Bipolar Arthroplasty Lamp

Ikea item used: IKEA Hemma lamp stand and lightbulb


Having been involved in my field of bones and implants for the past 3 years, it cultivates my innovation and skills in creating furniture/ tools that satisfied my creativity.

Here is the step-by-step instruction on doing a “retrograde interlocking nail”and “bipolar hemiarthroplasty” to create this lamp.

Step 1

Always make sure your have the correct fracture pattern, tools and implant before you proceed

  • Femur saw bone x1 (I’ve got mine after slaughtering my arch enemy; or you can buy it from implant rep)
  • IKEA Hemma lamp stand x1
  • Power drill x1
  • Power saw x1
  • Glue gun x1
  • Golden spray paint x1
  • LED lightbulb x1

Femur implant

Step 2

Dissemble the lamp stand using screw driver into 3 parts:

Socket, stem and base.

Arthroplasty Lamp

Arthroplasty Lamp

Step 3

Mark insertion site at the centre of intercondylar notch of femur using marker. Introduce size 8mm drill bit and drill through the intra-medullary canal with a power drill. Increase the size of drill bit by 1mm till you feel resistant/tightness. Make sure the alignment is parallel to the bone.

* Sail through the drill, DO NOT force!

Drill the femur

Step 4

Insert the intra-medullary nail of the lamp stand through drilled hole. Attached the nail to the base. Make sure it is snuggly fit, enough for slight rotation.

Insert into lamp stand

Arthroplasty Lamp

Step 5

Now moving on to the “hip replacement”

Use the socket as templete, mark the depth of socket sitting in the intertrochanteric region. Next, mark the tip of socket shown below- that’s how much u need to saw off the femoral head.

Arthroplasty Lamp

Arthroplasty Lamp

Step 6

Saw off the femoral head at 45′ angle. Extend another hole through the intertrochanteric region, where the socket sits.

* take your time using a file, refashion the socket area where it can sit tight in its place.

Arthroplasty Lamp

Arthroplasty Lamp

Step 7

Pass the wire into the intra-medullary tube.

Arthroplasty Lamp

Arthroplasty Lamp

Step 8

Reattach the wire to socket, hold the socket in place with hot glue.

* test the socket with lightbulb, making sure it is functioning before you glue.

Arthroplasty Lamp

Glue socket in place

Let glue dry

Step 9

Attach the femur back its base. Apply lightbulb and test !

Let there be LIGHT!

Arthroplasty Lamp

Arthroplasty Lamp

Final step

Remove the lightbulb; Cover the base with masking tape and paper for protection. Spray paint the femur and socket with the color of your choice. I chose gold because it matches my living room, adding a luxurious feel the room.

Arthroplasty Lamp

Final product

Bipolar Arthroplasty Lamp

Arthroplasty Lamp

Arthroplasty Lamp

I had spent around 3-4 hours in labor.

Using it regularly as my night lamp for the living room.

The reaction that I get from my visitors are priceless.

Most will ask as to where I get the femur from =) The secret of the bone shall not be revealed.

See more on my blog.

~ Dr William Choo

The post Bipolar Arthroplasty Lamp appeared first on IKEA Hackers.


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