Importance

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Abstract

The surgical instrument comprises a handle (10), which bears a blade (20) having a scraping edge (21), and a collection chamber (R) of shaved material. In the invention, the collection chamber (R) exhibits a mouth (S) for communication with an external environment, located in proximity of the scraping edge (21), for inlet of the shaved material. The mouth (S) is normally closed in order to prevent passage of material contained in the collection chamber (R). At least a portion (11a) of the instrument is elastically deformable in order for the communication mouth (S) to be opened during a scraping operation by the scraping edge (21). In particular a wall (30) is exhibited, which, together with the handle (10) delimits the collection chamber (R); the wall (30) having an end portion (31) in proximity of the blade (20), which end portion (31) is separate and not constrained to the handle (10), the communication mouth (S) being located at a front end of the end portion (31). A portion (11a) of the handle is, at least in part, elastically deformable in order to distance the end portion (31) of the wall (30) from the handle (10) when the instrument is pressed, with the blade (20), against a bone, and to near the handle (10) when the instrument is not subject to mechanical solicitation.

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First Claim