Continuous Wire Nail Correction Clip Design

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Solution Overview

Problem

Existing nail correction clips are complex to manufacture and handle, leading to inefficiencies in treating curved toenails, which often cause pain and prolonged recovery due to their design and material limitations.

Innovation Solution

A clip part formed from a continuous wire with a straight central section merging directly into a clamping hook section, featuring a retaining ring and an ergonomically shaped arcuate tensioning hook, allowing for easy production and precise application, using high-grade steel for durability and versatility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If traditional nail correction clips with separate wire sections and complex bending are used, then the structural flexibility and gripping capability are improved, but the manufacturing complexity and production time increase

Engineering Contradiction:
Improvegripping capabilityVSAvoidmanufacturing complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent merges multiple wire sections into a single continuous wire that is bent into the final configuration. The wire is formed as one continuous piece with integrated components including the gripping element, central section, and retaining ring, eliminating the need for separate wire sections and complex assembly operations while maintaining structural flexibility and gripping capability

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The wire is pre-bent into the final configuration during manufacturing, including the arc-shaped gripping section, straight central section, and circular retaining ring. This preliminary formation of the complete structure allows for simplified production and assembly, as the entire clip is prepared in advance as a single integrated component

Inventive Principle:
Principle #10Preliminary action

2Stability of the object's composition

If traditional nail correction clips with multiple wire sections and fastening elements are used, then the structural stability is improved, but the production cost and manufacturing time increase

Engineering Contradiction:
Improvestructural stabilityVSAvoidproduction efficiency
Core Design Contradiction:
Stability of the object's compositionVSProductivity

Solution Approach 1:

The patent combines multiple separate wire sections and fastening elements into a single continuous wire structure. The wire is bent to form an integrated assembly including the gripping element, central section, and retaining ring, eliminating the need for separate components and fastening operations, thereby improving production efficiency while maintaining structural stability

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

While using a single continuous wire, the patent segments the wire into functional sections through bending: a gripping element with arc-shaped wire, a straight central section, and a circular retaining ring. This segmentation provides structural stability and functional differentiation without requiring separate wire pieces or complex assembly

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If nail correction clips are designed with complex multi-section wire structures, then the adaptability to different nail sizes is improved, but the ease of manufacture and handling deteriorates

Engineering Contradiction:
Improveadaptability to nail sizesVSAvoidease of production
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The patent merges all wire sections into a single continuous wire that is bent into the final configuration. This integrated structure can be manufactured using a single wire drawing and bending process, improving ease of manufacture while the geometric design of the bent wire provides adaptability to different nail sizes through its flexible arc-shaped gripping section and adjustable central span

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 solution enables simple, precise, and cost-effective production of nail correction clips that can be universally applied to various nail sizes, providing effective and pain-free correction of curved nails by distributing tensile forces precisely.

Implementation Method 1

When the central wire section is pressed down onto the nail surface, this leads to an elastic deformation of the wire, resulting in a tensile force being exerted on the end hook

Methodology Applied
Scientific EffectElastic deformation: Elasticity

Data Source

PatentEP4008295A1Clip section for a nail correction clip and method for applying a nail correction clip to a nail to be treated
Publication Date: 2022.06.08 RATHENOW VOLKER
  • EP4008295A1 patent drawingFigure 1~2
  • EP4008295A1 patent drawingFigure 3
  • EP4008295A1 patent drawingFigure 4

AI summary

The present invention relates to a brace component (1) for a nail correction brace, formed from a continuous wire, wherein one wire end is bent into a tension hook section (2) with an arc-shaped wire section (2a) and an end hook (2b) adjoining the end thereof, which can be placed around a lateral edge of a nail (N) to be treated, so that it engages the nail (N), and the other wire end is bent into a retaining ring (3) with several annular, in particular circular, wire coils that define a central through-opening, wherein the wire has a central wire section (4) that extends in a straight line from the retaining ring (3) and transitions directly into the tension hook section (2). The invention further relates to a method for attaching such a nail correction brace.