Advanced Pressure Injury Prevention and Decision Support System

Publication ID: 24-11857477_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Pressure Injury Prevention and Decision Support System,” Published Technical Disclosure No. 24-11857477_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857477_0006_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. 11,857,477.

Summary of the Inventive Concept

An enhanced pressure injury prevention system that utilizes adjustable sensor sensitivity, machine learning algorithms, and real-time feedback to caregivers to prevent pressure ulcers, providing improved patient care and reduced healthcare costs.

Background and Problem Solved

The original patent, 'Pressure injury prevention sensor and decision support tool', aimed to prevent pressure ulcers by measuring pressure and generating notifications. However, it had limitations in detecting pressure fluctuations, movement patterns, and patient-specific risk factors. The new inventive concept addresses these limitations by introducing advanced sensors, machine learning algorithms, and real-time feedback to improve pressure ulcer prevention.

Detailed Description of the Inventive Concept

The advanced pressure injury prevention system comprises a sensor array with adjustable sensitivity to detect pressure fluctuations, a processor to analyze the detected fluctuations and predict the likelihood of pressure ulcer development, and a machine learning model to detect changes in patient movement patterns. The system provides real-time feedback to caregivers to adjust patient positioning and prevent pressure ulcers. Additionally, a decision support tool with a database of patient-specific risk factors generates personalized recommendations for pressure ulcer prevention. The system reduces pressure ulcer incidence by alerting caregivers to take preventative measures when the predicted risk exceeds a predetermined threshold.

Novelty and Inventive Step

The new claims introduce adjustable sensor sensitivity, machine learning algorithms for detecting changes in patient movement patterns, and real-time feedback to caregivers, which are not present in the original patent. These advancements provide a more accurate and proactive approach to pressure ulcer prevention, making the new inventive concept novel and non-obvious.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include integrating the system with existing hospital infrastructure, using different types of sensors or machine learning algorithms, or incorporating additional patient data such as medical history or medication. Variations could include adapting the system for use in different healthcare settings, such as clinics or home care.

Potential Commercial Applications and Market

The advanced pressure injury prevention system has significant commercial potential in the healthcare industry, particularly in hospitals, clinics, and home care settings. The system can reduce healthcare costs associated with pressure ulcers, improve patient outcomes, and enhance the overall quality of care. The target market includes healthcare providers, medical device manufacturers, and healthcare technology companies.

CPC Classifications

SectionClassGroup
A A61 A61G7/05769
A A61 A61B5/1116
A A61 A61B5/447
A A61 A61B5/6892
A A61 A61B2562/0247
A A61 A61B2562/046
A A61 A61G2203/44

Field of Art

Medical device technology focused on patient monitoring, pressure injury prevention, and sensor-based healthcare diagnostics, requiring expertise in biomedical engineering, sensor design, signal processing, and machine learning applications in clinical settings

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with advanced degree, experience in sensor technologies, data analysis, and clinical monitoring systems, familiar with signal processing techniques and machine learning approaches for healthcare applications

Obviousness Rationale

A person having ordinary skill would recognize that the published technical disclosure represents predictable variations and extensions of the source patent's core pressure injury prevention technology. The PTD introduces incremental improvements using standard engineering techniques like adjustable sensor sensitivity, machine learning algorithms for pattern recognition, and real-time feedback systems that would be considered routine design modifications within the technological domain. These variations represent logical combinations of known techniques to enhance the original pressure injury monitoring approach.

Obvious Combinations & Variations

Source Patent Element
Pressure measurement sensors for detecting patient positioning and weight distribution
PTD Variation
Sensor array with adjustable sensitivity and machine learning-enhanced movement pattern detection
Obviousness Reasoning
Adding variable sensor sensitivity and machine learning pattern recognition would be an obvious enhancement using known signal processing techniques to improve detection accuracy, representing a predictable technological progression
Source Patent Element
Notification system for alerting healthcare providers about potential patient risks
PTD Variation
Real-time feedback mechanism with personalized caregiver alerts based on patient-specific risk factors
Obviousness Reasoning
Expanding notification systems to include personalized, context-aware alerts represents a standard design evolution using available data processing and machine learning technologies
Source Patent Element
Basic pressure measurement and risk assessment methodology
PTD Variation
Decision support tool integrating comprehensive patient risk databases and predictive analytics
Obviousness Reasoning
Incorporating comprehensive risk databases and predictive modeling represents a logical extension of existing risk assessment technologies, utilizing standard data integration and machine learning approaches
Source Patent Element
Patient monitoring system with sensor-based measurements
PTD Variation
Wearable sensor device providing continuous movement and pressure distribution monitoring
Obviousness Reasoning
Transitioning from stationary to wearable sensor technologies represents a predictable technological progression using miniaturization and wireless communication techniques common in medical device design
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857477 and the published technical disclosure, a person having ordinary skill in medical device technology would find the claimed variations obvious and anticipated, as the disclosed innovations represent routine engineering modifications using standard signal processing, machine learning, and sensor design techniques to enhance pressure injury prevention methodologies.

Original Patent Information

Patent NumberUS 11,857,477
TitlePressure injury prevention sensor and decision support tool
Assignee(s)CERNER INNOVATION, INC.