Bone access system

Details Bone access system Bone access system

2005-04-05

2005-04-05

Reip, David O. (Department: 3731)

Surgery

Instruments

Orthopedic instrumentation

C606S185000

Reexamination Certificate

active

06875219

ABSTRACT:
Instruments and methodology for nonlinear access to bone tissue sites are described. Embodiments disclosed include a conduit for delivering material or a medical device to a site and a core member that is able to steer the conduit and allow the combination to be advanced thorough cancellous bone. A cannula and stylet may be provided to first advance through hard bone. The core member includes a curved tip that may be straightened by the cannula or an actuator sheath to vary sweep of the curve. An obturator may be included in the system. This instrument may include a flexible portion as well. Each of the obturator and conduit may be provided with any of a variety of active tips. The systems may be used to perform hard tissue site implantation, for example, in connection with a high pressure injection system.

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