Patents Examined by Randall L. Green
  • Patent number: 5582599
    Abstract: This invention introduces a new means and units that are to allow a rapid and clean insertion of bladder and similar catheters. These units will isolate and cover the contaminated surrounding areas by a cover made from synthetic or natural materials and their combinations. It also introduces a series of catheter covers that will cover the bladder catheters and will prevent it from being contaminated. These units also may use means that allows the support of the catheter to be done easily. Thank you very much for your consideration.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: December 10, 1996
    Inventor: Yousef Daneshvar
  • Patent number: 5582605
    Abstract: A disposable diaper structure that maintains the disposable diaper characteristics, but that is further adapted to include in its structure, detachable diaper change accessories. The diaper structure is provided with a compartment structure for storing a disposable pad for laying a child on during a diaper change and avoid exposing the child to an unsanitary surface during a change of diapers, and also provided with a plurality of other detachable accessories. The other accessories, may include washing towels, and toiletries, such as baby powders, lotions, and a sealable trash bag for disposal of all soiled and used items and their packaging material. The disposable convenience associated with the modern diaper is maintained, but further avoids a form of pollution of the environment in that dirty, soiled diapers can be sanitarily disposed of in public trash containers.
    Type: Grant
    Filed: July 5, 1994
    Date of Patent: December 10, 1996
    Inventor: Eric J. Lepie
  • Patent number: 5582596
    Abstract: An applicator for applying a biocompatible adhesive containing human or aal protein as a principal ingredient to a surgical site of living body includes a housing to which a sterile gas is supplied, a sterile-gas supply tube connected to the housing, two adjacent sterile-gas ejecting nozzles for ejecting the sterile gas in the same direction, two adapters to which respective nozzles of syringe barrels are connected, and a pair of solution tubes, each having one end connected to the adapter and the other end protruded outwardly from the sterile gas ejection nozzle through an interior of the housing. Respective solutions supplied from the syringes via the pair of barrel adapters are ejected from the outlets of the solution tubes. The sterile gas is ejected from two sterile-gas ejection nozzles in the same direction. Consequently, the solutions are sprayed and mixed by the sterile gas, and then applied to the surgical site.
    Type: Grant
    Filed: May 26, 1994
    Date of Patent: December 10, 1996
    Assignee: Juridical Foundation The Chemo-Sero-Therapeutic Research Institute
    Inventors: Nobuto Fukunaga, Katsumi Kawakami, Takanori Uchida, Yoshimitsu Ishihara
  • Patent number: 5582592
    Abstract: The invention provides a process of artificially inducing a non-pregnant, non-human female animal to act as a foster mother using a non-invasive method which comprises administering a topical application of at least one steroid hormone to the animal for a period of time sufficient that uptake of hormone by the animal acts both (i) to stimulate lactation and (ii) to prime the animal for vaginal and cervical stimulation so that such stimulation causes induction of maternal behavior. The hormone may be selected from either progestogen or oestrogen or a mixture of the two, and may be applied to the animal via an intra-vaginal sponge by a method comprising the steps of inserting a first hormone impregnated sponge into the vagina of a non-pregnant animal for about two to three weeks; removing the first sponge and replacing it with a second hormone impregnated sponge for a further period of time of about two to four weeks. Maternal behavior is induced by vaginal and cervical stimulation.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: December 10, 1996
    Assignee: Ministry of Agriculture, Fisheries and Food
    Inventor: Keith M. Kendrick
  • Patent number: 5582172
    Abstract: A substance for diagnosis or therapy of an animal. The substance includes an agent which is detectable or therapeutically active, the agent being linked to a carrier which is linked to a targeting site, whereby the agent accumulates in the lymphatic system of the animal to a greater degree than if the targeting site were absent.
    Type: Grant
    Filed: January 18, 1995
    Date of Patent: December 10, 1996
    Assignee: The General Hospital Corporation
    Inventors: Mikhail I. Papisov, Thomas J. Brady
  • Patent number: 5582604
    Abstract: A diaper having an inflatable component and a pump is disclosed. The pump has a pump chamber having an inlet port and an outlet port, and a resilient chamber wall. The resilient chamber wall is deformable to displace air from the pump chamber to the inflatable component. A check valve provides unidirectional flow from the pump to the inflatable component.
    Type: Grant
    Filed: May 31, 1994
    Date of Patent: December 10, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Nicholas A. Ahr, Donald C. Roe
  • Patent number: 5580349
    Abstract: An improved blood reservoir formed by opposed, flexible sheets has a screen sandwiched between the sheets defining an input chamber, an output chamber, and vent chamber. A vent is in fluid communication with the vent chamber. An outlet is in fluid communication with the output chamber. One or more inlets direct blood into the input chamber through apertures that direct blood upward and along the screen, allowing gas bubbles entrained in the blood to escape through the vent. Support springs around the inlets allow them to be flexed without kinking. The reservoir can be coupled to an improved mounting board for use.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: December 3, 1996
    Assignee: Avecor Cardiovascular, Inc.
    Inventors: Eric J. Thor, Kevin D. McIntosh, Theresa M. Schaefer
  • Patent number: 5580347
    Abstract: A system for performing surgery on a patient's eye includes a handpiece constructed for insertion into the eye, a control module, and a foot pedal module. The control module includes at least one control arranged for setting at least one parameter of operation of the handpiece (e.g., aspiration rate, intensity of phaco-power, etc.). The foot pedal module includes a foot pedal with which operation of the handpiece is controllable in accordance with the parameter set by the control in the control module. For example, the foot pedal may be used to vary the aspiration rate or the intensity of phaco-power up to the maximum set by a control on the control module. The foot pedal module includes circuitry for controlling operation of the handpiece in response to depression of the foot pedal and in accordance with the parameter set by the control in the control module.
    Type: Grant
    Filed: September 15, 1994
    Date of Patent: December 3, 1996
    Assignee: Mentor Ophthalmics, Inc.
    Inventor: Harry G. Reimels
  • Patent number: 5578070
    Abstract: A blow molded, rigid plastic venous chamber for hemodialysis, for use in a venous hemodialysis set. The chamber defines a plurality of first access ports adjacent to a first end thereof. A second access port is provided at an opposed end. A tubular plastic filter is positioned in close-fitting relation within the second access port to project into the chamber. Unique advantages are provided by such a blow-molded, filter-carrying chamber, and by the chamber shape.
    Type: Grant
    Filed: January 31, 1996
    Date of Patent: November 26, 1996
    Assignee: Medisystems Technology Corporation
    Inventor: David S. Utterberg
  • Patent number: 5578009
    Abstract: An elongated rod terminating in an abutment device with a lumen for passage of a guidewire is used to push an angioplasty balloon along the guidewire and through a vasculature to a location where treatment is needed. The balloon is fed by an inflation tube which remains independent of the guidewire and need not have axial rigidity. This combination of components permits one to exchange balloons without the need for a guidewire extending 100 cm or more outside the patient's body. Guidewire exchanges are also possible in certain embodiments of the concept, and possibilities for perfusion are also presented. The guidewire passes through a tube inside the balloon which can also be used for perfusion of the patient's blood when the guidewire is withdrawn.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: November 26, 1996
    Assignee: Danforth Biomedical Incorporated
    Inventors: Jeff L. Kraus, Michael J. Horzewski
  • Patent number: 5578001
    Abstract: An infusion apparatus includes a roller assembly adapted to exert pressure on opposed sides of an IV bag to forcibly remove the fluid contents therefrom in an even and controllable manner. A sensing element mounted to the roller assembly senses the pressure exerted during the infusion operation and generates a signal to a control assembly which automatically adjusts the movement of the roller assembly in response to the pressure sensed. If the pressure sensed exceeds a predetermined level, the control assembly will activate a drive assembly to return the roller assembly to a neutral position.
    Type: Grant
    Filed: September 13, 1994
    Date of Patent: November 26, 1996
    Inventor: Pranav N. Shah
  • Patent number: 5578008
    Abstract: Disclosed is a heated balloon catheter in use for effectively heating of the constricted zone of blood vessels deep thereinto, performing a proper temperature measurement, having further advantage of easy fabrication thereof.A 2 to 20 MHz radio frequency generator is connnected to heating electrode within a balloon and opposite electrode external of a patient respectively. A thermocouple mounted within the balloon is connected to an external temperature controller across paired conductors. A passive filter and an active filter are provided to eliminate said R.F. noise from said conductors. From R.F. generator is supplied R.F. energy to allow the capacitive current to flow through the patient's body via the electrodes, whereby a stenosis can be heated deep thereinto by capacitive heating. From the thermocouple is output the D.C. thermoelectric potential corresponding to the temperature to the temperature controller, of which the siganals are purified by said filters.
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: November 26, 1996
    Assignee: Japan Crescent, Inc.
    Inventor: Shinji Hara
  • Patent number: 5578077
    Abstract: The present invention describes a new pump which can be used as a mechanical heart, as a body fluid, as a drug infusion pump, and in similar or related applications for the circulation of body fluids including but not limited to blood and oxygenated air. The pump includes a scroll type pump that has been modified for medical applications. The pump includes two scroll involute spiral elements that are maintained at an angular and radial offset so that both spiral elements interfit to make a plurality of line contacts between their spiral curved surfaces to thereby seal off and define at least one pair of fluid pockets. The relative orbital motion of the two spiral elements shifts the line contact along the spiral curved surfaces thus causing the fluid pockets to change in volume. Since the volume of the fluid pockets increases or decreases, depending on the direction of the orbital motion, the scroll type pump is capable of either compressing, expanding or pumping the body fluids.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: November 26, 1996
    Inventor: Samuel A. Kassatly
  • Patent number: 5575766
    Abstract: A process for the treatment of atrial arrhythmia by use of ablation and/or mapping procedures comprising ablating discrete ablation tracks within the left and right atrium of the heart by use of precurved left and right atrium guiding introducers. Also disclosed are shapes for the guiding introducers to be used for the ablation and/or mapping of the discrete tracks within the left and right atrium.
    Type: Grant
    Filed: July 8, 1994
    Date of Patent: November 19, 1996
    Assignee: Daig Corporation
    Inventors: John F. Swartz, John Ockuly
  • Patent number: 5575770
    Abstract: An implantable infusion device includes a housing having opposite first and second walls and a relatively large blind passage extending into the housing from the first wall toward the second wall. A first self-sealing septum blocks the passage at the first wall and a second self-sealing septum blocks the passage at a location therein spaced from the first septum thereby defining an infusate chamber between the first and second septa and a blind chamber between the second septum and the housing second wall. A fluid pathway containing a normally closed valve extends from the infusate chamber to the exterior of the housing and a lever connected to the valve is located in the blind chamber. That lever may be depressed to open the valve only by a needle inserted through the two septa into the blind chamber which needle has a side opening aligned with the infusate chamber when such depression occurs.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: November 19, 1996
    Assignee: Therex Corporation
    Inventors: Gerald S. Melsky, Bradley J. Enegren
  • Patent number: 5575777
    Abstract: Leakage of blood from the insertion set, during and after safety-needle retraction, is suppressed by components that receive and retain flash blood for viewing--notwithstanding forces developed within the device in retraction. One preferred such system includes a flash chamber that moves with the retracting needle, within a hollow handle, carrying a relatively high flow-impedance element which allows air exhaust from the chamber into the handle to admit flash blood--but isolates blood in the chamber from retraction-generated increase in air pressure in the handle. Energy-absorbing components control or compensate for retraction speed, to provide quiet smooth retraction--while yet enabling use of ample retraction force to make retraction reliable. Among several energy absorbing systems disclosed is a preferred one that includes a viscous material introduced within the hollow handle to damp the retracting motion; and an injection port to facilitate introduction of the viscous material.
    Type: Grant
    Filed: April 10, 1995
    Date of Patent: November 19, 1996
    Assignee: Becton Dickinson and Company
    Inventors: Walter E. Cover, Alan A. Davidner
  • Patent number: 5575768
    Abstract: A device is provided for supporting a breast shield of a breast pump upon a woman's breast in a "hands-free" manner. This breast shield support includes a garment that is adapted to a woman's torso, and a mounting element formed with or attachable to the back of the breast shield. Elastic bands tied to loops on the garment are releasably affixed to the mounting element to support the breast shield on the exposed breast. A list for retrofitting the device to a breast pump assembly is advantageously provided.
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: November 19, 1996
    Assignee: Medela, Inc.
    Inventors: Kathleen A. Lockridge, Brian H. Silver, Gotthilf Weniger, Richard S. Weston
  • Patent number: 5575771
    Abstract: A catheter (10) for use with a guidewire (40) includes an elongated, flexible body (12a) defining distal and proximal ends, and also defining a balloon inflation lumen (14) extending therethrough. A balloon (24) is affixed near the distal end, at a location selected so that an extending portion (12b) of the catheter extends distally beyond the balloon. A guidewire retaining arrangement (30) is located on an exterior part of the extending portion (12b) of the catheter, for allowing the catheter to slide relative to the guidewire, while being maintained adjacent thereto. In a particular embodiment of the invention, the balloon (24) has a perfusion channel (22) extending from a distal side (16) of the balloon to the proximal side. The perfusion channel may have walls which have different compliance than the remainder of the balloon. In an embodiment with a lobed balloon (724), the guidewire retaining arrangements are located so as to direct the guidewire between the lobes of the balloon.
    Type: Grant
    Filed: April 24, 1995
    Date of Patent: November 19, 1996
    Inventor: Paul Walinsky
  • Patent number: 5575773
    Abstract: A reversible vein resin needle set for one time use designed not only to make the injection faster and convenient when injecting blood or injectant, but also to protect physicians and nurses from infection of AIDS, etc. caused by the metal needle stained by patient's blood. The device prevents the patient from infection of viruses through the metal needle by protecting the metal needle either in the cylinder of the resin needle set or in the connector, when injecting blood or injectant into the vein of a patient, by connecting the injectant container and one side of the resin needle set by the injectant line linked to the injectant regulator, and by keeping the metal needle in the cylindrical film shield or in the protective cylinder to shut off the outside. The device also protects the metal needle handling personnel from infection of AIDS and other diseases by holding the needle tip either in the cylinder or in the elastic body and in the rubber cap after the use of the metal needle.
    Type: Grant
    Filed: May 27, 1994
    Date of Patent: November 19, 1996
    Inventors: Kyung J. Song, Young S. Song, Jerng S. Song, Joong S. Song
  • Patent number: 5575779
    Abstract: An automatic flow regulator for use in a liquid management system is provided, as well as a method for its use. More particularly, a flow regulator and a method for its use are provided which can effectively regulate the flow of liquid in, e.g., an intravenous application. The flow regulator further provides de-bubbling features. For example, a deflector such as a dripdish and an air barrier are provided which serve to reduce the amount of bubbles in a liquid reservoir, greatly enhancing patient safety. The liquid may advantageously be an imaging liquid such as contrast.
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: November 19, 1996
    Assignee: Namic U.S.A. Corporation
    Inventor: Robert L. Barry