The Medical Device Sterilization segment is organized primarily by application, which determines the choice of sterilization type and drives revenue distribution. Surgical instruments represent the largest application, accounting for roughly 30 % of total sterilization spend, because high‑throughput hospitals require reliable steam or EO cycles. Implants (orthopedic, cardiovascular) follow at 25 %, where radiation and hydrogen‑peroxide plasma are favored for material compatibility. Diagnostic devices (e.g., test cartridges) contribute 20 % and increasingly rely on low‑temperature modalities such as vaporized hydrogen peroxide to preserve sensor integrity. Endoscopes and other reusable optics comprise 15 %, demanding complex chamber designs and validated cycle parameters. The remaining 10 % includes niche categories like dental handpieces and ophthalmic tools. Within each application, the Types sub‑segment—steam, ethylene oxide, gamma radiation, electron‑beam, hydrogen‑peroxide plasma, and low‑temperature plasma—allocates market share according to regulatory constraints, material sensitivity, and cycle time. This granularity underpins the overall Medical Device Sterilization and Microbiology Testing segmentation and informs investment priorities across the market taxonomy.