Outcomes Study of the TM Reverse Shoulder System Used in Primary or Revision Reverse Total Shoulder Arthroplasty

Each investigator will screen from his/her patients who suffer from osteoarthritis, rheumatoid arthritis, post-traumatic arthritis, ununited humeral head fracture, irreduciable 3-and 4-part proximal humeral fractures, avascular necrosis, gross rotator cuff dificiency or failed total shoulder arthroplasty (both glenoid and humeral components require revision) who meet the inclusion/exclusion criteria stated in the protocol

Inclusion Criteria:

• Patient is > 18 years of age;
• Patient is skeletally mature;
• Patient qualifies for primary or revision unilateral or bilateral reverse total shoulder arthroplasty based on physical exam and medical history including the following: osteoarthritis, rheumatoid arthritis, post-traumatic arthritis, ununited humeral head fracture, irreducible 3-and 4-part proximal humeral fractures, avascular necrosis, gross rotator cuff deficiency or failed total shoulder arthroplasty (both glenoid and humeral components require revision);
• Patient is willing and able to provide written informed consent;
• Patient is willing and able to cooperate in the required post-operative therapy;
• Patient is willing and able to complete scheduled follow-up evaluations/questionnaires as described in the Informed Consent;
• Patient has participated in the Informed Consent process and has signed the IRB/ERB approved informed consent.

Exclusion Criteria:

• The patient is a prisoner;
• The patient is mentally incompetent or unable to understand what participation in the study entails;
• The patient is a known alcohol or drug abuser;
• The patient is anticipated to be non-compliant;
• The patient has one of the following compromising the affected limb: a significant injury to the upper brachial plexus, paralysis of the axillary nerve or a neuromuscular disease compromising the affected limb which would render the procedure unjustifiable;
• The patient has a local/systemic infection;
• The patient is known to be pregnant;
• The patient has marked bone loss;
• The patient has a known sensitivity or allergic reaction to one or more of the implanted materials;
• The patient is unwilling or unable to give consent or to comply with the follow-up program.