Fabtech Crossover Extensible Knee Owner's Manual

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Crossover™ Extensible Knee

"Infinite Possibilities"

Congratulations on your decision to purchase a Crossover™ Extensible Knee! We have taken our original

Bartlett Tendon Knee (BTK) design and made it even better! The new Crossover™ is an ambulatory Extensi-

ble knee that transforms into a sports knee in less than three minutes!

This state-of-the-art prosthetic knee system will be very gratifying if you service and maintain it accordingly.

Please enter the serial numbers of your knee below. You will provide this number if the knee unit requires

servicing. Serial numbers are located on the knee frame under the protective cover.

This owner's manual contains the latest information for this model (as of June 2016). Future minor differ-

ences due to developments in the knee design cannot be ruled out completely.

All specifications are non-binding. LEFTSIDE Industries (Leftside) specifically reserves the right to modify or

delete technical specifications, prices, colors, forms, materials, services, designs, equipment, etc., without

prior notice and without specifying reasons, to adapt these to local conditions, as well as to stop production of

a particular model without prior notice. Leftside accepts no liability for delivery options, deviations from illus-

trations and descriptions, as well as misprints and other errors. The models portrayed (via included illustra-

tions) partly contain special equipment that does not form part of the regular scope of delivery.

Reproduction, even in part, as well as copying of all kinds, is permitted only with the express written permis-

sion of the copyright owner.

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Summary of Contents for Fabtech Crossover Extensible Knee

Page 1 Reproduction, even in part, as well as copying of all kinds, is permitted only with the express written permis- sion of the copyright owner. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 2 2. ABS protective cover 3. ABS protective X/CAM™ covers 4. Rubber socket flexion limiters 5. Urethane lower frame bumpers 6. Easy to access “On Demand” shock controls 7. RT3 pneumatic/hydraulic shock Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 3 5. Lower tendon retaining clamp 6. Multidurometer impact/kneeling pads 7. ABS protective cover system 8. SS removable X/CAM™ locking pin 9. Rubber socket flexion limiters 10. RT3 pneumatic/hydraulic shock 11. Tendon lock plate Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 4 5. Lower tendon retaining clamp 6. Urethane tendons 7. X/CLIP™ removable composite tendon connectors 8. RT3 shock pump 9. ABS X/CAM™ cover 10. ABS protective cover, knee frame 11. RT3 pneumatic/hydraulic shock Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 5 2. 30° Crossflex™ wedge 3. 40° Crossflex™ wedge When installing Crossflex™ preflexion wedges, take care as to not tear the foam section that locks into the knee unit. Note: For instructional video visit www.leftsideindustries.com Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 6 1. Placement of tendons into lower connector Back locking plate attached to connector Lower tendon connector Lower tendon connector in open position Lower tendon connector in closed position with locking plate Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 7: Table Of Contents
Walking the Patient and Adjusting the Shock 13-14 Sports Set Up 15-17 X/CAMs™ Lower Tendon Guide Rollers Lower Tendon Retaining Connector X/CLIP™ Upper Tendon Connectors Tendons Set Up Crossflex™ Preflexion Wedges Set Up Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 8: General Knee Description
Oilite™ self-lubricating bushings:  No maintenance with increased durability  Smooth motion in light use or heavy impact situations  Reduced play  All parts serviceable  Water and salt water resistant Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 9: Crossover™ Knee Kit Contents
Note: Available additional items NOT included in the Crossover™ kit:  Crossflex™ adjustable preflexion wedges are available for purchase in a three (3) pack kit (PN: C113)  85 durometer “VED” bumper set Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 10: Compatible Activities, Sports And Rehabilitation
 Build muscle  Kite boarding  Weight lifting / squatting  Scuba diving  Promote general fitness  Rowing / crewing  Increase active, quality time with family  Swimming Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 11: New Features And Benefits
Oilite™ bushings that require no service  Demo/trial program Technical Specifications  Maximum weight 125kg (275lbs)  Net weight 908g (2lbs)  Frame size 20cm (8 inches)  8° to 150° knee flexion available range Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 12: Understanding The Crossover™ Knee System
For example, snowboarding uses a 30° preflexion position.  In general more air is added to the shock during heavy sport activities in combination with the tendon and X/CAM™ system. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 13: How The Systems Work Together
They are connected with removable hardware or they can be bonded to the socket.  Optimal location is between 5” to 9” proximal of knee center.  Ensure the tendon has a clear path on the socket to the tendon guide wheel. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 14: Lower Tendon Connector
This position is suggested if the amount of flexion tension with the tendon is desired in the very least amount of tension as the X/CAM™ will not engage during knee flexion. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 15: Rt3 Shock
VED bumpers come in 75° and 85° durometer ratings and can be in- terchanged to address knee performance during stance phase. 85 du- rometer VED pads can be ordered separately. ( Page 26) Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 16: Alignment And Initial Ambulation Settings
3. Set all shock settings to the zero position. (Page 11-12) 4. Remove protective covers for easy adjustments. 5. Attach Crossover™ to prosthetic. 6. For recommended beginning alignment. (Figure 2) Figure 2 Figure 1 Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 17: Alignment And First Time Knee Set Up
Premature knee flexion may result from a weight line position too posterior to the knee axis and will make the knee unstable. Figure 2 Figure 2/A Figure 2/A displays alignment with a socket flexed at10 degrees. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 18: Understanding Shock Controls
6 O’clock position = Highest flexion resistance. “Lock” (Figure 6) Figure 5 Note: With higher air pressures the 6 O’clock setting can act as an on demand extension lock. Figure 6 Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 19 High air pressures create more resistance and are better for heavy impact sport.  Lower air pressures create less resistance and are better for walking.  You can run 1psi to 275psi depending on the user’s requirements and the activity. Figure 7 Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 20: Walking The Patient And Adjusting The Shock
 The patient should be at an air pressure range that they can walk with while the Blue Lever is in the 10 O’clock position. (labeled as “Unlock” on the shock) Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 21 When adding air go up at a scale of 5-10psi if you are close to where you’d like the patient to be. If not, close jump up 10-20psi at a time.  Repeat adjustment process as in Step 3 until desired ambulation is met. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 22: Sports Set Up
Using a 5mm Allen wrench remove the rubber caps on the lower part of Crossover™, replace with rubber tendon rollers and re-install. NOTE: all screws/ bolts are pre-Loctite but with frequent removal and re-install you may want to re-Loctite with Blue 242. Hand tighten. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 23: Lower Tendon Retaining Connector
Using a sharp (#1/.228) drill bit, drill the two mounting holes.  Remove the template. Large and small SS removable mounting hardware is included in the package. Use the best fitting hardware and mount the carbon clips. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 24: Tendons Set Up
The foam hook will create a lock on the inside of the knee holding the wedge in place.  Remove in reverse, being careful not to tear or damage the foam. Note: See video at www.leftsideindustries.com for example. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 25: Baseline Activity Recommendations Chart
Pedal (2) / Lock (6) 15-60psi Hockey Medium to Fast & 2 20º / 30º Pedal (2) / Lock (6) & 3 15-140psi Snow Kiting Medium to Slow 20º / 30º Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 26 Pedal (2) / Lock Medium to Slow 10-30psi Unlock (10) / Golfing Pedal (2) / Lock Medium to Slow 10-45psi Unlock (10) / Beach Days Pedal (2) / Lock Medium to Slow 10-30psi Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 27: Knee Maintenance
If you use the shock and knee in extreme conditions, compliance checks and maintenance should be performed more frequently. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 28 Knee frame. Inspect for any damage. Annually If damaged Inspect protective ABS cover 3mm mounting After each removal If damaged Hand tight screws. Annually If damaged Inspect nylon washers, rubber O-rings, and cir- clips. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 29 Knee frame. Inspect for any damage. After each sporting If damaged activity Inspect protective ABS cover 3mm mounting After each removal If damaged Hand tight screws Annually If damaged Nylon washers, rubber O-rings, circlips Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 30: Warranty
This warranty does not apply to products that have been incorrectly installed and/or adjusted according to the respective SRAM user manual. The SRAM user manuals can be found online at sram.com, rockshox.com, avidbike.com, truvativ.com, or zipp.com. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 31 While performing activities such as water skiing, kite-boarding or wave running where the shock is recommended, simply follow snow and water care instructions and don’t submerge shock for prolonged periods. Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 32: Service Contact Information
 Low profile adaptors  Feet for specific activities  Mounting carbon clips on flat base with adhesive  Short sockets  HiFi strut sockets – removable bridge  Tips Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 33: Set Up Reference Notes
RT3 Hydraulic Shock PN#:C112 Protective ABS Cover - (3 piece & hardware) PN#:C113 Crossflex™ Preflexion wedges - (20,30,40 degree kit) PN: C1S PLUSeries Composite Adhesive 50ml PN: G50 PLUSeries 50ml Dispensing Gun Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.
Page 34: X/Clip™ Mounting Template
The recommended height placement is 5” - 9” from the center of the knee. This is the recommended position of the proximal connectors. Center of ball Crossover™ Manual V1/62920016 ©Fabtech Systems LLC. All Rights Reserved.