The interaction of electrosurgical bipolar forceps and
· · Electrosurgical tubal sterilization with bipolar forceps has shown a variable and, in certain studies, a high failure rate. Some physicians have questioned if failure rates are due to an incompatibility between bipolar forceps and bipolar generators of different manufacturers.
Use of Bipolar Laparoscopic Forceps to Occlude and
· Abstract. Background and Purpose: Surgical clips are commonly employed during laparoscopic radical nephrectomy to ligate perihilar vessels reliably, yet these clips can interfere with the application of a vascular stapler to major vessels, potentially leading to catastrophic hemorrhage. We assessed the efficacy of the PlasmaKinetic™ (PK) bipolar cutting forceps (Gyrus Medical, …
Vessel Sealing Using a Pulsed Bipolar System and Open Forceps
· Bipolar electrosurgery is particularly useful in laparoscopic surgery due to safety considerations, with contained current, decreased occurrence of stray current with undesired tissue effects, and no capacitive coupling. 3 Advanced bipolar electrosurgery systems use either pulsed or modulated energy for both cutting and coagulation.
Laparoscopic Vessel Sealing Technologies - ScienceDirect
· The dissecting abilities of various laparoscopic forceps have been reported previously , but the dissecting abilities of the newer-generation bipolar forceps and the ultrasonic shears have yet to be evaluated. Download : Download high-res image (32KB) Download : Download full-size image; Fig. 7.
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(PDF) Electrosurgical technology: Quintessence of the
of the new era in safe laparoscopic electrosurgical practicedcurrently available advanced bipolar technologies: an overall comparison based on available literature. 18,21,24
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“Energy devices in gynecological laparoscopy – Archaic to
· Thunderbeat™ (Olympus Medical Systems Corp., Tokyo, Japan) (TB) is the first device to integrate both ultrasonically generated frictional heat energy and advanced bipolar energy in one instrument. The ultrasonic technology rapidly cuts and precisely dissects tissue while the advanced bipolar technology provides reliable vessel sealing.
Comparison of two bipolar systems in laparoscopic
· The pulsed bipolar system is composed of a PK generator, which delivers intermittent pulses of bipolar energy and automatically monitors tissue impedance to the current to adjust power levels; 5-mm disposable plasmakinetic laparoscopic cutting forceps (45cm) designed with serrated jaws to grasp, coagulate, and cut vascular pedicles; and a .
Use of Bipolar Laparoscopic Forceps to Occlude and
· Background and Purpose: Surgical clips are commonly employed during laparoscopic radical nephrectomy to ligate perihilar vessels reliably, yet these clips can interfere with the application of a vascular stapler to major vessels, potentially leading to catastrophic hemorrhage. We assessed the efficacy of the PlasmaKinetic™ (PK) bipolar cutting forceps (Gyrus Medical, Minneapolis, MN) as a .
(PDF) Comparison of Two Bipolar Systems in Laparoscopic
Abstract and Figures. To compare the efficacy of 2 bipolar systems during total laparoscopic hysterectomy (TLH): the pulsed bipolar system (PlasmaKinetic; Olympus, Japan) vs. conventional bipolar .
Efﬁcacy of three adhesion-preventing agents in reducing
bipolar forceps (Karl Storz). After complete inspection of the peritoneal cavity, a 40-W current was applied for 2 seconds using bipolar forceps to coagulate a peritoneal area of 2 cm 2 cm on both the right and left abdominal sidewall surfaces. The intensity of the current was sufﬁcient to cause severe peritoneal trauma and
Thermal damage width and hemostatic effect of bipolar
· We aimed to determine the optimal bipolar electrocoagulation power for laparoscopic surgery and to investigate which method, bipolar electrocoagulation, advanced bipolar, or ultrasonic technique was more reliable. Goat mesenteric vessels (210 in vivo samples) with diameters of 3.03–5.44 mm were selected. Bipolar electrocoagulation with 80 W, 75 W, 70 W, 65 W, 60 W, 55 W, and 50 W, and .
Feasibility Analysis of Bipolar Electric Scalpel Forceps
For the solution of this trouble, it can be effective to improve the electrode and forceps blade shapes. In conclusion, we are sure of feasibility of the bipolar electrode scalpel function with multi-DOFs bending manipulator to ablate tissues and seal blood vessels for laparoscopic clinical applications.
UPDATE ON TECHNOLOGY: VESSEL-SEALING DEVICES |
FIGURE How energy-based vessel-sealing works (A) When the carotid artery of an animal model was sealed using a standard bipolar forceps, the lumen remained open and a proximal thrombus developed.(B) When LigaSure was used, the artery was fused and the lumen obliterated with one 5-second application.(C and D) When a renal artery was sealed with LigaSure, the lumen of the vessel …
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Bipolar needle electrocautery for laparoscopic partial
· Results. For the 12 laparoscopic partial nephrectomies, the mean operative time was 39 ± 30 minutes, and the mean blood loss was 90 ± 112 mL. Of the 12 cases, 10 (83%) were performed successfully with the bipolar needle electrocautery as the only source of hemostasis and without the need for ancillary hemostatic measures.
Laparoscopic energy sources – O&G Magazine
Indeed, the PKS Lyons forceps has the advantage of advanced bipolar electrosurgery with good dissection capability, but does require an additional laparoscopic scissor for tissue cutting. Hence, the decision to use a particular bipolar device may come down to …
Consistency and sealing of advanced bipolar tissue sealers
Introduction. Advanced bipolar and ultrasonic energy devices are now routinely utilized for sealing and transecting blood vessels in a number of surgical specialties such as gynecologic, urologic, cardio-thoracic, and colorectal. 1–4 Advantages provided by modern energy technologies over conventional monopolar electrosurgery include limited risk of thermal injury, elimination of dispersive .
US5258006A - Bipolar electrosurgical forceps - Google Patents
An instrument for cauterizing blood vessels while performing an endoscopic procedure includes a rigid outer tube with a proximal end, a distal end and an inner, semi-rigid, tube passing through the outer tube from its proximal end to its distal end. The inner tube has at least one lumen allowing passage of a pair of conductive leads therethrough.
(PDF) Bipolar needle electrocautery for laparoscopic
Successful use of the bipolar needle electrocautery device was defined as completion of the partial nephrectomy with minimal blood loss and without the need for renal arterial occlusion.As this was an acute porcine study, the animal was terminated after a similar laparoscopic partial nephrectomy was performed on the contralateral kidney.
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