Overview

Needle guides attach to ultrasound probes to standardize needle trajectory for biopsies and injections. They improve accuracy and reduce procedure time for novice operators. Guides are available for various probe models and approaches.

Types and Compatibility

Guides are designed for linear convex and endocavitary probes with specific needle angles. Disposable and reusable guides exist depending on infection control policies. Compatibility with probe footprint ensures accurate alignment.

Technique and Limitations

Guides facilitate in plane and out of plane approaches but may limit needle angulation. Real time visualization remains essential to confirm needle tip location. Operator skill and ultrasound settings affect success.

Cleaning and Storage

Reusable guides require appropriate disinfection between cases. Storage protects guide geometry and attachment mechanisms. Documentation of compatibility and cleaning supports safe use.