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