Ergonomics and Design: Handles can be hand-held for manual retraction or designed to clip into table-mounted arms, allowing for hands-free, stable exposure of the surgical site.
Secure Blade Attachment: A positive engagement system, such as a ball-snap or cross-cut design, ensures a rigid connection between the blade and the handle, preventing blade movement and rotation during surgery.
Adjustable Locking Mechanisms:
Ratchet/Speedlock: These mechanisms hold the blade open in a fixed position for consistent retraction and tissue exposure.
Pivoting and Angle Adjustment: Some systems offer pivoting blades or handles with knobs that allow for precise up-or-down adjustments of the blade angle (e.g., ±45°) to adapt to patient anatomy.
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