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What are Sutures and Types of Sutures

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Explaining Types of sutures, suturing materials, characteristics of ideal sutures, factors to determine suture selection.

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What are Sutures and Types of Sutures

  1. 1. What is Suture? Suture is a strand used to ligate the blood vessels and approximate the tissues. WWW.SUTURES.IN
  2. 2. THE IDEAL SUTURE An ideal suture must have following properties: Use for any procedure Easy to Handle Minimal Tissue Reaction High Breaking Strength Holds Knot Securely Absorbable Predictable Absorption Sterile WWW.SUTURES.IN
  3. 3. Characteristics of Sutures Absorbable Breaking strength – Limit of tensile strength at which suture breaks Capillarity – Extent to which body fluid absorbed in the body Elasticity- Measure of the ability of the material to gain its original form after deformation (Silk) Knot strength – Amount of force necessary to cause a knot to slip Memory – Inherent capability of suture to return to or to maintain its original gross shape – Polypropylene Plasticity – Measure of the ability to deform without breaking and to maintain a new form after relief of the deforming force - polypropylene Pliability – Ease of Handling Tensile strength – Amount of tension or pull the suture can withstand before it breaks Wound breaking strength – Limit of tensile strength of healing wound at which separation wound edge occurs. WWW.SUTURES.IN
  4. 4. Suture size Size refers to the diameter of the suture strand. The more zeroes characterizing a suture size, the smaller the resultant strand diameter (eg, 4-0 or 0000 is larger than 5-0 or 00000). The smaller the suture, the less tensile strength of the strand. WWW.SUTURES.IN
  5. 5. CLASSIFICATION OF SUTURES ABSORBABLE NONABSORBABLE MONOFILAMENT MULTIFILAMENT (BRAIDED) SYNTHETIC NATURAL WWW.SUTURES.IN
  6. 6. ABSORPTION TERMINOLOGY (Absorbable Sutures) LOSS OF TENSILE STRENGTH ABSORPTION OF MASS WWW.SUTURES.IN
  7. 7. Loss of Tensile Strength Definition Tensile Strength retention refers to the amount of strength “INVIVO” that a suture material has retained. This can be measured in days and as a percentage of original strength Loss of Tensile strength can take place without any visible loss of suture bulk WWW.SUTURES.IN
  8. 8. WWW.SUTURES.IN Absorbable PGA Polyglactin 910 Polydiaxonone Polyglecaprolactone Catgut Non – Absorbable Nylon Silk Polypropelene
  9. 9. Factors that determine suture selection Surgeons familiarity with the suture Physical & biological characteristics of the suture Healing characteristics of the tissue in which it is placed Presence of infection or contamination Patients age, weight and status of health and expected postoperative course of the patient Cosmetic results WWW.SUTURES.IN
  10. 10. WWW.SUTURES.IN Thank You HLL Lifecare Limited follow us here

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