If you are travelling in a group, it is worth to check out the guide "Accessible group accommodations in Flanders and Brussels" by Visit Brussels. All new guide (2018) prepared with care and lots of useful information for you and your tribe!
Thuiszorgwinkel is an organization that provides mobility aids and special medical aids for different types of needs. Their shop in Bruges also rents mobility aids and the staff speaks French and English. Their website is only in Flemish so we advise you call the store to ask for your specific requests.
Well located in the centre, the hotel has 3 accessible rooms with adapted toilet (roll-in shower with seat and rails, one with a rolling shower chair). Restaurant, lounge bar, japanese garden, sauna, Turkish bath and jacuzzi are also available but not adapted.
Lovely youth hostel right in the centre of town, with 13 accessible rooms for a total of 28 accessible beds. Adapted bathrooms with roll-in shower with seat and brackets. Facilities for people with asthma and allergies, visual contrasts, Braille and auditory signals in the elevators. Make sure to ask for the accessible rooms when booking.