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Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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Class 602/46 - Polymeric foam


Subclass of Class 602 - Surgery: splint, brace, or bandage
Definition: Subject matter having a wound contact surface composed of a synthetic material
No. of patents: 154
Last issue date: 09/27/2011


      4  
NumberTitleIssue Date
5507721Medical apparatus and method for applying pressure and absorbing fluid
A medical apparatus and method for wound dressing are provided for application with all sizes and shapes of wounds, particularly lacerations and deep and ragged cuts. The medical apparatus includes a compressed pad that expands as it absorbs body fluid fr...
04/16/1996
5505958Transdermal drug delivery device and method for its manufacture
A transdermal drug delivery device possessing a drug-storing matrix and at least one drug delivery device-securing component is manufactured from the same flexible cellular thermoplastic resin workpiece....
04/09/1996
5496264Hemostatic transdermal injection appliance
An elastic, hemostatic appliance for application to the skin of a patient has a first layer of foam material having a proximal surface and a distal surface relative to the patient and an annular layer of foam material having a distal surface adhered to th...
03/05/1996
5486158Grooved hydrocolloidal dressing
A skin-friendly dressing which has a high moisture absorbing capacity, a high degree of flexibility and good integrity. The dressing includes a moisture-absorbing adhesive sheet to be adhered to the skin and mucous membranes, with a layer of water swellab...
01/23/1996
5466231Laminated sponge device
A surgical device constructed of a polyvinyl acetal sponge body constructed with an average pore diameter ranging from about 0.02 to about 1.2 mm and opposite sides laminated with a surface film layer of about 0.0015 inches thick. The laminate surface fil...
11/14/1995
5462743Substance transfer system for topical application
A substance transfer device for topical or transdermal drug delivery to a living body or collection of fluids from a living body, comprises a layer of skin or wound surface compatible adhesive having a surface for contacting the body, and channels thereth...
10/31/1995
5409472Adhesive polymeric foam dressings
A conformable wound dressing is produced which comprises a polymeric foam absorbent layer, a continuous or discontinuous adhesive layer covering the body facing surface of the absorbent layer except for a wound contacting area which is free of adhesive an...
04/25/1995
5395318Method and apparatus for wound treatment
In a wound treatment method and apparatus a multiplicity of separately packaged doses of antibiotics, coagulants, anesthetic agents, and similar medicaments are introduced into a wound by a foaming carrier which acts as a mixing and transport medium and a...
03/07/1995
5346484Cushion-like member for abdominal operations
In abdominal operations, particularly gyneacological abdominal operations, gauze-like material is often used in practice to hold organs such as intestines away from the operative area. This gauze-like material must in many cases be replaced during an oper...
09/13/1994
5336163Expandable nasal stent
An expandable nasal stent for postoperative nasal packing is formed of a body with outer surfaces that correspond generally to the surfaces that define a human nasal cavity. The body is formed of a highly porous, pliable and absorbent foam material having...
08/09/1994
5328450Absorbent devices and precursors therefor
An absorbent device which comprises an absorbent layer having an apertured contoured polymer film attached to a surface, wherein this surface is provided with a plurality of depressions which communicate directly with the apertures in the film. The device...
07/12/1994
5298015Wound dressing having a porous structure
A dressing for a wound having a porous structure of continuous pores throughout the dressing made of minute filaments arranged in three dimensions and filmy links (viewed at a magnification of about 35 to 350) connecting the filaments. The porous structur...
03/29/1994
5207705Prosthesis of foam polyurethane and collagen and uses thereof
An implantable medical prosthesis is provided having a uniform mixture of foam polyurethane and collagen. The prosthesis can be shaped into an elongated hollow body tube useful for implantation in an animal. Alternatively, the prosthesis can be shaped int...
05/04/1993
5156601Tacky, hydrophilic gel dressings and products therefrom
A dressing includes a stable, tacky gel of polyurethane and poly(N-vinyl lactam), the poly(N-vinyl lactam) having a K-value of at least about 60 and mole equivalents of acid groups above about 1.4. The dressing may also include a substrate and various add...
10/20/1992
5100422Blood vessel patch
A vascular patch for closing an incision in a blood vessel includes a base layer of expanded polytetrafluoroethylene (PTFE) having an outer coating of an elastomeric, biocompatible material such as polyurethane to minimize suture hole bleeding. Suture gui...
03/31/1992
5088483Adhesive frame bandage
An adhesive composite is provided which consists of a conformable backing, a pressure-sensitive adhesive which is coated on at least a portion of the bottom surface of the backing, a permanent adhesive reinforcement which acts as reinforcing means for the...
02/18/1992
5065752Hydrophilic foam compositions
A hydrophilic foam composition comprising the in situ reaction product of an isocyanate-capped polyether prepolymer, a hydrophilic agent capable of absorbing water, an adjuvant comprising an alcohol, a wetting agent, and water....
11/19/1991
5036838Foam plastic orthopedic fabric
An orthopedic fabric is disclosed which includes a length of unbroken loop fabric to which is intimately adhered a layer of thermoplastic breathable elastomeric foam without employing stitches or other additional materials. The unbroken loop fabric may be...
08/06/1991
4906240Adhesive-faced porous absorbent sheet and method of making same
A sheet-form material suitable as wound dressing and having enhanced moisture control properties is disclosed. This sheet-form material includes a porous sheet of absorbent, elastomeric segmented polyurethane having an open pore structure and an apertured...
03/06/1990
4898592Means for the application of transdermally absorbable active substances
A device for the application of heated transdermally absorbable active substances has a carrier impregnated with a transdermally absorbable active substance and a support. The support is a laminate made up of one or more polymeric layers and optionally in...
02/06/1990
4733659Foam bandage
A disposable bandage, and a process for manufacturing it, which is prepared from a single sheet or strip of liquid permeable, flexible thermoplastic hydrophilic foam. The process includes coating the entire surface of one side of a foam sheet or strip wit...
03/29/1988
4730611Medical dressing device
A wound management dressing device. A foamed polyurethane pad of a selected size and having a hydrophilic side for contact with a wound and a hydrophobic side for facing away from the wound is positioned on a porous non-woven fibrous sheet of a larger sel...
03/15/1988
4660553Medical-surgical dressing and a process for the production thereof
A medical-surgical dressing comprising a reinforced sheet of silicone elastomer foam having a thickness not exceeding 10 millimeters, one of the surfaces of the sheet having a surface layer of open cell foam and the other surface having a substantially no...
04/28/1987
4655210Foam bandage
A disposable bandage, and a process for manufacturing it, which is prepared from a single sheet or strip of liquid permeable, flexible thermoplastic hydrophilic foam. The process includes coating the entire surface of one side of a foam sheet or strip wit...
04/07/1987
4625720Wound dressing material
A wound dressing material comprising a sheet of a synthetic plastics material which is permeable to water vapour and to air, having on one side a surface for application to a wound, and immediately behind the said surface a cellular region having a struct...
12/02/1986
4603076Hydrophilic foam
MDI-based prepolymers are blown with a substantially nonaqueous blowing agent, such as pressurized air, an polymerized with stoichiometric amounts of polyoxyethylene polyol having at least two hydroxyl equivalents per mole, yielding a hydrophilic foam. Th...
07/29/1986
4377159Pressure bandages and methods for making the same
Novel pressure bandages are described comprising either a substantially triangular prism-shaped section of compressible, resilient material which has been adhered to a carrier tape or a substantially rectangular prism-shaped section of compressible, resil...
03/22/1983
4292972Lyophilized hydrocolloio foam
A lyophilized foam sponge product having medically useful hemostatic and adhesive properties formed from the hydrocolloids, gelatin, pectin, and sodium carboxymethylcellulose and having a density of from about 0.01 to about 0.10 grams/cc. The gelatin is p...
10/06/1981
4233969Wound dressing materials
A wound dressing material, particularly for burns, comprises a sheet of synthetic plastics material which is permeable to water vapor and air, preferably a polyurethane produced by polymerization of an isocyanate capped polyoxyethylene polyol, without any...
11/18/1980
4198968Porous shaped article of regenerated cellulose adapted for medical use
A porous shaped article adapted for medicinal use is disclosed which comprises a porous regenerated cellulose the entire surface of which is covered with a coating comprising a hydrophilizingly effective amount of at least one wetting agent and a substant...
04/22/1980
4146027Method for dressing a wound
A procedure is provided for producing a wound dressing having a crushed or uncrushed foam bonded to a woven, knit or nonwoven absorbent layer, particularly woven cotton gauze. The foam is self-bonded to the absorbent layer, i.e., no adhesive is needed to ...
03/27/1979
3978855Polyurethane foam surgical dressing
The invention is directed to an open celled polyurethane foam article, which initially is generally non-absorbent, the surface of which is subsequently rendered absorbent by decreasing the average pore cell size to a critical range while preferably also s...
09/07/1976
3975567Surgical dressings
A polyurethane foam article, preferably a surgical dressing, at least one surface of which is rendered lyophilic by applying pressure and heat to said surface....
08/17/1976
3949742Medical dressing
A medical dressing is provided which is adapted to perform as a synthetic skin for the therapy and protection of skin wounds such as burns, donor sites for skin grafting, ulcers, and the like. In a preferred embodiment, the medical dressing is transparent...
04/13/1976
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