Enhanced Medical Instrument with Mechanical Interlock and Redundant Safety Mechanism
Legal Citation
Summary of the Inventive Concept
An improved medical instrument with mechanical interlock featuring a redundant safety mechanism to prevent accidental activation during medical procedures, ensuring enhanced safety and efficiency.
Background and Problem Solved
The original patent disclosed a medical instrument with mechanical interlock for cauterizing tissue, but it lacked a redundant safety mechanism to prevent accidental activation. This limitation is addressed by the new inventive concept, which provides an additional layer of safety and reliability.
Detailed Description of the Inventive Concept
The enhanced medical instrument comprises a mechanical interlock with a redundant safety mechanism, which includes a secondary activation switch that must be engaged before the instrument can be activated. This ensures that the instrument cannot be accidentally activated during a medical procedure. Additionally, the instrument features a thermal energy source with automatic deactivation upon detection of a malfunction, and a real-time feedback system providing tactile and visual cues to the user. The instrument can also automatically adjust its mechanical interlock configuration in response to changes in tissue density.
Novelty and Inventive Step
The new inventive concept's redundant safety mechanism, automatic deactivation of the thermal energy source, and real-time feedback system provide a novel and non-obvious solution to the limitations of the original patent. The combination of these features ensures enhanced safety, efficiency, and user experience.
Alternative Embodiments and Variations
Alternative embodiments of the inventive concept could include different types of redundant safety mechanisms, such as pressure sensors or proximity detectors. The instrument could also be designed for use in various medical procedures, including laparoscopic, endoscopic, or robotic-assisted surgeries.
Potential Commercial Applications and Market
The enhanced medical instrument with mechanical interlock and redundant safety mechanism has significant commercial potential in the medical device industry, particularly in the fields of laparoscopic and robotic-assisted surgeries. The instrument's improved safety and efficiency features could lead to increased adoption and market share.
Section 103 Obviousness Analysis (PHOSITA)
Field of Art
Medical device engineering, specifically robotic surgical instruments with mechanical interlocks and safety mechanisms for minimally invasive procedures
Person of Ordinary Skill (PHOSITA) Profile
A biomedical engineer with expertise in surgical instrument design, mechanical engineering, and safety systems for medical devices, typically holding a master's or doctoral degree with 5-10 years of experience in medical device development
Obviousness Rationale
A PHOSITA would recognize that the published technical disclosure represents predictable variations and safety enhancements to the existing medical instrument design, utilizing standard engineering techniques to improve mechanical interlock and operational safety. The proposed modifications represent logical extensions of the source patent's core mechanical and functional principles, applying known safety engineering approaches to medical instrumentation. The variations demonstrate incremental improvements that would be apparent to a skilled practitioner seeking to enhance instrument reliability and user protection.
Obvious Combinations & Variations
Original Patent Information
| Patent Number | US 11,857,279 |
|---|---|
| Title | Medical instrument with mechanical interlock |
| Assignee(s) | Auris Health, Inc. |