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New Hire Exam > Current and Past Systems > Flashcards

Current and Past Systems Flashcards

1
Q

What are the components of a CI system?

A

Internal and external

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2
Q

What are the components of the internal system?

A

Implant (ICS)

Electrode array

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3
Q

What are the components of the external system?

A

sound processor
headpiece
accessories

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4
Q

How many ICS’s does AB have?

A

4 (C 1.0, C 1.2, CII, HiRes 90K

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5
Q

How many CI system generations does AB have?

A

5 (current is HiResolution Bionic Ear System)

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6
Q

What are the components of the current Bionic Ear System?

A

HiRes 90K ICS, Harmony sound processor, Neptune Freestyle processor

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7
Q

Name to various electrode arrays AB has developed.

A

Standard aray
Enhanced Bipolar array
HiFocus array
HiFocus (ICS-2) array

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8
Q

What are some of the first technologies introduced by AB?

A

multiple programs used in sound processors
LED and audible alarms
audio mixing
bi-directional telemetry

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9
Q

What are the components of an ICS?

A 
casing/receiver packaging
output circuits
capacitors
magnet
custom chip
bi-directional telemetry
electrode array
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10
Q

List the electronics capability available with the current ICS systems (CII and HiRes 90K)

A 
83,0000 pps
16 output circuits
ClearVoice
Fidelity 120
HiResolution, MPS, CIS
Neural Response Imaging (NRI)
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11
Q

Describe output circuits

A

allows significant flexibility in sound processing
able to produce different wave forms on a channel by channel basis
analog. vs. pulsatile
capability to stimulate sequentially, partially simultaneously or fully simultaneously
C1- 8 independent output circuits
CII/90K - 16 independent output circuits

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12
Q

What is a capacitor?

A

electrical component that holds a charge. Necessary to provide protection against leakage of harmful DC current that can damage neural tissue.

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13
Q

At what Telsa can an implant recipient get an MRI at?

A

.3-1.5 Tesla

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14
Q

What is the advantage to the custom chip in AB ICS?

A

capability to sample and deliver the incoming signal at fast stimulation rates (83,000 pps).
backward compatible.

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15
Q

Describe telemetry

A

Bi-directional telemetry: sends information in both directions and monitors communication between internal and external hardware.
this is an essential feature for audible alarms/LED, measuring impedances and power management

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16
Q

What is forward telemetry?

A

sends across data and power information from external to internal.

occurs at 49 MHz.

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17
Q

What is backward telemetry?

A

provide information about stats of implant.
allows system to continually monitor function, even during operation.

occurs at 10.7 MHz.

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18
Q

Monopolar coupling

A

The stimulating/active electrode is intracochlear
ground electrode is extracochlear
able to recruit more nerve fibers to obtain adequate loudness levels with less current.

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19
Q

Bipolar coupling

A

Both stimulating and ground electrodes are intracochlear.
stimulate more accurately
recruits fewer nerve fibers which requires more current to obtain adequate loudness levels
(chance of more spread of current)

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20
Q

What are the differences between the Auria and Harmony sound processors?

A

Harmony has a built in LED, telecoil, and ability to utilize Fidelity 120 and ClearVoice

21
Q

List the sound processing strategies that AB has developed over the years.

A

CIS: continued interleveled sampler
CA: compressed analog (obsolete)
SAS: simultaneous analog stimulation (used with C1)
MPS: multiple pulsitile sample
HiRes: his resolution (paired or sequential)
Fidelity 120: current steering
ClearVoice: noise reduction

22
Q

1.0 system

A

*only used in clinical trials

  1. 0 sound processor (currently used for impedance/lock evaluations)
  2. 0 ICS with radial/standard bipolar array (used until 1994)
23
Q

1st generation CLARION

A

introduced in 1996
1.2 ICS with spiral electrode array
Headpiece 5300

24
Q

What is the difference between an 5300 and 5301 headpiece?

A

5300 used for thin skin flap

5301 used for thicker skin flap

25
Q

1.2 sound processor

A 
metal casing which are more resistant to static electricity
compatible with C1 
first to offer multiple program slots
first to offer volume and sensitivity controls
2.5 mm jack 
rechargeable NiCad batteries or 3 AA
diagnostic LED (red only) 
programmed in SCLIN
26
Q

1.2 ISC

A

adult approval in August 1996
pediatric approval in June 1997
standard bipolar and enhanced bipolar and HiFocus electrode arrays?

27
Q

Describe enhanced bipolar array

A 
used from March 1997 to 1999/2000
spiral array (modiollar hugging)
right and left ear specific
ball shaped electrodes (more spread of current)
lateral and medial electrode coupling
labeled L1, M1, L2, M2 to allow larger current spread
CIS, MPS, SAS sound processing.
only used 7 channels due to coupling
28
Q

2nd Generation system

A

introduced in 1997
S-Series sound processor
Headpiece (5300/5301)
1.2 ICS (spiral electrode array and positioning system

29
Q

S-Series sound Processors

A 
body worn
compatible with C1
3 program slots
audible alarms
3.5 mm jack
no audio mixing
diagnostic LED
Lithium rechargeable battery
programming in SCLIN
uses single action AGC
30
Q

3rd Generation System

A 
Introduced in 2001
Platinum Series Processor (PSP)
CII BTE or Platinum BTE
Platinum headpiece (PHP)
CII ICS with HiFocus or HiFocus II array
31
Q

Platinum Sound Processor

A 
3 program slots
lithium ion recharagable battery
built in microphone tester
compatible with ALL ICS 
LED 
Programmable alarms
audio mixing
programmed in SCLIN or Soundwave
32
Q

PSP LED indicator -battery status

A

4 quick blinks = battery fully charged
2-3 quick blinks = battery sufficiently charged
1 quick blink = battery near depletion

33
Q

PSP LED indicator-lock status

A

LED will synchronously flash red if lock is lost

34
Q

PSP LEd indicator-mic/system status

A

Green LED flickers in response to loud input

solid green light if in monitor mode

35
Q

PSP Audible Alarms

A

SCLIN:
loss of lock (1 beep/second)
low battery ( 2 quick beeps/ 5 seconds)
dead battery (solid beep)

SoundWave
loss of lock (1 beep/second)
low battery (1 longer beep/second)

36
Q

CII BTE

A

compatible with CII and HiRes 90K ICS
CIS, MPS, SAS, and HiRes sound processing
3 program slots in SW ( 2 program slots and one empty in SCLIN)
PHP headpiece
toggle switch
PowerCell rechargeable battery

37
Q

Platinum BTE

A

compatible with all ICS (C1, CII, 90K)
CIS, MPS, SAS, HiRes sound processing strategies
3 program slots in SoundWave (2 program slots and 1 empty in SCLIN)
toggle switch
PowerCell rechargeable battery

38
Q

How can you tell the difference between a CII and Platinum BTE?

A

CII BTE has blue underside

Platinum BTE has black underside

39
Q

Common features between CII and Platinum BTE.

A

omni-directional forward facing microphone
toggle switch (can be used of volume or program selection)
auxillary audio earhook option
T-mic

40
Q

CII ICS

A 
approved in April 2001
16 independent output circuits
houses amplifier for NRI
internal memory for use with PoEM
programmed in SCLIN or SW
41
Q

HiFocus electrode array (helix)

A

used 1999-present
16 planar electrodes all pointing to spiral ganglion cells
slastic partitions direct current toward nerve
not ear specific

42
Q

1J electrode array

A 
approved in November 2002
more complete insertion 
no need for positioner
better when completing cochleostomy
greater visibility during insertion
43
Q

4th generation system

A 
Introduced in 2003
PSP
Auria 
Auria headpiece
HiREs 90K ICS
44
Q

Describe the Firefly earhook

A

earhook with LED built in to use with Auria sound processor

program selection: flickers 1-2-3 times depending on which program selected

System communication status: steady light if system is locked and transmitting signal
flicker on/off if system is not communicating properly

Battery status: will not illuminate if battery depleted.

45
Q

Difference between Auria and 90K headpiece

A

Auria:
low profile
cable permanently attached
internal fixed magnet (can add 1 magnet to underside if needed)

90K:
removable cable
raised underside to account for raised 90K ICS

46
Q

5th generation system

A 
introduced in 2006
PSP
Harmony BTE 
Fidelty 120 sound processing
90K ICS
47
Q

What are the features of the Harmony sound processor?

A

flexible wearing options that adapt to needs of all ages
Sleek headpiece design
advanced water protection
fully programmable childproof controls
eco-friendly batteries
IntelliLInk safety feature prevents bilateral mismatches
KinderClip and Snuggie accessories
FM compatibility
earhook available in standard and small sizes

48
Q

6th generation System

A 
Harmony 
Neptune
Fidelity 120/ClearVoice
HiRes 90K
UHP and Aqua Mic
49
Q

Neptune

A 
removable controls
freestyle design
1 AAA battery (disposable or rechargeable) 
compatible with 90K and CII ICS
waterproof and swimable

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