US3762415A - Anti-bacterial menses absorbing pads - Google Patents

Anti-bacterial menses absorbing pads Download PDF

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Publication number
US3762415A
US3762415A US00710925A US3762415DA US3762415A US 3762415 A US3762415 A US 3762415A US 00710925 A US00710925 A US 00710925A US 3762415D A US3762415D A US 3762415DA US 3762415 A US3762415 A US 3762415A
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Prior art keywords
sheet
menses
bacteriostatic
perforations
absorbing pad
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US00710925A
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English (en)
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W Morrison
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MAXINE B MONEY
MAXINE B MONEY US
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MAXINE B MONEY
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53704—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having an inhibiting function on liquid propagation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53713—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the vertical direction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53717—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the horizontal direction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53743—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers
    • A61F13/53752—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers the layer is embedded in the absorbent core
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/20—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/46—Deodorants or malodour counteractants, e.g. to inhibit the formation of ammonia or bacteria
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F2013/53445—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad from several sheets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F2013/53765—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry
    • A61F2013/53782—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry with holes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/20—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
    • A61L2300/202—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials with halogen atoms, e.g. triclosan, povidone-iodine
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
    • A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
    • A61L2300/404—Biocides, antimicrobial agents, antiseptic agents

Definitions

  • the present invention isdirected to a sanitary napkin or tampon having one or more sheets of such an anti-bacterial plastic material inserted into the core or wadding thereof, or an anti-bacterial agent compounded with a plastic resin and otherwise used in combination with ordinary menses absorbing pads.
  • the plastic sheets are perforated or otherwise treated so as to allow the menses to pass therethrough, however causing the menses to contact the perforated sheets thus killing or inhibiting the growth of the bacteria.
  • FIG. 1 is a perspective view with parts broken away of a sanitary napkin including the anti-bacterial sheets according to the invention
  • FIG. 2 is an enlarged sectional view taken substantially along the line 2-2 in FIG. 1;
  • FIG. 3 is a perspective view of one of the antibacterial plastic sheets according to one embodiment of the invention.
  • FIG. 4A is an enlarged perspective view showing a portion of the surface of the sheet shown in FIG. 4;
  • FIG. 5 is a perspective view of one of the antibacterial sheets according to a third embodimentof the invention.
  • FIG. 6 is an enlarged sectional view similar to FIG. 2, showing another embodiment of the invention.
  • FIG. 7 is an enlarged sectional view similar to FIG. 2, showing still another embodiment of the invention.
  • FIG. 1 shows a sanitary napkin 10, including a relatively thick,- elongated absorbent core 12, comprising primarily a mass of cellulose fibers, enclosed with a liquid pervious wrapper 14 having ends 16 which extend beyond the extremities of the absorbent core, providing the usual attachment means for the napkins.
  • one or more perforate sheets 18 of anti-bacterial treated material are inserted into the core 12 and form alternating layers of anti-bacterial material and wadding.
  • the outer layer of the core 12 furthest from the body comprises an imperforate sheet 19 of anti-bacterial treated material to prevent leakage and retain the menses within the napkin.
  • imperforate sheet 19 may also be large enough to fold up over the edges of the sides or ends of core 12 as shown in FIG. 2. Therefore, the core 12 will comprise an inner layer 20 of wadding, alternating layers of anti-bacterial treated, perforate, plastic sheets 18 and wadding 22, and an outer layer comprising an anti-bacterial treated, imperforate sheet 19.
  • the number of layers 18 of anti-bacterial treated plastic may vary or even comprise a single sheet, and may be inserted either very near the inner surface of the core, or further away, the only limiting factor being that the antibacterial treatedsheets must be located near enough to the body contacting surface of core 12 to be effective in their bacteria inhibiting characteristics.
  • a single imperforate plastic sheet having anti-bacterial qualities was positioned on the outer surface of the core 12 without any intermediate sheets such as sheet 18.
  • Corobex RB which includes as active ingredients about 0.l percent of 2 Ethylhexanol, about 16.0 percent Diisobutyl Phenoxyethoxy ethyldimethylbenxyl Ammonium chloride, and about 14.0 percent Alkyl (C to C Dimethylbenzyl Ammonium Chloride; or a bacteriostatic organotin compound selected from the class of his (tri-n-alkyltin) sulfosalicylates as taught by the Hyman US. Pat. No. 3,279,986.
  • the anti-bacterial agent is preferably premixed in concentrated form with a certain amount of specified resin which will provide sufficient anti-bacterial agent, so that when the pre-mix is added to a base resin, the final result will contain antibacterial agent preferably in the range of 0.01 to 1.0 percent, however usable materials have been made containing percentages as high as 30 percent of antibacterial agent.
  • the mixture may then be heated and extruded, injection molded, or blown as a thin film, or alternatively extruded as a rod which is subsequently particulated, melted, and re-extruded as a thin film in a manner well known in the plastic art.
  • the term molded is used to define a plastic part or article shaped by heat and pressure.
  • the result is a mixture of anti-bacterial chemical agent and plastic with the former uniformly dispersed throughout matrix of the latter.
  • the antibacterial chemical melts and blends with the plastic but upon cooling the former recrystallizes in the form of a spicular crystal which interlaces the molecular structure of the plastic.
  • the film may be extruded and/or calendared to any desired thickness, preferably 0.0005 to 0.005. If the film is to be later embossed, a preferred thickness might be in the range of 0.001 to 0.003 inches.
  • the film may then be fed to a pair of embossing and/or perforating rolls which either impart to the film a desired hole pattern and/or a textured surface having a channelling effect to be hereinafter described.
  • Embossed sheets may be cut from the roll stock by passing between cutting rolls of the proper circumference with cutting bars properly spaced to register the cuts with the embossed pattern.
  • the completed sheet thickness ranges from 0.002 to 0.006 inches or from 0.003 to 0.008 inches.
  • the anti-bacterial agent applied according to US. Pat. No. 2,919,200 tends to migrate to both the front and back surfaces of the plastic sheets and, upon contact with any bacteria adjacent thereto, either kills outright or greatly inhibits their growth.
  • the plastic sheets act as a reservoir for the hexachlorophene or Actamer, so that when the surfaces of the plastic sheet become deficient in the amount of anti-bacterial agent thereon, the reservoir of anti-bacterial agent releases a sufficient amount of the agent to replenish the surface.
  • the bacteria retarding or destructive effect of the improved napkin occurs simultaneously in two ways. First, menses flows along the surface of the plastic sheet contacting the anti-bacterial agent, then down through the perforations to the wadding below, where it may contact other treated plastic sheets. Secondly, as the wadding or core bocomes moist from normal body perspiration or the menses, the soluble anti-bacterial agent in the presence of moisture is drawn by hygroscopic action up into the wadding itself, providing a further surface area of anti-bacterial agent for contact with the menses.
  • the anti-bacterial plastic sheet is perforated to allow the menses to pass therethrough, although contacting it sufficiently to effectively inhibit the growth of bacteria.
  • Plastic sheets 18 may be in the form of a perforated sheet having a regular hole pattern therein, or they may preferably take the form of plastic sheets 30, each having perforations 32, 34 and 36 of varying sizes. In such a case, the smaller perforations 32 are located near the central area of the sheet and gradually increase in size nearer the edge and ends of the sheet.
  • the perforations 32, 34, and 36 in the otherwise impervious sheet effectively cause the menses to spread toward the edges of sheet 30 rather than allowing it to collect near the center as is the usual case. Since the holes are larger near the edge, more of the menses will pass through in the edge area than in the central area in contrast to a napkin or pad of standard construction having no distributory characteristics.
  • FIGS. 4 and 4A An alternate embodiment of one of the plastic sheets is shown in FIGS. 4 and 4A, wherein the anti-bacterial sheet 40 is embossed to provide longitudinal channels 42 and transverse channels 44.
  • Channels 42 and 44 include perforations 46 which allow the menses to pass through sheet 40, and channels 42 and 44 urge the menses outwardly toward the edges of sheet 40 for a more even distribution.
  • Perforations 46 may also preferably increase in size toward the edges of the plastic sheet.
  • the embossing makes the sheet more flexible and thus, more comfortable.
  • FIG. 5 Another embodiment of the plastic sheets is shown in FIG. 5, wherein the anti-bacterial sheet 50 is embossed to provide a central area 51 having channels 52 extending toward the corners and channels 54 extending toward the edges of sheets 50.
  • the central area 51 and channels 52 and 54 include perforations 56, which also may increase in size and/or numbers toward the corners and edges of sheet 50.
  • the side walls 58 and 60 of channels 52 and 54 may diverge as they approach the corners and edges.
  • Another possible embodiment using the antibacterial agent is to combine the bacterial agent in a crystalline form with polyolefin or other plastic resins. The mixture is then heated and extruded as a fiber which may be interspersedin the wadding 12' as shown in FIG. 6.
  • the anti-bacterial fibers may alternatively be spun into yarn for making a fabric as a textile for use as a napkin cover 14" as shown in FIG. 7. In either case, it might not be necessary to insert the antibacterial plastic sheets 18 within the wadding or core 12 of the napkin. In cases where the anti-bacterial agent is incorporated into a fiber or yarn, the entire surface area is available for anti-bacterial action.
  • a menses absorbing pad comprising an absorbent core surrounded by liquid pervious cover, the improvement comprising:
  • bacteriostatic material forming a portion of the absorbing pad contacting the menses to kill or inhibit the growth of bacteria
  • said bacteriostatic material comprising an organic plastic carrier and a bacteriostatic agent molded together, said bacteriostatic agent interlacing the molecular structure of the plastic, and said plastic comprising one material of the group consisting of: acrylic, acrylonitrilebutaden-styrene, and ethylene vinyl acetate.
  • a menses absorbing pad comprising an absorbent core surrounded by a liquid pervious cover, the improvement comprising:
  • bacteriostatic material forming a portion of the absorbing pad contacting the menses to kill or inhibit the growth of bacteria
  • said bacteriostatic material comprising an organic plastic carrier and a bacteriostatic agent molded together, said bacteriostatic agent interlacing the molecular structure of the plastic, said bacteriostatic material comprising at least one sheet inserted into the core and forming a layer thereof, said sheet including perforations of varying sizes including smaller perforations being located near the central area of the sheet and larger perforations being located near the edge of said sheet; whereby, the varying size of the perforations will cause the menses to be distributed more evenly throughout the core of said pad.
  • bacteriostatic material forming a portion of the absorbing pad contacting the menses to kill or inhibit the growth of bacteria
  • said bacteriostatic material comprising an organic plastic carrier and a bacteriostatic agent molded together, said bacteriostatic agent interlacing the molecular structure of the plastic, said bacteriostatic material comprising at least one sheet inserted into said core and forming a layer thereof, said sheet comprising perforations with the number of perforations near the edge of the sheet being greater than the number of perforations near the central area of said sheet.
  • a menses absorbing pad comprising an absorbent core surrounded by a liquid pervious core, the improvement comprising:
  • bacteriostatic material forming a portion of the absorbing pad contacting the menses to kill or inhibit the growth of bacteria
  • said bacteriostatic material comprising an organic plastic carrier and a bacteriostatic agent molded together, said bacteriostatic agent interlacing the molecular structure of the plastic, said bacteriostatic material comprising at least one sheet inserted into said core and forming a layer thereof, said sheet being perforated and said sheet having a plurality of embossed channels extending from the center thereof toward the corners and edges to form means for channeling the menses towards the edges and the corners of said sheet.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
US00710925A 1968-03-06 1968-03-06 Anti-bacterial menses absorbing pads Expired - Lifetime US3762415A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71092568A 1968-03-06 1968-03-06

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US3762415A true US3762415A (en) 1973-10-02

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US00710925A Expired - Lifetime US3762415A (en) 1968-03-06 1968-03-06 Anti-bacterial menses absorbing pads

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US (1) US3762415A (fr)
CA (1) CA939451A (fr)
DE (1) DE1910334A1 (fr)
FR (1) FR2003308A1 (fr)
GB (1) GB1263311A (fr)

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US3939838A (en) * 1974-08-20 1976-02-24 Unicharm Kabushiki Kaisha Article for treating menstrual fluid
US4055180A (en) * 1976-04-23 1977-10-25 Colgate-Palmolive Company Absorbent article with retained hydrocolloid material
US4282874A (en) * 1979-05-11 1981-08-11 Johnson & Johnson Baby Products Company Disposable absorbent article of manufacture
US4608289A (en) * 1983-08-16 1986-08-26 Interface Research Corporation Carpet containing sanitizing compounds and methods
US4647601A (en) * 1984-03-08 1987-03-03 Interface Research Corporation Self-sanitizing epoxy resins and preparation thereof
US4753749A (en) * 1984-03-08 1988-06-28 Interface Research Corporation Microbiocidal cleaning agent and preparation thereof
US4908209A (en) * 1983-08-16 1990-03-13 Interface, Inc. Biocidal delivery system of phosphate ester and method of preparation thereof
US4935232A (en) * 1983-08-16 1990-06-19 Interface Research Corporation Microbiocidal composition and method of preparation thereof
US4957948A (en) * 1988-05-05 1990-09-18 Interface, Inc. Biocidal protective coating for heat exchanger coils
US5024840A (en) * 1984-03-08 1991-06-18 Interface, Inc. Antimicrobial carpet and carpet tile
US5032310A (en) * 1983-08-16 1991-07-16 Interface, Inc. Microbiocidal cleansing and disinfecting formulations and preparation thereof
US5133933A (en) * 1983-08-16 1992-07-28 Interface Research Corporation Microbiocidal preservative
US5474739A (en) * 1978-02-04 1995-12-12 Interface, Inc. Microbiocidal composition
US5635192A (en) * 1988-05-05 1997-06-03 Interface, Inc. Biocidal polymeric coating for heat exchanger coils
US5652049A (en) * 1993-11-15 1997-07-29 Paragon Trade Brands, Inc. Antibacterial composite non-woven fabric
WO2001041690A1 (fr) * 1999-12-09 2001-06-14 The Procter & Gamble Company Article absorbant jetable comprenant une couche de reduction d'odeurs contenant une matiere metal-phtalocyanine
WO2001041688A1 (fr) * 1999-12-09 2001-06-14 The Procter & Gamble Company Article absorbant a usage unique utilisant une couche desodorisante/antimicrobienne a motif
WO2002091977A1 (fr) * 2001-05-16 2002-11-21 The Procter & Gamble Company Procede de fabrication d'un voile fibreux contenant un materiau fonctionnel
US6700036B2 (en) 2000-09-22 2004-03-02 Tredegar Film Products Corporation Acquisition distribution layer having void volumes for an absorbent article
US6960702B1 (en) 1999-12-09 2005-11-01 The Procter & Gamble Company Disposable absorbent article employing odor reduction layer containing metalphthalocyanine material
US20090038174A1 (en) * 2007-08-07 2009-02-12 Dar-Style Consultants & More Ltd. Kitchen utensil dryer
US20090232761A1 (en) * 2005-11-29 2009-09-17 Jan Faergemann Use of a Composition Comprising Pentane-1, 5-Diol as Deodorant
US20110162661A1 (en) * 2009-05-27 2011-07-07 St Anne Cora Method and device for female urinary incontinence
US20120237758A1 (en) * 2011-03-14 2012-09-20 Lisa Hook Method and Article for Concealing Labia Ridges
US9408683B2 (en) 2009-05-27 2016-08-09 Parapatch, Inc. Method and device for treating female pelvic nerve dysfunction
USD798462S1 (en) 2016-04-01 2017-09-26 Parapatch, Inc. Clitoral adhesive device
US20210162105A1 (en) * 2013-10-30 2021-06-03 Kci Licensing, Inc. Dressing with differentially sized perforations
CN114010403A (zh) * 2021-11-05 2022-02-08 诺宸股份有限公司 一种卫生吸收用品及其制备方法
US11744740B2 (en) 2013-10-30 2023-09-05 Kci Licensing, Inc. Dressing with sealing and retention interface
US11839529B2 (en) 2012-11-16 2023-12-12 Kci Licensing, Inc. Medical drape with pattern adhesive layers and method of manufacturing same
US11944520B2 (en) 2011-12-16 2024-04-02 3M Innovative Properties Company Sealing systems and methods employing a hybrid switchable drape
US11950984B2 (en) 2015-09-01 2024-04-09 Solventum Intellectual Properties Company Dressing with increased apposition force
US11957546B2 (en) 2014-06-05 2024-04-16 3M Innovative Properties Company Dressing with fluid acquisition and distribution characteristics
US11964095B2 (en) 2013-10-30 2024-04-23 Solventum Intellectual Properties Company Condensate absorbing and dissipating system
US11969318B2 (en) 2011-12-16 2024-04-30 Solventum Intellectual Properties Company Releasable medical drapes
US12097094B2 (en) 2008-03-05 2024-09-24 Solventum Intellectual Properties Company Dressing and method for applying reduced pressure to and collecting and storing fluid from a tissue site
US12127917B2 (en) 2014-03-03 2024-10-29 Solventum Intellectual Properties Company Low profile flexible pressure transmission conduit
US12226289B2 (en) 2014-12-17 2025-02-18 Solventum Intellectual Properties Company Dressing with offloading capability
US12396894B2 (en) 2015-09-17 2025-08-26 Solventum Intellectual Properties Company Hybrid silicone and acrylic adhesive cover for use with wound treatment
US12521478B2 (en) 2015-05-08 2026-01-13 Solventum Intellectual Properties Company Low acuity dressing with integral pump

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DE2518362C3 (de) * 1975-04-25 1984-07-05 Vereinigte Papierwerke Schickedanz & Co, 8500 Nürnberg Verwendung von wasserzerfallfähigen Folien als Wäscheschutzfolie für hygienische Zellstofferzeugnisse
FR2414332A1 (fr) * 1978-01-13 1979-08-10 Unilever Nv Articles desodorisants a jeter apres usage
US4637819A (en) * 1985-05-31 1987-01-20 The Procter & Gamble Company Macroscopically expanded three-dimensional polymeric web for transmitting both dynamically deposited and statically contacted fluids from one surface to the other
US6610904B1 (en) 2000-09-22 2003-08-26 Tredegar Film Products Corporation Acquisition distribution layer having void volumes for an absorbent article
SE0101033L (sv) * 2001-03-23 2002-04-09 Sca Hygiene Prod Ab Trosskydd samt användning av låghygroskopiska material för att tillverka ett trosskydd
US10238553B2 (en) 2013-07-31 2019-03-26 Kimberly-Clark Worldwide, Inc. Treated three-dimensional apertured surge
US10258516B2 (en) 2013-07-31 2019-04-16 Kimberly-Clark Worldwide, Inc. Treated three-dimensional apertured liners

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US1843037A (en) * 1928-07-19 1932-01-26 Johnson & Johnson Sanitary napkin
US1950957A (en) * 1933-01-30 1934-03-13 Marshall Field & Company Variable resistant chemicals and bandage embodying same
US2066946A (en) * 1934-03-08 1937-01-05 Clarence K Reiman Deodorizing and sterilizing bandage
US2919200A (en) * 1955-03-25 1959-12-29 Steril Plast Inc Bacteriostatic plastic
US3287222A (en) * 1962-03-16 1966-11-22 Roussel Uclaf Method for preparation of synthetic fiber medical dressing impregnated with therapeutic
US3340875A (en) * 1964-02-12 1967-09-12 Scott Paper Co Deodorized sanitary napkin
US3308488A (en) * 1965-05-03 1967-03-14 Richard J Schoonman Bacteriostatic drawsheet
US3279986A (en) * 1965-05-12 1966-10-18 Herculite Protective Fab Bacteriostatic material
US3490454A (en) * 1966-10-21 1970-01-20 United Merchants & Mfg Catamenial products having a coating of rupturable microcapsules containing medicants

Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939838A (en) * 1974-08-20 1976-02-24 Unicharm Kabushiki Kaisha Article for treating menstrual fluid
US4055180A (en) * 1976-04-23 1977-10-25 Colgate-Palmolive Company Absorbent article with retained hydrocolloid material
US5474739A (en) * 1978-02-04 1995-12-12 Interface, Inc. Microbiocidal composition
US4282874A (en) * 1979-05-11 1981-08-11 Johnson & Johnson Baby Products Company Disposable absorbent article of manufacture
US4608289A (en) * 1983-08-16 1986-08-26 Interface Research Corporation Carpet containing sanitizing compounds and methods
US4908209A (en) * 1983-08-16 1990-03-13 Interface, Inc. Biocidal delivery system of phosphate ester and method of preparation thereof
US4935232A (en) * 1983-08-16 1990-06-19 Interface Research Corporation Microbiocidal composition and method of preparation thereof
US5032310A (en) * 1983-08-16 1991-07-16 Interface, Inc. Microbiocidal cleansing and disinfecting formulations and preparation thereof
US5133933A (en) * 1983-08-16 1992-07-28 Interface Research Corporation Microbiocidal preservative
US4647601A (en) * 1984-03-08 1987-03-03 Interface Research Corporation Self-sanitizing epoxy resins and preparation thereof
US4753749A (en) * 1984-03-08 1988-06-28 Interface Research Corporation Microbiocidal cleaning agent and preparation thereof
US5024840A (en) * 1984-03-08 1991-06-18 Interface, Inc. Antimicrobial carpet and carpet tile
US5639464A (en) * 1988-05-05 1997-06-17 Interface, Inc. Biocidal polymeric coating for heat exchanger coils
US4957948A (en) * 1988-05-05 1990-09-18 Interface, Inc. Biocidal protective coating for heat exchanger coils
US5635192A (en) * 1988-05-05 1997-06-03 Interface, Inc. Biocidal polymeric coating for heat exchanger coils
US5652049A (en) * 1993-11-15 1997-07-29 Paragon Trade Brands, Inc. Antibacterial composite non-woven fabric
US20050197641A1 (en) * 1999-12-09 2005-09-08 The Procter & Gamble Company Disposable absorbent article having a patterned odor/antimicrobial reduction layer
WO2001041690A1 (fr) * 1999-12-09 2001-06-14 The Procter & Gamble Company Article absorbant jetable comprenant une couche de reduction d'odeurs contenant une matiere metal-phtalocyanine
WO2001041688A1 (fr) * 1999-12-09 2001-06-14 The Procter & Gamble Company Article absorbant a usage unique utilisant une couche desodorisante/antimicrobienne a motif
WO2001041689A1 (fr) * 1999-12-09 2001-06-14 The Procter & Gamble Company Article absorbant jetable a couche de reduction d'odeur renfermant un materiau a base de metalphtalocyanine
US7655828B2 (en) 1999-12-09 2010-02-02 The Procter & Gamble Company Disposable absorbent article having a patterned odor/antimicrobial reduction layer
US6960702B1 (en) 1999-12-09 2005-11-01 The Procter & Gamble Company Disposable absorbent article employing odor reduction layer containing metalphthalocyanine material
US6700036B2 (en) 2000-09-22 2004-03-02 Tredegar Film Products Corporation Acquisition distribution layer having void volumes for an absorbent article
WO2002091976A1 (fr) * 2001-05-16 2002-11-21 The Procter & Gamble Company Procede de fabrication d'une bande fibreuse contenant une matiere fonctionnelle
WO2002091977A1 (fr) * 2001-05-16 2002-11-21 The Procter & Gamble Company Procede de fabrication d'un voile fibreux contenant un materiau fonctionnel
US20090232761A1 (en) * 2005-11-29 2009-09-17 Jan Faergemann Use of a Composition Comprising Pentane-1, 5-Diol as Deodorant
RU2455027C2 (ru) * 2005-11-29 2012-07-10 Амбриа Дерматолоджи АБ Применение композиции, содержащей пентан-1,5-диол в качестве дезодоранта
US20090038174A1 (en) * 2007-08-07 2009-02-12 Dar-Style Consultants & More Ltd. Kitchen utensil dryer
US12097094B2 (en) 2008-03-05 2024-09-24 Solventum Intellectual Properties Company Dressing and method for applying reduced pressure to and collecting and storing fluid from a tissue site
US20110162661A1 (en) * 2009-05-27 2011-07-07 St Anne Cora Method and device for female urinary incontinence
US10449110B2 (en) 2009-05-27 2019-10-22 Parapatch, Inc. Systems and methods for treating female incontinence and pelvic nerve dysfunction
US9408943B2 (en) 2009-05-27 2016-08-09 Parapatch, Inc. Method and device for female urinary incontinence
US9408683B2 (en) 2009-05-27 2016-08-09 Parapatch, Inc. Method and device for treating female pelvic nerve dysfunction
US9492260B2 (en) 2009-05-27 2016-11-15 Parapatch, Inc. Systems and methods for treating female incontinence and pelvic nerve dysfunction
US8684008B2 (en) 2009-05-27 2014-04-01 Cora St. Anne Method and device for female urinary incontinence
US10335343B2 (en) 2009-05-27 2019-07-02 Parapatch, Inc. Method and device for treating female pelvic nerve dysfunction
US10335510B2 (en) 2009-05-27 2019-07-02 Parapatch, Inc. Method and device for female urinary incontinence
US20120237758A1 (en) * 2011-03-14 2012-09-20 Lisa Hook Method and Article for Concealing Labia Ridges
US11944520B2 (en) 2011-12-16 2024-04-02 3M Innovative Properties Company Sealing systems and methods employing a hybrid switchable drape
US12279932B2 (en) 2011-12-16 2025-04-22 Solventum Intellectual Properties Company Releasable medical drapes
US11969318B2 (en) 2011-12-16 2024-04-30 Solventum Intellectual Properties Company Releasable medical drapes
US12156786B2 (en) 2012-11-16 2024-12-03 Solventum Intellectual Properties Company Medical drape with pattern adhesive layers and method of manufacturing same
US11839529B2 (en) 2012-11-16 2023-12-12 Kci Licensing, Inc. Medical drape with pattern adhesive layers and method of manufacturing same
US11793923B2 (en) * 2013-10-30 2023-10-24 Kci Licensing, Inc. Dressing with differentially sized perforations
US11964095B2 (en) 2013-10-30 2024-04-23 Solventum Intellectual Properties Company Condensate absorbing and dissipating system
US11744740B2 (en) 2013-10-30 2023-09-05 Kci Licensing, Inc. Dressing with sealing and retention interface
US12324725B2 (en) 2013-10-30 2025-06-10 Solventum Intellectual Properties Company Dressing with sealing and retention interface
US20210162105A1 (en) * 2013-10-30 2021-06-03 Kci Licensing, Inc. Dressing with differentially sized perforations
US12127917B2 (en) 2014-03-03 2024-10-29 Solventum Intellectual Properties Company Low profile flexible pressure transmission conduit
US11957546B2 (en) 2014-06-05 2024-04-16 3M Innovative Properties Company Dressing with fluid acquisition and distribution characteristics
US12226289B2 (en) 2014-12-17 2025-02-18 Solventum Intellectual Properties Company Dressing with offloading capability
US12521478B2 (en) 2015-05-08 2026-01-13 Solventum Intellectual Properties Company Low acuity dressing with integral pump
US12220302B2 (en) 2015-09-01 2025-02-11 Solventum Intellectual Properties Company Dressing with increased apposition force
US11950984B2 (en) 2015-09-01 2024-04-09 Solventum Intellectual Properties Company Dressing with increased apposition force
US12396894B2 (en) 2015-09-17 2025-08-26 Solventum Intellectual Properties Company Hybrid silicone and acrylic adhesive cover for use with wound treatment
USD798462S1 (en) 2016-04-01 2017-09-26 Parapatch, Inc. Clitoral adhesive device
CN114010403A (zh) * 2021-11-05 2022-02-08 诺宸股份有限公司 一种卫生吸收用品及其制备方法

Also Published As

Publication number Publication date
FR2003308B1 (fr) 1973-11-16
FR2003308A1 (fr) 1969-11-07
DE1910334A1 (de) 1969-09-25
GB1263311A (en) 1972-02-09
CA939451A (en) 1974-01-08

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