Enhanced Surgical Instrument End Effector for Efficient Tissue Sealing

Publication ID: 24-11857247_0006_PTD
Published: November 07, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced Surgical Instrument End Effector for Efficient Tissue Sealing,” Published Technical Disclosure No. 24-11857247_0006_PTD, Published November 07, 2025, available at https://archive.pr1or.art/24-11857247_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. 11,857,247.

Summary of the Inventive Concept

An improved surgical instrument end effector with novel electrode geometry, dynamically adjustable gap distance, and real-time monitoring capabilities for enhanced tissue coagulation and sealing.

Background and Problem Solved

The original patent describes a surgical instrument end effector with a tissue cutting element and RF energy transmission mechanism. However, the existing design has limitations in terms of tissue grasping, RF energy delivery, and gap distance control. The new inventive concept addresses these limitations by introducing an integrated RF energy transmission mechanism, dynamically adjustable gap distance, and real-time monitoring capabilities to optimize tissue coagulation and sealing.

Detailed Description of the Inventive Concept

The enhanced surgical instrument end effector comprises a jaw with an integrated RF energy transmission mechanism, featuring a novel electrode geometry that optimizes tissue grasping and RF energy delivery. The end effector also includes a dynamically adjustable gap distance between opposing jaw members, controlled by a mechanical or electrical actuation mechanism. This allows for real-time adjustment of the gap distance to accommodate varying tissue types and desired coagulation effects. Furthermore, the end effector is equipped with integrated sensors for measuring tissue impedance, temperature, or other parameters, providing real-time feedback to the surgeon for optimizing the sealing process. The inventive concept also encompasses a method for enhancing tissue coagulation during electrosurgical procedures, applying a modulated RF energy signal to the tissue through the novel electrode configuration.

Novelty and Inventive Step

The new inventive concept introduces a novel electrode geometry, dynamically adjustable gap distance, and real-time monitoring capabilities, which are not present in the original patent. These features provide a significant improvement in tissue coagulation and sealing, making the new inventive concept novel and non-obvious.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include varying electrode geometries, different actuation mechanisms for the gap distance, and various sensor configurations for real-time monitoring. Additionally, the inventive concept could be adapted for use in other surgical procedures, such as laparoscopic or endoscopic surgeries.

Potential Commercial Applications and Market

The enhanced surgical instrument end effector has significant commercial potential in the medical device industry, particularly in the electrosurgical and tissue sealing markets. The inventive concept's ability to optimize tissue coagulation and sealing, reduce procedure time, and improve patient outcomes makes it an attractive solution for surgeons and hospitals.

CPC Classifications

SectionClassGroup
A A61 A61B18/1445
A A61 A61B2017/00389
A A61 A61B2017/00734
A A61 A61B2017/2925
A A61 A61B2018/0063
A A61 A61B2018/00083
A A61 A61B2018/00601
A A61 A61B2018/126
A A61 A61B2018/1455
A A61 A61B2018/1467

Original Patent Information

Patent NumberUS 11,857,247
TitleJaw for surgical instrument end effector
Assignee(s)Cilag GmbH International