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Related Concept Videos

Tracheostomy Care II: Procedure01:25

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Tracheostomy care is an essential nursing skill that involves cleaning and maintaining a tracheostomy tube to prevent infection and other complications. Here's a step-by-step guide explaining each procedure with its rationale. Note that disposable gloves are to be worn at all times and changed as often as needed to maintain a sterile work environment, and to protect both patient and healthcare worker.
Step 1: Perform hand hygiene, and put on personal protective equipment: gown, gloves, mask...
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Tracheostomy Care I: Pre-procedural Steps01:16

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A tracheostomy is a surgical technique that involves making an incision in the neck to provide access to the trachea. It is frequently used in medical conditions such as airway obstruction and prolonged mechanical ventilation. Effective nursing management is crucial for the long-term success of a tracheostomy.
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Updated: May 23, 2025

Orthopedic Robot-Assisted Femoral Neck System in the Treatment of Femoral Neck Fracture
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Passive neck brace for surgeons.

Zixiao Yang1, Tejas S Sathe2, Meghal Shah2

  • 1Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA.

Annals of the New York Academy of Sciences
|March 10, 2025
PubMed
Summary

Surgeons may prevent neck pain with a bioinspired brace. This device mimics the nuchal ligament of grazing animals to support head weight, reducing muscular strain and preventing musculoskeletal disorders.

Keywords:
bracenuchal ligamentposturesurgical ergonomics

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Area of Science:

  • Biomedical Engineering
  • Biomechanics
  • Ergonomics

Background:

  • Prolonged head-down posture in surgery can cause neck pain and musculoskeletal disorders.
  • Humans have a reduced nuchal ligament compared to ungulates, limiting passive head support.
  • Ungulates utilize a strong nuchal ligament for sustained head support during grazing.

Purpose of the Study:

  • To design a bioinspired neck brace that passively supports head weight.
  • To reduce muscular strain on the neck for surgeons and others in similar postures.
  • To augment the function of the human nuchal ligament.

Main Methods:

  • Assembled a prototype neck brace using an elastic band, headband, and back posture corrector.
  • Modeled the mechanical advantage and torque reduction provided by the brace.
  • Calculated the reduction in neck muscle torque during ventral head flexion with the brace.

Main Results:

  • The prototype brace demonstrated the potential to offload neck muscular tension.
  • Calculations showed a 21% reduction in neck muscle torque at 40 degrees of ventral flexion.
  • The device allows for continued lateral flexion, ventral-dorsal flexion, and rotation.

Conclusions:

  • A bioinspired neck brace can effectively reduce neck muscular tension.
  • This proof-of-concept device offers a potential solution for preventing work-related neck injuries.
  • Further development could lead to ergonomic solutions for prolonged head-support tasks.