A61L29/126

FLEXIBLE/EXPANDABLE PHACOEMULSIFICATION TIP
20190083310 · 2019-03-21 ·

A phacoemulsification cutting tip, including a rigid tubular portion and a flexible and expandable tip portion located distal to the rigid tubular portion. The flexible and expandable tip portion presents an axial length and an unexpanded radius and is formed such that the axial length shortens while the unexpanded radius increases when differential pressure due to an occlusion of an opening of the flexible tip portion exists.

Stiff and strong hydrogels, production method and uses thereof

The present disclosure relates to the development of hydrogels with extreme stiffness and high-strength. In particular, an hydrogel comprising poly(2-hydroxyethyl methacrylate) and graphene material with a specific oxidation degree. The hydrogels of the present disclosure may be used in medicine, veterinary or cosmetic, namely as scaffold, cartilage, intervertebral disc and blood contact device such as: catheters, vascular grafts, heart valves, stents, artificial kidneys, artificial lungs, ventricular assist devices or drug delivery system. Uses in other areas can be envisaged, like in soft robotics, packaging, sealing and sensors.

PTFE LINERS WITH REDUCED COEFFICIENT OF FRICTION

The present disclosure provides extruded PTFE composite tubes with a reduced coefficient of friction (COF). In some embodiments, such extruded PTFE composite tubes may exhibit a reduced change in coefficient of friction between about 20? C. and about 40? C. with the inclusion of secondary polymeric particles with small particle sizes (<100 ?m) at loading percentages of less than about 50 weight %.

PTFE LINERS WITH REDUCED COEFFICIENT OF FRICTION

The present disclosure provides extruded PTFE composite tubes with a reduced coefficient of friction (COF). In some embodiments, such extruded PTFE composite tubes may exhibit a reduced change in coefficient of friction between about 20? C. and about 40? C. with the inclusion of secondary polymeric particles with small particle sizes (<100 ?m) at loading percentages of less than about 50 weight %.

HIGH-FLOW PORT AND INFUSION NEEDLE SYSTEMS
20190070399 · 2019-03-07 · ·

The present invention relates to a multi-reservoir port, catheter, and non-coring needle system that supports high-flow applications such as hemodialysis and apheresis. In particular, the invention relates to improvements to provide optimal flow rates, septum life, and septum/needle stability when introducing fluid into the multi-reservoir port.

MEDICAL BALLOONS WITH NANOPLATELET COMPOSITE MATERIALS AND METHOD OF MAKING THE SAME
20190060527 · 2019-02-28 · ·

A medical device includes an inflatable balloon having an axial length with a wall located along the axial length having an interior surface and an exterior surface that defines a wall thickness there between. At least a portion of the wall is formed of a nanoplatelet composite material that includes a polymeric matrix and one or more platelet nanofillers. The platelet nanofillers are aligned in a predetermined pattern. The predetermined pattern allows the platelet nanofillers to extend in at least two directions ranging from the nanofillers being circumferentially-oriented to axially-oriented relative to the axial length of the inflatable balloon.

MEDICAL BALLOONS WITH REINFORCED NANOCOMPOSITE MATERIALS AND METHOD OF MAKING THE SAME
20190060619 · 2019-02-28 · ·

A medical device includes an inflatable balloon having an axial length with a wall located along the axial length having an interior surface and an exterior surface that defines a wall thickness there between. At least a portion of the wall is formed of a reinforced nanocomposite that includes a polymeric matrix and a plurality of nanofibers. The nanofibers are aligned in a direction that ranges from being circumferentially-oriented and/or axially-oriented with respect to the axial length of the inflatable balloon.

Laser Markable Medical Devices
20190054214 · 2019-02-21 ·

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.

COATING FOR INTRALUMINAL EXPANDABLE CATHETER PROVIDING CONTACT TRANSFER OF DRUG MICRO-RESERVOIRS

A coating for an expandable portion of a catheter comprising a lipophilic matrix and a plurality of micro-reservoirs dispersed in the lipophilic matrix is disclosed. The plurality of micro-reservoirs comprises an active agent. A coating formulation and a method for forming the coating are also disclosed. A catheter comprising the coating on the expandable portion and a method for treating a condition are also provided.

COMPOSITION FOR CATHETER AND PRODUCTION METHOD THEREFOR
20190015560 · 2019-01-17 · ·

The present invention relates a composition for producing a foley catheter which is inserted in vivo and a method for producing the same, which the composition consists of the materials which carbon nanotube polymer (CNT Polymer) bonded a carbon nanotube and zinc oxide (ZnO) is combined with a silicon, wherein from 1.0 to 2.2 parts by weight of the said carbon nanotube polymer are combined with 100 parts by weight of silicon.