Surgical drill
First Claim
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1. A SURGICAL DRILL COMPRISING A HOLLOW CHUCKING MANDREL, A SLENDER DRILL FITTED IN SAID MANDREL AND HAVING ITS BIT END PROJECTING FROM SAID MANDREL, A HELICAL COIL SPRING SLIDABLY MOUNTED OVER AN EXPOSED PART OF SAID DRILL AND BEING OF DIAMETER TO SNUGLY FIT SAID DRILL, A TELESCOPIC SLEEVE COMPOSED OF AT LEAST TWO SECTIONS MOUNTED OVER SAID DRILL AND SPRING AND ATTACHED TO SAID MANDREL, MEANS TO PREVENT SAID SPRING FROM MOVING AXIALLY OUT OF SAID TELESCOPIC SLEEVE, SAID TELESCOPIC SLEEVE HAVING AN APERTURE THEREIN THROUGH WHICH THE DRILL IS ADAPTED TO BE PROJECTED AS THE SLEEVE IS TELESCOPED.
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1 Claim
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1. A SURGICAL DRILL COMPRISING A HOLLOW CHUCKING MANDREL, A SLENDER DRILL FITTED IN SAID MANDREL AND HAVING ITS BIT END PROJECTING FROM SAID MANDREL, A HELICAL COIL SPRING SLIDABLY MOUNTED OVER AN EXPOSED PART OF SAID DRILL AND BEING OF DIAMETER TO SNUGLY FIT SAID DRILL, A TELESCOPIC SLEEVE COMPOSED OF AT LEAST TWO SECTIONS MOUNTED OVER SAID DRILL AND SPRING AND ATTACHED TO SAID MANDREL, MEANS TO PREVENT SAID SPRING FROM MOVING AXIALLY OUT OF SAID TELESCOPIC SLEEVE, SAID TELESCOPIC SLEEVE HAVING AN APERTURE THEREIN THROUGH WHICH THE DRILL IS ADAPTED TO BE PROJECTED AS THE SLEEVE IS TELESCOPED.
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Current AssigneeMikelis Geistauts
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Original AssigneeMikelis Geistauts
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InventorsMIKELIS GEISTAUTS
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Application NumberUS04/154,580Time in Patent Office872 DaysField of SearchUS Class Current606/180CPC Class CodesA61B 17/1633 Sleeves, i.e. non-rotating ...A61B 2090/08021 of the patient or his organsY10T 408/56 Adapted to "form" recession...Y10T 408/5653 with means to bias Tool awa...
