Mobile Infusion Device Spring Roller Mechanism
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Solution Overview
Problem
Conventional IV infusion devices restrict patient mobility due to their reliance on gravity, necessitating prolonged bed rest and limiting the effectiveness and efficiency of IV therapy.
Innovation Solution
A mobile infusion device that uses a rotation assembly with a spring mechanism and control mechanism to expel fluid from an IV bag without gravity, allowing for portable and continuous infusion, enabling patients to move freely during treatment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional IV poles using gravity are used to deliver infusion, then the device structure is simple, but patient mobility is restricted and they must remain confined to bed
Solution Approach 1:
The patent replaces the gravity-based mechanical system with an active pumping mechanism. The pump assembly actively propels fluid through the IV bag and tubing, substituting the passive gravitational force with an active mechanical pumping action, enabling patient mobility while maintaining infusion delivery.
Solution Approach 2:
The patent introduces dynamic control elements including a pump assembly with variable speed control and a microprocessor-based control system. These dynamic components allow the infusion rate to be adjusted and maintained regardless of patient position or movement, resolving the contradiction between mobility and effective infusion delivery.
2Productivity
If conventional gravity-based IV infusion is used, then the device is simple to construct, but the patient must remain non-ambulatory for prolonged periods
Solution Approach 1:
The patent creates a multi-functional device that combines infusion pumping, wireless communication, mobile computing capabilities, and patient monitoring functions. This universal device can support various infusion scenarios and patient needs, increasing productivity and patient throughput while managing complexity through integrated design.
Solution Approach 2:
The patent employs parameter changes by using a microprocessor control system that can dynamically adjust infusion rates, pump speed, and operational modes. This allows the device to adapt to different patient conditions and mobility levels, improving overall system productivity and patient throughput.
3Loss of time
If gravity-based IV poles are used, then the device structure is simple, but patient recovery time is extended and hospital bills increase
Solution Approach 1:
The patent incorporates feedback mechanisms through wireless communication modules and sensors that monitor infusion delivery and patient status. This feedback enables real-time adjustments to optimize recovery outcomes and reduce unnecessary hospital stays, addressing the time loss issue while managing device complexity through intelligent control.
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
Enhances patient mobility and reduces recovery time by allowing IV therapy to be administered without the need for constant bed rest, thereby reducing healthcare costs and increasing patient throughput.
Implementation Method 1
a spring mechanism operatively coupled to the at least one roller to rotate the at least one roller in order to move the bag and apply a force to a portion of the bag to expel fluid from the bag during use
Data Source
AI summary
Various embodiments are described herein for a mobile infusion device that does not use gravity to expel fluid from a bag. The device has a housing with a central chamber connected with an opening to receive a portion of the bag during use. A rotation assembly is coupled to the housing and includes at least one roller located within the central chamber and a spring mechanism operatively coupled to the at least one roller to rotate it to move the bag and apply a force to a portion of the bag to expel fluid therefrom during use. A control mechanism is operatively coupled to the rotation assembly and has a control assembly to control rotation of the rotation assembly and a user interface coupled to the control assembly to allow a user to select a mode of operation for the device. The spring mechanism is recharged in standby mode. Various mechanisms can be used in various embodiments to improve functionality such as a gearing mechanism.