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Intra-ocular Injection

Intra-ocular Injection. Client: Barbra Blodi, M.D. Advisor: Paul Thompson Group Members: Mike Swift, Rajit Chakravarty, Mike Hallam, Anthony Nelson. Overview. Background Description of product specification Design Alternatives Proposed Solution Future Plans Conclusion. Background.

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Intra-ocular Injection

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  1. Intra-ocular Injection Client: Barbra Blodi, M.D. Advisor: Paul Thompson Group Members: Mike Swift, Rajit Chakravarty, Mike Hallam, Anthony Nelson

  2. Overview • Background • Description of product specification • Design Alternatives • Proposed Solution • Future Plans • Conclusion

  3. Background • Macula • Macular Degeneration • Current Treatment • Description • Problems

  4. The Macula

  5. Current Treatment

  6. Product Specifications • Slow injection rate • One handed grip and actuation • Work with existing 1 cc syringes • Reusability • Injection control • Stoppable • Accuracy

  7. Design Alternatives • Hydraulic pressure pump • Spring operated • Reusable case mechanism

  8. Hydraulic pressure • Pros: • More control over injection • Vary injection speed • Emergency stop capabilities • Cons: • Non-reusable • Extensive syringe modifications • Difficult to administer accurate injections

  9. Spring operated • Pros: • Increases injection accuracy • Slow, steady administration • Cons: • Non Reusable • Extensive modifications

  10. Reusable Case • Pros: • Reusable • Increased injection accuracy • Stoppable • Cons: • Potential complications with catching mechanism • Size constraints for catching mechanism

  11. Case Prototype

  12. Proposed Solution • Modified Reusable Case Mechanism • Ergonomic Design • Compatible with existing syringes • Easily reusable • One handed grip and actuation

  13. Proposed Solution • High level of injection control • Stoppable and restartable • Accuracy of injection volume

  14. Future Plans • Develop prototype model of modified design • Real-life prototype testing on cow eyes • Further modifications on design after testing

  15. Conclusions • Problem: Modify syringe to allow single clinician to perform injections • Proposed Solution: Modified Reusable Case Mechanism • Future work: Build workable prototype of new design Begin prototype testing

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