Manual Breast Pump With Rotating Handle to Reduce Muscle Load
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing manual breast pumps cause muscle strain due to repeated handle operation and are difficult to clean because of complex rotation mechanisms.
Innovation Solution
A manual breast pump design featuring a rotatable handle that adjusts to an intermediate position, a separable base part, and a simplified structure for easy cleaning, with a holding member to stabilize the base part and regulate rotation range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the handle orientation is fixed with respect to the main body, then the structure is simple, but the user cannot place joints at intermediate positions causing muscle load
Solution Approach 1:
The handle is designed to be rotatable with respect to the main body around the base part axis, transforming from a fixed static structure to a dynamic adjustable one. This allows the handle orientation to change during operation, enabling users to place their hand joints at intermediate positions and reduce muscle load while maintaining structural simplicity.
2Ease of operation
If a rotation mechanism is added to the handle, then handle adjustability is improved, but the mechanism becomes complex making cleaning difficult
Solution Approach 1:
The pump is divided into separable components including the main body, base part, and handle. The base part can be detached from the main body, and the handle can be detached from the base part, creating discrete segments that are easy to clean. This segmentation eliminates the need for complex internal rotation mechanisms while maintaining handle adjustability.
Solution Approach 2:
The handle is designed to be rotatable with respect to the main body around the base part axis, transforming from a fixed static structure to a dynamic adjustable one. This allows the handle orientation to change during operation, enabling users to place their hand joints at intermediate positions and reduce muscle load while maintaining structural simplicity.
3Ease of manufacture
If the base part is separate from the main body casing, then cleaning is simplified, but the holding mechanism becomes more complex
Solution Approach 1:
The pump is divided into separable components including the main body, base part, and handle. The base part can be detached from the main body, and the handle can be detached from the base part, creating discrete segments that are easy to clean. This segmentation eliminates the need for complex internal rotation mechanisms while maintaining handle adjustability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Reduces muscle strain during operation and simplifies cleaning by allowing handle adjustment and disassembly of components, while maintaining effective milk expression.
Implementation Method 1
a diaphragm generating a negative pressure in the communicating part and being provided at the base part
Data Source
AI summary
[Problem] To provide a manual breast pump in which a muscle load due to a repeated operation of a handle can be reduced, and in which a section contacting breast milk can be cleaned easily.[Solution] A manual breast pump includes a main body casing 31, a hood 4, a base part 32 which is held by the main body casing 31 and has a communicating part S4 connected spatially to an inner space S3, a diaphragm generating a negative pressure in the communicating part S4, a holding member 33 which is provided at the base part 32 and includes a wall part sandwiched between the main body casing 31 and the base part 32, and a handle 5 which is provided to be rotatable with respect to the main body casing 31 with an axis 325 of the base part 32 as the center, and is for an operation of deforming the diaphragm 34. When the handle 5 rotates with respect to the main body casing 31 with the axis 325 of the base part 32 as the center, the base part 32 rotates with the handle 5 with respect to the main body casing 31 with the holding member 33 interposed.