1. Invaginated axial saphenectomy by a semirigid stripper: Perforate-invaginate stripping 
Gabriel Goren, MD, Albert E. Yellin, MD 
Journal of Vascular Surgery 
Volume 20, Issue 6, Pages (December 1994)
DOI: / (94)
Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

2. Fig. 1
PIN stripper. Minuscule head is followed by flattened "neck." Small groove indicates position of the pointed tip meant to perforate vein.
Journal of Vascular Surgery  , DOI: ( / (94) )
Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

3. Fig. 2 Retrograde passage of PIN stripper.
Journal of Vascular Surgery  , DOI: ( / (94) )
Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

4. Fig. 3 Perforation of vein wall with distal bent tip of PIN stripper.
Journal of Vascular Surgery  , DOI: ( / (94) )
Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

5. Fig. 4
Perforation of vein and skin is facilitated by clamp grasping flattened neck of PIN stripper.
Journal of Vascular Surgery  , DOI: ( / (94) )
Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

6. Fig. 5
Specific technique of attaching vein to PIN stripper: tie around stripper head and floating knot are pulled inside of vein trunk.
Journal of Vascular Surgery  , DOI: ( / (94) )
Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

7. Fig. 6
Specific technique of attaching vein to PIN stripper: after transfixtion through opposing vein walls suture, anchoring minuscule stripper head, is tied into firm knot.
Journal of Vascular Surgery  , DOI: ( / (94) )
Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

8. Fig. 7
Beginning of invagination is facilitated by two holding forceps.
Journal of Vascular Surgery  , DOI: ( / (94) )
Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions

9. Fig. 8 Completion of invagination
Journal of Vascular Surgery  , DOI: ( / (94) )
Copyright © 1994 Society for Vascular Surgery and International Society for Cardiovascular Surgery, North American Chapter Terms and Conditions