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WJT Ortho – Fertigung

Manufacturer and distribution partner for prosthetic components, orthosis concepts and materials for orthopaedic technology

WJT Ortho Logo

Wilhelm Julius Teufel GmbH

73117 Wangen (Stuttgart region) · GermanyNew on Amplifa

1862Founded
1 location in Wangen (Stuttgart regionLocations
Over 160 yearsCompany history

Expertise since 1862

Wilhelm Julius Teufel GmbH is a family business founded in Stuttgart in 1862, headquartered in Wangen near Göppingen in the Stuttgart region. The company manufactures and distributes prosthetic components and orthosis concepts for orthopaedic technology, including prosthetics (liners, lock systems, prosthetic feet such as the META family), orthotics, electronic fitted parts such as the actively motor-assisted Intuy Knee knee joints as well as orthopaedic shoemaking. The in-house service production produces milled models, test fittings and plastic finished parts, among others in plastics technology, fibre composite technology with carbon fibre and prepreg technology as well as DESIGN Liner. Manufacturing processes include thermoforming, deep drawing, CNC manufacturing for modular fitted parts, laminating technology, plaster technology and the processing of two-component polyurethane rigid foam. The offering is complemented by seminars, support and the distribution of certified partners. Sales representatives are on site in Austria, Switzerland and Poland; distributors serve other European countries.

Site
Wangen
Processes
Thermoforming (deep drawing of sheet materials for sockets/orthoses), CNC manufacturing for modular fitted parts, Manufacture of milled models, Manufacturing in plastics technology, Manufacturing in fibre composite technology (laminating, carbon), Manufacture of DESIGN liners, Laminating technology, Prepreg technology (prepreg complete set, reinforcement without cutting waste)
Materials
Ortholen, Tepefom, Copolyester (PETG) - Orthotherm Clear, Ethylene vinyl acetate (EVA) - Ortoflex, Two-component polyurethane rigid foam, Carbon fibre, Cotton (organic cotton), Nylon (polyamide)
Certificates
DIN EN ISO 10328 (product testing Intuy Knee)
Founded
1862
Industries
Orthopaedic technology, Prosthetics, Orthotics, Orthopaedic shoemaking, Medical technology
  1. 01

    Material development and procurement

  2. 02

    CNC manufacturing (milled models, modular fitted parts)

  3. 03

    Plastics technology (thermoforming, deep drawing)

  4. 04

    Fibre composite technology (laminating, prepreg)

  5. 05

    Assembly and finishing

  6. 06

    Distribution including certified partners

  7. 07

    Seminars and support

Materials and manufacturing processes

PETG

Copolyester (PETG) Orthotherm Clear

Deep-drawing sheets (approx. 160–170 °C, up to 1250 × 2050 mm) for orthoses and sockets

EVA

Ethylene vinyl acetate (EVA) Ortoflex

Thermoformable sheets (approx. 90–135 °C, up to 900 × 1115 mm, weldable) for orthotics

Ortholen

Thermoplastic material with naming rights held by WJT for orthotics

Tepeform

Plastic material with naming rights held by WJT for thermoforming techniques

PUR

Two-component polyurethane rigid foam

Moulding foam (mix ratio 1:1, density 200–540 kg/m³) for fitted parts

Carbon fibre / prepreg

Fibre composite technology for lightweight, high-strength prosthetic components such as carbon springs

Aluminium

Housings of the WJT lock systems

Stainless steel (VA)

Components of the WJT lock systems

PA

Nylon (polyamide)

Yarn for stump socks in a thin and stretchable version

EA

Elastane

Elastic component of the stump socks for stretchability

Organic cotton

Skin-friendly yarn for stump socks in a soft quality

Locations

Standort Wangen

Wangen

DE

Headquarters with service production

Materials
Plastics (PETG, EVA, Ortholen, Tepefom, PUR rigid foam), carbon fibre, stainless steel, aluminium
  • CNC manufacturing for modular fitted parts

Components and products

Intuy Knee – actively motor-assisted electronic knee joint
Intuy Knee – actively motor-assisted electronic knee jointAssembly/Electronics · Prosthetics
META® family – carbon spring prosthetic feet
META® family – carbon spring prosthetic feetFibre composite technology · Prosthetics
Cotton stump socks
Cotton stump socksFinishing · Prosthetics
Electronic fitted parts
Electronic fitted partsAssembly · Medical technology
Prepreg set for socket reinforcement
Prepreg set for socket reinforcementFibre composite technology · Orthopaedic technology

Inside the production

Company building in Wangen (2021)
Company building in Wangen (2021)
Material portfolio for orthopaedic technology and orthopaedic shoemaking
Material portfolio for orthopaedic technology and orthopaedic shoemaking
Product image material
Product image material
Intuy Knee in the dysmelia field of application
Intuy Knee in the dysmelia field of application
Kneuro 4B – electronic hand prosthesis (BrainRobotics)
Kneuro 4B – electronic hand prosthesis (BrainRobotics)
Certified distribution partners
Certified distribution partners

Industries

Orthopaedic technologyProstheticsOrthoticsOrthopaedic shoemakingMedical technology

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Thermoforming (deep drawing of sheet materials for sockets/orthoses)Plastics––––Ortholen, Tepefom, Copolyester (PETG) Orthotherm Clear, EVA Ortoflex
CNC manufacturing for modular fitted partsMachining–––––
Manufacture of milled modelsMachining–––––
Manufacturing in plastics technologyPlastics–––––
Manufacturing in fibre composite technology (laminating, carbon)Plastics––––Carbon fibre
Manufacture of DESIGN linersPlastics–––––
Laminating technologyPlastics–––––
Prepreg technology (prepreg complete set, reinforcement without cutting waste)Plastics––––Prepreg
Plaster technologyForming––––Plaster
Processing two-component polyurethane rigid foam (moulding foam, mix ratio 1:1,Plastics––––Two-component polyurethane rigid foam
Thermoforming EVA sheets (processing temperature approx. 90-135°C, negative pressure/vacuum max.Plastics–1115 mm × 900 mm––Ethylene vinyl acetate (EVA)
Deep drawing PETG sheets (processing temperature approx. 160-170°C)Plastics–2050 mm × 1250 mm––Copolyester (PETG)
Product catalogue manufacturing prosthetics (liners, lock systems, feet, electronic knee joints)Assembly–––––

1 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
CNC manufacturing for modular fitted parts––––Wangen (Stuttgart region)

Additional services

Service production (milled models, test fittings, manufacturing in plastics technology,SeminarsSupportDistribution of certified partners (OneSystem, Intuy Knee, Kneuro)

Quality

The Intuy Knee family is tested according to DIN EN ISO 10328 and loadable up to 125 kg. Products such as liners and electronic fitted parts are distributed via certified partners.

EvidenceWangen
DIN EN ISO 10328 (product testing Intuy Knee)

Our footprint in history

  1. 1862

    Founded in Stuttgart by the Teufel family, originally a manufacturer of bandages

  2. um 1900

    Own foreign branches, among others in Paris, Istanbul and New York (Wall Street)

  3. 1920

    Expansion to include the prosthetics business segment (wooden fitted parts, stump socks)

  4. 1960

    Leading in the implementation of new plastics in orthopaedic technology (Ortholen, Tepefom, thermoforming)

  5. 1980

    CNC manufacturing for modular fitted parts; inclusion of one of the first carbon fibre knee joints in the European distribution

  6. 2009

    Cooperation with WillowWood, one of the world's leading manufacturers of prosthetic liners

  7. 2021

    Cooperation with Reboocon (Netherlands), distribution of the Intuy Knee (active electronic knee joints)

  8. 2025

    Distribution of the Kneuro 4B (BrainRobotics) in Germany from March

  9. 2026

    The Unified Patent Court in Düsseldorf rejects the Ottobock application against the Kneuro 4B distribution on 7 May

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