User Manual Netti Dynamic System
Contents
1. TRANSPORT cease scosespeseastatiecteriessdesteestecteatater MAINTENANCE sunset TROUBLESHOOTING eee WARRANTY er OMNODU NO de My Netti com A og OP Gee er errr re ere cre re eee ere Model Netti Dynamic System Language English Version 2015 10 Netti Dynamic System Netti COMFORT The Netti Dynamic System Concept what is Netti Dynamic Seating Netti Dynamic System is a tilt and recline wheelchair which allows controlled Open Kinetic Chain OKC movements of the user Unlike static wheelchairs the user s distal segments are supported but can move This helps to gain control of the proximal segments especially when the user can not inhibit movements due to their medical condition Choosing the right parts of Netti Dynamic System are made by observing and by having a dialogue with the user and people around him Before using Netti Dynamic System a seating assessment should be performed This should be done by a professional with basic understanding of range of mo tion for body joints Assessment should be performed on lower and upper extremities and an apprais al of the user s involuntary movement needs to be done Model Netti Dynamic System Language English Version 2015 10 de My Netti com 5 Netti INTENDED USE Netti Dynamic System is an advanced mobility aid for users affected by dysto nia It is for users with extensive move ment patterns resulting in strong spasms and contractions of th2. n Netti Dynamic III HD and XHD 3 models n Netti Dynamic 4U CED S and Base 2 models n Netti Dynamic Mobile n Netti Dynamic 4U BASE USER REQUIREMENTS If you choose a Netti III chair model we recommend the reinforced frames Netti Ill HD or XHD 2 models due to e le hard use together with Netti Dynamic System seat and back unit In order to get the right model width heights etc a seating evaluation should be per formed by a trained clinician System with a pelvic stabi lizer and ankle huggers The Netti Dynamic head support and foot supports can be mounted on all above mentioned chair models ABOUT THIS MANUAL This manual focuses on the adjust ments and use of the Netti Dynamic System seat back and headrest It is to be used together with the user manual of the wheelchair for general informa tion The user manual for Netti Dynamic System Foot support contains all necessary information about mounting adjustments and use of Netti Dynamic System Foot supports Parallel and Dual Netti 4U CED with Dynamic System Model Netti Dynamic System Language English Version 2015 10 de My Netti com 5 Netti NETTI DYNAMIC SYSTEM applied to a Netti III wheelchair MAX EXTENSION The dynamic elements moved into max extension Headrest pushed backwards Back and headrest in max recline Seat lifted Frame extender Foot supports lifted and extended Tilted foot plate Model Ne
3. Netti DYNAMIC SYSTEM USER MANUAL AND MOUNTING DESCRIPTION Netti Dynamic System Seat back and headsupport Enable joy of bie My Netti com Netti CONTENTS k INTRODUCTION avse The Netti Dynamic SYySteM cece Important benefits Luger How to use this Manual 2 ADJUSTING THE WHEELCHAIR TO TRAEN ER ve Seat adjustments balancing the chair Seat depl eletta Seat angle lilla Seat plate immune Seat plate lock u Back support position i vers rer Fall free cylinder STN EN Chair Dack heigh PP ee eee Netti Dynamic head support Arnmsuppor pos TN Harnesses and belts nn mmmmrerevereern Ankle huggers and shoe shells Foot support height and angle 3 EVERYDAY USE OF THE NETTI DYNAMIC Yo TEME e eee Transfer to from the wheelchair Attendant se EE PUSMIBD OWS NN eee Arllps Ia Brake Sgn esr ae E N Ames NTE Footsuppon SF LEN Foorboard lek PAN ER Ham essesE TN NTE Tilt and recline i Operating tilt handle r rrrrsrrvrrvrrerrvrrerrrrreens Operating recline handle Leaving a USEF sierra Wheelchair used as seat in a Car neses Lifting the wheelchair me rurvveervvrevrvvreens Driving a wheelchair with Netti Dynamic System 4 MOUNTING DESCRIPTION Changing the back gas cylinder Table for gas cylinder forces
4. 15 degree flexing wherever the recline angle is positioned The functions recline and tilt are op erated with the handles on the back of the chair See details next page 18 be My Netti com Model Netti Dynamic System Language English Version 2015 10 TILTING THE SEATING UNIT Press the left handle on the push bar and put pressure to the push bar to tilt the seating unit Wherever you let the handle loose the seating unit will stay in this position To bring the seating unit up press the handle and the tilt cylinder will assist You lifting the seating unit up A tilted seat unit gives a steeper seating angle and helps the user not sliding as easy out of the chair The tilt sign sits on the push bar it looks like this RECLINING THE CHAIR BACK Press the right handle and put pres sure to the push bar to recline the back Wherever you let the handle loose the chair back will stay fixed and locked Wheelchair with Variolock will however still allow for 15 degrees flexing The illustration shows a recline handle position for a locked back DYNAMIC BACK To have the back behave dynamic you have to activate the recline handle with the smaller handle attached to it Press the recline handle tight to the push bar and push the little handle away from the push bar still holding the main handle pressed Let go The handle stays close to the push bar and the back can be freely moved backwards
5. Otherwise the user third parties or surroundings may get hurt Always obtain good balance of the chair as it may be challenged when suddenly full extension happens 20 de My Netti com Model Netti Dynamic System Language English Version 2015 10 4 MOUNTING DESCRIPTION CHANGING THE BACK GAS CYLINDER m Recline the chair back backwards at least 15 Disconnect the cylinder hinge from A gas cylinder by pulling the quick re VI lease outwards There may be different lt q styles to the cylinder hinges but the a function is the same r ax A PA L fora Ala TL ws ac CRY va 20 AN See the cut illustration showing the cylinder hinge in blue and the cylinder Model Netti Dynamic System Language English Version 2015 10 de My Netticom 21 Netti Fold the chair back forwards Remove the old gas cylinder Use a 17mm open end spanner to open the nut S 27 Ds Ju I EG FG En Connect the gas cylinder locking head A if not mounted to the new cylinder Model Netti Dynamic System 22 de My Netti com Language English Version 2015 10 Screw the gas cylinder into the head until it touches the cross bolt B no play Leave the nut C loose till the cylinder has correct depth If the cylinder sits too loose you can not release it with the operating han dle when it is too tight the operating handle will not lock the cylinder
6. Va To stop the dynamic recline simply press the handle again the little handle is re leased and the back is fixed The recline sign sits on the push bar it looks like this Model Netti Dynamic System Language English Version 2015 10 de My Netticom 19 Netti LEAVING A USER If you are leaving a user in a wheelchair make sure that the brakes are locked the anti tips are active and that har nesses when used are closed WHEELCHAIR WITH NETTI DYNAMIC SYSTEM USED AS SEAT IN A CAR When a wheelchair with Netti Dynamic System is to be used as seat in a car make sure that m the foot support are locked in down position m the seat plate is locked m the back support is locked in an upright position All to make sure the user does not hurt himself or others by sudden spastic movements NB The wheelchair is to be fixed in the car as decried in the user manual for the wheelchair LIFTING THE WHEELCHAIR Avoid lifting a wheelchair with the user in it Always lift a wheelchair holding on to the marked lifting points on the frame Keep a sturdy well balanced stand lifting from your legs Never lift alone Never lift a wheelchair in its foot sup port arm support or push handles DRIVING A WHEELCHAIR WITH NETTI DYNAMIC SYSTEM When driving a wheelchair with Netti Dynamic System careful driving is man datory Watch out for obstacles that could be in the reach if the wheelchair is fully extended
7. can be tightened Model Netti Dynamic System Language English Version 2015 10 de My Netticom 13 ANKLE HUGGERS AND SHOE SHELLS helps to keep the feet on the foot sup port not letting them slide of during an extension spasm The ankle huggers are mounted by threading them through the slots in the foot board on the foot support and fixing the belt on the underside of the foot plate threading shown in the illus tration follow the numbers FOOT SUPPORT HEIGHT AND ANGLE Please see separate user manual for Netti Dynamic System Foot support 14 De My Netti com Model Netti Dynamic System Language English Version 2015 10 3 EVERYDAY USE OF THE NETTI DYNAMIC SYSTEM TRANSFER TO FROM THE CHAIR Techniques for transferring to from the wheelchair should be practiced well with the persons involved Some important advices for prepara tion of the chair The wheelchair should be placed as close as possible to the destination of the transfer m Pull the wheelchair 5 10 cm back wards in order to have the front cas tors turned forward m Make sure the anti tips are turned downwards m Remove the foot support and re volve remove the arm support on the side of the transfer m Make sure the brakes of the wheel chair are in use so it does not roll away USING A PATIENT HOIST m Tilt the chair backwards m Open the back support angle Slightly m Remove the foot support m Replace t
8. Tighten the nut C close to the head with the 17mm open end spanner and fix the gas cylinder firmly Connect the gas cylinder locking head to the cylinder hinge reconnect the quick release bolt TABLE FOR GAS CYLINDER FORCES SUITING USER STRENGTH AND WEIGHTS Model Netti Dynamic System Language English Version 2015 10 De My Netticom 23 Netti 5 TRANSPORT Wheelchairs with Netti Dynamic System can be used as seat in a car if the wheel chair has been tested and approved to ISO 7176 19 Please follow the description for fixing the chair and the user as de scribed in the User manual for the wheel chair The Netti Dynamic System and Foot sup port has to be locked when the wheelchair is used as a seat in a car 6 MAINTENANCE All wheelchairs equipped with Netti Dy namic System will require special attention to maintenance compared with wheel chairs without dynamic system due to the heavy and strong use Follow the wheelchair maintenance de scription in the wheelchair User Manual and pay special attention to tightening all screws and inspecting all joints Inspect the belts and harnesses on tear and wear Replace if necessary In some cases it can occur sound from the moving parts if they are not regularly lubricated 7 TROUBLESHOOTING Please study the recommendations in the User Manual for the wheelchairs where the Netti Dynamic System has been adapted 24 b My Netti com Model Netti Dy
9. able Or when the user needs to lay back for a rest If you recline the chair back ona wheelchair with free cylinder lock ing it in reclined position it is only the Netti Dynamic Foot supports and head support that will respond to spastic movements If you lock the full free cylinder it is important that the user is correct positioned and not sliding forward to prevent damage on the foot support de My Netticom 11 Netti FULL FREE GAS CYLINDER ACTIVATED The Netti Dynamic System is activated by pulling the recline handle close to the push bar and locking it with the lock handle on the same recline handle See page 18 for detailed illustrations The back support cylinder can be re placed by another if needed either be cause of new or changed user needs or if the weight of the user has changed Please contact your local dealer for ad vice on which new cylinder to choose At the end of this manual the change of gas cylinder is described CHAIR BACK HEIGHT It can be extended by mounting a back extension NETTI DYNAMIC HEAD SUPPORT The Netti Dynamic System is equipped with a dynamic head support The head support follows the extension movement of the neck The depth of the head support should be adjusted to barely touch the back of the user s head when sitting relaxed For head support depth adjustment simply unlock the 2 levers one on each side of the head support holder and move the head suppo
10. ch is fixed to the seat plate is necessary to make this happen and must be used together with the dynamic seat plate Remember The pelvic stabilizer must be firmly tightened to minimize the risk of sliding To prevent the seat plate to pivot too high there are seat plate limiters belts between the seat plate and the chair frame The seat plate limiters can be adjusted to allow for max seat piv oting It is done by loosening the screw holding the seat plate limiter belt under the seat and sliding it back or forward to find the desired movement of the seat plate SEAT PLATE LOCK In some cases it may be necessary for safety reasons to lock the movement of the seat This is when the wheelchair is used as a seat in a car or when driv ing the chair on rough surface where a sudden spastic extension may cause the chair to become unstable The seat plate lock is easy to use remove the bolt from its upper position and push it into the lower position NB Remember to unlock the seat plate when you are back in smooth areas allowing the Netti Dynamic System to work Model Netti Dynamic System 10 Netti com Language English Version 2015 10 CHAIR BACK POSITION The chair back position is defined by the chair back cylinder There are two different type of cylinder available for the Netti Dynamic System Alt 1 VARIOLOCK The Variolock cylinder is never fixed but allows for a 15 degree flex at any position where the
11. chair back has been reclined to Variolock cylinder is suit able for users with open kinetic chain OKC movements with max extension less than 15 If 15 closes the kinetic chain movement more forces will have impact on the foot support and the foot support might break if it is not correct adjusted or if the user has slided forward Variolock cylinders are available in 80 120 and 160N force The recline function is controlled by the recline handle on the bar behind the back support Alt 2 FULL FREE CYLINDER The full free cylinder allows the back support to move backwards to full re cline giving full support during exten sion movement When the user starts to relax the cylinder move the back support to its original position The strength of the full free cylinder has to be fitted individually according to body weight A cylinder that is too strong will not allow the back support to move A cylinder that is too weak will not be strong enough to lift the back support to its original position Standard cylinder forces are 600 800 1000 and 1200N FULL FREE CYLINDER LOCKING The full free cylinder is locked in any reclined angle when the recline han dle on the back is in neutral position Model Netti Dynamic System Language English Version 2015 10 This may be necessary required when the chair is used as seat in a car or driven on rough ground where a sudden spastic extension may make the chair unst
12. d like this Push the foot support fixing bolt vertical into the extension piece on the wheelchair keeping the foot support slightly turned outwards It will fall in place and turn into place itself FOOT BOARD LOCK With both foot supports in place let the foot board swing down and put the bolt into the lock see be low Model Netti Dynamic System Language English Version 2015 10 de My Netticom 17 Netti The foot board lock is operated turning the ribbed wheel to open or closed position It ensures a sturdy foot board for restless feet Always lock the foot board to en sure it is stable THE FOOT SUPPORT ANGLE The Netti Dynamic System Foot sup port can be locked by tightening the red wheel on the outside of the foot support HARNESSES are to be opened or closed with traditional car belt lock or by back pack clips Use harnesses ankle huggers and shoe shells to give the user stabiliz ing support when needed TILT AND RECLINE allows for varying seating positions during the time in the wheelchair The Dynamic System with full free cylinder continues to be active if the chair is tilted allowing full extension of the back and the foot supports If you recline the chair back on a wheelchair with full free cylinder locking it in reclined position it is only the Dynamic foot supports and head support that will respond to a spastic movement A wheelchair with Variolock cylinder has a
13. e user s muscu loskeletal apparatus causing joint dislo cations involuntary movements sliding loss of function and also challenging the strength of the wheelchair The patented Netti Dynamic System ac commodates the user s extension move ments letting the wheelchair work in syn ergy with the user s movements When accommodating the spastic extensions pattern muscle tone and frequency of spasms could be reduced The wheel chair is dynamic and will follow the user s movements of both upper and lower body NETTI DYNAMIC SYSTEM allow for m Leg movements Hip movements Back movements Head movements Foot movements IMPORTANT BENEFITS m The wheelchair adapts to the move ments of the user The user will have less discomfort dur ing spasm as the wheelchair supports the movement m After a spasm the user returns to the original sitting position securing a good position and pressure distribu tion m It prevents unintentional change of position m It prevents the user from sliding for ward in the chair and thereby getting a bad sitting position and inadequate distribution of pressure m Extends the lifetime of the wheelchair Model Netti Dynamic System 4 de My Netti com Language English Version 2015 10 NETTI DYNAMIC SYSTEM is a modular system that can be cus tomized and adjusted according to the user s need The Netti Dynamic System seat and back unit can be ordered with these chair models
14. he components when the transfer is finished Model Netti Dynamic System Language English Version 2015 10 de My Netticom 15 Netti ATTENDANT USE PUSH BOWS For safe manoeuvring the wheel chair push bow or push handles should be adjusted according to attendants arm height when the elbow is in an 90 degree angle Open the latch holding the push handle and push or pull it to de sired height before fixing it again Repeat on the other side Adjusting the push bow is done similarly open the latches pull to t ONN desired height and lock 4 NS A wW e dee US ANTI TIPS ol V Vee N A PD f EE Sa 1 Always use anti tips to ensure a i Na NG safe and stable wheelchair With SI the Netti Dynamic System mount ed it is essential to keep the anti tips active at all times The anti tips are pulled and swung away when passing obstacles etc BRAKES Always use the brakes when the wheelchair is left without attendant standing behind Push the red brake handle forward to lock the brake Model Netti Dynamic System 16 de My Netti com Language English Version 2015 10 ARM SUPPORT When the user is to leave the chair the arm support can be removed or swung away depending on which type of wheelchair you have This makes the transfer much easier Please see the illustration of a chair with swing away arm support FOOT SUPPORTS Netti Dynamic foot supports are mounted and remove
15. icom Model Netti Dynamic System Language English Version 2015 10 SEAT DEPTH adjustments in the back BY ALU REHAB Remove the screw on each side which is holding the back hinge Pull the backet on each side back or push it forward to desired posi tion before the screws are fixed again wes A WS NY NY SE Remove the bolt holding the recline cylinder head and repo sition it in the corresponding number hole as the previously adjusted chair back bracket This will also have influence on the chair back angle By choosing another hole you can change the angle of the back support which means that the back angle or hip angle will be more open or more closed See separate table on page SEAT DEPTH adjustments in the front The extension pieces are adjusted by removing the screws holding them and pulling them out to de sired position The aim is to have the centre of the users knee joint aligned with the centre of the foot support rotation centre when the user also is having good back support of his lower back Model Netti Dynamic System Language English Version 2015 10 Netti com 9 BY ALU REHAB SEAT ANGLE adjustment can be adjusted at any time by the use of the tilt handles SEAT PLATE adjustment The Netti Dynamic System seat plate is pivoted under the front edge of the seat This allows the seat to rise in the rear when doing a hip extension The pelvic stabilizer whi
16. namic System Language English Version 2015 10 8 TESTS amp WARRANTY The guarantee claims stated in the User Manual for the wheelchair also applies for wheelchairs with Netti Dynamic System when the Netti Dynamic System or parts are mounted and adjusted for the user under supervision of a Netti Dynamic System certified person Contact your local dealer if you have questions regarding certified persons for Netti Dynamic System Updated data about the wheelchair and the Netti Dynamic System is found on www My Netti com APPENDIX ACCESSORIES TABLE Please do a user assessment to determine if a table is suitably By special or extensive movement pat terns a table may brake or cause danger to the user or 3rd parties because the table is staticly fixed to the armrests while the move ments of the user are dynamic Model Netti Dynamic System Language English Version 2015 10 de My Netticom 25 Model Netti Dynamic System 26 de My Netti com Language English Version 2015 10 Model Netti Dynamic System Language English Version 2015 10 de My Netticom 27 ENABLE JOY OF LIFE C This product conforms to 93 42 EEC for medical products FEEL FREE TO CONTACT US Alu Rehab AS Bedriftsvegen 23 4353 Klepp Stasjon N etti NORWAY T 47 51 78 62 20 post My Netti com UMO116UK 2015 10 Alu Rehab ApS Kl fteh j 8 DK 8680 Ry T 45 87 88 73 00 F 45 8788 73 19 info My Netti com My Netti com
17. rt forwards or backwards to desired position Fix firmly The height of the head support needs to be adjusted to fit directly behind the head Open the screw on the bracket holding the vertical pole of the head support Pull the head support to desired height and fix the screw firmly Model Netti Dynamic System 12 de My Netti com Language English Version 2015 10 ARM SUPPORT Depending on what kind of basic wheelchair the Netti Dynamic Sys tem is adapted to the arm support may vary The adjustments of arm support are described in the user manual for each type of wheelchair The illustration shows how to ad just the height of the arm support on a wheelchair with fold away arm support HARNESS Netti Dynamic System can be equipped with several different types of harnesses each type de veloped to give the user the best stabilization support depending on the conditions Pelvic harness Cincluded in Netti Dynamic System a Upper body H harness EP Ankle huggers Shoe shells Pelvic stabilizer mounted to the seat plate helps the user to keep his position on the seat even under full spastic extension See separate Mounting Description for H Harness HOW TO ADJUST THE PELVIC STABILIZER The pelvic stabilizer is mounted on the guide rail under the seating plate as shown on the illustration Slide it to a position where it cross es the upper thighs and adjust the harness mounting point so that the harness
18. tti Dynamic System 6 de My Netti com Language English Version 2015 10 EXPLODED VIEW OF NETTI DYNAMIC SYSTEM Dynamic System Foot support Dynamic seat plate Dynamic head support av anti tippers Dynamic gas spring Frame extender Model Netti Dynamic System Language English Version 2015 10 de My Netti com 7 Netti 2 ADJUSTING THE WHEELCHAIR TO THE USER initial adjustments Start with normal relaxed seating po sition SEAT ADJUSTMENTS It is vital to adjust the seat correct Adjustments to the seat change the centre of gravity which effects the balance of the wheelchair Proper adjusted seat provide stability and the ability to manoeuvre the wheelchair even during a full extension of the wheelchair Correct seat depth depends on the user s thigh length and is measured while seating see the red horizontal arrow on the illustration m Seat depth can be adjusted on the back of the chair by moving the back brackets followed by adjusting the back cylinder head m Seat depth can be adjusted in the front by adjusting the extension pieces where the foot supports are mounted m Seat angle can be adjusted by tilt ing the seat m Seat height is to be seen together with the foot supports Foot supports need to be adjusted to accommodate the seat height Please note the Netti Dynamic Sys tem foot support adjustments are described in detail in their separate Mounting description 8 deMy Nett
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