# Ambulatory Surgery Unit, Meilahti Tower Hospital Keywords: - [Meilahti Tower Hospital](< /en/search?q=Meilahti Tower Hospital >) - [gastroenterology](< /en/search?q=gastroenterology >) - [vascular surgery](< /en/search?q=vascular surgery >) - ... Show all keywords - [urology](< /en/search?q=urology >) - [ambulatory surgery](< /en/search?q=ambulatory surgery >) - [cardiac surgery](< /en/search?q=cardiac surgery >) We treat patients in the Ambulatory Surgery Unit on the 3^rd floor of Meilahti Tower Hospital. ### You can use Maisa to register for an appointment At Meilahti Tower Hospital, you can also use Maisa to register for your appointment or use a self-registration kiosk. [ See instructions ](/en/patient/hospitals-and-other-units/meilahti-tower-hospital/arriving-meilahti-tower-hospital#info-and-registration) Our unit operates under the HUS Abdominal Center's Joint Ward M13, where we treat patients arriving based on referrals from various specialties, such as gastroenterology, cardiac surgery, thoracic surgery, vascular surgery, and urology. You can prepare for the procedure at home according to the instructions we have provided you in advance. Please arrive at the unit at the agreed time. After preparations for the procedure, you will wait to be taken for your examination or procedure. We will monitor your condition before and after the procedure. After the monitoring period, you will either be discharged or transferred to an inpatient ward. ​Please note that after the procedure or examination, you may not be able to drive. The referenced media source is missing and needs to be re-embedded. Two or three nurses at a time work in our unit and we have ten patient beds. A nurse will admit you, take care of your medication, prepare you for the procedure, and will also monitor you after the procedure. In addition, our nurses will instruct you on how to independently carry out treatment measures. We work in close cooperation with other units, such as the endoscopy unit and X-ray unit. You will come to the day unit through the referral center, on the basis of an appointment at the outpatient clinic. From our unit, you will be transferred to an inpatient ward for further treatment. ## [ Maisa Portal (opens in new window, links to another website) ](https://www.maisa.fi/maisa/Authentication/Login?lang=britishenglish) MAISA.FI You can use our online services by signing in to the Maisa Portal. Once your treatment with us begins, you will receive information on the services you can access in Maisa. These include appointment booking and preliminary information forms, for example. Click here to go to Maisa’s sign-in page  ## [ Patient Guide ](/en/patient/patient-guide) The Patient Guide site answer the most common questions you might have before, during, and after treatment. See Patient Guide site here  ## Contact information and opening hours #### Visiting address Meilahti Tower Hospital Haartmaninkatu 4 Helsinki 3rd floor #### Postal address 340 00290 Helsinki ### Advice and cancellations [ Phone, Advice and cancellations: 09 471 73821 ]() ### Inquiries concerning patients being treated in the unit [ Phone, Inquiries concerning patients being treated in the unit: 09 471 74380 ]()telephone hours: Mon–Fri 7:30–15:00 ## Find us here ### [ Meilahti Tower Hospital ](/en/patient/hospitals-and-other-units/meilahti-tower-hospital)  Updated: 06.05.2025 Print this page