Pelvic Base Sheath Urine Collection System
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing external male catheters are difficult to apply, especially for males with a recessive penis, often cause pain and injury during removal, and tend to leak, leading to discomfort and skin irritations.
Innovation Solution
The catheter is attached to the pelvic area with a base and a sheath that envelops the penis, featuring a detachable drain tube and a check valve for one-way flow, allowing for secure attachment and easy emptying without disturbing the penis, and includes a secondary sheath for protection and hygiene.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If adhesive or self-sealing external catheters are used on the penis, then urine collection is achieved, but application becomes difficult especially for males with recessive penis and removal causes pain and injury
Solution Approach 1:
The adhesive attachment mechanism is extracted from the catheter and relocated to the pelvic area base. The catheter itself becomes adhesive-free, eliminating the harmful adhesive contact with the penis while maintaining secure attachment through the pelvic base connection.
Solution Approach 2:
The pelvic area base serves as an intermediary attachment point between the body and the catheter system. Instead of directly adhering to the penis, the catheter connects to the base which is secured to the pelvic area, distributing attachment forces away from sensitive penile tissue.
2Reliability
If aggressive adhesive is used to secure the catheter, then the catheter withstands body movement and urine pressure, but pain and damage occur during removal
Solution Approach 1:
The aggressive adhesive is completely removed from the catheter structure. The catheter achieves security through mechanical connection to the pelvic base and friction fit within the sheath, eliminating adhesive-related tissue damage while maintaining positional stability.
Solution Approach 2:
The sheath is designed as a flexible, form-fitting component that provides secure retention through its elastic properties and snug fit around the penis, replacing the need for aggressive adhesive while causing no tissue damage.
3Reliability
If the catheter is securely attached to the penis, then urine collection is reliable, but leakage still occurs and skin irritations develop
Solution Approach 1:
The adhesive element is extracted from the system, eliminating the source of skin irritations and allergic reactions. The catheter maintains security and prevents leakage through mechanical fit and friction rather than chemical adhesion.
Solution Approach 2:
The materials in contact with the penis (sheath interior surface) are designed to be homogeneous, non-irritating, and biocompatible, ensuring no skin reactions while maintaining secure fit through uniform friction and elastic properties.
4Ease of operation
If the catheter structure is simplified for easy application, then ease of use improves, but adaptability to different penis sizes and shapes decreases
Solution Approach 1:
The sheath is constructed from flexible, elastic material that can conform to various penis sizes and shapes. This single flexible component provides universal adaptability without requiring multiple sizes or complex adjustment mechanisms, maintaining both simplicity and versatility.
Solution Approach 2:
The sheath's elastic properties and dimensional parameters are designed to accommodate a range of penis circumferences and lengths. The material's stretchability and recovery characteristics allow it to adapt to different anatomical variations while maintaining secure fit.
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 design provides a secure, leak-proof, and comfortable urine collection system that minimizes discomfort and injury, facilitating easy maintenance and hygiene management.
Implementation Method 1
a check valve for one-way flow
Data Source
AI summary
The urine collection device is designed to be attached to a drain tube. The device may include a base secured to the pelvic area of a wearer, the base having a central opening. Connected to the base is a sheath. The central opening and the sheath can have complementary attachment components whereby the sheath may be attached to the base. The sheath includes an opening and attaches to a drain tube. A second sheath may be disposed outboard of the first sheath and secured to the base in a similar manner. In some embodiments the drain tube may be connected and disconnected from the sheath or sheaths without disturbing the installation of the device. One or more check valves may be included for assuring one-way flow in the drain tube.