The Hansson Twin Hook is adequate for fixation of trochanteric fractures: 2 fixation failures in a series of 157 prospectively followed patients

Figures & data

Figure 1. The Hansson Twin Hook (HTH) before and after the protrusion of the hooks.

Figure 2. The recommended and required position of the HTH is central in both the anterior- posterior and lateral views of the femoral head, and close to the subchondral bone

Figure 3. An intraoperative technical error with one of the hooks placed through the subchondral bone of the femoral head. The cause is usually a non-anatomical reduction of the fracture with sagging, which makes correct placement of the HTH more difficult.

Background parameters in the 157 patients

	Helsingborg	Malmö
No. of patients	68	89
Male:female ratio	17:51	23:66
Mean age in years	84	82
Age range	58–98	43–97
Fracture type (Jensen-Michaelsen classification)
I	4	6
II	6	11
III	12	30
IV	7	4
V	39	38