Rotational Metering Pumps for Niche Environments

Publication ID: 24-11857756_0009_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Rotational Metering Pumps for Niche Environments,” Published Technical Disclosure No. 24-11857756_0009_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857756_0009_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. 11,857,756.

Summary of the Inventive Concept

The inventive concept adapts the original rotational metering pump for specialized applications, addressing specific challenges in high-altitude, disaster relief, high-security, extreme weather, and remote settings.

Background and Problem Solved

The original patent's rotational metering pump, designed for wearable medication infusion patches, has limitations in operating in unique environments. The new inventive concept overcomes these limitations by introducing adaptations for specific, narrow markets or operational environments.

Detailed Description of the Inventive Concept

The new claims introduce specialized variations of the rotational metering pump, including adaptations for high-altitude environments with low atmospheric pressures, disaster relief settings with remote monitoring, high-security facilities with tamper-evident features, extreme weather conditions with waterproof and shock-resistant designs, and remote or wilderness areas with solar-powered energy sources and satellite communication modules.

Novelty and Inventive Step

The new claims' inventive step lies in the specific adaptations for each niche environment, which are non-obvious extensions of the original patent's design. These adaptations provide a unique solution for each targeted market, overcoming the limitations of the original design.

Alternative Embodiments and Variations

Alternative embodiments may include further adaptations for other specialized environments, such as underwater or space exploration applications. Variations could also include different materials, manufacturing processes, or user interfaces to enhance the pump's performance and usability in these niche settings.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in various industries, including medical device manufacturing, disaster relief, high-security facilities, and outdoor recreation. The targeted markets include patients requiring insulin therapy in unique environments, emergency responders, and individuals engaging in extreme sports or adventure activities.

CPC Classifications

SectionClassGroup
A A61 A61M5/14248
A A61 A61M5/1413
A A61 A61M5/1452
A A61 A61M5/14216
A A61 A61M5/172
F F04 F04B7/06
F F04 F04B19/025
A A61 A61M5/14276
A A61 A61M5/19
A A61 A61M5/31
A A61 A61M2005/14533
F F04 F04B7/0007
F F04 F04B7/0046
F F04 F04B9/047

Field of Art

Medical device engineering, specifically insulin delivery systems and precision metering pumps, involving mechanical design, fluid dynamics, and medical device miniaturization

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in medical device design, mechanical engineering background, understanding of fluid transfer mechanisms, familiarity with medical device adaptation for specialized environments

Obviousness Rationale

A person skilled in the art would recognize that the source patent's rotational metering pump design provides a fundamental architecture that can be readily adapted to specialized environments by applying standard engineering modifications. The core pump mechanism remains fundamentally unchanged, with variations primarily addressing environmental constraints through predictable engineering solutions. These adaptations represent incremental improvements that would be apparent to a skilled practitioner seeking to extend the pump's utility across different use scenarios.

Obvious Combinations & Variations

Source Patent Element
Rotational metering pump with precise fluid transfer mechanism
PTD Variation
High-altitude adaptation with pressure compensation module
Obviousness Reasoning
A PHOSITA would recognize that low atmospheric pressure requires predictable engineering interventions like pressure equalization chambers, which are standard design techniques in medical device engineering
Source Patent Element
Manifold design with fluid reservoir and cannula port
PTD Variation
Remote monitoring system integrating data transmission capabilities
Obviousness Reasoning
Adding telemetry to an existing medical device is a known technique, with standard communication protocols easily implementable by a skilled engineer
Source Patent Element
Sleeve and plunger mechanism for precise fluid metering
PTD Variation
Tamper-evident design with biometric authentication
Obviousness Reasoning
Security enhancements represent predictable design extensions using well-established authentication technologies applicable to medical devices
Source Patent Element
Rotational pump with precise volumetric control
PTD Variation
Solar-powered energy source with satellite communication module
Obviousness Reasoning
Integrating alternative power sources and communication technologies is a standard engineering approach for extending device functionality in remote environments
Source Patent Element
Fluid transfer mechanism with precise volumetric control
PTD Variation
Waterproof and shock-resistant mechanical design
Obviousness Reasoning
Environmental hardening represents a predictable engineering solution using known materials and sealing techniques to extend device reliability
35 U.S.C. § 103 Summary: Based on US Patent 11857756's fundamental rotational metering pump design, the present publication demonstrates that a person having ordinary skill in the art would find the disclosed environmental adaptations obvious and predictable extensions of the prior art, thereby rendering potential derivative claims obvious under 35 U.S.C. ยง 103 through well-established engineering modifications that do not rise to the level of non-obvious invention.

Original Patent Information

Patent NumberUS 11,857,756
TitleRotational metering pump for insulin patch
Assignee(s)Becton, Dickinson and Company