Enhanced Wound Cleansing Apparatus with Advanced Features

Publication ID: 24-11857746_0001_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Wound Cleansing Apparatus with Advanced Features,” Published Technical Disclosure No. 24-11857746_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857746_0001_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,746.

Summary of the Inventive Concept

The present inventive concept relates to an improved wound cleansing apparatus that incorporates advanced features to enhance the cleansing process, promote wound healing, and reduce the risk of infection. The apparatus includes a conformable wound dressing with a thermal regulation layer, a microbe-impermeable film backing layer, and a cleansing means with a solid particulate for sequestering deleterious materials. Additionally, the apparatus features a temperature control device, a gentle vibration mechanism, and a UV-C light source to disinfect the wound exudate.

Background and Problem Solved

The original patent disclosed a wound cleansing apparatus that, while effective, had limitations in maintaining optimal wound temperature, preventing microbial invasion, and enhancing the cleansing process. The present inventive concept addresses these limitations by incorporating advanced features that improve the overall efficiency and safety of the wound cleansing process.

Detailed Description of the Inventive Concept

The enhanced wound cleansing apparatus comprises a conformable wound dressing with a thermal regulation layer that maintains an optimal wound temperature during the cleansing process. The wound dressing also features a microbe-impermeable film backing layer that prevents microbial invasion. The cleansing means includes a solid particulate for sequestering deleterious materials and a temperature control device to regulate the temperature of the wound exudate. Furthermore, the apparatus incorporates a gentle vibration mechanism to enhance the cleansing process and a UV-C light source to disinfect the wound exudate. The apparatus can be configured with a porous film and a permeable membrane, and a pressure sensor to monitor the pressure of the wound exudate during the cleansing process.

Novelty and Inventive Step

The present inventive concept introduces several novel features that distinguish it from the original patent. The thermal regulation layer, microbe-impermeable film backing layer, gentle vibration mechanism, and UV-C light source are all new and non-obvious elements that enhance the wound cleansing process. The combination of these features provides a significant improvement over the original patent, making the present inventive concept a valuable contribution to the field of wound care.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different materials for the thermal regulation layer, such as phase-change materials or thermoelectric materials. The microbe-impermeable film backing layer could be replaced with a nanofiltration membrane or an antimicrobial coating. The gentle vibration mechanism could be substituted with a sonic or ultrasonic device, and the UV-C light source could be replaced with a UVC-LED or a pulsed xenon lamp.

Potential Commercial Applications and Market

The enhanced wound cleansing apparatus has significant commercial potential in the wound care industry, particularly in the treatment of chronic wounds. The apparatus could be marketed to hospitals, clinics, and wound care centers, and could be used in conjunction with existing wound care products and therapies. The potential market for this device is substantial, with an estimated global wound care market size of over $20 billion by 2025.

CPC Classifications

SectionClassGroup
A A61 A61M3/0229
A A61 A61F13/00068
A A61 A61F13/0206
A A61 A61F13/0213
A A61 A61F13/0216
A A61 A61F13/0259
A A61 A61M1/77
A A61 A61M1/81
A A61 A61M1/82
A A61 A61M1/85
A A61 A61M1/915
A A61 A61M1/92
A A61 A61M1/962
A A61 A61M1/985
A A61 A61M3/022
A A61 A61M3/0216
A A61 A61M35/30
A A61 A61F2013/00357
A A61 A61M1/75
A A61 A61M1/772
A A61 A61M1/916
A A61 A61M27/00
A A61 A61M2205/075
A A61 A61M2205/106
A A61 A61M2205/7518
A A61 A61M2205/8206
Y Y10 Y10T29/49826

Field of Art

Medical device technology, specifically wound care and negative pressure wound therapy systems, involving advanced dressing designs, fluid management, and wound treatment methodologies

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with expertise in wound care technologies, familiar with materials science, fluid dynamics, infection control, and medical device design principles

Obviousness Rationale

A person having ordinary skill in the art would recognize that the published technical disclosure represents predictable variations and incremental improvements to the source patent's wound dressing technology. The additional features like thermal regulation, vibration mechanisms, and UV-C disinfection are logical extensions of known wound care techniques that address common clinical challenges. These modifications represent standard problem-solving approaches within medical device design that would be apparent to a skilled practitioner seeking to enhance wound healing processes.

Obvious Combinations & Variations

Source Patent Element
Negative pressure wound therapy system with wound dressing and absorbent material
PTD Variation
Adding thermal regulation layer to maintain optimal wound temperature
Obviousness Reasoning
Temperature management is a known technique in wound healing, and integrating temperature control into existing wound dressing designs would be an obvious design optimization for a skilled practitioner
Source Patent Element
Wound dressing with backing layer and wound contact layer
PTD Variation
Incorporating microbe-impermeable film backing layer to prevent microbial invasion
Obviousness Reasoning
Infection prevention is a critical concern in wound care, and using advanced barrier materials represents a predictable solution within medical device design
Source Patent Element
Wound dressing with fluid management capabilities
PTD Variation
Adding UV-C light source and gentle vibration mechanism to enhance cleansing process
Obviousness Reasoning
Disinfection and mechanical agitation are known techniques for improving wound cleansing, and combining these methods represents a logical extension of existing wound care technologies
Source Patent Element
Negative pressure wound therapy system with fluid management
PTD Variation
Implementing pressure sensor to monitor wound exudate pressure
Obviousness Reasoning
Real-time monitoring of wound conditions is a standard approach in medical device design, and integrating pressure sensing represents an obvious technological improvement
Source Patent Element
Wound dressing with absorbent material
PTD Variation
Including solid particulate for sequestering deleterious materials
Obviousness Reasoning
Material selection for improved wound treatment is a routine design choice, and using specialized particulates to remove harmful substances is a predictable solution in wound care technology
35 U.S.C. § 103 Summary: Based on a comprehensive analysis of US Patent 11857746 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations obvious and anticipated. The incremental modifications represent standard problem-solving techniques within medical device design, utilizing known methods to address wound care challenges through predictable combinations of existing technologies.

Original Patent Information

Patent NumberUS 11,857,746
TitleWound cleansing apparatus in-situ
Assignee(s)Smith & Nephew PLC