1. Leg Positioner to facilitate placement of central venous catheters in the ICU
Client: Dr. Jonathan Jaffery
Advisor- Brenda Ogle
Aaron Freis, Matthew Kudek, Jenna Spaeth, Timothy Balgemann

2. Presentation Outline Problem Statement
Femoral Vein Catheterization and Position of Patient
Client Expectations
Available Positioners and Current Practices
Choosing a Design
Progress Now and for the Future.

3. Problem Statement
Design a leg positioner for use in femoral vein catheterization that is optimized for the following functions:
Securing a patient’s leg at a set angle
If necessary securing the pannus

4. Femoral Vein Catheterization
Catheter inserted distal to inguinal ligament
Often used for fluid infusion or cardiac diagnostics
Gives access to large blood flow for hemodialysis
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5. Leg Position Ideal leg position Allows for easier catheter insertion
Knee flexed
Hip abducted and externally rotated
Allows for easier catheter insertion
Difficult to keep in position without holding leg

6. Client Expectations Disposable Does not obstruct operating field
Inhibit leg from moving during entire procedure
Provide an attachable device to retract the pannus
Device does not slip or rotate during procedure

7. Competition/Patents Manual method – “Nurse Restraint” Patents:
3,931,654
4,730,609
5,010,900
7,234,180
None of the patents are similar to our design, or have the same functionality.

8. Design #1: Foot Holder Cuff attached to opposite leg
Insert foot to produce proper angle
Angle and length adjustable

9. Design #2: Foam Wedge Supports opposite leg Extends leg of interest
Foam material
Different sizes

10. Design #3: Rod and Counterweight
3-piece system
Weight Plate
Rod/Cuff
Pannus Plate
Securing mechanisms
Adjustable length and rotation angle

11. Design Matrix Client interest (50) Cost (10)
Rod and Counterweight
Foam Wedge
Foot Holder
Client interest (50) 50 20 5
Cost (10) 4 10 3
Meets component expectations (10)
Versatility (20) 18 8
Total 82 43 17

12. Progress so far… Finalized our design Ordered parts this past Monday
Still need to decide on some things yet..
Begun discussing rough ideas on attachment devices
Hinges, ball and socket

13. Future Work Go to Home Depot/Menards to look for attachment mechanisms
Locking swivel mechanism
Construct prototype based on already ordered materials
Test completed prototype on simulated catheter procedure

14. Questions?