At Jes-Extender, our team of medical professionals constantly improve and innovate the device design to provide you with the fastest and biggest gains achievable from any extender on the market.
The results you will experience speak for themselves, but you can rest assured your investment in your Jes-Extender is a wise one with so much credibility and backing from medical professionals.
Click here to order your clinically proven penis enlargement device today
Dr Jorn Ege Siana, MD has been an internationally renowned expert in the field of surgical and non-surgical penis enlargement since 1993.
A certified specialist in general and plastic surgery, in Germany, Denmark and Sweden, Dr Siana has enjoyed international recognition in this field through his development of the original Jes-Extender.
Medical Doctor (MD) - June 1983, School of Medicine, University of Copenhagen
Member of American Society of Plastic & Reconstructive Surgery
A.S.P.R.S. Resident in Plastic Surgery at Mount Sinai Hospital,University of New York, New York University Hospital
Founding member of International Association of Male Sexual Surgery, I.A.M.S.S.
Dr Jorn Ege Siana, MD, of Scandinavian Clinic of Plastic Surgery, presented the results of his clinical study at the 1st International Interdisciplinary Symposium on Genitourinary Reconstructive Surgery held in Barcelona April 6th, 7th 8th, 1998.
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Patient Profile - 18 subjects from 23 to 47 years old |
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Penis Profiles - Average penis size with no past penile surgery. |
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Traction - First 2 Weeks: 900-1000g Weeks 2-24: 1000-1200g |
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Length id time in use - 12 hours daily 7 days a week 8 to 24 weeks |
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The graph below shows the average results experienced by the patients following the clinical study:

On average patients increased their penis size by around 30% in both length and girth, although increases as much as 44% have been reported by users of the Jes-Extender exclusively.
Unlike other extender companies, we publish our medical journals and clinical data results because the are real. Participants in the Jes-Extender clinical trial had the following results:
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Average increase in erect length of 2.8cm |
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Flaccid length increase was 1.9cm on average |
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Increase in thickness |
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Permanent penis size Increase |
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Men with a curve to the penis (peyronie's disease) during the trials experienced a straightening of their shaft after using the Jes-Extender.
Curvatures can cause painful erections, uncomfortable sex and for every degree of curve, penis length is lost.
So if you suffer from penis curvature, the Jes-Extender will both straighten and and lengthen your penis.
A penis enlargement traction device is now widely accepted to be the only effective non surgical method of increasing your penis size. Invented in 1995, to date the Jes-Extender has helped over 100,000 men increase their penis size, so you know you too can enjoy a having a bigger penis and increased confidence when you order your own Jes-Extender today.
World renowned doctors are increasingly recommending the use of the Jes-Extender over surgical options.
Penis enlargement surgery is not only expensive and extremely risky, but the majority of men who decide on this approach are not happy with the results.
Scarification, disfigurement and gains you can barely notice are all common outcomes of penis enlargement surgery, among other serious complications.
Do not be fooled by companies displaying fake credentials of so called "doctors" or claims of clinically proving their device works and is safe. If the credentials and details of their studies are not on the site, the chances are they do not exist.
With medical backing and credentials like this, it's little wonder we receive success stories from our customers practically every day.
Every day you delay ordering your Jes-Extender, means a longer wait for the penis size you desire. By ordering today, you will be your way to a longer thicker penis in no time. With our payment plans, you can achieve a bigger penis for as little as $59, or just under $2 per day.
Want to know more about the clinical proof we have that shows Jes-Extender will work for you? Call us today (you can even order over the phone!):
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0115 979 8439 - Available Mon-Fri. |
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1-800-480-3978 - Available Mon-Fri. |
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Alternatively, order securely online by clicking here
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