In this study simultaneous paired stimulation of electrodes in cochlear implants is investigated by psychophysical experiments in 8 post-lingually deaf subjects (and one extra subject who only participated in part of the experiments). Simultaneous and sequential monopolar stimulation modes are used as references and are compared to channel interaction compensation, partial tripolar stimulation ...

We compare results of a hybrid monopolar vs. a hybrid bipolar thoracoscopic approach employing radiofrequency (RF) sources for the surgical treatment of lone atrial fibrillation (LAF). From January 2008 to June 2010, 19 patients (35.1%) underwent RF monopolar/monolateral RF ablation, whereas 35 (64.9%) had RF bipolar/bilateral thoracoscopic ablation. One-year time-related prevalence of postoper...

PURPOSE To compare bipolar resection with the conventional monopolar transurethral resection of the prostate (TURP) with respect to peri- and postoperative complications and long-term outcome. PATIENTS AND METHODS Patients with consecutive benign prostatic hyperplasia needing surgery (n=185) from the hospital's waiting list were randomized to TURP using either a bipolar or a monopolar system....

OBJECTIVE To compare the in-vitro efficiency of a hypertonic saline (HS)-enhanced bipolar radiofrequency (RF) system with monopolar RF applications by assessing the temperature profile and dimensions of RF-created coagulation necrosis in bovine liver. MATERIALS AND METHODS A total of 27 ablations were performed in explanted bovine livers. After placement of two 16-gauge open-perfused electrod...

The purpose of the study was to investigate dysfunctions in families with a member suffering from endogenous monopolar depression during the acute phase by means of a case-control study, and to consider the possibilities of psychiatric intervention for families with a patient in the course of monopolar depression. Twenty patients with monopolar depression during the acute phase and family membe...

Epidermoid cysts are notorious for their propensity to sneak into deep recesses between cranial nerves in the posterior fossa. Attempts to achieve complete excision using ordinary instruments when tempted by the seeming ease of dissection is known to cause unacceptable deficits. The Xomed monopolar stimulator electrode probe of the nerve integrity electromyography monitor has several advantages...

A multipole spin-down equation based on a monopolar term is derived from the general expression ν̇ = −f(ν, t) and used to study pulsar evolution. We show that the time-independent version of such equation cannot reproduce the observed properties of pulsars and conclude that there is no equation of the form ν̇ = −f(ν) consistent with the P − Ṗ diagram and braking index measurements. We explore the...