Rotating Cylinders with Interlocking Sheets for Animal Hair Removal
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Solution Overview
Problem
Existing methods for removing animal hair from skin are inefficient and can damage the underlying tissue, particularly for coarse, tightly bound bristles, and are not suitable for producing medical devices like acellular tissue matrices due to high temperatures or insufficient pulling force.
Innovation Solution
A device comprising cylindrical bodies that rotate in opposite directions with interlocking flexible sheets to create an elongated pinch point, providing sufficient friction and pulling force for efficient hair removal, including the root, without damaging the tissue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If normal waxes or procedures used for human hair removal are applied to animal skin, then the process is simple and familiar, but the hair cannot be effectively removed because animal hair is thicker and more strongly bound
Solution Approach 1:
The invention changes the parameters of the hair removal mechanism by using a mechanical pinching and pulling system with controlled force application, transitioning from chemical/adhesive methods (waxes) to a mechanical system that applies sufficient force to overcome the stronger binding of animal hair follicles
Solution Approach 2:
The device uses rotating cylindrical bodies that create dynamic motion to apply continuous pulling force on the hair, transforming the static application of waxes into a dynamic mechanical process that systematically removes hair through rotation and pinching action
2Productivity
If high-temperature processes are used to remove animal hair, then hair removal is effective, but the extracellular matrix of the tissues is altered making it unsuitable for medical use
Solution Approach 1:
The invention replaces thermal processes with a mechanical system that uses rotating cylinders and pinching force to remove hair, eliminating the need for high temperatures that would damage the extracellular matrix while maintaining effective hair removal capability
Solution Approach 2:
The mechanical pinching system acts as an intermediary between the hair follicle and the tissue, applying force selectively to the hair structure without transferring thermal energy to the surrounding tissue, thus protecting the extracellular matrix from damage
3Productivity
If sufficient force is applied to remove tightly bound animal bristles, then complete hair removal including root is achieved, but the risk of tissue damage increases
Solution Approach 1:
The device applies force locally and selectively to the hair structure through the pinching mechanism, concentrating the mechanical action on the hair shaft and root while the surrounding tissue remains unaffected, enabling complete removal without compromising tissue integrity
Solution Approach 2:
The rotating cylindrical bodies create a dynamic pinching action that progressively pulls hair out through controlled motion, allowing sufficient force to be applied over time to remove tightly bound bristles while the continuous motion prevents excessive localized stress on the tissue
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 device enables rapid and effective removal of coarse animal hair, preserving the integrity of the skin for medical device production by generating sufficient mechanical force to pull out hair without altering the extracellular matrix.
Implementation Method 1
interlocking textured surfaces that form an elongated pinch point to produce a pulling force on an object positioned between the first and second cylindrical bodies
Data Source
AI summary
Devices and methods for removal of animal hair are provided. The devices and methods can include one or more rotating bodies that form pinch regions for mechanical removal of animal hair.