Irrigating Cannula System for Tracheostomy Secretion Clearance
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current tracheostomy tube care methods, relying on manual suction catheters, are inefficient in clearing secretions from the inner lumen, leading to frequent interventions, discomfort, and increased risk of infection, with existing irrigation and suction devices failing to address distal tip and extraluminal sections effectively.
Innovation Solution
An irrigating cannula system with a suction-powered design that includes multiple holes and ridges to facilitate intraluminal suction and irrigation at multiple locations within the tracheostomy tube, allowing for both suction and irrigation to be applied through separate chambers, reducing the need for frequent tube removal and minimizing exposure to pathogens.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual suction catheters are used for tracheostomy tube care, then the device complexity is low, but the productivity of secretion clearance is insufficient and requires frequent interventions
Solution Approach 1:
The inner cannula is divided into multiple sections with different functions: a first section with holes for intraluminal suction, a second section with ridges for extraluminal suction, and a third section for irrigation. This segmentation allows simultaneous multi-location secretion removal, dramatically improving clearance efficiency without requiring multiple separate devices
Solution Approach 2:
The patent combines multiple suction functions (intraluminal and extraluminal) and irrigation capability into a single integrated cannula system. The inner cannula merges secretion removal from both inside and outside the tube along with irrigation capability, reducing the need for multiple separate interventions and improving overall productivity
2Reliability
If frequent catheter-based intraluminal suctioning is performed, then the reliability of airway clearance is improved, but the patient experiences increased discomfort and anxiety
Solution Approach 1:
The irrigation function delivers fluid to the tracheostomy tube before suctioning occurs, pre-lubricating and softening secretions. This preliminary action makes subsequent suctioning less traumatic and uncomfortable for the patient while maintaining reliable airway clearance
Solution Approach 2:
Irrigation fluid serves as an intermediary substance between the suction catheter and the secretions. It mediates the interaction by lubricating and softening secretions, reducing the direct mechanical trauma of suctioning while maintaining effective secretion removal
3Reliability
If conventional suction methods are used, then the device complexity is low, but the reliability of preventing infection and clogging is insufficient
Solution Approach 1:
The ridges on the inner cannula create multiple separate suction regions (first, second, and third regions) that can independently remove secretions from different locations. This segmentation prevents secretions from accumulating in any single area, reducing clogging risk and improving infection prevention reliability
Solution Approach 2:
Different sections of the inner cannula have different local properties: the first section has holes for intraluminal access, the second section has ridges for extraluminal access, and the third section is configured for irrigation. These localized quality differences enable comprehensive secretion removal from all critical areas, enhancing infection prevention
4Productivity
If single-location suction is performed, then the device complexity is low, but the productivity of comprehensive secretion clearance is insufficient
Solution Approach 1:
The inner cannula is segmented into multiple functional sections with holes at different locations and ridges creating separate suction regions. This allows simultaneous secretion removal from intraluminal, extraluminal, and subglottic areas, dramatically improving comprehensive clearance productivity
Solution Approach 2:
The single inner cannula device performs multiple functions: intraluminal suction through holes, extraluminal suction through ridges, subglottic suction, and irrigation. This multi-functionality consolidates what would otherwise require multiple separate devices into one universal tool, improving comprehensive secretion clearance efficiency
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enables effective and safe intraluminal suction and irrigation, reducing the risk of infection, discomfort, and clogging, while allowing for more efficient secretion clearance and improved patient autonomy, with the option to use existing suction systems.
Implementation Method 1
suction-powered design that includes multiple holes and ridges to facilitate intraluminal suction and irrigation
Implementation Method 2
irrigation and suction to be applied through separate chambers
Data Source
AI summary
An irrigating intraluminal suction inner cannula system for a tracheostomy tube may be a suction-powered system that may be used for suction alone or a combination of rinse and intraluminal suction for tracheostomy tubes in place of conventional catheter-based intraluminal suction. An inner cannula includes chambers, or regions, and holes that facilitate intraluminal suction and cleaning at multiple locations within the tracheostomy tube. It may be applied/actuated by a patient, healthcare worker, caretaker, or via an electronic system either on-demand or on regular or triggered intervals, in either inpatient/hospital or outpatient/ambulatory care setting.