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Dynamic Plantar Aesthesiometer - DPA

Model
37450
The Dynamic Plantar Aesthesiometer was designed to automate the assessment of “touch sensitivity” on the plantar surface of rats or mice and comes ready with all necessary accessories to work with....
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The Dynamic Plantar Aesthesiometer was designed to automate the assessment of “touch sensitivity” on the plantar surface of rats or mice and comes ready with all necessary accessories to work with both Mice and Rats.  It is known by some as the Electronic Von Frey or Plantar Von Frey instrument. 
 
At each paw withdrawal, the Dynamic Plantar Aesthesiometer(DPA) automatically detects and records latency time, and actual force at the time of paw withdrawal reflex. A movable force actuator is positioned below the plantar surface of the animal and the desired force and force speed (ramp) is applied, as preset by the operator. A Von Frey–type 0.5mm filament exerts increasing force, until the animal twitches its paw. 
 
The DPA encompasses:
a movable touch-stimulator unit, well proven in previous model, complete with filament actuator and adjustable angled-mirror
a microprocessor controlled electronic unit, of new design provided with graphic display, internal memory for data storage, USB key and optional printer
a large testing surface (perforated metal platform)
a new modular animal enclosure, offering from 3 to 12 spaces, convenient to hold rats and mice
Data may be easily ported to the memory stick or directly to computer.
 
The Ugo Basile Dynamic Plantar Aesthesiometer 37450 is the quickest and most accurate way of delivering a mechanical stimulation and measuring a response, all automatically!
 
Corresponding parameter set not found, please add it in property template of background
  • The force is automatically applied
  • The user only has to press a button 
  • Force threshold and ramp can be preset 
  • Consistency in force application, rate and direction
  • The test is quicker and less tedious than VF hairs
  • More parameters to fit with virtually any experimental need 

Durham Holders for Orofacial Stimulation

  • F.G. Garrett, P.L. Durham et alia: “Validation of a Novel Rat-Holding Device for studying heat- and mechanical-Evoked Trigemi­nal Nocifensive Behavioral Responses” J. Orofacial Pain, 26 (4): 336- 344, 2012 
  • F.G. Garrett, P.L. Durham et alia: “Development of a novel device for measuring withdrawal latency by thermal stimulation in rodent facial pain models using the Hargreaves Plantar Apparatus” Poster presented at SFN 2010

Chronic Constriction of the Sciatic Nerve and Pain Hypersensitivity Testing in Rats

37450 jove

JoVE 33933/13/2012

Paul J. Austin, Ann Wu, Gila Moalem-Taylor, School of Medical Sciences, University of New South Wales 

Due to the simplicity of surgery and the robust behavioural outcome, chronic constriction of the sciatic nerve is one of the pre-eminent animal models of neuropathic pain. Within 24 hrs following surgery, pain hypersensitivity is established and can be quantitatively measured using a von Frey aesthesiometer (mechanical test) and plantar analgesia meter (thermal test). 

暂未实现,敬请期待
暂未实现,敬请期待
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