Enhanced Devices and Methods for Delivering Air to a Patient

Publication ID: 24-11857723_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Devices and Methods for Delivering Air to a Patient,” Published Technical Disclosure No. 24-11857723_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857723_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. 11,857,723.

Summary of the Inventive Concept

This inventive concept discloses advanced devices and methods for delivering air to a patient, providing real-time feedback, personalized airflow delivery, and automatic adjustment based on vital signs, thereby enhancing the effectiveness and efficiency of cardiopulmonary resuscitation (CPR) procedures.

Background and Problem Solved

The original patent disclosed devices and methods for delivering air to a patient, but it had limitations in terms of real-time feedback, personalized airflow delivery, and automatic adjustment based on vital signs. The new inventive concept addresses these limitations by introducing a temperature sensor, real-time feedback mechanism, and automatic adjustment based on vital signs, ensuring more effective and efficient CPR procedures.

Detailed Description of the Inventive Concept

The inventive concept comprises a system for delivering air to a patient, including a first portion with a first airflow inlet and a temperature sensor, and a second portion with a second airflow inlet, an impeller, and an outlet for communicating airflow to the patient. The temperature sensor senses airflow and the impeller adjusts airflow based on the sensed temperature. The system provides a real-time feedback mechanism to the user, indicating the effectiveness of the airflow delivery. Additionally, the system is configured to automatically adjust the airflow delivery based on the patient's vital signs. The inventive concept also includes methods for delivering air to a patient, providing personalized airflow delivery based on the patient's medical history.

Novelty and Inventive Step

The new inventive concept introduces the use of a temperature sensor, real-time feedback mechanism, and automatic adjustment based on vital signs, which are not present in the original patent. These features provide a non-obvious improvement over the existing devices and methods, enhancing the effectiveness and efficiency of CPR procedures.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may include the use of different types of sensors, such as pressure or flow rate sensors, or the integration of additional features, such as oxygen level monitoring or automated chest compression. Variations of the inventive concept may also include different configurations of the system, such as a portable or handheld device.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the medical device industry, particularly in the field of cardiopulmonary resuscitation (CPR). The device and method can be marketed to hospitals, emergency medical services (EMS), and other healthcare providers, offering a more effective and efficient solution for CPR procedures.

CPC Classifications

SectionClassGroup
A A61 A61M16/0048
A A61 A61M16/0072
A A61 A61M16/0003
A A61 A61M16/0078
A A61 A61M2016/0027

Field of Art

Medical Device Engineering, specifically respiratory and emergency medical devices for patient ventilation and CPR support, requiring expertise in biomedical engineering, fluid dynamics, sensor technologies, and medical device design

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with advanced degree, 3-5 years experience in medical device design, familiar with respiratory support technologies, sensor integration, and emergency medical equipment development

Obviousness Rationale

A PHOSITA would recognize that the PTD's variations represent predictable engineering modifications to the source patent's core respiratory device design. The temperature sensor, real-time feedback mechanism, and vital sign-based adjustment are logical extensions of existing sensor and control technologies in medical device engineering. These variations represent incremental improvements using known techniques that would be apparent to a skilled practitioner seeking to enhance patient care and device performance.

Obvious Combinations & Variations

Source Patent Element
First portion with airflow inlet and sensor for sensing airflow
PTD Variation
Replacing pressure sensor with temperature sensor to monitor airflow characteristics
Obviousness Reasoning
Sensor substitution is a routine design choice in medical device engineering, with predictable results in monitoring airflow parameters
Source Patent Element
Impeller-based airflow communication system
PTD Variation
Adding real-time feedback mechanism to indicate airflow delivery effectiveness
Obviousness Reasoning
Integrating user feedback is a standard design improvement for medical devices, representing an obvious enhancement to existing technology
Source Patent Element
Device configured to move impeller based on sensed airflow
PTD Variation
Automatically adjusting airflow delivery based on patient's vital signs
Obviousness Reasoning
Adaptive control systems are well-known in medical technology, representing a predictable application of sensor-driven dynamic adjustment
Source Patent Element
Basic airflow delivery mechanism
PTD Variation
Personalized airflow delivery based on patient medical history
Obviousness Reasoning
Customizing medical device performance using patient-specific data is a standard approach in medical device design
Source Patent Element
Impeller-driven airflow communication system
PTD Variation
Implementing multiple sensor types for comprehensive airflow monitoring
Obviousness Reasoning
Multimodal sensing is a predictable engineering approach to improve device performance and reliability
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857723 and the disclosed technical variations, a person of ordinary skill in the art would find the claimed innovations obvious and lacking inventive step. The published technical disclosure demonstrates that the claimed enhancements represent routine engineering modifications that would be apparent to a skilled practitioner, thus rendering potential patent claims obvious under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,723
TitleDevices and methods for delivering air to a patient