Quiz 1 Flashcards
(35 cards)
Which of the following is not an indication for the Vibrant Soundbridge middle ear implant?
Normal middle ear anatomy
Sensorineural hearing loss
Word recognition scores of at least 50%
Age 12 years and older
Age 12 years and older
In the Envoy Esteem middle ear implant system, which component is surgically coupled to the incus?
Sensor
Driver
FMT
Magnet
sensor
Which of the following statements about the Baha Connect system is TRUE?
It does not require osseointegration
It relies solely on adhesive pads for fixation
It is not MRI compatible
It uses a TiOblast™ surface to enhance osteoblast migration
It uses a TiOblast™ surface to enhance osteoblast migration
Which of the following is a fully implantable middle ear device?
SAMBA 2
Vibrant Soundbridge
MAXUM
Envoy Esteem
envoy esteem
Which of the following is a non-surgical bone conduction device?
Sophono
Cochlear Baha Attract
Oticon Ponto
MED-EL ADHEAR
med-el adhear
What makes electromechanical transducers more reliable than electromagnetic transducers?
They require no surgery
They do not require external power sources
They eliminate variability in magnet-coil distance
They have lower output and narrower bandwidth
They eliminate variability in magnet-coil distance
Which transducer type in MEIs has the disadvantage of output varying with distance?
Piezoelectric
Electromechanical
Digital electric
Electromagnetic
electromagnetic
How is the magnet in the MAXUM system activated to vibrate the ossicular chain?
By electromagnetic signals from an in-canal processor coil
By external piezoelectric transducer
By electrical impulses through the auditory nerve
By electrical signal generated by the external speech processor
By electromagnetic signals from an in-canal processor coil
Why do transcutaneous BCDs often have less efficient sound transmission compared to percutaneous systems?
The skin attenuates the vibratory signal
They use piezoelectric transducers
They are not fixed by osseointegration
They require higher powered batteries
The skin attenuates the vibratory signal
Which system uses a piezoelectric transducer for mechanical sound generation?
MED-EL BONEBRIDGE
Oticon Ponto
Cochlear Osia
Sophono Alpha 2
cochlear osia
Which of the following is NOT an FDA-approved indication for the Envoy Esteem middle ear implant?
Unaided word recognition score of ≥40%
Moderate to severe sensorineural hearing loss
Conductive hearing loss without ossicular chain involvement
Minimum of 30 days of appropriately fit hearing aid use
Conductive hearing loss without ossicular chain involvement
What is the primary benefit of bone-anchored implants for individuals with single-sided deafness?
Reduction of the head shadow effect, improving speech recognition when sound comes from the poorer ear side
Enhanced ability to localize sounds using binaural cues
Improved hearing in noise due to bilateral input
All of the above
Reduction of the head shadow effect, improving speech recognition when sound comes from the poorer ear side
What is the minimum age at which a child can be considered for surgical implantation of a percutaneous bone conduction hearing device?
3 years old
5 years old
8 years old
12 years old
5 yrs old
Which of the following is a true limitation of piezoelectric transducers in MEIs?
Limited output and narrow bandwidth make them unsuitable for moderate-severe HL
They require battery replacements every few days
They produce excess mechanical feedback
Output is dependent on the distance between the magnet and coil
Limited output and narrow bandwidth make them unsuitable for moderate-severe HL
In bone conduction implants, how is the process of osseointegration best defined?
The biological adhesion of bone cells to the surface of a titanium implant, forming a stable and functional connection
Surgical placement of a titanium screw into the mastoid bone
The transmission of mechanical vibrations across the skin via a transcutaneous system
The process of securing the abutment to the skull in a one-stage surgical procedure
The biological adhesion of bone cells to the surface of a titanium implant, forming a stable and functional connection
The envoy medical esteem implant includes all of the following EXCEPT
Floating mass transducer
Sensory
Driver
Battery
Floating mass transducer
What is the primary difference bw active and passive BC implants
Passive devices require surgical placement of the transducer under the skin
Active devices have an implanted transducer that generates vibration directly to bone
Passive devices transmit sound via air conduction
Active devices depend on skin pressure to transmit sound
Active devices have an implanted transducer that generates vibration directly to bone
In the implantable and non-surgical BC devices, what is the name of the component that attaches the sound processor to an abutment, magnet or softband
Snap coupling
Floating mass transducer
Magnet
Sensor
snap coupling
The MED-EL Vibrant Soundbridge is FDA-approved for the treatment of conductive hearing loss.
true
The Vibrant Soundbridge’s Floating Mass Transducer (FMT) is typically coupled to:
Long process of the incus
Stapes footplate
Round window only
Cochlear promontory
Long process of the incus
In implantable and non-surgical bone conduction devices, what is the name of the component that attaches the sound processor to an abutment, magnet, or softband?
Snap coupling
Floating mass transducer
Magnet
Sensor
snap coupling
The sensor and driver on the Esteem middle ear implant are examples of piezoelectric transducers.
true
According to FDA guidelines, which type and degree of hearing loss typically qualifies a patient for a middle ear implant?
Moderate to moderately severe sensorineural hearing loss
Mild to moderately severe sensorineural hearing loss
Moderate to profound sensorineural hearing loss
Any degree or type of hearing loss
Moderate to moderately severe sensorineural hearing loss
Which audiometric measure is most critical when selecting the appropriate power level of a bone conduction sound processor
Word recognition ability in quiet
Air conduction thresholds across frequencies
Bone conduction pure-tone thresholds
Air and bone conduction thresholds in the frequency range of 500 -6000 Hz
Bone conduction pure-tone thresholds
