Abstract:
The present invention is directed to a hemostatic patch comprising a porous substrate and at least a pair of co-reactive polymer reagents comprising at least one nucleophilic polyalkylene oxide based component and at least one electrophilic polyalkylene oxide-based on the porous substrate in a molar ratio of about 0.2 to about 0.9:1 of primary nucleophilic groups in excess to available electrophilic groups. The present invention is also directed to processes for the manufacture and use of such hemostatic patches.
Abstract:
The present invention is directed to medical devices having a first porous substrate layer with at least a surface coating thereon of a first co-reactive component and a second substrate layer with at least a surface coating layer of a second co-reactive component that reacts with the first co-reactive component, and a removable barrier layer positioned between the first substrate layer and second substrate layer and in contact with said first substrate layer and said second substrate layer.
Abstract:
Disclosed herein are flowable biocompatible sealant compositions in the form of a biodegradable cross-linked gel, comprised of an insoluble agent for preventing infection, and an agent for preventing ischemia, wherein the agent for preventing ischemia is embedded in polymeric microparticles. The composition is characterized in that it releases at least part of said agents in a sustained manner. Uses of the compositions in methods for treating a leakage from a gastrointestinal site are further disclosed.
Abstract:
The present invention is directed to an absorbable hemostatic patch that utilizes a biocompatible fibrous, fabric substrate that is melt-blown and napped or loosened at the surface, with the substrate having a low-profile, high flexibility, strength and porosity that is suitable for coating cross-linkable active molecules and ultimately effective for use as a hemostat in situations of problematic bleeding.
Abstract:
The present invention is directed to multi-layered wound dressings having a carrier layer, at least two sublayers, wherein each sublayer contains at least one reactive, cross-linkable component and the at least two reactive, cross-linkable components are co-reactive with the other and at least one reactive, cross-linkable has a protective leaving group and a buffering salt agent.
Abstract:
The present invention is directed to an absorbable hemostatic nonwoven patch that utilizes a biocompatible substrate comprised of melt-blown microfibers as webbed sheets that are layered and bonded/entangled in descending density and ascending porosity; with the substrate having a high flexibility, strength and porosity that is suitable for coating cross-linkable active molecules and ability for laparoscopic use or trocar deployment, ultimately for functional use as a highly effective hemostat in addressing problematic bleeding during both open and minimally invasive surgical procedures.
Abstract:
A hemostatic pad comprising a bioabsorbable scaffolding material; a lyophilized thrombin powder, a lyophilized fibrinogen powder, and a meltable binder powder, with all powders disposed on the bioabsorbable scaffolding material. A meltable binder such as PEG bonds the lyophilized thrombin powder and the lyophilized fibrinogen powder to the bioabsorbable scaffolding material for improved friability, wettability and performance in a use, such as for hemostatic treatment or sealing at a wound site.
Abstract:
The present invention is directed to an absorbable hemostatic nonwoven patch that utilizes a biocompatible substrate comprised of melt-blown microfibers as webbed sheets that are layered and bonded/entangled in descending density and ascending porosity; with the substrate having a high flexibility, strength and porosity that is suitable for coating cross-linkable active molecules and ability for laparoscopic use or trocar deployment, ultimately for functional use as a highly effective hemostat in addressing problematic bleeding during both open and minimally invasive surgical procedures.
Abstract:
An engagement head for engaging a porous substrate includes at least two pin sets, each pin set including a plurality of pins arranged in a plurality of parallel pin rows at a predetermined pin angle, wherein pins of immediately neighboring pin rows are arranged such that pin angles for the pins in a pin row are inversely symmetrical to pin angles for the pins in a neighboring pin row. The pins of a pin row move collectively in the same direction when a pin set is extended, which direction is determined by the pin angle of the pin row, whereby neighboring pin rows move in opposite longitudinal directions from one another when the pin set is extended. The pin sets may be extended and retracted in unison by a single actuation source.
Abstract:
An absorbable hemostatic nonwoven patch utilizes a biocompatible substrate comprised of melt-blown microfibers as webbed sheets that are layered and bonded/entangled in descending density and ascending porosity; the substrate having a high flexibility, strength and porosity that is suitable for coating cross-linkable active molecules and ability for laparoscopic use or trocar deployment, ultimately for functional use as a highly effective hemostat in addressing problematic bleeding during both open and minimally invasive surgical procedures.