SURGICAL CONTRA-ANGLE DRILLING DEVICE FOR CUTTING BONE PREVENTING INJURIES TO SOFT TISSUES
A surgical drilling device comprising a handpiece head (15) for surgical bone cutting, preventing injuries of soft tissues; the head is operable by a handpiece body and by an electric motor, and comprises a reciprocating element (2) inside which a surgical drill (1) can be inserted. An alternate par...
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Main Authors | , , |
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Format | Patent |
Language | English French German |
Published |
22.08.2018
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Subjects | |
Online Access | Get full text |
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Abstract | A surgical drilling device comprising a handpiece head (15) for surgical bone cutting, preventing injuries of soft tissues; the head is operable by a handpiece body and by an electric motor, and comprises a reciprocating element (2) inside which a surgical drill (1) can be inserted. An alternate partial rotation is applied to the drill (1) instead of the traditional 360° continuous rotation, either through actuation of an electronic motor, or through mechanical coupling. The reciprocating element (2) is supported and stabilized by at least two bearings (8,9) mounted respectively on the upper cylindrical hub (5) and on the lower cylindrical hub (6). A coupling system is further provided for locking the drill (1) axially, as well as in rotation with respect to the hub (5). This coupling system preferably comprises an anti-rotation flattening (7), located in the interior of the upper hub (5), and that is coupled to a corresponding notch (3) of the drill (1), in order to prevent any rotation of the shaft (1) with respect to the reciprocating element (2); the length (L) of the flattening (7) is preferably comprised between 2 mm and 4 mm. A differential mechanism may be responsible for transforming the rotary motion of the electric motor into the alternate rotation of the reciprocating element (2), when the electric motor is not actuated directly into reciprocal rotational movements; the amplitude of said alternate rotation is between 0° and 120 °. |
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AbstractList | A surgical drilling device comprising a handpiece head (15) for surgical bone cutting, preventing injuries of soft tissues; the head is operable by a handpiece body and by an electric motor, and comprises a reciprocating element (2) inside which a surgical drill (1) can be inserted. An alternate partial rotation is applied to the drill (1) instead of the traditional 360° continuous rotation, either through actuation of an electronic motor, or through mechanical coupling. The reciprocating element (2) is supported and stabilized by at least two bearings (8,9) mounted respectively on the upper cylindrical hub (5) and on the lower cylindrical hub (6). A coupling system is further provided for locking the drill (1) axially, as well as in rotation with respect to the hub (5). This coupling system preferably comprises an anti-rotation flattening (7), located in the interior of the upper hub (5), and that is coupled to a corresponding notch (3) of the drill (1), in order to prevent any rotation of the shaft (1) with respect to the reciprocating element (2); the length (L) of the flattening (7) is preferably comprised between 2 mm and 4 mm. A differential mechanism may be responsible for transforming the rotary motion of the electric motor into the alternate rotation of the reciprocating element (2), when the electric motor is not actuated directly into reciprocal rotational movements; the amplitude of said alternate rotation is between 0° and 120 °. |
Author | BESIO, Stefano SARCHI, Davide MARCHIANI, Andrea |
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Discipline | Medicine Chemistry Sciences Dentistry |
DocumentTitleAlternate | DISPOSITIF DE PERÇAGE CHIRURGICAL À CONTRE-ANGLE POUR LA DÉCOUPE D'UN OS, EMPÊCHANT DES LÉSIONS DANS LES TISSUS MOUS CHIRURGISCHE GEGENWINKELBOHRVORRICHTUNG ZUM SCHNEIDEN VON KNOCHEN ZUR VERHINDERUNG VON WEICHGEWEBEVERLETZUNGEN |
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Notes | Application Number: EP20160779149 |
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RelatedCompanies | Bien-Air Holding SA |
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Snippet | A surgical drilling device comprising a handpiece head (15) for surgical bone cutting, preventing injuries of soft tissues; the head is operable by a handpiece... |
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SubjectTerms | APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE DENTISTRY DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY |
Title | SURGICAL CONTRA-ANGLE DRILLING DEVICE FOR CUTTING BONE PREVENTING INJURIES TO SOFT TISSUES |
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