maxium® smart C Electrosurgery Unit with maxium® smart Beam
88
Revision 1
Uro Coag
Uro Coag is a specialized coagulation current for use under liquids in combination with resectoscope loops.
Similar to surface coagulation (see section 4.2.2 “Monopolar coagulation”, page 14), here the HF energy is
directed into the tissue without or only with slight tissue contact. In this process, the energy independently
finds its way to the source of the hemorrhage through the blood, which is more conductive than the non-
conductive irrigation fluid (monopolar work, sorbitol-mannitol-sugar solution). The quality of the current
prevents “sinking in” of the electrode loop into the tissue upon tissue contact. Using the effect setting, the
voltage can be changed and thus the hemostatic effect slightly varied.
Danger of injury by ruptures!
Active accessories to be used with this current must be able to withstand an HF voltage of at least 2,500 V
(depending on the selected effect).
For the special risks posed by high electrical voltages, see section 5.4, page 24.
Attention is drawn in particular to the danger of the formation of pyrolysis and electrolysis gases, which
may accumulate upon application of HF current in fluid in body cavities such as the bladder or the uterus.
These gases can form explosive mixtures, leading to danger of deflagrations which may result in ruptures
if such accumulations are permitted to occur and electrosurgery is used in the area of such an
accumulation. For further information, refer to section 5.3, page 23.
Risk of injury due to mix-up of irrigation fluid!
Ensure use of the non-conductive irrigation fluid sorbitol-mannitol sugar solution.
When using saline or any other conductive solution, coagulation is very poor, and application of HF
current may cause severe local burns.
