The Most-Used Cutting Instrument in the OR
Every surgeon has a preference. Some reach for Mayo scissors almost instinctively at the start of a procedure. Others rely on Metzenbaum for tissue dissection. The difference matters more than most procurement teams realize — using the wrong scissors can slow a case, cause unnecessary tissue trauma, or compromise outcomes.
At Fizza Surgical International, we manufacture over 200 types of surgical scissors at our Sialkot facility, each designed for a specific application. Understanding these differences helps hospitals build smarter instrument sets and helps surgeons request exactly what they need.
Classification by Blade Shape
The first distinction in surgical scissors is blade configuration — straight, curved, or angled. This determines the primary application before handle style or length even enters the picture.
Straight-Blade Scissors
Straight scissors cut in a direct line and work well for suture cutting and superficial tissue trimming. They offer excellent visibility because there is no curve blocking the surgeon’s sightline. Straight Mayo scissors are the classic example, found in virtually every general surgical tray.
Curved-Blade Scissors
Curved scissors allow access to recessed anatomical spaces and dominate deep tissue dissection work. The curve lets surgeons reach around structures without awkward wrist angles. Curved Metzenbaum scissors set the standard for delicate tissue work in abdominal, thoracic, and pelvic surgery.
Angled and Offset Blades
Angled scissors are less common but essential in ENT and ophthalmology, where neither straight nor standard curved instruments reach efficiently. Potts-Smith scissors — used in cardiovascular surgery — are the most recognized angled type.
The Main Types by Clinical Use
Mayo Scissors
Heavy-duty, built for cutting dense tissue, fascia, suture material, and dressings. The blades are thick with a beveled grind that suits tough material. Mayo scissors are not intended for fine tissue dissection — the blade mass would cause unnecessary trauma to delicate structures. Standard lengths are 6 inches (15 cm) and 6.75 inches (17 cm).
Metzenbaum Scissors
Finer and distinctively longer-handled than Mayo scissors. The extended handle-to-blade ratio gives surgeons precise control deep in a body cavity. Blade tips are typically blunt-blunt or one sharp, one blunt. Standard lengths range from 5.75 inches (14.5 cm) to 11 inches (28 cm) for deep pelvic procedures. These scissors are strictly for soft tissue dissection — not for cutting suture or fascia.
Iris Scissors
Originally developed for ophthalmology and now widely used in microsurgery and plastic surgery. Small, extremely sharp blades in straight or curved configurations. Iris scissors can cut suture as fine as 6-0 without crushing the thread — something Mayo scissors cannot do. Standard length is around 4 inches (10 cm).
Tenotomy Scissors
Designed specifically for cutting tendons and fibrous tissue. The long, narrow blades on Stevens Tenotomy scissors allow precise controlled cuts in confined anatomical spaces — a common sight in ophthalmic and plastic surgery trays.
Bandage and Suture Scissors
Bandage scissors (Lister) have an angled lower blade with a blunt tip to slide under dressings safely. Suture scissors are lighter and finer than Mayo scissors, specifically sized to cut suture tails close to the knot without grasping unnecessary tissue.
Serrated vs Plain Blades
Serrated blade edges grip slippery or elastic tissue as they cut, preventing the cutting surface from sliding. This feature is frequently requested for gynecological instrument sets where tissue control is critical. Plain edges give cleaner cuts on dry tissue and are easier to resharpen. Fizza Surgical offers both options across all scissor types.
Blade Finish and Materials
Satin (matte) finish is the standard for OR scissors — it reduces glare under bright surgical lights. Mirror finish looks polished but creates reflective problems during procedures. Regarding steel: Fizza Surgical uses German 4116-grade stainless for standard lines and 420 or 440C for premium instruments. Edge retention matters significantly — 440C holds a cutting edge substantially longer than 420 grade, reducing resharpening frequency in high-throughput ORs.
All scissors from our facility carry CE marking and comply with ISO 13485:2016 quality management requirements. Dimensional QC, edge sharpness tests, and corrosion resistance checks are conducted on every batch.
Quick Reference Comparison
| Scissor Type | Blade | Primary Use | Typical Length |
|---|---|---|---|
| Mayo (straight) | Heavy, thick | Sutures, fascia, dressings | 6″ – 6.75″ |
| Mayo (curved) | Heavy, thick | Tough tissue, deep sutures | 6.75″ |
| Metzenbaum | Fine, long handle | Soft tissue dissection | 5.75″ – 11″ |
| Iris | Very fine, sharp | Microsurgery, ophthalmology | 4″ |
| Tenotomy (Stevens) | Narrow, long | Tendons, fibrous tissue | 4.5″ |
| Potts-Smith | Angled blade | Cardiovascular surgery | 7″ |
| Lister Bandage | Angled, blunt lower | Dressing removal | 5.5″ – 7″ |
What to Specify When Ordering
Procurement teams get better results when requests include: blade style (straight or curved), blade tip configuration (sharp/sharp, blunt/blunt, or sharp/blunt), overall length, surface finish preference (satin or mirror), and whether one or both edges should be serrated. OEM orders at Fizza Surgical start from 300 pieces per model, with custom branding and CE documentation included as standard.
A practical general surgical starting set: one pair of curved Mayo scissors, one straight Mayo, one curved Metzenbaum, and one Iris scissor. These four cover the cutting demands of most general surgery and gynecology cases.
Request a Quotation
Fizza Surgical International exports scissors and complete instrument sets to hospitals, distributors, and surgical supply companies across more than 50 countries. CE certification documents ship with every order. Contact our team for catalog access and pricing on any scissor type or custom set configuration.
Where We Serve
Fizza Surgical exports to 50+ countries. Browse our country-specific pages with local regulatory guidance and pricing: