P09052: Molecular Imaging System Upgrade
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Table of Contents

Existing System

Section View

The current box has 6 possible lights, a mirror at 45 degrees and a camera with a built in cooling system. It also has a solid top to keep all the light out while examining the subject. public/InVivoSection.jpeg

public/ArmInBox.jpeg public/InVivoBox.jpeg

How it Works

Light (green) comes in through fiber optic cable and hits the platen

Light (green) comes in through fiber optic cable and hits the platen

The light (blue) comes back off the object and hits a 45 degree mirror

The light (blue) comes back off the object and hits a 45 degree mirror

The light (red) goes through and opening and the image is caught by the camera

The light (red) goes through and opening and the image is caught by the camera

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This is a view looking down through the platen at the mirror. You can see the lights and the camera lens.



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Here you can see the camera carriage and the camera cooler.

Light Options

We have the option of utilizing the capacity of the current system to use 1-6 lights.

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Existing Base

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OptiGrid

The OptiGrid has a motor built into it that moves the grid up and down to focus on different depths
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As the current box is the Optigrid won't fit
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Design Breakdown

Mechanical Design Considerations

Linear/Angular Motion

Criteria Triple Rail Slider public/3RailSlider.jpeg Double Rail Slider public/2RailSlider.jpeg Single Geometric Slider
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Pinned Geometric Slider
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Optics Rail public/OpticaRail.jpeg
Cost (Low is +) 0 0 + 0 -
Rigidity + + - - +
Flexibility - - - - -
Ease of Implementation + + + + +
Standard Parts - - 0 + +
Repeatability 0 0 0 + +
Adjustable + + + - +
Total - 2 2 2 3 2
Total + 3 3 3 3 5
Sum 1 1 1 0 3
Criteria Flexible Tubing public/flexibletubing.jpeg Wire public/wire.jpeg Tripod public/tripod.jpeg Pulley System public/pulley.jpeg Suspension public/suspension.jpeg
Cost (Low is +) 0 + - + -
Rigidity - - - - 0
Flexibility + + + 0 -
Ease of Implementation + + 0 - -
Standard Parts + + + + -
Repeatability - - - 0 0
Adjustable + + + 0 -
Total - 2 2 3 3 5
Total + 4 5 3 2 0
Sum 2 3 0 0 -5

Lens Holding Options

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Part from www.opto-mechanics.co.uk

Pros: Standard part with pre-threaded holes

Cons: Only fits certain size lenses, slider rods can not pass through dirrectly




public/AdjustableSrcewHolder.jpeg
Part from www.opto-mechanics.co.uk

Pros: Standard part that holds any size lenses

Cons: Bulky and cumbersome to mount




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Custom Part for a double rail

Pros: Works well on double rail, customizable, easy to secure with thumb screw

Cons: Custom part, only fist one lens size




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Custom Part for a triple rail

Pros: Works well on triple rail, customizable, easy to secure with thumb screw

Cons: Custom part, only fist one lens size




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Part from www.opto-mechanics.co.uk

Pros: Standard part that holds any size lenses, has mounting holes

Cons: Heavy and large




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Pros: Standard part that holds any size lenses, has mounting holes, small

Cons: Must find and buy lenses that come in ring




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Part from www.opto-mechanics.co.uk

Pros: Standard part that holds any size lenses, has mounting holes

Cons: Heavy







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Pros: Standard part, inexpensive

Cons: Flimsy, must find ring to fit lens




OptiGrid Holder

Custom Part
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Pros: Could be worked into any design we come up with

Cons: Not a standard part


OptiGrid holder by QiOptic

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Pros: Standard part

Cons: Big and bulky, does much more than what is needed, expensive, not very useful for this application

Design Rubric

Design Element Pros & Cons

Programming Design considerations

Software Concept Breakdown
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Software Design Criteria

1. Ease of use

2. Interface capabilities with other software

3. Implementation difficulty

4. Reliability

Program Design Options

Decision Making Matrix


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