[ Air mattresses for medical purposes; beds for medical purposes, namely, water bed and/or therapeutic beds for medical purposes; pumps for medical purposes, namely, for use in connection with mattresses, bed cushions and garments with massage function for the prevention and treatment of deep vein thrombosis; therapeutic cushions for medical purposes; ] apparatus for use in the treatment of vascular conditions, namely, a blood pretreatment apparatus in the nature of a deep vein thrombosis gua...