Visiopor® PP 34 N

• What can be measured?

  Acne is a common disorder of the pilosebaceous follicles with the multifactorial pathogenesis. It typically begins in adolescence when androgen hormones stimulate the production of sebum and proliferation of follicular epidermis. The openings of hair follicules become clogged with oil secretion and corneocytes. In consequence initially invisible lesions (microcomedones) and then clinically evident comedones develop. Microcomedones and comedones are further colonized by P. acnes bacteria which promote inflamed acne lesions (papules and pustules) through the production of proinflammatory mediators, free fatty acids and porphyrins.

  

  The presence of porphyrines can be demonstrated by orange-red fluorescence in the follicle openings by examining the skin under appropriate UV-A light. The intensity of follicular fluorescence and the extent of facial involvement are proportional to the population density of P. acnes and porphyrin content at the skin surface. Clinical improvement after therapy is accompanied by significant reduction of the porphyrin concentration and the number of P. acnes, respectively.

  

  

  

• Advantages of the Visiopor®

  • The Visopor® is USB based and can be connected directly to a computer.
  • Non-invasive, easy to use and economic.
  • It comes with an easy to handle evaluation software (distinguishing  the reddish-orange porphyrine bacteria from other yellowish-greenish fluorescence in quantity, size and intensity).
  • The colour thresholds to distinguish between porphyrines and other fluorescents can be set manually by the user.
  • All results for the porphyrines and the other fluorescents can be can be exported into Excel® spreadsheets for statistical evaluation.
  • The camera is also suitable for porphyrine detection on the scalp.
  • The Visiopor® can also be used with  Corneofix® skin strippings.
  • Interesting literature has been published with the device.

  

  

  

• Fields of Application

  There are numerous applications in cosmetology and dermatological research especially in the field of acne.

   

  • Efficacy testing of anti-bacterial products, cleansers and drugs against P. acnes.
  • Monitoring the course of dermatological treatments.
  • Determination of the comedogenic and comedolytic activity of topically applied products.

  

• Technical Data

  Dimensions: 12 x 5.5 x 5.5 cm, Weight: 220 g,  Cable length: 1.5 m, Port: USB, Power supply: 5 V DC via computer,  UV-light source: 16 UVA- LEDs, 375...385 nm,  Image size: 10 x 8 mm, Resolution: 1280 x 1024 pixel, Camera button freezes the image

   

  Computer: Windows® Vista or 7/8/10, performance must meet system requirements, USB 2.0

   

  Technical changes may be made without prior notice.