A61L31/141

MEDICAL DEVICE AND PLASTICIZED NYLON MATERIAL
20180009966 · 2018-01-11 ·

A plasticized nylon and a medical device including plasticized nylon. The medical device may be a dilatation balloon. Also disclosed are methods of plasticizing nylon.

Phase change material for thermal therapy and delivery of active ingredients
11707556 · 2023-07-25 · ·

A method of manufacturing a therapeutic material incorporating a soft thermoformable elastomer with a phase change material exhibiting high latent heat of fusion. The compound provides elasticity, softness, formability, and heat over an extended duration and to facilitate prolonged skin contact at elevated temperatures. Used in combination with active ingredients the increased temperature and formability provides enhanced transdermal delivery through the skin. Thermoplastic elastomers may be manufactured by mixing together plasticizing oil, a triblock copolymer, a paraffinic substance and one or more additives, e.g., an antioxidant, an antimicrobial agent, and/or other additives to form a mixture which melted then cooled into the thermoplastic elastomer. During cooling, the thermoplastic elastomer may be molded or otherwise formed into any number of articles including, but not limited to, prosthetic liners, prosthetic sleeves, external breast prostheses, breast enhancement bladders, masks, wound dressing sheets, wound dressing pads, socks, gloves, malleolus pads, metatarsal pads, shoe insoles, urinary catheters, vascular catheters, and balloons for medical catheters both vascular as well as urinary. Active ingredients are preferably added to the cooling thermoplastic elastomer when the temperature is below 100° F. to prevent heat degradation and/or breakdown of vital proteins.

Two-layer adhesion of electronics to a surface

Embodiments of the present invention are directed to a two-layer adhesive and methods of using the same to secure an electronic device to an organism. In a non-limiting embodiment of the invention, a surface of the organism is coated with a first adhesive layer (bottom layer). The first adhesive layer is cured and a surface of the cured first adhesive layer is coated with a second adhesive layer (top layer). An electronic device is positioned on the second adhesive layer prior to curing the second adhesive layer. The second adhesive layer is then cured, thereby embedding the electronic device within the second adhesive layer. The bottom layer and the top layer are selected such that the bottom layer releases upon exposure to a first solvent after a first duration and the top layer releases upon exposure to a second solvent after a second duration more than the first duration.

POLYMER IMPLANTS

The present technology relates to polymer implants. In some embodiments, the polymer implant may have a volume having minimum cross-sectional dimension of 400 μm. The polymer implant may be configured to be implanted within a mammalian body for at least 3 days without undergoing core acidification.

Polyvinyl chloride resin composition
09828488 · 2017-11-28 · ·

PURPOSE: The present invention provides a polyvinyl chloride resin composition which is superior in heat stability and processability and has less elution from the composition. CONSTITUTION: a polyvinyl chloride resin composition comprising 100 parts by weight of a polyvinyl chloride resin, 10 to 120 parts by weight of di(2-ethylhexyl)terephthalate, and 0.5 to 20 parts by weight of epoxidized vegetable oil having a peroxide number of 5 or less.

In situ forming hemostatic foam implants

Systems and methods related to polymer foams are generally described. Some embodiments relate to compositions and methods for the preparation of polymer foams, and methods for using the polymer foams. The polymer foams can be applied to a body cavity and placed in contact with, for example, tissue, injured tissue, internal organs, etc. In some embodiments, the polymer foams can be formed within a body cavity (i.e., in situ foam formation). In addition, the foamed polymers may be capable of exerting a pressure on an internal surface of a body cavity and preventing or limiting movement of a bodily fluid (e.g., blood, etc.).

MEDICAL ARTICLE WITH BACKING
20220040369 · 2022-02-10 ·

Aspects of the present disclosure relate to an article that includes a conformable backing having first and second opposed major surfaces. The conformable backing can be formed from a thermoplastic polymer selected from a group consisting of polyurethanes, polyesters, and combinations thereof. The conformable backing has a tensile strength of no greater than 60 grams per centimeter force at 25% elongation in a machine direction according to the Tensile and Elongation Test Method. A hydrophobic adhesive can be disposed on a portion of the first major surface of the conformable backing. The hydrophobic adhesive includes a cationic, bioactive agent, a hydrophobic solubilizer capable of solubilizing at least part of the bioactive agent, and a hydrophobic plasticizing agent having a weight average molecular weight of above 1500.

MULTILAYER SYNTHETIC RUBBER COMPOSITIONS
20220016322 · 2022-01-20 ·

Provided are multilayer synthetic rubber compositions formed from a layer of a styrene block copolymer composition and a layer of one or more synthetic elastomers, such as polychloroprene, polyisoprene, nitrile rubber, styrene butadiene rubber, butyl rubber and polyurethane. The multilayer compositions find use in the manufacture of thin walled articles, for example gloves, particularly medical or industrial gloves.

In situ forming hemostatic form implants

Systems and methods related to polymer foams are generally described. Some embodiments relate to compositions and methods for the preparation of polymer foams, and methods for using the polymer foams. The polymer foams can be applied to a body cavity and placed in contact with, for example, tissue, injured tissue, internal organs, etc. In some embodiments, the polymer foams can be formed within a body cavity (i.e., in situ foam formation). In addition, the foamed polymers may be capable of exerting a pressure on an internal surface of a body cavity and preventing or limiting movement of a bodily fluid (e.g., blood, etc.).

Phase Change Material for Thermal Therapy and Delivery of Active Ingredients
20230310719 · 2023-10-05 ·

A method of manufacturing a therapeutic material incorporating a soft thermoformable elastomer with a phase change material exhibiting high latent heat of fusion. The compound provides elasticity, softness, formability, and heat over an extended duration and to facilitate prolonged skin contact at elevated temperatures. Used in combination with active ingredients the increased temperature and formability provides enhanced transdermal delivery through the skin. Thermoplastic elastomers may be manufactured by mixing together plasticizing oil, a triblock copolymer, a paraffinic substance and one or more additives, e.g., an antioxidant, an antimicrobial agent, and/or other additives to form a mixture which melted then cooled into the thermoplastic elastomer. During cooling, the thermoplastic elastomer may be molded or otherwise formed into any number of articles including, but not limited to, prosthetic liners, prosthetic sleeves, external breast prostheses, breast enhancement bladders, masks, wound dressing sheets, wound dressing pads, socks, gloves, malleolus pads, metatarsal pads, shoe insoles, urinary catheters, vascular catheters, and balloons for medical catheters both vascular as well as urinary. Active ingredients are preferably added to the cooling thermoplastic elastomer when the temperature is below 100° F. to prevent heat degradation and/or breakdown of vital proteins.