Bipolar Forceps

Bipolar forceps are precision surgical instruments that combine tissue handling with localized electrosurgery, making them useful for controlling bleeding while limiting electrical exposure to surrounding structures. Unlike monopolar devices, they contain two electrodes on the forceps tips; when the tips grasp tissue, a high-frequency electrical current flows between them, producing localized heating that denatures proteins and seals small blood vessels. In biology and biomedical research, bipolar forceps support microsurgery, neurosurgery, ophthalmic procedures, and laboratory studies involving delicate tissues. Their controlled energy delivery can improve hemostasis and precision, although performance depends on tissue properties, pressure, and power settings.

Bipolar Forceps - Related Videos

Research

JoVE Journal - Biology

Imaging Exocytosis in Retinal Bipolar Cells with TIRF Microscopy

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Cited by 18 •

2009

In this video, we demonstrate how to label and visualize single synaptic vesicle exocytosis and trafficking in goldfish retinal bipolar cells using total internal reflectance fluorescence (TIRF) microscopy.

Education

JoVE Core - Introduction to Psychology

Bipolar Disorder

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2025

Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.

Research

JoVE Journal - Medicine
Free Sample

Calibrated Forceps Model of Spinal Cord Compression Injury

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Cited by 57 •

2015

Spinal cord injury models should be highly reproducible. We demonstrate that the calibrated forceps compression model of spinal cord injury is an easy to use surgical method for generating reproducible injuries to the murine spinal cord.

Bipolar Junction Transistor

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2024

Bipolar Junction Transistors (BJTs) are essential elements in electronic circuits, playing a crucial role in the functionality of amplifiers, memories, and microprocessors. These transistors can be designed as NPN or PNP based on their doping patterns. They consist of three layers: the emitter, base, and collector. The configuration of these layers and their respective doping levels—with N-type or P-type impurities—define the transistor's type and its operational characteristics. The structure...

Research

JoVE Journal - Behavior
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Developing a Rat Model for Bipolar Disorder

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Cited by 1 •

2025

This article presents a protocol for the induction of a unique rat model of bipolar disorder that captures both mania-like and depressive-like behavior.

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