Single-Handed Vascular Access Device with Integrated Hub
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for inserting guidewires and catheters into body spaces, such as the Seldinger Technique, often require two hands, leading to loss of ultrasound visualization and control, increasing the risk of complications like arterial puncture, hematoma, and venous thrombosis due to the need to switch hands during needle insertion and guidewire placement.
Innovation Solution
A single-handed insertion device that combines needle insertion, suction application, and guidewire insertion, allowing continuous ultrasound visualization and pressure monitoring, with a sheath to secure access and protect anatomical structures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If two hands are used for needle insertion and guidewire placement, then the procedure can be completed, but ultrasound visualization is lost and control is reduced, increasing complication risk
Solution Approach 1:
The patent combines the needle hub and syringe hub into a single integrated hub structure, allowing the operator to maintain ultrasound visualization with one hand while performing guidewire insertion through the integrated needle-syringe-g guidewire access and control, all while maintaining continuous ultrasound visualization. This eliminates the need to switch hands or release the ultrasound probe, thereby maintaining procedural safety and control throughout the procedure.
2Productivity
If hand switching is performed during the procedure, then guidewire insertion can be completed, but procedural time increases and complications arise
Solution Approach 1:
The integration of needle and syringe into a single hub allows the operator to perform guidewire insertion without releasing the ultrasound probe or switching hands, eliminating time-consuming hand switching steps and reducing overall procedural time while maintaining efficiency.
Solution Approach 2:
The syringe is pre-attached to the needle hub before the procedure begins, with the guidewire pathway already established through the integrated structure. This preliminary configuration eliminates the need for sequential assembly steps during the procedure, reducing procedural time and allowing immediate guidewire insertion after vein access.
3Adaptability or versatility
If separate needle and syringe components are used, then assembly is flexible, but the procedure requires multiple hands and increases complication risk
Solution Approach 1:
The patent merges the needle hub and syringe hub into a single integrated structure that maintains the functional independence of both components while enabling single-handed operation. The integrated hub allows the operator to hold the ultrasound probe in one hand and perform all needle insertion, suction, and guidewire insertion actions through the unified structure, eliminating the need for hand switching while preserving component versatility.
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
The device reduces procedural time, improves visualization, and decreases complications by enabling single-handed guidewire insertion while maintaining ultrasound guidance, thereby enhancing safety and efficiency in vascular access procedures.
Implementation Method 1
a suction apparatus, wherein the suction apparatus is configured to apply suction to confirm access to the targeted body space
Data Source
AI summary
An insertion apparatus for inserting an object into a body comprising a housing, a piercing structure with a lumen, wherein the piercing structure extends distally from the housing, a vacuum chamber that communicates with the lumen of the piercing structure, a plunger configured to fit within the vacuum chamber, a guidewire, and a pressure monitoring channel communicating with the lumen, wherein the insertion apparatus is configured to be operated with a single hand.