Patents Assigned to Aller-Screen, Inc.
  • Skin testing device with funnel loading
    Patent number: 4607632
    Abstract: A skin test kit and novel injection unit for intracutaneous use. A hollow cannula scarifier is loaded with a fluent test substance through a funnel.
    Type: Grant
    Filed: April 30, 1984
    Date of Patent: August 26, 1986
    Assignee: Aller-Screen, Inc.
    Inventors: Cynthia B. Brennan, Louis G. Brennan
  • Skin testing device
    Patent number: 4304241
    Abstract: A skin testing system for in vivo intracutaneous use which comprises a novel injection unit and multiple applicator means, each of the units carrying biological or chemical substances for skin testing, at least one of the units carrying a plurality of different antigens in admixture. Test substances are deposited intracutaneously by piercing the skin with each injection to predetermined depth; and the pierced skin is observed for response to the various substances and dermographia.Each of the injection units includes a handle portion, hilt portion and a scarifier portion having means for carrying testing substances.The preferred applicator means comprises points carrying groups of admixed allergens selected from tree allergens, mold allergens, grass allergens, ragweed allergens, weed allergens, dust, epidermals and foods together with histamine control, and diluent control.
    Type: Grant
    Filed: February 12, 1980
    Date of Patent: December 8, 1981
    Assignee: Aller-Screen, Inc.
    Inventor: Louis G. Brennan
  • Allergy testing method
    Patent number: 4270548
    Abstract: A skin testing system for in vivo intracutaneous use which comprises a novel injection unit and multiple applicator means, each of the units carrying biological or chemical substances for skin testing, at least one of the units carrying a plurality of different antigens in admixture. Test substances are deposited intracutaneously by piercing the skin with each injection to predetermined depth; and the pierced skin is observed for response to the various substances and dermographia.Each of the injection units includes a handle portion, hilt portion and a scarifier portion having means for carrying testing substances.The preferred applicator means comprises points carrying groups of admixed allergens selected from tree allergens, mold allergens, grass allergens, ragweed allergens, weed allergens, dust, epidermals and foods together with histamine control, and diluent control.
    Type: Grant
    Filed: December 11, 1979
    Date of Patent: June 2, 1981
    Assignee: Aller-Screen, Inc.
    Inventor: Louis G. Brennan
  • Allergy testing system
    Patent number: 4205689
    Abstract: A skin testing system for in vivo intracutaneous use which comprises a novel injection unit and multiple applicator means, each of the units carrying biological or chemical substances for skin testing, at least one of the units carrying a plurality of different antigens in admixture. Test substances are deposited intracutaneously by piercing the skin with each injection to predetermined depth; and the pierced skin is observed for response to the various substances and dermographia.Each of the injection units includes a handle portion, hilt portion and a scarifier portion having means for carrying testing substances.The preferred applicator means comprises points carrying groups of admixed allergens selected from tree allergens, mold allergens, grass allergens, ragweed allergens, weed allergens, dust, epidermals and foods together with histamine control, and diluent control.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: June 3, 1980
    Assignee: Aller-Screen, Inc.
    Inventor: Louis G. Brennan