Plethysmographs, Lower/Upper Limb

Definition : Plethysmographs designed for non-invasive measuring and recording data and graphics (i.e., a plethysmogram) of the volume and variations in volume of the limbs due to the presence and flow of blood in the peripheral vascular system. The primary techniques used are based on: (1) changes in volume or variations in the pulse volume waveform and amplitude (also known as segmental plethysmography); pulse volume recording (PVR) plethysmography; and pneumo plethysmography; (2) changes in the impedance (impedance plethysmography); (3) changes in the optical properties of tissues (photo plethysmography); (4) changes in pressure using a strain gauge transducer sensor. Other less common techniques are based on other parameters, such as capacitance and/or inductance variations. Dedicated plethysmographs intended for assessment of the blood volume and changes in the lower or upper limbs or both are also available.

Entry Terms : "Venous Pulse Recorders" , "Recorders, Venous Pulse" , "Plethysmographs, Limb" , "Limb Plethysmographs" , "Phlebographs" , "Lower/Upper Limb Plethysmographs" , "Upper/Lower Limb Plethysmographs"

UMDC code : 34573

U.S.companies only
Suppress Subsidiary Companies

1-3 of 3 Match(es).

Coulbourn Instruments

Company Type: Parent

Coulbourn Instruments has been providing quality behavioral and physiological research instrumentation to leading scientists worldwide for 40 years.

D E Hokanson Inc

Company Type: Parent

D.E. Hokanson, Inc. (Hokanson) provides noninvasive diagnostic instruments of the highest quality to the medical community - manufacturing instruments with a commitment to excellence in research, materials and workmanship.


Company Type: Parent

UMA, Inc. was founded in New York, NY in 1936 as a manufacturer of medical instrumentation. Its primary product was the Collens Sphygmo-Oscillometer, a blood pressure measuring instrument, used to assist a physician in diagnosing peripheral vascular deficiencies.

1-3 of 3 Match(es).


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