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New Hire Exam > Current and Past Systems > Flashcards

Current and Past Systems Flashcards

(49 cards)

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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?

Study These Flashcards
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.

Study These Flashcards
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

Study These Flashcards
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

Study These Flashcards
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?

Study These Flashcards
A

5300 used for thin skin flap

5301 used for thicker skin flap

25
1.2 sound processor
``` 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
1.2 ISC
adult approval in August 1996 pediatric approval in June 1997 standard bipolar and enhanced bipolar and HiFocus electrode arrays?
27
Describe enhanced bipolar array
``` 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
2nd Generation system
introduced in 1997 S-Series sound processor Headpiece (5300/5301) 1.2 ICS (spiral electrode array and positioning system
29
S-Series sound Processors
``` 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
3rd Generation System
``` Introduced in 2001 Platinum Series Processor (PSP) CII BTE or Platinum BTE Platinum headpiece (PHP) CII ICS with HiFocus or HiFocus II array ```
31
Platinum Sound Processor
``` 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
PSP LED indicator -battery status
4 quick blinks = battery fully charged 2-3 quick blinks = battery sufficiently charged 1 quick blink = battery near depletion
33
PSP LED indicator-lock status
LED will synchronously flash red if lock is lost
34
PSP LEd indicator-mic/system status
Green LED flickers in response to loud input | solid green light if in monitor mode
35
PSP Audible Alarms
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
CII BTE
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
Platinum BTE
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
How can you tell the difference between a CII and Platinum BTE?
CII BTE has blue underside | Platinum BTE has black underside
39
Common features between CII and Platinum BTE.
omni-directional forward facing microphone toggle switch (can be used of volume or program selection) auxillary audio earhook option T-mic
40
CII ICS
``` approved in April 2001 16 independent output circuits houses amplifier for NRI internal memory for use with PoEM programmed in SCLIN or SW ```
41
HiFocus electrode array (helix)
used 1999-present 16 planar electrodes all pointing to spiral ganglion cells slastic partitions direct current toward nerve not ear specific
42
1J electrode array
``` approved in November 2002 more complete insertion no need for positioner better when completing cochleostomy greater visibility during insertion ```
43
4th generation system
``` Introduced in 2003 PSP Auria Auria headpiece HiREs 90K ICS ```
44
Describe the Firefly earhook
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
Difference between Auria and 90K headpiece
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
5th generation system
``` introduced in 2006 PSP Harmony BTE Fidelty 120 sound processing 90K ICS ```
47
What are the features of the Harmony sound processor?
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
6th generation System
``` Harmony Neptune Fidelity 120/ClearVoice HiRes 90K UHP and Aqua Mic ```
49
Neptune
``` removable controls freestyle design 1 AAA battery (disposable or rechargeable) compatible with 90K and CII ICS waterproof and swimable ```

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