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Accompanying text for the slides in this lesson can be found on pages 33 through 42 in the textbook: Lesson 07: Ultrasound Transducers This lesson contains 62 slides plus 16 multiple-choice questions.
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Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

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Page 1: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Accompanying text for

the slides in this lesson

can be found on pages 33

through 42 in the

textbook:

Lesson 07:

Ultrasound Transducers

This lesson contains 62 slides

plus 16 multiple-choice

questions.

Page 2: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Ultrasound Transducers

Page 3: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Ultrasound Transducers

Page 4: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Ultrasound Transducers

THE NUMBER OF ACOUSTIC LINES

IN A REAL TIME IMAGE:

PULSE REPETITION FREQUENCY

FRAME RATE

Page 5: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Ultrasound Transducers

PRF ÷ FRAME RATE = ACOUSTIC LINES

1000 Hz 10 Hz 100

1000 Hz 20 Hz 50

1500 Hz 10 Hz 150

1500 Hz 20 Hz 75

2000 Hz 10 Hz 200

2000 Hz 20 Hz 100

ACOUSTIC LINES = PRF ÷ FRAME RATE

Page 6: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Ultrasound Transducers

ACOUSTIC LINES = PRF ÷ FRAME RATE

DISPLAY

DEPTH

PRF CHANCE OF

DEPTH

AMBIGUITY

FRAME RATE ACOUSTIC

LINES

Increase Decrease Decrease ——–—-—- Decrease

Decrease Increase Increase —————- Increase

—————— —————— —————— Increase Decrease

—————— —————— —————— Decrease Increase

Page 7: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Flat-linear array

CONVENTIONAL LINEAR ARRAY

PHOTO OF LINEAR ARRAY

Page 8: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

PHOTO OF LINEAR ARRAY

LINEAR ARRAY SLICE PATTERN

Flat-linear array

Page 9: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Flat-linear array

Page 10: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

CONVENTIONAL LINEAR ARRAY FETAL IMAGE

Flat-linear array

Page 11: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

CONVENTIONAL LINEAR ARRAY BREAST IMAGE

Flat-linear array

Page 12: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

UMBILICAL CORD WITH COLOR DOPPLER

Flat-linear array

Page 13: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Flat-linear array

Page 14: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Flat-linear array

Page 15: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Flat-linear array

Page 16: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

THYROID AND LEFT CAROTID

TRANSMIT

FOCAL

ZONES

Flat-linear array

Page 17: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

MULTI-DIMENSIONAL LINEAR ARRAY

ELEMENT CONFIGURATION

Flat-linear array

Page 18: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Flat-linear array

Page 19: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

STEERED LINEAR ARRAY VASCULAR IMAGE

Flat-linear array (Steered)

Page 20: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

PROSTATE

Flat-linear array

Page 21: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Curved-linear array (convex array)

PHOTO OF CURVED-LINEAR ARRAY

Page 22: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

CURVED-LINEAR ARRAY ELEMENT CONFIGURATION

Curved-linear array (convex array)

Page 23: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

CURVED-LINEAR ARRAY SLICE PATTERN

Curved-linear array (convex array)

Page 24: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Curved-linear array (convex array)

Page 25: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

LIVER AND RIGHT KIDNEY

Curved-linear array (convex array)

Page 26: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

ABDOMEN WITH COLOR DOPPLER

Curved-linear array (convex array)

Page 27: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Curved-linear array (convex array)

Page 28: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Curved-linear array (convex array)

Page 29: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

FIBROID UTERUS

Curved-linear array (convex array)

Page 30: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

LIVER – HEPATIC VESSELS

Curved-linear array (convex array)

Page 31: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

ASCITES

Curved-linear array (convex array)

Page 32: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

ENDOVAGINAL PROBE

Curved-linear array (convex array)

Page 33: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

ENDOVAGINAL

PROBE

TRANSABDOMINAL

PROBE

Sagittal scan planes

Page 34: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

ENDOVAGINAL UTERUS

Curved-linear array (convex array)

Page 35: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

PROSTATE IMAGE

Curved-linear array (convex array)

Page 36: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

NEONATAL BRAIN IMAGE

Curved-linear array (convex array)

Page 37: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

HANDHELD ULTRASOUND SCANNER

Curved-linear array (convex array)

Page 38: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Phased array

PHOTO OF PHASED ARRAY

Page 39: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Phased array

Page 40: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

PHASED ARRAY SLICE PATTERN

Phased array

Page 41: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Phased array

Page 42: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

ABDOMEN

Phased array

Page 43: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

FETAL HEAD

Phased array

Page 44: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Phased array

Page 45: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

ENDOVAGINAL UTERUS

Phased array

Page 46: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Phased array

Page 47: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

CARDIAC IMAGE

Phased array

Page 48: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

TRANSESOPHAGEAL

ECHOCARDIOGRAPHY

Phased array

Page 49: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

PROSTATE IMAGE

Phased array

Page 50: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Vector array

PHOTO OF VECTOR ARRAY

Page 51: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

VECTOR ARRAY SLICE PATTERN

Vector array

Page 52: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

ABDOMEN

Vector array

Page 53: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

HEART, 4-CHAMBER VIEW

Vector array

Page 54: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

CAROTID ARTERY

Vector array

Page 55: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Mechanically steered

Page 56: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Mechanical wobbler

Page 57: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

SINGLE-ELEMENT ANNULAR ARRAY

Mechanical wobbler

Page 58: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

HEPATIC VEINS

Mechanically steered

Page 59: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Mechanically steered

Page 60: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

EYE, DETACHED RETINA

Mechanically steered

Page 61: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

USB powered

CURVED LINEAR ARRAY

TRANSDUCER AND USB

ADAPTER

USB POWERED

MECHANICALLY STEERED

PROBE

Page 62: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

TRANSDUCER WITH A BUILT-IN FLUID DELAY

Fluid-delay

Page 63: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

FLAT-LINEAR ARRAY TRANSDUCER WITH A

REUSABLE EXTERNAL STAND-OFF PAD

Fluid-delay

Page 64: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Answers to the following

SIXTEEN practice

questions were derived

from material in the

textbook:

Page 65: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

For a real time image to be flicker-free, what should be the

minimum image frame rate?

15 Hz

1000 Hz

1 Hz

100 Hz

Question 1

Page 34

Page 66: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Question 1

Page 34

For a real time image to be flicker-free, what should be the

minimum image frame rate?

15 Hz

1000 Hz

1 Hz

100 Hz

Page 67: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which parameter is correct if the real time frame rate

is 20 Hz?

image is updated every 1/1000 second

number of acoustic lines is 1000

number of acoustic lines is 20

image is updated every 1/20 second

Question 2

Page 34

Page 68: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Question 2

Page 34

Which parameter is correct if the real time frame rate

is 20 Hz?

image is updated every 1/1000 second

number of acoustic lines is 1000

number of acoustic lines is 20

image is updated every 1/20 second

Page 69: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

If the real time frame rate is increased but the lines

per frame are unchanged, what else must happen?

imaging depth increases

transducer frequency increases

the pulse repetition frequency decreases

imaging depth decreases

Question 3

Page 34

Page 70: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

If the real time frame rate is increased but the lines

per frame are unchanged, what else must happen?

imaging depth increases

transducer frequency increases

the pulse repetition frequency decreases

imaging depth decreases

Question 3

Page 34

Page 71: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Question 4

Page 34

If the lines per frame changed but the imaging depth

remained the same, what else must have changed?

frame rate

pulse repetition period

pulse repetition frequency

duty factor

Page 72: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

If the lines per frame changed but the imaging depth

remained the same, what else must have changed?

frame rate

pulse repetition period

pulse repetition frequency

duty factor

Question 4

Page 34

Page 73: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

If the imaging depth is increased and the sector

angle and line density remain the same, what must

have taken place?

PRF increases

frame rate decreases

PRP decreases

frame rate increases

Question 5

Page 34

Page 74: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

If the imaging depth is increased and the sector

angle and line density remain the same, what must

have taken place?

PRF increases

frame rate decreases

PRP decreases

frame rate increases

Question 5

Page 34

Page 75: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

A real time transducer with a frame rate of 10 Hz produces

100 acoustic lines. What occurs if the PRF is unchanged?

a higher frame rate will increase the line density

a frame rate of 20 Hz will produce 200 acoustic lines

the pulse repetition period is 100 milliseconds

a frame rate of 20 Hz will produce 50 acoustic lines

Question 6

Page 34

Page 76: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Question 6

Page 34

A real time transducer with a frame rate of 10 Hz produces

100 acoustic lines. What occurs if the PRF is unchanged?

a higher frame rate will increase the line density

a frame rate of 20 Hz will produce 200 acoustic lines

the pulse repetition period is 100 milliseconds

a frame rate of 20 Hz will produce 50 acoustic lines

Page 77: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which transducer configuration produced the image?

flat linear array

convex array

phased array

vector array

Question 7

Pages 35 and 36

Page 78: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which transducer configuration produced the image?

flat linear array

convex array

phased array

vector array

Question 7

Pages 35 and 36

Page 79: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which transducer configuration produced the image?

flat linear array

convex array

phased array

vector array

Question 8

Pages 39 and 40

Page 80: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which transducer configuration produced the image?

flat linear array

convex array

phased array

vector array

Question 8

Pages 39 and 40

Page 81: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which transducer configuration produced the image?

flat linear array

curved linear array

non-curved linear array

phased array

Question 9

Pages 37 and 38

Page 82: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which transducer configuration produced the image?

flat linear array

curved linear array

non-curved linear array

phased array

Question 9

Pages 37 and 38

Page 83: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Question 10

Pages 39 and 40

Which transducer configuration produced the image?

flat linear array

curved linear array

phased array

vector array

Page 84: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which transducer configuration produced the image?

flat linear array

curved linear array

phased array

vector array

Question 10

Pages 39 and 40

Page 85: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Where is dynamic focusing possible?

on transducers with frequencies below 5 Hz

on transducer arrays

on two-element CW Doppler probes

on single-element transducers

Question 11

Page 41

Page 86: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Where is dynamic focusing possible?

on transducers with frequencies below 5 Hz

on transducer arrays

on two-element CW Doppler probes

on single-element transducers

Question 11

Page 41

Page 87: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Question 12

Page 39

When using a phased array transducer, how is the

transmitted sound beam swept?

mechanically sweeping the piezoelectric elements

mechanically rotating the piezoelectric elements

varying the timing of pulses to the individual

piezoelectric elements

varying the voltage of pulses to the individual

piezoelectric elements

Page 88: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

When using a phased array transducer, how is the

transmitted sound beam swept?

mechanically sweeping the piezoelectric elements

mechanically rotating the piezoelectric elements

varying the timing of pulses to the individual

piezoelectric elements

varying the voltage of pulses to the individual

piezoelectric elements

Question 12

Page 39

Page 89: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which pulsing pattern provides an on-axis beam with

focusing?

Question 13

Page 39

Page 90: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which pulsing pattern provides an on-axis beam with

focusing?

Question 13

Page 39

Page 91: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

What does the use of a water path permit?

the use of increased output power from the transducer

higher frequencies to be used

higher pulse repetition frequencies to be used

better visualization of superficial structures

Question 14

Page 42

Page 92: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

What does the use of a water path permit?

the use of increased output power from the transducer

higher frequencies to be used

higher pulse repetition frequencies to be used

better visualization of superficial structures

Question 14

Page 42

Page 93: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which element arrangement is only used in

mechanically steered transducers?

convex array

non-curved sequenced array

sequenced array

annular array

Question 15

Page 41

Page 94: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

Which element arrangement is only used in

mechanically steered transducers?

convex array

non-curved sequenced array

sequenced array

annular array

Question 15

Page 41

Page 95: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

What is the advantage of an annular array over a

single element transducer?

higher frequencies are possible

improved axial resolution

greater depth of focus

lower cost

Question 16

Page 41

Page 96: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

What is the advantage of an annular array over a

single element transducer?

higher frequencies are possible

improved axial resolution

greater depth of focus

lower cost

Question 16

Page 41

Page 97: Lesson 07 - Sonicor Incsonicorinc.com/images/Web_Lesson_07_2014.pdf · Lesson 07: Ultrasound Transducers This lesson contains 62 slides ... non-curved linear array phased array Question

END OF LESSON 07

For information on the accompanying textbook, visit the Website:

www.Sonicorinc.com