Modular inhalation tower for laboratory animals

Details Modular inhalation tower for laboratory animals Modular inhalation tower for laboratory animals

1988-01-06

1989-08-29

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

119 15, 119 521, A61M 1600

Patent

active

048607410

ABSTRACT:
An inhalation tower comprises two columns forming two concentric ducts each made up of segments fitted into one another. The segments forming the outer duct have an external annular portion at one end and an internal annular portion at the other end, the axial height of the latter being less than the height of the external annular portion, so as to leave a space for receiving a plate. The internal duct has radial connecting ducts which open into the end of a cylindrical cavity formed in the external segment, a space being reserved between the connecting duct and the diameter of an opening through the end of the cavity. The cavity is adapted to receive an inhalation chamber borne by the tray.

REFERENCES:
patent: 3548840 (1970-12-01), Baumgartner
patent: 4721060 (1988-01-01), Cannon et al.
"The Battelle Nose-Only, Flow Past Inhalation Toxicology Exposure System", 1976, by Battelle Centres de recherche de Geneve.
"The Flow-Past Chamber: An Improved Nose-Only Exposure System for Rodents", by Cannon et al., 1983.

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