Charak DDDR

Charak DDDR Pacemaker Model 747R

charak-ddr

Specifications:

General parameter:

  • Pacing Modes:
    DDD,VDD,DDI,DVI,DOO,VVI,VVT,VOO,AAI,AAT,AOO,DDDR,VDDR,DDIR,DVIR,DOOR,VVIR,VOOR,VVTR,AAIR,AOOR,AATR,OAO,OVO,ODO,OFF
  • Basic Rate: From 30 BPM to 120 BPM in steps of 2 BPM.
  • Upper Tracking Rate (Sensor Rate) : From 80 BPM to 180 BPM in steps of 2 BPM.
  • Upper Triggering Rate: From 80 BPM to 180 BPM in steps of 2 BPM. (Behavior will be Wenckebach)
  • Minimized Ventricle Pacing.
  • A-Tachy Response.
  • Rate Smoothing in AT.
  • Safety Polarity Switch.
  • Magnet Response.
  • Noise Detection.
  • High Rate Temporary programming.

Atrial Parameters:

  • Pulse Width: From 0.07 ms and 0.1 ms to 1.5 ms in steps of 0.1 ms.
  • Amplitude: From 0.2 V to 7.5 V.
  • Pacing Polarity : Unipolar /Bipolar.
  • Sensitivity: 0.2, 0.6, 1.0, 1.4, 2.2, 3.0, 3.8, 4.6 mV
  • Sensing Polarity: Unipolar/Bipolar
  • Refractory Period: From 200 ms to 500 ms in steps of 25 ms
  • PVARP : From 200 ms to 500 ms in steps of 25 ms

Ventricular Parameters:

  • Pulse Width: From 0.07 ms and 0.1 ms to 1.5 ms in steps of 0.1 ms.
  • Amplitude: From 0.2 V to 7.5 V.
  • Pacing Polarity : Unipolar /Bipolar
  • Sensitivity: 0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5 mV
  • Sensing Polarity: Unipolar/Bipolar
  • Refractory Period: From 200 ms to 500 ms in steps of 25 ms
  • Blanking Period: 21,36 ,52, 68 ms

Hysteresis Parameter

  • Hysteresis Enable : On/Off
  • Hysteresis Rate Change : From 4 BPM to 60 BPM in steps of 4 BPM
  • Hysteresis Search: On/Off.

AV Delay Parameter

  • Post Pacing AV Delay : From 20 ms to 350 ms in steps of 15 ms
  • Post Sensing AV Delay : From 20 ms to 350 ms in steps of 15 ms
  • AV hysteresis : From 10 ms to 70 ms in steps of 10 ms
  • AV Hysteresis Search: On/Off.

A-Tachy Parameters

  • Enable: On/Off
  • A Trigger Rate: From 80 min-1 to 180 min-1 in steps of 2 min-1
  • Number of events for A-Tachy Entry: 4, 8, 16, 32
  • Number of events for A-Tachy Exit: 4, 8, 16, 32

Activity Parameters

  • Upper Activity Rate: From 80 BPM to 180 BPM in steps of 2 BPM
  • Activity Rate Response: From 1 to 15
  • Reaction Time: From 10 s to 60 s in steps of 10 s
  • Recovery Time: From 1 m to 10 m in steps of 1 m.
  • Automatic Refractory Change: On/Off. When programmed On, if the rate is greater than 120 BPM, the refractory switch to the minimum value between the programmed one and 250 ms

Magnetic Response:

  • BOL: VOO/AOO/DOO mode. (In case of dual mode, the AV delay will be 95ms.) Rate 96 BPM.
  • ERI: VOO/AOO/DOO mode. (In case of dual mode, the AV delay will be 110ms.) Rate 84 BPM.
  • EOL: VVI/AAI. Rate 64 BPM

Battery Chemistry and Model: Lithium Iodine WG8950 (1.58 Ah).

Initial Voltage: 2.8V.

Service Life: The expected life of the Pacemaker, pacing 100% at 60 min-1, DDD mode, with 2.5 V amplitude (A & V), pulse width of 0.4 ms and lead impedance 500 Ohms, is more than 8.5 Years.

Size: 49X39X8 mm
Mass: 27 gm