A cannulated bar is a bar manufactured with a central hollow that has several medical applications. A cannulated bar is differentiated from a standard medical

cannula A cannula (; Latin meaning 'little reed'; : cannulae or cannulas) is a tube that can be inserted into the body, often for the delivery or removal of fluid or for the gathering of samples. In simple terms, a cannula can surround the inner or out ...

by its greater outer diameter and wall thickness.

Applications

Cannulated bars are used as

intramedullary rod An intramedullary rod, also known as an intramedullary nail (IM nail) or inter-locking nail or Küntscher nail (without proximal or distal fixation), is a metal rod forced into the medullary cavity of a bone. IM nails have long been used to treat ...

s for the fixation of long bone fractures.Ory, François & Fraysse, Jean-Luc & Veisse, Philippe. (2020). Cannulated bar technology for the orthopaedics: application and processing. MATEC Web of Conferences. The central hollow promotes marrow regrowth. In this application, a Kirschner wire may be fed through the hollow to provide fixation and traction at each end of the implant. Cannulated bars are also used as raw material, in the manufacturing of cannulated screws, drills, taps and medical instruments.

References

Medical equipment {{medical-equipment-stub