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Related Experiment Video

Updated: Nov 6, 2025

Selective Harvesting of Marginating-hepatic Leukocytes

Selective Harvesting of Marginating-hepatic Leukocytes

Published on: July 21, 2016

The Stocks suction bullet.

D R Kerr, J B Vonwiller, N Abrahams

Anaesthesia and Intensive Care

|August 1, 1978

Summary

This summary is machine-generated.

The Stocks suction bullet effectively maintains ventilation pressures during tracheal suctioning in intubated neonates. This device preserves positive pressure ventilation (PPV) and continuous distending pressure (CDP) during airway care.

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Last Updated: Nov 6, 2025

Selective Harvesting of Marginating-hepatic Leukocytes

Selective Harvesting of Marginating-hepatic Leukocytes

Published on: July 21, 2016

Selective Harvesting of Marginating-pulmonary Leukocytes

Selective Harvesting of Marginating-pulmonary Leukocytes

Published on: March 11, 2016

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

Published on: September 2, 2009

Area of Science:

Medical Devices
Pediatric Critical Care
Respiratory Therapy

Background:

Tracheal toilet in intubated patients requires maintaining ventilation and oxygenation.
Existing methods for tracheal suctioning can compromise positive pressure ventilation and continuous distending pressure.

Purpose of the Study:

To evaluate the effectiveness of the Stocks suction bullet for maintaining ventilation parameters during tracheal toilet in intubated patients.
To assess the device's ability to preserve positive pressure ventilation (PPV) and continuous distending pressure (CDP) in a simulated neonatal setting.

Main Methods:

An experimental apparatus with a dummy lung simulating neonates on C.P.A.P. or I.P.P.V. and P.E.E.P. was utilized.
The Stocks suction bullet was tested with various suction catheter types/sizes, lumen sizes, ventilator settings, and suction pressure limits.

Main Results:

The device successfully maintained ventilation peak pressures between 50% and 100% of pre-suction levels during tracheal toilet.
Continuous distending pressures (P.E.E.P. or C.P.A.P.) were maintained at or above 80% of pre-suction levels.

Conclusions:

The Stocks suction bullet is effective in preserving critical ventilation parameters during tracheal suctioning in intubated neonates.
This device facilitates safe and effective airway management in neonatal respiratory support.