CYMEDICA Orthopedics QB1 User manual

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CyMedica Orthopedics
QB1™ KNEE BRACE USER’S MANUAL
Read this manual carefully before operating the QB1™ Knee Brace
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Customer Service 1-844-CYM-2014
QB-0090-004
Rev. B

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Contents
1INTRODUCTION......................................................................................................................3
2INTENDEDUSE.......................................................................................................................3
3EXPLANATIONOFSYMBOLS...................................................................................................3
4SAFETYINFORMATION...........................................................................................................4
4.1 WARNINGS&CAUTIONS.................................................................................................................4
5QB1KNEEBRACE...................................................................................................................5
5.1 InstructionsforWearingtheKneeBrace........................................................................................5
5.2 InstructionsforOperatingtheQB1KneeBrace..............................................................................6
5.3 InstructionsforDetachingtheQB1KneeBrace..............................................................................7
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1INTRODUCTION
The CyMedica Orthopedics QB1 Post-operative Knee Brace provides protection and support for knee
function after the knee ligament reconstruction surgeries including Anterior Cruciate Ligament (ACL) and
Posterior Cruciate Ligament (PCL).
Read this User Manual carefully before using the device. Pay attention to the Safety Information.
2INTENDEDUSE
The QB1 Post-operative Knee Brace is an externally applied orthopedic apparatus intended to support,
align, and improve knee function post knee ligament reconstruction surgery.
3EXPLANATIONOFSYMBOLS
The following symbols are used in this user manual, on the device packaging, or on the device or accessory
labeling.
Reference number; part number
Lot number
Manufacturing date
Manufacturer name and address
Follow instructions for use
CE Marking

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4SAFETYINFORMATION
4.1 WARNINGS&CAUTIONS
Carefully read fitting instructions and warnings prior to use. To ensure proper performance of the brace,
follow all instructions. Failure to properly position the brace and fasten each strap will compromise
performance and comfort.
This device will not prevent or reduce all injuries. Proper rehabilitation and activity modification are also
an essential part of a safe treatment program. Consult your licensed health care professional regarding
safe and appropriate activity level while wearing this device.
For single patient use only.
The slide lock and extension/flexion limits are designed to keep the leg positioned properly and are not
designed to support the patient’s weight. Applying full body weight to the lock and limits may break the
Brace and lead to injury.

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5QB1KNEEBRACE
The QB1 knee brace is used with QB1 knee Conductive Grament, refer to QB1 NMES & TENS System
User’s Manual for information related to the conductive garment.
The following picture shows the QB1 knee Brace and the main components. The hinge can be locked
out or adjusted to limit knee range of motion.
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5.1 InstructionsforWearingtheKneeBrace
Start with following the instructions from the previous section, Section 6.3, “Wearing the conductive
garment”.
Starting with Brace Strap A, feed strap
through its associated loop and attach
so the brace is snug against the leg.
Attach remaining Brace Straps in
order:
Brace Strap B.
Brace Strap C.
Brace Strap D.
Verify that the Brace bars are aligned along with the midline of the leg.
Using the Lock Out feature of the QB1 ACL Brace
The QB1 knee Brace can be locked out at 0° via the Slide Lock to prevent knee motion.
Locking the knee Brace in extension
To lock out the Brace in extension, fully extend your leg and align the Slide Lock between the two white
lines on the hinge. When positioned, move the Slide Lock towards your foot to secure. Ensure that each
Slide Lock is fully seated into its mating slot on the hinge. Repeat for both ACL Brace hinges.
Slide LockHinge DialFlexion Stop Setting
Hinge Dial Lock Extension Stop Settings

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Unlocking the knee Brace
Fully extend your leg and move the Slide Lock on both Brace hinges. Carefully, retract the Slide Lock to
ensure it is completely removed from the mating slot on the hinge.
Knee Brace with Slide Lock engaged Knee Brace with Slide Lock disengaged
5.2 InstructionsforOperatingtheQB1KneeBrace
The QB1 knee Brace can be used to limit or lock out the flexion and extension range of motion of the
knee. Each Brace has an independent hinge on both sides of the knee joint. The Hinge Dial is used to
adjust the extension and flexion range of motion of its associated hinge. The Extension Limit can be set to
-15° (hyperextension) or from 0° to 90° in 15° increments. The Flexion Limit can be set from 15° to 135°
in 15° increments.
NOTE: The Brace Hinge Dials on both sides should always be adjusted to the identical settings prior to
use.
Setting the QB1 Knee Brace Extension and Flexion Limits
Removing the Extension Limit
Rotate the hinge dial towards the EXTENSION setting until the Locking Disc pops out and
releases the Extension Limit.
Setting the Extension Limit
Rotate the hinge dial to the desired EXTENSION setting and push in the Locking Disc firmly until
seated.
Removing the Flexion Limit
Rotate the hinge dial towards the FLEXION setting until the Locking Disc pops out and releases
the Flexion Limit.
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Extension Locking Disc Flexion Locking Disc
Hinge Dial Slide Lock
Using the Locking Disc to set Extension Limit at 30° Using the Locking Disc to set Flexion Limit at 90°
Locking the Hinge Dial
Once the desired EXTENSION and FLEXION Limits have been set, the Hinge Dial should be
rotated to the LOCK position to prevent unintentional rotation of the Hinge Dial.
Hinge Dial Lock
Hinge Dial in locked position
NOTE: To lock the hinge at any setting (in 15° increments), set the Extension and Flexion Limits to the
same number. To accomplish this, set flexion limit first, then set the extension limit. To unlock, disengage
the extension first, and then the flexion limit.
5.3 InstructionsforDetachingtheQB1KneeBrace
Your doctor may request to use the knee Brace for a period of weeks. The knee Brace may be removed
from the QB1 Conductive Garment. To do this, peel the Brace bars, straps, and pockets away from the
sides of the Conductive Garment. The parts removed may be discarded or stored as desired.
CyMedicaOrthopedics
19120NorthPimaRoad
Suite135
Scottsdale,AZ85255USA
EmergoEurope
2513BH,TheHague
TheNetherlands