| 摘要 |
<p>The invention is a new handpiece (A) with accessories for use in arthroscopy, with a spoon-shaped working tip on the inside tube fitted with a cutting edge to enable resection and/or shaving only laterally, with a female coupling (F), at the end where it is connected to a handpiece (A), comprising two radial grooves (F3) and two sloping walls (F4) forming a concave V shape for coupling with the shaft (Ga) of the motor (G) in the handpiece (A), which has a male coupling (M) comprising a round spindle with two round radial pins (M2) on either side. An encoder inside the handpiece identifies the position of the two outside and inside working tips.</p> |
