Advanced Surgical Instrument with Enhanced Articulation and Real-Time Feedback

Publication ID: 24-11857189_0005_PTD
Published: November 07, 2025
Category:Future Evolutions & Paradigm Shifts

Legal Citation

pr1or.art Inc., “Advanced Surgical Instrument with Enhanced Articulation and Real-Time Feedback,” Published Technical Disclosure No. 24-11857189_0005_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857189_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. 11,857,189.

Summary of the Inventive Concept

The next-generation surgical instrument integrates advanced articulation capabilities, real-time feedback, and haptic feedback, revolutionizing minimally invasive surgery with enhanced dexterity and precision.

Background and Problem Solved

The original patent addressed the need for increased surgical dexterity in minimally invasive robotic systems. However, it had limitations in terms of articulation flexibility, real-time feedback, and haptic feedback. The new inventive concept overcomes these limitations by introducing a third shaft segment, advanced sensor systems, and haptic feedback capabilities, enabling surgeons to operate with unprecedented precision and control.

Detailed Description of the Inventive Concept

The advanced surgical instrument comprises a housing, a closure driver, and a shaft assembly extending from the housing. The shaft assembly includes a first shaft segment, a second shaft segment, and a third shaft segment, which is rotatably coupled to the second shaft segment and configured to rotate around a longitudinal axis. This enables the instrument to articulate in multiple degrees of freedom, providing unparalleled flexibility and precision. Additionally, the instrument features a sensor system that detects the position and orientation of the shaft assembly, providing real-time feedback to the surgeon. Furthermore, the system incorporates haptic feedback, allowing the surgeon to experience tactile sensations during the surgical procedure, further enhancing the overall surgical experience.

Novelty and Inventive Step

The new claims introduce several novel features, including the third shaft segment, advanced sensor systems, and haptic feedback capabilities, which collectively provide a significant inventive step over the original patent. These features enable the instrument to operate with unprecedented precision, flexibility, and control, making it a paradigm shift in minimally invasive surgery.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include variations in the shaft assembly design, such as using different materials or geometries, or incorporating additional features like force feedback or tactile sensing. The concept could also be adapted for use in other medical specialties, such as cardiology or neurosurgery, or integrated with other technologies, like artificial intelligence or augmented reality, to further enhance its capabilities.

Potential Commercial Applications and Market

The advanced surgical instrument has significant commercial potential in the medical device industry, particularly in the minimally invasive surgery market. The instrument's enhanced precision, flexibility, and control capabilities make it an attractive solution for hospitals and surgical centers, with potential applications in various medical specialties. The market for such instruments is expected to grow significantly in the coming years, driven by the increasing demand for minimally invasive surgical procedures and the need for more advanced and effective surgical tools.

CPC Classifications

SectionClassGroup
A A61 A61B17/07207
A A61 A61B17/105
A A61 A61B17/29
A A61 A61B34/30
A A61 A61B34/35
A A61 A61B34/37
A A61 A61B34/71
A A61 A61B17/00234
A A61 A61B2017/00309
A A61 A61B2017/00314
A A61 A61B2017/00398
A A61 A61B2017/00477
A A61 A61B2017/07214
A A61 A61B2017/07271
A A61 A61B2017/07278
A A61 A61B2017/2903
A A61 A61B2017/2908
A A61 A61B2017/2929

Field of Art

Minimally invasive robotic surgical instrumentation, with expertise in mechanical design, articulation mechanisms, and surgical robotic systems involving multi-segment shaft assemblies and control interfaces

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or mechanical engineer with advanced degree, 3-5 years experience in surgical robotics, familiar with articulation mechanisms, sensor integration, and robotic control systems

Obviousness Rationale

A PHOSITA would recognize that adding a third rotatable shaft segment, integrating sensor feedback, and implementing haptic control are predictable engineering extensions of existing surgical robotic instrument designs. The core mechanical principles of articulated surgical instruments remain consistent, with incremental improvements in degrees of freedom and control systems being a natural progression in the field. These variations represent standard evolutionary design approaches within surgical robotics technology.

Obvious Combinations & Variations

Source Patent Element
Shaft assembly with first and second shaft segments
PTD Variation
Adding a third shaft segment rotatably coupled to enable additional articulation
Obviousness Reasoning
Expanding articulation degrees of freedom is a known technique for improving surgical instrument maneuverability, representing a predictable design optimization
Source Patent Element
Basic closure driver mechanism
PTD Variation
Integrating sensor systems to detect shaft position and orientation
Obviousness Reasoning
Adding positional sensing to mechanical systems is a standard engineering approach for enhancing control and providing real-time feedback, with well-understood implementation strategies
Source Patent Element
Surgical instrument control interface
PTD Variation
Implementing haptic feedback system simulating tissue interaction
Obviousness Reasoning
Incorporating tactile feedback is a known method for improving surgeon perception and control, representing a logical extension of existing robotic surgical interface technologies
Source Patent Element
Single surgical instrument design
PTD Variation
Networked robotic surgical system with master control console and multiple slave instruments
Obviousness Reasoning
Creating integrated robotic surgical platforms is a predictable technological progression, leveraging standard communication and control architectures
Source Patent Element
Basic articulation mechanism
PTD Variation
Multiple degrees of freedom articulation controlled through advanced closure driver
Obviousness Reasoning
Expanding articulation capabilities through refined mechanical design represents an expected engineering optimization within surgical instrument development
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857189 and the disclosed technical variations, a person of ordinary skill in the art would find the claimed surgical instrument configurations and methods obvious, as they represent predictable engineering extensions employing known techniques for enhancing surgical robotic instrument performance through incremental mechanical and control system improvements.

Original Patent Information

Patent NumberUS 11,857,189
TitleSurgical instrument including first and second articulation joints
Assignee(s)Cilag GmbH International