InSafeLock humeral nail provides a safe application for proximal and distal locking screws with distal endopin – An anatomical study - 27/08/19
, İsmail Turkmen a, Haluk Celik a, Mehmet Akif Akcal b, Rahime Şekerci c, Nigar Keles c, Necdet Saglam a, Fuat Akpinar a
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Abstract |
Introduction |
Efforts to prevent iatrogenic neurovascular injuries with humeral intramedullary nailing lead to design new implants and inside to out distal locking technique using an endopin aims to provide a safer screw application. InSafeLock (TST, Istanbul, Turkey) humeral nail have been recently developed to minimize the possible screw related complications. The anatomical relationship between locking screws and neurovascular structures with the application time were compared between Trigen Humeral Nail (Smith and Nephew, Memphis, USA) and InSafeLock Humeral Nail.
Hypothesis |
InSafeLock humeral nail would be safer than Trigen Humeral nail in terms of neurovascular injury.
Materials and methods |
Seven cadavers were used with both shoulders and surgical application of two nails was performed as the manufacturer guide. An Insafelock humeral nail was used for each right humerus and a Trigen humeral nail was used for each left humerus. Once the nails were placed, proximal and distal region of the nails were dissected to evaluate the relationship between screws and adjacent anatomical structures. The duration of the each screw was assessed via a stopwatch.
Results |
No significant finding was noted for the relationship between the neurovascular structures and proximal screws in two groups (p<0.05). The distal locking of the InSafeLock humerus nail had a shorter application time and no neurovascular damage was recorded.
Discussion |
The newly developed Insafelock humerus nails are at least as safe and effective as current humeral nails available on the market. Additional benefits include the preservation of neurovascular structures, as the Insafelock humerus nail does not require the use of an extra incision. Furthermore, surgical time is significantly shorter with using distal endopin.
Level of study |
III, controlled laboratory study.
Il testo completo di questo articolo è disponibile in PDF.Keywords : Humerus diaphysis fracture, Intramedullary nail, Neurovascular damage
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Vol 105 - N° 5
P. 1005-1011 - settembre 2019 Ritorno al numero
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