Ramón Castroviejo y Briones, a Spanish-American ophthalmic surgeon in New York from the 1920s onward, pioneered modern corneal transplantation. His name attaches to a family of microsurgical instruments — Castroviejo needle holders, scissors, and forceps — distinguished by spring-action handles (no finger rings), fine tips, and overall lengths optimized for the surgeon working under microscope. Castroviejo scissors are used in corneal and conjunctival cuts, microvascular anastomosis, and nerve repair. Tungsten carbide tips are standard in professional-grade variants. Lengths of 9 cm, 10 cm, and 11 cm cover ophthalmic, plastic, and microsurgical applications. The squeeze-to-cut handle permits much finer control than scissor finger-rings during microsurgery.
Castroviejo-Jacobson Micro Needle Holder — Smooth Jaws, Curved, With Ratchet, 18 cm (18.0 cm) — manufactured under reference NH 10-243-03. The curve angles the working tip away from the line of sight, the standard geometry for dissection in confined fields.
| Reference / SKU | NH 10-243-03 |
| Pattern | Castroviejo |
| Working length | 18 cm (180 mm) |
| Shape | Curved |
| Material | AISI 420 martensitic stainless steel (tungsten-carbide insert variants on TC SKUs) |
| Sterilization | Steam autoclave to 134 °C · EtO compatible |
| Quality system | ISO 13485:2016 · CE-marked under EU MDR 2017/745 · FDA establishment-registered |
- Castroviejo-Jacobson Micro Needle Holder — Smooth Jaws, Curved, Without Ratchet, 18 cm (NH 10-242-03)
- Castroviejo-Jacobson Micro Needle Holder — Smooth Jaws, Straight, Without Ratchet, 20 cm (NH 10-240-04)
- Castroviejo-Jacobson Micro Needle Holder — Smooth Jaws, Straight, With Ratchet, 20 cm (NH 10-241-04)
Sialkot has been the world’s primary cluster for surgical-instrument manufacturing since the late nineteenth century, when local steel workshops began supplying instruments to British military and civilian hospitals. Fizza Surgical’s facility continues that tradition, combining workshop craftsmanship with the metallurgy and quality systems modern medical regulation requires. Fizza products are exhibited at international medical-device trade fairs in Europe, the Middle East, and North America.





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