Pelvic Floor Muscle Training System with Biofeedback

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Solution Overview

Problem

Individuals with weak or unconditioned pelvic floor muscles face challenges in identifying the correct muscles to contract and maintaining contractions long enough for effective exercise, leading to issues like incontinence and sexual dysfunction, and existing devices lack regulated muscle stimulation and interactive feedback to address these issues effectively.

Innovation Solution

A system combining muscle stimulation with biofeedback and interactive games, featuring a firewall between stimulation and feedback components to ensure safe and optimal muscle education, with adjustable stimulation levels based on individual characteristics and conditions, and a visualization tool to enhance muscle memory and engagement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If individuals perform voluntary Kegel exercises to strengthen pelvic floor muscles, then muscle tone may be improved, but individuals often cannot identify the correct muscles or maintain contraction long enough to be beneficial

Engineering Contradiction:
Improvemuscle toneVSAvoidmuscle identification and contraction control
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The device incorporates a biofeedback portion that provides real-time feedback to the user about muscle contraction status. Sensors detect electrical signals from the pelvic floor muscles and translate them into visual or auditory feedback, allowing users to learn proper muscle identification and contraction techniques. This feedback loop enables users to see when they are correctly engaging the target muscles and maintain contractions for the necessary duration.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The device replaces the purely mechanical voluntary contraction method with an electrical stimulation system. The stimulation portion delivers controlled electrical impulses to the pelvic floor muscles through electrodes, causing muscle contractions without requiring the user to manually identify or control the muscles. This substitution allows for precise control of contraction intensity and duration while the user learns through biofeedback.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If individuals perform Kegel exercises consistently to improve muscle control, then incontinence and sexual dysfunction may be reduced, but individuals often forget to perform exercises or lose interest

Engineering Contradiction:
Improvemuscle controlVSAvoidexercise consistency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The biofeedback portion provides immediate reinforcement when users successfully contract the correct muscles for the required duration. The system tracks exercise performance and provides visual feedback showing progress, which motivates continued use. This gamified approach with progress tracking helps maintain user engagement and ensures consistent exercise performance.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The device implements structured exercise programs with periodic stimulation patterns. The stimulation portion delivers electrical impulses in predetermined sequences with specific timing and duration. This periodic structure guides users through complete exercise cycles, ensuring they perform contractions for the necessary length of time while making the routine easier to follow and maintain consistency.

Inventive Principle:
Principle #19Periodic action

3Strength

If electrical stimulation is used to strengthen pelvic floor muscles, then muscle tone can be improved, but the amount of stimulation required for safe and optimal muscle education must be precisely determined

Engineering Contradiction:
Improvemuscle toneVSAvoidstimulation regulation system
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The device uses a closed-loop control system where the biofeedback portion continuously monitors muscle response to stimulation. The system detects electrical signals from the muscles and uses this information to automatically adjust stimulation parameters. This feedback mechanism ensures that stimulation remains within safe and effective ranges, adapting to the user's individual muscle response and progress without requiring complex manual programming.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The stimulation system is designed to automatically determine and adjust the appropriate stimulation levels based on real-time muscle feedback. The device self-regulates the stimulation parameters by monitoring the user's muscle electrical activity and adapting the intensity and duration accordingly. This self-adjusting capability eliminates the need for complex external programming while ensuring safe and optimal stimulation levels for each user.

Inventive Principle:
Principle #25Self-service

4Productivity

If a system combines muscle stimulation with biofeedback and interactive games, then user engagement and exercise consistency improve, but the device complexity increases

Engineering Contradiction:
Improveexercise consistencyVSAvoidsystem integration
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The device integrates three distinct functions into a single unified system: the stimulation portion for electrical muscle stimulation, the biofeedback portion for real-time muscle monitoring, and the interactive game component for user engagement. These components communicate through a shared processor and memory system, allowing them to work together seamlessly. The processor coordinates stimulation delivery, monitors muscle responses, and updates game states based on performance, creating a cohesive system that motivates consistent use while managing complexity through integrated design.

Inventive Principle:
Principle #5Merging (Combining)

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 provides regulated muscle stimulation and interactive feedback, encouraging consistent exercise and improving muscle tone and control, thereby reducing incontinence and enhancing sexual function by tailoring stimulation to individual needs and conditions.

Implementation Method 1

a transducer in electrical communication with the probe and configured to receive electrical signals that are produced by the body when muscles contract

Methodology Applied
Scientific EffectElectrical signal detection: Conduction (electrical)

Implementation Method 2

a stimulator in electrical communication with the processor and in electrical communication with a plurality of electrodes, the stimulator configured to provide a stimulation signal to a user

Methodology Applied
Scientific EffectElectrical muscle stimulation: Electromechanical Film

Data Source

PatentUS10646711B2Interactive muscle training system and method
Publication Date: 2020.05.12 REIDER BRENT C
  • US10646711B2 patent drawing
  • US10646711B2 patent drawing
  • US10646711B2 patent drawing

AI summary

A system for educating a given muscle group of a user is provided. A muscle stimulation portion is configured to provide electrical stimulation which causes the muscle group to contract. A biofeedback portion is configured to monitor for muscular contractions of the muscle group. The muscle stimulation and biofeedback portions are provided on a common probe but are electrically separated from one another. The biofeedback and muscle stimulation portions provide signals to an electronic display to generate a first visualization representing the desired outcome of the provided stimulation when the muscle stimulation portion is active and a second visualization representing the muscular contractions detected when the biofeedback portion is active.