D185 MultiPulse Transcranial Cortical Stimulator

D185 MultiPulse Transcranial Cortical Stimulator

£6,604.00 exc. VAT

Manufacturer's Net List Price

FEATURES

  • MDD CE certified and FDA cleared medical device.
  • 1000V maximum voltage output (set by user).
  • 1.5A maximum current output (LCD monitor).
  • Risetime of 0.1A per microsecond.
  • 50µs pulse duration.
  • 1 to 9 pulses with user defined interpulse interval.

Description

DESCRIPTION

Now used worldwide as an effective tool for intraoperative monitoring (IOM) of the spinal cord, the D185 MultiPulse Cortical Electrical Stimulator is the ONLY standalone surgical stimulator with FDA clearance for this technique.

The D185 MultiPulse Cortical Electrical Stimulator allows transcranial motor evoked potentials (MEPs) to be used in surgical procedures such as scoliosis correction, spinal tumour resection and thoraco-abdominal aortic aneurysm (TAAA) repair. The 1000V power source means that MEPs can even be evoked in patients with pre-existing neuropathologies.

The D185 MultiPulse Cortical Electrical Stimulator is also useful for peripheral nerve stimulation. Although the D185 was designed for transcranial cortical stimulation during intraoperative monitoring, the brief high voltage output also makes it suitable for use as a spinal root stimulator during differential diagnosis of peripheral nerve disorders, such as multifocal motor neuropathy and motor neuron disease. The high voltage allows effectively stimulation of deep nerve roots as they exit the spinal column, while the very short pulse duration minimizes patient discomfort.

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Product Information

MultiPulse Stimulator D185 Mk.IIa

D185 Electrode Holders

D185 MEP Connection Headboxes

Insertion of D185 Stimulus Output Connector

References
Publications which cite use of the Digitimer D185 can be found on Google Scholar.

DOWNLOAD BROCHURE

Digitimer-Life-Science-Brochure-1

ACCESSORIES

Supplied

  • Mains (Power) lead
  • Operator’s Manual

Recommended
The D185 MultiPulse Cortical Electrical Stimulator can be supplied with a range of accessories to facilitate integration with your current operating theatre equipment and stimulation preferences. The current range includes electrode extension leads, stimulator output plugs, a footswitch and a range of electrode connection head boxes and electrode holders/handles for peripheral nerve stimulation applications.

Electrode Connection Headboxes

D185-HB4 Output Extension Cable

FEATURES

  • Output extension cable for our clinical/human use stimulators
  • Moulded connnectors at each end
  • Robust cable of various lengths

D185-HB1 Electrode Connection Headbox

DESCRIPTION D185-HB1 Electrode Connection Headbox (5m cable). This extension headbox provides 5 linked pairs of 1.5mm DIN sockets for connection

D185-HB3 Electrode Connection Headbox

D185-HB3 Electrode Connection Headbox with stimulus reversal and SEP electrode disconnection (inc. D185-CB1) – 5m. Ideal for those using SEP

Trigger Cables

D185-TC5 Trigger Cable

D185-TC5 Trigger Cable (BNC socket – 3.5mm) – 0.6m. For connection between your EP system and the D185.

D185-TC4 Trigger Polarity Inverter

D185-TC4 Trigger Polarity Inverter. For connection between your EP system and the D185.

D185-TC3 BNC Trigger Cable

FEATURES

  • Standard BNC based trigger cables
  • Available in 1m or 2m lengths
  • Suitable for multiple applications
  • Compatible with our range of amplifiers and stimulators

D185-TC2 Trigger Cable

D185-TC2 Trigger Cable (BNC – SMB) – 1.5m. For connection between your EP system and the D185.

D185-TC1 Trigger Cable

DESCRIPTION D185-TC1 Trigger Cable (BNC – 3.5mm) – 1.5m. For connection between your EP system and the D185. GALLERY DOWNLOADS

Miscellaneous Items

D180-PADS Replacement Felt Pads

D180-Pads – Pack of ten 12mm felt pads for use with the D180 and D185 Electrode Handles.  

D185-OL1 Output Lead

D185-OL1 Output Lead – moulded connector on 5m cable for user assembly. Also suitable for use with the DS7A peripheral

D185-OC1 Output Connector Plugs

D185-OC1 Output Connector Plugs for user assembly (pair). Also suitable for use with the DS7A peripheral nerve/muscle stimulator.  

D185-FS1 Foot Switch

FEATURES

  • Medical grade & sealed to IP68
  • Supplied with 3.5mm to 1/4″ mono adaptor
  • For use with D185, DS7 series and DS8R

Electrode Holders/Handles

D185-EH4 D180ES Style Electrode

D185-EH4 D180ES Style Electrode – Single anode and single cathode with long handle (with 60mm spacing).

D185-EH3 Compact Standard Electrode

The D185-EH3 “Standard Electrode” is a small handheld electrode holder which features a single anode and cathode of 12mm diameter,

D185-EH2 Depth Electrode

D185-EH2 Depth Electrode – One cathode and three anodes for deep peripheral nerve stimulation.

FAQS

The D185 has certain safety limits that prevent excessive energy from being delivered to the patient. If you set the D185 to Normal mode and try to deliver too many pulses at too high a voltage, the unit will give an ERROR. You should consult the section titled Operating Modes in the D185 Operator’s Manual where you will find a graph that illustrated what these limits are.

Before you suspect any faults with the stimulator or cable, you should confirm that you have inserted the moulded plug of the extension cable correctly into the output socket on the front of the stimulator. When the plug mates with the output socket, it can be partly inserted with very little force, however, this does not provide a good electrical connection. For a complete electrical connection, further force is required and this supplement to the D185 users manual illustrates how the plug should be correctly inserted.

Yes, the D185-HB3 was specifically designed with this problem in mind. The D185-HB3 headbox incorporates 5 pairs of MEP output sockets as well as 6 channels of isolation for SEP electrodes. If the SEP electrodes are connected through the D185-HB3, they are briefly isolated while an MEP stimulus is passed. This prevents the EP system from “seeing” the MEP stimulus artefact and thus stops the amplifier from saturating/blocking for any length of time. You can read more about the D185-HB3 on the D185 page.

This is very much a decision that only you as the user can make, however we do supply a range of different accessories which start with the basic D185-HB4 which is essentially an output extension lead and end with the D185-HB3 which has 5 pairs of output sockets, a means of isolating SEP recording electrodes during MEP stimulus and a handheld trigger/polarity switching unit (D185-CB1) which allows the operator to easily trigger the D185. More detailed information on the accessories is available on the main D185 page.

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