A61L2300/114

PHOTOTRIGGERABLE NITRIC OXIDE-RELEASING COMPOSITIONS AND APPLICATIONS THEREOF

Described herein are methods for controlling the release of nitric oxide from a nitric oxide releasing material. The method involves exposing the nitric oxide releasing material to light having a discrete wavelength, wherein the nitric oxide releasing material comprises a (i) a polysiloxane network and (ii) a plurality of nitric oxide-donating moieties covalently bonded to the polysiloxane network. The tunability of nitric oxide release from the nitric oxide releasing materials described herein provides unique therapeutic profiles that correspond to endogenous thresholds of nitric oxide for desired physiological response. The methods described herein can prevent bacterial growth as well as the formation of biofilms and fibrinogen on articles such as, for example, medical devices.

WOUND DRESSING OR DERMAL PATCH
20190290799 · 2019-09-26 ·

The invention relates to a pharmaceutical composition and in particular a dermal patch or wound dressing comprising an acid-hydrolyzing oligomer and/or polymer and an acid-activated prodrug such that the active principle in the pharmaceutical composition or in the dermal patch or wound dressing is formed A from the prodrug under the effect of acid. The invention further relates to a corresponding method for releasing active principles from a pharmaceutical composition.

Triple balloon occlusion and infusion catheter for forming a stent in situ
10398806 · 2019-09-03 · ·

Disclosed are balloon catheters for forming liquid cast biodegradable arterial stents, typically, the balloon catheters include multiple balloons and multiple ports and include an element for promoting or initiating curing of a polymer solution via polymerization or cross-linking.

Composite materials containing structural polymers and photoreactive nitric oxide releasing agents and uses thereof for wound dressings
11986562 · 2024-05-21 · ·

Disclosed herein are composite materials, ionic liquid compositions for preparing the composite materials, and methods for using the composite materials prepared from the ionic liquid compositions. The composite materials typically include structural polymers and nitric oxide releasing agents, and preferably photo-reactive nitric oxide releasing compounds or complexes. The composite materials may be prepared from ionic liquid compositions comprising the structural polymers and the nitric oxide releasing agent, where the ionic liquid is removed from the ionic liquid compositions to obtain the composite materials. The composite materials may be used in applications include dressing for wounds, where the nitric oxide releasing agents may be induced to release nitric oxide in order to inhibit microbial growth and promote healing.

MESOPOROUS NITRIC OXIDE-RELEASING SILICA PARTICLES, METHODS OF MAKING, AND USES THEREOF

Nitric oxide-releasing materials, methods of making nitric oxide-releasing materials, and uses of nitric oxide-releasing materials are provided. The nitric oxide-releasing materials include a mesoporous silica core and an outer surface having a plurality of nitric oxide donors. In an exemplary aspects, the nitric oxide-releasing material includes a mesoporous diatomaceous earth core, and an outer surface having a plurality of S-nitroso-N-acetyl-penicillamine groups covalently attached thereto. Uses of the nitric oxide-releasing materials can include coatings for medical devices such as catheters, grafts, and stents; wound gauzes; acne medications; and antiseptic mouthwashes; among others.

Composite Materials Containing Structural Polymers and Photoreactive Nitric Oxide Releasing Agents and Uses Thereof for Wound Dressings
20190240372 · 2019-08-08 ·

Disclosed herein are composite materials, ionic liquid compositions for preparing the composite materials, and methods for using the composite materials prepared from the ionic liquid compositions. The composite materials typically include structural polymers and nitric oxide releasing agents, and preferably photo-reactive nitric oxide releasing compounds or complexes. The composite materials may be prepared from ionic liquid compositions comprising the structural polymers and the nitric oxide releasing agent, where the ionic liquid is removed from the ionic liquid compositions to obtain the composite materials. The composite materials may be used in applications include dressing for wounds, where the nitric oxide releasing agents may be induced to release nitric oxide in order to inhibit microbial growth and promote healing.

METHOD OF MAKING THROMBORESISTANT/BACTERICIDAL S-NITROSO-N-ACETYLPENICILLAMINE (SNAP)-IMPREGNATED NITRIC OXIDE RELEASE POLYMERS WITH ENHANCED STABILITY
20190231936 · 2019-08-01 · ·

A method for making an NO-releasing polymeric composition, a discrete RSNO adduct is dissolved in a solvent to form a discrete RSNO adduct solution. A polymer material is soaked in the discrete RSNO adduct solution for a predetermined time to swell the polymer material and impregnate the polymer material with the discrete RSNO adduct.

S-NITROSOTHIOL-MEDIATED HYPERBRANCHED POLYESTERS
20190225747 · 2019-07-25 ·

The invention generally relates to compositions comprising degradable polymers and methods of making degradable polymers. Specifically, the disclosed degradable polymers comprise a biodegradable polymer backbone, a nitric oxide linker moiety, and a nitric oxide molecule. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Electrochemical gasotransmitter generating compositions and methods of using same and dressings and treatment systems incorporating same
10342706 · 2019-07-09 · ·

Disclosed are compositions that comprise an organic electrochemical mediator and a gasotransmitter salt which converts into a gasotransmitter via electron transfer. Also disclosed are bandages and wound dressings comprising the subject gasotransmitters, and methods of making a gasotransmitters, comprising exposing the compositions to a voltage sufficient to reduce the water soluble organic mediator. Further disclosed are methods of treating a variety of trauma and disease states by applying a therapeutically effective amount of at least one gasotransmitter thereto, and methods of generating an effective dose of the gasotransmitter generated from electrolytic reaction involving the gasotransmitter-generating compositions.

Nitric oxide releasing surfaces for decreased fouling, thrombosis, and infection of medical devices

Embodiments of the present disclosure provide for treated articles of tubing having anti-fouling characteristics, methods of making treated articles of tubing, and the like. Disclosed herein are treated articles of tubing impregnated with a silicone oil and a nitric oxide release agent. Also described are methods for preparing a treated article of tubing and methods for delivering a pharmaceutically acceptable fluid to a subject in need thereof, wherein the fluid is transferred from a fluid source through treated articles of tubing to the subject.