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Why Does Chitin Is Used as a Surgical Thread?

FAQs Jackson Bowman July 18, 2022

Chitin is an absorbable suture material with suitable mechanical properties. Tissue reaction is not specific and the good healing which ensued provided evidence for a satisfactory biocompatibility. Toxicity tests, including acute toxicity, pyrogenicity, mutagenicity were negative in all respects.

Is chitin used as surgical thread?

5.3.

Chitin is considered as an absorbable surgical suture with great mechanical properties, biocompatibility, and biodegradability (Ciucă and Mihăilescu, 2015). There are different studies about the use of absorbable surgical sutures.

What is the thread used in surgery made of?

Today, most sutures are made of synthetic polymer fibers. Silk and, rarely, gut sutures are the only materials still in use from ancient times.

Which Fibre is used in surgical sutures?

Overall, our results showed the potential use of cellulose fibers from vegetal for surgical sutures due to excellent mechanical properties, rapid degradation, and no bacterial adhesion.

What polymer is used in surgical sutures?

Synthetic suture materials are made from a variety of polymers, including polyglycolic acid, polylactic acid, and polydioxanone. Monocryl™ is made from poliglecaprone 25 (a copolymer of glycolide and epsilon-caprolactone) and is manufactured by Ethicon®. Catgut suture is the original absorbable suture.

What is chitin used for?

Chitin is a structural component of arthropod exoskeletons, fungi cell walls, mollusk shells, and fish scales. While humans don’t produce chitin, it has uses in medicine and as a nutritional supplement. It may be used to make biodegradable plastic and surgical thread, as a food additive, and in paper manufacturing.

What is the function of chitin?

Chitin is one of the most important biopolymers in nature. It is mainly produced by fungi, arthropods and nematodes. In insects, it functions as scaffold material, supporting the cuticles of the epidermis and trachea as well as the peritrophic matrices lining the gut epithelium.

Which thread is best for surgery?

PDO threads have been around the longest and are made of a synthetic biodegradable polymer that has been used in surgery for many years. PDO threads are absorbed into the body over 6 months by hydrolysis and work by triggering fibroblasts to produce more collagen in a targeted area.

How do you make a surgical thread?

PDO threads have been around the longest and are made of a synthetic biodegradable polymer that has been used in surgery for many years. PDO threads are absorbed into the body over 6 months by hydrolysis and work by triggering fibroblasts to produce more collagen in a targeted area.

What are surgical stitches called?

What are sutures? ​​Sutures, also known as stitches, are sterile surgical threads used to repair cuts. They are also commonly used to close incisions from surgery.

Why are sutures coated?

Some types of sutures are available with specialized coatings on the surface to enhance properties like knotting, easy passage through tissue and reduce tissue reaction.

Which suture material is absorbable?

An absorbable suture material (e.g., Dexon, Vicryl, PDS, Maxon, or Monocryl) can be used. One strand is used, without interruption, for the entire laceration.

What is used for stitching wounds?

Sutures (Stitches)

This is the most common technique for closing skin wounds. A doctor uses a piece of surgical thread called a suture to sew (or stitch) two ends of skin together. Surgeons once used animal tendons, horsehair, pieces of plants, or human hair to create sutures.

Why are absorbable sutures used?

Absorbable suture material has the advantage of providing sufficient tensile strength for wound closure, while dissolving over time. This latter property minimizes the amount of foreign body material in a wound, thereby decreasing the risk of infection.

How are surgical sutures sterilized?

If you do sterilise sutures, the following should be considered. The two recommended methods are: Soak for a full 10 minutes completely immersed in povidone iodine 10% solution, then rinse in sterile saline/water. Ethylene Oxide – gas sterilisation.

How strong are surgical sutures?

Results: With the conventional surgical suture method (the addition of one throw on a surgeon’s knot), Surgilon proved to have the highest tensile strength (163.6 +/- 6.5 N). Other suture materials, when tied under the same conditions, slipped and did not reach the ultimate tensile strength.

References:

  1. https://www.sciencedirect.com/topics/materials-science/chitin
  2. https://en.wikipedia.org/wiki/Surgical_suture
  3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7765994/
  4. https://www.polymersolutions.com/blog/polymer-suture-methods-old-and-new/
  5. https://www.thoughtco.com/chitin-definition-4774350
  6. https://pubmed.ncbi.nlm.nih.gov/14610026/
  7. https://medcraveonline.com/JDC/hanging-by-a-thread-choosing-the-right-thread-for-the-right-patient.html
  8. https://www.youtube.com/watch?v=E6lz8MB3Ids
  9. https://www.urgentcare-sj.com/blog/understanding-the-different-types-of-sutures
  10. https://www.dolphinsutures.com/types-of-sutures/
  11. https://www.sciencedirect.com/topics/medicine-and-dentistry/absorbable-suture-material
  12. https://www.webmd.com/first-aid/stitches-staples-glue
  13. https://www.sciencedirect.com/topics/nursing-and-health-professions/absorbable-suture
  14. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1705723/
  15. https://pubmed.ncbi.nlm.nih.gov/16437352/

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