A method for performing an acetabular arthroplasty in an acetabulum of an ilium may include locating an iliac canal of the ilium.

The iliac canal extends from the surface of the acetabulum generally toward a portion of the iliac ridge.

The stem may be configured to be implanted in the iliac canal.

An acetabular prosthetic device for implantation in an iliac canal and acetabulum of an ilium comprises a stem and an acetabular component.

An impacting step impacts a non-rotating bone removal tool aligned along the iliac canal such that the non-rotating bone removal tool removes bone within the iliac canal and forms a bone void.

A method for performing an acetabular arthroplasty in an acetabulum of an ilium may include locating an iliac canal of the ilium.

The iliac canal extends from the surface of the acetabulum generally toward a portion of the iliac ridge.

The stem may be configured to be implanted in the iliac canal.

An acetabular prosthetic device for implantation in an iliac canal and acetabulum of an ilium comprises a stem and an acetabular component.

An impacting step impacts a non-rotating bone removal tool aligned along the iliac canal such that the non-rotating bone removal tool removes bone within the iliac canal and forms a bone void.

In some method described herein for fusing the sacroiliac joint using an implant, an implant is screwed into the sacroiliac joint between the sacrum bone and the iliac bone.

Branch of the internal iliac artery, irrigating the external genitalia, anal canal and perineum.

An undercutting system ( 30 ) for preparing a region between ilium and sacrum for sacroiliac fusion.

The internal iliac artery is a branch of the common iliac artery.

Sacroiliac joint dysfunction: Caused by irritation of the sacroiliac joint.