Enhanced Lubrication Method for Medical Devices
Legal Citation
Summary of the Inventive Concept
An improved lubrication method for medical devices, utilizing novel surface modification techniques and environmentally friendly compositions to enhance biocompatibility, reduce material wear, and improve lubrication performance.
Background and Problem Solved
The original patent relates to a lubrication method for medical devices, but it has limitations in terms of material wear, biocompatibility, and environmental impact. The new inventive concept addresses these limitations by introducing novel surface modification techniques, solvent-free approaches, and biocompatible compositions, resulting in enhanced lubrication performance, improved biocompatibility, and reduced environmental impact.
Detailed Description of the Inventive Concept
The new inventive concept comprises a combination of ultrasonic cleaning and solvent-based surface activation to achieve enhanced biocompatibility and reduced material wear. The surface treatment module utilizes a novel solvent-free approach to reduce environmental impact. The lubrication composition comprises a novel combination of hyaluronic acid and a biocompatible additive, resulting in enhanced lubrication performance, improved biocompatibility, and reduced material wear. The hydrophobic metal surface is covered with a novel self-healing hydrogel layer, crosslinked with a biocompatible crosslinking agent, exhibiting improved lubrication properties and enhanced durability.
Novelty and Inventive Step
The new claims introduce novel surface modification techniques, solvent-free approaches, and biocompatible compositions, which are not obvious from the original patent. The combination of ultrasonic cleaning and solvent-based surface activation, the use of novel hydrophilic polymers, and the incorporation of biocompatible additives and self-healing hydrogel layers are all non-obvious and novel aspects of the new inventive concept.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept could include the use of different surface modification techniques, such as plasma treatment or laser ablation, or the incorporation of other biocompatible materials, such as graphene or nanocellulose, into the lubrication composition. Variations of the inventive concept could also include the application of the lubrication method to other medical devices, such as implantable devices or surgical instruments.
Potential Commercial Applications and Market
The enhanced lubrication method for medical devices has significant commercial potential in the medical device industry, particularly in the areas of orthopedic, cardiovascular, and neurosurgical devices. The market for medical devices is growing rapidly, and the new inventive concept has the potential to capture a significant share of this market by providing a superior lubrication method that addresses the limitations of existing technologies.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61L31/10 |
| A | A61 | A61L31/14 |
| C | C08 | C08L5/08 |
| A | A61 | A61L2400/10 |
| A | A61 | A61L2420/02 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Medical device surface modification and lubrication technologies, specifically focusing on biomaterial functionalization, hydrophilic polymer treatments, and crosslinking techniques for medical device surfaces
Person of Ordinary Skill (PHOSITA) Profile
A biomedical engineer or materials scientist with expertise in surface chemistry, polymer modification, medical device design, and experience with hydrophilic coatings and lubrication strategies for medical applications
Obviousness Rationale
A PHOSITA would recognize that the PTD's variations represent predictable extensions of the source patent's core lubrication method, utilizing known surface modification techniques and crosslinking strategies commonly employed in medical device engineering. The disclosed modifications represent incremental improvements using standard techniques in surface functionalization and lubrication, which would be obvious to implement based on the existing technological framework established by the source patent.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,702 |
|---|---|
| Title | Lubrication method |
| Assignee(s) | NATVI |