Enhanced Surgical Instrument with Dynamic Tissue Compression and Real-Time Optimization
Legal Citation
Summary of the Inventive Concept
An improved surgical instrument that integrates dynamic tissue compression and real-time optimization capabilities to enhance tissue cutting and stapling efficiency, precision, and safety.
Background and Problem Solved
The original patent, 'Surgical instrument comprising a rotation-driven and translation-driven tissue cutting knife', has limitations in terms of tissue compression and cutting efficiency. The new inventive concept addresses these limitations by introducing dynamically adjustable jaw apertures and real-time tissue sensing, enabling optimal tissue compression and cutting during surgical procedures.
Detailed Description of the Inventive Concept
The enhanced surgical instrument features an end effector with a first jaw having a dynamically adjustable jaw aperture and a second jaw rotatable relative to the first jaw. The dynamically adjustable jaw aperture allows for real-time adjustment of tissue compression during a surgical procedure, ensuring optimal tissue cutting and stapling. The instrument further comprises a tissue sensing module that detects tissue properties and adjusts the dynamically adjustable jaw aperture accordingly. Additionally, the instrument includes a control unit that receives tissue sensing data and adjusts the dynamically adjustable jaw aperture and the variable speed of the drive shaft in real-time to optimize tissue cutting and stapling.
Novelty and Inventive Step
The new inventive concept introduces the novel feature of dynamically adjustable jaw apertures and real-time tissue sensing, which enables optimal tissue compression and cutting during surgical procedures. This is a significant improvement over the original patent, which lacks these advanced features.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept could include variations in the design of the dynamically adjustable jaw aperture, such as using different materials or mechanisms to achieve the dynamic adjustment. Additionally, the tissue sensing module could be integrated into the control unit or be a separate component.
Potential Commercial Applications and Market
The enhanced surgical instrument has significant commercial potential in the medical device industry, particularly in the fields of laparoscopic and endoscopic surgery. The instrument's ability to optimize tissue cutting and stapling efficiency, precision, and safety makes it an attractive solution for surgeons and hospitals.
CPC Classifications
| Section | Class | Group |
|---|---|---|
| A | A61 | A61B17/072 |
| A | A61 | A61B17/07207 |
| A | A61 | A61B2017/07264 |
| A | A61 | A61B2017/07271 |
| A | A61 | A61B2017/07278 |
| A | A61 | A61B2017/07285 |
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Surgical instrument design, specifically electromechanical tissue cutting and stapling devices for minimally invasive surgical procedures, requiring advanced mechanical engineering, biomedical engineering, and precision motion control expertise
Person of Ordinary Skill (PHOSITA) Profile
A biomedical engineer or surgical instrument designer with advanced mechanical engineering skills, familiar with electromechanical actuation, tissue interaction principles, and surgical device kinematics, typically holding a master's degree or equivalent professional experience
Obviousness Rationale
A PHOSITA would recognize that the PTD's dynamic jaw aperture and tissue sensing capabilities represent predictable engineering extensions of the source patent's fundamental surgical instrument design. The core mechanical principles of rotatable jaws and variable translation rates are preserved, with the added innovation of real-time tissue property adaptation being a logical progression in surgical instrument technology. The modifications represent incremental improvements using known sensing and control techniques within the established mechanical framework.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,184 |
|---|---|
| Title | Surgical instrument comprising a rotation-driven and translation-driven tissue cutting knife |
| Assignee(s) | Cilag GmbH International |