Foam substrate dressing and preparation method thereof
A foam and base frame technology, applied in the field of foam-based dressings and its preparation, can solve the problems of medical workers and patients, large differences in production processes and equipment, and different ways of use, etc., to achieve good ease of use and low cost , good effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0037] Example 1: Preparation of Foam-Based Vertical Absorbent Dressing
[0038] A foam-based dressing, which is a foam-based vertical absorbent dressing with a water content not higher than 22wt%, is composed of a base frame made of a sheet-shaped polyurethane foam dressing and a gel material filled and attached to the cells of the base frame, and the gel material Including 75wt% sodium alginate, 7.5wt% hydrophilic synthetic polymer polyacrylamide and 17.5wt% carboxymethylcellulose sodium (CMC-Na); the specific preparation method is as follows:
[0039] 1) The above-mentioned gel material, that is, 75wt% sodium alginate, 7.5wt% polyacrylamide and 17.5wt% carboxymethylcellulose sodium, was dissolved in water, and the solid content was 3.6 after stirring, filtering, defoaming, and standing. The gel stock solution of wt%; The sheet polyurethane foam dressing that commercially available thickness is 5mm is immersed in this gel stock solution;
[0040] 2) Use a pressure roller to...
Embodiment 2
[0046] Example 2: Preparation of Foam-Based Hydrocolloid Dressing
[0047] A foam-based dressing, which is a foam-based hydrocolloid dressing with a water content of 22 to 50 wt%, is composed of a base frame made of a sheet-shaped polyurethane foam dressing and a gel material filled and attached to the cells of the base frame, and the gel material includes 75 wt% % sodium carboxymethylcellulose, 10wt% xanthan gum and 15wt% sodium alginate; the specific preparation method is as follows:
[0048] 1) The above-mentioned gel material, i.e. 5wt% sodium carboxymethylcellulose, 10wt% xanthan gum and 15wt% sodium alginate, are dissolved in water, stirred, filtered, defoamed, and left to stand to make a solid content of 6wt%. Gel stock solution; a commercially available sheet-shaped polyurethane foam dressing with a thickness of 3 mm is immersed in the gel stock solution;
[0049] 2) Use a pressure roller to squeeze evenly from one side of the sheet-shaped polyurethane foam dressing t...
Embodiment 3
[0054] Example 3: Preparation of Foam-Based Hydrogel Dressing
[0055] A foam-based dressing, which is a foam-based hydrogel dressing with a water content of 50-90 wt%, is composed of a base frame made of a sheet-shaped polyurethane foam dressing and a gel material filled and attached to the cells of the base frame, and the gel material includes 55wt% k-type carrageenan, 25wt% gelatin and 20wt% sodium alginate; the specific preparation method is as follows:
[0056] 1) The above-mentioned gel material, that is, 55wt% k-type carrageenan, 25wt% gelatin and 20wt% sodium alginate, are dissolved in water at 90°C, stirred, filtered, defoamed, and left to stand to make a solid content of 4wt%. Collagen solution; a commercially available sheet-shaped polyurethane foam dressing with a thickness of 2mm is immersed in the gel stock solution;
[0057] 2) Use a pressure roller to squeeze evenly from one side of the sheet-shaped polyurethane foam dressing to the other side in parallel to g...
PUM
Property | Measurement | Unit |
---|---|---|
Thickness | aaaaa | aaaaa |
Water content | aaaaa | aaaaa |
Water content | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information

- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com