Advanced Endoscope Instrument Elevating Device

Publication ID: 24-11857163_0006_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Advanced Endoscope Instrument Elevating Device,” Published Technical Disclosure No. 24-11857163_0006_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857163_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. 11,857,163.

Summary of the Inventive Concept

An enhanced endoscope system featuring improved instrument elevating devices that enhance performance, safety, and efficiency in medical procedures.

Background and Problem Solved

The original patent's endoscope instrument elevating device has limitations in terms of stability, friction, and component replacement. The new inventive concept addresses these issues by introducing advanced features such as dynamic stabilization, self-lubrication, modular assembly, sensor-based positioning, and high-power miniature motors.

Detailed Description of the Inventive Concept

The advanced endoscope system incorporates a dynamic stabilizer to maintain a consistent angle of elevation during remote operation, ensuring precise control and reducing operator fatigue. The instrument elevating device features a self-lubricating mechanism to minimize friction and increase durability. A modular elevator assembly enables easy replacement of worn or damaged components, reducing maintenance downtime. A sensor array detects the instrument's position and adjusts the elevator's swing accordingly, optimizing the protruding direction. A high-power miniature motor with a high power-to-weight ratio powers the elevator, increasing efficiency and reducing the overall size of the device.

Novelty and Inventive Step

The new claims introduce novel features that overcome the limitations of the original patent, including dynamic stabilization, self-lubrication, modular assembly, sensor-based positioning, and high-power miniature motors. These advancements provide a significant improvement in performance, safety, and efficiency, making the new inventive concept non-obvious and innovative.

Alternative Embodiments and Variations

Alternative embodiments of the advanced endoscope system could include different types of dynamic stabilizers, self-lubricating materials, or modular assembly configurations. Variations could also include different sensor array designs or miniature motor types, ensuring broad conceptual coverage and adaptability to various medical procedures.

Potential Commercial Applications and Market

The advanced endoscope system has significant commercial potential in the medical device industry, particularly in the fields of gastrointestinal, laparoscopic, and arthroscopic procedures. The improved performance, safety, and efficiency of the system could lead to increased adoption and market share, with potential applications in hospitals, clinics, and medical research institutions.

CPC Classifications

SectionClassGroup
A A61 A61B1/018
A A61 A61B1/00098
A A61 A61B8/12
G G02 G02B23/24
A A61 A61B1/00131

Field of Art

Medical endoscopy and surgical instrumentation, focusing on instrument positioning and control mechanisms for minimally invasive medical devices, with expertise in mechanical design, precision motion control, and medical device engineering

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or mechanical engineer with advanced degree, 3-5 years experience in medical device design, familiar with endoscopic instrument mechanisms, motion control systems, and surgical device optimization techniques

Obviousness Rationale

A person having ordinary skill would recognize that the PTD's disclosed variations represent predictable engineering improvements to the existing endoscope elevator mechanism, utilizing standard design optimization techniques and known approaches to enhance medical device performance and functionality.

Obvious Combinations & Variations

Source Patent Element
Swinging elevator mechanism for changing instrument protruding direction
PTD Variation
Adding a sensor array to detect and optimize instrument positioning
Obviousness Reasoning
Integrating position sensing into mechanical systems is a known technique for improving precision and control, representing a predictable application of standard engineering design optimization
Source Patent Element
Remote wire-operated elevator mechanism
PTD Variation
Implementing a high-power miniature motor with improved power-to-weight ratio
Obviousness Reasoning
Substituting actuator technologies is a routine design choice for engineers seeking to improve device performance, with miniaturization being a standard approach in medical device engineering
Source Patent Element
Basic elevator assembly with fixed components
PTD Variation
Creating a modular elevator assembly for easier component replacement
Obviousness Reasoning
Designing for maintainability and component interchangeability is a standard engineering approach to improving device reliability and reducing long-term operational costs
Source Patent Element
Mechanical elevator mechanism with potential friction points
PTD Variation
Incorporating self-lubricating mechanism to reduce friction
Obviousness Reasoning
Addressing mechanical wear and friction through material and design improvements is a predictable solution within the skill set of ordinary practitioners in mechanical design
Source Patent Element
Basic elevator swing mechanism
PTD Variation
Adding a dynamic stabilizer to maintain consistent elevation angle
Obviousness Reasoning
Implementing stabilization techniques to improve mechanical precision is a standard engineering approach for enhancing device performance and reducing operational variability
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857163 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations of the endoscope instrument elevating device to be obvious and anticipated, as the improvements represent predictable engineering solutions utilizing known techniques for enhancing medical device functionality and performance.

Original Patent Information

Patent NumberUS 11,857,163
TitleEndoscope having swinging elevator
Assignee(s)HOYA CORPORATION