Enhanced Token-Based Electrosurgical Instrument Activation System

Publication ID: 24-11857147_0001_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Token-Based Electrosurgical Instrument Activation System,” Published Technical Disclosure No. 24-11857147_0001_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857147_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. 11,857,147.

Summary of the Inventive Concept

A system that dynamically adjusts the electrosurgical signal based on real-time feedback from the surgical site, optimizing tissue interaction and minimizing thermal spread, thereby improving the safety and efficiency of electrosurgical procedures.

Background and Problem Solved

The original patent, 'Token-based electrosurgical instrument activation,' introduced a method for activating an electrosurgical instrument attached to a surgical robot arm using a token-based system. However, this system has limitations, such as potential token replay attacks, inadequate safety measures, and inefficient tissue interaction. The new inventive concept addresses these limitations by introducing real-time feedback, dynamic signal adjustment, and enhanced safety features.

Detailed Description of the Inventive Concept

The enhanced token-based electrosurgical instrument activation system consists of a token-based activation module, an electrosurgical connection unit with an integrated safety module, and a rolling counter. The token-based activation module dynamically adjusts the driving electrosurgical signal based on real-time feedback from the surgical site, optimizing tissue interaction and minimizing thermal spread. The electrosurgical connection unit with an integrated safety module automatically disconnects the electrosurgical instrument from the electrosurgical generator in response to a faulty or expired token, preventing accidental activation. The rolling counter increments at a predetermined rate, enabling the system to detect and prevent token replay attacks. The system ensures secure and efficient electrosurgical procedures.

Novelty and Inventive Step

The new inventive concept introduces a novel combination of real-time feedback, dynamic signal adjustment, and enhanced safety features, which are not present in the original patent. The inventive step lies in the integration of these features to improve the safety and efficiency of electrosurgical procedures.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include using machine learning algorithms to optimize the electrosurgical signal, integrating the system with other surgical instruments, or developing a cloud-based platform for remote monitoring and control.

Potential Commercial Applications and Market

The enhanced token-based electrosurgical instrument activation system has significant commercial potential in the medical device industry, particularly in the fields of laparoscopic and endoscopic surgery. The system's improved safety and efficiency features could lead to increased adoption and market share.

CPC Classifications

SectionClassGroup
A A61 A61B18/1482
A A61 A61B18/1206
A A61 A61B18/1233
A A61 A61B18/14
A A61 A61B34/30
A A61 A61B2017/00141
A A61 A61B2017/00154
A A61 A61B2018/00083
A A61 A61B2018/00178
A A61 A61B2018/00589
A A61 A61B2018/00601
A A61 A61B2018/00607
A A61 A61B2018/00773
A A61 A61B2018/00875
A A61 A61B2018/00886
A A61 A61B2018/00928
A A61 A61B2018/00958
A A61 A61B2034/302
A A61 A61B2034/306

Field of Art

Robotic surgical systems and electrosurgical instrument control technologies, with expertise in surgical robotics, instrument activation protocols, signal transmission, and safety mechanisms for medical devices

Person of Ordinary Skill (PHOSITA) Profile

A biomedical engineer or robotics specialist with advanced degrees in bioengineering or mechanical engineering, experienced in surgical robotics design, signal processing, and medical device safety protocols, familiar with token-based authentication and control systems

Obviousness Rationale

A person having ordinary skill in the art would recognize that the PTD's enhancements represent predictable variations of the source patent's token-based activation system, applying known techniques in signal processing, safety mechanisms, and authentication to improve surgical instrument control. The modifications represent incremental improvements that would be apparent to a skilled practitioner seeking to optimize surgical robot instrument activation. The PTD's additions of real-time feedback, dynamic signal adjustment, and enhanced safety features are logical extensions of the existing token-based activation framework.

Obvious Combinations & Variations

Source Patent Element
Token generation with time-based information and rolling counter
PTD Variation
Adding real-time feedback mechanism to dynamically adjust electrosurgical signal based on surgical site conditions
Obviousness Reasoning
Integrating adaptive signal processing is a known technique in medical device control, representing a predictable optimization of existing token-based activation methods
Source Patent Element
Token transmission and validation process
PTD Variation
Implementing an integrated safety module that automatically disconnects instrument upon detecting faulty or expired token
Obviousness Reasoning
Enhancing safety protocols through automated disconnection is an obvious design improvement using standard safety engineering principles
Source Patent Element
Unique identifier for surgical robot arm
PTD Variation
Adding digital signature verification to authenticate token integrity before instrument activation
Obviousness Reasoning
Implementing additional authentication layers is a predictable security enhancement in token-based control systems
Source Patent Element
Basic token generation method
PTD Variation
Incorporating machine learning algorithms to optimize electrosurgical signal parameters
Obviousness Reasoning
Applying machine learning to medical device control represents a standard evolutionary approach to improving instrument performance
Source Patent Element
Token-based activation mechanism
PTD Variation
Developing cloud-based platform for remote monitoring and control of surgical instrument activation
Obviousness Reasoning
Extending control systems to networked platforms is a predictable technological progression in medical device design
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857147 and the published technical disclosure, a person having ordinary skill in the art would find the claimed variations obvious, as they represent predictable extensions of existing token-based surgical instrument activation technologies. The disclosed improvements constitute routine engineering modifications that would be apparent to a skilled practitioner seeking to optimize surgical robot control systems, thereby rendering potential patent claims obvious under 35 U.S.C. Section 103.

Original Patent Information

Patent NumberUS 11,857,147
TitleToken-based electrosurgical instrument activation
Assignee(s)CMR Surgical Limited