Expanding Pulse Oximetry Technology to New Industries

Publication ID: 24-11857319_0002_PTD
Published: November 07, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Expanding Pulse Oximetry Technology to New Industries,” Published Technical Disclosure No. 24-11857319_0002_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857319_0002_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. 11,857,319.

Summary of the Inventive Concept

The inventive concept leverages the core technology of the original patent to develop novel applications in environmental monitoring, food safety, athletic performance tracking, water quality monitoring, and industrial process control.

Background and Problem Solved

The original patent, 'System and method for monitoring the life of a physiological sensor', addressed the critical need for accurate oxygen monitoring in medical applications. However, this technology has broader implications and can be adapted to solve pressing problems in various industries. The inventive concept tackles these new challenges by applying the core pulse oximetry technology to non-medical fields, thereby expanding its reach and impact.

Detailed Description of the Inventive Concept

The new inventive concept involves adapting the pulse oximetry sensor assembly to measure oxygen levels in diverse environments, such as air, water, and food packaging. This adaptation enables the development of novel systems and methods for monitoring environmental air quality, detecting food spoilage, tracking athletic performance, monitoring water quality, and controlling industrial processes. The inventive concept incorporates the original patent's sensor use monitoring and alerting features to ensure the reliability and longevity of these new applications.

Novelty and Inventive Step

The inventive concept introduces a new and non-obvious application of pulse oximetry technology, shifting its focus from medical uses to a wide range of industrial and consumer applications. This expansion of the technology's scope constitutes a significant inventive step, as it requires a deep understanding of the original patent's core principles and their adaptation to new domains.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include wearable devices for tracking oxygen levels in extreme environments, such as high-altitude mountaineering or deep-sea diving. Variations could also involve integrating the pulse oximetry technology with other sensing modalities, like temperature or humidity sensors, to create more comprehensive monitoring systems.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential across various industries, including environmental monitoring, food safety, athletic performance tracking, water quality monitoring, and industrial process control. The target market includes government agencies, industries, and consumers seeking innovative solutions for monitoring and controlling oxygen levels in diverse environments.

Field of Art

Biomedical sensing technologies, specifically pulse oximetry and environmental monitoring sensors with usage tracking capabilities

Person of Ordinary Skill (PHOSITA) Profile

An engineer with expertise in sensor design, signal processing, and cross-domain sensor applications, possessing knowledge of electronic sensing systems, data monitoring, and adaptive sensor technologies

Obviousness Rationale

A PHOSITA would recognize that the core pulse oximetry sensor technology can be readily adapted to multiple environmental monitoring contexts by leveraging the fundamental sensing and usage tracking mechanisms disclosed in the source patent. The fundamental principles of measuring light transmission through a medium and tracking sensor usage are universally applicable across different sensing domains. The PTD demonstrates predictable extensions of the original medical sensor technology by applying known sensor design principles to alternative measurement environments.

Obvious Combinations & Variations

Source Patent Element
Sensor configured to store and track usage information
PTD Variation
Applying sensor usage tracking to environmental and industrial monitoring systems
Obviousness Reasoning
Extending sensor usage monitoring to new domains represents a predictable design choice using known tracking techniques
Source Patent Element
Light emitters and detectors for measuring transmission through a medium
PTD Variation
Adapting sensor to measure oxygen levels in air, water, and food packaging
Obviousness Reasoning
Transferring sensing principles across different mediums is a routine engineering adaptation with expected results
Source Patent Element
Generating alerts based on sensor measurements
PTD Variation
Creating alert systems for athletic performance, food safety, and industrial processes
Obviousness Reasoning
Implementing measurement-triggered alerts is a standard design approach in sensor systems with predictable implementation
Source Patent Element
Noninvasive physiological sensor with multiple wavelength detection
PTD Variation
Developing wearable devices for extreme environment oxygen monitoring
Obviousness Reasoning
Adapting sensor technology to new wearable form factors represents an obvious technological progression
Source Patent Element
Sensor configured to track current and usage time
PTD Variation
Integrating sensor usage tracking with multi-modal sensing systems
Obviousness Reasoning
Combining sensing modalities is a known technique for expanding sensor capabilities with predictable engineering outcomes
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857319, a person of ordinary skill in the art would find the disclosed environmental and industrial sensor variations obvious and anticipated, as the fundamental sensing principles, usage tracking mechanisms, and alert systems represent predictable extensions of the original pulse oximetry sensor technology. The variations demonstrate no inventive step beyond routine engineering adaptations of known sensor design principles.

Original Patent Information

Patent NumberUS 11,857,319
TitleSystem and method for monitoring the life of a physiological sensor
Assignee(s)MASIMO CORPORATION