MonoMax Suture: A New Long-Term Absorbable Monofilament Suture Made from Poly-4-Hydroxybutyrate

Figure 5

SEM photomicrograph showing the surface of a P4HB monofilament fibers: (a) P4HB fiber size 1 before incubation in 2 M HCl, (b) after incubation in 2 M HCl for 7 d, (c) and (d) P4HB monofilament size 3–0 after being implanted subcutaneously in rabbits for 12 weeks.

(a) P4HB fiber 𝑡=0 d

(b) P4HB fiber 𝑡=7 d

(c) P4HB fiber 12 weeks p.op.

(d) P4HB fiber 12 weeks p.op.