Polymeric Gloves with Polyhexamethylene Guanidine Antimicrobial Finish
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Nosocomial infections, particularly those caused by microorganisms attaching to medical devices, pose a significant risk in medical environments due to the increased use of invasive aids and the emergence of multi-resistant germs, with existing antimicrobial solutions facing challenges in ensuring complete prevention of germ colonization and transmission.
Innovation Solution
Polyhexamethyleneguanidine, a polymeric antimicrobial agent, is integrated into polymeric carrier materials for medical articles and personal protective equipment, providing a broad-spectrum antimicrobial finish that inhibits the growth of pathogenic germs and prevents their transmission, even against resistant strains, by disrupting cell membrane integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hand disinfection is performed using standard rub-in methods, then infection prevention is improved, but wetting gaps remain on hands or gloves reducing effectiveness
Solution Approach 1:
The polymeric antimicrobial agent is applied to the glove surface during manufacturing, creating a pre-established protective barrier before the glove is used. This preliminary action ensures that the antimicrobial protection is already in place and uniformly distributed, eliminating the need for post-use disinfection and ensuring complete coverage without wetting gaps.
2Object-affected harmful factors
If antimicrobial agents are applied directly to medical devices, then germ colonization is reduced, but the complexity of the disinfection process increases
Solution Approach 1:
The medical device is equipped with intrinsic antimicrobial properties through the integrated polymeric agent during manufacturing. The device serves itself by providing ongoing antimicrobial protection without requiring external disinfection applications, complex treatment protocols, or additional disinfection steps by the user.
3Reliability
If polymeric antimicrobial agents are integrated into carrier materials, then broad-spectrum antimicrobial protection is achieved, but the manufacturing process complexity increases
Solution Approach 1:
The polymeric antimicrobial agent is combined with the polymeric carrier material during the manufacturing process, integrating the antimicrobial function into the base material structure. This merging approach allows both materials to be processed together, reducing the need for separate application steps and simplifying the overall manufacturing workflow while maintaining broad-spectrum protection.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The antimicrobial finish effectively prevents colonization and transmission of pathogens on medical devices for at least 2 days, reducing the risk of nosocomial infections and maintaining effectiveness against resistant bacteria, while being non-toxic and non-allergenic, ensuring user and patient safety.
Implementation Method 1
providing a broad-spectrum antimicrobial finish that inhibits the growth of pathogenic germs and prevents their transmission, even against resistant strains, by disrupting cell membrane integrity
Data Source
Figure 1
AI summary
The article e.g. hand gloves (10), has a polymer carrier material (12) provided with surface forming sides (14, 16), where one of the sides (16) is provided with antimicrobial preparation unit via rinsing or immersion methods. The preparation unit comprises polyhexamethylene guanidine or salt as antimicrobial agent, where the amount of polyhexamethylene guanidine ranges from 10 to 1500 micro gram/cm square. The preparation unit comprises a skin care agent, hydrophobization agent, tenside, hydrophilic agent, sliding agent, network agent and finishing agent as an auxillary material. An independent claim is also included for a method for manufacturing the medical or medical technical article.