Products of the Chinese company
Weihai  Medison

Established in 2003, the company Weihai Medison specialises in furthering development of medical devices that, in their original form, are the subject of expired or otherwise lapsed intellectual property rights. In the realm of circumcision, the company currently produces separate devices for adult and child circumcision, illustrated below:
Photo: Medison adult circumcision device

Manufacturer’s artwork illustrating
their adult circumcision device
Photo: Medison child circumcision device

Manufacturer’s artwork illustrating
their child circumcision device

Both Medison devices rely on elasticated thread to achieve strangulation of the foreskin. This thread is made of hypoallergenic material and specially imported, we are informed by the manufacturer, from Japan. Available sizes are 20, 22, 24, 26, 28 and 30mm diameter (adult device) and 11, 12, 13, 14, 15 and 18mm diameter (child device).

Both designs are sterilised to internationally accepted standards by the EO (Ethylene Oxide) process.


Manufacturer:  Weihai Medison Medical Devices Co., Ltd., 114 Jinxianding Road, Weihai, Shandong 264200, People’s Republic of China.

Manufacturer’s website:

Known use
Chinese flag (669 bytes)

We are informed that both designs are also in use in sub-Saharan Africa. Further details are wanted.

The following resources were used in the preparation of this web page:
South Korea flag KIPRIS logo Korean Intellectual Property Rights Information Service record for Korean Patent number 0031669 (Expired).
USA flag (316 bytes) Free Patents Online logo (1687 bytes) record for US Patent number 3,056,407 (Expired).

Copyright © 1992 - 2015,  All Rights Reserved CIRCLIST.