Specialized Bedpan Liners for Unique Operational Environments

Publication ID: 24-11857479_0004_PTD
Published: October 28, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Bedpan Liners for Unique Operational Environments,” Published Technical Disclosure No. 24-11857479_0004_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857479_0004_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. 11,857,479.

Summary of the Inventive Concept

This inventive concept adapts the original bedpan liner with drawstring for specific, narrow markets or unique operational environments, such as high-security facilities, disaster relief situations, extreme weather conditions, and areas prone to flooding.

Background and Problem Solved

The original bedpan liner with drawstring invention had limitations in addressing the needs of specialized markets and environments. For instance, in high-security facilities, the risk of tampering and unauthorized access is high. In disaster relief situations, waterproof and biodegradable materials are essential. In extreme weather conditions, weather-resistant and thermal-insulating materials are necessary. This inventive concept solves these problems by providing customized bedpan liners for these unique operational environments.

Detailed Description of the Inventive Concept

The inventive concept comprises a bedpan liner with drawstring designed for specific markets or environments. For high-security facilities, the liner is made of tamper-evident material. For disaster relief situations, the liner is made of waterproof and biodegradable material. For extreme weather conditions, the liner is made of weather-resistant material. Additionally, the liner can be made of thermal-insulating material for extreme cold weather conditions or buoyant material for areas prone to flooding. The drawstring assembly secures the liner closed during disposal, ensuring sanitary disposal in all environments.

Novelty and Inventive Step

The novelty of this inventive concept lies in the adaptation of the original bedpan liner with drawstring for specialized markets and environments. The inventive step is the selection of specific materials and designs tailored to the unique requirements of each environment, which provides a non-obvious solution to the problems faced in these situations.

Alternative Embodiments and Variations

Alternative embodiments of this inventive concept could include using different materials or designs for the liner and drawstring assembly, such as using antimicrobial materials for high-security facilities or incorporating sensors to detect tampering. Variations could also include adapting the liner for use with different types of bedpans or incorporating additional features, such as handles or carrying straps, for easier disposal.

Potential Commercial Applications and Market

This inventive concept has significant commercial potential in the healthcare, disaster relief, and environmental industries. The targeted markets include high-security facilities, disaster relief organizations, and hospitals operating in extreme weather conditions or areas prone to flooding. The potential market size is substantial, given the need for specialized bedpan liners in these environments.

CPC Classifications

SectionClassGroup
A A61 A61G9/003

Field of Art

Medical waste management and disposable medical accessories, specifically bedpan liners and sanitary disposal systems, with expertise in materials science and medical device design

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with knowledge of materials engineering, waste management protocols, and experience designing single-use medical containment products with adaptable configurations

Obviousness Rationale

A PHOSITA would recognize that adapting a standard bedpan liner to different environmental conditions represents predictable variations using known material substitution techniques. The core functional elements of the original bedpan liner design remain consistent, with material modifications addressing specific use case requirements. These adaptations represent routine design optimization within the medical device field, utilizing standard engineering problem-solving approaches.

Obvious Combinations & Variations

Source Patent Element
Bedpan liner with drawstring configuration for waste containment
PTD Variation
Tamper-evident material for high-security facilities
Obviousness Reasoning
Material selection for security contexts is a predictable design choice using known tamper-resistant polymers, representing a standard engineering solution to environmental constraints
Source Patent Element
Drawstring closure mechanism for waste containment
PTD Variation
Waterproof and biodegradable material for disaster relief scenarios
Obviousness Reasoning
Selecting environmentally appropriate materials is a routine engineering task with multiple known biodegradable polymer options that maintain required mechanical properties
Source Patent Element
Liner conforming to bedpan shape with upper and lower portions
PTD Variation
Thermal-insulating and buoyant material adaptations
Obviousness Reasoning
Modifying material composition to address environmental challenges represents a standard design approach using well-understood material science principles
Source Patent Element
Basic liner structure with drawstring closure
PTD Variation
Incorporating sensors or antimicrobial treatments
Obviousness Reasoning
Adding monitoring or antimicrobial capabilities represents a predictable enhancement using known medical device technological approaches
Source Patent Element
Waste containment liner with dimensional constraints
PTD Variation
Specialized liners for extreme environmental conditions
Obviousness Reasoning
Adapting product design for specific use cases is a standard engineering problem-solving technique with finite, predictable solution sets
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed herein would be obvious to a person having ordinary skill in the art based on US Patent 11857479, as the technical modifications represent routine design optimizations using known material substitution techniques and standard engineering problem-solving approaches within the medical device design field.

Original Patent Information

Patent NumberUS 11,857,479
TitleBedpan liner with drawstring