Split Basket Retrieval Handle for Endoscope Hand-Off Control
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Solution Overview
Problem
Conventional surgical tools with retrieval baskets attached directly to the luer port or working channel port of an endoscope do not allow for the surgeon to hand off control to an assistant, as the sheath and wire are not long enough to reach the objective head when the handle is removed, limiting flexibility and efficiency in surgical procedures.
Innovation Solution
A split handle design with a service loop allows the sheath and wire to remain connected to the forceps block, enabling the basket actuating functional unit to be used from a distance, with a controller that includes a movable plunger and sheath control unit for independent operation, allowing a surgeon to control the basket's position and an assistant to control the sheath position separately.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the basket device is attached directly to the luer port of an endoscope, then the tool maintains a compact structure, but the surgeon cannot efficiently hand off control to an assistant
Solution Approach 1:
The controller is divided into two separable sections: a first section with the wire actuation unit (basket control) and a second section with the sheath control unit. This segmentation allows the first section to be removed and handed to an assistant, enabling efficient control transfer while maintaining overall system functionality.
Solution Approach 2:
The first section of the controller containing the wire actuation unit is designed to be removable from the second section. This extraction capability allows the surgeon to separate the basket control functions from the sheath control functions, enabling the assistant to operate the basket device independently.
2Productivity
If the sheath and wire are retracted into the endoscope's working channel, then the tool structure is simplified, but the surgeon loses the ability to perform other tasks simultaneously
Solution Approach 1:
By segmenting the controller into separable sections, the basket actuation controls can be positioned within easy reach of the surgeon while the sheath control remains accessible. This allows the surgeon to maintain control of the tool while performing other tasks, improving overall productivity.
3Adaptability or versatility
If the controller is designed with integrated sheath and wire control, then the device structure is simplified, but independent control by assistant and surgeon is limited
Solution Approach 1:
The controller is segmented into a first section with wire actuation unit and a second section with sheath control unit that can be removably coupled together. This segmentation enables flexible control distribution where the surgeon can operate the sheath while an assistant operates the basket, enhancing adaptability for different surgical workflows.
Solution Approach 2:
The controller configuration is made dynamic through the removable coupling between sections. The system can transition between integrated and separated states, allowing flexible adaptation to different operational requirements and user preferences during surgical procedures.
Data Source
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AI summary
A tool for use by a surgeon for coupling to a working channel port and for operating a sheath and wire including a basket device for capturing an object to be removed from a body. The tool includes a controller adapted to be coupled to the sheath and the wire for selectively controlling the position of the wire with respect to the sheath and for operating the basket device between a first, closed position and a second, open position, the controller including a base portion having a wire actuation unit including a movable plunger for coupling with the wire and for moving the wire with respect to the sheath; and a sheath control unit removably coupled to the wire actuation unit for independently controlling the position of the sheath. The controller is configured to longitudinally move the wire and operate the basket device to selectively open and close the basket.