Syringe Pump Visual Feedback for Mounting Clarity
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Solution Overview
Problem
Syringe pumps require improved operational clarity and ease of use, particularly during syringe mounting and operation, with current systems relying heavily on manual reference and lacking clear indication of proper operation or unusual conditions, and requiring burdensome routine inspections.
Innovation Solution
A syringe pump with a display unit showing graphical representations of operations before and after completion, along with detection parts for mounting and fixing the syringe, and a control unit that displays states and alerts for unusual conditions, ensuring easy operation and reduced operator burden.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a syringe pump is provided with a clamp and levers for fixing the syringe, then the syringe can be securely fixed, but the operation becomes complex and requires manual reference
Solution Approach 1:
The patent implements a display unit that provides visual feedback showing the current state of syringe mounting and fixing operations. The display unit graphically indicates whether the syringe is properly mounted, the clamp is correctly positioned, and the levers are properly engaged, allowing operators to verify correct assembly without consulting manuals.
Solution Approach 2:
The system performs self-verification of the syringe mounting process through detection parts that automatically check whether the syringe, clamp, and levers are properly positioned. The display unit then presents this verification information to the operator, enabling the system to guide itself through the correct assembly process without external manual intervention.
2Ease of operation
If detection parts are added to detect mounting and fixing operations, then operational clarity is improved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical verification mechanisms with electronic detection parts and a display unit. Instead of using mechanical interlocks or physical indicators, the system uses sensors to detect the presence and position of the syringe, clamp, and levers, then displays this information electronically, simplifying the overall system architecture.
3Ease of operation
If the display unit shows graphical representations of operations, then ease of use is enhanced, but power consumption increases
Solution Approach 1:
The display unit operates periodically, updating the graphical representations at intervals rather than continuously. The detection parts monitor the syringe mounting state continuously, but the display refreshes only when state changes occur or at predetermined intervals, reducing overall power consumption while maintaining operational clarity.
Data Source
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AI summary
A syringe pump (10) includes: a syringe mounting part (34) on which to mount a syringe outer cylinder (18) of a syringe (12a); a clamp (50) which is pulled downward by an elastic member, contacts an upper surface of the mounted syringe outer cylinder (18) and thereby fix the syringe outer cylinder (18); a slider (60) which holds a plunger flange (28) of a plunger (16) of the mounted syringe (12a) by levers (66) and which pushes out the plunger (16); and a liquid crystal monitor (102) of which the display is controlled by the computer (110). Regarding an operation of mounting the syringe outer cylinder (18) onto the syringe mounting part (34), an operation of setting the plunger flange (28) into the slider (60), and an operation of fixing the syringe outer cylinder (18) with the clamp (50), the liquid crystal monitor (102) alternately displays the respective states before and after the operations at a predetermined interval.