Strap-on Condom Retention via Waist-Mounted Straps

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Solution Overview

Problem

Existing condom devices often fail to securely retain the condom during intercourse, leading to potential dislodgment and reduced effectiveness in preventing sexually transmitted diseases.

Innovation Solution

A condom device featuring a pair of straps extending from the condom, with mating members that form a closed loop around the user's waist, utilizing hook and loop fasteners to ensure the condom remains in place during sexual activity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a condom is worn during intercourse, then protection against sexually transmitted diseases is provided, but the condom may fall off during use

Engineering Contradiction:
Improvecondom retentionVSAvoidcondom application
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The retention system is divided into separate components: a condom, multiple straps, and mating members. This segmentation allows the retention function to be added without modifying the condom structure itself, maintaining ease of application while improving retention reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Straps with mating members serve as intermediary elements between the condom and the user's body. These intermediaries provide the retention function by anchoring the condom to the waist, eliminating the need for direct modification of the condom while ensuring reliable retention.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If straps are added to prevent condom dislodgment, then condom retention is improved, but device complexity increases

Engineering Contradiction:
Improvecondom retentionVSAvoidstructure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The straps are designed to be flexible and adjustable, allowing dynamic adaptation to different user body sizes and shapes. The mating members can be engaged and disengaged easily, providing a dynamic retention system that maintains reliability without requiring a complex fixed structure.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The straps utilize flexible materials that can conform to the user's waist, providing effective retention without rigid or complex structural elements. This flexibility reduces device complexity while maintaining the reliability of condom retention.

Inventive Principle:
Principle #30Flexible shells and thin films

Data Source

PatentUS12150887B2Strap-on condom assembly
Publication Date: 2024.11.26 COSBY ROBERT
  • US12150887B2 patent drawing
  • US12150887B2 patent drawing
  • US12150887B2 patent drawing

AI summary

A strap-on condom assembly for inhibiting a condom from falling off during intercourse includes a condom that is wearable on a user's penis during intercourse to protect against the transmission of sexually transmitted diseases. A first strap is coupled to the condom and the first strap can be extended around the user's waist when the condom is being worn. A second strap is coupled to the condom and the second strap can be extended around the user's waist when the condom is being worn. The second strap is matable to the first strap to inhibit the condom from falling off of the user's penis during intercourse.