Tissue Thickness Compensators for Specialized Surgical Applications

Publication ID: 24-11857187_0004_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Tissue Thickness Compensators for Specialized Surgical Applications,” Published Technical Disclosure No. 24-11857187_0004_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857187_0004_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. 11,857,187.

Summary of the Inventive Concept

The present inventive concept relates to tissue thickness compensators adapted for specific, narrow market or unique operational environments, enhancing surgical outcomes in high-security, disaster relief, extreme weather, emergency response, and customizable surgical situations.

Background and Problem Solved

The original patent disclosed a tissue thickness compensator comprising controlled release and expansion for general surgical procedures. However, the original design has limitations in addressing the unique demands of specialized surgical environments. The new inventive concept addresses these limitations by introducing adaptations for high-security, disaster relief, extreme weather, emergency response, and customizable surgical situations, ensuring optimal tissue thickness compensation in these specific contexts.

Detailed Description of the Inventive Concept

The tissue thickness compensator system for high-security surgical environments integrates a controlled release and expansion mechanism with a biometric authentication module, ensuring authorized access to the surgical instrument. The method for disaster relief surgical procedures deploys a tissue thickness compensator with a self-sustaining power source and a communication module for real-time feedback to remote medical experts. The surgical instrument for extreme weather conditions features a thermally-insulated and water-resistant housing, and a specialized coating to prevent ice formation. The sterile tissue thickness compensator kit for emergency response situations includes a pre-sterilized tissue thickness compensator, a sterile drape, and a set of sterilized surgical instruments. The modular tissue thickness compensator system for customizable surgical applications comprises interchangeable expansion mechanisms and controlled release modules for adapting to specific surgical procedures.

Novelty and Inventive Step

The new inventive concept's novelty lies in its adaptations for specialized surgical environments, including high-security, disaster relief, extreme weather, emergency response, and customizable surgical situations. The inventive step is the integration of these adaptations with the controlled release and expansion mechanism, providing a unique solution for each specific context.

Alternative Embodiments and Variations

Alternative embodiments of the tissue thickness compensator system may include additional security features, such as encryption or secure data storage. Variations of the method for disaster relief surgical procedures could incorporate advanced sensors for real-time monitoring of patient vital signs. The surgical instrument for extreme weather conditions could be designed with adjustable thermal insulation or removable coatings for different environmental conditions. The sterile tissue thickness compensator kit could include additional components, such as surgical gloves or wound dressings. The modular tissue thickness compensator system could be expanded to accommodate various surgical specialties or procedures.

Potential Commercial Applications and Market

The tissue thickness compensator for specialized surgical applications has significant commercial potential in the medical device industry, particularly in the areas of high-security, disaster relief, extreme weather, emergency response, and customizable surgical solutions. Target industries include hospitals, surgical centers, emergency response organizations, and medical device manufacturers.

CPC Classifications

SectionClassGroup
A A61 A61B17/07207
A A61 A61B17/00491
A A61 A61B17/0643
A A61 A61B17/0644
A A61 A61B17/072
A A61 A61B17/07292
A A61 A61B17/1155
H H05 H05K999/99
A A61 A61B17/2909
A A61 A61B2017/00004
A A61 A61B2017/0053
A A61 A61B2017/00314
A A61 A61B2017/00327
A A61 A61B2017/00477
A A61 A61B2017/00495
A A61 A61B2017/00526
A A61 A61B2017/00818
A A61 A61B2017/00862
A A61 A61B2017/00884
A A61 A61B2017/00889
A A61 A61B2017/00893
A A61 A61B2017/00898
A A61 A61B2017/0725
A A61 A61B2017/07228
A A61 A61B2017/07235
A A61 A61B2017/07242
A A61 A61B2017/07257
A A61 A61B2017/07264
A A61 A61B2017/07271
A A61 A61B2017/07278
A A61 A61B2017/07285
A A61 A61B2017/2908
A A61 A61B2017/2919
A A61 A61B2017/2923
A A61 A61B2017/2927
A A61 A61B2017/2933
A A61 A61B2017/2936
A A61 A61B2017/2946
A A61 A61B2017/320052
F F04 F04C2270/0421

Field of Art

Surgical instrument design, specifically staple cartridge systems and tissue management technologies with a focus on controlled release mechanisms and adaptive surgical tools

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or surgical device designer with expertise in medical device development, materials science, and surgical instrument design, holding advanced degrees and 5-10 years of professional experience in medical technology innovation

Obviousness Rationale

A PHOSITA would recognize that the source patent's foundational tissue thickness compensator technology provides a clear technical framework for extending functionality into specialized surgical environments. The core controlled release and expansion mechanism serves as a versatile platform that can be readily adapted through predictable engineering modifications. The PTD's variations represent logical extensions of the source patent's core technological principles by integrating additional functional modules and environmental adaptations.

Obvious Combinations & Variations

Source Patent Element
Hydrogel-based tissue thickness compensator with controlled release mechanism
PTD Variation
Integration of biometric authentication module with tissue thickness compensator
Obviousness Reasoning
A PHOSITA would find it obvious to add security features to surgical instruments using known authentication technologies, as medical device security is a predictable design improvement with finite implementation strategies
Source Patent Element
Staple cartridge with expandable hydrogel components
PTD Variation
Modular tissue thickness compensator with interchangeable expansion mechanisms
Obviousness Reasoning
Modular design is a standard engineering approach for creating adaptable medical devices, and a PHOSITA would recognize the predictable benefits of creating configurable surgical instrument components
Source Patent Element
Hydrogel composition with controlled material properties
PTD Variation
Thermally-insulated and water-resistant housing for extreme environmental conditions
Obviousness Reasoning
Material science techniques for environmental adaptation are well-known, and a PHOSITA would understand how to modify existing device architectures to enhance operational reliability in challenging conditions
Source Patent Element
Staple cartridge with hydrogel-based adjunct components
PTD Variation
Self-sustaining power source and communication module for remote medical feedback
Obviousness Reasoning
Integrating power and communication technologies into medical devices is a predictable engineering solution, with multiple known approaches for implementing telemetry and autonomous power systems
35 U.S.C. § 103 Summary: Based on US Patent 11857187's teachings regarding tissue thickness compensators with controlled release mechanisms, the present publication demonstrates that the claimed variations would have been obvious to a person having ordinary skill in the art at the time of invention, as the technical modifications represent predictable engineering solutions utilizing known techniques and design strategies within the surgical instrument technology domain.

Original Patent Information

Patent NumberUS 11,857,187
TitleTissue thickness compensator comprising controlled release and expansion
Assignee(s)Cilag GmbH International