Adjustable Tissue Anchoring Device with Barbed Fixation

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Solution Overview

Problem

Existing tissue anchoring devices are unable to be adjusted post-implantation, require a large tunnel or elevated flap for tissue relocation, and are limited to single-step tissue lift, making them inadequate for minimally invasive and versatile surgical procedures.

Innovation Solution

A device comprising two tissue engagement means and a connection means that allows for adjustable tissue displacement during surgical implantation, using resorbable or non-resorbable materials with tailored mechanical properties, enabling controlled tissue relocation and fixation in various surgical procedures, including open, endoscopic, and blind methods.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If existing tissue anchoring devices are used, then tissue can be anchored, but the devices cannot be adjusted after implantation

Engineering Contradiction:
Improveadjustability after implantationVSAvoiddevice structure
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The device incorporates an adjustable connection means that allows the distance between the first tissue engagement means and the second tissue engagement means to be modified after implantation. This dynamic adjustment capability enables the surgeon to optimize tissue relocation and fixation according to post-implantation needs, resolving the contradiction between ease of operation (adjustability) and device complexity.

Inventive Principle:
Principle #15Dynamics

2Object-affected harmful factors

If existing tissue anchoring devices are used, then tissue can be anchored, but a large tunnel or elevated flap is required

Engineering Contradiction:
Improvetissue damageVSAvoidsurgical accessibility
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The device is divided into separate components: a first tissue engagement means, a second tissue engagement means, and a connection means. This segmentation allows the components to be implanted through smaller incisions and tunnels, reducing tissue damage while maintaining surgical accessibility. The modular design enables insertion through minimally invasive approaches.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If existing tissue anchoring devices are used, then tissue can be anchored, but adjustment of tissue lift must be done in a single step

Engineering Contradiction:
Improvetissue lift adjustmentVSAvoidsurgical efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The connection means is designed to allow post-implantation adjustment of the distance between engagement means, enabling multi-step optimization of tissue lift. This dynamic adjustment capability improves adaptability while maintaining surgical efficiency through a straightforward adjustment mechanism that does not require complex procedures.

Inventive Principle:
Principle #15Dynamics

4Manufacturing precision

If adjustable connection means is used, then tissue displacement can be controlled, but device complexity increases

Engineering Contradiction:
Improvetissue displacement controlVSAvoiddevice structure
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The device controls tissue displacement by changing the physical parameter of the connection means, specifically the distance between the first and second tissue engagement means. This parameter adjustment allows precise control of tissue displacement while avoiding overly complex structural modifications, as the adjustment mechanism builds upon the basic anchoring device structure.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS8894683B2Device for attaching, relocating and reinforcing tissue and methods of using same
Publication Date: 2014.11.25 ETHICON INC
  • US8894683B2 patent drawing
  • US8894683B2 patent drawing
  • US8894683B2 patent drawing

AI summary

A device for attaching, relocating or reinforcing tissue includes a first tissue anchoring portion having a support plate and a plurality of barbs extending from the support plate for engaging tissue at a first location, a second tissue anchoring portion having a support plate and a plurality of barbs extending from the support plate for engaging tissue at a second location which is different from the first location, and a connection element, such as a suture or a mesh structure, interposed between and interconnecting the first tissue anchoring portion and the second tissue anchoring portion. The support plate of at least one of the first tissue anchoring portion and the second tissue anchoring portion may have longitudinally axially formed therethrough a bore for receiving the connecting element so that the surgeon may pull on the end of the connecting element to adjust the distance between the first tissue anchoring portion and the second tissue anchoring portion.