Loading Dilator Inflatable Transition Balloon Stoma Trauma
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Solution Overview
Problem
Conventional loading dilators often result in a significant diametrical transition between the dilator and tracheostomy tube, leading to insertion difficulties and increased trauma to the patient due to differences in diameter between available dilators and tracheostomy tubes.
Innovation Solution
A loading dilator with an inflatable transition balloon at the distal end, which can be inflated to create a smooth diametrical transition between the dilator and the tracheostomy tube, accommodating a range of tube diameters and minimizing trauma during insertion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional loading dilators with fixed diameter are used, then the dilator structure is simple and easy to manufacture, but a significant diametrical transition occurs between the dilator and tracheostomy tube, causing insertion difficulties and increased patient trauma
Solution Approach 1:
The dilator incorporates an inflatable balloon at its distal end that can be expanded to different diameters. This dynamic structure allows the dilator to adapt its diameter to match the tracheostomy tube being inserted, eliminating the fixed diameter limitation and creating a smooth transition that reduces insertion trauma while maintaining structural feasibility
Solution Approach 2:
The dilator's effective diameter parameter is made variable through the inflatable balloon mechanism. By changing the balloon's inflation state, the dilator can adjust its diameter to match different tracheostomy tube sizes, thereby eliminating the harsh diametrical transition caused by fixed-diameter dilators and improving insertion ease
2Adaptability or versatility
If a single fixed-diameter dilator is used, then the device is simple and cost-effective, but it cannot accommodate tracheostomy tubes of various diameters, reducing versatility
Solution Approach 1:
The dilator with inflatable balloon serves multiple functions: it can accommodate tracheostomy tubes of various diameters by adjusting the balloon inflation level, and it provides a smooth transition surface for insertion. This single device replaces the need for multiple fixed-diameter dilators, achieving universality while maintaining reasonable design complexity
Solution Approach 2:
The inflatable balloon provides dynamic adaptability, allowing the dilator to adjust its diameter to match different tracheostomy tube sizes. This dynamic characteristic enables the single dilator to accommodate various tube diameters, significantly improving versatility without requiring a suite of different dilators
3Ease of operation
If the dilator diameter is made smaller to fit through the stoma, then insertion is easier, but a larger lip forms at the transition to the tracheostomy tube, increasing trauma
Solution Approach 1:
The dilator uses parameter change (balloon inflation) to resolve the trauma issue. The balloon is inflated to create a smooth diametrical transition that eliminates the lip formation at the junction between dilator and tracheostomy tube. This allows the dilator to pass through the stoma while maintaining a smooth transition that reduces tissue trauma
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 inflatable transition balloon facilitates a smooth and non-traumatic insertion of the tracheostomy tube by adjusting to the diameter of the tracheostomy tube, reducing patient trauma and increasing the versatility of the dilator for use with various tube sizes.
Implementation Method 1
The dilator body has an inflatable balloon disposed along an outer surface at the distal end, the balloon being inflatable to a configuration such that a generally smooth diametrical transition is formed between the elongated dilator body and a leading end of the medical apparatus
Data Source
AI summary
A loading dilator for positioning a medical apparatus across a stoma formed in a body wall of a patient. The medical apparatus, such as a tracheotomy tube, is sized to fit over a portion of the loading dilator during positioning of the apparatus across the stoma. The loading dilator includes an elongated dilator body having a tapered distal end for facilitating entry into the stoma. The dilator body has an inflatable balloon disposed along an outer surface at the distal end. The balloon is inflatable to a configuration such that a generally smooth diametrical transition is formed between the elongated dilator body and a leading end of the medical apparatus when the medical apparatus is fit over the loading dilator.