Medical Device Development

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Questions and Answers

During the concept evaluation phase, which of the following items must be completed?

  • The product's architecture diagram (correct)
  • The product requirement documents
  • User interface requirements
  • A list of human factors to be considered

What is the purpose of the concept model?

  • To prove the core technology will work (correct)
  • To develop a design that includes the key product functions
  • To confirm product feasibility
  • To reduce implementation risks

Which phase of medical device development is concept evaluation?

  • Phase I
  • Phase III
  • Phase II (correct)
  • Phase IV

What is captured in the product requirements document (PRD)?

<p>All of the features and physical attributes of the device (C)</p> Signup and view all the answers

Which phase of medical device development follows the Market Opportunity Evaluation phase?

<p>Concept Evaluation (D)</p> Signup and view all the answers

What is the goal of the Market Opportunity Evaluation phase?

<p>To understand the product, the user, and the market (C)</p> Signup and view all the answers

Which plans must be completed before leadership can make a go/no-go decision for developing a product?

<p>Risk analysis plan, Risk management plan, Product development plan, Business review plan (D)</p> Signup and view all the answers

What is the next phase after the Market Opportunity Evaluation phase?

<p>Concept Evaluation (B)</p> Signup and view all the answers

Which phase of the medical device development process focuses on understanding the product, the user, and the market?

<p>Market Opportunity Evaluation (D)</p> Signup and view all the answers

What is the goal of the Market Opportunity Evaluation phase?

<p>To understand the product, the user, and the market (C)</p> Signup and view all the answers

Which aspect is NOT considered in the product description during the Market Opportunity Evaluation phase?

<p>Manufacturing process (C)</p> Signup and view all the answers

What are the five phases of medical device development?

<p>Market Opportunity Evaluation, Concept Evaluation, Engineering Design Process, Verification and Validation, Manufacturing Transfer (C)</p> Signup and view all the answers

Which one of the following is a key aspect of software design for medical devices?

<p>Separate SOP for software design (B)</p> Signup and view all the answers

What is the purpose of human factors engineering in the development of medical devices?

<p>To ensure safe and accurate user performance (C)</p> Signup and view all the answers

What is one of the most common labeling deficiencies for medical devices?

<p>Missing or unavailable use instructions (A)</p> Signup and view all the answers

What is a potential concern regarding the compatibility of a pacemaker with other devices?

<p>Interference with hospital monitoring devices (B)</p> Signup and view all the answers

According to the text, what is the classification of software that controls life support equipment?

<p>Class C (D)</p> Signup and view all the answers

Which standard is recognized by both the FDA and Europe's Medical Device Directive for medical device software development?

<p>ISO 62304 (A)</p> Signup and view all the answers

What is the purpose of integration testing in medical device software development?

<p>To confirm the interaction of software subsystems (B)</p> Signup and view all the answers

What is the common practice for searching for defects in medical device software?

<p>Using Monte Carlo simulations (C)</p> Signup and view all the answers

Which government agency heavily influences the coverage decisions of private payers for medical reimbursement?

<p>CMS (A)</p> Signup and view all the answers

What is the potential impact if insurance companies and government healthcare providers do not provide reimbursement for a medical device?

<p>The potential product market shrinks dramatically (D)</p> Signup and view all the answers

Which organization sets international standards for product standards, including those for medical devices?

<p>ISO (A)</p> Signup and view all the answers

What is one of the key factors to consider in the product development plan for a medical device?

<p>The manufacturing strategy (B)</p> Signup and view all the answers

Which phase of the medical device development process focuses on understanding the product, the user, and the market?

<p>Concept evaluation (D)</p> Signup and view all the answers

What is the goal of the engineering design process phase in medical device development?

<p>To design and develop the medical device (B)</p> Signup and view all the answers

Which plans must be completed before leadership can make a go/no-go decision for developing a product?

<p>Concept evaluation plan (D)</p> Signup and view all the answers

What is one of the key aspects considered in the product description during the Market Opportunity Evaluation phase?

<p>The expected users (B)</p> Signup and view all the answers

Which of the following is NOT a potential concern regarding the compatibility of a pacemaker with other devices?

<p>Use of existing surgical tools for implantation (B)</p> Signup and view all the answers

Which of the following is a common labeling deficiency for medical devices?

<p>Missing or unavailable use instructions (C)</p> Signup and view all the answers

What is the purpose of human factors engineering in the development of medical devices?

<p>To ensure the design supports safe and accurate user performance (B)</p> Signup and view all the answers

Which one of the following is a key aspect of software design for medical devices?

<p>Specific design practices (A)</p> Signup and view all the answers

Which ISO standard is recognized by both the FDA and Europe's Medical Device Directive for medical device software development?

<p>ISO 62304 (C)</p> Signup and view all the answers

What is the classification of software that controls life support equipment?

<p>Class C (C)</p> Signup and view all the answers

What is the purpose of integration testing in medical device software development?

<p>To evaluate the interaction of software subsystems (C)</p> Signup and view all the answers

What is the goal of the Market Opportunity Evaluation phase?

<p>To understand the product, the user, and the market (D)</p> Signup and view all the answers

During the Engineering Design phase, what is the main challenge of engineering software?

<p>Designing software that can be effectively evaluated (D)</p> Signup and view all the answers

When determining the product requirement specifications, what factor(s) does the development team consider?

<p>The intended use of the device and indications for use (A)</p> Signup and view all the answers

What are the electromagnetic compatibility requirements for a medical device?

<p>Susceptibility to electric impulses (C)</p> Signup and view all the answers

What safety requirements must a permanently implanted medical device meet?

<p>Toxicity and biocompatibility analysis (D)</p> Signup and view all the answers

During the concept evaluation phase, what are the key items that must be completed?

<p>The product's architecture diagram, user interface requirements, product requirement documents, software requirements, and a list of human factors (B)</p> Signup and view all the answers

What is the purpose of the concept model?

<p>To prove the core technology will work (C)</p> Signup and view all the answers

What is the purpose of creating a breadboard during the proof of concept process?

<p>To provide evidence that the technology works and to identify and reduce implementation risks (B)</p> Signup and view all the answers

What plans are drafted during the concept evaluation phase?

<p>Risk analysis plan and business review plan (A)</p> Signup and view all the answers

Which one of the following is NOT considered during the specification setting phase in the design process?

<p>Cost of implementing design changes (C)</p> Signup and view all the answers

What is the potential cost of implementing a design change if it is introduced in the design phase?

<p>$100 (D)</p> Signup and view all the answers

Why is careful specification setting important in terms of production costs?

<p>It helps save money in the long run (A)</p> Signup and view all the answers

What is the purpose of the electrical design and control software in relation to temperature regulation?

<p>To support proper temperature regulation (C)</p> Signup and view all the answers

What is the potential cost of implementing a design change if it is introduced later?

<p>$100,000 (B)</p> Signup and view all the answers

What is the purpose of having a complete specification in the design process?

<p>To save time and money for developers (C)</p> Signup and view all the answers

Which section of the course introduces the concept of direct and indirect measurements?

<p>Introduction to Measurements (C)</p> Signup and view all the answers

What is the purpose of using a gold standard diagnostic in medical testing?

<p>To establish a benchmark for diagnostic tests (D)</p> Signup and view all the answers

What are indirect measurements often referred to as in clinical studies?

<p>Surrogate endpoints (D)</p> Signup and view all the answers

In what type of medical condition is a gold standard test likely to be an indirect measurement?

<p>Conditions that require an autopsy for a perfect diagnosis (C)</p> Signup and view all the answers

Which of the following is an example of an indirect measurement used as a diagnostic test?

<p>Measurement of red blood cell count (B)</p> Signup and view all the answers

Which of the following is an example of a direct measurement used as a diagnostic test?

<p>Measurement of cholesterol levels (D)</p> Signup and view all the answers

Which of the following is an example of a gold standard test for diagnosing a particular infectious agent?

<p>Bacterial culture (A)</p> Signup and view all the answers

What is the purpose of constructing a standard curve in diagnostics?

<p>To graph the relationship between jellybean weight and the number of jellybeans (B)</p> Signup and view all the answers

Which type of distribution is commonly seen in analyte concentrations associated with disease in a population sample?

<p>Bimodal distribution (B)</p> Signup and view all the answers

What percentage of the population falls within a certain range of height measurements in a normal distribution?

<p>68% (C)</p> Signup and view all the answers

What is the main challenge in differentiating the diseased population from the healthy population in a bimodal distribution?

<p>Overlap between the two populations (B)</p> Signup and view all the answers

What is the ideal scenario for differentiating the diseased group from the healthy group in a test?

<p>Clear separation with no overlap (B)</p> Signup and view all the answers

Which of the following best describes a bi-modal distribution?

<p>A distribution with two different modes (D)</p> Signup and view all the answers

What is the advantage of a bi-modal curve that does not overlap?

<p>It allows a diagnostic to determine who is healthy and who has the disease (B)</p> Signup and view all the answers

What is the accuracy of a test defined as?

<p>The statistical difference between the result and the reference value or gold standard (B)</p> Signup and view all the answers

What is a false positive in a diagnostic test?

<p>When someone who doesn't have a disease or condition tests positive for it (C)</p> Signup and view all the answers

Which of the following is NOT a key factor in the use of colorimetric assays?

<p>The type of chemical element (C)</p> Signup and view all the answers

What is the purpose of a standard curve in colorimetric assays?

<p>To correlate the degree of color change with a known analyte concentration (B)</p> Signup and view all the answers

What is the advantage of using a bi-model curve in diagnostic measurements?

<p>It provides a clear distinction between normal and abnormal measurements (B)</p> Signup and view all the answers

What causes variations in diagnostic measurements?

<p>All of the above (D)</p> Signup and view all the answers

Which one of the following best describes sensitivity in the context of a diagnostic test?

<p>The ability of the test to correctly identify all individuals who have a disease. (C)</p> Signup and view all the answers

Which one of the following best describes specificity in the context of a diagnostic test?

<p>The ability of the test to correctly identify healthy individuals. (D)</p> Signup and view all the answers

What is the formula for calculating sensitivity?

<p>$\frac{A}{A + C}$ (A)</p> Signup and view all the answers

What is the formula for calculating specificity?

<p>$\frac{B}{B + D}$ (A)</p> Signup and view all the answers

Which scenario illustrates high specificity and low sensitivity?

<p>Testing for drunk driving (D)</p> Signup and view all the answers

What does sensitivity mean in the context of diagnostics?

<p>Identifying everyone with a disease (D)</p> Signup and view all the answers

What does specificity mean in the context of diagnostics?

<p>Rejecting everyone without a disease (B)</p> Signup and view all the answers

Which diagnostic test is described as having high specificity and low sensitivity?

<p>Testing for drunk driving (C)</p> Signup and view all the answers

What is the opposite scenario to searching for a weapon at an airport?

<p>Testing for drunk driving (A)</p> Signup and view all the answers

What is the result of searching for a weapon at an airport?

<p>Most weapons are found, but many people are subjected to unnecessary searches (D)</p> Signup and view all the answers

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