Flip-Deploying Anchor for Smooth Target-Tissue Implantation

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Solution Overview

Problem

Existing endoscopic ultrasonography procedures face challenges in smoothly implanting an anchoring body into target tissues like the gallbladder due to difficulties in determining the position and angle of implantation, leading to potential tissue damage and inefficient installation of fixators.

Innovation Solution

An anchoring device with a flexible traction line and a driving tube that allows the anchoring body to move along a puncture needle, enabling it to flip and form an angle with the traction line for stable implantation into the target tissue, facilitated by a distal and proximal locking structure to secure the driving tube and traction line.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If the anchoring body is directly implanted into the target tissue without a driving tube, then the implantation process is simpler, but the anchoring body cannot smoothly enter the target tissue and may cause tissue damage

Engineering Contradiction:

Improvesimplicity of implantation processVSAvoidsmoothness of anchoring body entry

Core Design Contradiction:

Ease of manufactureVSEase of operation

Solution Approach 1:

The puncture needle serves as an intermediary tool to guide the anchoring body into the target tissue. The anchoring body moves along the puncture needle under the drive of the driving tube, allowing smooth entry into the gallbladder without direct forceful implantation that could damage tissue.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The anchoring body is nested within the driving tube during the implantation process. The driving tube at least sleeves on the traction line and the anchoring body is located on the distal end of the driving tube, allowing the anchoring body to be delivered through the puncture needle smoothly and then deployed into the target tissue.

Inventive Principle:

Principle #7Nested doll (Nesting)

2Reliability

If the anchoring body is pulled by the traction line to flip and form an angle with the traction line, then the anchoring body can stop at the inner wall of the target tissue for stable implantation, but the structure becomes more complex

Engineering Contradiction:

Improvestability of anchoring body implantationVSAvoidcomplexity of anchoring device structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The anchoring body is designed to be dynamically deployable from a linear configuration to an angled/flipped configuration. When the anchoring body extends out of the distal end of the puncture needle, it can be flipped under the pushing of the driving tube and the pulling of the traction line to form an angle with the traction line, allowing it to stop at the inner wall of the target tissue for stable implantation.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The anchoring device is segmented into distinct functional components: the traction line (flexible member), the anchoring body (capable of flipping), and the driving tube (for controlled delivery). This segmentation allows each component to perform its specific function while working together to achieve stable implantation.

Inventive Principle:

Principle #1Segmentation

3Device complexity

If the anchoring body is implanted without a locking structure, then the device structure is simpler, but the anchoring body cannot be securely positioned during the flipping and implantation process

Engineering Contradiction:

Improvesimplicity of device structureVSAvoidpositioning accuracy of anchoring body

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The distal locking structure is configured to be fixed to the proximal end of the puncture needle before the anchoring body is implanted. The distal locking structure selectively cooperates with the driving tube to lock the driving tube and anchoring body in the first receiving channel, securing the anchoring body in position before the flipping and implantation process begins.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS20250331841A1Anchor and anchoring device

Publication Date: 2025.10.30 MICRO-TECH (NANJING) CO LTD

AI summary

Provided are an anchor and an anchoring device, including: a traction line, which is a flexible member; an anchoring body connected to a distal end of the traction line; a driving tube, which is at least sleeved on at least a portion of the traction line. The anchoring body is configured to move along a puncture needle under the drive of the driving tube and can be flipped when extending out of the distal end of the puncture needle to form an angle with the traction line, so that the anchoring body stops at the inner wall of the target tissue. The anchor and the anchoring device can smoothly implant the anchoring body of the anchor into the target tissue.