Grooved Optical Probe for Uniform Tissue Light Diffusion

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Solution Overview

Problem

Conventional light transfer devices for tissue treatment face challenges in achieving even light diffusion and transfer to lumen or tubular tissues, leading to uneven temperature distribution and potential thermal damage.

Innovation Solution

An optical transfer device with a light divergence part at the end of the optical probe and a coating part with multiple grooves on its surface, designed to diffuse light evenly and minimize forward light transfer, thereby reducing thermal damage and enhancing treatment efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If light is emitted directly through an optical fiber probe to treat tissue, then treatment efficiency is improved, but light diffusion becomes uneven and thermal damage occurs

Engineering Contradiction:
Improvetreatment efficiencyVSAvoidthermal damage
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The patent modifies the physical parameters of the optical fiber end face by creating grooves with specific dimensions (depth, width, spacing) to change light diffusion characteristics. This transforms the uniform end face into a structured surface that controls light distribution patterns, achieving both efficient treatment and reduced thermal damage through parameter optimization

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The grooves created on the optical fiber end face form a porous-like structure that scatters and diffuses light in multiple directions. This structured surface acts similarly to porous materials by creating multiple light paths and diffusion zones, improving light distribution uniformity while maintaining treatment efficiency

Inventive Principle:
Principle #31Porous materials

2Reliability

If a coating agent is applied to protect the optical fiber probe, then probe protection is improved, but heat insulation prevents overheating control

Engineering Contradiction:
Improveprobe protectionVSAvoidoverheating control
Core Design Contradiction:
ReliabilityVSTemperature

Solution Approach 1:

The patent applies different properties to different regions: the coating agent provides protection and heat insulation where needed, while the grooved regions create controlled heat dissipation pathways. This local differentiation allows the coating to protect the probe while preventing dangerous overheating through strategic heat management zones

Inventive Principle:
Principle #3Local quality

3Productivity

If light is transferred laterally using an optical fiber probe, then tissue treatment is improved, but light diffusion becomes uneven due to refractive index and surface structure

Engineering Contradiction:
Improvetissue treatmentVSAvoidlight diffusion uniformity
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The patent segments the uniform optical fiber end face into multiple grooved regions, dividing the light transmission path into controlled segments. This segmentation creates multiple small light sources distributed across the end face, improving lateral light diffusion uniformity while maintaining overall treatment effectiveness

Inventive Principle:
Principle #1Segmentation

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 achieves wide and even light diffusion to the tissue, minimizing thermal damage and ensuring a consistent optical reaction, while also preventing overheating of the optical fiber probe.

Implementation Method 1

the light diffusion part having multiple grooves formed thereon... wide and even light is diffused and transferred to the tissue

Methodology Applied
Scientific EffectLight diffusion: Diffusion

Implementation Method 2

a partial heat-insulating effect is generated at a place of contact between the tissue and the optical transfer device... preventing overheating of the optical fiber probe

Methodology Applied
Scientific EffectThermal insulation: Thermal Insulation

Data Source

PatentUS12242097B2Optical transfer device for tissue treatment
Publication Date: 2025.03.04 PUKYONG NAT UNIV IND ACADEMIC COOPERATION FOUND
  • US12242097B2 patent drawing
  • US12242097B2 patent drawing
  • US12242097B2 patent drawing

AI summary

The present disclosure relates to an optical transfer device for tissue treatment. An optical transfer device of the present disclosure includes an optical probe having a light divergence part at the longitudinal end thereof, and a coating part configured to surround the optical probe, wherein the coating part includes a light diffusion part formed at the end thereof configured to cover the light divergence part, the light diffusion part having multiple grooves formed thereon.