Sheath Placement

Sheath placement is the positioning of a tubular covering or guide around a biological structure, instrument, or access pathway to provide protection, support, or controlled passage. The sheath is introduced along a prepared route and secured so that it remains aligned while shielding surrounding tissue and stabilizing inserted devices. In laboratory and clinical biology, this process can support catheterization, localized delivery, sampling, or repeated access to an anatomical site. Accurate placement helps limit tissue disruption, maintain device function, and improve the consistency and reproducibility of experiments involving living systems.

Sheath Placement - Related Videos

Education

JoVE Science Education - Clinical Skills

Arterial Line Placement

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2023

Source: Sharon Bord, MD, Department of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA When monitoring patients, it is important to obtain values that are accurate and reliable. Blood pressure monitoring is one of the essential vital signs, and for a majority of patients, measuring it utilizing non-invasive techniques provides accurate values. However, there are situations in which the blood pressure requires more exact, specific, and reliable measurements.

Intraosseous Needle Placement

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2023

Source: Julianna Jung, MD, FACEP, Associate Professor of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA For unstable patients requiring urgent administration of medications, fluids, or blood products, establishing vascular access quickly is essential. However, there are many factors that can complicate placement of a peripheral intravenous cannula (PIV), and it is extremely common for PIV attempts to fail. PIV placement may be technically challenging in small...

Research

JoVE Journal - Medicine

Optic Nerve Sheath Point of Care Ultrasound: Image Acquisition

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Cited by 1 •

2023

Point-of-care ultrasound (POCUS) of the optic nerve sheath diameter (ONSD) has been shown to be useful in identifying patients with increased intracranial pressure (ICP). However, the non-standardized technique for this POCUS has hampered its use. We present a standardized image acquisition protocol for use in the acute care setting.

Types of Long-term Debt: Private Placements

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2026

Private placements offer a strategic alternative to public offerings for businesses seeking long-term financing. This method allows companies to raise capital by selling securities directly to select investors, bypassing the extensive regulatory requirements of public markets. While this approach streamlines the fundraising process, it often comes at the cost of higher interest rates due to the limited marketability and liquidity of privately placed securities.Key Benefits of Private...

Dynamic Navigation for Dental Implant Placement

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Cited by 9 •

2022

Dynamic computer-aided implant surgery (DCAIS) is a controlled implant surgical placement method performed without a surgical template using optical control. The real-time intraoperative control of movement and position of the surgical device simplifies the procedure and gives more freedom to the surgeon, providing similar precision as static navigation methods.

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