Leftside Industries Crossover G3 Infinity Knee User manual

Crossover™ 3G Infinity © Leftside Industries Inc. All Rights Reserved.
g3
INFINITY KNEE
MANUAL

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Crossover™ G3 Infinity © Leftside Industries Inc. All Rights Reserved.
WARRANTY
Leftside Industries Inc. warrants its products to be free from defects in materials
and workmanship for a period of 36 months from date of purchase. This warranty is
non-transferable and void if the serial number or production code has been altered,
defaced or removed. Claims must be accompanied by original proof of purchase. All
shipping costs are the responsibility of the party making the warranty claim.
This warranty does not apply to products that have been modified, incorrectly
installed and improperly adjusted. This warranty does not apply to normal wear, crash
impacts, abuse, or non-compliance with the manufacturer’s specifications.
Final determination of warranty claims is at the sole discretion of Leftside Industries
Inc.
LIMITATIONS OF LIABILITY
To the extent allowed by local law, except for the obligations specifically set forth in
this warranty statement, in no event shall SRAM or its third party suppliers be liable
for direct, indirect, special, incidental, or consequential damages.
LIMITATIONS OF WARRANTY
This warranty does not apply to consumable parts which will wear out through
normal operation of the knee. Damage may result as a result of incorrect installation
or improper use in conditions or applications other than those recommended by the
manufacturer.
Consumable Parts are identified below and are NOT covered by the 36 month
warranty.
• Urethane Tendons
• Variable Extension Dampening Bumpers
• Protective Rubber Cover
• Crossflex™ Adjustable Pre-Flexion Wedges
• Shock
Service / Technical Contact Information
Leftside Industries Inc.
Phone: [phone]
10:00AM - 4:00PM PST
Email: [e-mail]
4616 25th Ave NE [#285] Seattle, WA 98105

Crossover™ G3 Infinity © Leftside Industries Inc. All Rights Reserved. 3
Athletics
Rubber
Protective
Covers
Quick - Release
X/CAM™ System
3
Walk
2
• Maximum weight 125kg (275lbs)
• Net weight 908g (2lbs)
• Build height 213 mm
• 8° to 150° Knee flexion available
1
253 mm
213 mm
102 mm112 mm

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Crossover™ G3 Infinity © Leftside Industries Inc. All Rights Reserved.
!
Alignment | Initial Ambulation
4
Socket
bisection
!Warning! If patient is not stable they can fall during
this stage of fitting.
!If weight line is too anterior to knee axis, more eort
will be required to create a hyperextension moment.
!Premature knee flexion may result from weight line
position too posterior to the knee axis.
Reference
line
Pivot axis
• Establish knee center height
• Recommend 5° of socket flexion
• Position socket where alignment
reference line bisects lateral wall at the
ischial level of the socket passing through
or slightly posterior to the knee axis
• Remove any residual air pressure
• Set shock settings to zero position
• Crossover™ ultra lightweight 6061-T aluminum frame with stainless steel inserts
• 75 durometer-rated Variable Extension Dampening “VED” bumpers (installed)
• Removeable protective rubber impact covers
• A pair of urethane tendons, 236 mm long
• Removeable X/CAM™ system
• Crossflex™ preflexion foam wedges: 20°/ 30°/ 40°
• Shock Pump
• User Manual
• Warranty Card
G3 Infinity Knee - Kit Contents
The following items are classified as “Consumable Products” requiring replacement when visual wear, cracks,
or tears are present:
• Urethane Tendons
• VED Dampening Bumpers
• Crossflex™ Preflexion Foam Wedges

Crossover™ G3 Infinity © Leftside Industries Inc. All Rights Reserved. 5
!Image orientation reflects actual orientation of shock
when installed in the G3 Infinity Knee Frame
Adjustable Shock Controls
Flexion Resistance | Blue Lever
Counter-Clockwise Rotation = Faster Rebound
Clockwise Rotation = Slower Rebound
5Shock
Controls “dampening” with two positions
Unlock = Lowest Flexion Resitance
Lock = Highest Flexion Resitance
Extension Resistance | Red Dial
Controls “rebound” with 10 Micro-Adjustments
Air Pressure Adjustments
Flexion and Extension can be influenced by adjusting shock pressure
• High air pressures create more resistance for heavy impact activities
• Lower air pressures best suited for ambulatory use
• Maximum air pressure rating is 300 psi
Setting Shock for Initial Ambulation
Step 1 - Zero Set Point
• Set Blue Lever to Unlock position
• Rotate red dial clockwise until it stops
• Remove all air from shock by depressing valve with tool
Step 2 - Initial Set Point
• Blue Lever set to Unlock position
• Rotate red dial (4)clicks counter-clockwise
• Add 10 psi to shock with supplied air pump (Do Not Over-Tighten)
!
Change air pressure when
knee is fully extended
Step 3 - Ambualtion Set Point
• Ensure patient is in a secure environment with parallel bars.
• Set extension by rotating red dial: 10 micro-adjust settings available
• Set flexion by adjusting air pressure to achieve desired ambulatory pace

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Crossover™ G3 Infinity © Leftside Industries Inc. All Rights Reserved.
!When installing preflexion wedges, take care as to not tear the foam section
that locks into the knee unit.
The proprietary X/CAM™ system transforms the the G3 Infinity Knee into a dynamic
athletic prosthesis with increased fluidity and isotonic stability delivering smooth
energy absorption and return.
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Integrated Quick-Release X/CAM™ System
Quick-Release X/CAM™ and Pin
Tendon
4mm Attachment
Bolts
Crossflex™ wedges are designed to act like knee
cartilage, providing a small amount of compression
absorption reducing stress on the amputee’s limb.
User-installed to achieve the ideal preflexion angle and
position for high intensity athletic activities.
• Crossflex™ wedges require no tools
• Inserted within the knee axis
• Preflexion set at 20° / 30° / 40°
7Wedge
Note:
Polyurethane Wedges and 85 durometer-rated VED
Bumpers available for separate purchase. Some user’s
require increased support at knee axis.
!One or both tendons may be used to deliver optimal flexion and extension
resistance.

Crossover™ G3 Infinity © Leftside Industries Inc. All Rights Reserved. 7
• Single-axis pneumatic/hydraulic shock with swing and stance control adjustments
• Variable Extension Dampening “VED” bumper system
• Removeable X/CAM™ system with urethane tendon
• Crossflex™ preflexion foam wedges set at 20° / 30° / 40°
• Removable rubber protective impact covers
• Ultra lightweight 6061-T aircraft aluminum frame with stainless steel inserts
• Oilite™ self-lubricating bushings:
* No maintenance with increased durability
* Smooth motion in light use or heavy impact situations
* All parts serviceable
• Dirt, Water, and Snow Proof
• Designed for multispeed ambulation and athletic activities
• Salt water resistant
Design Features and Function
This owner’s manual contains the latest information for the current model. Future
product dierences due to developments in the knee design cannot be ruled out
completely.
All specifications are non-binding. LEFTSIDE Industries Inc. 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 Industries Inc. accepts no liability for delivery options, deviations from
illustrations and descriptions, as well as misprints and other errors.
Reproduction, even in part, as well as copying of all kinds, is permitted by user’s.
All other reproduction permitted only with the express written permission of the
copyright owner.

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Crossover™ G3 Infinity © Leftside Industries Inc. All Rights Reserved.
!
SRAM LLC (Shock) WARRANTY
EXTENT OF LIMITED WARRANTY
Except as otherwise set forth herein, SRAM warrants its products to be free from
defects in materials or work-manship for a period of two years after original purchase.
This warranty only applies to the original owner and is not transferable. Claims under
this warranty must be made through the retailer where the product or the SRAM
component was purchased. Original proof of purchase is required. Except as described
herein, SRAM makes no other warranties, guaranties, or representations of any type
(express or implied), and all warranties (including any implied warranties of reasonable
care, merchantibility, or fitness for a particular purpose) are hereby disclaimed.
LIMITATIONS OF 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.
The Crossover™ knee is designed to be used in wet conditions, however, do not submerge shock for prolonged periods. To
ensure a long lifespan the unit should be rinsed with clean water after exposure to salt water, resort snow (resort snow
contains conditioning chemicals that may corrode parts), and in other conditions in which water quality is questionable.
After rinsing the Crossover™ knee with fresh clean water, air dry, and lubricate shock with TRI-FLOW® SUPERIOR
LUBRICANT or a suitable alternative. Always store dry.
!Always verify current version of warranty considerations with shcok manufacturer SRAM LLC.