US3803667A - Universal handle for surgical implements - Google Patents

Universal handle for surgical implements Download PDF

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Publication number
US3803667A
US3803667A US00224179A US22417972A US3803667A US 3803667 A US3803667 A US 3803667A US 00224179 A US00224179 A US 00224179A US 22417972 A US22417972 A US 22417972A US 3803667 A US3803667 A US 3803667A
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US
United States
Prior art keywords
leg
fastener
legs
connecting end
handle
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
Application number
US00224179A
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English (en)
Inventor
A Rose
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US00224179A priority Critical patent/US3803667A/en
Priority to DE2305699A priority patent/DE2305699A1/de
Priority to JP48014822A priority patent/JPS4891881A/ja
Application granted granted Critical
Publication of US3803667A publication Critical patent/US3803667A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A61B17/16—Instruments for performing osteoclasis; Drills or chisels for bones; Trepans
    • A61B17/1604—Chisels; Rongeurs; Punches; Stamps
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/919—Screw having driving contacts
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/955—Locked bolthead or nut
    • Y10S411/956—Automatic base clutch
    • Y10S411/957—Biting tooth
    • Y10S411/959—Bolt- or nut-carried
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20636—Detents
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20732—Handles
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20732—Handles
    • Y10T74/20834—Hand wheels
    • Y10T74/20864—Handles

Definitions

  • references Cited UNITED STATES PATENTS [5 7] ABSTRACT tion of the mating head in cooperation with the connecting end.
  • a hammer can be incorporated within the chisel handle.
  • a novel wrench is employed to 0perate the fastener.
  • the field of this invention relates to a replaceable blade structure for a tool and more particularly a replaceable blade-for a chisel which is to be employed in the intended environment of medical surgery.
  • the term chisel used herein is intended to include osteomes, gauges, elevators and curvettes.
  • Surgical instruments must be formed of an extremely hard metallic material which can be frequently autoclaved in order to make such instruments sanitary.
  • the surgical chisel must be entirely formed of this hard material which greatly adds to the weight of the chisel and the manufacturing costthereof.
  • the most common type of material ofconstruction of such chisels is stainless steel. The hardness of stainless steel is retained during the frequent autoclaving and also the stainless steel will hold a sharp edge for greater length of time.
  • Chisels are usuallyemployed in surgery to remove slivers or chips of bone. This removal of bone must be accomplished with a high degree of precision. Therefore, it is required that the edge of the chisel be as sharp as possible.
  • This invention relates to the forming of a chisel where the chisel head is removably secured to the chisel handle.
  • the connecting end of the chisel handle is bifurcated into a first leg and a second leg.
  • the first leg is of a greater thickness than the thickness of the second leg.
  • the first leg is located substantially parallel to the elongated axis of the handle.
  • the second leg is formed slightly non-parallel to the elongated axis of the handle.
  • Each of the legs includes an aperture which is in alignment to facilitate cooperation with a screw fastener.
  • the first leg also includes a series of grooves.
  • the mating end of the chisel head includes a pair of spaced apart prongs.
  • the prongsof the mating end are to cooperate about the fastener between the legs of the bifurcated connecting end 'of thehandle.
  • the mating end also includes a plurality of protuberances which are to cooperate with the grooves formed in the connecting end.
  • About the head of the fastener are formed aplurality of serrations.
  • Upon the outer surface of the second leg is formed a similar series of serrations. The serrated surfaces of the head of the fastener and the second leg are to cooperate together to retain the fastener in the tightened position, thereby preventing the chisel head from becoming loosely connected with respect to the handle during use.
  • the head of the fastener includes a polygonal shaped recess with a plurality of slits extending therefrom.
  • a wrench is to be employed to cooperate with the fastener head which includes both a polygonal shaped protuberance to cooperate with the recess and a plurality of spaced apart projections to cooperate with the slits.
  • the chisel may also include a hammer incorporated into the handle thereby negating the use of a separate hammer.
  • the blades are made to be disposable when such lose their sharpness or become otherwise unuseful.
  • FIG. 1 is an overall longitudinal view of the chisel of this invention showing the removable chisel head retained upon the handle portion of the chisel;
  • FIG. 2 is a side view of the chisel of FIG. 1;
  • FIG. 3 is a cross-sectional view taken along line 3--3 of FIG. 1 showing more clearly the connection between the chisel head and the chisel handle;
  • FIG. 4 is a cross-sectional view of a portion of the connection of the chisel head to the chisel handle taken along line 4-4 of FIG. 2;
  • FIG. 5 is an exploded isometric view of the connection between the chisel head and the chisel handle;
  • FIG. 6 is a modification of the chisel of this invention which includes a hammer element slidably mounted upon the chisel handle; and- FIG. 7 is an isometric view of the wrench employed to cooperate with the head of the fastener to connect the chisel head to the handle.
  • FIG. 1 the chisel 10 of this invention basically composed of a handle 12 and a chisel head 14.
  • the chisel head 14 is divided into a cutting blade 16 and a mating end 18.
  • the handle 12 includes a grasping section 20 and a connecting end 22.
  • the connecting end 22 is bifurcated so as to form a first leg 24 and a second leg 26.
  • the bifurcation is inherently producedby the forming of the slot 28 which separates the first leg 24 and second leg 26.
  • first aperture 30 Formed through the first leg 24 is a first aperture 30.
  • second aperture 32 Formed through the second leg 26 is a second aperture 32.
  • Apertures 30 and 32 are to be in longitudinal alignment with each other so as to facilitate cooperation by a fastener 34.
  • the aperture 30 is screw threaded.
  • the fastener 34 includes external screw threads 40 which are to cooperate within the screw threaded opening 30.
  • the fastener 34 also includes an enlarged head 42 which includes therein a recess assembly 44.
  • Recess assembly 44 includes a central polygonal shaped recess 45 and a plurality of slits 47.
  • the recess 45 preferably has eight sides. There are four in number of slits 47 equidistantly spaced apart with each slit 47 extending from the recess 45.
  • tool 49 which has a handle 51 and wrench heads 53 and 55.
  • Heads 53 and 55 are both identical and permit the tool 49 to be used similarly to either a conventional screwdriver or wrench.
  • Each head 53 and 55 includes an elongated polygonal shaped (eight sides preferable) protuberance 57.
  • the protuberance 57 is to matingly cooperate with the recess '45.
  • each head 53 and 55 includes a plurality of projections 59 (four in number being preferable). These projections 59 are to matingly cooperate with the slits 47.
  • a dual action wrenching effect is achieved through the use of both the protuberance 57 and the projections 59.
  • annular serrated surface 46 Located about the enlarged head 42 adjacent the threads 40 is an annular serrated surface 46. Extending above the surface of the second leg 26 is a boss 48 which also includes a serrated surface 50. Upon tightening of the fastener 34 within the aligned apertures 30 and 32, the serrated surfaces 46 and 50 cooperate in a frictional positive locking arrangement so as to prevent the fastener 34 from rotating with respect to the apertures 30 and 32.
  • the thickness of the second leg 26 is substantially less than the thickness of the first leg 24. The reason for this will become more apparent further on in the description. Additionally, it is to be noted that the bifurcation is such so that the second leg 26 is located in a non-parallel relationship with the first leg 24. This non-parallel relationship is so that the spacing between the legs is larger at the opened end of the bifurcation than at the apex of the bifurcation. The reason for this will also be described further on in the specification.
  • a pair of spaced apart elongated grooves 52 and 54 Formed within the surface of the first leg 24 which is adjacent the slot 28 is a pair of spaced apart elongated grooves 52 and 54.
  • the grooves 52 and 54 are located one on each side of the first aperture 30.
  • a transverse groove 56 Also located within the surface of the first leg 24 is a transverse groove 56. The transverse groove 56 crosses over each of the elongated grooves 52 and 54.
  • the mating .end 18 is basically composed of a first prong 58 and a second prong 60.
  • the first prong 58 and second prong 60 are connected together through a transverse section 62 which is located directly adjacent the blade 16 of the chisel.
  • Integrally formed upon each of the-prongs 58 and 60 is an elongated protuberance 64and 66, respectively.
  • integrally formed transversely about section 62 is a-transverse protuberance 68.
  • the operation of the chisel of this invention is as follows: lt'will be assumed that the chisel head 14 is disassociated from the handle 12. In this position the fastener 34 is located within the aligned apertures 30 and 32 but is not tightened. In this portion the second leg 26 is non-parallel with respect to the first leg 24.
  • the prongs 58 and .60 are inserted as far as possible within the slot .28 until the transverse protuberance 68 cooperates with the transverse groove 56. In this position the fastener 34'is located between the prongs 58 and 60.
  • FIG. 7 effects tightening rotation of the fastener 34 by causing the tool to cooperate with the recess assembly 44.
  • the second leg 26 is caused to physically move toward the first leg 24.
  • the amount of the movement of the second leg 26 is limited only by the'inherent resiliency of the material of construction of the second leg 26 in the thickness of the second leg- 26.
  • the non-parallel relationship of the second leg 26 with respect to the first leg 24 is exaggerated for purposes of description. This nonparallel relationship is only a few degrees so as to just facilitate ease of insertion of the mating end 18 into cooperation with the connecting end 22 so sufficient clearance is provided so that transverse protuberance 68 will be caused to cooperate within the groove 56.
  • the fastener 34 is tightened sufficiently so that adequate frictional binding of the prongs 58 and 60 occur between the legs 24 and 26. With the fastener 34 being sufficiently tightened, it is held in this position by the locking arrangement of the serrated surfaces 46 and 50.
  • a hammer element 19 may be incorporated within the handle 13 (FIG. 6).
  • the handle 13 is formed into a cylindrical rod 21 upon which the element 19 is slidably mounted.
  • the aft end of the handle 13 is connected to an enlarged knob 23 to prevent complete removal of element 19.
  • the rod 21 is connected at its free end to connecting end 25.
  • the base of the connecting end 25 is to be struck by the element 19 to achieve the hammering effect.
  • the element 19 includes a recess 27 within its forward surface. The recess 27 is to matingly cooperate about the aft end of the connecting end 25.
  • the blades 14 may be constructed in an inexpensive manner to be'd'isposable. Upon a blade 14 becoming dull, a new blade is inserted with the old blade discarded and used for scrap.
  • a universal handle apparatus for surgical implements comprising:
  • a handle including a connecting end, said connecting end being bifurcated forming a first leg and a second leg, said legs in their natural state assuming a non parallel relationship with respect to each other, the free end of said legs normally spaced further apart than said legs adjacent the apex of said bifurcation, whereby said legs assume said nonparallel relationship;
  • an implement head having a mating end adapted to cooperate with said connecting end;
  • said handle being elongated and having a longitudinal axis, said first leg being of a greater thickness than said second leg, said first leg being substantially parallel to said longitudinal axis, said second leg being normally non-parallel to said longitudinal axis, whereby upon said fastener being tightened said second leg is moved parallel to said longitudinal axis.
  • said fastener having an enlarged head, said enlarged head having a first serrated surface, one of said legs having a second serrated surface located adjacent its respective said aperture, said first and second serrated surfaces to cooperate to fix the tightened position of said fastener.
  • each of said legs having an aperture formed therein, said aperture being in alignment with each other, said fastener to cooperate with said apertures to move said legs in substantial parallel relationship thereby causing secure retention of said mating end between said legs.
  • said fastener having an enlarged head, the head of said fastener having a central polygonal shaped recess, therebeing a plurality of slits extend from said recess in a radial manner.
  • said mating end having a pair of spaced apart elongated prongs, said fastener to be located between said prongs when retaining said mating end within said connecting end.
  • a universal handle apparatus for surgical implements comprising:
  • a handle including a connecting end, said connecting end being bifurcated forming a first leg and a sec- 0nd leg, said legs in their natural state assuming a non-parallel relationship with respect to each other;
  • an implement head having a mating end adapted to cooperate with said connecting end;
  • said mating end having a pair of spaced apart elongated prongs, said fastener to be located between said prongs when retaining said mating end within said connecting end;
  • each of said prongs having an elongated protuberance, said connecting end having a pair of spaced apart elongated grooves, a said elongated protuberance to cooperate with a said elongated groove upon said mating end located within said connecting end.
  • said mating end further including a transverse protuberance, said connecting end having a transverse groove, said transverse protuberance to cooperate with said transverse groove upon said mating end located within said connecting end.
  • the free end of said legs is normally spaced further apart than said legs adjacent the apex of said bifurcation, whereby said legs assume said non-parallel relationship.
  • said handle being elongated and having a longitudinal axis, said first leg being of a greater thickness than said second leg, said first leg being substantially parallel to said elongated axis, said second leg being normally non-parallel to said longitudinal axis.
  • said elongated grooves and said transverse groove are formed within said first leg.

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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)
US00224179A 1972-02-07 1972-02-07 Universal handle for surgical implements Expired - Lifetime US3803667A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US00224179A US3803667A (en) 1972-02-07 1972-02-07 Universal handle for surgical implements
DE2305699A DE2305699A1 (de) 1972-02-07 1973-02-06 Chirurgisches meisselgeraet
JP48014822A JPS4891881A (cs) 1972-02-07 1973-02-07

Applications Claiming Priority (1)

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US00224179A US3803667A (en) 1972-02-07 1972-02-07 Universal handle for surgical implements

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US3803667A true US3803667A (en) 1974-04-16

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JP (1) JPS4891881A (cs)
DE (1) DE2305699A1 (cs)

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297916A (en) * 1977-08-15 1981-11-03 Burroughs Elvin O Chain tightener attachment
WO1990011168A1 (en) * 1989-03-29 1990-10-04 Loo George D H An improved scalpel blade holder
USD318118S (en) 1988-02-08 1991-07-09 Michelson Gary K Medical instrument handle
US5215206A (en) * 1992-11-02 1993-06-01 Hallen Products, Ltd. Drum closure assembly
USD338528S (en) 1991-09-06 1993-08-17 Tibor Koros Flexible hip prosthesis osteotome
USD362181S (en) 1992-07-30 1995-09-12 Yasuko K. Meyers Auxiliary handle
USD369549S (en) 1994-07-15 1996-05-07 Meyers Yasuko K Auxiliary handle
US5584410A (en) * 1995-01-24 1996-12-17 Hallen Products Ltd. Drum closure assembly
US5713906A (en) * 1993-05-15 1998-02-03 Ueth & Haug Gmbh Endoprosthesis cutting-off device
WO1999005937A3 (en) * 1997-08-01 1999-08-26 Dynatec International Inc Sliding and tilting shelf drawer
US5957946A (en) * 1997-07-30 1999-09-28 Lab Medical Engineering & Manufacturing Surgical bone awl
US6659997B1 (en) * 1999-11-26 2003-12-09 Sulzer Orthopedics Ltd. Operating tool
US20040045172A1 (en) * 2002-09-05 2004-03-11 Stephen Rowlay Replaceable blade knife
US20040119288A1 (en) * 2002-12-23 2004-06-24 Allied Tube And Conduit Corporation Conduit coupling assembly
USD552239S1 (en) * 2005-01-11 2007-10-02 Karl Storz Gmbh & Co. Kg Medical instrument
US20070293871A1 (en) * 2006-04-13 2007-12-20 Andrew Ackermann Osteotome and components thereof
WO2009128861A1 (en) * 2008-04-15 2009-10-22 Lonnie Paulos Surgical chisel assembly and method of use
US20100303581A1 (en) * 2009-06-01 2010-12-02 Steven Dean Eggers Plastic Product With Insert
USD631715S1 (en) * 2009-05-09 2011-02-01 Tobias M N F Cardew Beveled chisel tip
USD632151S1 (en) * 2009-05-09 2011-02-08 Tobias M N F Cardew Channeled chisel tip
USD637053S1 (en) * 2009-05-09 2011-05-03 Tobias M N F Cardew Chisel tip
USD715613S1 (en) * 2013-07-09 2014-10-21 Charles H. Pugh Wedge
WO2014200984A1 (en) * 2013-06-12 2014-12-18 Zimmer, Inc. Femoral explant device
US20150297304A1 (en) * 2012-12-20 2015-10-22 MAQUET GmbH Instrument holder
USD798446S1 (en) * 2013-08-21 2017-09-26 Eca Medical Instruments Elongated medical instrument handle with ridges
US9949780B2 (en) 2011-02-12 2018-04-24 Eca Medical Instruments Medical tool and waste collection device
US10072793B2 (en) 2012-12-20 2018-09-11 MAQUET GmbH Medical holding arm
USD920764S1 (en) * 2020-03-05 2021-06-01 Dictum Gmbh Grip for hand-held saws
US20230390911A1 (en) * 2019-10-31 2023-12-07 Adam Douglas Carter Universal Chisel Attachment
US20240074568A1 (en) * 2022-09-02 2024-03-07 Blue Force Gear, Inc. Accessory adapter

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4600005A (en) * 1984-08-22 1986-07-15 Hendel Philip M Guided osteotome for harvesting cranial bone graft
DE10140061C2 (de) * 2001-08-16 2003-09-25 Rolf Vollmer Knochenspaltwerkzeug
DE10316991A1 (de) 2003-04-11 2004-12-02 Harald Dr. med. Kuhn Osteotom sowie chirurgisches Instrument zur Osteotomie
JP7750715B2 (ja) * 2021-11-10 2025-10-07 俊輔 林 ボーンチゼル

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US81044A (en) * 1868-08-11 William
US366432A (en) * 1887-07-12 Leonhard schwab
US493054A (en) * 1893-03-07 Isaac franklin bassford
US798127A (en) * 1905-01-31 1905-08-29 William P Burnitt Handle for tamping-shovels.
US884290A (en) * 1907-10-11 1908-04-07 Agustin Montes De Oca Locking device.
CH107433A (de) * 1924-02-11 1925-03-02 Frei Friedrich Hohlbeitel.
US1529683A (en) * 1924-07-05 1925-03-17 Anderson Gustaf Chisel
US1934962A (en) * 1932-03-23 1933-11-14 White S Dental Mfg Co Surgical chisel holding and driving implement
US2305465A (en) * 1941-10-16 1942-12-15 Maimin Company Inc H Cloth-cutting machine
US2800089A (en) * 1953-07-15 1957-07-23 Herbert F Seils Baker's peel
US2800829A (en) * 1954-08-30 1957-07-30 Wesloc Screw Inc Cruciform recessed screw
US3316605A (en) * 1964-09-14 1967-05-02 Oldberg Mfg Company Nut locking construction
US3424212A (en) * 1967-04-12 1969-01-28 United Co The Screw wrench device

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US81044A (en) * 1868-08-11 William
US366432A (en) * 1887-07-12 Leonhard schwab
US493054A (en) * 1893-03-07 Isaac franklin bassford
US798127A (en) * 1905-01-31 1905-08-29 William P Burnitt Handle for tamping-shovels.
US884290A (en) * 1907-10-11 1908-04-07 Agustin Montes De Oca Locking device.
CH107433A (de) * 1924-02-11 1925-03-02 Frei Friedrich Hohlbeitel.
US1529683A (en) * 1924-07-05 1925-03-17 Anderson Gustaf Chisel
US1934962A (en) * 1932-03-23 1933-11-14 White S Dental Mfg Co Surgical chisel holding and driving implement
US2305465A (en) * 1941-10-16 1942-12-15 Maimin Company Inc H Cloth-cutting machine
US2800089A (en) * 1953-07-15 1957-07-23 Herbert F Seils Baker's peel
US2800829A (en) * 1954-08-30 1957-07-30 Wesloc Screw Inc Cruciform recessed screw
US3316605A (en) * 1964-09-14 1967-05-02 Oldberg Mfg Company Nut locking construction
US3424212A (en) * 1967-04-12 1969-01-28 United Co The Screw wrench device

Cited By (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297916A (en) * 1977-08-15 1981-11-03 Burroughs Elvin O Chain tightener attachment
USD318118S (en) 1988-02-08 1991-07-09 Michelson Gary K Medical instrument handle
WO1990011168A1 (en) * 1989-03-29 1990-10-04 Loo George D H An improved scalpel blade holder
USD338528S (en) 1991-09-06 1993-08-17 Tibor Koros Flexible hip prosthesis osteotome
USD362181S (en) 1992-07-30 1995-09-12 Yasuko K. Meyers Auxiliary handle
US5215206A (en) * 1992-11-02 1993-06-01 Hallen Products, Ltd. Drum closure assembly
US5713906A (en) * 1993-05-15 1998-02-03 Ueth & Haug Gmbh Endoprosthesis cutting-off device
USD369549S (en) 1994-07-15 1996-05-07 Meyers Yasuko K Auxiliary handle
US5584410A (en) * 1995-01-24 1996-12-17 Hallen Products Ltd. Drum closure assembly
US5957946A (en) * 1997-07-30 1999-09-28 Lab Medical Engineering & Manufacturing Surgical bone awl
US6039422A (en) * 1997-08-01 2000-03-21 Butters; Rex A. Sliding and tilting shelf drawer
WO1999005937A3 (en) * 1997-08-01 1999-08-26 Dynatec International Inc Sliding and tilting shelf drawer
US6659997B1 (en) * 1999-11-26 2003-12-09 Sulzer Orthopedics Ltd. Operating tool
US20040045172A1 (en) * 2002-09-05 2004-03-11 Stephen Rowlay Replaceable blade knife
US6971178B2 (en) * 2002-09-05 2005-12-06 The Stanley Works Replaceable blade knife
US7726001B2 (en) 2002-12-23 2010-06-01 Allied Tube & Conduit Corporation Method of manufacturing a coupling assembly
US20040119288A1 (en) * 2002-12-23 2004-06-24 Allied Tube And Conduit Corporation Conduit coupling assembly
US7404582B2 (en) * 2002-12-23 2008-07-29 Allied Tube & Conduit Corporation Conduit coupling assembly
US20080250623A1 (en) * 2002-12-23 2008-10-16 Allied Tube & Conduit Corporation Conduit coupling assemble
USD552239S1 (en) * 2005-01-11 2007-10-02 Karl Storz Gmbh & Co. Kg Medical instrument
US20070293871A1 (en) * 2006-04-13 2007-12-20 Andrew Ackermann Osteotome and components thereof
WO2009128861A1 (en) * 2008-04-15 2009-10-22 Lonnie Paulos Surgical chisel assembly and method of use
US20110034932A1 (en) * 2008-04-15 2011-02-10 Paulos Lonnie E Surgical chisel assembly and method of use
USD637053S1 (en) * 2009-05-09 2011-05-03 Tobias M N F Cardew Chisel tip
USD631715S1 (en) * 2009-05-09 2011-02-01 Tobias M N F Cardew Beveled chisel tip
USD632151S1 (en) * 2009-05-09 2011-02-08 Tobias M N F Cardew Channeled chisel tip
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Also Published As

Publication number Publication date
DE2305699A1 (de) 1973-08-16
JPS4891881A (cs) 1973-11-29

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