Related Experiment Video
Updated: May 13, 2026
05:51
Measuring Diaphragm Thickness and Function Using Point-of-Care Ultrasound
Published on: November 3, 2023
CareFusion 3100B high-frequency oscillatory ventilator diaphragms require pre-use inspection
Health Devices
|March 1, 2013
Summary
A rubber diaphragm in the CareFusion 3100B ventilator may fail prematurely, preventing ventilation. Inspect diaphragms regularly and replace if degraded to ensure device operability.
Area of Science:
- Biomedical Engineering
- Medical Device Technology
Background:
- The CareFusion 3100B is a high-frequency oscillatory ventilator crucial for patient respiratory support.
- Premature failure of the driver assembly's rubber diaphragm has been observed.
- This diaphragm failure can lead to a complete loss of ventilation capability.
Purpose of the Study:
- To identify and address the issue of premature rubber diaphragm failure in the CareFusion 3100B ventilator.
- To inform users about potential device malfunction and necessary precautions.
Main Methods:
- Analysis of reported diaphragm failures in the CareFusion 3100B.
- Review of the device's maintenance schedule and operator's manual.
- Development of revised user guidance and potential schedule adjustments.
Main Results:
- The rubber diaphragm in the driver assembly can fail before the scheduled 4,000-hour replacement interval.
- Device failure results in an inability to provide ventilation.
Conclusions:
- CareFusion is updating the operator's manual with new guidance.
- Users must inspect the diaphragm at each breathing circuit connection.
- Any 3100B unit with diaphragm degradation signs should be removed from service immediately to prevent ventilation failure.
Related Concept Videos
01:16Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
01:31Respiratory System Abnormal Finding II: Palpation and Auscultation
In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
01:29Mechanical Ventilation I: Indication and Settings
Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
01:23Mechanical Ventilation II: Invasive Ventilation
Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
01:26Tracheostomy Suctioning I: Pre-Procedural Steps
Tracheostomy suctioning is a critical procedure healthcare professionals perform to maintain a patent airway in patients with a tracheostomy tube. This procedure is necessary when secretions accumulate in the airway, causing respiratory distress. Here is a step-wise procedural guide for performing tracheostomy suctioning using an open system.
Equipment Required
First, gather all necessary equipment: a sterile suction catheter, a sterile disposable container, sterile gloves, a towel or...
Equipment Required
First, gather all necessary equipment: a sterile suction catheter, a sterile disposable container, sterile gloves, a towel or...
01:30Respiratory System Abnormal Finding I: Inspection and Percussion
Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...