Suction Needle Larva Transfer for Faster, Gentler Grafting
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Solution Overview
Problem
Current larval grafting operations in beekeeping are challenging due to difficulties in properly inserting and releasing larvae using traditional tools, leading to inefficiencies and potential damage, especially when royal jelly levels are low, and the process is time-consuming and prone to larval dehydration.
Innovation Solution
A larva-picker device with a hollow shaped needle and suction mechanism that allows gentle retrieval and transfer of larvae by creating negative pressure, enabling adherence to the needle tip without damaging the larvae, facilitating easier and faster grafting operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional larva-picker tools are used to manually transfer larvae, then the operation can be performed with simple equipment, but the operation time increases and larval damage risk increases due to difficulty in proper insertion and release
Solution Approach 1:
The patent applies pneumatic suction through a hollow needle to transfer larvae. The operator creates negative pressure by suctioning through the needle, which gently lifts and holds the larva without requiring precise mechanical insertion or delicate release movements, thereby increasing speed while reducing operational difficulty
Solution Approach 2:
The patent replaces the traditional mechanical lever-based larva-picker system with a pneumatic suction system. Instead of using mechanical leverage to lift and transfer larvae, the invention uses air pressure differentials created by human suction, eliminating the need for complex mechanical mechanisms and reducing operational skill requirements
2Loss of time
If traditional larva-picker tools are used, then the device structure remains simple, but the operation becomes time-consuming and larval dehydration risk increases
Solution Approach 1:
The pneumatic suction mechanism allows for rapid larval pickup and transfer. The negative pressure field created by suction quickly envelops and secures the larva, minimizing the time it remains exposed outside the cell and reducing dehydration risk while maintaining simple device structure
3Reliability
If manual larval grafting is performed by inexperienced operators, then no specialized training is needed, but the success rate decreases due to improper tool insertion and release
Solution Approach 1:
The suction-based mechanism is inherently more forgiving for inexperienced operators. The negative pressure field automatically secures the larva once the needle tip contacts it, eliminating the need for precise insertion angles or timing. Release is achieved simply by stopping suction, requiring minimal skill and significantly improving success rates across all operator skill levels
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
The device enhances the efficiency and success of larval grafting by reducing operation time, minimizing larval loss, and allowing production of higher-quality royal jelly and larger, more robust queen bees, thereby increasing productivity and profitability for beekeeping enterprises.
Implementation Method 1
upon creating a negative pressure within said channel by suction through said suction portion, and by arranging said first end portion adjacent to a larva contained in a cell, said larva adheres to said first end portion
Data Source
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AI summary
A larva-picker device (10) for removing a honey bee larva from a respective cell, comprising a hollow shaped needle (41) having a first end portion (41'), a second end portion (413) and a channel (40), and a suction portion (11), in fluid connection with said first end portion (41') of said shaped needle (41), said larva-picker device (10) being configured in such a way that, upon creating a negative pressure within said channel (40) by suction through said suction portion (11) and by arranging said first end portion (41') adjacent to a larva contained in a cell, said larva adheres to said first end portion (41') enabling the larval grafting of said larva.