Auditory Hypothermia Headwear With OAE Feedback Control
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Solution Overview
Problem
Current devices and systems for applying hypothermic therapy to the human auditory system are not commercially available, limiting the potential therapeutic benefits of Mild Therapeutic Hypothermia (MTH) for treating auditory trauma and noise-induced hearing loss.
Innovation Solution
A thermal therapy system comprising a thermal energy transducer, stimulus transducer, and receiver transducer, controlled by a processor, is used to apply localized hypothermia therapy to the human auditory system, with feedback mechanisms to adjust thermal energy based on otoacoustic emissions and physiological variables.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If passive thermal devices (ice packs) are used, then the system is simple, but the control precision and therapeutic effectiveness are insufficient
Solution Approach 1:
The patent replaces passive mechanical thermal devices (ice packs) with active thermoelectric transducers that use electrical energy to precisely control heat transfer. This substitution enables programmable temperature control and real-time adjustment, resolving the contradiction between simplicity and precision by using electronic control systems that are easier to program and adjust than complex mechanical control mechanisms.
Solution Approach 2:
The patent employs thermoelectric transducers that can dynamically change thermal parameters (heat transfer rate, temperature level) through electrical control. This allows precise adjustment of therapeutic parameters without changing the physical structure of the device, thereby achieving high temperature control precision while maintaining relative system simplicity through electronic parameter modulation.
2Object-affected harmful factors
If generalized thermal therapy is applied, then the treatment coverage is broad, but the localized therapeutic effect is reduced
Solution Approach 1:
The patent applies local quality by positioning thermoelectric transducers to create specific heat transfer zones at targeted locations in the auditory system. The system can selectively apply thermal therapy to specific structures (cochlea, vestibule, auditory nerve) while leaving other areas unaffected, thereby achieving both localized precision and comprehensive protective coverage through multiple strategically placed transducers.
3Reliability
If thermal therapy is applied without feedback control, then the system is simple to operate, but the therapeutic effectiveness and safety are compromised
Solution Approach 1:
The patent implements feedback control by monitoring otoacoustic emissions (OAEs) and physiological variables during thermal therapy. The system uses this feedback information to automatically adjust thermal energy application, ensuring optimal therapeutic effectiveness while preventing overheating or inadequate treatment. This feedback mechanism resolves the contradiction by using automated control algorithms that reduce the need for complex manual monitoring and adjustment procedures.
4Reliability
If commercial thermal therapy systems are used, then the technology is proven, but none exist for auditory system hypothermia
Solution Approach 1:
The patent achieves reliability by adapting proven thermoelectric transducer technology and feedback control principles from other medical thermal therapy applications to the auditory system. The system uses established scientific principles (thermoelectric effect, otoacoustic emission monitoring) that have been validated in other contexts, thereby providing a reliable therapeutic approach without requiring entirely new unproven technology, thus facilitating easier development and manufacturing.
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 effectively applies controlled thermal therapy to the auditory system, improving procedural outcomes and reducing auditory trauma by using active thermal transducers and feedback control for precise temperature management.
Implementation Method 1
A thermal energy transducer is operable to cause a flow of thermal energy toward or away from a portion of a head of a human patient in the vicinity of an ear of the patient
Implementation Method 2
An alternative stimulus signal may be imparted by a mechanical device and conducted through bone and/or tissue toward the ear center
Implementation Method 3
A receiver transducer can receive an otoacoustic emission (OAE) from the ear responsive to the stimulus signal
Implementation Method 4
A workable thermoelectric device includes Peltier heat pumps
Data Source
AI summary
An assembly 100 to provide thermal therapy to a human auditory system includes a thermal transducer 125, a stimulus transducer 120, 135, a receiver 130, and a processing device 145. Some or all of the individual components may be carried in headwear. The thermal transducer 125 applies hypothermic temperature conditions to an area of the head near an ear. The stimulus transducer 120, 135 applies a stimulus signal, and the receiver 130 detects otoacoustic emission (OAE) responsive to the stimulus signal. The processor 145 compares the received OAE signal to a reference. Discrepancy between the OAE and reference is used in a feedback loop to control operation of the system 100.