Advanced Implantable Shunt Adjustment Systems

Publication ID: 24-11857197_0001_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Implantable Shunt Adjustment Systems,” Published Technical Disclosure No. 24-11857197_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857197_0001_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. 11,857,197.

Summary of the Inventive Concept

The present invention relates to advanced systems and methods for adjusting implantable shunts, providing improved precision, safety, and efficiency in treating various medical conditions.

Background and Problem Solved

The original patent disclosed methods and systems for adjusting implantable shunts, but had limitations in terms of precision, safety, and efficiency. The new inventive concept addresses these limitations by introducing advanced features such as localized thermal treatment, mechanical force application, and integrated sensing, enabling more precise and efficient shunt adjustments.

Detailed Description of the Inventive Concept

The new inventive concept comprises advanced systems and methods for adjusting implantable shunts, including a catheter with an adjustable diameter and a shape memory component, a control unit configured to control the temperature of the shape memory component, and a localized thermal treatment system. The system enables precise and efficient shunt adjustments, minimizing the risk of complications and improving patient outcomes. Additionally, the inventive concept includes alternative embodiments, such as a catheter with a retractable member for mechanical force application and a catheter with an integrated sensor for monitoring shunt dimensions and providing feedback to the control unit.

Novelty and Inventive Step

The new claims introduce novel features and improvements over the original patent, including the use of localized thermal treatment, mechanical force application, and integrated sensing. These advancements provide a significant inventive step, enabling more precise, safe, and efficient shunt adjustments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept may include variations in catheter design, shape memory component materials, and control unit algorithms. Additionally, the inventive concept could be adapted for use in different medical conditions, such as treating blocked vessels or monitoring physiological conditions.

Potential Commercial Applications and Market

The advanced implantable shunt adjustment systems have significant commercial potential in the medical device industry, particularly in the fields of neurosurgery, cardiology, and orthopedics. The market demand for improved implantable shunt adjustment systems is substantial, driven by the need for more precise, safe, and efficient treatments.

CPC Classifications

SectionClassGroup
A A61 A61B17/12177
A A61 A61B17/11
A A61 A61B17/1204
A A61 A61B17/12109
A A61 A61M27/002
A A61 A61M2205/04
A A61 A61M2205/3331

Field of Art

Medical device engineering, specifically interventional and minimally invasive medical device technologies focused on implantable adjustment systems, requiring advanced knowledge of materials science, thermal engineering, and medical device design

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer with expertise in catheter design, shape memory materials, thermal actuation technologies, and minimally invasive medical interventions, holding advanced degrees and 3-5 years of practical experience in medical device development

Obviousness Rationale

A person having ordinary skill would recognize that the PTD's variations represent predictable extensions of the source patent's core technology by applying known medical device design principles. The fundamental concept of adjustable implantable devices with thermal and mechanical actuation mechanisms is consistent across both disclosures. The PTD's alternative embodiments represent routine engineering variations that would be apparent to a skilled practitioner seeking incremental improvements in medical device functionality.

Obvious Combinations & Variations

Source Patent Element
Elongated body with expandable member for heating shape memory components
PTD Variation
Catheter with adjustable diameter and integrated shape memory component controlled by temperature
Obviousness Reasoning
Predictable application of known thermal actuation principles, representing a standard design optimization technique in medical device engineering
Source Patent Element
Method of advancing elongated body through vasculature to adjust implanted device
PTD Variation
Catheter with retractable mechanical force application member for shunt dimension adjustment
Obviousness Reasoning
Known technique of mechanical manipulation in minimally invasive procedures, representing a finite set of predictable intervention strategies
Source Patent Element
Shunt adjustment method involving flow obstruction elements
PTD Variation
Integrated sensor system for monitoring and feedback-driven shunt dimension adjustment
Obviousness Reasoning
Logical extension of existing monitoring technologies, applying standard control system principles to medical device design
Source Patent Element
Implantable medical device adjustment methodology
PTD Variation
Therapeutic agent delivery method for modifying implant dimensions
Obviousness Reasoning
Well-established pharmaceutical intervention technique representing a known alternative modification approach in medical device engineering
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857197 and the corresponding Published Technical Disclosure, a person having ordinary skill in the art would find the claimed variations obvious, as they represent predictable combinations of known medical device design principles, thermal actuation techniques, and minimally invasive intervention strategies, thereby rendering subsequent claims of novelty invalid under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,197
TitleAdjustable implantable devices and associated methods
Assignee(s)Shifamed Holdings, LLC