Cochlear SPrint Sound Processor Technické informace stáhnout pdf (Strana 59)

CLINICAL GUIDANCE | SECTION TWO

ECG monitoring equipment

Caution: During stimulation the recipient must be connected to ECG

monitoring equipment with a member of medical staff qualiﬁed in

resuscitation present.

Due to the proximity of the auditory brainstem implant electrodes to the tenth

nerve (vagus), there is a small risk that electrical stimulation could disturb

heart rhythm. A standard 3-lead ECG is sufﬁcient to monitor heart activity.

The recipient may be seated or supine for programming, according to comfort.

You must always follow this procedure for the ﬁrst ﬁtting and for subsequent

programming if previously untested electrodes are being used, or if the

recipient has reported any side effects consistent with a heart rhythm change

(e.g. feeling unwell, light headed, palpitations, etc.).

2.1.1.2 Programming the ABI

Transmitter coil

If the internal magnet has been removed from the Nucleus 24 ABI implant,

ensure that the external transmitter coil is held in position by use of either

a lightly elasticated headband, or an adhesive retainer disk (available from

Cochlear). In each case, you must ascertain the orientation of the implant to be

able to correctly position the transmitter coil.

To position the transmitter coil:

1. Position the coil over the centre of the superior-posterior section of the

implant behind the pinna.

2. If using a retainer disk, expose an area of skin on the scalp directly over the

receiver coil of the implant.

3. Trim away a circular patch of hair (approx. 15 mm in diameter) a few

millimetres above the centre position of the coil.

4. Wipe clean the exposed skin with gauze moistened with 70% isopropyl

(rubbing) alcohol.

5. When the skin is dry, peel off the backing of the retainer disk and press the

disk ﬁrmly to the scalp.

6. Attach the retainer disk so it rests just above the centre of the receiver coil

of the implant, since the transmitter coil will not adhere directly to the

centre of the retainer disk (Figure 3).

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Cochlear SPrint Sound Processor Technické informace Strana 59