Enhanced Articulation Joint with Real-time Tissue Feedback and Adaptive Geometry

Publication ID: 24-11857283_0006_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Articulation Joint with Real-time Tissue Feedback and Adaptive Geometry,” Published Technical Disclosure No. 24-11857283_0006_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857283_0006_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,283.

Summary of the Inventive Concept

An improved articulation joint for surgical instruments, featuring integrated sensors, dynamically adjustable helical lumens, and machine learning-based optimization for enhanced tissue manipulation and safety.

Background and Problem Solved

The original patent's articulation joint with helical lumen has limitations in terms of tissue engagement and manipulation. The new inventive concept addresses these limitations by incorporating real-time tissue feedback, adaptive geometry, and machine learning-based optimization to improve tissue manipulation and safety.

Detailed Description of the Inventive Concept

The enhanced articulation joint comprises an integrated sensor for real-time monitoring of tissue engagement, a dynamically adjustable helical lumen that modifies its geometry in response to changes in tissue properties or surgical site conditions, and a machine learning module that predicts optimal articulation joint configurations based on historical surgical data and real-time tissue feedback. The articulation joint's movement is adjusted in real-time to ensure optimal tissue manipulation and minimize the risk of accidental tissue damage.

Novelty and Inventive Step

The new inventive concept's novelty lies in the integration of real-time tissue feedback, adaptive geometry, and machine learning-based optimization, which enables the articulation joint to dynamically adjust its movement and geometry in response to changing tissue properties and surgical site conditions. This results in improved tissue manipulation and safety, distinguishing the new concept from the original patent.

Alternative Embodiments and Variations

Alternative embodiments may include the use of different sensor types, such as force sensors or pressure sensors, or the integration of additional features, such as redundant safety mechanisms or advanced visualization systems. Variations of the inventive concept may also include different geometries or materials for the helical lumen, or the application of machine learning algorithms to optimize other aspects of the surgical procedure.

Potential Commercial Applications and Market

The enhanced articulation joint has significant commercial potential in the medical device industry, particularly in the fields of laparoscopic and endoscopic surgery. The inventive concept's ability to improve tissue manipulation and safety could lead to increased adoption in hospitals and surgical centers, resulting in improved patient outcomes and reduced healthcare costs.

Field of Art

Surgical instrument design, specifically robotic and laparoscopic surgical articulation mechanisms with complex luminal geometries and motion control systems

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in surgical instrument design, robotics, sensor integration, and mechanical articulation systems, holding advanced degrees in bioengineering or mechanical engineering with 3-5 years of specialized experience in medical device development

Obviousness Rationale

A person having ordinary skill would recognize that integrating real-time sensor feedback and adaptive geometry into an existing articulation joint design represents a predictable engineering enhancement. The source patent's foundational articulation joint design provides a clear technical framework that naturally suggests incorporating advanced sensing and dynamic adjustment capabilities. The PTD's variations emerge from standard design optimization techniques commonly applied in medical device engineering to improve instrument performance and safety.

Obvious Combinations & Variations

Source Patent Element
Surgical instrument with articulation joint and helical lumen
PTD Variation
Adding integrated sensors for real-time tissue engagement monitoring
Obviousness Reasoning
Sensor integration is a known technique for enhancing surgical instrument performance, representing a predictable design improvement that a skilled artisan would readily conceive
Source Patent Element
Shaft assembly with articulation axes
PTD Variation
Dynamically adjustable helical lumen geometry responsive to tissue conditions
Obviousness Reasoning
Adaptive geometric configurations are a standard engineering approach for optimizing mechanical interactions, particularly in precision medical instruments
Source Patent Element
Surgical instrument with multiple elongate members
PTD Variation
Machine learning module for predicting optimal articulation configurations
Obviousness Reasoning
Applying computational optimization techniques to mechanical design represents a routine extension of existing control system methodologies in surgical robotics
Source Patent Element
Articulation joint with multiple lumens
PTD Variation
Redundant safety mechanisms limiting motion based on force/torque detection
Obviousness Reasoning
Safety constraint implementation is a fundamental design practice in medical device engineering, particularly for instruments interacting directly with biological tissues
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857283, the variations disclosed herein represent obvious modifications to the prior art articulation joint design. A person having ordinary skill in surgical instrument engineering would find the integration of real-time sensing, adaptive geometry, and machine learning optimization to be straightforward extensions of the foundational articulation joint concept, thereby rendering potential claims covering such variations unpatentable under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,283
TitleArticulation joint with helical lumen
Assignee(s)Cilag GmbH International