Rotary Cutter Patents (Class 606/180)
  • Patent number: 10383651
    Abstract: A differential dissecting instrument for differentially dissecting complex tissue comprising is disclosed. The differential dissecting instrument comprises a rotary drive train having a central, longitudinal axis, a distal end, and a proximal end. The differential dissecting instrument also comprises at least one differential dissecting bluntwheel, wherein the at least one differential dissecting bluntwheel is rotatably associated with the distal end of the rotary drive train, has at least one axis of rotation substantially transverse to the central, longitudinal axis of the rotary drive train, and is rotated by the rotary drive train. The bluntwheel may comprise projections that are configured to differentially dissect a complex tissue when the differential dissecting instrument is in operation.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: August 20, 2019
    Assignee: Physcient, Inc.
    Inventors: Charles A. Pell, Hugh C. Crenshaw
  • Patent number: 10363615
    Abstract: This document provides orthopedic and dental devices and methods for their use. For example, novel bone drills and dental drills are described. The bone and dental drills have at least some centers of mass that are offset from the drills' axis of rotation. Accordingly, the bone and dental drills may rotate and cut using a precessional pattern of motion. The design facilitates bone cutting, chip formation and hauling capacity, irrigation and bone harvesting. In some embodiments, the bone chips are collected in a removable apparatus fixed to the distal portion of the drill, and the collected bone chips can be used for bone grafting.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: July 30, 2019
    Inventor: Michael J. Scianamblo
  • Patent number: 10314633
    Abstract: A system for augmenting a bone structure. A shape memory device includes a deflectable distal segment including temperature-dependent memory metal material. The shape memory device is slidably received within a guide cannula. The deflectable distal segment may include a substantially longitudinally straightened form, such as when subjected to a force from the guide cannula. The deflectable distal segment forms a first deflected shape having a first bend away from said straight longitudinal axis at a first elevated temperature greater than an initial temperature, and forms a second deflected shape having a second bend away from said straight longitudinal axis at a second elevated temperature greater than said first elevated temperature. The shape memory device may create voids within the bone structure with the deflectable distal segment at the first and/or second bends. Methods for positioning a shape memory device within a bone structure are also disclosed.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: June 11, 2019
    Assignee: Stryker Corporation
    Inventors: Evan D. Linderman, John Ray
  • Patent number: 10278712
    Abstract: A surgical device comprising: a handle assembly; a locking collar; and a set of replaceable bits that load into the handle assembly; wherein the locking collar is fully removable from the handle assembly, loads axially to a first position, and rotates between the first position and a second position; wherein, in the first position, the locking collar is free to be removed from the handle assembly and the replaceable bits are free to be loaded or unloaded from the handle assembly; wherein, in the second position, the locking collar is prevented from axial movement relative to the handle assembly and the replaceable bits are prevented from being received within, or removed from, the handle assembly; and the locking collar is guided to the first position and between the first position and the second position by a groove in the handle assembly mating with a member carried by the locking collar.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: May 7, 2019
    Assignee: Gyrus ACMI, Inc.
    Inventors: Kevin C. Edwards, Jay A. Casey, Peter Y. Wong, Jesse Conrad
  • Patent number: 10271859
    Abstract: A method of preparing a region between adjacent bones for fusion. A first aperture is formed that extends through one of the bones. An undercutting system is inserted into the first aperture. The undercutting system includes an insertion apparatus and a cutting assembly. A first path is cut between the adjacent bones by extending or retracting the cutting assembly with respect to the insertion apparatus.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: April 30, 2019
    Assignee: RTI Surgical, Inc.
    Inventors: Robert Assell, Jeremy Carr, Eugene Dickhudt, Thomas Berg, Brian Beaubien
  • Patent number: 10173000
    Abstract: Systems for tissue removal, delivery and/or transplantation include a dispensing canister having a canister wall and a beveled or sloped canister bottom panel carried by the canister wall, a pump disposed in fluid communication with the dispensing canister and a vibrational injection apparatus disposed in fluid communication with the pump. Injection apparatuses are also disclosed.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: January 8, 2019
    Inventors: Daniel A. Del Vecchio, Simeon Wall, Jr.
  • Patent number: 10143481
    Abstract: A device for fracturing calcifications in heart valves includes a stabilizer assembly (20) for use with an impactor assembly (10). Relative motion between the impactor assembly (10) and the stabilizer assembly (20) with sufficient energy fractures a calcification located in tissue which is sandwiched between the stabilizer assembly (20) and the impactor assembly (10). The stabilizer assembly (20) includes a plurality of distal stabilizer struts (28) connected by stabilizer loops (30) which extend proximally backwards.
    Type: Grant
    Filed: January 5, 2014
    Date of Patent: December 4, 2018
    Assignee: Pi-Cardia Ltd.
    Inventor: Erez Golan
  • Patent number: 10092300
    Abstract: A surgical drilling instrument with a Curved Burr Attachment having an adapter removably coupled to a drill motor and a burr attachment coupled to said adapter. The burr attachment includes a tube with a wire shaft supported therein and a coil wire surrounding said wire shaft and having each of the coils touch the outer periphery surface of the wire shaft and the inner peripheral surface of said tube to enhance cooling of said outer periphery of said tube from the heat generated by said wire shaft and attenuate vibrations while allowing said burr attachment to be bent without kinking.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: October 9, 2018
    Assignee: DEPUY SYNTHES PRODUCTS, INC.
    Inventors: Eddy H. del Rio, Douglas A. Perry
  • Patent number: 9907559
    Abstract: A burr attachment designed for use with a curved burr attachment or other chuck attachments that includes a tube with a wire shaft supported therein and a coil spring surrounding said wire shaft and having each of the coils touch the outer periphery surface of the wire shaft and the inner peripheral surface of said tube to enhance cooling of said outer periphery of said tube from the heat generated by said wire shaft and attenuate vibrations while allowing said burr attachment to be bent without kinking.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: March 6, 2018
    Assignee: DePuy Synthes Products, Inc.
    Inventors: Eddy H. del Rio, Douglas A. Perry
  • Patent number: 9861375
    Abstract: An undercutting system for preparing a region between an ilium and a sacrum for sacroiliac fusion. The undercutting system includes an insertion apparatus and a cutting assembly. The cutting assembly is operably mounted with respect to the insertion apparatus. The cutting assembly has a distal end and a proximal end. The cutting assembly includes a plurality of cutting elements and a cutting element attachment mechanism. The cutting element attachment mechanism engages the cutting elements to operably mount the cutting elements with respect to the insertion apparatus. The cutting element attachment mechanism permits the cutting elements to pivot with respect to each other.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: January 9, 2018
    Assignee: Zyga Technology, Inc.
    Inventors: Robert Assell, Jeremy Carr, Eugene Dickhudt, Thomas Berg, Brian Beaubien
  • Patent number: 9687254
    Abstract: Instrument and method for removing material from an intervertebral disc. The instrument includes outer and inner tubular members. The outer tubular member defines a passage and a cutting window. The inner tubular member is coaxially disposed within the passage, and defines a central lumen and a cutting tip. The cutting tip forms an open mouth having a plurality of teeth. Upon assembly, the cutting tip is exposed within the cutting window combining to define a shaving head. A manual decorticating implement is coupled to the outer tubular member and defining a scraping surface. A powered handpiece is coupled to the inner tubular member, and the shaving head is inserted into an intervertebral disc and positioned such that the cutting tip contacts targeted material (e.g., nucleus, annulus and/or end plate). The handpiece is activated to rotate the cutting tip relative to the cutting window. Contacted material is sheared between an edge of the cutting window and the teeth of the cutting tip.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: June 27, 2017
    Assignee: Medtronic Xomed, Inc.
    Inventors: Louis M. Shadeck, Dana A. Oliver
  • Patent number: 9636130
    Abstract: A surgical instrument includes a cutting member with an implement for cutting tissue, and a drive coupled to the cutting member to simultaneously rotate and translate the cutting member in response to a force applied to the drive. A method of cutting tissue includes positioning an outer member such that tissue is located within the outer member, engaging the tissue with an inner member, and simultaneously rotating and translating the inner member to cut the tissue. A tangential cutting force is applied to the tissue with the inner member to mechanically cut the tissue. The inner member is mechanically driven to undergo simultaneous rotation and translation.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: May 2, 2017
    Assignee: COVIDIEN LP
    Inventors: Peter M. Cesarini, Karen Drucker, Rafal Jezierski, Roger R. Cassidy
  • Patent number: 9585675
    Abstract: A medical device includes an elongated sleeve having a longitudinal axis, a proximal end and a distal end. A cutting member extends distally from the distal end of the elongated sleeve, and has sharp cutting edges. The cutting head is formed from a wear-resistant ceramic material, and a motor coupled to the proximal end of elongated sleeve rotate the cutting member. The cutter is engaged against bone and rotated to cut bone tissue without leaving any foreign particles in the site.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: March 7, 2017
    Assignee: RELIGN Corporation
    Inventors: Aaron Germain, Kyle Klein, Michael D. Walker
  • Patent number: 9579092
    Abstract: According to a medical traction device containing a polymer molded article having biocompatibility as a weight for traction of a living tissue to be resected under observation with an endoscope, and a medical traction equipment containing the medical traction device and a grasping member connected to each other, such a medical traction device or traction equipment is provided that in ESD in a digestive tract, a dissected living tissue is efficiently removed from the operative field also in a direction that is different from the moving direction of the endoscope, thereby maintaining the field of view, and the procedures are thus performed safely and rapidly.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: February 28, 2017
    Inventors: Kazutoshi Kobayashi, Kunihiro Suto, Makoto Nishimura, Hiroto Kita
  • Patent number: 9572605
    Abstract: A surgical instrument includes a first member including an inner surface defining a passageway. The first member extends between a first end that defines a first opening and a second end that defines a second opening. A second member extends between a first end and a second end. A third member extends between a first end and a second end. The second end of the third member is releasably engageable with the first end of the second member within the passageway such that the first end of the first member prevents passage of the first end of the third member through the first opening and the second end of the first member prevents passage of the second end of the second member through the second opening. Systems and methods of use are disclosed.
    Type: Grant
    Filed: October 9, 2012
    Date of Patent: February 21, 2017
    Assignee: Warsaw Orthopedic, Inc.
    Inventor: Kenneth Shipp
  • Patent number: 9539015
    Abstract: A method for removing uroliths from the urinary bladder of a non-human, non-laboratory animal, comprising: (a) inserting a collapsed retrieval pouch through the urethra and into the bladder; (b) opening the retrieval pouch in the bladder; (c) identifying a urolith transrectally, and placing the urolith into the opened retrieval pouch by transrectal manipulation; (d) fragmenting the urolith while the urolith is in the opened retrieval pouch; (e) flushing the fragments of the urolith out of the pouch; and then (f) removing the retrieval pouch from the bladder.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: January 10, 2017
    Inventors: John Alvin Ismay, Travis Jay Ismay
  • Patent number: 9532815
    Abstract: A tool set for implanting a rod in a human spine in conjunction with bone screws includes a pair of end guide tools that receive opposite ends of the rod in channels and under manipulation by a surgeon facilitate transport of the rod toward the bone screws attached to the guide tools. Each end guide tool includes a laterally extending, rigid, rod holding structure located near a bottom surface thereof. For bone screw implantation, the end guide tools and intermediate guide tools are assembled with a driver. For reducing a rod into the bone screw, a rod pusher is deployed that is coaxial with a respective guide tool and includes an outer sleeve that abuts the rod as the sleeve is translated along the guide tool and toward the bone screw. A method utilizing the tool set allows a surgeon to percutaneously implant the bone screws and the rod in the patient.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: January 3, 2017
    Inventor: Roger P. Jackson
  • Patent number: 9522009
    Abstract: A device for forming a circular arc-shaped bore includes: a stiff circular arc-shaped tube having a central axis; a flexible shaft insertable into the tube; and a head mountable to a first end of the shaft.
    Type: Grant
    Filed: May 17, 2010
    Date of Patent: December 20, 2016
    Assignee: Biedermann Technologies GmbH & Co. KG
    Inventor: Kaj Klaue
  • Patent number: 9504454
    Abstract: The transoral repair of choanal atresia is a method for the surgical repair of choanal atresia that uses a transoral approach. The procedure includes the use of a curved drill, a curved shaver, curved grasping forceps, and a suction irrigator. After endotracheal intubation, a retractor is inserted to retract the tongue. A 120° angled telescope is inserted behind the soft palate into the nasopharynx to visualize the posterior choanae. A curved drill is used to drill the atretic plate from the vomer medially to the lateral pterygoid plate laterally. The drilled section of the atretic plate is removed to clear the obstruction.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: November 29, 2016
    Assignee: KING ABDULAZIZ UNIVERSITY
    Inventor: Talal Ahmed Al-Khatib
  • Patent number: 9498298
    Abstract: The present invention is a surgical ring form structure including a surgical ring where the surgical ring is a circular structure adapted to receive a surgical implement rigidly affixable with respect to the surgical patient and the surgical ring, an electrical circuit allowing the surgical implement to be electrically communicable with a remote controller, a surgical implement as an effector unit, an effector unit configurable to operate a laser, ultrasound device, lights, camera, and other imaging and monitoring devices capable of two-dimensional and three-dimensional capture, a circular rail respective to the surgical ring whereupon controlled motion of the surgical implement or effector unit is provided, remote display and interfacing capabilities with the surgical implements, remote controlling interfaces for controlled motion of the surgical implements with respect to the surgical ring and the patient, and an electrical circuit having contacts extending along the periphery of the surgical ring.
    Type: Grant
    Filed: April 23, 2010
    Date of Patent: November 22, 2016
    Inventors: Kenneth I. Lipow, Gary Zimmerman
  • Patent number: 9492151
    Abstract: A method of accessing target tissue adjacent to a spinal nerve of a patient includes the steps of accessing a spine location of the patient by entering the patient through the skin at an access location, inserting a flexible tissue modification device through the access location to the spine location, advancing a distal portion of the first flexible tissue modification device from the spine location to a first exit location, passing through the first exit location and out of the patient, advancing the first or a second flexible tissue modification device through the same access location to the spine location and to a second exit location, and passing through the second exit location and out of the patient.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: November 15, 2016
    Assignee: Amendia, Inc.
    Inventors: Jeffery L. Bleich, Michael Sheinberg, Michael P. Wallace
  • Patent number: 9492192
    Abstract: The devices and methods generally relate to treatment of occluded body lumens. In particular, the present devices and method relate to removal of the occluding material from the blood vessels as well as other body lumens.
    Type: Grant
    Filed: June 30, 2008
    Date of Patent: November 15, 2016
    Assignee: AtheroMed, Inc.
    Inventors: John T To, Christopher James Danek, Paul Quentin Escudero, Uriel Hiram Chee, August Christopher Pombo, Torrey Smith, Brenda Hann
  • Patent number: 9456814
    Abstract: An anchor assembly configured to locate and anchor body tissue surrounding an opening in the body tissue. The anchor assembly can include a plurality of anchor elements. Each anchor element can include an elongate portion and an anchor portion extending from the elongate portion. The elongate portion can be configured to be manipulated by a user. The anchor portion can have a contracted configuration capable of passing through the opening in the body tissue and can have an expanded configuration capable of anchoring the body tissue surrounding the opening. The anchor portion and the elongate portion can be integrally formed from a single wire.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: October 4, 2016
    Assignee: ABBOTT CARDIOVASCULAR SYSTEMS, INC.
    Inventors: Laveille Kao Voss, Kelly A. Pike, David A. Mackiewicz, Andrew Switky, Gina L. Romero, Jonathan I. Kaplan, Anthony P. Patron
  • Patent number: 9439665
    Abstract: A combination surgical device is provided and includes a dissection blade moveably mounted in a first jaw of the surgical device. The surgical device includes a second jaw movably mounted relative to the first jaw and a handle assembly. The handle assembly includes an advancement mechanism for incrementally advancing the blade out of the first jaw and a lever to open and close the first and second jaws. A lock member is provided to maintain the blade in an extended condition and a release lever is provided to disable the lock member. The surgical device additionally includes a safety or lock out mechanism which prevents the jaws from moving while the blade is in the extended condition.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: September 13, 2016
    Assignee: Covidien LP
    Inventors: Stanislaw Marczyk, Christopher Switalski, Russell Pribanic
  • Patent number: 9439720
    Abstract: A tissue resection device comprises inner and outer coaxial sleeves. The outer sleeve has a cutting window formed therein, and the inner sleeve has a distal cutting end that can be reciprocated past the cutting window. The sleeves comprise electrodes to provide electrosurgical cutting, and an edge portion of the window includes a dielectric material.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: September 13, 2016
    Assignee: IOGYN, INC.
    Inventors: Aaron Germain, Kyle Klein, Michael D. Walker, Benedek Orczy-Timko
  • Patent number: 9386837
    Abstract: A skin care device comprising a handle and swappable heads connected via a magnetic drive. Avoidance of a mechanical coupling between the handle and the head enhances safety. The magnetic power is converted to electrical power to operate the LEDs and anything else needing electrical power as well as mechanical forces releasing therapeutic cream upon the consumer's skin. The device may further apply RF to the skin for complementary treatment. Using the magnetic drives allows the transfer of power without using serrated gears and because there are no electrical connectors allows using swappable heads on the same handle in humid or wet conditions. The handle is charged inductively.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: July 12, 2016
    Assignee: SYNOIA TECHNOLOGIES LTD.
    Inventors: Ziv Geva, Ofer Leizerovich, Ayelet Mofar
  • Patent number: 9339345
    Abstract: A cutting apparatus for joint cutting system using robot includes a shaft combined with a motor in a part of a robot arm, a cutter having a cutting head at the end of the shaft, a sleeve in which the shaft is inserted, and a cutter support member having a sleeve base where the sleeve is fixed, characterized in that the sleeve is a standalone member of a hollow bar with a center hole and is separable from and combinable with the sleeve base. The sleeve and the sleeve base are so separable that it is possible to reinforce the strength of the sleeve, which retrains the bending force to the sleeve, though the diameter of the sleeve is minimized.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: May 17, 2016
    Assignee: CUREXO, INC.
    Inventors: Chang Hun Song, YoungBae Park, ChangHun Lee, DongHyun Son
  • Patent number: 9186177
    Abstract: A surgical device is described. The surgical device may comprise a rotatable cutter configured to cut tissue for insertion of a cannula, and a first driver configured to be driven by a motor arrangement and to rotate the cutter. The surgical device may further include, for example, the cannula, at least one of the rotatable cutter and the first driver being disposed in a bore of the cannula. In one embodiment, the rotatable cutter may include an auger having a cutting thread. In another embodiment, the rotatable cutter may include a disk-shaped blade.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: November 17, 2015
    Assignee: Covidien LP
    Inventors: Michael P. Whitman, John E. Burbank, Jeremy Hill, Thomas Guy
  • Patent number: 9179924
    Abstract: Driving apparatuses for surgical instruments are provided. Such apparatuses are capable of reuse without having to be sterilized in an autoclave. This reduces time as well as costs associated with surgical interventions in the areas of orthopaedic surgery and surgery related to trauma, for example.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: November 10, 2015
    Inventor: Michele Giuseppe Renato Marzella
  • Patent number: 9155454
    Abstract: A hysteroscopy system includes a scope having an internal channel, a sheath removably coupled to the scope, and an outflow channel. The sheath has a distal flange extending internally towards an outer surface of the scope. The outflow channel is formed between an inner surface of the sheath and an outer surface of the scope. The distal flange forms a distal end of the outflow channel and is generally located between the scope and the sheath.
    Type: Grant
    Filed: September 28, 2010
    Date of Patent: October 13, 2015
    Assignee: Smith & Nephew, Inc.
    Inventors: Mira Sahney, Cemal Shener-Irmakoglu
  • Patent number: 9118057
    Abstract: An article comprising: (i) a handheld device including (a) a housing, (b) a powered element within the housing: (ii) a battery pack, wherein the handheld device is connected by an external cable to a functional system, wherein the battery pack is attached to the external cable, and wherein the battery pack supplies power to the powered element.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: August 25, 2015
    Assignee: GYRUS ACMI, INC.
    Inventors: Michael J. Bennett, Phillip A. Ryan, Paul E. Yarbrough
  • Patent number: 9113942
    Abstract: A surgical tool for use through laproscopic ports having improved haptic and tactile feedback.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: August 25, 2015
    Assignee: Hospital for Special Surgery
    Inventor: William E. Rodriguez
  • Patent number: 9101432
    Abstract: A system is provided for inserting and securing, through a suprapatellar region of a leg, a nail into a medullary canal of a bone. The system can include a flexible sleeve configured to be partially inserted in the leg. The flexible sleeve can define a leading end and a trailing end spaced apart from the leading end along a first axis. The flexible sleeve can define a first cannulation that extends along the first axis between the leading and trailing ends. The first cannulation can be sized to receive therethrough at least the intramedullary nail. The system can further include a retaining member configured support at least a portion of the flexible sleeve. The retaining member can be configured to position the flexible sleeve through the suprapatellar region of the leg such that the flexible sleeve leading end is aligned with the proximal end of the bone. The intramedullary nail can be insertable through the flexible sleeve and into the medullary canal.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: August 11, 2015
    Assignee: DePuy Synthes Products, Inc.
    Inventors: Robert Limouze, Sean Powell
  • Patent number: 9095354
    Abstract: A medical instrument serves for cutting off tissue and cartilage from a body. It comprises an outer shaft having at least a first window in a distal end area thereof. A hollow inner shaft is received within the outer shaft and can be rotated about a longitudinal axis of the outer shaft. The hollow inner shaft has at least one opening cooperating with the at least one window of the outer shaft in a cutting action when turning the inner hollow shaft. A further window is provided in the distal end area of the outer shaft which further window is surrounded by a curette having a separating edge. Tissue and cartilage separated by the curette can be cut into small pieces by the cutting edges of the rotatable inner shaft and then be sucked in through an opening of the inner hollow shaft.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: August 4, 2015
    Assignee: KARL STORZ GMBH & CO. KG
    Inventors: Matthias Steinwachs, Sascha Berberich
  • Patent number: 9055971
    Abstract: A surgical device is described. The surgical device may comprise a rotatable cutter configured to cut tissue for insertion of a cannula, and a first driver configured to be driven by a motor arrangement and to rotate the cutter. The surgical device may further include, for example, the cannula, at least one of the rotatable cutter and the first driver being disposed in a bore of the cannula. In one embodiment, the rotatable cutter may include an auger having a cutting thread. In another embodiment, the rotatable cutter may include a disk-shaped blade.
    Type: Grant
    Filed: February 22, 2011
    Date of Patent: June 16, 2015
    Assignee: Covidien LP
    Inventors: Michael P. Whitman, John P. Burbank, Jeremy Hill, Thomas Guy
  • Patent number: 9028520
    Abstract: Systems and methods for separating an object such as a pacing lead from a patient tissue involve a flexible and torqueable shaft having an internal lumen sized to receive the object, and a hard separating mechanism for separating the object from the tissue. Typically the shaft and separating mechanism are advanced along or toward the object, and the separating mechanism is contacted with the tissue. The shaft is rotated to effect separation between the object and the tissue. The systems and methods are well suited for use in cardiac pacing or defibrillator lead explant procedures.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: May 12, 2015
    Assignee: The Spectranetics Corporation
    Inventors: Kevin D. Taylor, Chris Reiser, Sean Coe, Kenneth D. Harlan, Charles Kennergren
  • Patent number: 9028519
    Abstract: A surgical cutting and fastening instrument that is motorized. The instrument comprises in one embodiment a charge accumulator device, separate from a battery, that provides additional power to the motor under certain conditions. In addition, the motor may comprise multiple windings.
    Type: Grant
    Filed: February 7, 2011
    Date of Patent: May 12, 2015
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: David C. Yates, Thomas W. Huitema, Frederick E. Shelton, IV, Brett E. Swensgard
  • Publication number: 20150105812
    Abstract: A tool for removing debris from sockets containing screws of electrical conductors of medical pacemakers, to allow engagement of screw heads for unthreading. The tool includes a body, with a screw driving blade projecting from one end and a cutting blade of diameter similar to that of the screw driving blade projecting from an opposed end. Optionally, the body encloses torque limiting components limiting torque applied to the screw driving blade. The screw driving blade may be polygonal. The cutting blade may be a fluted drill bit. Where the torque limiting components are not provided, the body may bear external splines, with the screw driving blade and cutting blade being monolithic with the body.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Inventor: Brian James Cutler
  • Patent number: 9005230
    Abstract: A surgical cutting and fastening instrument that is motorized. The instrument comprises in one embodiment a charge accumulator device, separate from a battery, that provides additional power to the motor under certain conditions. In addition, the motor may comprise multiple windings.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: April 14, 2015
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: David C. Yates, Thomas W. Huitema, Frederick E. Shelton, IV
  • Publication number: 20150088184
    Abstract: A surgical tool with an electric motor. The motor rotor includes a bore in which a number of magnets are disposed. Each magnet has an outer surface and two inner surfaces that extend inwardly towards a corner. One pole of each magnet is along the outer surface; the opposed pole is at the corner. The magnets are disposed in the rotor bore so that the corners of arcuately adjacent magnets have opposed magnetic polarities.
    Type: Application
    Filed: November 12, 2013
    Publication date: March 26, 2015
    Applicant: Stryker Corporation
    Inventor: Daniel L. McCombs
  • Patent number: 8986334
    Abstract: A tissue removal device is disclosed. In one arrangement, the tissue removal device includes a cutting member operatively connected to an actuator assembly and a fixed member. The cutting member is configured to slide with respect to the fixed member in a reciprocating manner. The fixed member includes an upwardly extending foot plate that defines a contact surface that is configured with an uneven texture that serves as a grip to operatively retain material to be cut when the cutting member is moved toward the foot plate.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: March 24, 2015
    Assignee: Nico Corporation
    Inventors: Joseph L. Mark, Brian C. Dougherty
  • Publication number: 20150080928
    Abstract: Devices and methods for the treatment of chronic total occlusions are provided. One disclosed embodiment comprises a method of facilitating treatment via a vascular wall defining a vascular lumen containing an occlusion therein. The method includes inserting an intramural crossing device into the vascular lumen, positioning at least the distal tip of the crossing device in the vascular wall, advancing an orienting device over the crossing device such that an orienting element of the orienting device resides in the vascular wall, inserting a reentry device, and re-entering the true vascular lumen.
    Type: Application
    Filed: November 25, 2014
    Publication date: March 19, 2015
    Inventors: Chad J. Kugler, Robert E. Atkinson, Matthew J. Olson
  • Publication number: 20150080795
    Abstract: The present invention is directed in various methods, devices and systems relating to providing a balloon on a sheath in combination with orbital atherectomy in order reduce the number of steps in the procedure. In certain embodiments, the balloon comprises adjunctive low pressure balloon for prevention of vessel trauma during dilatation.
    Type: Application
    Filed: July 24, 2014
    Publication date: March 19, 2015
    Inventors: Richard C. Mattison, Robert E. Kohler, Victor L. Schoenle
  • Patent number: 8968346
    Abstract: The present invention relates generally to the field of micro-scale or millimeter scale devices and to the use of multi-layer multi-material electrochemical fabrication methods for producing such devices with particular embodiments relate to shredding devices and more particularly to shredding devices for use in medical applications. In some embodiments, tissue removal devices are used in procedures to removal spinal tissue and in other embodiments, similar devices are used to remove thrombus from blood vessel.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: March 3, 2015
    Assignee: Microfabrica Inc.
    Inventors: Michael S. Lockard, Uri Frodis, Adam L. Cohen, Richard T. Chen
  • Patent number: 8968298
    Abstract: An electrosurgical instrument is provided. The electrosurgical instrument includes a housing. An outer shaft extends from the housing. The outer shaft includes a bifurcated distal end having a pair of first spaced-apart members with an elongated slot extending therebetween. The pair of first spaced-apart members configured to receive tissue therebetween. An inner shaft is disposed within the outer shaft and includes a bifurcated distal end having a pair of second spaced-apart members with an elongated slot extending therebetween. The pair of second spaced-apart members is configured to receive tissue therebetween. Each of the pairs of the first and second spaced apart members includes one or more electrodes thereon. The inner shaft is rotatable from an initial configuration for positioning tissue between the pairs of first and second spaced-apart members to a subsequent configuration for compressing the tissue disposed between the pairs of first and second spaced-apart members.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: March 3, 2015
    Assignee: Covidien LP
    Inventor: John R. Twomey
  • Patent number: 8961551
    Abstract: A method for detaching an object from a patient includes providing a tool having a sheath, and a separating assembly operably coupled to a distal end of the sheath. The separating assembly includes a separator moveably coupled to a tip via a threadable connection. The separating assembly is placed near patient tissue that is attached to the object, the sheath is rotated to move the separator distal to the tip, and the separator is applied to the patient tissue that is attached to the object, so as to separate the tissue. A separating system includes a sheath, and a separator threadably coupled with a distal end of the sheath. The separator is adapted to switch between a first configuration where a separating means is deployed, and a second configuration where the separating means is undeployed.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: February 24, 2015
    Assignee: The Spectranetics Corporation
    Inventor: Kevin D. Taylor
  • Patent number: 8951274
    Abstract: Disclosed are methods and devices for removing tissue from a site in a hollow organ, where the device has a low crossing profile and is capable of removing tissue at a high rate of speed. The device includes an elongate outer tube with a side opening and an inner tube moveably coaxially positioned within the outer tube. Tissue drawn into the side opening can be severed by moving the inner tube across the opening. Tissue may be removed through the device at a rate of at least about 1.4 cc per minute, through a lumen having a cross-sectional area of no greater than about 12.02 mm. Cutting may be accomplished by rotating the inner tube at a speed of at least about 4000 rpm, and axially reciprocating the inner tube at a rate of at least about 1.5 cycles per second. The window may have a rho value of no more than about 1, and the outside diameter of the device may be no more than about 3 mm.
    Type: Grant
    Filed: April 29, 2009
    Date of Patent: February 10, 2015
    Assignee: Hologic, Inc.
    Inventors: Ronald David Adams, Albert Chun-Chi Chin, Roy Hewitt Sullivan, Eric Karl Litscher, William Lucas Churchill, William Harwick Gruber
  • Patent number: 8945166
    Abstract: A surgical tool includes a rocker assembly configured to cause rotation of a surgical blade to form an incision. The rocker assembly includes a gear. The surgical tool also includes a ratchet configured to rotate in a first direction and a second direction. The surgical tool further includes a linkage arm connecting the rocker assembly and the ratchet so that rotation of the ratchet causes rotation of the rocker assembly. In addition, the surgical tool includes a spring configured to be extended by the ratchet when the ratchet is rotated in the first direction. The spring is also configured to retract and cause the ratchet to rotate in the second direction.
    Type: Grant
    Filed: November 1, 2013
    Date of Patent: February 3, 2015
    Assignee: Refocus Group, Inc.
    Inventors: David G. Ozinga, Karl H. Beitzel
  • Patent number: 8945165
    Abstract: The present disclosure relates to a drive shaft for a surgical handpiece including a first prong and a second prong, wherein the first prong and the second prong are asymmetric. A surgical handpiece and a method of coupling a surgical handpiece and a cutting tool are also disclosed.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: February 3, 2015
    Assignee: Smith & Nephew, Inc.
    Inventors: Rafal Z. Jezierski, Peter M. Cesarini
  • Publication number: 20150025559
    Abstract: A surgical bur includes a body and a drill point. The body includes flutes and lands. Each of the flutes includes a cutting edge, a rake face, and a clearance surface. Each of the lands is convex-shaped and disposed between a pair of the flutes. The drill point includes axial relief surfaces. Each of the axial relief surfaces has a planar area, is distinct from the lands and borders (i) a distal portion of one of the cutting edges, (ii) one of the lands, and (iii) one of the clearance surfaces.
    Type: Application
    Filed: July 17, 2013
    Publication date: January 22, 2015
    Inventors: John W. KULAS, Donald E. Stearns