Method for predicting length from elbow crease to cavoatrial junction
By predicting the Elbow Crease to Cavoatrial Junction Length using patient-specific data and mathematical formulas, the method enhances PICC insertion success and reduces complications by ensuring accurate catheter length determination.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- GYEONGSANG NAT UNIV HOSPITAL
- Filing Date
- 2024-12-11
- Publication Date
- 2026-06-18
AI Technical Summary
Existing methods for determining catheter length for peripherally inserted central catheters (PICCs) are often inaccurate due to a lack of consideration for individual patient physiological characteristics, leading to reduced success rates and increased complications.
A method for predicting the Elbow Crease to Cavoatrial Junction Length (ECL) using regression analysis based on patient data such as age, gender, height, and weight, with specific mathematical formulas for right and left arms, and a device for determining PICC insertion length by subtracting the distance from the elbow crease to the puncture site.
The method increases the success rate of PICC insertion, reduces complications, and minimizes patient discomfort by accurately predicting the required catheter length based on individual physiological characteristics.
Smart Images

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