Winged Grip PIVC Segmentation for Vein Protection
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Solution Overview
Problem
Winged infusion sets cause vein damage due to their integrated nature and steel composition, limiting their use for extended periods or multiple vascular accesses, as they are not typically left within the patient's vasculature.
Innovation Solution
Non-integrated peripheral intravenous catheters (PIVCs) with a winged grip that include blood control features and an adjustable grip component, allowing secure insertion and multiple accesses while minimizing blood exposure, and can be left in place for extended periods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a steel needle is used for vascular access, then insertion is facilitated and blood draw is enabled, but vein damage occurs and the device cannot be left in place for extended periods
Solution Approach 1:
The device is divided into separate components: an introducer needle with a grip component for insertion, and a catheter adapter with a catheter for prolonged use. The needle is withdrawn after insertion, leaving only the catheter in the vein, thus eliminating the harmful effects of leaving a steel needle in place while maintaining ease of insertion during the procedure.
Solution Approach 2:
The introducer needle is extracted from the catheter adapter after serving its insertion function. This allows the catheter to remain in the vein for extended periods without the damaging effects of the needle, while the needle's grip component facilitated easy insertion during the brief insertion phase.
2Object-affected harmful factors
If an integrated winged infusion set is used, then blood exposure is minimized, but the device cannot be used for multiple vascular accesses and extended periods
Solution Approach 1:
The system is segmented into an introducer assembly (needle with grip component) and a catheter adapter assembly. The introducer needle can be removed after insertion, allowing the catheter adapter to remain for multiple accesses and extended periods, while the integrated grip component during insertion minimized blood exposure similar to traditional winged infusion sets.
Solution Approach 2:
The device transitions from an integrated static configuration to a dynamic system where the introducer needle can be inserted and then removed, allowing the catheter to be used for multiple accesses over time. The grip component provides dynamic control during insertion, then the needle is extracted, enabling prolonged use.
3Duration of action of stationary object
If a non-integrated catheter is used, then extended use and multiple accesses are enabled, but blood exposure risk increases
Solution Approach 1:
The grip component of the introducer needle is merged with the catheter adapter structure. This integration ensures that during insertion, the grip component controls the needle's position and withdrawal, minimizing blood exposure. After insertion, the needle can be removed while the catheter remains, enabling extended use without increasing blood exposure risk.
Data Source
AI summary
A PIVC includes a catheter adapter having a catheter that extends distally from the catheter adapter, and an introducer needle that inserts through the catheter. The introducer needle has a grip component at a proximal end of the introducer needle. The grip component extends outwardly and distally to form a winged grip adjacent the catheter adapter when the introducer needle is inserted within the catheter. The grip component can be rotatable within the catheter adapter to allow repositioning of the winged grip with respect to the catheter adapter.