Tetra's Project Gallery


Tetra transformer Bike - wheelchair cycle

Posted on Jul 4, 2014

This ingenious "transformer bike" allows physiotherapist Victoria to switch between wheelchair and cycle. Tetra Society volunteer Ron Payne devised this innovative solution.

Tetra Society sling vest

Posted on Jun 16, 2014

This unobtrusive design converts from a vest to a sling, allowing Heather, from Vancouver some relief from arthritis in her collarbones. This design, created by Tetra volunteers, is more comfortable and unobtrusive.

Tetra Leg-Lifter

Posted on Aug 11, 2014

Volunteer engineers from Tetra designed this leg-lifter to allow a Vancouver lady with a progressive muscle condition to get into, and leave, her bed independently and with dignity.

Vehicle Transfer Aid

Posted on Aug 18, 2014

A pulley system mounted to the roof rack of a family car made it easier to transfer a child when she was younger between her wheelchair and car seat. Today she uses an accessible van.

Wheelchair stroller and accessible crib

Posted on Nov 9, 2012

A roll-under crib and a wheelchair-mounted baby carrier allow this 28-year-old Vancouver mom to pick up and carry her one-year-old baby. These custom inventions are courtesy of Tetra volunteers.

Adapted recorder

Posted on Nov 7, 2012

This 11-year-old boy, who is unable to use his left hand following surgery to remove a brain tumour, wanted to be like any other student in his school music class.

Wheelchair rifle mount

Sharp-shooter Doug Blessin represented Canada in the 2012 Paralympic Games with this Tetra-made wheelchair rifle mount.

Foot exerciser

A custom foot-exerciser device reduces muscle pain and allows this BC man to deal with inflexible joints.

Workshop skills

Inside Tetra's fully accessible Vancouver workshop -- where people get to make their own beautiful art and craft projects.

Tetra Documentary

This documentary highights some of the amazing work Tetra has done over the years finding solutions to everyday obstacles.

Scooter travel ramp

Custom built by Tetra's volunteer engineers this travel ramp enables a lady to negotiate inaccessible European sidewalks

Adapted Bike Trailer

An adaptive bike trailer enables a teenage girl with cerebral palsy to enjoy bicycling with her father and younger sister.

Wheelchair Lift

Wheelchair Lift designed by Harry Hardy, Greg Mills and Marvin Pflug in association with the Tetra Society of North America.

Bowling Ball Chute

This gadget releases bowling balls down a chute, making it possible to bowl from a wheelchair.

Wheelchair Driveway Hoist

A driveway hoist helps a young man access a steep driveway. Previously he had to be transferred to a vehicle.