IV Flush Valve and Roller Clamp for Over-Administration Prevention
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Solution Overview
Problem
Current IV flushing methods using roller clamps are prone to accidental over-administration of IV fluids, especially in hectic healthcare environments, posing risks to fluid-restricted patients, and existing IV regulators suffer from instability, inconsistent flow control, large footprint, and inability to immediately shut off fluid delivery.
Innovation Solution
A bypass line with a normally closed, push-button valve that allows temporary high-flow flushing, ensuring secure tubing retention and immediate shutoff, integrated with a compact roller clamp system for consistent flow control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If roller clamp is opened to allow high flow of saline for flushing, then flushing effectiveness is improved, but accidental over-administration risk increases
Solution Approach 1:
The roller clamp is made dynamically controllable through a push-button mechanism that temporarily opens the clamp for flushing while automatically returning to closed position afterward. This dynamic control allows high flow rate during flushing but prevents continuous high flow that would cause over-administration.
Solution Approach 2:
The system incorporates a feedback mechanism where the push-button valve senses when flushing is complete and automatically closes the roller clamp. This feedback loop ensures that high flow is maintained only during the flushing phase and automatically terminated, preventing accidental over-administration.
2Reliability
If micro-drip tubing is used to slow IV administration, then over-administration risk is reduced, but flow rate identification becomes difficult
Solution Approach 1:
The drip chamber is designed with visual indicators that make the flow rate easily identifiable even at low speeds. The chamber transparency and lighting design allow providers to clearly see and count drops, solving the visibility problem while maintaining safe flow rates.
3Ease of operation
If roller clamp is left open for extended period, then flushing is completed, but unintended fluid administration occurs
Solution Approach 1:
The push-button valve system is self-regulating and automatically closes the roller clamp after flushing without requiring manual intervention. This self-service mechanism eliminates the need for providers to manually monitor and close the clamp, preventing unintended fluid administration while maintaining ease of operation.
4Ease of operation
If IV bag flushing method is used, then convenience is improved, but time efficiency decreases in busy healthcare environments
Solution Approach 1:
The roller clamp is pre-positioned and ready for immediate activation. The push-button valve is pre-programmed to automatically open for flushing and then close afterward. This preliminary setup eliminates the need for providers to manually manage the clamp opening and closing, reducing the time required for flushing operations.
Data Source
AI summary
An intravenous (IV) tube flushing device for safely delivering medication flush without risk of accidental over-administration comprises multiple embodiments of a normally-closed system that prevents uncontrolled fluid flow. One embodiment comprises a spring-loaded push-button valve that temporarily opens to allow flow only while depressed by the user. Upon release, the valve immediately returns to its closed position, eliminating the risk of forgotten open clamps. In another embodiment, the device combines traditional roller clamp functionality with an integrated flush mechanism, featuring a hinged clamp design, wherein IV tubing is secured in a channel with multiple contact points. A spring-biased roller element provides variable flow control, while a pivotable flush actuator temporarily withdraws the roller element to allow unobstructed flow for flushing operations. Both embodiments address the critical safety issue of accidental IV fluid over-administration that can occur when healthcare providers forget to close roller clamps after flushing medication from IV lines.