The mechanics of bedsore

The mechanics of bedsore

December 31, 2017 ANT MEDIC 0

Normal capillary pressure is 2 ~ 4kpa, the external pressure exceeds 4kpa, pressure duration of more than 2-4h, it will affect the local tissue microcirculation, limiting blood flow, causing soft tissue ischemia, resulting in Pressure ulcers.

Fibroblast and wound repair

Fibroblast and wound repair

December 25, 2017 ANT MEDIC 0

Fibroblasts proliferate largely through mitosis and synthesize and secrete large amounts of collagen fibers and matrix components from 4 to 5 days or 6 days to form granulation tissue together with nascent capillaries to fill wound tissue defects.

Chronic venous ulcer pathogenesis

Chronic venous ulcer pathogenesis

December 18, 2017 ANT MEDIC 0

Continuous venous hypertension can cause local blood circulation and tissue absorption disorders, accumulation of metabolites, tissue malnutrition, lower extremity edema and skin nutrition changes, is the main cause of venous ulcers.