Combined Ablation Probe with Ultrasonic Imaging Sensors

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Solution Overview

Problem

Current ultrasound-based imaging systems for interventional cardiac electrophysiology procedures often require separate imaging probes and catheters, making it difficult for physicians to quickly and accurately determine tissue conditions during ablation therapy, and the images obtained can be challenging to interpret without additional imaging systems.

Innovation Solution

A combined ablation and ultrasound imaging probe with a housing having a proximal and distal tip section, featuring an ablation electrode and multiple ultrasonic imaging sensors configured to transmit acoustic waves in different directions, allowing for real-time visualization of anatomical structures and tissue characteristics during procedures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If separate imaging probes and catheters are used, then imaging functionality is provided, but device complexity increases and ease of operation decreases

Engineering Contradiction:
Improveease of operationVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent combines multiple functions (ablation, imaging, mapping) into a single integrated probe. The housing contains both an ablation electrode and ultrasonic imaging sensors, eliminating the need for separate catheters and improving ease of operation during cardiac electrophysiology procedures.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The probe is designed to perform multiple functions simultaneously: ablation of cardiac tissue, ultrasonic imaging of anatomical structures, and electrophysiology mapping. This multi-functionality reduces the number of devices needed and simplifies the procedural workflow.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If multiple ultrasonic imaging sensors transmit acoustic waves in different directions, then visualization accuracy improves, but device complexity increases

Engineering Contradiction:
Improvevisualization accuracyVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The ultrasonic imaging capability is segmented into multiple sensors positioned at different locations and orientations within the housing. Each sensor transmits acoustic waves in a specific direction, and the combined data provides comprehensive three-dimensional visualization of anatomical structures and tissue characteristics.

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

Enables accurate and efficient visualization of anatomical structures and tissue conditions during ablation therapy, facilitating precise placement of the ablation electrode and reducing the need for separate imaging systems, thereby improving procedural accuracy and ease of use.

Implementation Method 1

a first ultrasonic imaging sensor configured to transmit acoustic waves in a first direction distal to the distal tip section; and a plurality of second ultrasonic imaging sensors configured to transmit an acoustic wave in a second direction different from the first direction

Methodology Applied
Scientific EffectUltrasonic imaging: Ultrasound

Data Source

PatentEP2713888B1Ablation probe with ultrasonic imaging capabilities
Publication Date: 2019.09.04 BOSTON SCIENTIFIC SCIMED INC
  • EP2713888B1 patent drawingFigure 1
  • EP2713888B1 patent drawingFigure 2
  • EP2713888B1 patent drawingFigure 3~4

AI summary

Devices and systems for ultrasonically imaging anatomical structures and performing ablation therapy within the body are disclosed. A combined ablation and ultrasound imaging probe includes a housing, an ablation electrode located on a distal tip section of the housing, and a number of ultrasonic imaging sensors configured for visualizing anatomical structures within the body. During an ablation procedure, the ultrasonic imaging sensors can be tasked to generate a number of ultrasonic images that can be displayed as a composite image on a display screen of a user interface.