Patent · US Active

Absorbent foam wound dressing materials

US10953127B2 · kind B2 · utility

0Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 3, 2010
Grant dateMar 23, 2021
Priority date—
Expiry dateFeb 3, 2030

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L15/225
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A wound dressing material comprising a solid substrate having interstitial spaces therein, wherein said substrate is a hydrophilic open-cell foam material, and wherein said interstitial spaces are at least partially filled by a hydrophilic polyurethane foam different from said substrate foam material. Also provided is a method of making a porous wound dressing material comprising the steps of: providing a substrate of a solid hydrophilic first foam material; applying a fluid or gel polyurethane foam prepolymer mixture to at least one surface of said solid substrate; and curing said prepolymer in contact with said solid substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.