cappello, Gary M. Johnson, Benjamin A. Gianneschi, Olivia J. Tran, Matthew A. Wixey, Kennii Pravongviengkham, Boun Pravong, Haruyasu Yawata, Matthew M. Becerra, Adam J. Cohen, Nabil Hilal, Edward D. Pingleton, Said S. Hilal, Charles C. Hart, Chris R. Wikoff