Abstract
Optimization of the Parameters of an Intra - Tendinous Barb Suture for Finger Flexor Tendon Repair in Zone I
Highlights
Finger flexor tendon repair is still one of the most challenging surgeries for a hand surgeon
The aim of our research is to define the anatomical properties of the digital flexor system in order to set the ideal shape and dimensions for a barb wire, that can be used for the digital flexor tendon repair
The different measurements of the cross-sectional diameters – radioulnar (a) and dorsovolar (b) - of the Flexor Digitorum Profondus (FDP) tendon of the different fingers have demonstrated that the mean ratio a/b is usually 1.5
Summary
Finger flexor tendon repair is still one of the most challenging surgeries for a hand surgeon This is true when the rupture of the flexor tendon is localized to the zone II, known as “The No Man’s Land”, that Bunnell described in 1918 [1,2]. This zone ranges from the insertion of the Flexor Digitorum Superficialis (FDS) distally to the palmar crease proximally. The flexor digital tube is formed by the succession of five annular pulleys “A1 through A5” separated by three cruciform pulleys “C1 through C3” The name of these pulleys can be traced back to their anatomical structure and to the orientation of the collagen bundles [3,4]. A ring shape for the annular pulley and a cross shape for the cruciform ones (Figure 1a & 1b)
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