Tensile Testing of Surgical Sutures
Sutures are used in a variety of different surgical procedures to close wounds and aid in tissue healing. They are manufactured from a multitude of absorbable and non-absorbable materials, and may be a single filament or braided, with or without a coating. Tensile strength is a critical measure of performance during and after surgical procedures. The strength of different knotting techniques must also be evaluated. Precise, consistent, and reliable measures of strength and strain are essential for product development and quality control.
The challenges of this type of testing are:
- Secure gripping of specimens
- Repeatable strain measurement
- Secure gripping of specimens – Pneumatic cord and yarn grips are ideal for performing tensile tests of suture specimens. The design of the grips ensure specimen alignment, reduce occurrence of jaw breaks, prevent slippage, and simplify specimen insertion.
- Repeatable strain measurement – The Instron model XL (long travel) extensometer is ideal for testing high strain materials, and allows for the use of multiple gauge lengths. The XL is easily applied to the specimen with one-handed operation.
5900 Universal Testing Systems are engineered for precision, built for durability, and offer the flexibility for changing requirements. They are designed with standard and optional features that increase testing efficiency and improve the testing experience for the operator. A wide range of models are available for testing capacities from < 100N up to 600kN.
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Instron 3300 Series Universal Testing Systems for Tensile, Compression, Bend, and other material property tests.
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Bluehill Universal Software is built from the ground-up for touch interaction and an intuitive user experience. Discover simpler and smarter testing with features such as pre-loaded test methods, QuickTest in seconds, enhanced data exporting: and Instron Connect – a new feature that provides a direct communication link to Service. Users of previous versions of software such as Bluehill 2 and Bluehill 3 can easily upgrade to the newest version of Bluehill.
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Catalog Number 2714-031 Rated capacity 50 kN (5 kgf, 11 lbf) Suitable for a wide range of linear densities (denier and tex)
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The Instron® model XL (long travel) extensometer is a precise device for measuring strain in highly extensible materials such as elastomers, semi-rigid plastics and films.
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