Patents Examined by C. W. Shedd
  • Patent number: 4638790
    Abstract: A male contraceptive hood which is adhesively secured to the penis, the hood being initially rolled up and the interior of the hood being free of adhesive until it is unrolled. The hood has a thin sheath which serves as the contraceptive device and an outer cylindrical member which is initially rolled together with the thin sheath. The outer cylindrical member has an adhesive on a portion of its outer surface, separated from the outer surface by a release agent, the adhesive being transferred to the inner surface of the sheath as the hood is unrolled onto a penis. The outer member can then be removed leaving only the thin inner sheath on the penis. A projecting portion is provided on the outer member for grasping the outer member to remove it.In a preferred form, a lubricant is disposed between the sheath and the inner surface of the outer cylindrical member. This lubricant remains on the outer surface of the sheath to facilitate removal of the outer member and also to aid in intercourse.
    Type: Grant
    Filed: March 25, 1985
    Date of Patent: January 27, 1987
    Assignee: Mentor Corporation
    Inventors: Anthony J. Conway, Peter R. Conway, Philip J. Conway
  • Patent number: 4637813
    Abstract: The monitor and fluid circuit assembly is used with a blood processing apparatus which is adapted for separating platelets from whole blood. The assembly is easily and simply attached to the apparatus and includes a holder, a plurality of flexible tubings held in and extending through the holder, monitor devices fixed within the holder and series coupled to various ones of the tubings and at least one tubing having a transparent wall section which is positioned adjacent an optical sensor of the apparatus. Several tubings extend in loops from the holder and are adapted for being received over and forming part of peristaltic pumps of the apparatus so that fluid can be pumped through the tubings. Other portions of some of the tubings extending from the holder are held in an umbilicus which is received through a rotatable holder in a centrifuge device of the apparatus.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: January 20, 1987
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventor: James H. DeVries
  • Patent number: 4633862
    Abstract: Disclosed herein are a method and instruments for the installation of a patellar button prosthesis. The first instrument consists of a saw guide including gauges integrally attached thereto which aid the surgeon in determining whether the patella has been grasped at the correct location with respect to the anterior and posterior sides thereof, which determine for the surgeon whether adequate bone stock will remain after resection of the patella, and which are chosen to correspond with the particular thickness of the patellar button which is to be installed. The second instrument consists of a drill guide including structure enabling its attachment to one of the jaws of the saw guide so that the saw guide may be retained in position about the patella after resection.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: January 6, 1987
    Inventor: Thomas D. Petersen
  • Patent number: 4632101
    Abstract: An orthopedic implant device is provided for bringing portions of a fractured bone into proper alignment and abutment. The device is an elongate generally cylindrical unit surgically implanted within living bone with a fractured portion and includes a plurality of pivotally mounted struts which are deployed within the cancellous material of the bone distant from said fractured portion thereof. The struts are pivotally deployed radially outwardly until anchoring contact with the interior surface of the surrounding cortex of the distant portion of the fractured bone is established. The components of the device maintain a force urging the portions of the bone defining the fracture toward each other. When the device is to be removed from the bone, the struts can be collapsed so that the device can be withdrawn.
    Type: Grant
    Filed: January 31, 1985
    Date of Patent: December 30, 1986
    Inventor: Yosef Freedland
  • Patent number: 4632102
    Abstract: A wedge guide of specific angular dimensions allows the excision of a precise bone wedge by the alternate use of a crescentic and planar saw in a stable and accurate manner.
    Type: Grant
    Filed: November 1, 1984
    Date of Patent: December 30, 1986
    Inventor: John E. Comparetto
  • Patent number: 4632100
    Abstract: A cylindrical suture anchor having a drill formed on one end thereof and flights of threads formed on the other whereto at least one section of suture is permanently secured, the anchor to be turned through a driver maintained and turned by a separate drilling device operated by an orthopedic surgeon. In practice, the surge on positions the suture anchor drill end on a point on a bone mass in a human body and, by turning the driver, turns the suture anchor to drill into the bone mass, until a first thread flight engages the drilled hole wall and is turned therein, tapping that hole, to receive each following thread flight, until the anchor is seated therein, during which seating the driver is telescoped out of a splined coupling to the anchor and a suture secured in a longtudinal opening in the anchor that is folded into the driver is pulled from that driver for use by the orthopedic surgeon in securing a ligament to that point on the bone mass.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: December 30, 1986
    Assignee: Marlowe E. Goble
    Inventors: W. Karl Somers, Marlowe E. Goble
  • Patent number: 4628919
    Abstract: A dynamic external fixator is disclosed which is designed to be applied externally along side the wrist by way of elongated bone fixation pins. The fixator includes two elongated legs connected by a universal joint. The proximal leg includes a series of holes for receipt of the bone fixation pins and associated threaded retainers to retain the bone fixation pins in the desired orientations. The distal leg includes a pistoning device which allows adjustability of the length thereof and further includes at least one set screw which reciprocates in a slot formed in the leg to enable the adjustment of the extension of the pistoning device thereof. The distal leg further includes a series of holes which receive the elongated bone fixation pins and further includes threaded members usable to maintain the bone fixation pins in a desired orientation.
    Type: Grant
    Filed: September 9, 1983
    Date of Patent: December 16, 1986
    Inventor: Terry A. Clyburn
  • Patent number: 4628922
    Abstract: A fracture reduction apparatus comprises a first holder for holding first set of bone fixation pins, and a second holder for holding a second set of bone fixation pins, the first and second sets of bone fixation pins being located, in use, with the site of the fracture intermediate them. Each of the holders is rotatable about a respective set of three orthogonal axes, the three axes of each set intersecting one another at a respective point located in the bone, the two respective points being spaced from one another along the longitudinal axis of the bone.
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: December 16, 1986
    Assignee: University College London
    Inventor: Michael E. Dewar
  • Patent number: 4628923
    Abstract: An axial compression device for the fixation of a fractured bone comprises an assembly including a lag screw and a retaining member secured to bone fragments on opposite sides of a fracture and an angled slide member adapted to be connected to the lag screw and cooperable with the retaining member for providing a compressive force between the bone fragments. The lag screw and angled slide member are especially adapted to achieve simultaneous fixation of a secondary fracture which may also be present.
    Type: Grant
    Filed: November 28, 1983
    Date of Patent: December 16, 1986
    Inventor: Robert J. Medoff
  • Patent number: 4628924
    Abstract: The device, intended for insertion by means of a tube, comprises a supporting part having two branches attached to the front end in such a way that they spring apart when the device is pushed out of the tube into the uterus. At the end of each branch is a spherical occluding member, and at the rearward end of the supporting part is an eye through which a thread is looped. In order to achieve gentle sealing solely of the mouths of the Fallopian tubes, as well as to reduce production costs, the occluding members are of soft material and are flexibly connected to the associated branches, while the supporting part and the branches are made in one piece of a resilient but comparatively stiff material.
    Type: Grant
    Filed: January 17, 1984
    Date of Patent: December 16, 1986
    Inventor: Hugo Cimber
  • Patent number: 4627425
    Abstract: Osteotomy appliance and method for correcting bone deformities. The appliance comprises a guide to be used by the surgeon to make a second cut in a bone in predetermined angular relationship to a first cut in the bone. In one type of osteotomy the method and appliance enable a precise wedge-shaped piece of bone to be excised, leaving perfectly mating surfaces on the bone segments to be reunited. The guide has associated therewith a follower adapted to be placed in the first saw cut. The guide is adjustable positioned in relation to the follower to guide the second saw cut in the desired position. The method involves creating a hole in the bone at approximately the apex of the bone piece to be removed and utilizing pin members disposed in the hole for positioning guides for the first and second saw cuts.
    Type: Grant
    Filed: April 16, 1984
    Date of Patent: December 9, 1986
    Inventor: H. William Reese
  • Patent number: 4625718
    Abstract: An aiming apparatus for making transverse bores in a patient's bone in register with the holes or bores of an osteosynthesis aid in the bone, especially an interlocking nail, comprises an elongated holder for the accommodation of an aiming member adapted to be brought into the beam path of an X-ray apparatus, a reception head for receivig a drill or wire drill rotatably supported in the holder, and a power drive supported by the holder for rotatably driving the reception head. The reception head is made of a material transparent to X-ray radiation.
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: December 2, 1986
    Assignee: Howmedica International, Inc.
    Inventors: Sven E. Olerud, Karl M. Richter
  • Patent number: 4625717
    Abstract: An interosseous wiring system comprising a wire having an enlargement formed on the leading end thereof and a threading tool, said threading tool having means for attaching said enlargement to the front tip of said tool, in order that said wire may be threaded through a hole by passing the front tip of said tool through said hole, attaching the wire to said tool, and thereinafter withdrawing said front tip of said tool back through said hole, thereby carrying the leading end of said wire back through said hole.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: December 2, 1986
    Inventor: William M. Covitz
  • Patent number: 4624250
    Abstract: A bone cutting device for precision elbow surface replacement arthroplasty and osteotomy is described. A humeral clamping device is provided with an outrigger to hold the ulna in preselected and rigid relation to the humerus. A bone cutting tool such as a burr is inserted into a selected guide sleeve mounted for oscillatory arcuate movement on the medial side of the clamping device, so as to precisely prepare the humerus. The humeral guide sleeve is removed and replaced with a slightly longer second sleeve which provides the precise spacing required to prepare the ulna in similar manner. A planar radial cutting guide may be mounted on the lateral side of the clamping device, to guide a planar oscillating saw used to prepare the proximal end of the radius.
    Type: Grant
    Filed: May 6, 1985
    Date of Patent: November 25, 1986
    Assignee: Queen's University at Kingston
    Inventors: Gerald A. B. Saunders, Charles Sorbie
  • Patent number: 4624249
    Abstract: An external fixator having specialized pin holders which are slidably, but fixably disposed within hollow spacing members of the external fixation frame. The spacing members are externally threaded to receive nuts which fix the pin holders and the members are slotted to receive transfixion pins which are fixed in the pin holders by means of set screws.
    Type: Grant
    Filed: February 4, 1985
    Date of Patent: November 25, 1986
    Assignee: Medicuba
    Inventor: Rodrigo J. Alvarez Cambras
  • Patent number: 4624248
    Abstract: A pressure garment has a transparent exterior panel with a pair of lower sections adapted to be operatively positioned around the legs of the wearer, and with an upper section adapted to be positioned around the abdomen of the wearer. Transparent inner panels cooperate with each of the exterior panel sections to define pressure chambers therebetween. A pressurized gas such as for example compressed air, is introduced into the pressure chambers in order to inflate the same and apply pressure to the wearer's body.
    Type: Grant
    Filed: April 8, 1985
    Date of Patent: November 25, 1986
    Assignee: David Clark Company Incorporated
    Inventors: Forrest R. Poole, David G. Hansen
  • Patent number: 4622960
    Abstract: A surgical instrument for manipulation of securement wire in small bone surgery has an elongated body section, a first end portion having a J-shaped hook at its end portion to engage wire to draw the wire through a passage, and a second end portion defining a notch to engage wire end portions for urging the same into a passage.
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: November 18, 1986
    Inventor: John W. Tam
  • Patent number: 4621629
    Abstract: A compression hip screw to aid in healing of a fracture between the neck and head of a femur includes a hollow lag screw having a threaded inner end adapted to be inserted through the neck and into the head of the femur to span the fracture therebetween, a spring assembly slidably disposed within the lag screw and attached thereto, a side plate having a barrel adapted to fit over the outer end of the lag screw and a shank section for mounting to the lateral aspect of the femur, and a compression screw insertable through the barrel and into threaded engagement with the spring assembly. The compression screw seats in a recess formed at one end of the barrel and is rotatable to move the spring assembly along its threaded shaft toward the side plate. In turn, the lag screw connected to the spring assembly is urged toward the side plate which forces the femoral head against the neck of the femur to apply a compression force at the fracture therebetween.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: November 11, 1986
    Assignee: Harrington Arthritis Research Center
    Inventor: James B. Koeneman
  • Patent number: 4621627
    Abstract: The invention contemplates an orthopedic axial-fixation device wherein an extended range of body-length adjustment is achieved using three mutually telescoping members which are keyed against relative rotation, thereby preserving the selectively clamped orientation of pin mounts having ball-joint connection to the ends of the body. Separate selective clamping is available for securing a given extended relation of inner and intermediate body members and for securing a given extended relation of the intermediate and outer body members. Jacking mechanism for precision length adjustment of the body also uses three mutually telescoping threaded members so configurated that rotation of one of these threaded members is operative to provide jack expansion or retraction which serves the fullest possible range of body-length adjustability.
    Type: Grant
    Filed: January 18, 1985
    Date of Patent: November 11, 1986
    Assignee: Orthofix S.r.l.
    Inventors: Giovanni DeBastiani, Giovanni Faccioli, Roberto Aldegheri, Lodovico R. Brivio
  • Patent number: 4621628
    Abstract: The apparatus serves to locate transverse holes V of intramedullary implantates, especially in the distal end of implanted interlocking nails, in the fracture treatment of bones. The apparatus includes at least one magnet (13, 16) generating an axially symmetrical field, and a magnetic field detection device (8, 9) having an axial reception characteristic, with one of said two directional elements being adapted to be aligned on the axis of the transverse hole (11) to be located. The other one of said two directional elements, e.g. the magnet (13), is freely movable exteriorly, and therefore adapted to be aligned with the axis of the transverse hole. The output signals of the magnetic field detection device (8, 9) are presented on a display device (17) through a signal processing device (15). By relative displacement of the magnet (13) and of the magnetic field detection device (8, 9), the two axes thereof may be made to coincide, which state can be displayed on the display device by a zero point indication.
    Type: Grant
    Filed: September 6, 1984
    Date of Patent: November 11, 1986
    Assignee: ORTOPEDIA GmbH
    Inventor: Uwe Brudermann