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Plethysmographs, Whole Body

Definition : Plethysmographs designed to measure and record data and graphics (i.e., a plethysmogram) of thoracic gas volume and air hold in the lungs when the muscles of respiration are relaxed (i.e., the functional residual capacity [FRC]). Whole-body plethysmographs usually consist of a relatively small sealed chamber that includes a mouthpiece, pressure sensors, and nasal clips; the equipment may include a computerized unit with software to process the information and record the results. The patient is placed inside the sealed chamber and then starts breathing through the open or closed mouthpiece with the nostrils closed using the nasal clips. The volume of air within the lungs is calculated using the Boyle's law (P1V1= P2V2) for the conditions within the tight closed chamber. Values of the FRC can be used to assess diseases and airway passage restrictions; FRC increased values are a sign of obstructive diseases because some airways do not empty normally, while decreased values are signs of a restrictive disease.

Entry Terms : "Lung Plethysmographs" , "Lung Water Monitors" , "Volume Plethysmographs" , "Plethysmographs, Volume" , "Pressure Plethysmographs" , "Plethysmographs, Pressure" , "Body Plethysmographs" , "Plethysmography Body Boxes" , "Plethysmography, Body" , "Pulmonary Residual Air Volume Plethysmographs" , "Thoracic Gas Volume Plethysmographs" , "Whole Body Plethysmographs"

UMDC code : 13059

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1-8 of 8 Match(es).

ACI Medical LLC

Company Type: Parent

ACI Medical, LLC, is a biomedical engineering firm engaged in the research, development, manufacture and sale of therapeutic products and technologies for individuals with varying degrees of life-impairing vascular conditions.

Ambulatory Monitoring Inc

Company Type: Parent

Ambulatory Monitoring, Inc. has been an industry leader for more than 35 years providing quality equipment to monitor physiological functioning in ambulatory subjects. The company's Inductotrace System continues to provide state-of-the-art monitoring of respiration; its Motionloggers were the first commercial actigraph devices available for long-term, continuous monitoring of the sleep/wake patterns of subjects in their natural environment; and the PVT Psychomotor Vigilance Task Monitor is the gold standard in reaction time measurement.

Ascensia Diabetes Care US Inc

Company Type: Parent

Collins Medical Inc

Company Type: Parent

MGC Diagnostics Corp

Company Type: Parent

Morgan Scientific Inc

Company Type: Parent

In the field of companies involved in pulmonary function testing, Morgan Scientific, Inc. is unique. The company has been a fully independent US Corporation since 1980 and has provided uninterrupted sales and service for our customers free from interference or corporate acquisitions.

nSpire Health Inc

Company Type: Parent

nSpire Health develops and manufactures respiratory care products and provides related services. The company is focused on cardiopulmonary diagnostics, respiratory core lab services, and disease management solutions designed to improve health care productivity while increasing the overall quality of care.

Physicians Resource Network Inc

Company Type: Parent

Since 1983, PRN, Inc has progressed to become a national leader in the sale of New, Used, and Reconditioned medical equipment. PRN was born on the premise that reconditioned equipment can help our clients operate more profitably and our goal is to make the acquisition or selling of medical equipment a pleasant experience.

1-8 of 8 Match(es).