Perforated Metal Aneurysm Clip Tray for Faster Sterilization

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Solution Overview

Problem

Existing trays for storing aneurysm clips, both plastic and metal, face challenges in sterilization efficiency and manufacturing complexity and cost.

Innovation Solution

A method involving a stainless steel, titanium alloy, or anodized aluminum metal plate with laser-cut perforations, reshaped into a corrugated or trapezoidal sheet with channel-like indentations for easy sterilization and manufacturing, featuring plug-in walls for customizable compartmentalization.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If plastic trays are used for storing aneurysm clips, then manufacturing is simple and cost-effective, but complete drying after washing or sterilizing requires great effort with long drying time and high drying energy expenditure

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoiddrying time
Core Design Contradiction:
Ease of manufactureVSLoss of time

Solution Approach 1:

The tray is made from metal material with a perforation pattern that creates a porous structure. This porous design allows liquid to drain through the tray rather than collect on the surface, enabling complete drying after washing or sterilizing without requiring extended drying time or high energy expenditure.

Inventive Principle:
Principle #31Porous materials

Solution Approach 2:

The invention changes the material parameter from plastic to metal and introduces a specific perforation pattern with controlled hole distribution. This parameter change transforms the tray's liquid interaction properties, allowing rapid drainage and evaporation while maintaining structural integrity and sterilization compatibility.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If metal trays are used for storing aneurysm clips, then sterilization is easier and dimensional stability is improved, but manufacture becomes intricate and cost-intensive

Engineering Contradiction:
Improvesterilization easeVSAvoidmanufacturing complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The invention replaces complex mechanical manufacturing processes with laser technology. Laser cutting enables precise perforation patterns to be created on metal trays efficiently, reducing manufacturing intricacy and cost while maintaining the dimensional stability and sterilization ease associated with metal materials.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The invention changes the manufacturing approach by introducing laser cutting technology with specific parameters (perforation size, distribution, and pattern). This allows metal trays to be manufactured with controlled perforation patterns that facilitate drainage and sterilization without requiring intricate manual fabrication processes.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If a high perforation ratio is achieved through traditional punching methods, then liquid drainage is improved, but the perforation pattern is limited and tray stability may be compromised

Engineering Contradiction:
Improveliquid drainage efficiencyVSAvoidperforation pattern complexity
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The invention replaces traditional mechanical punching methods with laser cutting technology. This substitution enables the creation of complex, intricate perforation patterns with high precision that would be impossible to achieve through punching, while maintaining high perforation ratios for efficient liquid drainage.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The invention changes the manufacturing method to laser cutting with controlled parameters (laser power, speed, focal position, gas flow). This allows precise control over perforation size, shape, and distribution, enabling intricate patterns that maximize drainage efficiency while preserving tray structural stability.

Inventive Principle:
Principle #35Parameter changes

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 easy sterilization and cost-effective manufacturing of a stable tray for aneurysm clips with reduced liquid collection and improved rinsing, while maintaining dimensional stability and allowing for easy size variation.

Implementation Method 1

the perforations are produced by laser cutting

Methodology Applied
Scientific EffectLaser: Laser

Implementation Method 2

the perforations are produced by laser cutting

Methodology Applied
Scientific EffectLaser ablation: Laser Ablation

Data Source

PatentUS12042153B2Method for producing a tray for storing aneurysm clips, and tray for storing aneurysm clips
Publication Date: 2024.07.23 AESCULAP AG
  • US12042153B2 patent drawing
  • US12042153B2 patent drawing
  • US12042153B2 patent drawing

AI summary

A method for producing a tray for storing aneurysm clips, in which a metal plate is equipped with perforations. The perforations are produced by laser cutting. The plate with the perforations is reshaped by bending to form a corrugated sheet or a sheet with trapezoidal corrugations. The sheet has at least one channel-like indentation for storing aneurysm clips. A tray for storing aneurysm clips includes a corrugated sheet or a sheet with trapezoidal corrugations equipped with laser-cut perforations. The corrugated sheet or sheet with trapezoidal corrugations has at least one channel-like indentation.