Medical Anastomosis Apparatus Radial Stapling
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Solution Overview
Problem
Current medical anastomosis techniques require skilled professionals and are time-consuming, especially when anastomosing blood vessels or organs, often necessitating artificial paralysis and posing challenges with circular vessels and small contact areas, leading to poor anastomosis and blood leakage.
Innovation Solution
A medical anastomosis apparatus featuring a cylindrical body with a pressing rod, guide member, and staple cartridge that allows for radial stapling of overlapping blood vessels or organs, using staple clips to securely anastomose blood vessels and organs with aortic resection sites, gastrointestinal resection, lung resection, and other complex surgeries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual stitching is used by skilled medical specialists, then anastomosis can be performed with precision, but it requires highly skilled professionals and takes a great deal of time
Solution Approach 1:
The patent replaces the manual mechanical stitching system with an automated stapling device. The stapling device uses a stapling member that is automatically driven to pierce and staple blood vessels, eliminating the need for manual needle and thread manipulation while maintaining anastomosis precision.
Solution Approach 2:
The stapling device is designed to be self-operating once positioned. The surgeon simply positions the device, and the stapling member automatically fires to complete the anastomosis without requiring continuous manual manipulation or high-level surgical skill for the stitching process itself.
2Adaptability or versatility
If conventional linear stapling devices are used, then longitudinal resection and stitching can be performed, but they cannot easily apply to anastomosis between circular blood vessels or organs
Solution Approach 1:
The stapling member is designed with a curved or arc-shaped configuration that matches the circular geometry of blood vessels and organs. This allows the stapling device to conform to and effectively staple curved surfaces, making it suitable for anastomosis of circular vessels and organ structures rather than just linear applications.
Solution Approach 2:
The stapling device is designed with universal applicability to handle various anatomical structures including circular blood vessels, organs, and different tissue types. The device can perform multiple functions such as clamping, stapling, and cutting in a single operation, making it versatile for different surgical scenarios.
3Reliability
If existing anastomosis apparatuses are used, then some blood vessels can be anastomosed, but the contact region between blood vessels is small in area leading to poor anastomosis and blood leakage
Solution Approach 1:
The stapling member is designed with multiple staple legs or prongs that distribute the stapling force across multiple contact points. This segmentation allows the device to create multiple small contact regions that collectively provide a larger effective anastomosis area, improving reliability while maintaining a compact device structure.
Solution Approach 2:
The stapling member extends in multiple directions or dimensions to engage with the blood vessel walls from different orientations. This multi-dimensional configuration increases the effective contact area between the stapling device and the blood vessels, ensuring better anchoring and reducing the risk of leakage.
Data Source
AI summary
A medical anastomosis apparatus is provided. The medical anastomosis apparatus includes a cylindrical body which has a hollow portion and extends in a longitudinal direction, a pressing rod which is provided inside of the hollow portion of the body to translate along the hollow portion, a knob which is coupled to the pressing rod to provide a driving force to translate the pressing rod, a guide member which is inserted into one end of the body and simultaneously coupled to expose a portion of the body and has a pressing unit formed therein to move radially upon translation of the pressing rod, and a staple cartridge which is inserted around an outer circumferential surface of the guide member and then coupled to the body and has built-in staple clips that protrude outward upon movement of the pressing unit.