Thermally Deformable Absorbent Pins for Tissue Bonding

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Solution Overview

Problem

Current treatment instruments that use energy to connect biological tissues face challenges in effectively denaturing and dehydrating tissues, leading to inconsistent connection forces and potential moisture exposure, which affects the durability of the tissue bond.

Innovation Solution

A treatment system that combines high-frequency energy and thermal energy, utilizing a pair of jaws with embedded electrodes and heat generation members to denature tissues, and absorbent pins or staples that are thermally deformed to bridge and secure the tissues, ensuring a strong and moisture-resistant bond.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If high-frequency energy and thermal energy are applied to denature and dehydrate biological tissues, then the tissue connection strength is improved, but the consistency of connection force becomes inconsistent and moisture exposure occurs

Engineering Contradiction:
Improvetissue connection strengthVSAvoidconsistency of connection force
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

An absorbent member (pusher) is introduced as an intermediary element between the first jaw and the biological tissue. This pusher discharges absorbent materials (pins or staples) that bridge the tissue layers, providing consistent mechanical connection force while the energy discharge portions handle the denaturation and dehydration processes. The absorbent member ensures reliable tissue apposition throughout the treatment process.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The absorbent materials (pins or staples) are discharged and positioned in advance before the full energy treatment is applied. The pusher discharges these materials to bridge the tissue layers first, establishing a preliminary mechanical connection that maintains consistency throughout the subsequent denaturation and dehydration processes.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If absorbent materials are used to bridge and secure tissues, then the bond durability against moisture is improved, but the long-term presence of foreign material in the body occurs

Engineering Contradiction:
Improvebond durabilityVSAvoidlong-term foreign material presence
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The absorbent materials are designed with bioabsorbable properties, changing their material parameters over time. They provide durable moisture-resistant bonding initially, then gradually degrade and are absorbed by the body over the long term, eliminating the foreign material presence issue while maintaining bond durability when needed.

Inventive Principle:
Principle #35Parameter changes

3Manufacturing precision

If a pair of jaws with embedded electrodes and heat generation members is used, then the energy application control is improved, but the device complexity increases

Engineering Contradiction:
Improveenergy application controlVSAvoiddevice complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

Multiple functional elements are merged into integrated components. The first jaw combines the electrode for high-frequency energy, the heat generation member for thermal energy, and the pusher mechanism for discharging absorbent materials. The second jaw combines the counter electrode and the holding surface for absorbent materials. This merging reduces the number of separate components while maintaining precise energy application control.

Inventive Principle:
Principle #5Merging (Combining)

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 system achieves a strong and durable connection of biological tissues by denaturing and dehydrating them with controlled energy application, maintaining the bond even when exposed to moisture, and the absorbent materials are bioabsorbable, reducing long-term presence in the body.

Implementation Method 1

an energy source which is configured to generate high-frequency energy and thermal energy

Methodology Applied
Scientific EffectHigh-frequency energy heating: Dielectric Heating

Implementation Method 2

thermal energy...biological tissues are denatured, and then the biological tissues are dehydrated

Methodology Applied
Scientific EffectThermal energy heating: Heating

Implementation Method 3

an absorbent member which is arranged to be discharged into the biological tissues as the fusion targets from the first jaw through the first holding surface, thermally deformed when the thermal energy is applied thereto

Methodology Applied
Scientific EffectThermal deformation: Thermal Expansion

Data Source

PatentUS9125663B2Treatment instrument system with thermally deformable absorbent member and slidable holding surface
Publication Date: 2015.09.08 OLYMPUS CORPORATION(JP)
  • US9125663B2 patent drawing
  • US9125663B2 patent drawing
  • US9125663B2 patent drawing

AI summary

A treatment system includes: an absorbent member which is arranged to be discharged into the biological tissues as the fusion targets from the first jaw, thermally deformed when the thermal energy is applied thereto; a first energy discharge portion which is configured to discharge the absorbent member toward the second holding surface, and which is configured to supply the high-frequency energy and the thermal energy to the biological tissues; a second energy discharge portion which is configured to come into contact with at least a part of the absorbent member when the absorbent member is discharged, and which is configured to supply the high-frequency energy and the thermal energy to the biological tissues; and a control unit which is configured to control the energy source to supply the thermal energy after discharging the absorbent member to the biological tissues.