The suction cannula used for the suction and evacuation of the abnormal fetus, miscarriage, or spontaneous abortion.
Cannula with two openings scrap the tissue to cover the area and enhances suction during procedure Karman cannula used vacuum aspiration during the first trimester, the safest period for a method of surgical abortion.
The cannula available in plastic and metal made used in Obstetric and gynecology procedures. The cannula designed to scrap and suck the terminated fetus tissue and fluids. Used also in dilation and curettage (D &C)
It causes less damage to the uterine wall compared to other metal cannulas.
Available size of Karman cannula
The cannula used along with a manual vacuum aspiration syringe or suction device
4mm
6mm
8mm
10mm
12mm
Pros
Single-use products
Sterile
Less damage to the uterine wall
Good and easy to use
Cons
Cannot resterilize as recommended by the Manufacturer