Integrated Scalp Prep Applicator for Faster EEG Electrode Attachment
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Solution Overview
Problem
The existing method of applying abrasive prep for EEG electrode attachment using cotton-tipped applicators is time-consuming and prone to applicator breakage, posing safety risks and inconvenience, especially for impatient or agitated patients.
Innovation Solution
A squeezable member with a hollow interior containing abrasive solution and a restrictive tip is used to apply prep directly to the scalp, allowing simultaneous dispensing and scrubbing, reducing the need for hand movement and minimizing breakage risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cotton-tipped applicators are used to apply abrasive prep, then the prep can be applied to the scalp, but the process is time-consuming and prone to applicator breakage
Solution Approach 1:
The patent combines the abrasive prep container and applicator into a single integrated unit. The squeezable container holds the abrasive prep and includes an integrated applicator tip, eliminating the need to separately dip and apply the prep. This merging of functions allows the operator to simply squeeze the container to apply the prep directly, significantly reducing the time required and eliminating breakage issues associated with separate applicators.
2Ease of operation
If cotton-tipped applicators are used to apply abrasive prep, then the prep can be applied to the scalp, but the applicator is prone to breakage posing safety risks
Solution Approach 1:
The patent integrates the applicator as a permanent component of the squeezable container rather than a separate disposable tip. This merging ensures the applicator cannot break off and poses no safety risk, while maintaining ease of use through the simple squeeze-to-apply mechanism.
Solution Approach 2:
The entire squeezable container with integrated applicator is designed as a disposable unit. After use, the entire container is discarded, eliminating any reliability concerns about applicator durability since the applicator is never separated or reused. This approach prioritizes safety and reliability over reusability.
3Ease of operation
If repeated hand movements are required to apply prep with cotton-tipped applicators, then the prep can be applied, but the process becomes inefficient and inconvenient
Solution Approach 1:
The patent merges the prep reservoir and applicator into one unit that can be directly squeezed to dispense prep. This eliminates the repeated hand movements required to dip separate applicators into prep containers, allowing continuous application without interruption and significantly improving preparation efficiency.
Solution Approach 2:
The abrasive prep is pre-loaded into the squeezable container during manufacturing. The operator receives a ready-to-use unit that requires no preparation or loading steps, eliminating time-wasting actions and improving overall productivity from the start of the procedure.
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
This method enhances efficiency and safety by eliminating the need for repeated hand movements and reduces the risk of applicator breakage, thereby shortening preparation time and ensuring safer scalp preparation for EEG electrodes.
Implementation Method 1
The objective is to remove oils and dried skin from the location where the electrodes will be attached. In addition, a slight abrasion of the skin allows for low impedance.
Data Source
AI summary
An apparatus and method for preparing the skin of a patient's scalp for attaching electrodes, the method comprising the steps of providing a squeezable member having a hollow interior, wherein a skin abrasive solution is in the interior, wherein the squeezable member includes a restrictive member having a restrictive opening for restricting flow of the skin abrasive solution out of the squeezable member, and an applicator tip through which the solution leaving the restrictive member exits the squeezable member including an interior member and a compressible exterior member having corresponding shapes; squeezing the squeezable member; scrubbing skin portions of the scalp of the patient with the tip; and attaching electrodes to the skin portions of the patient's scalp.