| Material and Absorption Profile |
Common options include nonabsorbable polypropylene, nylon, polyester, and absorbable polydioxanone, polyglactin 910, poliglecaprone 25, and fast-absorbing gut. |
Material composition, absorption mechanism, labeled absorption period, tensile-strength-retention data, and applicable product standard. |
The material influences tissue reaction, scar quality, knot security, and the duration of wound support. |
20% |
| Suture Size Range |
USP suture sizes commonly used in soft-tissue procedures range from very fine sizes such as 6-0, 7-0, and 8-0 to larger sizes such as 0, 1, and 2. |
Available USP sizes, diameter tolerances, tensile-strength specifications, and consistency between production lots. |
Fine facial work often requires smaller diameters, while deeper tissue closure requires greater strength and handling security. |
12% |
| Needle Design |
Plastic surgery commonly uses reverse-cutting, cutting, taper, and taper-cut needles, selected according to tissue type and penetration requirements. |
Needle point geometry, curvature, length, attachment method, needle penetration testing, and available needle–suture combinations. |
Appropriate needle geometry can reduce tissue trauma and improve precision in delicate or layered closures. |
12% |
| Monofilament or Braided Construction |
Monofilaments generally have lower surface drag and less inter-filament space; braided sutures usually provide good handling and knot security but have a more textured structure. |
Construction type, coating composition, capillarity or wicking data where available, knot-pull strength, and handling evaluations. |
Construction affects passage through tissue, knot behavior, handling, and the management of contamination-sensitive wounds. |
10% |
| Sterilization and Package Integrity |
Sterile sutures should be supplied in intact, validated sterile-barrier packaging with a clearly stated expiry date and lot identification. |
Sterilization method, validation summary, sterility assurance information, packaging validation, seal testing, and transport simulation records. |
Sterility assurance and package integrity are essential to reduce contamination risk during invasive procedures. |
15% |
| Biocompatibility Evidence |
Biological evaluation should address relevant endpoints under ISO 10993, according to the device’s nature, duration, and type of tissue contact. |
Biological evaluation report, cytotoxicity and sensitization information where applicable, chemical characterization, and material safety documentation. |
Low tissue reactivity is important for wound healing, scar management, and patient safety. |
12% |
| Quality Management System |
A medical-device quality system should control design, manufacturing, supplier qualification, nonconformities, corrective actions, and change management. |
Current ISO 13485 certification or equivalent quality evidence, audit status, complaint handling, CAPA process, and change-notification policy. |
A robust quality system supports consistent performance and controlled manufacturing changes. |
10% |
| Regulatory Documentation |
Regulatory requirements differ by market and may include device registration, technical documentation, labeling controls, and post-market surveillance. |
Market-specific authorization or registration evidence, declaration of conformity where applicable, technical file availability, and vigilance procedures. |
Complete documentation helps hospitals meet procurement, compliance, and traceability requirements. |
8% |
| Traceability and Lot Control |
Each package should be identifiable by product code, lot or batch number, manufacturing information, and expiry date. |
Unique device identification support where applicable, lot-level certificates, recall procedure, retention samples, and complaint traceability. |
Clear traceability enables rapid investigation, targeted recalls, and reliable inventory control. |
6% |
| Clinical Handling Evaluation |
Relevant assessment points include memory, flexibility, needle attachment, knot security, drag, fraying, and breakage during simulated use. |
Bench-test methods, acceptance criteria, representative samples, surgeon feedback process, and product-performance trend data. |
Predictable handling supports accurate tissue approximation and efficient operating-room workflow. |
10% |
| Supply Continuity and Customization |
A dependable supply program should support required sizes, needle geometries, suture lengths, sterile pack formats, and controlled product changes. |
Capacity planning, minimum order quantities, documented lead-time commitments, safety-stock options, approved-equivalent policy, and escalation contacts. |
Continuity prevents substitution problems and helps maintain standardized surgical protocols. |
5% |
