Next-Generation Aspiration Systems for Body Lumen

Publication ID: 24-11857208_0005_PTD
Published: November 07, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Next-Generation Aspiration Systems for Body Lumen,” Published Technical Disclosure No. 24-11857208_0005_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857208_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. 11,857,208.

Summary of the Inventive Concept

A revolutionary aspiration system that leverages AI, robotics, and real-time imaging to optimize clot removal from body lumens, providing improved patient outcomes and reduced procedure times.

Background and Problem Solved

The original patent's aspiration systems relied on manual operation and lacked real-time feedback, resulting in variable success rates and prolonged procedure times. The new inventive concept addresses these limitations by integrating advanced technologies to create a more efficient, effective, and patient-centric aspiration system.

Detailed Description of the Inventive Concept

The next-generation aspiration system comprises a neural network that predicts optimal aspiration pressure based on real-time imaging data, a vacuum control module that adjusts aspiration pressure accordingly, and a micro-robotic aspirator with synchronized micro-aspirating channels. The system can also utilize ultrasonic waves to disrupt clots, and inject clot-dissolving agents to facilitate aspiration. Real-time imaging sensors and 3D modeling enable precise navigation and targeting of the region of interest.

Novelty and Inventive Step

The integration of AI, robotics, and real-time imaging to optimize aspiration pressure and navigation, as well as the use of micro-robotic aspirators and ultrasonic clot disruption, represent a significant departure from the original patent's manual operation and lack of real-time feedback.

Alternative Embodiments and Variations

Alternative embodiments could include the use of different AI algorithms, robotic architectures, or imaging modalities. Variations could also involve adapting the system for use in different body lumens or incorporating additional features, such as automated clot detection or real-time feedback to the operator.

Potential Commercial Applications and Market

The next-generation aspiration system has the potential to revolutionize the treatment of vascular diseases, such as acute ischemic stroke, and could be marketed to hospitals, clinics, and medical device companies. The system's improved efficacy and reduced procedure times could lead to increased adoption and revenue growth in the medical device industry.

CPC Classifications

SectionClassGroup
A A61 A61B17/22
A A61 A61M5/3129
A A61 A61M5/3137
A A61 A61B2017/22079

Field of Art

Medical device engineering, specifically interventional medical devices for vascular aspiration and clot removal, involving catheter design, fluid dynamics, and minimally invasive medical technologies

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with advanced degree, expertise in medical device design, knowledge of interventional radiology techniques, familiar with catheter mechanics, fluid aspiration principles, and emerging medical imaging technologies

Obviousness Rationale

A PHOSITA would recognize that the published technical disclosure represents predictable technological extensions of the source patent's fundamental aspiration device concept. The integration of AI, real-time imaging, and robotic control represents incremental improvements using known techniques in medical device engineering. The core aspiration mechanism remains fundamentally consistent with the original patent's design, with added technological sophistication that would be considered an expected evolution in medical device innovation.

Obvious Combinations & Variations

Source Patent Element
Single lumen catheter with vacuum aspiration mechanism
PTD Variation
Micro-robotic aspirator with synchronized micro-aspirating channels
Obviousness Reasoning
Predictable design optimization using known microfluidic and robotic control techniques to improve aspiration precision and efficiency
Source Patent Element
Manual aspiration pressure control
PTD Variation
Neural network-controlled vacuum pressure adjustment based on real-time imaging
Obviousness Reasoning
Application of machine learning to medical device control represents a known technique for improving procedural accuracy and reducing human error
Source Patent Element
Basic catheter design for fluid removal
PTD Variation
Integrated ultrasonic transducer for clot disruption prior to aspiration
Obviousness Reasoning
Combining known medical technologies to enhance clot removal is an obvious solution using standard medical engineering problem-solving approaches
Source Patent Element
Fluid removal from body lumen
PTD Variation
3D modeling of lumen and AI-guided precise targeting
Obviousness Reasoning
Leveraging advanced imaging and computational techniques to improve medical device navigation is a predictable technological progression
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857208 and the published technical disclosure, a person of ordinary skill in the art would find the claimed variations obvious, as they represent predictable technological extensions utilizing known medical device engineering techniques. The disclosed innovations constitute prima facie obvious combinations that would not meet the non-obviousness requirements of patent protection under 35 U.S.C. ยง 103.

Original Patent Information

Patent NumberUS 11,857,208
TitleSystems and methods for aspirating from a body lumen
Assignee(s)Silk Road Medical, Inc.