Patents Assigned to Smith and Nephew Associated Companies Limited
  • Patent number: 5147338
    Abstract: The present invention is directed to the manufacture and use of absorptive wound dressings for treatment of burns and other wounds wherein the dressing has a reduced tendency to adhere to the wound and can act as a bacterial barrier. The wound dressing is comprised of a wound facing layer, an intermediate absorbent layer and an outer layer. The wound dressing of the present invention also has a topically effective medicament for treatment of burns and other wounds.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: September 15, 1992
    Assignee: Smith and Nephew Associated Companies Limited
    Inventors: Stephen M. Lang, David F. Webster
  • Patent number: 4995382
    Abstract: A wound dressing which comprises an absorbent layer comprising an open cell foam of a hydrophilic polymer and a wound facing layer comprising either a conformable net of elastomer coated with adhesive on its wound facing surface or an adhesive layer, pattern spread in a conformable net-like configuration, the dressing optionally also having a conformable moisture vapour transmitting outer layer; and a process for making said dressing.
    Type: Grant
    Filed: April 28, 1989
    Date of Patent: February 26, 1991
    Assignee: Smith and Nephew Associated Companies Limited
    Inventors: Stephen M. Lang, David F. Webster
  • Patent number: 4846829
    Abstract: A pad for protecting female undergarments from light vaginal discharges is described in which pad a body liquid impermeable layer of pressure sensitive adhesive serves to prevent transmission of body liquids through the pad and also serves to adhere the pad to the undergarment.
    Type: Grant
    Filed: June 21, 1984
    Date of Patent: July 11, 1989
    Assignee: Smith and Nephew Associated Companies Limited
    Inventor: Ronald Lloyd
  • Patent number: 4666439
    Abstract: A hygienic absorbent pad is described which comprises an elongate absorbent core, a liquid pervious sheet over the front face of the absorbent core and a liquid absorbent core, which barrier sheet has longitudinal edge portions which cover the longitudinal sides of the absorbent, which longitudinal edge portions have a layer in contact with a surface thereof of a water absorbing polymer such as a hydrophilic polyurethane which is capable of inhibiting leakage of body fluids from the front surface of the absorbent pad to the sides thereof.
    Type: Grant
    Filed: June 14, 1985
    Date of Patent: May 19, 1987
    Assignee: Smith & Nephew Associated Companies Limited
    Inventors: Pamela J. Williams, John G. B. Howes
  • Patent number: 4585444
    Abstract: A handle for use in an intravenous needle assembly in which the handle comprises a body portion being connected via hinge portions to oppositely extending wing sections. The body portion of the handle has at its distal end an insertion aid in the form of laterally extending horns against which pressure may be applied when introducing the point of the needle of the intravenous needle assembly which comprises a needle, a hub which rigidly holds the needle and a handle as described above which is mounted on the needle hub in a manner which allows free rotation of the needle hub within the handle.
    Type: Grant
    Filed: March 22, 1983
    Date of Patent: April 29, 1986
    Assignee: Smith and Nephew Associated Companies Limited
    Inventor: Christopher Harris
  • Patent number: 4540408
    Abstract: A disposable applicator for placing a pharmacologically active agent in contact with a moist body surface, especially the eye is in the form of an elongate strip disposed at one end of which is a soluble matrix element containing the pharmacologically active agent so that on contact with the moist body surface the matrix element separates from the remainder of the strip. In a preferred form the matrix element is attached to the remainder of the strip by a thin water soluble membrane which rapidly dissolves in body fluid thereby releasing the matrix element to the body surface. Processes for the preparation of the disposable applicators are also described.
    Type: Grant
    Filed: April 29, 1982
    Date of Patent: September 10, 1985
    Assignee: Smith and Nephew Associated Companies Limited
    Inventor: Ronald Lloyd
  • Patent number: 4466431
    Abstract: A dressing which comprises an ointment impregnated open-work support, having a protector on at least one face thereof characterized in that the protector is a film soluble in water, materials therefor and the manufacture thereof are described.
    Type: Grant
    Filed: May 7, 1982
    Date of Patent: August 21, 1984
    Assignee: Smith and Nephew Associated Companies Limited
    Inventors: John Tharrat, Sally-Jane Harlock
  • Patent number: 4452845
    Abstract: A moisture vapor transmitting film comprising a blend of polyurethane and an incompatible polymer characterized in that the incompatible polymer forms a discrete phase within a continuous matrix of polyurethane and that said film contains voids and processes for the manufacture thereof.
    Type: Grant
    Filed: July 12, 1983
    Date of Patent: June 5, 1984
    Assignee: Smith and Nephew Associated Companies Limited
    Inventors: Ronald Lloyd, Peter J. Metcalfe
  • Patent number: 4438011
    Abstract: A substantially isotonic, aqueous solution suitable for the sterilization of soft contact lenses having small or no propensity to cause ocular irritation which solution comprises a sterile aqueous solution of 0.00125 to 0.0025% of a chlorhexidine salt and sufficient tonicity adjusting agent to render the solution substantially isotonic said tonicity adjusting agent not containing ionic species producing a tonicity equivalent to more than a 0.3% solution of sodium chloride.
    Type: Grant
    Filed: November 12, 1981
    Date of Patent: March 20, 1984
    Assignee: Smith and Nephew Associated Companies Limited
    Inventor: John G. B. Howes
  • Patent number: 4425344
    Abstract: A sterile, non-irritant, non-toxic pharmaceutical composition adapted for topical administration to the eye which contains 2,4,7-triamino-6-phenylpteridine is described. The composition may be used to treat ocular hypertension and glaucoma.
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: January 10, 1984
    Assignee: Smith and Nephew Associated Companies Limited
    Inventor: Michael Horlington
  • Patent number: 4425346
    Abstract: The present invention relates to pharmaceutical compositions adapted for topical administration to the eye and to their preparation and use. More specifically this invention relates to anti-glaucoma ophthalmic compositions containing tetraazabicyclic compounds of the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, X and Y are hereinafter defined and to the preparation and use of such compositions.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: January 10, 1984
    Assignee: Smith and Nephew Associated Companies Limited
    Inventor: Michael Horlington
  • Patent number: 4425345
    Abstract: A sterile, non-irritant, non-toxic aqueous solution adapted for topical administration to the eye which contains 2,4,7-triamino-6-phenylpteridine rendered soluble by a solubilizing amount of a xanthine derivative. The composition may be used to treat ocular hypertension and glaucoma.
    Type: Grant
    Filed: December 8, 1981
    Date of Patent: January 10, 1984
    Assignee: Smith and Nephew Associated Companies Limited
    Inventors: Michael Horlington, Lindsey V. Scott
  • Patent number: 4421741
    Abstract: An anti-inflammatory pharmaceutical composition is described which is adapted for topical application to the eye and contains as active principle a compound of formula ##STR1## or a pharmaceutically acceptable salt thereof where R.sub.1 is a chlorine atom or a methyl group, R.sub.2 is a hydrogen atom or a methyl group and R.sub.3 is a hydrogen atom or a methyl group. The composition may be used to treat ocular inflammation.
    Type: Grant
    Filed: June 9, 1982
    Date of Patent: December 20, 1983
    Assignee: Smith and Nephew Associated Companies Limited
    Inventors: David J. Gilbert, Derek A. Hollingsbee
  • Patent number: 4414970
    Abstract: Moisture vapor transmitting elastic bandages which comprise an inner layer of fabric and an outer layer of fabric bonded to a central layer characterized in that the central layer comprises an elastomeric film are described.
    Type: Grant
    Filed: July 24, 1981
    Date of Patent: November 15, 1983
    Assignee: Smith and Nephew Associated Companies Limited
    Inventor: Peter W. Berry
  • Patent number: 4379881
    Abstract: An adhesive polyacrylate which has a K value of 90 to 110 and contains 16% to 62% of n-butyl acrylate residues, 80% to 34% of 2-ethylhexyl acrylate residues and 4% to 10% acrylic acid residues, solutions thereof, surgical adhesive sheet materials coated therewith and their preparation are described.
    Type: Grant
    Filed: March 5, 1981
    Date of Patent: April 12, 1983
    Assignee: Smith and Nephew Associated Companies Limited
    Inventor: Roger F. Peck
  • Patent number: 4349563
    Abstract: An anti-inflammatory pharmaceutical composition is described which is adapted for topical application to the eye and contains as active principle a compound of formula ##STR1## or a pharmaceutically acceptable salt thereof where R.sub.1 is a chlorine atom or a methyl group, R.sub.2 is a hydrogen atom or a methyl group and R.sub.3 is a hydrogen atom or a methyl group. The composition may be used to treat ocular inflammation.
    Type: Grant
    Filed: April 13, 1981
    Date of Patent: September 14, 1982
    Assignee: Smith and Nephew Associated Companies Limited
    Inventors: David J. Gilbert, Derek A. Hollingsbee
  • Patent number: 4347238
    Abstract: A mobile, drop-forming heat-sterilizable ophthalmic oil-in-water emulsion which comprises an aqueous solution of a pharmaceutically acceptable salt of polyacrylic acid lightly cross-linked with triallyl sucrose, a pharmaceutically acceptable oil and a medicament effective when applied topically to the eye and sterilizable by autoclaving is described.
    Type: Grant
    Filed: October 24, 1980
    Date of Patent: August 31, 1982
    Assignee: Smith & Nephew Associated Companies Limited
    Inventor: Derek A. Hollingsbee