Becton Dickinson and Company Limited

Tea Datashvili

Theresa J Hermel-Davidock

Jianbin Zhang

Edward Bryan Coughlin

Components of medical devices include polyethylene-poly(ethylene oxide) amphiphilic graft copolymers (PE-g-PEO) in their base polymer formulations. The base polymeric formulations comprise at least a polymer or co-polymer of ethylene. These components are suitable for solvent-bonding with other components and enhance bond strength of the medical devices.

Enhancing bond strength of medical devices

Components of medical devices include polypropylene-poly(ethylene oxide) amphiphilic graft copolymers (PP-g-PEO) in their base polymer formulations. The base polymeric formulations comprise at least a polymer or co-polymer of propylene. These components are suitable for solvent-bonding with other components and enhance bond strength of the medical devices.

Amphiphilic graft copolymers comprise a polypropylene backbone and hybrid micromolecule side-chains based on organo-functional silanes (PP-g-XSiOA) in the presence of a co-agent, for example, difunctional metallic diacrylate monomers, where 'X' is an organic group or an organo-functional group, and 'A' is a metal, an inorganic oxide, an inorganic hydroxide, or any other inorganic material. X may be derived from a compound selected from the group consisting of epoxy, amino, acrylate, methacryloxy, and vinyl; and A is selected from the group consisting of: silicon, (Si), aluminum (Al), iron (Fe), titanium (Ti), silver (Ag), zinc (Zn), nickel (Ni), calcium (Ca), copper (Cu), tin (Sn); oxides thereof; hydroxides thereof; and mixtures of the foregoing. These copolymers are suitable for forming medical devices and/or as additives to base polymeric formulations for medical devices for improving laser marking, antimicrobial resistance, adhesive free bond strength, paintability and dyeability.

Amphiphilic graft copolymers and medical devices with enhanced bond strength

Medical devices comprise a polymeric body comprising: a base polymeric formulation comprising at least a polymer or co-polymer of propylene; and an additive comprising a copolymer having a polypropylene backbone and hybrid micromolecule side-chains based on organo-functional silanes (PP-g-XSiOA) in the presence of a co-agent, for example, difunctional metallic diacrylate monomers, where 'X' is an organic group or an organo-functional group, and 'A' is a metal, an inorganic oxide, an inorganic hydroxide, or any other inorganic material. X may be derived from a compound selected from the group consisting of epoxy, amino, acrylate, methacryloxy, and vinyl; and A is selected from the group consisting of: silicon, (Si), aluminum (Al), iron (Fe), titanium (Ti), silver (Ag), zinc (Zn), nickel (Ni), calcium (Ca), copper (Cu), tin (Sn); oxides thereof; hydroxides thereof; and mixtures of the foregoing. Optionally, inorganic fillers may be included. The medical devices are laser markable.

Laser markable medical devices

Medical devices comprise a polymeric body comprising: a base polymeric formulation comprising at least a polymer or co-polymer of propylene; and an additive comprising a copolymer having a polypropylene backbone and hybrid micromolecule side-chains based on organo-functional silanes (PP-g-XSiOA) in the presence of a co-agent, for example, difunctional metallic diacrylate monomers, where 'X' is an organic group or an organo-functional group, and 'A' is a metal, an inorganic oxide, an inorganic hydroxide, or any other inorganic material. X may be derived from a compound selected from the group consisting of epoxy, amino, acrylate, methacryloxy, and vinyl; and A is selected from the group consisting of: silicon, (Si), aluminum (Al), iron (Fe), titanium (Ti), silver (Ag), zinc (Zn), nickel (Ni), calcium (Ca), copper (Cu), tin (Sn); oxides thereof; hydroxides thereof; and mixtures of the foregoing. Antimicrobial agents are included in the polymeric body. The medical devices have enhanced antimicrobial properties.

Antimicrobial medical devices

Amphiphilic graft copolymers comprise a polypropylene backbone and polyoxyalkylene side-chains (PPMA-g-PEO-PPO). These copolymers are suitable as additives to base polymeric formulations for medical devices for improving bond strength, paintability, dyeability, and printablity.

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Hackensack, NJ, United States of America

Tea Datashvili