Hand-held instruments that access interior body regions

Details Hand-held instruments that access interior body regions Hand-held instruments that access interior body regions

A - Human Necessities

61

B

A61B 17/34 (2006.01) A61B 17/00 (2006.01)

Patent

CA 2387914

A composite instrument (10) is provided comprising a first functional instrument (20) and a second functional instrument (40) when the first functional instrument (20) is coupled with the second functional instrument (40). A composite handle (12) for the composite instrument is provided comprising a first handle (22) and a second handle (42) when the first handle (22) is coupled with the second handle (42). The handle (12) makes possible the reliable transmission, with increased mechanical advantage, of both torsional and longitudinal loads by the physician to the composite instrument, while resisting relative rotation between the first and second instruments (20, 40). The instrument is sterilization sensitive, changing physical appearance after sterilization.

L'invention se rapporte à un instrument composite (10) comportant un premier instrument fonctionnel (20) et un second instrument fonctionnel (40), ledit premier instrument fonctionnel (20) étant conçu pour être couplé au second instrument fonctionnel (40). Un manche composite (12) dudit instrument composite comporte un premier manche (22) et un second manche (42), ledit premier manche (22) étant conçu pour être couplé au second manche (42). Le manche (12) rend possible une transmission fiable des efforts de torsion et des efforts longitudinaux exercés par le praticien à l'instrument composite, ce qui présente un avantage mécanique accru, alors qu'il permet de résister à la rotation relative entre le premier et le second instrument (20, 40). Cet instrument réagit à la stérilisation et présente une apparence physique modifiée après la stérilisation.

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