Proprioceptive Shaver Grip for Controlled Intimate Grooming
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Solution Overview
Problem
Existing shaving devices lack proprioceptive feedback, making them unsafe for use in intimate areas due to insufficient awareness of the position and movement of the body parts controlling the razor head.
Innovation Solution
A proprioceptive shaver design that provides multiple points of contact with the user's hand, particularly at the metacarpophalangeal joint, proximal interphalangeal joint, and distal inferior phalanges, creating unique leverage and enhanced proprioception for controlled razor movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a typical razor is used for shaving, then the shaving function is achieved, but the user lacks awareness of the position and movement of the body parts controlling the razor head
Solution Approach 1:
The patent applies feedback by incorporating multiple contact points with the user's hand (fingertips, palm, and wrist) that provide continuous proprioceptive feedback about the position and movement of the razor head. This feedback loop allows the user to sense the exact location and motion of the blade through tactile sensation, resolving the information loss about body part position while maintaining ease of operation through intuitive control.
2Reliability
If the razor head is moved without proprioceptive feedback, then the shaving process can be completed, but safety is compromised in intimate areas
Solution Approach 1:
The patent segments the feedback mechanism into multiple discrete contact points distributed across the hand (fingertips, palm, wrist). Each contact point provides specific proprioceptive information about different aspects of razor head position and movement. This segmentation allows comprehensive safety monitoring without requiring a single complex feedback system, thereby improving reliability while managing device complexity through modular design.
3Loss of information
If multiple contact points are provided for proprioceptive feedback, then awareness of razor position is enhanced, but the device structure becomes more complex
Solution Approach 1:
The patent applies multi-functionality by designing the contact points to serve multiple purposes: they provide proprioceptive feedback about razor position, guide hand movement, and ensure proper ergonomics. The same contact points that deliver information also function as natural guides for hand placement and movement, reducing the need for separate guidance mechanisms and thereby limiting the increase in device complexity while maximizing information delivery.
Data Source
AI summary
A proprioceptive shaver for shaving/grooming intimate areas. The proprioceptive shaver for shaving one or more portions of a body includes a main body having a first end and a second opposing end, a user engagement member designed to provide multiple points of contact with a user's hand when in use, and a shaving assembly having a razor head having at least one or more cutting surfaces. The multiple points of contact may include areas at or near the metacarpophalangeal joint, proximal interphalangeal joint and distal inferior phalange of the user's hand.