US 6,981,942 B2
Temporary blood circulation assist device
Kenneth Khaw, Plainsboro, N.J. (US); and John K-J Li, Robbinsville, N.J. (US)
Assigned to University of Medicine and Dentristy of New Jersey, New Brunswick, N.J. (US)
Filed on Nov. 19, 2002, as Appl. No. 10/300,467.
Claims priority of provisional application 60/331909, filed on Nov. 19, 2001.
Prior Publication US 2003/0135086 A1, Jul. 17, 2003
Int. Cl. A61M 1/12 (2006.01)
U.S. Cl. 600—16 46 Claims
OG exemplary drawing
 
1. A circulation assist device comprising:
at least one inflatable impeller having an impeller shaft and at least two blades;
a first collet and a second collet supporting the impeller shaft;
an inflatable stator housing connected to the first collet and the second collet and having an interior and an exterior surface enclosing the impeller;
a first drive shaft connected to a second drive shaft connected to the impeller;
an outer sheath surrounding at least a portion of the first drive shaft and connected to the stator housing; and
a motor connected to the first drive shaft.