Patent classifications
A61L2300/802
Pasty preparation for forming a semirigid dressing
The invention relates to a pasty preparation for forming a semirigid dressing, said preparation having the following formulation: 30-70% by weight water, 1-10% by weight gelling agent, 10-40% by weight glycerol or polyvalent alcohols, in particular propylene glycol or sorbitol, 0-30% by weight oil, 0.5-5% by weight water-soluble salts, 0.5-2% by weight rheological fillers, and 1-5% adsorbent fillers.
IMPROVED BONE GRAFT SUBSTITUTE FORMULATION
The present disclosure relates to bone graft substitute formulations with a liquid weight to powder weight ratio (L/P) of about 0.35 to about 0.40. The formulations disclosed herein have significantly longer set times than formulations with lower L/P ratios, and yet the cement resulting from the formulations disclosed herein have comparable dissolution rates to those of formulations having a lower L/P. The present disclosure also relates to kits for making the bone graft substitute formulations and methods of treating bone defects with said formulations.
MEDICAL DEVICE COATINGS WITH MICROCRYSTALLINE ACTIVE AGENTS
Embodiments herein relate to medical devices and coatings for the same. In an embodiment, a drug delivery coating can be included having a polymeric layer. The polymeric layer can include a hydrophilic outer surface. The drug delivery coating can also include an active agent layer disposed over the polymeric layer. The active agent layer can include a microcrystalline active agent and a cationic agent. Other embodiments are also included herein.
DELIVERY OF HYDROPHOBIC ACTIVE AGENT PARTICLES
Embodiments of the invention include drug delivery coatings and devices including the same. In an embodiment, the invention includes a drug delivery coating including a polymeric layer. The polymeric layer can include a hydrophilic outer surface. The coating can also include a matrix contacting the hydrophilic outer surface. The matrix can include a particulate hydrophobic therapeutic agent and a cationic agent. The polymeric layer can further include a hydrophilic polymer having pendent photoreactive groups and a photo-crosslinker including two aryl ketone functionalities. Other embodiments are also included herein.
Balloon catheters for body lumens
Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
Intratumoral drug delivery materials and methods for treating breast cancer
Generally, the invention is in relation to the field of drug delivery devices to augment standard radiation therapy and methods of making and using same. Specifically, this technology utilizes a controlled release of drug from a coated balloon for local intratumoral drug delivery to breast tissue to supplement or replace standard radiation therapy.
Balloon catheters for body lumens
Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
Antimicrobial coatings for medical implements and medical devices
The present disclosure provides antimicrobial coating compositions that are used to form residual antimicrobial coatings on medical implements and medical devices including the components of medical equipment such as CPAP/BiPAP machines. Antimicrobial coating compositions comprise at least one of an organosilane (R.sup.1O).sub.3Si—R.sup.2—Z, an organic amine R.sup.9R.sup.10R.sup.11N, a titanium (IV) species, a 1,2-diol, an α-hydroxy acid, a β-hydroxy acid, and an organosilane grafted parylene polymer, wherein R.sup.1 is H, alkyl, substituted alkyl, aryl or substituted aryl, R.sup.2 is a bivalent linker, Z is a nucleophile, leaving group, or quaternary nitrogen substituent, and R.sup.9, R.sup.10, and R.sup.11 are independently H, alkyl, substituted alkyl, aryl, substituted aryl or cyclic.
Powdered collagen wound care compositions
Powdered collagen compositions and methods for wound care or the dressing or treatment of wounds in a subject in need thereof. The powdered collagen wound care composition includes powdered collagen or collagen-based material substantially covered with a hydrophobic barrier. In at least some instances, the hydrophobic barrier prevents the complete absorption or dissolution of the powdered collage or collagen-based material when placed on or in a wound or body of a subject for at least three (3) days. The powdered collagen wound care compositions are suitable for dressing or packing wounds or post-surgical incisions.
POLYMER HYDROGEL WITH SLOW-RELEASE FUNCTION AND PREPARATION METHOD AND USE THEREOF
A polymer hydrogel with a slow-release function, and a preparation method and use thereof are provided. The polymer hydrogel includes the following components in mass percentage contents: 0.01% to 15% of an active ingredient, 0.01% to 15% of an ion inhibitor, 0.01% to 1% of a crosslinking agent, 0.1% to 10% of a polymer resin, 10% to 35% of a solvent, 0.1% to 15% of a skin-touch regulator, 10% to 55% of deionized water, 0.1% to 3% of an appearance modifier, 0.01% to 1% of a crosslinking regulator, 0.01% to 1% of a preservative, and 0.01% to 5% of a transdermal absorption enhancer. The polymer hydrogel prepared by the present disclosure has excellent skin adaptability and skin permeability, long drug slow-release time, and excellent bioadhesion to the skin, and can be repeatedly peeled off without residue.