Sensor-Equipped Laryngoscope for Quantifying Intubation Mechanics
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Solution Overview
Problem
Current training methods for endotracheal intubation lack realistic simulators and quantitative tools to evaluate competency, leading to high failure rates among healthcare professionals, especially inexperienced ones, due to insufficient feedback on force and torque application during the procedure.
Innovation Solution
A sensor-equipped laryngoscope with force and torque sensors that measure and record mechanics data during intubation, providing a system for quantifying performance and comparing data between experts and trainees to establish objective competency standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional training methods using plastic models or manikins are used, then training can be conducted without risk to patients, but the training lacks realistic anatomic features and quantitative feedback, resulting in high failure rates among trainees
Solution Approach 1:
The patent incorporates sensors that provide real-time feedback to trainees about the forces and torques they apply during intubation procedures. This feedback mechanism allows trainees to understand and correct their technique, improving training effectiveness while maintaining patient safety through the use of simulators.
Solution Approach 2:
The patent replaces traditional mechanical training models with sensor-equipped simulators that can measure and quantify mechanical forces. This substitution transforms qualitative training into quantitative training, enabling precise measurement of trainee performance and providing actionable feedback.
2Reliability
If more intensive clinical supervision and hands-on experience are provided to residents, then competency in intubation can be improved, but training guidelines restrict the amount of intensive care experience residents can obtain
Solution Approach 1:
The patent creates realistic copies of clinical intubation scenarios using high-fidelity simulators equipped with sensors. These copies allow residents to practice extensively without consuming limited clinical time, as the simulators can replicate various patient conditions and anatomical variations that would be difficult to encounter during restricted clinical rotations.
Solution Approach 2:
The patent enables residents to perform preliminary practice on sensor-equipped simulators before actual clinical procedures. This preliminary action allows residents to develop and refine their skills in a risk-free environment, reducing the need for extensive supervised clinical practice and maximizing the utilization of limited training time.
3Measurement precision
If sensor-equipped laryngoscopes are used to measure forces and torques, then objective competency standards can be established, but the device complexity and cost increase
Solution Approach 1:
The patent designs sensor-equipped laryngoscopes that can serve multiple functions: standard intubation procedure, force measurement, torque measurement, and data recording. By making the device universal, the additional measurement capabilities are integrated into an existing clinical tool rather than requiring separate specialized equipment, thereby reducing overall system complexity.
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 objective evaluation of intubation mechanics, reducing training time and errors by providing real-time feedback, thus improving the acquisition and maintenance of necessary skills for successful endotracheal intubation.
Implementation Method 1
The sensor is mechanically coupled to the blade portion such that the sensor is responsive to forces applied to the blade portion for measuring the forces applied to the blade portion
Data Source
AI summary
A sensor-equipped laryngoscope may be used in a system and method for quantifying intubation performance. The level of experience of health care professionals (HCPs) plays a role in the application of force and torque applied to the laryngoscope during endotracheal intubation on an airway simulator, such as a manikin or animal model (e.g., a ferret). A sensor-equipped laryngoscope may provide data that differentiates the mechanics applied by subject matter experts (SMEs) (e.g., neonatologists) from those by novices or trainees during intubation, particularly on infant or neonatal airway simulators. A laryngoscope may be equipped with one or more sensors (e.g., force/torque sensors, accelerometers, and gyroscopes) to record force, torque, and/or three-dimensional motion during endotracheal intubation. The sensor-equipped laryngoscope may then be used to record intubation mechanics (e.g., during an infant airway simulated intubation) for both SMEs and trainees.