RF Tissue Modification with Integrated Visualization

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Solution Overview

Problem

Traditional surgical procedures for addressing herniated discs and other tissue modifications are invasive, causing significant trauma, prolonged recovery times, and post-operative pain, while imaging technologies are cumbersome, require extensive equipment, and struggle with sterility and portability.

Innovation Solution

Development of minimally invasive tissue modification systems with integrated visualization and RF-shielded modules, including hand-held devices with plasma generators for RF tissue modulation, and portable diagnostic tools that minimize tissue disruption and improve imaging accuracy and sterility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional surgical procedures are used for herniated disc removal, then complete tissue removal is achieved, but significant tissue trauma and prolonged recovery occur

Engineering Contradiction:
Improvetissue removal effectivenessVSAvoidtissue trauma
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent replaces traditional mechanical surgical tools with RF (radiofrequency) energy-based tissue modification. The RF probe delivers electromagnetic energy that selectively heats and modifies targeted tissue, enabling removal or modification of herniated disc material without the mechanical trauma of traditional surgical instruments. This substitution of mechanical action with electromagnetic field application directly reduces tissue damage while maintaining therapeutic effectiveness.

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

Solution Approach 2:

The patent utilizes controlled changes in temperature parameters through RF energy delivery to achieve tissue modification. By precisely controlling the RF power levels and exposure duration, the system creates localized thermal effects that facilitate tissue removal or modification without causing widespread damage. The temperature parameter is carefully regulated to distinguish between therapeutic heating and harmful thermal damage.

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If traditional imaging technologies are used for tissue visualization, then diagnostic capability is provided, but equipment complexity and lack of portability occur

Engineering Contradiction:
Improvetissue visualization accuracyVSAvoidequipment complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent combines multiple functions into a single integrated device: the RF tissue modification probe integrates visualization capabilities (such as fluorescence imaging or optical coherence tomography) directly onto the working end. This merging of diagnostic and therapeutic functions into one portable device eliminates the need for separate complex imaging equipment, reducing overall system complexity while maintaining high diagnostic accuracy during the procedure.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The integrated visualization system on the RF probe provides real-time self-service imaging during the procedure, eliminating the need for external imaging equipment and operators. The device autonomously captures and processes images at the tissue level, providing immediate feedback without requiring additional complex imaging infrastructure.

Inventive Principle:
Principle #25Self-service

3Object-affected harmful factors

If minimally invasive procedures are implemented, then tissue disruption is reduced, but imaging accuracy may be compromised

Engineering Contradiction:
Improvetissue disruptionVSAvoidimaging accuracy
Core Design Contradiction:
Object-affected harmful factorsVSMeasurement precision

Solution Approach 1:

The patent employs advanced optical or electromagnetic intermediaries (such as fluorescent tracers, contrast agents, or optical coherence tomography) that enhance the visualization of tissue structures without requiring invasive mechanical manipulation. These intermediaries allow high-accuracy imaging through minimal tissue disruption by interacting with tissue properties rather than requiring physical access or extensive incisions.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Measurement precision

If integrated visualization elements are added to RF probes, then imaging capability is improved, but device complexity increases

Engineering Contradiction:
Improveimaging capabilityVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent designs the RF probe with multi-functionality, where the same basic probe structure can perform both RF tissue modification and visualization functions. The visualization elements (such as cameras, sensors, or optical components) are integrated into the existing probe architecture rather than adding separate systems, allowing one device to serve multiple purposes. This universal design approach maintains imaging capability while minimizing the increase in overall device complexity.

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

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

These systems enable minimally invasive procedures with reduced recovery times and pain, improved imaging accuracy, and enhanced sterility, while reducing equipment complexity and improving portability and usability in medical settings.

Implementation Method 1

A distal end of the elongated member includes a plasma generator. The minimally invasive RF tissue modulation device is configured to generate a plasma at the plasma generator for a therapeutic duration.

Methodology Applied
Scientific EffectPlasma: Plasma

Implementation Method 2

The methods also include generating a plasma from the plasma generator to deliver RF energy to the internal target tissue site of the subject

Methodology Applied
Scientific EffectRF energy delivery: Electromagnetic Induction

Data Source

PatentUS20220168035A1Tissue visualization and modification devices and methods
Publication Date: 2022.06.02 TRICE MEDICAL INC
  • US20220168035A1 patent drawing
  • US20220168035A1 patent drawing
  • US20220168035A1 patent drawing

AI summary

Aspects of the invention include minimally invasive tissue modification systems. Embodiments of the systems include a minimally invasive access device having a proximal end, a distal end and an internal passageway. Positioned among the distal ends of the devices are a visualization element and an illumination element. Also provided are methods of using the systems in tissue modification applications, as well as kits for practicing the methods of the invention. Internal tissue visualization devices having RF-shielded visualization sensor modules are also provided. Minimally invasive RF tissue modulation devices are provided. In some aspects, the devices include a hand-held control unit and an elongated member. In some aspects, RF tissue modulation devices are provided and include an adapter that operably couples to a hand-held medical device. The adapter generates RF energy for delivery to a plasma generator on an elongated member.