Modular and Adaptive Fluid Management Systems for Enhanced Surgical Performance

Publication ID: 24-11857776_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Modular and Adaptive Fluid Management Systems for Enhanced Surgical Performance,” Published Technical Disclosure No. 24-11857776_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857776_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. 11,857,776.

Summary of the Inventive Concept

A novel fluid management system that integrates modular design, real-time pressure sensing, and advanced flow control to optimize surgical procedures, ensuring improved procedural efficacy, efficiency, and safety.

Background and Problem Solved

The original patent, 'Fluid management systems and methods', addressed the need for fluid management in surgical procedures. However, it had limitations in terms of customization, real-time pressure control, and fluid flow optimization. The new inventive concept addresses these limitations by introducing a modular design, advanced pressure sensing, and integrated flow control, enabling surgeons to tailor the system to specific procedures and achieve optimal results.

Detailed Description of the Inventive Concept

The new inventive concept comprises a modular fluid management system featuring interchangeable components, allowing surgeons to customize the system for specific surgical procedures. The system incorporates an advanced pressure sensing mechanism, which continuously monitors pressure fluctuations and adjusts the system's performance accordingly, ensuring stable and consistent pressure delivery. Additionally, the system features an integrated fluid flow sensor, enabling real-time monitoring and control of fluid flow rates, and optimizing fluid delivery to the surgical site. The system's modular design also enables easy upgrade, replacement, or customization of the system's software and hardware components.

Novelty and Inventive Step

The new inventive concept's modular design, advanced pressure sensing, and integrated flow control features provide a significant improvement over the original patent, enabling real-time optimization of fluid pressure and flow rates, and customization for specific surgical procedures. These advancements are non-obvious and novel compared to the original patent, providing a substantial improvement in surgical performance and efficiency.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in the modular design, such as using different materials or geometries for the interchangeable components. Other variations could include the use of different pressure sensing mechanisms, such as capacitive or piezoresistive sensors, or alternative flow control strategies, such as using machine learning algorithms to optimize fluid delivery.

Potential Commercial Applications and Market

The new inventive concept has significant commercial potential in the medical device industry, particularly in the fields of endoscopy, laparoscopy, and orthopedic surgery. The system's ability to optimize surgical performance, improve procedural efficacy, and reduce complications could lead to increased adoption and market share. The target market includes hospitals, surgical centers, and medical device manufacturers, with potential for expansion into other medical specialties and applications.

Field of Art

Surgical fluid management systems, encompassing pressure regulation, fluid delivery, and medical device design with expertise in fluid dynamics, pressure control mechanisms, and medical device engineering

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or medical device designer with advanced degree, 3-5 years experience in surgical instrumentation, familiar with pressure regulation techniques, fluid flow control, and modular medical system design

Obviousness Rationale

A person of ordinary skill would recognize that the PTD's modular design and real-time pressure monitoring represent predictable extensions of the source patent's fundamental pressure regulation approach. The core fluid management principles remain consistent, with the PTD introducing incremental improvements that would be apparent to a skilled practitioner seeking to optimize surgical fluid systems. The variations represent standard engineering design choices that leverage known techniques for enhancing medical device performance.

Obvious Combinations & Variations

Source Patent Element
Pressure regulator with multiple chambers and flexible membrane
PTD Variation
Modular design with interchangeable components and real-time pressure sensing
Obviousness Reasoning
Predictable modification using known modular design techniques to enhance system flexibility, with pressure sensing representing a standard optimization approach in fluid management systems
Source Patent Element
Vacuum source connection and pressure regulation mechanism
PTD Variation
Integrated fluid flow sensor for real-time monitoring and control
Obviousness Reasoning
Logical extension of existing pressure control principles, using well-established sensor technologies to provide enhanced system performance monitoring
Source Patent Element
Basic pressure regulation chambers
PTD Variation
Advanced pressure sensing mechanism with continuous monitoring and automatic adjustment
Obviousness Reasoning
Obvious improvement using standard control system engineering techniques to create a more responsive and adaptive fluid management system
Source Patent Element
Surgical fluid management system with basic pressure control
PTD Variation
Customizable system with detachable user interface and software upgradability
Obviousness Reasoning
Predictable design evolution applying standard modular design principles and software integration techniques common in medical device development
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857776, the claimed variations in fluid management system design would be obvious to a person having ordinary skill in the art. The incremental improvements in modular design, pressure sensing, and flow control represent predictable extensions of existing surgical fluid management technologies, lacking the requisite non-obviousness for patent protection under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,776
TitleFluid management systems and methods
Assignee(s)Stryker Corporation