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Technical information 5.2.4

17AD100 Nexgear Tango ankle joint

Fabricating an ankle-foot orthosis and installing the modules

Содержание 17AD100 Nexgear Tango

Страница 1: ...Technical information 5 2 4 17AD100 Nexgear Tango ankle joint Fabricating an ankle foot orthosis and installing the modules...

Страница 2: ...ion bar and foot stirrup Reinforce plaster model Laminate plaster model and finish orthosis Install modules 2 Preparation The following preparations must be made in order to work effectively Collectin...

Страница 3: ...Orthocryl lamination resin 617H55 Hardening powder 617P37 0 150 Talcum powder 639A1 1 Comfor Tex soft 623F109 3 Procedure 3 1 Plaster model preparation Apply contact adhesive to the stockinette above...

Страница 4: ...for machining NOTE Do not machine the insertion zone of the bar and foot stirrup INFORMATION The foot stirrup is secured in the neutral position by the design of the lamination dummy cover The neutra...

Страница 5: ...tance must be approx 2 to 3 mm Deburr the bar and foot stirrup Reinforce the supporting surface with PVC profile material Heat the PVC profile material with a hot air gun and mould it into shape Apply...

Страница 6: ...the woven stockinette project approx 5 cm bey ond the foot stirrup Depending on the orthosis construction and the patient specific requirements pull 1 to 3 layers of woven stock inette over the foot...

Страница 7: ...wax in the area of the joints Lamination dummy lower part Bar foot stirrup insertion zone Screws Connect the isolated components to each other Orthosis Use Plastaband to even out the sharp edges of th...

Страница 8: ...A bag does not tear later while screw ing on the dummy Pull 1 layer of Perlon stockinette over the plaster model Apply contact adhesive to the stockinette above the alignment insert After the contact...

Страница 9: ...ver edge in a p direction Apply 1 layer of carbon fibreglass webbing as full surface reinforcement from the heel to the rollover edge in m l direction Reinforce to a maximum of 2 cm below the ankle jo...

Страница 10: ...the shoulder screw Fan out the end of the carbon fibre stockinette Secure the fanned out fibres to the reinforcement with carbon fibreglass webbing Fan out the end of the carbon fibre stockinette and...

Страница 11: ...ll screws and protrusions on the plaster model with Pastasil Pull 1 layer of Perlon stockinette over the plaster model Apply 1 layer of carbon fibre cloth in the area of the tibia support surface Opti...

Страница 12: ...mple Position carbon fibreglass webbing from the heel to the rollover edge in a pandm l direction Apply carbon fibre stockinette 5 cm wide in the lateral course of the bar Optional Position 1 layer of...

Страница 13: ...prevents the car bon fibre cloth layers from slipping while pulling the PVA bag over the model In addition the stock inette ensures that the lamination resin is distrib uted more quickly over the rei...

Страница 14: ...curing no more than 1 5 hardener should be added Carry out the lamination process After the laminate has fully hardened mark the course of the edge on the orthosis Use a knife to expose the laminatio...

Страница 15: ...ng bushing into the foot stirrup Cut the orthosis open along the marked course of the edge using an oscillating saw and remove it from the plaster model NOTE Use vice jaws to prevent damage to the pro...

Страница 16: ...p or install the bearing bushing if it is missing INFORMATION Mounting the lower leg component is not necessary to install the orthosis joint and individual modules Mount the orthosis joint with suita...

Страница 17: ...hole through the cover from above and screw it into the basic piece NOTE Use vice jaws to prevent damage to the product while clamping it in the vice Place the mounting adapter onto the threaded hole...

Страница 18: ...e ball into the threaded hole Slide the spring into the spring guide housing and posi tion it in the threaded hole Screw the setscrew into the threaded hole and tighten with a Torx wrench 18 Procedure...

Страница 19: ...Use vice jaws to prevent damage to the product while clamping it in the vice Place the mounting adapter onto the threaded hole and tighten it to the corresponding torque value 17AD100 10 12 14 16 20 1...

Страница 20: ...n module INFORMATION The Nexgear Tango Reaction mod ule is delivered installed in the cover Before the module can be installed in the orthosis joint it has to be disassembled into the individual compo...

Страница 21: ...pin is provided with a thread lock and is therefore difficult to turn during adjustment Avoid frequent adjustment of the stop pin to prevent damage to the thread lock Optional Use the 17AD100A MA mou...

Страница 22: ...cover Set the flattened side of the cover onto the base body Tighten the support element to the corresponding torque value Then remove the mounting adapter Insert the spring plunger with the bearing s...

Страница 23: ...Use a Torx wrench to screw the spring holder into the internal thread of the support element Set the torque wrench with bit extension onto the spring holder and tighten it Observe the specified torqu...

Страница 24: ...ch until the spring dummy fits in the module with no play 3 9 Reaction module static alignment Put the orthosis on the patient Use the knee pivot point gauge to determine and mark the compromise pivot...

Страница 25: ...er leg by hand so that the stop pin can move easily in the thread INFORMATION When using 2 reaction modules adjust the orthosis joint until it no longer has any play in the a p direction Check the sta...

Страница 26: ...For the dynamic trial fitting unscrew the spring bolt with a Torx wrench and replace the spring dummy with the reaction spring Install the spring bolt Screw in the spring bolt flush with the cover us...

Страница 27: ...well as 2 and 4 prevents deformation and damage to the orthosis Adjusting dorsiflexion and plantar flexion Follow the steps described in Installing the Reaction module and Reaction module static alig...

Страница 28: ...ing adjustment sequence If a Reaction module is not required the correspond ing instructions can be ignored Prerequisite The orthosis has been applied to the patient Prerequisite All Reaction modules...

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