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What IS Biomedical Engineering?

Where Medicine Meets Technology

Biomedical Engineering is a discipline in which engineering science and technology are applied to problems in biology and medicine. The best known accomplishments involve instrumentation and devices used for diagnosis and therapy such as the cardiac pacemaker, computerized imaging, the artificial heart, etc. Less well known, but of great importance, are the applications of basic principles to the quantative modeling and simulation of physiological systems. All areas of activity benefit from the recent and rapid growth of engineering technology, in particular micro-miniature devices and computers. For the biomedical engineering student, knowledge must be acquired in both engineering and the life sciences, as reflected in our academic program requirements.

Research Examples

Problems that biomedical engineering help identify, define and solve include instrumentation and device design, the design of computerized medical imaging algorithms and equipment, artificial heart valve analysis and design, the analysis of spinal biomechanics, laser applications, biomaterials and implant design, and quantitative modeling and simulation of physiological systems.

Biomedical engineers design medical instruments for the diagnosis and treatment of various diseases as well as for research in biology. Examples of instruments for diagnosis include electrocardiographs, electroencephalographs, automatic blood analyzers, and medical imaging systems such as X-ray imaging, radio-nuclide imaging, ultra-sound imaging, computer-assisted tomography and magnetic resonance imaging.

Examples of instruments for treatment include radiotherapy mechanics, pacemakers, cardiac-assist devices, intelligent drug delivery systems, and surgical lasers. Biomedical engineers also develop artificial organs for prosthesis and various computer software and hardware systems to help provide high-quality, cost-effective health care.

You will join people who created the CAT scan, the artificial kidney, the artificial lung, and MRI, creating technology for patient monitoring, diagnosis and therapy.

Your Future as a Biomedical Engineer

Biomedical engineers are concerned with the structure of living systems, as well as the application of engineering science to problems in the diagnosis and treatment of disease. Biomedical engineers occupy positions in various aspects of health care, biomaterials, pharmaceutical and biotechnology industries. They work in product development, rehabilitation design, government and academia. There are other opportunities for biomedical engineers, such as:

  • Medical School: the curriculum prepares students to enter medical school
  • Medical research and biotechnology: development and manufacturing of medical supplies, equipment, prosthetics, and artificial organs; or, computer simulation of physiological processes and systems.
  • Heath Care: supervision, development, operation and testing of medical equipment
  • Government: analysis, classification and regulation of medical and biological methods and technologies
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    Biomedical Engineering History at the University of Minnesota

    The University of Minnesota is well known for pioneering research in biomedical engineering, often in close connection with local medical device companies, as illustrated in the following table and on the history pages of MBBNet.

    Year

    Product

    Impact

    Collaborators
    1955
    Oxygenator Made open heart surgery a common surgical procedure, oxygenator simplified for mass production

    DeWall (faculty)

    Lillehei (faculty)

    1950's
    Open Heart Surgery First successful method over large number of patients

    Lillehei (faculty)

    Varco (faculty)

    1957
    Pacemaker Medtronic changed direction, became leading medical device manufacturer.

    Lillehei (faculty)

    Bakken (alumnus)

    1966
    Heart Valve Led to creation of St. Jude Medical, Inc., the world's leading heart valve company

    Lillehei (faculty)

    Kastor (Engineer IT)

    Washington Scientific Medical, Inc.

    Francis Child

    1971
    Bio-Pump Centrifugal Blood Pump Used as an external pump to keep patients alive while awaiting transplant

     Biomedicus (Medtronic)

    Dorman (alumnus)

    Blackshear (faculty)

    1973
    Kidney Perfusion Device Transport device that kept kidneys viable for transplant

    Waters Instruments

    Dorman (alumnus)

    Blackshear (faculty)

    1960's
    Anesthesia Monitor Portable mass spectrometer. Built by physics professor to monitor anesthesia vapors during surgery. Paved the way for commercialization of technology now used in all operating rooms.  Waggenstein, Visscher, Maurice, Nier (all faculty)
    1990's
    Bair Hugger Patient Warmer Temperature control device for operating room Augustine (faculty/alumnus)
    1990's
    "Angel Wings" Heart Patch Early US clinical trials - patches holes in the heart wall - delivered through a catheter so is minimally invasive

    Das (faculty)

    Microvena Corp

    1990's
    Bioartificial Liver Phase I human trial soon. Provides patient with liver dialysis while awaiting transplant or liver recovery.

    Cerra (Provost)

    Wei Shou Hu (faculty)

    1990's
    DNA Extractor Microfabricated DNA extraction mechanism that analyses genetic material

    Polla (faculty)

    McGlennen (faculty)

    1990's
    Biosensors Devices that detect specific biochemical reactions. Could include implantable drug delivery systems and sensors in which electronic readout using wires presents a problem of inaccessibility Polla (faculty)
    1990's
    Bioartificial Arteries Tubular constraints fabricated from biopolymers and vascular cells that may be used as replacement coronary arteries.

    Mooradian (faculty)

    Tranquillo (faculty)



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