MPR TKA Ball Joint Alvarado System

Ball Joint Style System for TKAs!


Knee Holder/Positioner with innovative Ball Joint Block and Ball Joint Boot that can tilt, rotate, flex or extend the knee into infinite positions

MIKP Three


 MIKP Combo



Complete MPR TKA Ball Joint Alvarado System, includes following components:


MPR-MIKP-PL Base Plate - 24"
MPR-MIKP-PL30 Base Plate - 30" (Optional)
MPR-BMP Base Plate Locking Clamp
MPR-MIKP-BJB MIKP Ball Joint Block
MPR-BJBT Universal Ball Joint Block Boot



Retrofit your existing system


Universal Ball Joint Boot also available separately to retrofit your existing knee positioner.  The boot is compatible with similar systems from other manufacturers (including IMP® DeMayo Positioner). Upgrades/replacements for Blocks, Base Plates, Locking Clamps, and Stabilizing Plates also available. Contact us for specific details.


MPR All-In-One Socket also available (MPR-CS-AIO, shown alone below left, and with TKA/Locking Clamp below right).



MPR Ball Joint Boot shown below on IMP® DeMayo Positioner.




CLICK HERE for complete system details


CLICK HERE for Instructions for Use and Cleaning


CLICK HERE for Instructional Video



Made in the USA.


A stable, time-proven orthopaedic product.


Trials are available and we offer trade-ins for excess equipment--please contact us!


IMP is a registered trademark of Innovative Medical Products, Inc. ("Innovative Medical Products"). Medical Products Resource and this website are not affiliated with, endorsed by, or sponsored by Innovative Medical Products.

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Additional Info

  • Unit of Measurement: Each
  • Catalog Number: MPR-MIKP-BJ