Adaptive Blood Flow Measurement Systems for Niche Environments

Publication ID: 24-11857303_0009_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Adaptive Blood Flow Measurement Systems for Niche Environments,” Published Technical Disclosure No. 24-11857303_0009_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857303_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. 11,857,303.

Summary of the Inventive Concept

This inventive concept adapts blood flow measurement technology for specific, challenging environments, such as high-altitude, disaster-stricken, extreme weather, high-security, or resource-limited areas, ensuring accurate and reliable cardiovascular health assessments.

Background and Problem Solved

The original patent for measuring blood flow in the foot addressed a critical need for diabetic patients, but it did not account for unique operational environments that may require specialized adaptations. This inventive concept addresses the limitations of the original patent by providing tailored solutions for niche markets, ensuring the technology remains effective and reliable in diverse settings.

Detailed Description of the Inventive Concept

The new inventive concept comprises a range of adaptations to the original blood flow measurement apparatus, including: (1) high-altitude adapted photoplethysmography sets with tailored wavelengths to compensate for reduced oxygen levels; (2) remote monitoring capabilities via satellite communication links for use in disaster-stricken or resource-limited areas; (3) waterproof and shock-resistant housings for extreme weather conditions; (4) encrypted data transmission and biometric authentication for high-security environments; and (5) adapted signal analysis for predicting ulceration risk in areas with limited medical resources. These adaptations enable accurate and reliable cardiovascular health assessments in diverse environments.

Novelty and Inventive Step

The new inventive concept introduces novel adaptations to the original patent, including environment-specific photoplethysmography sets, remote monitoring capabilities, and encrypted data transmission. These innovations provide a non-obvious solution to the problem of measuring blood flow in niche environments, ensuring the technology remains effective and reliable.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include adaptations for other specialized environments, such as space exploration or high-temperature industrial settings. Variations could also include integrating additional health monitoring parameters or incorporating artificial intelligence for enhanced data analysis.

Potential Commercial Applications and Market

The adaptive blood flow measurement systems have significant commercial potential in various industries, including healthcare, disaster relief, and national security. The technology can be marketed to organizations operating in niche environments, such as high-altitude research stations, disaster response teams, or secure government facilities, providing a valuable tool for cardiovascular health assessments in challenging settings.

Field of Art

Medical Device Technology - Specifically Photoplethysmography (PPG) Blood Flow Measurement Systems for Diabetic Patient Monitoring, requiring expertise in biomedical engineering, optical sensing, and signal processing

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with advanced degree, experience in medical device design, understanding of optical sensing techniques, signal processing algorithms, and knowledge of adapting medical technologies to diverse environmental conditions

Obviousness Rationale

A PHOSITA would recognize that the disclosed variations represent predictable adaptations of the source patent's core blood flow measurement technology, applying standard engineering techniques to extend the apparatus's functionality across different operational environments. The fundamental photoplethysmography measurement principle remains unchanged, with modifications representing routine design optimization for specific use cases. These adaptations demonstrate standard engineering problem-solving approaches that would be apparent to a skilled practitioner familiar with medical device design and environmental constraints.

Obvious Combinations & Variations

Source Patent Element
Photoplethysmography sets configured to produce multiple wavelengths of light simultaneously
PTD Variation
High-altitude adapted PPG sets with wavelengths tailored to compensate for reduced oxygen levels
Obviousness Reasoning
Modifying light wavelengths to account for environmental conditions represents a predictable variation using known optical engineering principles, with a finite and foreseeable set of potential adjustments
Source Patent Element
Platform contact surface configured to receive foot force
PTD Variation
Waterproof and shock-resistant housing for extreme environmental conditions
Obviousness Reasoning
Protecting medical measurement devices from environmental stress is a standard engineering design consideration, representing a known technique for extending device reliability
Source Patent Element
Blood flow measurement apparatus for diabetic foot assessment
PTD Variation
Remote monitoring capabilities via satellite communication for disaster-stricken or resource-limited areas
Obviousness Reasoning
Integrating telecommunications with medical measurement devices is a predictable technological extension, representing a known solution for expanding healthcare access
Source Patent Element
PPG sets constrained to move in one dimension
PTD Variation
Encrypted data transmission and biometric authentication for high-security environments
Obviousness Reasoning
Adding security protocols to medical devices is a standard design choice when expanding technological applications, representing a foreseeable enhancement to protect sensitive health information
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857303, the disclosed variations represent obvious extensions of the original blood flow measurement technology, demonstrating that a person having ordinary skill in the art would find the proposed adaptations predictable and within the scope of routine medical device engineering. The published technical disclosure provides comprehensive prior art establishing the obviousness of environment-specific blood flow measurement system modifications.

Original Patent Information

Patent NumberUS 11,857,303
TitleApparatus and method of measuring blood flow in the foot
Assignee(s)Podimetrics, Inc.