Fig. 1From: Surgical vacuum filter-derived stromal cells are superior in proliferation to human bone marrow aspirateTissue harvest during surgery. a Mixture of different liquid tissue components (arrow) released during implantation of a cementless titanium hip stem before aspiration by the surgical vacuum sucker. b Surgical vacuum filter handle: empty and with a vacuum filter clot (VF) (arrow). c Cell saver filtrate reservoir (SR): empty and with collected liquid (arrow). d Femur head before the removal of cancellous bone (CB) (arrow)Back to article page