Location stimulator

The DS7AP is a stimulator, specially designed to meet the needs of pediatric surgeries.

The DS7AP is used by surgeons for anorectal malformation to identify the underlying musculature and aid in the reconstruction of the anus in newborns with anorectal malformations.

Technical specifications

System characteristics

  • Fixed pulse frequency of 50 Hz
  • 0-100mA constant current output from 100V compliance
  • Two pulse durations (200us or 500us)
  • Compatible with reusable (G.PS2-P) and disposable (G.3604-00) surgical bipolar pacing leads for the Pena procedure – also available from Digitimer
  • Optional foot control (D185-FS1) for hands-free control of stimulation
  • Optional output extension cable (D185-HB4-2m) required for use with disposable bipolar probes (G.3604-00)


Pulse duration: LO (200 μs) or HI (500 μs), two-position rotary switch

  • Current: 0-100mA, continuously adjustable dial
  • Compliance voltage: 100 V
  • Output frequency: 50 Hz
  • Output activated: Toggle switch (On is high, Off / Reset is low)
  • Output connections:
  • 3/4-inch touch-proof 4mm armored sockets (red and black) center
  • Foot switch connection: Rear panel mono 6.35 mm jack socket (for optional D185-FS1 contact closure foot switch)
  • Power: 100-120V or 200-240V (externally selected), 47-63Hz, 12VA