Endoscopic Laser Fiber Position Detection System

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Solution Overview

Problem

Existing medical devices, such as laser fibers, often misfire during minimally invasive procedures due to difficulty in determining the exact position of the laser tip within the endoscopic device, leading to potential damage to the device and increased repair costs.

Innovation Solution

A detection system is introduced that includes a transmitting element and a receiving element, which determine the position of the medical device relative to the endoscopic device. This system uses a light source and a sensor to detect the presence of the medical device at the distal end of the endoscopic device, preventing inadvertent actuation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a camera is added to capture images of the laser head to determine its position, then laser misfiring is prevented, but the device size and complexity increase

Engineering Contradiction:
Improvelaser position detection accuracyVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts the detection function from a complex camera system and implements it using a simple optical sensor that detects the presence or absence of light from the laser fiber. This extraction principle reduces device complexity while maintaining the essential function of detecting laser position to prevent misfiring.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces the mechanical/optical camera system with an electronic sensor-based detection system. Instead of using a camera to capture images and process them mechanically, the system uses an optical sensor to directly detect light presence, substituting a complex mechanical imaging system with a simpler electronic sensing mechanism.

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

2Reliability

If a camera system is added to detect laser position, then misfiring is prevented, but the available space in the endoscopic device is reduced

Engineering Contradiction:
Improvelaser position detection accuracyVSAvoidavailable space in endoscopic device
Core Design Contradiction:
ReliabilityVSVolume of moving object

Solution Approach 1:

The patent extracts only the essential detection function from a full camera system, implementing it with a compact optical sensor. This extraction allows the system to maintain laser position detection capability while occupying minimal space within the endoscopic device, preserving available volume for other components.

Inventive Principle:
Principle #2Taking out (Extraction)

3Ease of operation

If the laser fiber position cannot be determined accurately, then the device can be operated more simply, but misfiring occurs damaging the device

Engineering Contradiction:
Improveease of operationVSAvoiddevice safety
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent implements a self-service detection system where the optical sensor automatically detects the laser fiber position and the control system automatically prevents misfiring based on this detection. The system serves itself by monitoring its own state and taking corrective action without requiring additional manual intervention, thus maintaining ease of operation while improving reliability.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent implements a feedback mechanism where the optical sensor continuously monitors the laser fiber position and provides feedback to the control system. Based on this feedback, the control system automatically enables or disables the laser firing function, creating a closed-loop system that ensures device safety while requiring minimal user input.

Inventive Principle:
Principle #23Feedback

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 detection system effectively prevents misfiring of medical devices by accurately determining their position, reducing the risk of damage to the device and the endoscopic tube, and minimizing repair costs.

Implementation Method 1

A detection system is introduced that includes a transmitting element and a receiving element, which determine the position of the medical device relative to the endoscopic device. This system uses a light source and a sensor to detect the presence of the medical device

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentUS20250151979A1Systems and methods for preventing laser fiber misfiring within endoscopic access devices
Publication Date: 2025.05.15 BOSTON SCIENTIFIC SCIMED INC
  • US20250151979A1 patent drawing
  • US20250151979A1 patent drawing
  • US20250151979A1 patent drawing

AI summary

A system for preventing inadvertent actuation of a medical device. The system includes an elongate tube having a proximal end, a distal end, and a lumen extending from the proximal end to the distal end. The lumen is configured to receive a medical device configured to transition between an actuated state and an inactive state. The device further includes a detection system configured to determine a position of a distal end of the medical device relative to the distal end of the elongate tube. The detection system includes a transmitting element and a receiving element.