Artificial joint components including mechanized synovial fluid deflecting structures

An artificial joint prosthesis, comprising:

• a bone-facing surface of an artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo;
• a non-contact surface of the artificial joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the artificial joint prosthesis;
• at least one fluid deflection structure positioned adjacent to the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo;
• and
• a mechanism attached to the fluid deflection structure, the mechanism including piezoelectric material configured to move the fluid deflection structure to direct synovial fluid away from the bone-prosthesis interface in vivo.

A hip joint prosthesis, comprising:

• a bone-facing surface of a hip joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo;
• a non-contact surface of the hip joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the hip joint prosthesis;
• at least one fluid deflection structure positioned adjacent to the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo;
• and
• a mechanism attached to the fluid deflection structure, the mechanism including piezoelectric material configured to move the fluid deflection structure to direct synovial fluid away from the bone-prosthesis interface in vivo.

A knee joint prosthesis, comprising:

• a bone-facing surface of a knee joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo;
• a non-contact surface of the knee joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the knee joint prosthesis;
• at least one fluid deflection structure positioned adjacent to the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo;
• and
• a mechanism attached to the fluid deflection structure, the mechanism including piezoelectric material configured to move the fluid deflection structure to direct synovial fluid away from the bone-prosthesis interface in vivo.

A shoulder joint prosthesis, comprising:

• a bone-facing surface of a shoulder joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo;
• a non-contact surface of the shoulder joint prosthesis, the non-contact surface adjacent to the bone-facing surface of the shoulder joint prosthesis;
• at least one fluid deflection structure positioned adjacent to the non-contact surface, the fluid deflection structure positioned to deflect synovial fluid away from the bone-prosthesis interface in vivo;
• and
• a mechanism attached to the fluid deflection structure, the mechanism including piezoelectric material configured to move the fluid deflection structure to direct synovial fluid away from the bone-prosthesis interface in vivo.