Sutures And Their Major Properties

Sutures are sterile threads that are basically used to repair cuts and lacerations of different sizes and shapes. Commonly called stitches, doctors or surgeons also use these surgical threads to close incisions from surgery. They exist to hold skin, internal organs and other body tissues together and support wound healing.

Sutures are such high-quality and flexible materials that they can also hold together blood vessels and help medical professionals a great deal. They are used in cases when skin or tissues are severed by either surgery, incision or injury.


Let’s look at some of the major properties of sutures -
  • Sutures are a very helpful medical tool used extensively in wound closure and also to enable wound healing
  • They are created using special materials to hold the skin or tissue together until sufficient wound healing takes place to support the stress
  • Flexibility, elasticity and tensile strength are three of the major properties of sutures as they lend it the core
  • Sutures or stitches are of many kinds, and they have different properties as per the uses and application
  • Sutures are generally classified into two types – absorbable and non-absorbable, based on their dissolving tendencies
  • Absorbable sutures are created to break down in tissues after a specific point or period of time and thus, need no  help from a doctor
  • The absorbable variety of sutures will degrade in the tissue as a wound or incision heals and they don’t require any removal
  • The body will fail to dissolve sutures of non-absorbable variety no matter how much it tries and it need a surgeon to remove the threads after a surface incision has healed
  • Sutures are created to be strong so that any risk of their breaking up remains out of the way
  • They will be non-toxic and hypoallergenic in nature purely to stop any adverse reactions or any infection risks in the body
  • Doctors will look for a certain degree of ease with tying and knotting the threads so they are made to be flexible
  • Sutures lack wick effect and they won’t allow fluids of any nature to enter the body from outside which is how infections are kept at bay
  • Suture classification is also done on the basis of the diameter of the thread where the tensile strength is often in proportion to the diameter
  • Natural and synthetic are two types of suture and this classification is based on the basis of raw material origin
  • While silk and catgut belong to natural categories of sutures, all others are classified into synthetic variety
  • Some sutures will have specialized coatings on the surface and this is done to boost various properties of the thread
  • Coating is applied to braided sutures and some of the common materials for coating include wax, chromium salt, silicon, PTFE and calcium stearate
  • It’s not uncommon to find sutures India with antibacterial or antimicrobial coating, and this step is done to enhance healing properties
  • Sutures are also classified as per their applications and uses, and some of the common among them include general sutures, cardiovascular sutures, orthopedic sutures, dental sutures and valve sutures
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