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[Design and application of a push-pull adjustable artificial dead space].

Ning Zhu1, Rui Su, Jianxin Zhou

  • 1Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing 100070, China. Corresponding author: Li Hongliang,

Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
|January 4, 2022
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Summary

A novel adjustable artificial dead space device corrects hypocapnia and induces hypercapnia for neurocritical care. This patented invention offers precise carbon dioxide regulation, improving patient treatment and diagnostic procedures.

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Area of Science:

  • Critical Care Medicine
  • Respiratory Physiology
  • Medical Device Innovation

Background:

  • Artificial dead space is crucial for managing hypocapnia and hypercapnia in neurocritical diseases.
  • Current methods use fixed-volume extension tubes, limiting individualized patient care.
  • Lack of adaptability in existing devices hinders precise respiratory management.

Purpose of the Study:

  • To design and patent an adjustable artificial dead space device.
  • To overcome the limitations of fixed-volume devices in clinical practice.
  • To provide a versatile tool for respiratory management in critical care.

Main Methods:

  • Development of a novel artificial dead space device with adjustable volume.
  • The device comprises a barrel body, piston head, and push-pull rod for volume adjustment.
  • Granted a national utility model patent (ZL 2020 2 0496413.4).

Main Results:

  • The adjustable device allows precise regulation of target carbon dioxide levels.
  • Successfully corrects spontaneous hyperventilation and induces controlled hypercapnia.
  • Facilitates termination of intractable hiccups and shortens asphyxia test times for brain death diagnosis.

Conclusions:

  • The adjustable artificial dead space offers a reliable, user-friendly, and cost-effective solution.
  • Significantly enhances scientific research and clinical applications in neurocritical care.
  • Represents a significant advancement in personalized respiratory management.