A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/28 (2006.01) A61B 17/00 (2006.01)
Patent
CA 2282356
The present invention relates to a surgical device (1) comprising: an elongate, flexible and tubular arm (3) having a distal end and a proximal end; a flexible pulling means (6) which is arranged inside the arm (3); a tool (4) which is arranged at the distal end of the arm (3) and which comprises at least two parts (11, 12), which are operable by said pulling means (6); and an operating means (15) which is arranged at the proximal end of the arm to operate said pulling means (6) and, thus, said tool (4). The invention is characterised in that said arm (3) is made of a material, which resumes its shape by heating and which has a transformation temperature which allows the arm (3) to be deformable to the desired shape at room temperature and to keep the thus obtained shape at a patient's body temperature during use of the device (1), so as then to allow resumption of its original shape when exposed to a temperature exceeding the body temperature.
L'invention porte sur un instrument de chirurgie (1) comportant: un bras tubulaire flexible allongé (3) présentant une extrémité distale et une extrémité proximale; un moyen flexible de traction (6) placé à l'intérieur du bras (3); un outil monté à l'extrémité distale du bras (3) et qui comprend au moins deux parties (11, 12) commandées par le moyen de traction (6); et un moyen de commande (15) placé à l'extrémité proximale du bras et actionnant le moyen de traction (6) et donc l'outil (4). L'invention se caractérise en ce que le bras (3) est fait d'un matériau qui reprend sa forme à la chaleur et dont la température de transformation permet au bras de se déformer pour prendre la forme voulue à la température ambiante et de conserver la forme ainsi obtenue à la température du patient pendant l'utilisation de l'outil (1), pour reprendre sa forme originale lorsqu'on le soumet à une température dépassant celle du corps.
Gustafsson Sven
Dicamed Ab
Gustafsson Sven
Sim & Mcburney
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