Industrial Designerdanielorbach

danielorbachIndustrial Designer

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daniel.i.orbach@gmail.com

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Chamberlain Group Winter 2012 :: Elmhurst, Il

University of Cincinnati :: Cincinnati, OH

Chamberlain Group Summer 2011 :: Elmhurst, Il

Highland Park Highschool :: Highland Park, IL

Camp Ramah Summer 2009,2010 :: Conover, WI

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College of Design, Art, Architecture, and PlanningB.S Industrial Design, expected graduation 2014GPA: 3.86/4.0

Responsible for blue sky concept development based upon incorporating new technologies into existing products. Additionally, worked on U/I design, design research, and strategy for assorted projects.

Alias Studiotools, Solidworks, Rhinoceros, Keyshot2, Adobe cs5, Microsoft Office, Rudimentary html & css, Model Making, mig welding, Interface mock-ups, Rapid Ideation, Fluent in Hebrew

University Honors Society, Tutoring at Hughes High School, uc nightwalk, Principal Clarinet: ucso, Chabad of uc, Bearcats for Israel

Typography & type design, playing clarinet, collecting and listening to vinyl records, close up magic, solving Rubik’s Cubes and other puzzles, pixar concept art, figure drawing, design blogs.

Worked in the shop and taught campers how to use various woodworking tools. Lived in a cabin with campers and worked with them on a daily basis.

Graduated June 2009GPA: 4.10/4.0 [weighted]

Palmer ScholarshipCincinnatus ScholarDeans ListIllinois State ScholarAP Scholar With Honor

2010, 2011all termsall terms20092009

A low-tech prosthetic to take you higher and fartherProsthetics are getting more and more high-tech. What about a low-tech solution for both rock climbing and hiking?

O

let’s talk about amputees

meet dave so what is being done to help?

parts in a prosthetic:

amputees use 1.5 times effort per step compared to able bodied people

but mark can’t join them

He is one of over 1,000 soldiers returning home with a missing limb

higher than the world average

in factadventure

depression

“it was a big adjustment”

70%of all amputations occur below the waist

57%of 500 amputees

surveyed in a study:

experience pain while wearing a prosthesis

Andrew Meyer, active above knee amputee

of all amputees surveyed do zero or one of the activites they did before the

amputation

30%

4x

Outdoor magazine recently featured the newest method of rehab for returning soldiers:

socketthe human interface. strapping into the socket means you’re safe and secure

calfoften controls the robotic knee. otherwise usually a pylon

foothelps establish a regular gait pattern. many different styles.

anklesome lock and some are free swinging, depends on if they’re robitic

kneemany different kinds of knee. but they all help the calf free swing

+the leading extreme sport prosthetic

won’t bend at the kneeisn’t a complete solutionis very heavy (but durable)

the world of prosthetics is a busy and confusing place. it’s time to dig in

researching for actionable insights

A Rock Climbing Prosthesis Study: I climbed the rockwall interviewsThree above knee amputees climbed a rockwall using five different prosthetics. Biometric data was collected from all the climbs. Additionally, they subjectively rated the climbs.

though close, the foot backwards won due to subjectivity

Interviewees had over 40 combined years of experience in prosthetic. They included clinicians and and an active above knee amputee

Mike Lagerstrand - va prosthetist

Rock Rocco - prothetist

Patrick Taylor - head of va prosthetics

Andrew Meyer - above knee amputeeshort: foot backward

short: foot forwards

no prostheticfull: knee unlocked

full: knee unlocked

climbtime

O2used

Starting the Climb is not an easy task, it’s mostly arms in the beginning since footholds are limited.

on some occasions it would have been nicer of the straight leg was shorter, so the climber has a wider range of motion

Getting over ridges is very difficult, because the straight leg cannot bend, or apply force to assist the climber.

Near the top things can get tiring, because of the deadweight of the leg, combined with the stress on the muscles.

“Keep this thing as simple as possible”

“There is a big need for this thing”

“You’d probably want a sleeve and suction working”

“An articulated knee would really be useful for me”

Rapid Ideation

Design Requirements

modularIf this is to be used for both hiking and climbing, it should have a hiking mode and a climbing mode. However, Modularity should affect weight as little as possible

durableThe leg needs to be built out of standard prosthetic materials, but can incorporate extra reinforcement in certain areas. Often times the simpler it is the more durable it will be

lightweightNo one wants to climb with any extra dead weight. Making this leg as light as possible is paramount to its success.

comfortableThe biggest reason amputees won’t wear a new prosthetic is simply because it isn’t comfortable. Extra pains will be taken to ensure this prosthetic is as comfortable as any.

time for validation

The simplest and lightest of all three concepts this concept would have up to 9 inches of telescoping motion, and potentially include a free swinging knee.

The most intense of all the three, this concept features a quadruple suspension system, and a protective rollcage for a heavy duty shock.

This concept sits right in the middle of the spectrum. It utilizes a shock to absorb impact, but the suspension is not as extreme. This concept was consistently ignored during validation

Validation was conducted with three different prosthetists, as well as an active above knee amputee. The simplest, and lightest of the three solution was heavily favored.

the heavyweight the welterweight the lightweight

hits hits hits

misses misses misses

good suspensionfabric pocket for toolsaesthetically a winnerrubber overmolded socket

valve placementshock absorber

simplicityweightsocket bumperlarge height change

good suspensionfabric pocket for toolsaesthetically a winnerrubber overmolded socket

too much massheight diminished by shockoffset shock absorbertoo complicated

not as visually excitingmissing a failsafeno shock absorber

further refinementThe refinement process consisted of iterative 3d modeling based off of rough hand sculpted models. These models were then used to generate full scale plots in order to test human factors and scaling.

The Everest Leg: freedom without compromise

Climb Hike

knee locks for climbing

bumper prevents socket wear

knee swings freely for hiking. tool free adjustment

Tabi style foot allows for greater control on uneven terrain. no shoes necessary.

slimmer profile air valve works well with clothing

strong titanium pillar

easy but safe double pushbutton control shortens leg by 6.75 inches

foot turns 180o for climbing. The sturdy steel climbing piece can take over 1200 pounds of force

Details and auxiliary content

So how does it work?

Hike with a freely swinging knee and a fully extended leg.

Using an allen wrench, tighten the sockets in the knee until it won’t bend.

pushing down on both buttons, step down in order to shorten the leg 6.75 in

buttons socket foot