Segmentation by type dissects the market into functional and material sub‑categories that determine product differentiation and pricing power. Adjustable‑curvature sheaths—featuring mechanical or pneumatic mechanisms—represent the premium tier, commanding higher margins due to their re‑configurability and integration complexity. Fixed‑curvature sheaths, by contrast, serve cost‑sensitive applications where a single curvature suffices, thus expanding the volume base. Material‑wise, stainless‑steel variants dominate high‑strength sectors, while polymer‑based sheaths cater to lightweight, corrosion‑resistant needs, and emerging composite constructions blend strength with weight savings for aerospace and defense uses. Design architecture further splits into single‑piece (integrated) and modular (interchangeable) formats, each influencing assembly time and lifecycle maintenance. Collectively, these type‑based distinctions shape the market taxonomy, guiding manufacturers on R&D allocation and informing buyers about cost‑benefit trade‑offs.