Patents Examined by Robert F Long
  • Patent number: 10786252
    Abstract: An instrument includes a body, a shaft, and an end effector in communication with the shaft. The end effector includes opposing jaws, a staple cartridge, and a placement tip located at a distal end of one of the jaws. The placement tip includes first and second legs extending distally from one of the jaws. A void extends completely through the placement tip and separates the first and second legs. A distal portion connects the first and second legs. The distal portion has a first cross-sectional height that is greater than a second cross-sectional height of the first and second legs. The placement tip may include a body portion formed between an outer perimeter and an inner perimeter. The inner perimeter is defined by a void extending through the placement tip. At least a distal end of the body portion is bent towards the opposing jaw.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: September 29, 2020
    Assignee: Ethicon LLC
    Inventors: Jason L. Harris, Gregory J. Bakos, Chester O. Baxter, III, Frederick E. Shelton, IV
  • Patent number: 10786250
    Abstract: A surgical instrument for applying tacks to tissue includes a handle assembly, an elongated portion, an outer tube, an end effector, a rotation assembly, and a rotation-limiting structure. The rotation assembly is configured to rotate at least a portion of the outer tube about a first longitudinal axis and with respect to the handle assembly. The rotation assembly includes a rotation knob rotationally fixed to a proximal portion of the outer tube. The rotation-limiting structure is disposed in mechanical cooperation with at least one of the rotation assembly and the handle assembly, and is configured to limit an amount of rotation of the outer tube with respect to the handle assembly.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: September 29, 2020
    Assignee: COVIDIEN LP
    Inventor: Gregory Fischvogt
  • Patent number: 10780563
    Abstract: An electric power tool according to one aspect of the present disclosure includes a main body, a motor, a tool holder configured to hold a tool bit, a hammer, a motion converter, a rotation transmitter, a first load detector, a second load detector, and a motor controller. The first load detector detects, based on information indicating a drive state of the motor, a load imposed from a work piece to the tool bit. The second load detector detects, based on information indicating a behavior of the main body, a load imposed from the work piece to the tool bit. The motor controller sets an upper limit of rotational speed of the motor to a predetermined no-load rotational speed in response to no-load on the tool bit being detected by both the first load detector and the second load detector.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: September 22, 2020
    Assignee: MAKITA CORPORATION
    Inventors: Yoshitaka Ichikawa, Hirokatsu Yamamoto, Ryo Umemoto, Kunihisa Shima
  • Patent number: 10781566
    Abstract: A percussion action pneumatic tool for compacting backfill areas including a vibration isolator and a percussion mechanism. The vibration isolator includes an inner shaft and an outer sleeve attached to a pair of springs. The springs dampen vibration or feedback transferred from the percussion mechanism to the outer sleeve and felt by the operator. The percussion mechanism includes a pair of elbows and an air conduit which allows the airflow to move through a second flow path into a second air space when the valve assembly directs the airflow through the second flow path.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: September 22, 2020
    Assignee: M-B-W, Inc.
    Inventor: Benjamin J. Paske
  • Patent number: 10779832
    Abstract: An apparatus is provided for stapling tissue. The apparatus includes an anvil and a trocar selectively coupled with the anvil. The anvil may have an inner opening and a plurality of staple pockets aligned around a surface of the anvil. The anvil may be inserted trans-orally through an esophagus prior to being coupled with the trocar. The trocar may include a shaft and a locking assembly. The locking assembly may secure the anvil in position relative to the trocar when the locking assembly is in the expanded position. The apparatus may also include an alignment assembly to align the staple pockets of the anvil relative to the apparatus. The apparatus may also include an introduction assembly to guide the anvil through the esophagus.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: September 22, 2020
    Assignee: Ethicon LLC
    Inventors: Charles J. Scheib, Cortney E. Henderson, Frederick E. Shelton, IV
  • Patent number: 10780541
    Abstract: A vacuum dust extraction system includes a snorkel coupled to the implement end of an air tool, a dust bellows surrounding the air tool's implement and fastened to the outboard end of the snorkel, a pneumatically powered water filtration industrial vacuum, and a suction hose coupling the snorkel to the vacuum. The apparatus features an improved coupling arrangement for attaching the snorkel to the barrel of the tool driver that permits the apparatus to work with a wide assortment of air tools, and an improved water filtration apparatus housed in the vacuum.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: September 22, 2020
    Assignee: G.A.W. Inc.
    Inventors: Robert Arthur, James Robert Arthur, Kenan Wollborg, Nicholas J. Russell
  • Patent number: 10779834
    Abstract: A circular stapler apparatus for stapling tissue includes a staple and pledget assembly and a circular staple head operable to drive staples toward an anvil. A staple of the staple and pledget assembly has a pair of legs disposed substantially perpendicular to a crown of the staple in a first position. The pair of legs is operable to advance against a pocket in the anvil to form a staple with bent legs. The staple and pledget assembly includes the staple and a pledget configured to receive the pair of legs of the staple. The pledget comprises a bioabsorbable material. The pledget is configured to advance distal ends of the pair of legs to a position in which the distal ends are laterally offset from a plane in which the crown of the staple is disposed.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: September 22, 2020
    Assignee: Ethicon LLC
    Inventor: Frederick E. Shelton, IV
  • Patent number: 10779827
    Abstract: A dissecting tip is provided for use with a surgical stapler or instrument. In one embodiment, the dissecting tip is secured to the end effector of a surgical stapler, e.g., to the anvil assembly or cartridge assembly. The dissecting tip extends distally from the end effector and is configured to dissect or separate target tissue from certain tissue, e.g., adherent, connective, joined or other tissue.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: September 22, 2020
    Assignee: Covidien LP
    Inventors: Paul Scirica, Todd Demmy, Lee Ann Olson
  • Patent number: 10780567
    Abstract: An accessory attachment for a driven fastener hand tool is disclosed comprising a mounting block having an attachment channel and an indexing guide feature. A plate for covering a fastener driving channel of the fastener tool has a nose end with chamfered edges on opposing sides towards the fastener driving channel and the attachment channel has opposing lips for seating against the chamfered edges of the nose end of the plate. One or more bolts through the mounting block at a bottom of the attachment channel press the nose end of the plate causing the opposing lips of the mounting block to press against the chamfered edges thereby securing the mounting block to the nose end of the plate. Alternately or additionally, the mounting block can be used to support a range of accessories including, a non-marring pad, a light, such as an LED, a level, and/or an edge guide.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: September 22, 2020
    Assignee: Power Tech Staple and Nail, Inc.
    Inventors: Raymond Wong, Shih-Yi Chen, Chin-Chuan Chen
  • Patent number: 10772625
    Abstract: A surgical instrument assembly can comprise a handle including an electric motor, a shaft assembly including a drive member, and a magnet configured to generate a magnetic field. The surgical instrument assembly further comprises, one, a rotatable output shaft operably coupled with the electric motor and the drive member and, two, a wire coil wound around the output shaft which is positioned in the magnetic field. The wire coil is rotated within the magnetic field when the output shaft is rotated about a longitudinal axis which induces a current in the wire coil. The surgical instrument assembly further comprises a strain gauge mounted to the output shaft configured to detect strain created within the output shaft and, in addition, a circuit mounted to the output shaft, wherein the circuit and/or the strain gauge is powered by the current induced in the wire coil.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: September 15, 2020
    Assignee: Ethicon LLC
    Inventors: Frederick E. Shelton, IV, David C. Yates, Jason L. Harris
  • Patent number: 10765442
    Abstract: Surgical devices and methods are provided that utilize an end effector biased to a closed position when an actuator of the device is biased in an uncompressed configuration. End effectors according to the present disclosure can include first and second jaws that can be moved from the biased closed position to an open position by compressing the actuator from the uncompressed configuration and towards a compressed configuration. Various force assemblies and related components are provided that allow the device to achieve two end effector actuation profiles: (1) moving from a closed position and to an open position; and (2) moving from a closed position, to an open position, and back to the closed position. Various structures and methods for operating such devices during a surgical procedure are also provided.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: September 8, 2020
    Assignee: Ethicon LLC
    Inventor: Geoffrey S. Strobl
  • Patent number: 10758259
    Abstract: The present disclosure relates to a dissecting tip for use in a surgical stapler or instrument.
    Type: Grant
    Filed: April 6, 2018
    Date of Patent: September 1, 2020
    Assignee: Covidien LP
    Inventors: Todd Demmy, Paul Scirica, Lee Ann Olson
  • Patent number: 10758236
    Abstract: An apparatus includes a body, an anvil, a firing assembly, and a closure assembly. The firing assembly includes a staple driver, a deck member, and an annular array of staples. The closure assembly includes a trocar, a knob, and a limiting adjustment feature. The trocar is configured to actuate the anvil relative to the body to capture tissue between the anvil and the deck member. The knob is configured to rotate relative to the body to actuate the trocar relative to the body. The limiting adjustment feature is configured to selectively rotate the knob to actuate the trocar and the anvil proximally until tissue captured between the anvil and the deck member is compressed under a predetermined maximum clamping force. The limiting adjustment feature is configured to slip relative to the knob when tissue captured between then anvil and the deck member is compressed over the predetermined maximum clamping force.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: September 1, 2020
    Assignee: Ethicon LLC
    Inventors: William D. Fox, Gregory J. Bakos, Joshua Uth
  • Patent number: 10758233
    Abstract: In various embodiments, a surgical stapling instrument can comprise a plurality of magnetic elements configured to articulate an end effector of the surgical instrument. The surgical instrument can comprise at least one electromagnet which can be selectively activated, or polarized, to generate a magnetic field sufficient to motivate a second magnetic element, such as a permanent magnet and/or an iron core, for example, mounted to the end effector. In certain embodiments, a surgical stapling instrument can comprise a plurality of magnetic elements configured to open and/or close an end effector of the surgical instrument. In at least one embodiment, a surgical stapling instrument can comprise a plurality of magnetic elements configured to advance and/or retract a firing bar, cutting member, and/or staple sled within the surgical instrument in order to incise and/or staple tissue positioned within an end effector of the surgical instrument.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: September 1, 2020
    Assignee: Ethicon LLC
    Inventors: Charles J. Scheib, Gary S. Jaworek, Steven G. Hall
  • Patent number: 10751049
    Abstract: A loading unit and retention band assembly including a shell and a retention band. The shell has a proximal end portion that defines an engagement window and that includes an annular surface. The retention band is disposed radially about the annular surface of the proximal end portion and includes a resilient body having first and second ends. The first end includes a resilient lock that is configured to extend through the engagement window of the proximal end portion of the shell. The resilient lock is dimensioned to releasably engage a surgical instrument.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: August 25, 2020
    Assignee: Covidien LP
    Inventors: Justin Williams, Paul D. Richard
  • Patent number: 10751055
    Abstract: A loading unit includes a shell assembly and a locking band. The shell assembly has a proximally extending annular body. The annular body defines two hook openings that oppose one another, a lug opening positioned between the hook openings, and a central passage for receiving a portion of a surgical instrument. The locking band has an arced body with two ends, a retention hook positioned adjacent each end of the body and extending from the inner surface of the body. Each of the retention hooks is disposed within a respective one of the hook opening to retain a respective one of the ends of the locking band to the annular body. The lug is disposable through the lug opening into the central passage to secure the loading unit to a surgical instrument.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: August 25, 2020
    Assignee: Covidien LP
    Inventors: Paul Scirica, Justin Williams, Patrick Mozdzierz, Christopher Penna
  • Patent number: 10751059
    Abstract: An apparatus includes a body, an end effector, a trocar, and an anvil. The anvil head includes an annular surface defining a plurality of staple forming pockets. The plurality of staple forming pockets are configured to deform the plurality of staples when the anvil is in the staple forming position. The shank extends proximally from the annular stapling head. The shank and the anvil head cooperatively define a bore dimensioned to receive a portion of the trocar. The shank defines a lateral opening. The latch member is pivotally coupled with the shank via a living hinge. The latch member comprises a latch shelf configured to selectively couple the anvil with trocar when the trocar is inserted into the bore.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: August 25, 2020
    Assignee: Ethicon LLC
    Inventors: William D. Fox, Gregory J. Bakos
  • Patent number: 10751847
    Abstract: A drive unit with a spindle drive and a spindle-drive drive motor, which comprises a rotor, is characterized in that a spindle of the spindle drive is arranged inside the rotor acting as a spindle nut and comprising a hollow shaft. As a result, a particularly compact construction for the drive unit can be realized, which can serve, in particular, as a linear drive of tool sleeve.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: August 25, 2020
    Assignee: EHRT Maschinenbau GmbH
    Inventor: Andreas Winters
  • Patent number: 10751076
    Abstract: A motor-driven surgical instrument that may comprise (i) a movable drive member that is driven in a first direction when the electric motor operates in a first direction and that is driven in a second direction when the electric motor operates in a second direction. Movement of the drive member causes movement of the movable component of the end effector, and (ii) a motor control circuit connected to the motor for controlling the motor. The motor control circuit may comprise a switching circuit that, upon actuation, reverses the direction of the motor from the first direction to the second direction. The switching circuit may be actuatable separately through each of: (i) actuation of a movable actuator of the switching circuit through movement of the drive member at least in the first direction; and (ii) manual actuation by a user of the surgical instrument.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: August 25, 2020
    Assignee: Ethicon LLC
    Inventors: Ryan J Laurent, Brett E. Swensgard, Bret W. Smith
  • Patent number: 10743880
    Abstract: A loading unit includes a shell assembly and a locking collar. The shell assembly has an annular ring that defines a locking slot and a proximal opening. The proximal opening configured to receive a distal end portion of the surgical instrument. The locking collar is rotatably disposed about the annular ring. The locking collar has a body including a flexible tab that has an inwardly extending lock. The locking collar is moveable about the annular ring between a locked and unlocked configuration. In the locked configuration, the lock passes through the locking slot and into the proximal opening of the annular ring. In the unlocked configuration, the body of the locking collar is rotated about the annular ring from the locked configuration to move the lock from within the proximal opening.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: August 18, 2020
    Assignee: Covidien LP
    Inventor: Anthony Sgroi