EnFrDeNl
Sie sind hier : Home  > Implantierbare VNS Stimulator > Technische Unterlagen

Technische Unterlagen

  

 

 Stimulation Parameters  

Output current

0-3 mA in 100 μA steps

Pulse frequency

1, 2, 5, 10, 15, 20, 25, 30 Hz

Pulse width

130, 250, 500, 750, 1000 μsec

Stimulus ON time

7, 14, 21, 30, 60 sec

Stimulus OFF time

0.2, 0.3, 0.5, 0.8, 1.1, 1.8, 3 min, and 5 to 180 min (5 to 60 in 5-min steps; 60 to 180 in 30-min steps)

Stimulus regimen

«Standard», «Strong», «Off», selected with the Pebble. Programmed by the physician.

Patient information feedback

System OK indication. Stimulation regimen.

Standard stimulus parameters

500 μA; 1 Hz; 130 μsec; ON time, 30 sec; OFF time, 90 min

Strong stimulus parameters

1500 μA; 30 Hz; 500 μsec; ON time, 10 sec; OFF time, 5 min; release time, 5 min.

Telemetry

 

Type

MICS 403.5 MHz - RFID 13.56 MHz

Device Database

Implant date, model number and serial number

Device Diagnostic and History Report

Battery level and charging status, device testing results, impedance history and battery history

Device parameter programming

View and upload stimulation parameters (amplitude,frequency,pulse width, ON/OFF time....) standard and strong parameters.

Physiological measurements

Electrode loop impedance, Action potential detection

Power Source

 

Battery

Wilson Greatbatch Ltd., Model R10499

Chemistry

Secondary cell - Lithium-Ion

Capacity

35 mAh

Charging

EM coupling - Spiral set of antenna - 13.56 MHz

OCV (open circuit voltage)

4.1 Volts

Rated Average Load Voltage

3.8 Volts

Operating Temperature

37°C

Rated Number of Cycles

>1000

Self-discharge rate (S.O.C.= State of Charge)

20% @100% S.O.C - 5% @10% S.O.C. per month

Capacity retention

58% after 12 years @ 6 cycles/year

Lifetime

≥ 12 years

Materials

 

Case

Titanium, hermetically sealed

Header

Silicone rubber

Lead connector contacts

316LVM Stainless steel

Measurements

 

Dimensions

45 mm x 32 mm x 8 mm

Weight

20 grams

Lead connector

 

Type

Circular 5-7 contacts

External Diameter

5.4 mm

Material

316LVM Stainless steel - Titanium - Silicone

Electrical contact material

316LVM Stainless steel

Retention Strength

>10N

Locking/unlocking

Auto-lock system

Polarisation

Shaft slot

Lead

 

Diameter

2mm

Insulation

Teflon coating – Upper layer in silicone

Conductor coil construction

Helical 4 wires

Wires material

Multistrand 7x0.02 - 316LVM

Overall length

43 cm

Lead resistance

290 Ohms

Electrode

 

Type

Self-sizing cuff

Material

Silicone sheeting

Contact material

Platinum

Contact pattern

Stimulation: 2 contacts – 3.5 mm inter-electrode distance Detection: longitudinal tripole

Inner diameter

Self-sizing 2 to 3 mm

 

 

 

 

 

Nachrichten
Copyright © 2000 Neurotech S.A. Tous droits réservés -   Mentions légales-   Vie privée Design & development : www.visible.be