Modular Surgical Instruments with Advanced Articulation Joint Arrangements

Publication ID: 24-11857182_0010_PTD
Published: November 07, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Modular Surgical Instruments with Advanced Articulation Joint Arrangements,” Published Technical Disclosure No. 24-11857182_0010_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857182_0010_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. 11,857,182.

Summary of the Inventive Concept

A next-generation surgical instrument system featuring modular end effectors, advanced sensors, and artificial intelligence integration to enhance precision, flexibility, and real-time tissue analysis in various surgical procedures.

Background and Problem Solved

The original patent relates to surgical instruments with combination function articulation joint arrangements, but has limitations in terms of adaptability, precision, and real-time feedback. The new inventive concept addresses these limitations by introducing modular end effectors, advanced sensors, and artificial intelligence integration to enable more effective and minimally invasive surgical outcomes.

Detailed Description of the Inventive Concept

The new surgical instrument system comprises a modular end effector configured to adapt to varying surgical procedures. The modular end effector includes interchangeable cartridge modules and advanced sensors for real-time tissue analysis. The articulation joint arrangement is integrated with artificial intelligence to optimize surgical precision and minimize tissue damage. The system also features self-adjusting articulation joints capable of dynamically adjusting their pivot point in response to real-time feedback from embedded sensors and machine learning algorithms. Additionally, the system enables real-time data sharing and collaboration between surgeons through a network of interconnected surgical instruments with advanced articulation joint arrangements.

Novelty and Inventive Step

The new claims introduce a paradigm shift in surgical instrument design by incorporating modular end effectors, advanced sensors, artificial intelligence integration, and self-adjusting articulation joints. These features enable a level of precision, flexibility, and real-time feedback that is not achievable with the original patent's design.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in the design of the modular end effector, such as different cartridge module configurations or alternative sensor arrangements. Other variations could include the integration of additional technologies, such as nanotechnology or micro-electromechanical systems (MEMS), to further enhance precision and dexterity.

Potential Commercial Applications and Market

The inventive concept has significant commercial potential in the surgical instrument market, particularly in the areas of minimally invasive surgery, robotic-assisted surgery, and surgical training. The target industries include hospitals, surgical centers, and medical device manufacturers.

CPC Classifications

SectionClassGroup
A A61 A61B17/0686
A A61 A61B17/00234
A A61 A61B17/068
A A61 A61B17/072
A A61 A61B17/07207
A A61 A61B17/29
A A61 A61B17/320092
A A61 A61B34/30
A A61 A61B2017/00314
A A61 A61B2017/00323
A A61 A61B2017/00336
A A61 A61B2017/00367
A A61 A61B2017/00389
A A61 A61B2017/00398
A A61 A61B2017/00477
A A61 A61B2017/07214
A A61 A61B2017/07257
A A61 A61B2017/07271
A A61 A61B2017/07278
A A61 A61B2017/07285
A A61 A61B2017/2927
A A61 A61B2017/320071
A A61 A61B2017/320093
A A61 A61B2017/320094
A A61 A61B2017/320095
A A61 A61B2017/320097
A A61 A61B2034/301

Field of Art

Surgical instrument design and robotic surgical technologies, focusing on articulating end effectors, stapling mechanisms, and minimally invasive surgical systems. Requires advanced mechanical engineering, biomechanical design, and understanding of surgical instrument kinematics and tissue interaction

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or surgical instrument designer with advanced degrees in mechanical engineering, expertise in robotic surgical technologies, knowledge of medical device design standards, and experience developing articulating surgical instruments with complex joint mechanisms

Obviousness Rationale

A PHOSITA would recognize that the PTD's proposed variations represent predictable technological extensions of the source patent's articulation joint design. The core mechanical principles of surgical instrument articulation remain consistent, with the PTD primarily introducing sensor and AI integration as incremental improvements to existing articulation joint technologies. The modular design and intelligent sensing represent natural evolutionary steps in surgical instrument development that would be obvious to a skilled practitioner familiar with emerging medical technology trends.

Obvious Combinations & Variations

Source Patent Element
Articulation joint with flexible actuators connecting proximal and distal joint members
PTD Variation
Self-adjusting articulation joint with embedded sensors and machine learning algorithms to dynamically modify pivot points
Obviousness Reasoning
Adding sensor-based adaptive mechanisms to existing articulation joints represents a predictable application of known control systems engineering principles to surgical instrument design
Source Patent Element
Surgical end effector with interchangeable staple cartridge support
PTD Variation
Modular end effector with interchangeable cartridge modules and advanced tissue analysis sensors
Obviousness Reasoning
Expanding modular design principles to include sensor integration is an obvious design optimization that enhances instrument versatility and diagnostic capabilities
Source Patent Element
Surgical instrument configured for multiple procedural contexts (open, laparoscopic, robotic-assisted)
PTD Variation
Network of interconnected surgical instruments enabling real-time data sharing and collaborative surgical outcomes
Obviousness Reasoning
Integrating communication and data-sharing technologies into surgical instruments represents a logical extension of existing networked medical device paradigms
Source Patent Element
Articulation joint with multiple axis movement capabilities
PTD Variation
Articulation joint integrated with artificial intelligence to optimize surgical precision and minimize tissue damage
Obviousness Reasoning
Applying AI-driven control systems to existing multi-axis surgical instrument designs is a foreseeable technological progression in precision surgical technologies
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857182 and the disclosed technological variations, a person having ordinary skill in the art would find the claimed surgical instrument system modifications to be obvious and lacking inventive step. The proposed enhancements represent predictable technological progressions that would be readily conceived by a skilled practitioner without requiring extraordinary innovation or non-obvious problem-solving.

Original Patent Information

Patent NumberUS 11,857,182
TitleSurgical instruments with combination function articulation joint arrangements
Assignee(s)Cilag GmbH International