Background: a brief history of bone screw design
Principles of screw threads
Limitations of conventional buttress screws
The hypothesis
Presumptive advantages of the new fastener design
Clinical pilot series
“The SMV Scientific 3.5mm and 4.0mm Bone Screws are intended for fixation of fractures, osteotomies and non-unions of the clavicle, scapula, olecranon, humerus, radius, ulna, pelvis, tibia, calcaneus, femur and fibula in adults and in both children (2–12 years) and adolescents (12–21 years) in which growth plates have fused or in which growth plates will not be crossed by screw fixation”.
Patient No. (Gender/Age) | AO fracture classification | Procedure performed | Follow-up | Surgical revision (time) |
---|---|---|---|---|
1 (M/27) | 44-B3.2 | ORIF ankle Fx | 1 year | Implant removal (8 months) |
2 (M/41) | 44-B2.1 | ORIF ankle Fx | 1 year | None |
3 (M/68) | 61-B2.2 | ORIF pelvic Fx | 1 year | None |
4 (F/39) | 44-C2.3 | ORIF ankle Fx | 1 year | None |
5 (M/24) | 44-B3.1 | ORIF ankle Fx | 1 year | None |
6 (F/24) | 44-C2.3 | ORIF ankle Fx | 15 months | Implant removal (15 months) |
7 (F/53) | 11-B2.1 | ORIF humerus Fx | 1 year | None |
8 (M/45) | 44-C2.3 | ORIF ankle Fx | 1 year | None |
9 (M/60) | 10-B3.3 | AC reconstruction | 1 year | Implant removal (5 months) |
10 (M/23) | 15-B2.3 | ORIF clavicle Fx | 1 year | None |
11 (F/35) | 44-A3.3 | ORIF ankle Fx | 1 year | None |
12 (M/24) | 44-B2.1 | ORIF ankle Fx | 1 year | None |
13 (F/33) | 44-B3.3 | ORIF ankle Fx | 1 year | Implant removal (9 months) |
14 (M/23) | 44-B2.3 | ORIF ankle Fx | 1 year | None |
15 (M/50) | 23-C2.1 | ORIF distal radius Fx | 1 year | Implant removal (12 months) |
16 (F/65) | 44-B2.1 | ORIF ankle Fx | 1 year | None |
17 (F/61) | 44-B2.1 | ORIF ankle Fx | 1 year | None |
18 (F/44) | 44-B3.1 | ORIF ankle Fx | 1 year | None |
19 (F/27) | 44-C2.3 | ORIF ankle Fx | 1 year | None |
20 (F/77) | 44-B2.1 | ORIF ankle Fx | 1 year | None |
21 (F/58) | 44-B2.1 | ORIF ankle Fx | 9 months | None |
22 (F/62) | 44-B2.2 | ORIF ankle Fx | 9 months | Implant removal (8 months) |
23 (M/25) | 43-C3.2 | ORIF tibial pilon Fx | 6 months | None |
24 (M/53) | 44-B3.3 | ORIF ankle Fx | 6 months | None |
25 (F/68) | 44-B3.2 | ORIF ankle Fx | 6 months | None |
26 (M/32) | 44-B3.1 | ORIF ankle Fx | 3 months | None |
27 (F/18) | 44-B3.2 | ORIF ankle Fx | 3 months | None |
28 (F/68) | 44-B3.3 | ORIF ankle Fx | 3 months | None |
29 (M/29) | 43-B3.2 | ORIF tibial pilon Fx | 3 months | None |