Patents Examined by Kathleen S Holwerda
  • Patent number: 11903608
    Abstract: A wire for use with a vascular treatment device may have a proximal end, a distal end, and a main shaft extending therebetween. The distal end may have a distal free end and a first segment. The first segment may extend from the main shaft and may be biased to a first included angle that is defined between the main shaft and the first segment and less than 180 degrees.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: February 20, 2024
    Assignee: Merit Medical Systems, Inc.
    Inventor: Michael G. Tal
  • Patent number: 11896254
    Abstract: A surgical device comprising: a closure assembly including: (a) a latch unit comprising: (A) a hook latch, having a home position, (B) a forward bias constraint, (C) a rearward bias constraint, and (D) a bias member extending between the forward bias constraint and the rearward bias constraint so that the bias member has a pre-load when the hook latch is in the home position; (b) a movement unit including a bar that is movable relative to the latch unit so that the bar is movable in a prescribed motion into contact with the latch unit to create a locked state; and wherein the bar moves into contact with the hook latch driving the hook latch in a first direction, away relative to the home position, and then the hook latch is moved by the bar in a second direction relative to the home position, and a loading of the bias member is increased from the pre-load when the hook latch is moved in either the first direction away from the home position or the second direction away from the home position.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: February 13, 2024
    Assignee: Gyrus ACMI, Inc.
    Inventors: Eric J. Boone, Christian J. Fiksen, Zane R. Ward, Hanam Pham, Jeffrey Nelson
  • Patent number: 11890483
    Abstract: In various examples, an apparatus is configured for subcutaneously inserting an implantable device within a patient. The apparatus includes a dilator portion including a dilator including a dilator length. The dilator portion is configured to separate tissue to create a subcutaneous pocket within the patient sized and shaped to accommodate an implantable device within the subcutaneous pocket. A sheath portion includes a sheath sized and shaped to accommodate the dilator within a sheath lumen. The sheath is configured to accommodate an antenna of the implantable device with the dilator removed from within the sheath. The sheath includes a sheath length that is at least substantially as long as an antenna length. The sheath is configured to separate to allow removal of the sheath around the implantable device to remove the sheath from and leave the implantable device within the subcutaneous pocket within the patient.
    Type: Grant
    Filed: May 11, 2021
    Date of Patent: February 6, 2024
    Assignee: Greatbatch Ltd.
    Inventors: Rodolphe Katra, Scott Kimmel, Lawrence Kane, Daniel Chase
  • Patent number: 11890016
    Abstract: Provided is a device for use in anastomosis particularly (although not exclusively) suitable for anastomosis of tubular organs within the body, particularly small tubular organs (such as blood vessels, bile duct, lymph duct, nerve ducts, epididymis, etc.).
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: February 6, 2024
    Assignee: LYDUS MEDICAL LTD.
    Inventors: Dean Ad-El, Kamal Daas, Muhamad Mansur
  • Patent number: 11883043
    Abstract: The present disclosure includes a system for retrieving a blood clot in a blood vessel using a clot retrieval device having an expansile funnel that can engage with the blood clot. The present disclosure also includes a clot retrieval device having an expandable framework that can engage with the blood clot. The expansile funnel and expandable framework can expand from a collapsed delivery state to an expanded deployed state, increasing the cross-sectional area of the clot retrieval device engaging the blood clot. The increased cross-sectional area of the clot retrieval device can increase the suction force, providing effective removal of the clot from the patient.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: January 30, 2024
    Inventors: Roberto Echarri, Dennis Fonseca
  • Patent number: 11883045
    Abstract: A device for capturing and removing an obstruction in a bodily duct of a patient. The device includes a cylindrical body having a circumference and a longitudinal axis. According to some implementations the cylindrical body is comprised of a plurality of closed cell structures arranged in diagonal rows around the longitudinal axis. At least some of closed cell structures have substantially the same shape and size. According to some implementations at least some of the closed cell structures of substantially the same shape and size occupy a same circumferential location in the cylindrical body and are longitudinally separated from one another by no less than two, three, four or more diagonal rows of closed cell structures. According to other implementations the closed cell structures include diagonally extending struts having at least a curve portion and a straight portion.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: January 30, 2024
    Assignee: HIGHWAY 1 MEDICAL, INC.
    Inventors: Vera Shinsky, Scott Wilson
  • Patent number: 11883034
    Abstract: A cartridge may include a pair of side walls separated by a compartment, the compartment being configured to receive a surgical clip, and a base member supporting the pair of side walls. The pair of side walls may extend at an acute angle relative to a vertical axis of the base member to hold the surgical clip at the acute angle. The acute angle may be greater than 10° and/or about 20-30°. The cartridge may also include a pedestal extending between the pair of side walls and configured to support the surgical clip, where the pedestal is disposed at the acute angle. The cartridge may further include a retainer configured to retain the surgical clip in the compartment, the retainer including a pair of fingers configured to contact the surgical clip, where the pair of fingers are oriented at the acute angle.
    Type: Grant
    Filed: May 14, 2021
    Date of Patent: January 30, 2024
    Inventor: Ian Enniss
  • Patent number: 11883109
    Abstract: A method comprises receiving a surgical instrument into engagement with a grip actuator of a teleoperational activation system. The surgical instrument includes movable jaws, and the surgical instrument is received in a prearranged gripping configuration with the jaws gripping a surgical accessory. The method includes generating a first control signal for manipulating the surgical instrument while maintaining the surgical instrument in the prearranged gripping configuration. The method further includes generating a second control signal for manipulating the surgical instrument to move from the prearranged gripping configuration to a second configuration.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: January 30, 2024
    Assignee: Intuitive Surgical Operations, Inc.
    Inventors: Thomas G. Cooper, David Q. Larkin, Paul E. Lilagan
  • Patent number: 11883050
    Abstract: A surgical instrument configured for both grasping and cutting operations has a shaft with a push rod extending through it. An end effector on the shaft has a grasping jaw, a cutting jaw, and an intermediate jaw. The grasping jaw forms a grasping device with the intermediate jaw, and the cutting jaw forming a cutting device with the intermediate member.
    Type: Grant
    Filed: October 18, 2022
    Date of Patent: January 30, 2024
    Assignee: Asensus Surgical US, Inc.
    Inventors: Damien Brasset, Stefano Maghini, Riccardo Pozzato
  • Patent number: 11877953
    Abstract: In one embodiments, a phacoemulsification apparatus includes a phacoemulsification probe including a horn, a needle mounted in the horn and configured for insertion into a lens capsule of a human eye, and a piezoelectric actuator configured to vibrate the horn and the needle and having a resonant frequency, a signal generator configured to generate a drive signal to drive a vibration of the piezoelectric actuator, phase detection circuitry configured to measure a phase difference between: a voltage across the piezoelectric actuator, and a current flowing through the piezoelectric actuator in response to the drive signal, and a controller configured to adjust a frequency of the drive signal so as to minimize the measured phase difference, whereby the piezoelectric actuator vibrates at the resonant frequency.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: January 23, 2024
    Inventors: Assaf Govari, Vadim Gliner
  • Patent number: 11877954
    Abstract: Provided herein are methods and devices for grasping and/or tearing trabecular meshwork of an eye of a subject. The devices may include a shaft and a tissue grabber coupled to the shaft. The tissue grabber may include an elongate lower foot configured to be inserted into Schlemm's canal, and a groove configured to grasp a portion of the trabecular meshwork. The methods may include: advancing a tissue grabber to Schlemm's canal of the eye, wherein the tissue gripper comprises a lower foot and a tissue grabbing region; advancing a tip of the lower foot through the trabecular meshwork and into Schlemm's canal; and advancing the lower foot within and relative to Schlemm's canal, wherein as the lower foot is advanced, a portion of the trabecular enters the tissue gripping region, is torn from surrounding tissue, and is collected within the tissue gripping region.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: January 23, 2024
    Assignee: SIGHT SCIENCES, INC.
    Inventors: David Y. Badawi, Paul Badawi, Daniel O'Keeffe
  • Patent number: 11871930
    Abstract: Ligation bands are provided having improved compression and anti-slip properties. For example, a ligation band can be provide with a substantially ring-shaped elastic body that has a first tissue-contacting surface, a second tissue-contacting surface opposite the first tissue-contacting surface, and an aperture that extends therethrough. At least one of the tissue-contacting surfaces can have a plurality of protrusions that define an interlinking web-pattern with a plurality of recesses.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: January 16, 2024
    Inventors: Melissa Clark, Fritz Haller
  • Patent number: 11871955
    Abstract: Various embodiments are directed to articulatable surgical instruments and surgical systems comprising articulatable surgical instruments. Some embodiments comprise an end effector to comprising an ultrasonic blade. A hollow shaft may extend proximally from the end effector along a longitudinal axis. The hollow shaft may comprise a rigid portion and a flexible portion at a first position on the longitudinal axis distal from the rigid portion. A waveguide may extend through the shaft and may be acoustically coupled to the ultrasonic blade. The waveguide may comprise a flexible portion at the first position on the longitudinal axis such that the end effector is pivotable away from the longitudinal axis from the first position.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: January 16, 2024
    Assignee: Cilag GmbH International
    Inventors: Foster B. Stulen, Zhifan F. Huang, Patrick A. Weizman, Steven P. Smolik, Carl J. Draginoff, Jr.
  • Patent number: 11864752
    Abstract: A surgical stitching device is configured for single hand operation that enables passage of a suture needle through tissue with minimal operational requirement. The surgical needle is selectively securable to a tool assembly of the surgical stitching device. The tool assembly includes a jaw configured to securely support various surgical needles in various orientations.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: January 9, 2024
    Assignee: Covidien LP
    Inventors: Asa G. Deblois, Jonathan D. Thomas
  • Patent number: 11832810
    Abstract: A suturing device for minimally invasive surgery is disclosed. The suturing device has a head defining one or more ferrule holders and a tissue bite area. The device also has a first needle comprising a flywheel portion and one or more curved arms extending from the flywheel portion, each of the one or more curved arms comprising a ferrule engaging tip, wherein the first needle is pivotably coupled to the head. The suturing device further has a first actuator coupled to the first needle and configured to rotate it from a retracted position, where the ferrule engaging tip of each of the one or more curved arms starts away from the one or more ferrule holders, through the tissue bite area, and to an engaged position where the ferrule engaging tip of each of the one or more curved arms is operationally aligned with the one or more ferrule holders.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: December 5, 2023
    Assignee: LSI Solutions, Inc.
    Inventor: Jude S. Sauer
  • Patent number: 11833025
    Abstract: After a prolonged period in the body, an IVC filter can be substantially absorbed by the body. When this occurs, it can be very difficult and/or dangerous for the patient if the IVC filter is forcibly removed. Thus, it is desirable to have systems and methods for safely abandoning the removal procedure of the IVC filter. Example embodiments of an apparatus for safely abandoning the removal procedure of the IVC filter can include: a sleeve having a lumen and a first hole on a wall of the sleeve; a shaft slidably disposed within the lumen of the sleeve; a flexible distal extension comprising a braid structure with a first opening; and a first lasso encircling a portion of the first opening of the braid.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: December 5, 2023
    Inventor: Teresa Ruvalcaba
  • Patent number: 11826050
    Abstract: Described here are devices, systems and methods for closing the left atrial appendage. Some of the methods described here utilize one or more guide members having alignment members to aid in positioning of a closure device. In general, these methods include advancing a first guide having a first alignment member into the left atrial appendage, advancing a second guide, having a second alignment member, into the pericardial space, aligning the first and second alignment members, advancing a left atrial appendage closure device into the pericardial space and adjacent to the left atrial appendage, and closing the left atrial appendage with the closure device. In these variations, the closure device typically has an elongate body having a proximal end and a distal end, and a closure element at least partially housed within the elongate body. The closure element comprises a loop defining a continuous aperture therethrough.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: November 28, 2023
    Assignee: AtriCure, Inc.
    Inventors: Gary H. Miller, Russell A. Seiber, Gregory W. Fung
  • Patent number: 11826040
    Abstract: Disclosed embodiments include apparatuses, systems, and methods for guiding a needle to facilitate suturing, such as in surgical anastomosis. In an illustrative embodiment, an apparatus includes at least one guide member configured to extend from a suturing mechanism that is configured to revolve a helically-shaped needle around an axis while the needle is advanced around an object to be sutured. A guide track is configured to be positioned around the object and to guide the suturing mechanism in an articulated path around the object. The guide track defines at least one guide channel configured to receive the guide member, where the at least one guide channel is configured to direct movement of the guide member to cause the suturing mechanism to pivot to realign the axis to be tangential to the curved guide track.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: November 28, 2023
    Assignee: Gyrus ACMI, Inc.
    Inventor: Adam Lee Smith
  • Patent number: 11819629
    Abstract: A catheter shaft includes an inner layer defining an innermost circumferential surface of the catheter shaft and defining a lumen of the catheter shaft, and an outer layer defining an outermost circumferential surface of the catheter shaft. The inner layer is formed by a first polymer having a first durometer and a first melting temperature. The outer layer is formed by alternating first and second segments of the first polymer and a second polymer, respectively, that alternate in a circumferential direction. The second polymer has a second durometer softer than the first durometer and a second melting temperature lower than the first melting temperature. Each segment of the alternating first and second segments extend in an axial direction for substantially an entire length of the catheter shaft. A method of forming the catheter shaft via extrusion is also disclosed.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: November 21, 2023
    Inventor: Susheel Deshmukh
  • Patent number: 11805972
    Abstract: A wound closure system includes a device having a first main body and a second main body. Each of the first main body and the second main body has an adhesive backing. The first main body is coupled to the second main body by an adjustable connector. The adjustable connector is permitted to move in a single direction. In the event of an injury, the first and second main bodies are placed on opposite sides of a wound and are then pulled together, thereby sealing the wound.
    Type: Grant
    Filed: March 1, 2022
    Date of Patent: November 7, 2023
    Inventor: Vlassios Pizanias