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rHead™ Extended Stem


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Foot & Ankle

The rHead™ Extended Stem is designed for use with the rHead Standard head (Morse taper). The stem is 50mm in length and has an angled collar to approximate the anatomic angle of the radial neck. There may be clinical situations including excessive radial head resection, distally migrated fractures, and/or persistent elbow/forearm instability (i.e. Essex-Lopresti) where additional intramedullary fixation may be necessary. In addition, for cases where revision of an existing radial head prosthesis is necessary due to compromised fixation and erosive changes of the intramedullary canal are present, the extended stem provides a means to supplement for the loss of bone. Cleared for press-fit or cemented use.

Indications for use when used with a hemi-elbow implant:

The SBi rHead Radial Head is indicated for use in replacement of the radial head for degenerative, or post-traumatic disabilities presenting pain, crepitation and decreased motion at the radiohumeral and or proximal radio-ulnar join with:

  • Joint destruction or subluxation visible on x-ray
  • Resistance to conservative treatment
  • Primary replacement after fracture of the radial head
  • Symptomatic sequelae after radial head resection
  • Revision following failed radial head arthroplasty

Indications for use when used with a UNI-Elbow™ implant:

The SBi Radial-Capiteller Implant is indicated for use in the elbow for reduction or relief of pain and/or Improved elbow function in skeletally mature patients with the following conditions:

  • Non-inflammatory degenerative joint disease including osteo-arthritis or traumatic arthritis
  • Inflammatory degenerative joint disease including rheumatoid arthritis
  • Correction of functional deformity
  • Revision procedures where other treatments and devices have failed and
  • Treatment of fractures that are unmanageable using other technologies

MKT 10443 Rev B

Extended Stem Video

Upper Limb Webinar Website





rHead Extended Stem


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Surgical Technique

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