Laparoscopic Drain Tube with Nested Laparoscope Access
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Solution Overview
Problem
Existing laparoscopic surgical devices require large incisions due to their size, leading to significant scarring and increased surgical trauma.
Innovation Solution
A laparoscopic surgical device comprising a small diameter drain tube (2 mm to 5 mm) and a flexible laparoscope tube with a diameter of about 5 mm, allowing for minimal incision surgery and reduced scarring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If ordinary laparoscopic tubes are used, then surgical access is provided, but the incision size is large and scarring is significant
Solution Approach 1:
The surgical system is segmented into separate functional components: a small-diameter drain tube (2-5 mm) for drainage function and a separate laparoscope tube for visualization. This segmentation allows each component to be optimized independently - the drain tube can be very small for minimal incision while the laparoscope provides adequate visualization capability.
Solution Approach 2:
The small-diameter drain tube serves multiple functions: it acts as both the surgical drain and the access pathway for the laparoscope. This multi-functionality eliminates the need for separate large-bore access tubes, enabling minimal incision surgery while maintaining full surgical capability.
2Adaptability or versatility
If multiple incisions are made for camera and surgical tools, then surgical access is improved, but patient trauma and scarring increase
Solution Approach 1:
The drain tube is designed to serve as a universal access pathway for multiple surgical instruments and the laparoscope. This single access point replaces multiple incisions, reducing surgical trauma and scarring while maintaining the versatility to accommodate various surgical tools and visualization equipment.
Solution Approach 2:
The laparoscope and surgical tools are inserted through the drain tube in a nested configuration. The small-diameter drain tube acts as the outer tube, while the laparoscope and other instruments pass through its lumen, allowing multiple functions through a single minimal incision site.
Data Source
AI summary
A laparoscopic surgical device includes a drain tube having a first drain end and a second drain end. The drain tube has a diameter of 2 mm to 5 mm. A laparoscope tube having a diameter of 5 mm is located adjacent to the drain tube. The laparoscope tube has a fixed end and a free end. The drain tube functions as a surgical drain and the laparoscope tube provides an access path into a surgical site for a camera or tools for surgery.