Integrated Patient Interface for Ventilator Data Communication

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Solution Overview

Problem

Conventional breathing assistance systems require complex calibration and limited component compatibility, making them cumbersome to operate and adapt to different patient conditions and environments.

Innovation Solution

Integration of electronic devices and electrical conductors within the patient interface of breathing assistance systems, enabling communication of electrical signals between the patient interface and the gas delivery apparatus for real-time control and data exchange.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional programming and dedicated system components are used for calibration and operation, then system reliability is maintained, but device complexity and ease of operation deteriorate

Engineering Contradiction:
Improveease of operationVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patient interface automatically performs calibration functions and system self-tests without requiring manual programming by technicians. The electronic device integrated in the patient interface autonomously executes calibration routines, eliminating the need for complex manual setup procedures while maintaining system reliability.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system uses universal communication protocols and standardized connection interfaces that allow the patient interface to work with multiple different gas delivery apparatus models. This multi-functionality eliminates the need for dedicated components for each device combination, reducing overall system complexity while maintaining compatibility and reliability.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If dedicated system components preset to interface with limited alternative components are used, then manufacturing precision is maintained, but adaptability deteriorates

Engineering Contradiction:
ImproveadaptabilityVSAvoidmanufacturing precision
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The system allows dynamic adjustment of operational parameters such as pressure support levels, flow rates, and calibration values through electronic communication between the patient interface and gas delivery apparatus. This parameter flexibility enables adaptation to different patient conditions and environmental factors without requiring precision-matched dedicated hardware components for each scenario.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The connection system incorporates dynamic electronic signaling capabilities that allow real-time adjustment and communication between components. This dynamic interaction enables the system to adapt to various configurations and patient needs while maintaining reliable operation, replacing static dedicated component pairings with flexible electronic control.

Inventive Principle:
Principle #15Dynamics

3Productivity

If manual programming by technicians is used for calibration, then measurement precision is maintained, but productivity deteriorates

Engineering Contradiction:
ImproveproductivityVSAvoidmeasurement precision
Core Design Contradiction:
ProductivityVSMeasurement precision

Solution Approach 1:

The patient interface autonomously performs calibration measurements and system self-tests, automatically determining optimal operational parameters without requiring technician intervention. This self-calibration capability significantly reduces setup time and increases productivity while maintaining measurement precision through automated algorithms and sensors.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system incorporates feedback mechanisms where the patient interface continuously monitors system performance and automatically adjusts calibration parameters based on real-time measurements. This closed-loop feedback ensures measurement precision is maintained while eliminating the time-consuming manual programming process, thereby improving productivity.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS8851073B2Patient interface having an integrated system for communicating data to a ventilator
Publication Date: 2014.10.07 NELL COR PURITAN BENNETT INC (US)
  • US8851073B2 patent drawing
  • US8851073B2 patent drawing
  • US8851073B2 patent drawing

AI summary

A medical device may include a patient interface for use in a breathing assistance system, an electronic device coupled to the patient interface, and one or more electrical conductors at least partially integrated with the patient interface. The patient interface may include a connection end configured for receiving gas communicated by a gas delivery apparatus, and a patient end configured for insertion into or more breathing passageways of a patient. The one or more electrical conductors at least partially integrated with the patient interface may be capable of facilitating communication of electrical signals between the electronic device and the gas delivery apparatus when the patient interface is communicatively coupled to the gas delivery apparatus.