Syringe Loading Mechanism with Sliding Housings for Medical Preparation
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Solution Overview
Problem
Existing medical product preparation machines require significant operator force and time to load syringes, posing safety and efficiency concerns, especially when handling batches.
Innovation Solution
A machine with a worktop featuring a device comprising a fixed and moveable portion, where the moveable portion slides parallel to the worktop, providing non-parallel housings for secure syringe fixation without the need for substantial force, allowing for quick and convenient syringe loading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If syringes are secured using push-fitting elements, then syringes are firmly secured to resist filling operations, but operator must apply considerable force which is dangerous
Solution Approach 1:
The device employs a dynamic clamping mechanism where movable jaws apply gradual securing force to syringes, replacing static push-fitting elements that require sudden high force. The movable portion slides along guides to progressively close clamping jaws around syringe bodies, distributing the securing action over time and reducing peak force requirements while maintaining firm fixation.
Solution Approach 2:
The patent introduces intermediary clamping jaws as mediators between the operator and syringes. These jaws transmit and distribute the securing force through a mechanical advantage system, allowing the operator to apply minimal force that is amplified and distributed across multiple contact points on the syringe body, eliminating the need for direct high-force push-fitting actions.
2Reliability
If syringes are placed in adaptors one by one, then syringes are securely loaded, but the loading process is slow
Solution Approach 1:
The device merges multiple syringe loading operations into a single coordinated action. Multiple clamping jaws simultaneously secure multiple syringes in one movement of the movable portion, combining what would otherwise require sequential individual operations. The fixed and movable portions work together to clamp multiple syringes across different positions at the same time, dramatically increasing loading throughput while maintaining secure fixation.
Solution Approach 2:
Syringes are preliminarily positioned in receptacles on the fixed portion before the clamping action occurs. This preliminary positioning ensures correct orientation and placement, allowing the subsequent clamping operation to securely fix multiple syringes simultaneously without requiring individual adjustment or verification steps that would slow down the process.
3Strength
If housings extend in non-parallel directions, then syringes are firmly fixed without substantial force, but device complexity increases
Solution Approach 1:
The patent employs asymmetric housing configurations where fixed and movable portions have housings extending in non-parallel directions. This asymmetric arrangement creates optimal mechanical interlocking with syringes, where the angled surfaces of housings work together to provide multi-directional support and resistance. The asymmetric geometry naturally distributes loads and provides inherent mechanical advantage, achieving strong fixation without requiring additional force or complex actuation mechanisms.
Data Source
AI summary
A machine for the preparation of a medical product with a worktop includes a hole for introducing syringes such that the injection points thereof are positioned for filling by the machine and a device for loading syringes. The device includes a fixed portion and a moveable portion, it being possible for the moveable portion to slide with respect to the fixed portion. The fixed portion includes housings for syringes that extend in a direction that is not parallel to that of the movement of the moveable portion. The moveable portion includes housings for syringes that extend in the direction of movement of the moveable portion. Two points of the movement of the moveable portion define a working position where the housings are aligned such that each pair of housings of the fixed portion and moveable portion receive the same syringe. The housings are misaligned in the loading position.