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Applications (Sutures (Types (Catgut (Absorbable, Animal Collagen),…

- - - - Absorbable
      - Animal Collagen
    - - Absorbable/Bioerodible
        
        PGA
        
        LLA
        
        TMC
        
        e-CL
        
        p-dioxanone
      - Non-Degradable
        
        Nylon 6,6
  - - - Natural
        
        Catgut
        
        Silk
      - Synthetic
        
        Textile Fibers
        
        PET
        
        Nylon
        
        PTFE
    - - Absorbable
        
        Degradation
        
        Time Period
        
        Short ~2 months
        
        Type
        
        Natural
        
        Enzymolysis
        
        Synthetic
        
        Hydrolysis
      - Non-Absorbable
        
        Non-Degradation
        
        Time Period
        
        Long >2 months
    - - Fabricated into fibres
        
        Maximize Strength
  - - - PGA > PLLA > PDO = PCL > PTMC
    - - PCL = PTMC > PDO > PGA = PLLA
    - - PGA > PDO > PLLA = PTMC = PCL
- - - - Prevalent
      - 3rd-4th degree burn patients
        
        Layers above dermis
      - Options
        
        Xenograft
        
        50%+ Burnt Area
        
        Porcine
        
        Autograft
        
        Patient Cells
        
        50%- Burnt Area
      - Scaffolds
        
        Requirements
        
        Wound-Wetting
        
        Hydrophilic Polymers
        
        Porosity
        
        Water Influx
        
        ~ 5mg/cm2.hr
        
        Epithelial Cells
        
        Dimensions
        
        Thickness Level for Optimum Nutrient Utilisation
        
        S = rL2/DC0
        
        S <<1
        
        1 more item...
        
        S = 1
        
        1 more item...
        
        S >>1
        
        1 more item...
        
        Optimum Bioerosion Rate
        
        Degradation Profile
        
        Biodegradable
        
        Tb: Bioerosion Time
        
        2 more items...
        
        Th: Healing Time
        
        2 more items...
        
        Scenarios
        
        3 more items...
        
        Non-biodegradable
        
        Require surgical removal after healing