Orthogonal Speaking Valve Adapter for Tracheostomy Ventilation

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing speaking valves for tracheostomy patients face issues such as occlusion, high resistance, size limitations, adaptability issues, and leakage, which hinder effective speech and ventilation, particularly in cases with inflated cuffs or unconscious patients, and are not suitable for ventilators with foam-filled cuffed tracheostomy tubes.

Innovation Solution

A speaking valve adapter with orthogonal design, incorporating swivel adapters and adjustable cuffs, allowing for flexible connection to ventilators, enabling simultaneous ventilation and suctioning, and permitting speech while maintaining cuff inflation or deflation without obstruction, and compatible with both tracheostomy and endotracheal tubes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a speaking valve is attached to a tracheostomy tube to enable speech, then air flow through vocal cords is improved, but the risk of obstruction and leakage increases

Engineering Contradiction:
Improvespeech capabilityVSAvoidair flow obstruction risk
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The adapter serves as an intermediary device between the speaking valve and the ventilator circuit. It provides a dedicated port for the speaking valve while maintaining separate pathways for ventilation and suction, thereby mediating the conflict between enabling speech and preventing air flow obstruction or leakage.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The adapter segments the air flow pathways by providing distinct ports for ventilation, suction, and speaking valve connection. This segmentation allows each function to operate independently without interfering with others, reducing the risk of obstruction and leakage while maintaining speech capability.

Inventive Principle:
Principle #1Segmentation

2Reliability

If a speaking valve is used with an inflated cuff to prevent aspiration, then ventilation safety is improved, but speech capability deteriorates due to air flow obstruction

Engineering Contradiction:
Improveventilation safetyVSAvoidspeech capability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The adapter segments the air flow pathways by providing distinct ports for ventilation, suction, and speaking valve connection. This segmentation allows each function to operate independently without interfering with others, reducing the risk of obstruction and leakage while maintaining speech capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The adapter provides multi-functionality by simultaneously supporting ventilation with an inflated cuff, enabling speech through the speaking valve port, and allowing suction when needed. This universal design resolves the contradiction by making all functions compatible rather than mutually exclusive.

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

3Ease of operation

If a speaking valve is implemented to redirect air through vocal cords, then speech capability is improved, but device complexity and adaptability issues arise

Engineering Contradiction:
Improvespeech capabilityVSAvoidadapter configuration
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The adapter provides multi-functionality by simultaneously supporting ventilation with an inflated cuff, enabling speech through the speaking valve port, and allowing suction when needed. This universal design resolves the contradiction by making all functions compatible rather than mutually exclusive.

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

4Ease of operation

If a speaking valve is used to enable speech, then vocal cord air flow is improved, but leakage of exhaled air through the valve occurs

Engineering Contradiction:
Improvevocal cord air flowVSAvoidexhaled air leakage
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The adapter serves as an intermediary device between the speaking valve and the ventilator circuit. It provides a dedicated port for the speaking valve while maintaining separate pathways for ventilation and suction, thereby mediating the conflict between enabling speech and preventing air flow obstruction or leakage.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11285287B2Tracheostomy or endotracheal tube adapter for speech
Publication Date: 2022.03.29 ARLINGHAUS JR FR H
  • US11285287B2 patent drawing
  • US11285287B2 patent drawing
  • US11285287B2 patent drawing

AI summary

A speaking valve adapter is disclosed for assisting with speech or language expression during the respiratory recovery of a human. The speaking valve adapter including a speaking valve port, the port being orthogonal to a first interface port, the first interface port adapted to support tracheostomy or endotracheal tubing, a second interface port adapted to support at least one of a suction tubing and a bronchoscopy tubing, and a third interface port adapted to support a connection to a ventilator. The speaking valve adapter may be used by the patient for introduction of at least one of sounds and words while connected to the ventilator. A corresponding respiratory management system which implements the speaking valve adapter and configurable ventilator settings adapted for assisting with more effective speech or language expression during patient recovery or use, is also disclosed.