Patents Examined by Daphna Shai
  • Patent number: 6214011
    Abstract: Improved bone cutting guides enable a surgeon to better gauge required resection characteristics. In one embodiment at least a portion of the guide is transparent, thereby enabling the user to optimize cut estimates and to visualize the resection as it is being performed. In another embodiment, at least a portion of the outer surface of the body is shaped to interact with another bone or prosthetic element associated with a joint, thereby enabling the device to function both as a trial and as a cutting guide. In this embodiment as well the guide may be at least partially transparent to improve visualization. Although primarily intended for use in femoral-side knee arthroplasty, the invention is applicable to any procedure which might benefit from improved bone-cutting accuracy.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: April 10, 2001
    Assignee: MedIdea, LLC
    Inventor: Michael A. Masini
  • Patent number: 6139548
    Abstract: A compression locking variable length cross-link device having a pair of rod hooking elements, each having rod securing and coupling ends. The coupling ends are slidably engaging by the insertion of one into the receiving socket of the other and for selective locking to one another independent of the relative separation of the rod securing ends. Each hooking element has a curvate end formed from flat material which has been shaped into a hook conformation to cup the lateral outside surface of a corresponding rod. A set screw positioned through a hole in the top of the curved end locks the curvate end to the rod. In a first embodiment, one (a first) rod hooking element has a uniform cylindrical portion which may also include a knurled surface. The corresponding (second) element has a tubular portion including an axial receiving volume having an opening into which the cylindrical portion of the first element may be slidably inserted.
    Type: Grant
    Filed: April 13, 1998
    Date of Patent: October 31, 2000
    Assignee: Spinal Concepts, Inc.
    Inventor: Joseph P. Errico
  • Patent number: 6117137
    Abstract: The present invention relates to an osteosynthesis device with a bone screw and a correction rod, in which the correction rod is placed in a bifurcated head of the bone screw and axially fixed. To that end, the bifurcated head has structure that prevent the longitudinal displacement of the correction rod.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: September 12, 2000
    Assignee: SCHAFER micomed GmbH
    Inventors: Henry Halm, Bernd Schafer
  • Patent number: 6117149
    Abstract: A system and method for reducing and removing and ophthalmic lens of a mammalian eye. The system includes a rotary lens-reducing probe device of either straight or curved configuration, the probe device comprising a tubular outer sheath through which a rotatable drive shaft extends. A rotating lens-reducing head member is positioned on the distal end of the drive shaft. The head member is configured and constructed to draw a flow of fluid and lens matter into contact therewith, thereby facilitating complete reduction of the entire lens without requiring significant axial (i.e., longitudinal) movement of the probe within the lens capsule. The distal portion of the tubular sheath is preferably configured to shield a portion of the lens-reducing head, during operation, to avoid inadvertent damage to lens capsule. Also, the distal portion of the sheath may be aimed or positioned to direct the flow of fluid and lens matter created by the rotating head in a preferred flow path within the lens capsule.
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: September 12, 2000
    Assignee: Optex Ophthalmologics, Inc.
    Inventors: John T. Sorensen, Michael Mittelstein, Soheila Mirhashemi
  • Patent number: 6117125
    Abstract: A method for predetermining the controlled and uniform discharge rate of a fluid from a single lumen tubular body having passageways radially extending through the wall of the tubular body has been developed and is described. The method involves predetermining such parameters as the transverse cross-sectional areas of the passageways extending through the wall of the tubular body, the spacing of the passageways, the pressure at each of the passageways, and the rate of flow at each of the passageways. One specific preferred application of such a tubular body is an infusion catheter for delivering various fluids to designated areas of the body for either a therapeutic treatment and/or diagnostic purposes. For example, such a catheter may be adapted to deliver controlled and uniform quantities of thrombolytic agents, chemotherapeutic agents as well as such diagnostic agents as fluorescent dyes and radioactive agents.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: September 12, 2000
    Assignee: Cook Incorporated
    Inventors: Leo Rothbarth, Frank J. Miller, Joseph F. Ely, David St. John
  • Patent number: 6113609
    Abstract: A system including an implantable fastener for fastening layers of tissue is disclosed. In one embodiment, the fastener includes a proximal anchor member and a distal anchor member each being movable from a reduced profile position to a deployed position. The anchor members are mesh structures capable of moving to the deployed position by reducing the axial spacing between opposite ends of the anchor members.Methods of treating gastroesophageal reflux disease (GERD) are also disclosed. One of the methods includes placing the distal anchor member through a hole formed in the wall of the esophagus and through a hole formed in the gastric wall. The distal anchor member and the proximal anchor member are then placed in their deployed positions to fasten the wall of the esophagus and the gastric wall together between the anchor members.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: September 5, 2000
    Assignee: Scimed Life Systems, Inc.
    Inventor: Ronald Adams
  • Patent number: 6106535
    Abstract: A ring blade and drive system, and method of using same, for harvesting bone-tendon-bone ligament grafts having substantially cylindrical bone plugs. The ring blade disclosed is a circular ring having a predetermined arcuate gap formed in its periphery. The drive system includes a blade holder to peripherally hold the ring blade and a fixed-center oscillating mechanism to oscillate the ring blade about its axis within a predetermined arcuate range of motion. The ring blade structure enables the production of a substantially cylindrical bone plug of unlimited length. Harvesting of a bone-tendon-bone ligament graft is facilitated with the ring blade and method disclosed which enables the ring blade to be placed partially around a tendon segment to create bone plugs aligned with the tendon fibers included in the defined tendon segment. The cuts into the bone may be initiated into the bone at either end of the tendon segment from the tendon side through to the exterior of the bone to which the tendon is attached.
    Type: Grant
    Filed: May 16, 1997
    Date of Patent: August 22, 2000
    Assignee: Linvatec Corporation
    Inventors: Brian David Dross, William Palleva, Terry Van Blaricom
  • Patent number: 6102929
    Abstract: A prostatic tissue expander and method for treating benign prostatic hypertrophy comprising a flexible catheter having a distensible tissue expansion balloon, an inflatable Foley balloon at the distal end, a urine lumen, balloon inflation lumens and valves at the ends of the balloon inflation lumens for maintaining balloon inflation.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: August 15, 2000
    Assignee: Mentor Urology, Inc.
    Inventors: Christopher J. Conway, Terence M. Fogarty
  • Patent number: 6099537
    Abstract: A medical treatment instrument is provided with a treatment section for treating issue, an insertion section which has at one end the treatment section, and an operating section which is provided at the other end of the insertion section, operates the treatment section, and has a fixed portion and a movable portion. The treatment section is actuated by pivoting the movable portion with respect to the fixed portion. The medical treatment instrument is further provided with an actuating main body and a cover. The cover is displaceable between a first position in which the medical treatment instrument is used and a second position in which the inside of the operating section is uncovered.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: August 8, 2000
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Toshiya Sugai, Hiroyuki Nagamizu, Minoru Tsuruta, Yoshihito Shimizu, Toshihiko Suzuta, Norikiyo Shibata, Shinichi Nishigaki, Naoki Uchiyama, Yoshinao Oaki
  • Patent number: 6099547
    Abstract: The invention provides a driver and methods for advancing needles, cannulas, and other medical devices through the pubic bone. The driver may be used in connection with a driver frame assembly for proper positioning and stabilization of the driver, and with other devices for creating a cavity in the urethral floor and for positioning medical devices therein. The invention also provides simple connections for attaching a suture to a device within the cavity in the urethral floor or in the vagina, and also for attaching sutures to the pubic bone.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: August 8, 2000
    Assignee: SCIMED Life Systems, Inc.
    Inventors: Barry N. Gellman, David Sauvageau, Rodney Brenneman, Armand A. Morin, William Pintauro, Rodney Appell
  • Patent number: 6090125
    Abstract: This invention is an occlusive device for inserting into body cavities or vesicles. More particularly, it is a vasoocclusive device which, as used, is in the approximate shape of an anatomical cavity. It may be ultimately deployed as a substantially spherical shape in the operable configuration. The device is a self-forming shape made from a pre-formed occlusive strand of flexible material. The occlusive strand may be helically coiled or braided and may be adapted with various polymeric fibers. The device is typically introduced through a catheter in the substantially linear inoperable configuration. The invention provides a plurality of such substantially spherical strand portions which nest concentrically with each other in the operable configuration. The invention also includes methods of producing and using the substantially spherical occlusive devices.
    Type: Grant
    Filed: June 2, 1998
    Date of Patent: July 18, 2000
    Assignee: MUSC Foundation for Research Development
    Inventor: Joseph A. Horton
  • Patent number: 6090127
    Abstract: A medical device comprising a catheter and a balloon-expandable stent having a small initial diameter, flexibility along its longitudinal axis prior to expansion, a large expanded diameter, and rigidity after expansion. Local strain on the stent material is minimized, as and after the balloon is inflated. More particularly, the sent has rotation joints having minimal strain during stent expansion. The stent is substantially the same length before and after expansion and, being flexible longitudinally when constrained, is easy to deliver.
    Type: Grant
    Filed: October 2, 1997
    Date of Patent: July 18, 2000
    Assignee: Medtronic, Inc.
    Inventor: Oren Globerman
  • Patent number: 6086608
    Abstract: A suture securing device includes an outer member with a suture receiving passage and an inner member configured for progressive insertion within the suture receiving passage and engagement with the outer member in any one of a plurality of locked positions to secure a suture between the inner member and the outer member. The suture receiving passage includes a threaded portion and the inner member includes a ridge for progressive engagement with threads of the threaded portion. A suture securing cartridge includes a sleeve having an axial bore with the outer member disposed in the bore at a distal end of the sleeve, the inner member disposed in the bore proximally of the outer member, and a carrier which engages the inner member to align the inner member with the suture receiving passage.
    Type: Grant
    Filed: January 14, 1997
    Date of Patent: July 11, 2000
    Assignee: Smith & Nephew, Inc.
    Inventors: Steven W. Ek, Kenneth K. Thompson, Randall D. Ross, Jose Lizardi
  • Patent number: 6086593
    Abstract: The relationship between first and second portions of a bone in a patient's body is changed by moving a wedge member into a slot formed in the bone. Force is applied against hard cortical bone by the wedge member. This force pivots the first portion of the bone relative to the second portion of the bone about an axis extending through bone interconnecting the first and second portions of the bone. As the wedge member moves into the bone, a side surface of the wedge member is moved into alignment with an outer side surface of the bone. The wedge member is fixedly connected with the bone. The wedge member is rigid so that the bone can immediately be load bearing. One or more openings may be provided in the wedge member to enable bone to grow through the wedge member. The wedge member may contain a material which promotes growth of bone through the wedge member.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: July 11, 2000
    Inventor: Peter M. Bonutti
  • Patent number: 6080181
    Abstract: The invention is directed to a system and method for releasably holding a surgical instrument (14), such as an endoscopic instrument configured for delivery through a small percutaneous penetration in a patient. The instrument comprises an elongate shaft (100) with a pair of mounting pins (116) laterally extending from the shaft between its proximal and distal ends. An instrument holder comprises a support having a central bore (202) and an axially extending slot (204) for receiving the instrument shaft and the mounting pins. A pair of locking slots (206) are cut into the support transversely to and in communication with the axial slot so that the mounting pins can be rotated within the locking slots. The instrument support further includes a latch assembly for automatically locking the mounting pins within the locking slots to releasably couple the instrument to the instrument holder.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: June 27, 2000
    Assignee: SRI International
    Inventors: Joel F. Jensen, John W. Hill
  • Patent number: 6080153
    Abstract: An articulation element for the relative positioning of fixation bars or bone pins of an external fixator includes a plurality of pairs of jaws. The jaws have on their adjacent faces grooves which form a passage intended to receive a bar or a pin. A spring is interposed between the pairs of jaws. The grooves which form the passage are positioned and arranged so as to have an external opening allowing the bar or bone pin to be snapped in by pressure on it, from the opening of the jaw into the passage, against the spring force which presses the adjacent faces of the haws against one another. This force holds the articulation element on the bars or pins before locking of the articulation by means of a clamping shaft.
    Type: Grant
    Filed: May 18, 1998
    Date of Patent: June 27, 2000
    Assignee: Howmedica International
    Inventors: Jacques Mata, Marcel Nyfeler, Denis Worek
  • Patent number: 6077275
    Abstract: The present invention is directed to a plug for insertion into a distal end of a ligating unit including an aspiration cylinder coupled to a distal end of an endoscope. The plug comprises a mounting portion sized to fit within an opening formed in a distal end of the aspiration cylinder and a protruding portion extending away from the mounting portion to project distally from the aspiration cylinder when the insertion plug is mounted in the aspiration cylinder.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: June 20, 2000
    Assignee: Boston Scientific Corporation
    Inventor: Gayjoy M. Bryars
  • Patent number: 6077287
    Abstract: A disposable surgical instrument (10) includes a flexible actuator cable (180) which transmits force to a movable part (34) to effect pivotal movement of the movable part. The flexible actuator cable (180) is made from cold-worked nickel--titanium wire.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: June 20, 2000
    Assignee: Endius Incorporated
    Inventors: Timothy E. Taylor, Christopher Zirps
  • Patent number: 6077277
    Abstract: Devices for welding suture segments in lieu of tying knots in sutures applied during endoscopic surgery.
    Type: Grant
    Filed: April 5, 1999
    Date of Patent: June 20, 2000
    Assignee: Starion Instruments, Inc.
    Inventors: Kenneth H. Mollenauer, Theodore Kucklick
  • Patent number: 6077269
    Abstract: Improved bone cutting guides enable a surgeon to better gauge required resection characteristics. In one embodiment at least a portion of the guide is transparent, thereby enabling the user to optimize cut estimates and to visualize the resection as it is being performed. In another embodiment, at least a portion of the outer surface of the body is shaped to interact with another bone or prosthetic element associated with a joint, thereby enabling the device to function both as a trial and as a cutting guide. In this embodiment as well the guide may be at least partially transparent to improve visualization. Although primarily intended for use in femoral-side knee arthroplasty, the invention is applicable to any procedure which might benefit from improved bone-cutting accuracy.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: June 20, 2000
    Assignee: MedIdea, LLC
    Inventor: Michael A. Masini