Patent
   D397437
Priority
Jun 15 1993
Filed
Aug 23 1993
Issued
Aug 25 1998
Expiry
Aug 25 2012
Assg.orig
Entity
unknown
7
22
n/a
The ornamental designs for a bone milling burr shaft, as shown and described.

FIG. 1 is a perspective view of a burr shaft showing our new design;

FIG. 2 is a right side elevational view thereof, the left side being a mirror image thereof;

FIG. 3 is a front elevational view thereof, the back being a mirror image thereof;

FIG. 4 is a bottom elevational view thereof;

FIG. 5 is a top elevational view thereof; and

FIG. 6 is a sectional view taken along line 6--6 of FIG. 3;

FIG. 7 is a perspective view of a burr shaft showing a second embodiment of our new design;

FIG. 8 is a right side elevational view thereof, the left side being a mirror image thereof;

FIG. 9 is a front elevational view thereof, the back side being a mirror image thereof;

FIG. 10 is a bottom elevational view thereof;

FIG. 11 is a top elevational view thereof; and

FIG. 12 is a sectional view taken along line 12--12 of FIG. 9;

FIG. 13 is a perspective view of a burr shaft showing a third embodiment of our new design;

FIG. 14 is a right side elevational view thereof, the left side being a mirror image thereof;

FIG. 15 is a front elevational view thereof, the back side being a mirror image thereof;

FIG. 16 is a bottom elevational view thereof;

FIG. 17 is a top elevational view thereof; and

FIG. 18 is a sectional view taken along line 18--18 of FIG. 15;

FIG. 19 is a perspective view of a burr shaft showing a fourth embodiment of our new design;

FIG. 20 is a right side elevational view thereof, the left side being a mirror image thereof;

FIG. 21 is a front elevational view thereof, the back side being a mirror image thereof;

FIG. 22 is a bottom elevational view thereof;

FIG. 23 is a top elevational view thereof; and,

FIG. 24 is a sectional view taken along line 24--24 of FIG. 21.

A burr head is shown in broken lines in FIG. 1-5, 7-11, 13-17, and 19-24 to illustrate the environment of the invention but does not constitute a part of the invention.

Hlavicska, Imre

Patent Priority Assignee Title
D737973, Apr 03 2014 KARL STORZ SE & CO KG Trocar sleeve
D773664, Mar 26 2014 BIOTE HOLDINGS, LLC Trocar
D791322, Mar 26 2014 BIOTE HOLDINGS, LLC Trocar
D800307, Feb 25 2016 BIOTE HOLDINGS, LLC Trocar
D927552, Nov 14 2018 Motor shaft
ER3069,
ER7633,
Patent Priority Assignee Title
4067403, Aug 12 1976 Stryker Corporation Wire driver handpiece
4204692, May 02 1978 HOFFMAN, SIMON J , JR ; TETER HOFFMAN, MARY LYNN Blade holder for saber saw
4285129, Aug 01 1979 HOFFMAN, SIMON J , JR ; TETER HOFFMAN, MARY LYNN Holder for saber saw blade
4298074, Aug 09 1976 MICROAIRE SURGICAL INSTRUMENTS, INC A DELAWARE CORPORATION Surgical device using impulse motor
4299402, May 02 1978 HOFFMAN, SIMON J , JR ; TETER HOFFMAN, MARY LYNN Blade holder for saber saw
4319577, Apr 21 1979 Aesculap-Werke Aktiengesellschaft Skull trepanation drill
4510816, Dec 31 1981 American Sterilizer Company Apparatus for changing the direction of rotation of a rotating shaft
4634419, Dec 13 1985 Sherwood Services AG Angulated ultrasonic surgical handpieces and method for their production
4705038, Jan 23 1985 Smith & Nephew, Inc Surgical system for powered instruments
4782833, Feb 19 1987 EINHORN, THOMAS A ; VALENTI, ANDREW Bone boring instrument
4830000, Dec 31 1987 ZIMMER TECHNOLOGY, INC Surgical drill
5074788, Feb 20 1990 NAKANISHI, INC Device for preventing intrusion of foreign matter into dental handpiece
5112299, Oct 25 1989 Linvatec Corporation Arthroscopic surgical apparatus and method
5222956, Jul 06 1992 Altair Instruments, Inc. Surgical drill collet mechanism and bur
5304191, Feb 12 1993 MIDAS REX, L P Surgical instrument with rotatable indexing footed attachment
D307472, Apr 22 1987 Astra Tech Aktiebolag Drill-mountable tool for the installation and removal of threaded dental prosthetic elements
D342313, Jun 11 1991 Biomet Manufacturing Corp Ultrasonic cutting osteotome
D344799, Jun 11 1991 Biomet Manufacturing Corp Ultrasonic cutting tool for medical use
D344801, Jun 11 1991 Biomet Manufacturing Corp Ultrasonic cutting tool for medical use
D345794, Jun 11 1991 Biomet Manufacturing Corp An ultrasonic cutting tool for medical use
D346024, Jun 11 1991 Biomet Manufacturing Corp Ultrasonic cutting tool for medical use
GB2195274,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 23 1993Hall Surgical(assignment on the face of the patent)
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