IV Device Assembly with Collapsible Sleeve for Single-Handed Patency Checks
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Solution Overview
Problem
The patency of intravenous (IV) devices can be compromised while in use, leading to blockages that require additional medical interventions, increasing patient trauma and risk of inflammation and other medical issues.
Innovation Solution
An IV device assembly with a lumen forming a fluidic channel, a collapsible sleeve, and a patency instrument that can be translated to check the patency of the vascular access device, allowing for single-handed operation and reduced trauma to the patient.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional IV device assembly is used, then the device structure is simple, but patency checks require two-handed operation increasing patient trauma and intervention frequency
Solution Approach 1:
The patent combines the patency instrument with the IV device assembly by integrating it through the lumen and collapsible sleeve mechanisms. This merging allows the patency check function to be performed using the same hand that operates the IV device, eliminating the need for a second hand and reducing patient trauma from frequent interventions.
Solution Approach 2:
The patent employs a nested structure where the patency instrument is contained within the IV device assembly. The collapsible sleeve can be compressed to allow the patency instrument to be advanced through the lumen and into the catheter, enabling single-handed operation while maintaining a compact integrated design.
2Reliability
If patency checks are performed frequently to maintain device patency, then device reliability is improved, but patient trauma and intervention frequency increase
Solution Approach 1:
The patent enables the clinician to perform patency checks using the same hand that manages the IV device. The integrated design with the collapsible sleeve and lumen allows the patency instrument to be advanced and operated without requiring additional hands or complex maneuvers, making frequent checks more feasible and less traumatic for the patient.
3Length of moving object
If the collapsible sleeve is compressed to advance the patency instrument, then the instrument can be extended into the catheter, but the sealing interface must maintain integrity
Solution Approach 1:
The patent uses a dynamic collapsible sleeve that can be compressed and expanded. When compressed, the sleeve allows the patency instrument to advance through the lumen and into the catheter. The sealing interface is designed to maintain integrity during this dynamic compression and expansion, ensuring reliable fluid sealing while enabling instrument movement.
Data Source
AI summary
An IV device assembly may include a lumen forming a fluidic channel within the IV device assembly. The lumen may be fluidically coupled to a vascular access device (VAD) coupler via a funnel coupler, and an IV device assembly coupler at a proximal end of the lumen. The IV device assembly may also include one or more of the following: a collapsible sleeve formed coaxially around a first portion of the lumen and mechanically coupled to the funnel coupler, a patency instrument formed along a second portion of the lumen within the collapsible sleeve and into the VAD coupler, a translation handle that translates the patency instrument out of a distal end of the VAD coupler, and a fixed grip formed around the lumen to maintain a position of the IV device assembly relative to the translation handle.