Publication Date

Fall 2023

Document Type

Final Report

Embargo Date

12-8-2023

Problem Statement

The goal of the team was to design a plier that would be able to clamp down a medical clamp used for a dialysis machine. Ideally the plier should be able to clamp down 3 medical clamps on three separate dialysis tubes in less than 5 seconds, reduce the force required to clamp those clamps by 4 times, and weigh less than 113 grams. The product design was broken down into 3 separate concepts, with four options for each component. The most preferable option of each component was chosen and several risk factors were taken in consideration so that the pliers can be as safe as possible. Rick factor includes the damaging of the dialysis tubes, contamination, inaccurate pressure control, user fatigue, and last but not least mechanical failure of pliers. Once all those risks were taken into consideration and all the necessary dimensions were recorded, mock ups and prototypes were made and they can be seen in section 3 of the report. After some trial and error, our final design was made with taking all the best aspects of the mock ups and initial prototypes in addition to adding another placeholder for one of you fingers to allow a more comfortable feel while operating the device.

Author's School

McKelvey School of Engineering

Author's Department

Mechanical Engineering and Materials Science

Class Name

Mechanical Engineering Design Project (MEMS 411)

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