A comparison of a new polypropylene suture with Prolene

Area of Science:

• Materials Science
• Biomaterials Engineering
• Surgical Device Technology

Background:

• Polypropylene sutures are widely used in surgical applications due to their inertness and strength.
• Evaluating new suture materials like Surgipro against established benchmarks such as Prolene is crucial for clinical adoption.
• Understanding the impact of sterilization methods on suture properties is essential for maintaining performance and safety.

Purpose of the Study:

• To assess the performance of a new monofilament polypropylene suture (Surgipro).
• To compare Surgipro with commercial Prolene sutures.
• To investigate the effects of sterilization methods on polypropylene suture properties.

Main Methods:

• Comparison of fundamental properties: crystallinity, melting temperature, fiber morphology.
• Evaluation of mechanical properties: knot strength and knot security.
• Assessment of three sterilization methods (Ethylene Oxide, Autoclave, Co 60 gamma) on suture characteristics.

Main Results:

• Surgipro and Prolene sutures exhibited similar mechanical properties.
• Differences were noted in fundamental properties, especially in finer suture sizes, including homogeneous vs. distinctive fiber morphology and varying crystallinity/melting points.
• Surgipro sutures were less affected by sterilization methods compared to Prolene, maintaining tensile strength better across different sterilization techniques.

Conclusions:

• Surgipro is a viable alternative to Prolene sutures, offering comparable mechanical performance.
• Surgipro exhibits superior stability and less degradation when subjected to various sterilization methods.
• The distinct morphological and crystalline properties of Surgipro may contribute to its enhanced performance post-sterilization.