Specialized Cannula Systems for Niche Environments

Publication ID: 24-11857217_0009_PTD
Published: November 07, 2025
Category:Specialized Variations & Niche Solutions

Legal Citation

pr1or.art Inc., “Specialized Cannula Systems for Niche Environments,” Published Technical Disclosure No. 24-11857217_0009_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857217_0009_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. 11,857,217.

Summary of the Inventive Concept

A family of cannula systems adapted for specific, high-stakes operational environments, including high-security, disaster relief, extreme weather conditions, remote surgical procedures, and confined spaces.

Background and Problem Solved

The original nested cannula system patent addressed the need for surgeons to access various areas of a patient's body. However, it did not account for unique operational environments that require specialized cannula designs. The new inventive concept solves this problem by providing cannula systems tailored to these specific niches.

Detailed Description of the Inventive Concept

The inventive concept comprises a series of cannula systems, each designed for a specific operational environment. For high-security surgical procedures, the cannula system features encrypted locking mechanisms to restrict access to authorized personnel. For disaster relief surgeries, the cannula system is optimized for rapid deployment and minimal equipment requirements. For extreme weather conditions, the cannula system incorporates specialized coatings to withstand extreme temperatures and humidity. For remote surgical procedures, the cannula system is adapted for telemedicine applications with real-time video transmission and remote control capabilities. For surgical procedures in confined spaces, the cannula system features compact designs and flexible materials to navigate narrow passages and tight spaces.

Novelty and Inventive Step

The new claims introduce novel, non-obvious features that distinguish them from the original patent. These include encrypted locking mechanisms, specialized coatings, telemedicine adaptations, and compact designs, which provide unique solutions for specific operational environments.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include cannula systems designed for other niche environments, such as search and rescue operations, space exploration, or underwater surgeries. Variations could also include different materials, shapes, or sizes of cannulas to accommodate diverse operational requirements.

Potential Commercial Applications and Market

The specialized cannula systems have significant commercial potential in various industries, including healthcare, disaster relief, aerospace, and defense. Target markets include hospitals, emergency response organizations, and government agencies.

CPC Classifications

SectionClassGroup
A A61 A61B17/3439
A A61 A61B2017/347

Field of Art

Surgical instrumentation, specifically minimally invasive surgical access systems and nested cannula technologies, requiring expertise in medical device design, surgical procedure optimization, and mechanical engineering principles

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or surgical device designer with advanced degree, 5-10 years experience in medical device development, familiar with surgical access technologies, material science, and adaptable design principles for medical instrumentation

Obviousness Rationale

A PHOSITA would recognize the source patent's nested cannula system provides a fundamental modular design that naturally invites specialized adaptations for different surgical environments. The PTD's variations represent predictable extensions of the original nested cannula concept, applying known design modification techniques to address specific operational challenges. The core mechanical principles of interlocking, nested cannulas remain consistent across the PTD's proposed variations.

Obvious Combinations & Variations

Source Patent Element
Interlocking cannulas with nested configuration
PTD Variation
Encrypted locking mechanisms for high-security surgical procedures
Obviousness Reasoning
Adding electronic or cryptographic access controls to mechanical locking systems is a predictable design evolution for sensitive medical environments, representing a known technique in access-controlled medical devices
Source Patent Element
Sequence of smaller to larger cannulas
PTD Variation
Compact designs with flexible materials for navigating confined spaces
Obviousness Reasoning
Material selection and geometric optimization are standard design approaches a PHOSITA would employ to adapt existing cannula technologies to specific spatial constraints
Source Patent Element
Modular cannula system with interchangeable components
PTD Variation
Telemedicine adaptations with real-time video transmission capabilities
Obviousness Reasoning
Integrating communication technologies into existing surgical instrumentation represents a predictable technological convergence, utilizing standard interface and transmission protocols
Source Patent Element
Nested cannula system allowing sequential removal
PTD Variation
Specialized coatings for extreme temperature and humidity resistance
Obviousness Reasoning
Surface modification techniques are well-known in medical device engineering, representing a routine approach to extending instrument functionality across environmental conditions
Source Patent Element
Surgical access system with multiple cannula sizes
PTD Variation
Emergency and disaster relief surgical procedure optimizations
Obviousness Reasoning
Adapting existing medical technologies for emergency scenarios involves predictable design modifications targeting rapid deployment and minimal equipment requirements
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed in this publication would have been obvious to a person having ordinary skill in the art at the time of invention, when considering the teachings of US Patent 11857217 in combination with known medical device design principles. The proposed modifications represent predictable technological extensions that a skilled practitioner would recognize as routine design adaptations within the established nested cannula technology framework.

Original Patent Information

Patent NumberUS 11,857,217
TitleNested cannula system
Assignee(s)Acumed LLC