Docking arrangement for a manikin
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Solution Overview
Problem
Existing medical training manikins with removable limbs face challenges in ease of storage, transportation, tool-free operation, secure connections, and realistic movement simulation, particularly at major joints like the pelvis and thigh, and lack efficient signal transfer mechanisms.
Innovation Solution
A docking arrangement featuring a first locking part with a recessed portion and a second locking part with a slot, guide elements and grooves for secure mating, and a pivotable link system that allows for realistic movement and signal transmission between the limb and torso, enabling easy assembly and disassembly without tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the manikin limbs are made removable for easier storage and transportation, then the ease of storage and transportation is improved, but the connection security and stability may deteriorate
Solution Approach 1:
The manikin is divided into separable components (limbs and torso) that can be easily detached and reattached. The locking mechanism uses a pin with a recessed portion that engages with a slot in the locking part, allowing simple one-handed assembly and disassembly without tools while maintaining secure connections during use.
2Reliability
If a locking mechanism is added to secure the connection between limb and torso, then the connection security is improved, but the device complexity increases
Solution Approach 1:
The locking mechanism is designed to be self-contained and self-actuating. The rotatable locking part with the slot automatically engages with the recessed portion of the pin when rotated to the locked position, requiring no external tools or complex actuation systems. The guide elements and grooves automatically align the connecting parts during assembly.
3Adaptability or versatility
If a pivotable link system is implemented to simulate human thigh movement, then the movement realism is improved, but the device complexity increases
Solution Approach 1:
The link system incorporates pivotable connections that allow dynamic movement simulation. The first pivotable connection between the limb and link, and the second pivotable connection between the link and the first connecting part, enable realistic thigh movement patterns while maintaining a relatively simple mechanical structure.
4Manufacturing precision
If guide elements and grooves are added to ensure proper alignment during connection, then the manufacturing precision is improved, but the device complexity increases
Solution Approach 1:
The guide elements protruding from the first connecting part and the corresponding grooves in the second connecting part act as intermediary alignment features. These simple geometric features automatically guide the connecting parts into proper alignment during assembly, ensuring precise positioning without requiring complex adjustment mechanisms.
Data Source
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AI summary
This invention relates to a limb and torso docking arrangement for a manikin comprising -a first connecting part (1) for connection with a limb or torso of the manikin -a second connecting part (20) for connection with a torso opposite of the limb or torso of the manikin. The first connecting part (1) comprises a pin (3) and a guide element (4a, 4b, 4c) protruding from the first connector part (1) and a first plug part (5) for connecting the limb and the torso, the second connecting part (20) comprises an opening (21) and a groove (22a, 22b, 22c)adapted to respectively receive the pin (3) and the guide element (4a, 4b, 4c) of the first connecting part (1), said second connecting part(20)further comprises a second plug part (23), said first plug part (5) and second (23) part being positioned on the respective first connecting part (1) and said second connecting part (20) so that the plug parts (5, 23) are adapted to mate when said first connecting part (1) and second connecting part (20) being connected, said limb and torso docking arrangement further comprises a locking arrangement (25, 6, 28, 29) adapted to lock the first connecting part (1) and the second connecting part (20) together after mating.