| 摘要 |
FIELD: medicine.SUBSTANCE: cryoprobe comprises a body with an in-built cannula and a tip with an adjustable end cap mounted at the free end of the tip, and a liquid nitrogen container. The other end of the tip is presented in the form of a cylinder gapped in the cannula between an outer surface of the cylinder and an inner surface of the cannula. The cylinder comprise a conic cavity tapering from the free end of the tip, whereas a side surface of the cylinder has through passages connected to the conic cavity and gapped between the cylinder and cannula.EFFECT: using the invention enables increasing the refrigerating power of the probe.1 dwg |
