US3554192A - Medullary space drill - Google Patents
Medullary space drill Download PDFInfo
- Publication number
- US3554192A US3554192A US747000A US3554192DA US3554192A US 3554192 A US3554192 A US 3554192A US 747000 A US747000 A US 747000A US 3554192D A US3554192D A US 3554192DA US 3554192 A US3554192 A US 3554192A
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- US
- United States
- Prior art keywords
- drill
- adapter piece
- medullary space
- individual elements
- drill head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/164—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans intramedullary
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1613—Component parts
- A61B17/1615—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material
- A61B17/1617—Drill bits, i.e. rotating tools extending from a handpiece to contact the worked material with mobile or detachable parts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/65—Means to drive tool
- Y10T408/665—Universal or flexible drive connection to rotate Tool
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/892—Tool or Tool with support with work-engaging structure detachable from cutting edge
- Y10T408/8923—Removable central lead
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to a medullary space drill including a flexible shaft carrying at its opposite ends respectively a drill head, and an adapter piece adapted to be connected for rotation with a driving means. The shaft comprises a plurality of parallel flexible elements arranged to provide a central passage for receiving an elongated guide element.
Description
United States Patent Dietmar R. lsberner Inventor Gross-Nordsee, Germany Appl. No. 747.000 Filed July 23, 1968 Patented Jan. 12, 1971 Assignee Orthopedic Equipment Company, inc.
Bourbon, Ind. a corporation of Indiana Priority July 24, 1967 Germany No. 1,566,134
MEDULLARY SPACE DRILL 5 Claims, 2 Drawing Figs.
US. Cl 128/83, 128/303. l28/3l0: 77/ 5,77/21 Int. Cl A611 5/04 [50] Field of Search l28/83, 303, 303.14, 92E, 305, 310; 77/15, 58, 65, 20, 21,
[56] References Cited UNITED STATES PATENTS 2,747,384 5/1956 Beam 77/15X 2,905,178 9/1959 Hilzinger Ill 75/15X Primary Examiner-Adele M. Eager Assistant Examiner-J. Yasko Attorney-Cushman, Darby & Cushman' ABSTRACT: The invention relates to a medullary space drill including a flexible shaft carrying at its opposite ends respectively a drill head, and an adapter piece adapted to be connected for rotation with a driving means. The shaft comprises a plurality of parallel flexible elements arranged to provide a central passage for receiving an elongated guide element.
PATEmenJmzmu 'IIIIF .l ill FIG. 1
mvsmoa Jaw/4e K136594496 l I. v Manu LAnY sPA'cE DRILL {DISCLOSURE .f
Medullary space drills this type are used for boring or widening the medullary space. of bones. in preparation of the insertion of a medullary peg. The medullary canal in the bone in general does not extend along a straight line, and insertion I of the medullary space drill frequently can be effected only at a certain angle relative to the actual direction of the drilling operation. For this reason medullary space drills used for widening the medullary canal of bonesare provided with a flexible shaft which enables-the drill head,- when penetrating into the medullary canal of the bone,"to follow the extension of the medullary canal, and which furthermore allows displacement of the driving means fotthe drill under a certain between the-separate windings of the beliefs, between the helics, and within theshaft, and cannot be removed completely. As the medullary space drills are rendered sterile or autoclaved before every drilling operation, these residues are rendered sterile too; however, examinations of infections have shown that such residues nevertheless may be the cause for infections after operation.
Another disadvantage of the prior medullary space drills consists in that atwisting angle is formed between the drill head and the adapter piece for rotational'connection with a drive shaft, which angle may be as great'a's 20, and exhibits unfavorable effects in the course of the actual working opera- ,tion. Due to the elasticity of their shafts such prior drills therefore tend to chatter, and this disturbs the operation. Thus, it is an object of the invention to provide an improved medullary space drill havinga sufficiently flexible shaft, which may easily and completely be cleaned, which has substantial torsional rigidity, and which provides for smooth and uniform drilling operation even under maximum load.
According to the invention, these objects are solved by forming the shaft from a plurality of 7 parallel, flexible individual elements.
Furthermore, advantageous embodiments of the subject matter of the invention consist in that the individual elements are disposed in an annularassembly', that such elements have circular cross section and that they may be welded or soldered adapter piece for rotational connecto the drill head and the tion to a drive shaft.
The invention is hereafter explained in greater detail in connection with an embodiment thereof. by means of the drawings, wherein:
FIG; 1 is a sideelevational view of a medullary space drill according to the invention, and
FIG. 2 is a cross-sectional view taken along lines 22 of FIG.
According to FIGS, 1 and 2, the flexible'shaft 1 comprises a plurality of elongated, parallel, annularly disposed individual elements 2 of circular crosssection. these elements being united at their ends to form a bundle, for example by welding or brazing. The number of elements 2 depends on the size of the drill. In a drill of l3millimeters diameter, an annular arrangement of eight elements has proved to be expedient. One end of this bundle carries adn'll head 3 being enlarged in the region of its cutting edges, whereas the other end supports an adapter piece 4 for rotational connection to a drive shaft. The adapter piece 4 may have a plurality of projections pressed out therefrom whichprojections are engaged, in known manner. by a union nut 6 adapted to provide the connection with a complementary adapter piece of a drivi'n means. The outer diameter of the flex ble shaft 1 preferab y. is slightly smaller than that of the adapter piece 4 and of that portion of the drill head 3 which does not have any cutting edges.
Furthermore, both the adapter piece 4'and the drill head 3 may be provided, in known manner, witha central bore or passage 7 having approximately the some inner diameter as the flexible shaft 1 formed by the bundle of annularly arranged elements 2, said bore or passage 7 being adapted to receive therein an elongated guide element (not shown).
I claim:
1. A medullary space drill including a flexible shaft carrying at its opposite ends respectively a drill head having an axial bore therethrough. and an adapter piece for connection to a drive shaft whereby said drill may be rotated, said adapter piece having an axial bore therethrough, at least a portion of said flexible shaft being formed of a plurality of parallel, flexible individual elements extending between said drill head and said adapter piece, said individual elements being arranged to provide a central passage which together with the bores in said drill head and adapter piece is adapted to receive an elongated guide element.
2. The medullary space drill according to claim 1, wherein 5.-The medullary space drill according to claim 1 wherein said individual elements are soldered to said drill head and said adapter piece respectively.
Claims (5)
1. A medullary space drill including a flexible shaft carrying at its opposite ends respectively a drill head having an axial bore therethrough, and an adapter piece for connection to a drive shaft whereby said drill may be rotated, said adapter piece having an axial bore therethrough, at least a portion of said flexible shaft being formed of a plurality of parallel, flexible individual elements extending between said drill head and said adapter piece, said individual elements being arranged to provide a central passage which together with the bores in said drill head and adapter piece is adapted to receive an elongated guide element.
2. The medullary space drill according to claim 1, wherein said individual elements are positioned in an annular assembly.
3. The medullary space drill according to claim 1 wherein said individual elements have circular cross sections.
4. The medullary space drill according to claim 1 wherein said individual elements are welded to the drill head and to said adapter piece respectively.
5. The medullary space drill according to claim 1 wherein said individual elements are soldered to said drill head and said adapter piece respectively.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1566134 | 1967-07-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3554192A true US3554192A (en) | 1971-01-12 |
Family
ID=5677953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US747000A Expired - Lifetime US3554192A (en) | 1967-07-24 | 1968-07-23 | Medullary space drill |
Country Status (1)
Country | Link |
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US (1) | US3554192A (en) |
Cited By (90)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4473070A (en) * | 1983-01-05 | 1984-09-25 | Regents Of The University Of Michigan | Intramedullary reamer |
US4706659A (en) * | 1984-12-05 | 1987-11-17 | Regents Of The University Of Michigan | Flexible connecting shaft for intramedullary reamer |
EP0253526A1 (en) * | 1986-06-27 | 1988-01-20 | DiPietropolo, Al | Flexible medullary reamer |
US4929127A (en) * | 1988-06-22 | 1990-05-29 | Fischerwerke Artur Fischer Gmbh & Co. Kg | Drill bit for producing drilled holes with an undercut |
US4941466A (en) * | 1987-04-13 | 1990-07-17 | Romano Jack W | Curved bore drilling method and apparatus |
US5002546A (en) * | 1987-04-13 | 1991-03-26 | Romano Jack W | Curved bore drilling apparatus |
US5015255A (en) * | 1989-05-10 | 1991-05-14 | Spine-Tech, Inc. | Spinal stabilization method |
WO1991011962A1 (en) * | 1990-02-09 | 1991-08-22 | Romano Jack W | Curved bore drilling apparatus |
US5122134A (en) * | 1990-02-02 | 1992-06-16 | Pfizer Hospital Products Group, Inc. | Surgical reamer |
US5190548A (en) * | 1991-04-10 | 1993-03-02 | Linvatec Corporation | Surgical reamer |
US5269785A (en) * | 1990-06-28 | 1993-12-14 | Bonutti Peter M | Apparatus and method for tissue removal |
WO1994005211A1 (en) * | 1992-09-09 | 1994-03-17 | Depuy Inc. | Bone cutting apparatus and method |
US5445639A (en) * | 1989-05-10 | 1995-08-29 | Spine-Tech, Inc. | Intervertebral reamer construction |
US5488761A (en) * | 1994-07-28 | 1996-02-06 | Leone; Ronald P. | Flexible shaft and method for manufacturing same |
US5499984A (en) * | 1994-04-07 | 1996-03-19 | Snap-On Incorporated | Universal modular reamer system |
US5509918A (en) * | 1993-05-11 | 1996-04-23 | David Romano | Method and apparatus for drilling a curved bore in an object |
US5549613A (en) * | 1993-09-15 | 1996-08-27 | Mitek Surgical Products, Inc. | Modular surgical drill |
US5645545A (en) * | 1995-08-14 | 1997-07-08 | Zimmer, Inc. | Self reaming intramedullary nail and method for using the same |
US5665090A (en) * | 1992-09-09 | 1997-09-09 | Dupuy Inc. | Bone cutting apparatus and method |
US5697932A (en) * | 1994-11-09 | 1997-12-16 | Osteonics Corp. | Bone graft delivery system and method |
US5720749A (en) * | 1996-03-18 | 1998-02-24 | Snap-On Technologies, Inc. | Integral reamer apparatus with guide counterbores in female press-fitted parts |
US5755719A (en) * | 1997-01-15 | 1998-05-26 | Case Medical, Inc. | Acetabular reamer |
EP0861635A2 (en) | 1993-05-27 | 1998-09-02 | Howmedica Inc. | Flexible medullary reaming system |
US5913858A (en) * | 1996-05-13 | 1999-06-22 | Wright Medical Technology, Inc. | Instrumentation for implanting a spherical prosthesis |
US5968048A (en) * | 1995-07-22 | 1999-10-19 | Howmedica Gmbh | Bore head for boring bone channels |
US6168599B1 (en) * | 1997-04-14 | 2001-01-02 | Allan S. Frieze | Long bone reamer |
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US20020040246A1 (en) * | 1991-08-12 | 2002-04-04 | Bonutti Peter M. | Tissue press and system |
US6409727B1 (en) * | 1999-10-15 | 2002-06-25 | Scimed Life Systems, Inc. | Multifilar flexible rotary shaft and medical instruments incorporating the same |
US20020165580A1 (en) * | 2001-05-03 | 2002-11-07 | Aaron Zwiefel | Biopsy forceps device with transparent outer sheath |
US20030028190A1 (en) * | 2001-08-02 | 2003-02-06 | Patel Tushar Ch. | Endplate preparation instrument |
US20030045934A1 (en) * | 1991-08-12 | 2003-03-06 | Bonutti Peter M. | Method for tissue grafting |
US20030083545A1 (en) * | 1999-10-14 | 2003-05-01 | Scimed Life Systems, Inc. | Endoscopic instrument system having reduced backlash control wire action |
US6558386B1 (en) | 2000-02-16 | 2003-05-06 | Trans1 Inc. | Axial spinal implant and method and apparatus for implanting an axial spinal implant within the vertebrae of the spine |
US6558390B2 (en) | 2000-02-16 | 2003-05-06 | Axiamed, Inc. | Methods and apparatus for performing therapeutic procedures in the spine |
US20030125731A1 (en) * | 1999-08-06 | 2003-07-03 | Scimed Life Systems, Inc. | Polypectomy snare having ability to actuate through tortuous path |
US20030180108A1 (en) * | 2002-03-25 | 2003-09-25 | Gongola Andrew G. | Boring bit and methods for manufacturing boring bits |
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US6783533B2 (en) | 2001-11-21 | 2004-08-31 | Sythes Ag Chur | Attachable/detachable reaming head for surgical reamer |
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Cited By (246)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4473070A (en) * | 1983-01-05 | 1984-09-25 | Regents Of The University Of Michigan | Intramedullary reamer |
US4706659A (en) * | 1984-12-05 | 1987-11-17 | Regents Of The University Of Michigan | Flexible connecting shaft for intramedullary reamer |
EP0253526A1 (en) * | 1986-06-27 | 1988-01-20 | DiPietropolo, Al | Flexible medullary reamer |
US4751922A (en) * | 1986-06-27 | 1988-06-21 | Dipietropolo Al | Flexible medullary reamer |
US5002546A (en) * | 1987-04-13 | 1991-03-26 | Romano Jack W | Curved bore drilling apparatus |
US4941466A (en) * | 1987-04-13 | 1990-07-17 | Romano Jack W | Curved bore drilling method and apparatus |
WO1991011961A1 (en) * | 1988-05-20 | 1991-08-22 | Romano Jack W | Curved bore drilling method and apparatus |
US4929127A (en) * | 1988-06-22 | 1990-05-29 | Fischerwerke Artur Fischer Gmbh & Co. Kg | Drill bit for producing drilled holes with an undercut |
US5445639A (en) * | 1989-05-10 | 1995-08-29 | Spine-Tech, Inc. | Intervertebral reamer construction |
US5015255A (en) * | 1989-05-10 | 1991-05-14 | Spine-Tech, Inc. | Spinal stabilization method |
US5062845A (en) * | 1989-05-10 | 1991-11-05 | Spine-Tech, Inc. | Method of making an intervertebral reamer |
US5122134A (en) * | 1990-02-02 | 1992-06-16 | Pfizer Hospital Products Group, Inc. | Surgical reamer |
WO1991011962A1 (en) * | 1990-02-09 | 1991-08-22 | Romano Jack W | Curved bore drilling apparatus |
US6468289B1 (en) | 1990-06-28 | 2002-10-22 | Peter M. Bonutti | Apparatus and method for tissue removal |
US6543455B2 (en) | 1990-06-28 | 2003-04-08 | Peter M. Bonutti | Cell harvesting method |
US5269785A (en) * | 1990-06-28 | 1993-12-14 | Bonutti Peter M | Apparatus and method for tissue removal |
US6607534B2 (en) | 1990-06-28 | 2003-08-19 | Peter M. Bonutti | Tissue engagement method |
US7134437B2 (en) | 1990-06-28 | 2006-11-14 | Bonutti Ip, Llc | Method for utilizing human tissue |
US6652532B2 (en) | 1990-06-28 | 2003-11-25 | Bonutti 2003 Trust A | Tissue repair method |
US6719803B2 (en) | 1990-06-28 | 2004-04-13 | Bonutti 2003 Trust-A | Method for forming and implanting a grafting material containing tissue |
US5577517A (en) * | 1990-06-28 | 1996-11-26 | Bonutti; Peter M. | Method of grafting human tissue particles |
US6990982B1 (en) | 1990-06-28 | 2006-01-31 | Bonutti Ip, Llc | Method for harvesting and processing cells from tissue fragments |
US5935131A (en) * | 1990-06-28 | 1999-08-10 | Bonutti; Peter M. | Apparatus and method for tissue removal |
US5694951A (en) * | 1990-06-28 | 1997-12-09 | Bonutti; Peter M. | Method for tissue removal and transplantation |
US20030009147A1 (en) * | 1990-06-28 | 2003-01-09 | Bonutti Peter M. | Biodegradable sac and method of using same |
US6592531B2 (en) | 1990-06-28 | 2003-07-15 | Bonutti 2003 Trust-A | Surgical instrument positioning system |
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