US 12,324,723 B1
Nose-only inhalation exposure plethysmograph for rabbits
Michael S Horsmon, Joppa, MD (US); and Dennis B Miller, Rising Sun, MD (US)
Assigned to U.S. Army as Represented by the Secretary of the Army, Washington, DC (US)
Filed by U.S. Army Combat Capabilities Development Command, Chemical Biological Center, Apg, MD (US)
Filed on Jun. 29, 2022, as Appl. No. 17/852,817.
Int. Cl. A61D 3/00 (2006.01); A01K 15/04 (2006.01); A61B 5/08 (2006.01)
CPC A61D 3/00 (2013.01) [A01K 15/04 (2013.01); A61B 5/08 (2013.01); A61B 2503/40 (2013.01); A61D 2003/003 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A plethysmography apparatus for a rabbit, comprising:
a head portion comprising a wall, a head cone extending from the wall, and a foot box extending from the wall, the head cone configured to receive a head of the rabbit via a head opening defined in the wall and the foot box configured to receive at least one front foot of the rabbit via a foot opening defined in the wall;
a neck restraint comprising a yoke and a seal, the yoke defining an opening configured to receive and retain a neck of the rabbit, the seal configured to seal around the neck of the rabbit; and
a body portion comprising a housing formed of at least one side wall and an end wall, the housing defining a chamber configured to hold a body of the rabbit, the body portion configured to engage with the wall of the head portion at an end of the housing that is opposite the end wall of the housing.