heater probe


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heater probe

A surgical instrument that is advanced through an endoscope and used to cauterize bleeding peptic ulcers. The probe applies thermal energy directly to the bleeding vessel, and works best when it is pressed forcefully onto the lesion.
See also: probe
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In our case, the patient required multiple modalities of endoscopic interventions to achieve hemostasis, ranging from mucosal injections of epinephrine to plasma argon coagulation and multipolar heater probes. While hemorrhage was adequately controlled in her case using more conventional methods, it is vital to have an understanding of all possible therapies available when treating life threatening hemorrhages, particularly associated with malignancy and their directed therapies.
where q is the heat output per unit length of the probe (J/m), e is the base of natural logarithms, and [DELTA][T.sub.m] is the maximum rise in temperature ([degrees] C) at a distance r from the heater probe (m) (Campbell et al.