Plethysmographic apparatus

Details Plethysmographic apparatus Plethysmographic apparatus

1993-06-29

1995-01-10

Cohen, Lee S.

Surgery

Truss

Pad

600 21, A61G 1000

Patent

active

053797787

ABSTRACT:
A plethysmographic device is disclosed which is adapted for receiving a laboratory animal for measuring pulmonary ventilation thereof. The plethysmographic device includes a containment member which defines a sealed environment and which includes as portions thereof at least a first and a second member and a seal. The first member is adapted to releasably engage the second member with the seal defining a self-supporting radial seal being provided therebetween for defining the sealed environment of the containment member. The containment member also includes an inlet and an outlet. The inlet of the containment member is in communication with a supply which is adapted to regulate the environment of the containment member. The outlet of the containment member is in communication with a response device which is adapted for monitoring the environment of the containment member. The first member includes as portions thereof a receptacle, a platform, and a base. The base is adapted to support the device in order that the first member will not collapse when released from engagement with the second member.

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Louis Diamond & Margaret O'Donnell, "Pulmontary mechanics in normal rats", J. Appl. Physiol.: Respirat. Environ. Exercise Physiol. 43(6): 942-948, 1977, USA.
Frantisek Palecek, "Measurement of ventilatory mechanics in the rat", J. Appl. Physiol. 27(1): 149-156, 1969, USA.

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