Thermoskin Patella Tracking Stabilizer Large 14.5 15.75 Wheelchairs X Wide Intelect Transport Nickel * Optional VB604 GN Intelect Transport Nickel * Optional Accessory for the following items: CHAT2783 CHAT2920 CHAT2782 CHAT2738K * Includes (12) standard hot packs * Mobile unit with locking casters * Size: 16 L x 24 W x 32 H * All Whitehall Thermalators feature thermostatically controlled water temperature seamless coved bottom for ease of cleaning lighted front mounted on off switch * Concealed heating element and snap off thermal protector to prevent overheating and hand burns * Large * Has a fully adjustable internal buttress which ensures correct positioning and control of patella movement * Allows vertical tracking of the patella during vertical flexion extension * Assists in the treatment of patella problems including instability pain and subluxation (looseness)