Management of Hypertension in Pregnancy: Design of a continuous blood pressure monitoring device
Mutungi, Lynnette Kicoonco
Jjagwe, Martin Bulega
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The main objective of the design course is to equip students with appropriate design skills such as teamwork, field surveys, writing skills, brainstorming, designing engineering matrices, and prototyping skills. This report follows team Kainos’s activities to fulfil the design course plans for September 2018 to 20th December 2020. This report is structured in four parts. Part I includes the problem statement and detailed criteria for success, brainstorming session, drafting a design matrix for the solution and eviewing the problemand proposed solution to generate design features. Part II comprises a detailed analysis of the design, virtual prototypingwith engineering drawings and designs, and paper prototyping of the design of Kainos Series1. Part III has the testing and ethics protocols followed to assess the functionality, durability, and reliability of a Kainos Series 1 BP monitoring device. Finally, in part IV, the team performed a re-design of the prototype, did an intellectual property study in Uganda, and designed a business plan and model. Part I Section 1 entails the problem statement from Design I. It explains Hypertensive Disorders in Pregnancy caused by hypertension, related statistics, risk factors, effects, and current management solutions, along with their challenges. Section 2 comprisesthe criteria for success. It briefly describes the key factorsthat guidethe team’s operations to acquire the desired product and evaluate the extent to which the intended goals and objectives are met. Section 3 describes the brainstorming process and design matrix for the solution. It mentions the approach used to generate numerous solution ideas that can be applied to manage hypertension in pregnancy efficiently and select the final idea using a design matrix. Section 4 defines the methodology taken to assess the problem and proposed solution and select design features for Kainos Series 1. Part II Section 5 comprises a detailed analysis of the proposed solution design. It includes a detailed review of some of the device’s features and the basis working principle; photoplethysmography. It also includes an engineering analysis of the solution Section 6 covers virtual prototyping, which involves realizing the proposed design’s virtual model as a representation of the actual design to properly visualise the team’s solution. Section 7 contains the team’s budgeting and prototyping, where the team drew up a budget for necessary fabrication components to make the first physical prototype of the device design.The prototype was then fabricated using acquired components. Part III Section 8 includes an introduction to testing, the team’s fundamental objectives during the testing process, and a general description of the Kainos Series 1 device. Section 9 details the ethics guidelines that were followed by the team throughout the testing process. Section 10 specifies the technical tests, including; repeatability, battery life, drop resistance, and usability tests, and outlines the objectives, pass/fail criteria, test methods, results, analysis, and a conclusion for each test. At the end of the section is a summary of performed tests. The section concludes with deductions from the Kainos Series 1 BP monitoring device’s whole testing process. Section 1 has an appendix showing some relevant information not included in the main report. Part IV Section 11 contains the first redesigning iteration of the hardware, electric components and operating system software of Kainos Series 1. Redesigning is a result of the failed tests during the testing phase. Section 12 describes the intellectual property landscape, and identifies suitable IP for the proposed design in Uganda. It also outlines proposed claims for the IP document. Section 13 gives a detailed view of the business plan of team Kainos for market entry. It states the market segments, distribution channels, and market strategy and the business model canvas. Section 14 outlines some of the challenges that were faced by the team and a conclusion of the report. Section 15 and 16 have the reference bibliography and the appendix respectively.