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Dual-chamber pacemakers
Dual-chamber pacemakers
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Dual-chamber pacemakers

Dual-chamber compact implantable telemetry pacemakers of DDDR VIRSAR DR and DDD VIRSAR DC types are designed for treatment of heart rhythm disorders by electrical stimulation of ventricles and atria.
Brand
Baikal
Baikal

Dual-chamber pacemakers

Dual-chamber compact implantable telemetry pacemakers of DDDR VIRSAR DR and DDD VIRSAR DC types are designed for treatment of heart rhythm disorders by electrical stimulation of ventricles and atria.
Brand
Baikal
Baikal

Description

Pacemakers are produced at the Izhevsk Mechanical Plant JSC.

The company has extensive experience in the design and serial production of implantable pacemakers, programmers and bipolar electrodes. With its modern high-tech equipment and highly competent personnel, the plant boasts over 30 years of experience in the manufacture of medical appliances.

Dual-chamber compact implantable telemetry pacemakers of DDDR VIRSAR DR and DDD VIRSAR DC types are designed for treatment of heart rhythm disorders by electrical stimulation of ventricles and atria. The VIRSAR DR pacemaker has a frequency adaptation feature. Its activity sensor allows for increasing the stimulation pulse frequency depending on the level of patient's physical activity.

The pacemakers can be used with unipolar or bipolar electrodes with IS-1 standard leads (3.2 mm). The pacemakers use screwless connections to attach the anode contact of the connector part of the electrode. The pacemakers can be programmed with the UNI-2 programmer.

Features

  • automatic pacing mode switching with continuous analysis of activity within refractory periods,
  • extensive statistics on multiple events presented as convenient histograms,
  • protection against pacemaker-mediated tachycardia,
  • sleep rate and intracardiac electrogram recording features,
  • temporal programming for rates from 30 to 460 ppm,
  • electrode impedance measurement from 200 to 3,000 ohms,
  • emergency stimulation mode with 6.3 V amplitude and stimulation pulse duration of 976 μs.

Characteristics

VIRSAR DR pacing modes
DDD, DDDR, DDI, DDIR, DVI, DVIR, DОО, DOOR, VDD, VDDR, VVI, VVIR, VVT, VVTR, VОО, VOOR, AAI, AAIR, AAT, AATR, AОО, AOOR
VIRSAR DC pacing modes
DDD, DDI, DVI, DОО, VDD, VVI, VVT, VОО, AAI, AAT, AОО
Pacing pulse rate, ppm
30...60...160, 5 ppm increments
Pacing pulse amplitude (A/V channels), V
0.60; 1.00; 1.35; 1.75; 2.10; 2.50; 2.90; 3.25; 3.65; 4.00; 4.40; 4.80; 5.15; 5.55; 5.90; 6.30; 7.50; 9.00
Pacing pulse duration (A/V channels), μs
122...366...976, 122 µs increments
A channel P-wave sensitivity threshold, mV
0,3; 0,8; 1,4; 1,9; 2,4; 3,0; 3,5; 4,0
V channel R-wave sensitivity threshold, mV
1.0; 2.0; 3.0; 3.0; 4.0; 5.0; 6.0; 7.0; 8.0
A channel refractory period, ms
200...300...500, 20 ms increments
V channel channel refractory period, ms
200...260...500, 20 ms increments
A-V interval, ms
80…180…300, 20 ms increments
A-V interval hysteresis, ms
OFF; 20...100, 20 ms increments
A-V interval search hysteresis, ms
OFF; ON
Dynamic A-V interval
OFF, small; medium; large
P-V interval, ms
OFF; -30
A channel blanking period, ms
60…140…300, 20 ms increments
V channel blanking period, ms
30…50…60, 10 ms increments
Rate hysteresis, ms
OFF; 50...300 s, 50 ms increments
Rate search hysteresis, ms
OFF; ON
Maximum synchronization rate, ppm
60...120...180, 5 ppm increments
Mode switching
OFF; ON.
Mode switching type
slow; fast
Pacing mode switching rate, ppm
90...180, 5 ppm increments
Sleep rate, ppm
OFF;-5...-30, 5 ppm increments
Bedtime, h
0...23, 1 h increments; 0...50 min, 10 min increments
Waking time, h
0...23, 1 h increments; 0...50 min, 10 min increments
Pacemaker-mediated tachycardia detection
OFF; ON
VARIO mode programming by amplitude and duration
OFF; ON.
Input-output mode
unipolar; bipolar
Telemetry
Model and serial number, programmed pacing parameters, battery status, electrode impedance, event markers, patient data
Statistics
paced events on A and V channels, perceived events on A and V channels, combination of paced/perceived events, number of pacing mode switches VIRSAR DR rate adaptation modes
Maximum sensor rate, ppm
90...180 s, 5 ppm increments
Reaction time, s
10...50 s, 10 s increments
Recovery time, min
1...16, 1 min increments
Rate rise coefficient
AUTO; 1...16, 1 pt increments