Proton Therapy Center Switzerland AG (PTCS)
Wilenstrasse 5 / P.O. Box 173
CH - 8832 Wollerau SZ

Phone +41 79 420 34 53 (Martin Bertschinger)

Register number CHE-114.413.946

General information

The web pages at (PTCSWeb) contain official pages produced by the PTCS Directorate. PTCSWeb also includes web pages independently produced and updated by individual PTCS departments and their staff. The statements made by one or more authors/creators of such pages are not binding, and do not necessarily represent the views of PTCS.
Please note our contact page.
PTCS wants its website to be user-friendly. We welcome your feedback. Please send your suggestions either to the ( or to the author or creator named at the bottom of the relevant page.
PTCS'web content is subject to change without warning.
PTCS will investigate any evidence of potential violations of law, instructions, directives or third-parties rights caused by content on PTCS pages, and will instigate measures as necessary.

References and links

Any references to products, services or organisations outside PTCS and any links to the websites of other parties lie beyond the scope of PTCS's responsibility. PTCS does not have any influence on the form or content of offers or websites made available by third parties, and rejects any responsibility for them. Any reliance on references and any access or use of links to third-party websites is entirely at the risk of the user.


Copyright and other such rights to all the text, photographs and images or other data and files on PTCS pages in PTCSWeb belong exclusively to PTCS or to the specifically-named owners of such rights. Unless explicitly indicated otherwise, such elements may only be used for private purposes. Any reproduction or other use of such elements for alternative (particularly commercial) purposes is only permitted with the written permission in advance of the relevant owner of the right. Please contact the Communications Department ( for information about the use of texts, photographs and images, or other data or files.

Data protection

No personal information is stored when PTCS pages are accessed. The PTCSWeb server only collects non-personal information relating to the use of PTCSWeb. This information is only analysed for statistical purposes, so that we can improve our website content. PTCS takes strict care to ensure that this type of information does not come into contact with personal data. Any contact details or other personal information voluntarily entered by you into PTCSWeb pages will only be used within the parameters of the specific purpose for which they have been entered. You can demand that such personal information is deleted at any time. PTCS expressly declares that this information will not be linked to non-personal usage data or passed on to any third parties, and uses all the means at its disposal in its endeavours to protect the compiled information against any misuse or access by third parties.


PTCS makes every endeavour to keep the content on the PTCS pages in PTCSWeb correct and up-to-date at all times. However, PTCS does not guarantee or accept any liability for the topicality, the correctness, the precision and reliability, or the completeness of the content and information on the PTCS web pages. This exclusion of liability relates to any claims of a tangible nature caused by access to or use of PTCSWeb, any misuse of links and any technical malfunctions.