Surgical Instrument Guide Tissue Separation and Depth Control
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Solution Overview
Problem
Surgeons face challenges in cutting tissues while minimizing damage to adjacent tissues, often requiring attention to multiple variables and tools, which can lead to slower procedures and increased risk of collateral damage.
Innovation Solution
A surgical instrument guide that lifts and directs tissue to facilitate a straight cut, separating the target tissue from adjacent tissues and reducing thermal energy transfer to prevent unintended damage, while being attachable to existing surgical instruments for convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a surgeon uses multiple tools to separate and retract tissue while operating a cutting instrument, then tissue separation and protection is improved, but device complexity and ease of operation deteriorate due to requiring simultaneous use of multiple appendages
Solution Approach 1:
The patent combines multiple functions (tissue retraction, separation, and cutting guidance) into a single integrated surgical instrument. The instrument includes a cutting blade, retracting elements, and separating elements all in one device, eliminating the need to use multiple separate tools simultaneously.
Solution Approach 2:
The surgical instrument is designed to perform multiple functions: cutting tissue, retracting tissue layers, and separating tissue planes. This multi-functional design allows a single instrument to replace what previously required multiple specialized tools, improving ease of operation while maintaining tissue protection.
2Reliability
If a surgeon monitors multiple variables during cutting (depth, heat transfer, blood loss), then tissue protection is improved, but productivity deteriorates due to slower cutting speed and surgeon distraction
Solution Approach 1:
The surgical instrument automatically controls cutting depth through its mechanical design, eliminating the need for the surgeon to constantly monitor and adjust depth. The instrument's structure inherently prevents excessive cutting by design constraints, allowing the surgeon to focus on the cutting action itself rather than monitoring multiple variables.
Solution Approach 2:
The instrument acts as an intermediary between the surgeon's intent and the cutting action, mechanically enforcing safe cutting parameters. The device structure mediates the cutting process by physically limiting depth and controlling tissue interaction, reducing the cognitive load on the surgeon.
3Productivity
If thermal energy is used for cutting, then cutting effectiveness is improved, but harmful factors increase due to heat transfer to surrounding tissue causing collateral damage
Solution Approach 1:
The instrument concentrates thermal energy precisely at the cutting site through localized delivery mechanisms. The thermal field is confined to the immediate cutting zone, preventing heat diffusion to surrounding healthy tissues. This localized thermal application maintains cutting effectiveness while minimizing thermal damage to adjacent structures.
Data Source
AI summary
A surgical instrument guide for facilitating treatment of a target tissue is provided. The surgical instrument guide may be placed between two groups of tissue such that a first group of tissue is cut and a second group of tissue is protected from being cut. The surgical instrument guide may lift tissue and slide tissue along a surface so that a target tissue may be cut to a desired depth more easily during a surgical procedure. The surgical instrument guide may be releasably attachable to a surgical instrument or integrally formed therewith.