DS7AP Muscle Locating Stimulator

DS7AP Muscle Locating Stimulator

£5,150.00 exc. VAT

Manufacturer's Net List Price

FEATURES

  • MDD CE certified and FDA 510(k) cleared medical device.
  • 50Hz fixed pulse frequency.
  • 0-100mA constant current output from 100V compliance.
  • Two pulse durations (200µs or 500µs).
  • Compatible with our dedicated DS7AP-DP Disposable Bipolar Probes.

Description

DESCRIPTION

The Digitimer DS7AP Muscle Locating Stimulator has been designed to meet the specific requirements of paediatric surgeons who need a reliable and easy to use constant current muscle locating surgical stimulator when carrying out the Peña, “Pull-through” or PSARP (posterior sagittal anorectoplasty) reconstruction technique in children. Now used in over 30 countries around the globe, the Digitimer DS7AP is employed by a paediatric surgeon to identify underlying musculature which is used to reconstruct the rectum and anal sphincter.  The DS7AP is the only stimulator currently cleared by the United States FDA for use in this technique and is the perfect replacement for ageing Radionics PS-1 or Integra PS-2 “Peña Stimulators”.

The DS7AP output can be operated using a front panel toggle switch or foot pedal (D185-FS1) and can be supplied with single-use disposable bipolar probes (DS7A-DP2).

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Product Information

DS7AP Muscle Locating Stimulator
Product Information

DOWNLOAD BROCHURE

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ACCESSORIES

Supplied

  • Mains Lead
  • DS7AP Operator’s Manual
  • D185-HB4-2m Electrode Extension Cable (for use with disposable probes)
  • D185-FS1 Foot switch (for hands free use)
  • DS7AP-TB Test Box
  • Sample DS7AP-DP2 probe

Required for use

FAQs

What stimulation currents are normally needed when carrying out a PSARP surgery?
While we do not have direct clinical experience, our customers typically recommend that a current of between 80 and 100mA is required when stimulating at the skin surface, but as the surgery progresses into deeper tissue, the current may be reduced to around 40-50mA.
I sometimes see the compliance warning light come on during stimulation and I don’t see any muscle twitches, what is wrong?
The amber out of compliance warning LED typically only illuminates when the impedance between the stimulation probe tips is excessive and is preventing the dialled current from being delivered. Impedance issues are usually resolved by swabbing with saline immediately prior to stimulation, as this makes the skin more conductive and allows the stimulator to work more effectively.
I have previously used your DS7AP-DP probes, but see you have replaced them with DS7AP-DP2 probes, what are the differences?
In response to feedback from users, we have altered the design of the probes to increase the spacing between the tips and their exposed surface area. These changes reduce the resistance between the tips and the wider spacing makes it less likely the current will short circuit across them without stimulating the underlying sphincter complex.
Do you still supply a reusable probe that can be sterilised between uses?
No, the original probe that we previously supplied was discontinued by the manufacturer in 2019, as most hospitals move towards single-use products, due to high reprocessing costs.
I have a very old Peña Stimulator manufactured by Radionics or Integra Neurosciences, will the DS7AP be a suitable replacement and can it be used with the PS2-P reusable probes?
Yes, the DS7AP was introduced specifically to meet the needs of paediatric surgeons who needed to replace these older devices that are not certified to the current medical device standards. As the DS7AP has 4mm touch-proof sockets, it is compatible with the reusable PS2-P probes, but as these are no longer manufactured we recommend our single use alternatives. The DS7AP is supplied with an adaptor cable to make use of our disposable precision bipolar probes simple and convenient.

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