Endoscopic Surgical Device with Interlocking Coupling Mechanism
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Solution Overview
Problem
Current endoscopic surgical systems face challenges in obtaining a stable and optimal image during laparoscopic surgery due to the need for separate operation of endoscopes and treatment tools, leading to increased surgeon stress and complexity, with potential interference between the surgeon's and endoscopic technician's hands.
Innovation Solution
An endoscopic surgical device and guide device that interlock an endoscope and a treatment tool within an overtube, allowing for independent and interlocking movement of the instruments via a coupling member that changes between relaxed and tensioned states, enabling single-handed operation and reducing unnecessary movement and image instability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the endoscope and treatment tool are operated separately by different personnel, then the surgical procedure can be performed with specialized roles, but the operation time increases and the complexity of coordination increases
Solution Approach 1:
The patent combines the endoscope and treatment tool into a single integrated instrument that can be operated by one surgeon. The endoscope portion includes an optical system for visualization, while the treatment tool portion includes functional elements for surgical intervention. This merging eliminates the need for separate operators and reduces coordination complexity.
Solution Approach 2:
The integrated instrument serves multiple functions: the endoscope portion provides visualization and the treatment tool portion provides surgical capabilities. This multi-functionality allows a single operator to perform both diagnostic and therapeutic tasks simultaneously, reducing operation time and eliminating the need for separate specialized roles.
2Stability of the object's composition
If the endoscope and treatment tool are interlocked to move together, then the image stability improves, but the device complexity increases
Solution Approach 1:
The endoscope and treatment tool are merged into a single integrated instrument where the optical system and treatment functional elements are combined. This merging ensures that both components move together as one unit, maintaining image stability without requiring separate interlocking mechanisms.
Solution Approach 2:
While integrated, the instrument is segmented into distinct functional portions: the endoscope portion with optical system for visualization and the treatment tool portion with surgical functional elements. This segmentation allows each portion to be optimized for its specific function while maintaining overall integration and movement coherence.
3Ease of operation
If a single surgeon operates both endoscope and treatment tool, then the operability simplifies, but the risk of hand interference increases
Solution Approach 1:
The endoscope and treatment tool are merged into a single integrated instrument that is operated by one surgeon using one hand. This merging eliminates the need for two separate operators whose hands might interfere with each other, as the entire instrument is controlled from a single operating position.
Solution Approach 2:
The integrated instrument provides both visualization and treatment capabilities in one device, allowing a single surgeon to perform all surgical tasks without needing a second operator. This multi-functionality simplifies the operating procedure and eliminates hand interference issues.
Data Source
AI summary
Provided are an endoscopic surgical device and a guide device that can satisfy the function of interlocking two medical instruments with each other. An overtube, which is punctured into a body wall and guides an endoscope and a treatment tool into a body cavity, includes an interlocking member that interlocks the forward and backward movements of the endoscope and the treatment tool with each other. The interlocking member is constituted of a first sleeve coupled to the endoscope, a second sleeve coupled to the treatment tool, and a corded flexible coupling member that couples the first sleeve and the second sleeve together. Accordingly, when the coupling member is in a relaxed state, the endoscope and the treatment tool independently move forward and backward, and when the coupling member is in a tensioned state, the endoscope and the treatment tool move forward and backward in an interlocking manner.