3.3A Medical Technologiessciencewithz.weebly.com/uploads/2/5/1/0/25106439/3.3a_medical... · CT or CAT scan (computerized axial tomography) Ultrasound (medical sonography) MRI scan

3.3A Medical Technologies

Advances in Medical Technologies

acupuncture

CT scanner

Herbal medicine

endoscopy

Biophotonics• procedures and devices that use light technologies

• minimally invasive

• fewer complications

• less discomfort

Biophotonics: Endoscopes• help physicians see inside the body

• help perform surgeries without big incisions

Biophotonics: Endoscopes

Endoscopic surgery Traditional surgery

Biophotonics: Laser Eye Surgery• a high energy laser is used to take a tiny slice off the front of the cornea

• corrects near-sightedness

Laser Eye Surgery Video

• techniques used to form an image of a body’s internal cells, tissues, and organs

Medical Imaging Technologies

Diagram 3.2-1

X-RayFollow the table on pg. 94

Diagram 3.2-1

CT or CAT Scan

Diagram 3.2-1

Ultrasound

Prenatal Care: Ultrasound• allows safe monitor fetus development

• uses sound waves

• long-term effects are unknown so it should only be performed when necessary during pregnancy

Diagram 3.2-1

MRI Scan

3.3A Review

Concepts to be reviewed:• the technologies involved in the diagnosis and treatment of abnormalities in tissues, organs, and systems• the use of biophotonics technology

• the use of medical imaging technology

Complete 3.3A Worksheet

3.3A Homework