Inventors:
Moti Altarac - Irvine CA, US
Shawn Tebbe - Oceanside CA, US
Joey Camia Reglos - Lake Forest CA, US
Yang Cheng - Foothill Ranch CA, US
Murali P. Kadaba - Foster City CA, US
Daniel H. Kim - Houston TX, US
Assignee:
VertiFlex, Inc. - San Clemente CA
International Classification:
A61B 17/70
Abstract:
An implantable spacer for placement between adjacent spinous processes in a spinal motion segment is provided. The spacer includes a body defining a longitudinal axis and passageway. A first arm and a second arm are connected to the body. Each arm has a pair of extensions and a saddle defining a U-shaped configuration for seating a spinous process therein. Each arm has a proximal caming surface and is capable of rotation with respect to the body. An actuator assembly is disposed inside the passageway and connected to the body. When advanced, a threaded shaft of the actuator assembly contacts the caming surfaces of arms to rotate them from an undeployed configuration to a deployed configuration. In the deployed configuration, the distracted adjacent spinous processes are seated in the U-shaped portion of the arms.