Modular Surgical Stapler Buttress System with Adaptive Length Adjustment

Publication ID: 24-11857190_0005_PTD
Published: November 07, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Modular Surgical Stapler Buttress System with Adaptive Length Adjustment,” Published Technical Disclosure No. 24-11857190_0005_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857190_0005_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. 11,857,190.

Summary of the Inventive Concept

A next-generation surgical stapler system featuring a modular buttress assembly with interchangeable buttress modules of varying lengths, enabling real-time customization and optimization of stapler functionality during surgical procedures.

Background and Problem Solved

In traditional surgical stapling, the fixed length of the buttress assembly can limit the surgeon's ability to adapt to changing surgical conditions, leading to suboptimal tissue manipulation and potential complications. The original patent's variable length feature, while an improvement, still relies on manual trimming and lacks the flexibility to respond to dynamic surgical situations. The new inventive concept addresses these limitations by introducing a modular, adaptive, and AI-driven stapler system that can reconfigure its buttress assembly in real-time, ensuring optimal tissue engagement and minimizing the need for manual intervention.

Detailed Description of the Inventive Concept

The modular surgical stapler buttress system comprises interchangeable buttress modules of varying lengths, which can be selected and assembled on-demand during a surgical procedure. Advanced sensing technology and AI-driven algorithms enable real-time monitoring and prediction of tissue behavior, allowing the system to automatically adjust the length and configuration of the buttress assembly to optimize tissue manipulation and minimize complications. The system can be integrated into robotic surgical systems, enabling self-adaptive stapler modules that can reconfigure in response to changing surgical conditions. Additionally, the system can incorporate hybrid energy-based tissue manipulation, allowing for enhanced precision and reduced tissue trauma.

Novelty and Inventive Step

The new claims introduce a paradigm shift in surgical stapling by integrating modular, adaptive, and AI-driven components, enabling real-time customization and optimization of stapler functionality. The inventive concept's ability to dynamically adjust the length of the buttress assembly in response to changing surgical conditions, utilizing advanced sensing technology and AI-driven algorithms, represents a significant departure from the original patent's variable length feature and constitutes a novel and non-obvious improvement.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different materials or geometries for the buttress modules, or the integration of additional sensors or feedback mechanisms to further enhance the system's adaptability and precision. Variations of the system could be designed for specific surgical specialties or procedures, such as laparoscopic or endoscopic surgery.

Potential Commercial Applications and Market

The modular surgical stapler buttress system has significant commercial potential in the medical device industry, with applications in laparoscopic, endoscopic, and robotic surgery. The system's ability to optimize tissue manipulation and minimize complications could lead to improved surgical outcomes, reduced healthcare costs, and increased market share for companies adopting this technology.

CPC Classifications

SectionClassGroup
A A61 A61B17/07292
A A61 A61B2017/0725
A A61 A61B2017/07285

Field of Art

Surgical instrumentation and medical device design, specifically focusing on surgical stapling technologies with emphasis on endoscopic and minimally invasive surgical systems

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with advanced degrees in bioengineering, mechanical engineering, or related fields, possessing expertise in surgical instrument design, biomechanical systems, and advanced manufacturing techniques

Obviousness Rationale

A PHOSITA would recognize that the modular and adaptive buttress system represents a predictable extension of the source patent's variable length surgical stapler buttress technology. The integration of AI-driven sensing and dynamic length adjustment would be considered an obvious technological progression given the existing trend toward more intelligent and adaptable surgical instrumentation. The core mechanical principles of variable length buttress design are fundamentally preserved, with technological enhancements that represent incremental rather than radical innovation.

Obvious Combinations & Variations

Source Patent Element
Surgical stapler buttress with predefined trimming features and variable length configuration
PTD Variation
Modular buttress assembly with AI-driven dynamic length adjustment and integrated sensing technologies
Obviousness Reasoning
A PHOSITA would recognize that adding intelligent sensing and adaptive reconfiguration is a predictable technological evolution in medical device design, representing a known technique for enhancing surgical instrument functionality
Source Patent Element
Fixed cutting lines and predetermined buttress length modifications
PTD Variation
Real-time algorithmic buttress length optimization using machine learning and tissue behavior prediction
Obviousness Reasoning
Extending mechanical length adjustment with computational intelligence represents a logical design progression using known machine learning techniques applied to existing mechanical principles
Source Patent Element
Surgical stapler end effector with configurable jaw engagement
PTD Variation
Robotic surgical system with self-adaptive stapler modules capable of autonomous reconfiguration
Obviousness Reasoning
Integrating robotic adaptability into existing surgical stapling technologies is a predictable solution addressing known limitations in manual surgical interventions
Source Patent Element
Mechanical tissue engagement through stapling mechanism
PTD Variation
Hybrid energy-based tissue manipulation combining mechanical stapling with advanced sensing technologies
Obviousness Reasoning
Combining mechanical stapling with energy-based tissue interaction represents a finite set of known techniques for improving surgical precision and minimizing tissue trauma
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857190 and the disclosed technical variations, a person of ordinary skill in the art would find the claimed surgical stapler buttress system with adaptive length, AI-driven sensing, and modular reconfiguration to be an obvious extension of existing surgical stapling technologies, rendering potential patent claims in this domain anticipated and non-patentable under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,190
TitleSurgical stapler buttress with variable length feature
Assignee(s)Cilag GmbH International