US3036482A - Axial-impact type hand tool - Google Patents

Axial-impact type hand tool Download PDF

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Publication number
US3036482A
US3036482A US5370960A US3036482A US 3036482 A US3036482 A US 3036482A US 5370960 A US5370960 A US 5370960A US 3036482 A US3036482 A US 3036482A
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Prior art keywords
tube
head
end
nail
axial
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Expired - Lifetime
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Kenworthy Kenneth
Bowden B Kenworthy
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Kenworthy Kenneth
Bowden B Kenworthy
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25CHAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00Hand-held nailing tools; Nail feeding devices
    • B25C1/02Hand-held nailing tools; Nail feeding devices operated by manual power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D1/00Hand hammers; Hammer heads of special shape or materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D3/00Hand chisels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D2250/00General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/105Exchangeable tool components
    • B25D2250/111Bits, i.e. inserts or attachments for hammer, chisel, pick
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D2250/00General details of portable percussive tools; Components used in portable percussive tools
    • B25D2250/241Sliding impact heads, i.e. impact heads sliding inside a rod or around a shaft

Description

May 29, 1962 K. KENWORTHY ET AL 3,036,432

AXIAL-IMPACT TYPE HAND TOOL Filed Sept. 2. 1960 INVENTORS Kenneth Kenworthy y Bowden B. Kenworthy United States Patent Calif.

Filed Sept. 2, 1960, Ser. No. 53,709 2 Claims. 01. 81-5235) This invention relates to a new and improved slip tool of the type wherein -a weighted rod is slipped through a tube carrying a tool or a nail on one end for the purpose of driving the nail or performing a hammering, chiseling, punching, chipping, drilling or driving operation.

The present invention is particularly useful in locations where the space is limited. Thus in accordance with the present invention nails may be driven where there is insuflicient room to swing a conventional hammer or where the headroom is so cramped that the physical effort required to swing the hammer is inconvenient.

A feature and advantage of the present invention is the provision of means to retain a nail on the end of the tube so that the driving operation may be commenced without it being necessary for the workman to hold the nail in place. Thus the present invention has particular advantage in driving nails in posit-ions under houses or other locations where space is extremely limited and joists, braces, piping and the like impede the workman. In accordance with this invention the nail may be installed on the end of the tube and the tube raised into place without the necessity of the workmans hand being raised to the point where the nail is to be driven.

A still further feature of the invention is the fact that various detachable heads may be installed on the end of the tube and held in place by the same means which holds the nail in position. The various heads may be shaped to perform operations such as hammering, chiseling, punching, chipping and drilling. Thus the tool is adapted for various difierent operations and may be readily converted from one to the other quickly and without requiring screwing or twisting operations which are difiicult in cramped quarters.

The operations such as those mentioned in the preceding paragraph are performed in accordance with the present invention by the same manual operations as heretofore mentioned and likewise are readily performed in close quarters.

Other objects of the present invention will become ap parent upon reading the following specification and referring to the accompanying drawings in which similar characters of reference represent corresponding parts in each of the several views,

In the drawings:

FIG. 1 is a side elevational view of the tool partly broken away in section and showing the handle in partially retracted position.

FIG. 2 is a view similar to FIG. 1 showing the handle driven inwardly.

FIG. 3 is a fragmentary elevational view showing the means of attachment of a hammer head to the end of the tube.

FIGS. 4, 5 and 6 are perspective views showing other attachments for the end of the tube, namely a small chisel, a larger chisel and a punching tool, respectively.

In accordance with the present invention there is provided a pair of interfitting and relatively slidable elements, namely a tube .11 and a rod 12. Rod 12 is preferably formed with a heavy or weighted handle 13 at one end which may be gripped by the user and by its mass increase the impact of the hammering movement.

The tube 11 is formed with an aperture 16 adjacent ice its outer end into which fits the detent portion 17 of a spring 18 secured to the outside of the tube '11. As shown in the accompanying drawings, spring 18 is secured by means of brazing, soldering or the like but it will be understood that various fastening means may be substituted or that the spring may be wound in a helical coil around the outside of the tube to hold it in place.

As shown particularly in FIG. 1, a nail 21 having a head 22 fits inside the hollow tube 11 and the detent 17 prevents the head from sliding out of the tool. In use, the workman places the nail in the position shown in FIG. 1 and lifts the tube 11 in such positionthat thepoint of the nail is in the desired location where it is to be driven. The handle 13 is retracted and then pushed forcibly forward, the inner end 23 of rod 12 striking the head 22 and driving the nail outwardly. The force of spring 18 is such that it easily moves out of position to permit the driving of the nail and sliding movement of the rod '12. Repeated strokes of the rod 12 may be required to drive the nail completely, but such strokes are of limited length and readily performed in cramped quarters. It will be noted that in positioning the nail the hand of the workman does not have to be in proximity to the point at which the nail is driven.

In the form of the invention shown in FIG. 3 a hammer head 26 is provided. Head 26 has a sleeve 27' which slips over the outside of the outer end of tube 11. A hole 28 is formed in sleeve 27. Detent 17 of spring 18 fits through hole 28 and hole 16 which registers therewith and thus holds head 26 on the end of tube 11. The head 26 has a hammer portion 29 similar to the corresponding portion of a hammer. Thus in use the head 26 is attached to tube 11 as shown in FIG. 3 and the handle 13 pumped up and down, each stroke of the rod 12 contacting the inside of head 26 and performing the hammering operation.

In FIG. 4 a head 26a similar in certain respects to head 26 is provided. The outer end is formed with a chisel blade 31a in place of the hammer head 26. Parts corresponding to those of the form of invention shown in FIG. 3 have corresponding reference numerals followed by the subscript a.

Similarly in FIG. 5 a broad chisel blade 32b is provided on the end of head 26b. Parts corresponding to those of FIG. 3 are followed by the subscript b. In FIG. 6 a punch 33c is formed at the end of head 26c and corresponding parts are likewise given similar ref- :erence numerals followed by the subscript c. The various tools shown in FIGS. 4, 5 and 6 may be used to perform various chiseling or chipping or drilling operations and the form shown in FIG. 6 may perform a punching operation.

In any event, the proper tool is attached to the end of the tube by sliding it on the end of the tube and fitting the detent 17 of spring 18 into the registering slots 28 and 16 thereby holding the head in place on the end of the tube 11-. The rod 12 is then slid up and down inside the tube to provide the necessary driving action.

What is claimed is:

1. A tool comprising a tube formed with an aperture adjacent one end, resilient detent means carried on the outside of said tube and projecting through said aperture and into the interior of said tube, a rod slidable inside said tube and of a length greater than said tube, a heavy handle on the end of said rod opposite said aperture, and a head for said tube, said head having a sleeve slipped over an end of said tube and formed with a second aperture to receive said detent means to hold said head on said tube.

2. A tool comprising a tube formed with an aperture in its wall spaced upward from one end, a spring fixed to the outside of said tube adjacent said aperture and having an inwardly bent portion normally extending through said aperture and partially blocking off the interior of said tube to retain a nail head inside said tube against normal forcestending to discharge said nail head, an elongated Weighted rod slidable inside said tube arranged upon its inward movement to displace said inwardly bent portion of said spring and drive said nail outwardly, said rod formed with a heavy handle on its outer end, and a head formed with a sleeve fitting over the end of said tube and provided with a second aperture registering with said first-mentioned aperture and receiving said bent portion of said spring, said spring and said second aperture cooperating to hold said head on said tube.

UNITED STATES PATENTS Miller Feb. 26, Williams June 19, Anderson Dec. 30, Ayotte Dec. 6, Green July 17, Pfafif June 24, McGonagill Sept. 15, Kopf et a1. Feb. 23,

FOREIGN PATENTS Canada Jan. 24,

US3036482A 1960-09-02 1960-09-02 Axial-impact type hand tool Expired - Lifetime US3036482A (en)

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Cited By (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3147484A (en) * 1962-05-28 1964-09-08 Lynn H Ewing Toe nailing device
US3308003A (en) * 1962-02-16 1967-03-07 Kleer Vu Ind Inc Ultrasonic sealing apparatus
US3729055A (en) * 1971-03-24 1973-04-24 G Burridge Tamper bar for a tamping machine
US3791034A (en) * 1972-03-23 1974-02-12 C Carver Hole punching tool
US3892029A (en) * 1972-01-24 1975-07-01 Vincent J Militello Metal decking punch and method
US4101088A (en) * 1976-09-27 1978-07-18 Stauth Tommy E Manual impact stake driving apparatus
US4241795A (en) * 1978-06-05 1980-12-30 Landry Ernest A Jr Hand powered high impact tool
US4299021A (en) * 1979-11-19 1981-11-10 Williams Luther M Axial impact tool
US4347845A (en) * 1981-03-23 1982-09-07 Mayfield Jack K Hook inserter device
US4355466A (en) * 1981-02-20 1982-10-26 Quiring Michael S Punching tool having replaceable tips
EP0086418A2 (en) * 1982-02-11 1983-08-24 Aktiebolaget Bygg- och Transportekonomi (BT) Procedure and tool for mounting elongated cylindrical elements in predrilled holes
US4470440A (en) * 1982-09-30 1984-09-11 Thor Harry A Impact producing tool
US4566621A (en) * 1984-07-03 1986-01-28 Sencorp Means for associating a driver, constituting a part of a replaceable fastener containing magazine, with the driver operating mechanism of a fastener driving tool
US4649820A (en) * 1984-01-05 1987-03-17 Vance David E Hand held impact printer
US4662557A (en) * 1985-04-29 1987-05-05 Lee Lawrence L Guide directed hammer having speed multiplying means
US4720904A (en) * 1986-09-16 1988-01-26 Palla Jr Anthony M Hinge pin puller
US4785692A (en) * 1985-11-19 1988-11-22 Holmes Dennis W Railroad tie plug driver
US4813494A (en) * 1987-02-26 1989-03-21 Beard Larry D Stake driver
US4871214A (en) * 1987-08-06 1989-10-03 Sories Cheeking device, particularly for the hanging roof in mines, underground working points, or heading and similar
US4875612A (en) * 1988-08-05 1989-10-24 Lee Lawrence L Guided hammer
US4901712A (en) * 1988-04-22 1990-02-20 Minnesota Mining And Manufacturing Company Bone nailer
US4960064A (en) * 1989-10-17 1990-10-02 Mestas Gilbert L Land anchor for a boat
US5020400A (en) * 1989-12-26 1991-06-04 The United States Of America As Represented By The Secretary Of The Navy Wing folding tool
US5040614A (en) * 1990-11-15 1991-08-20 Charles Nash Self-operated edging tool
US5163597A (en) * 1991-10-15 1992-11-17 Napoli Jr Joseph Staple installing and removing tool
US5163964A (en) * 1991-06-26 1992-11-17 Zimmer, Inc. Orthopaedic prosthesis with access in collar
EP0557306A1 (en) * 1990-09-25 1993-09-01 Innovasive Devices, Inc. Bone fastener
US5409300A (en) * 1994-02-23 1995-04-25 Bourgoin; Claude Mechanized scaling bar
US5484443A (en) * 1992-01-03 1996-01-16 Wright Medical Technology, Inc. Instrument for inserting a protective sleeve into the medullary canal of a bone
US5507801A (en) * 1990-06-06 1996-04-16 Synthes (U.S.A.) Compression drill guide
US5540697A (en) * 1993-02-12 1996-07-30 U.S. Medical Products, Inc. Prosthetic socket installation apparatus and method
US5605271A (en) * 1995-06-06 1997-02-25 Russell; Michael W. Nail driver
US5643321A (en) * 1994-11-10 1997-07-01 Innovasive Devices Suture anchor assembly and methods
US5649963A (en) * 1994-11-10 1997-07-22 Innovasive Devices, Inc. Suture anchor assembly and methods
US5662386A (en) * 1995-10-31 1997-09-02 Newman; Christopher M. Plunger-actuated surface-treating devices
US5768785A (en) * 1995-12-22 1998-06-23 Marlin Products & Manufacturing, Inc. Versatile impact-type hand tool
US5788701A (en) * 1995-12-21 1998-08-04 Johnson & Johnson Professional, Inc. Instrument system for knee prothesis implantation with universal handle or slap hammer
US5814071A (en) * 1994-11-10 1998-09-29 Innovasive Devices, Inc. Suture anchor assembly and methods
US5860978A (en) * 1990-09-25 1999-01-19 Innovasive Devices, Inc. Methods and apparatus for preventing migration of sutures through transosseous tunnels
US5875950A (en) * 1997-10-15 1999-03-02 Credo Tool Company Nail driving apparatus
US5878822A (en) * 1997-11-19 1999-03-09 Roy; Willard G. Tool with interchangeable heads
US5911721A (en) * 1990-09-25 1999-06-15 Innovasive Devices, Inc. Bone fastener
US5935129A (en) * 1997-03-07 1999-08-10 Innovasive Devices, Inc. Methods and apparatus for anchoring objects to bone
US5957953A (en) * 1996-02-16 1999-09-28 Smith & Nephew, Inc. Expandable suture anchor
US5957946A (en) * 1997-07-30 1999-09-28 Lab Medical Engineering & Manufacturing Surgical bone awl
US6474198B2 (en) * 1999-03-30 2002-11-05 Slide Sledge Technology, Inc. Slide hammer
US6527794B1 (en) 1999-08-10 2003-03-04 Ethicon, Inc. Self-locking suture anchor
US6616694B1 (en) 1996-11-21 2003-09-09 Ethicon, Inc. Apparatus for anchoring autologous or artificial tendon grafts in bone
US20040002709A1 (en) * 2002-06-28 2004-01-01 Stefan Gabriel Soft tissue repair tool
US20040064145A1 (en) * 2002-09-30 2004-04-01 Ball Robert J. Force specific impacting device
US6723107B1 (en) 1999-04-19 2004-04-20 Orthopaedic Biosystems Ltd. Method and apparatus for suturing
US20040108121A1 (en) * 1999-03-30 2004-06-10 Slide Sledge Technology, Inc. Slide hammer
US6786491B2 (en) * 2002-03-25 2004-09-07 Marc Carbonneau Quick tool coupler adapted to a sliding hammer
US20040181234A1 (en) * 2000-11-16 2004-09-16 Mcdevitt Dennis Apparatus and method for attaching soft tissue to bone
US20040245313A1 (en) * 2003-06-03 2004-12-09 Hall Thomas T. Pea shooter tool
US20050107798A1 (en) * 1999-09-08 2005-05-19 Robert Latimore Tamp assembly
US6968989B1 (en) 2005-03-21 2005-11-29 Hall Jr Thomas Manually operable device for driving nails
US20050279516A1 (en) * 2004-06-21 2005-12-22 Bryan Vipond Weed puller
US6984237B2 (en) 2002-05-22 2006-01-10 Orthopaedic Biosystems Ltd., Inc. Suture passing surgical instrument
WO2006068460A1 (en) * 2004-12-23 2006-06-29 Jolink, Lambertus, Johannes Assembly for driving in nails
US7074203B1 (en) 1990-09-25 2006-07-11 Depuy Mitek, Inc. Bone anchor and deployment device therefor
US20060225342A1 (en) * 2005-03-21 2006-10-12 R.W.H.,Llc Anchoring pin insertion unit
US20070062046A1 (en) * 2005-09-21 2007-03-22 Hsu Shin J Chisel having replaceable tip
US20070256305A1 (en) * 2006-05-04 2007-11-08 Niknak Innovations Inc. Method of separating frozen food products and frozen food product separation tool
US7325625B1 (en) * 2005-07-21 2008-02-05 Fathom Leaks, Llc Floor covering removal and impact tool
US20080033460A1 (en) * 2006-08-04 2008-02-07 Depuy Mitek, Inc. Suture Anchor System With Tension Relief Mechanism
US20080163915A1 (en) * 2007-01-08 2008-07-10 Philip Nathaniel Wobrock Stake and integrated driving tool
US20090120243A1 (en) * 2007-11-08 2009-05-14 Andres Nemeth Nail and anchor driver
US7555870B1 (en) 2002-11-25 2009-07-07 Schiltz Shawn T Stake impact and removal system
US20090194575A1 (en) * 2005-03-21 2009-08-06 R.W.H., Llc Anchoring Pin Insertion Unit and Method
WO2009115268A1 (en) * 2008-03-20 2009-09-24 Burhan Dereli Tool having a feeding motion and/or torque transmitting device
US7896907B2 (en) 1999-07-23 2011-03-01 Ethicon, Inc. System and method for attaching soft tissue to bone
US20110113929A1 (en) * 2009-11-13 2011-05-19 Normand Lemelin Impact device with interchangeable tool
US20110119853A1 (en) * 2009-11-26 2011-05-26 Yueh-Ting Chen Scraper
US20110162491A1 (en) * 2008-09-05 2011-07-07 Maxwell Derek Belsey Tools
US20110225785A1 (en) * 2010-03-17 2011-09-22 Roger Kliskey Valve punch tool
US20110259621A1 (en) * 2010-04-26 2011-10-27 Bac Industries, Inc. Slide Hammer Stake Driver
US8496705B2 (en) 1996-11-21 2013-07-30 DePuy Mitek, LLCR Method of anchoring autologous or artificial tendon grafts in bone
US9051705B1 (en) 2014-08-07 2015-06-09 Rick Rose Ground rod driving tool
US9206577B2 (en) 2011-05-11 2015-12-08 Dynamatic Solutions, Llc Impact tool assembly and method of assembling same
US9206569B1 (en) * 2014-06-05 2015-12-08 Kevin Scott Roy Ice chopper assembly
US20160158928A1 (en) * 2014-12-05 2016-06-09 Jared Scott Jones Self-Contained Force Magnifying Chisel
US9788825B2 (en) 2006-08-04 2017-10-17 Depuy Mitek, Llc Suture anchor with relief mechanism
US9861355B2 (en) 2004-06-16 2018-01-09 Smith & Nephew, Inc. Suture passing
US9888915B2 (en) 2011-02-14 2018-02-13 Smith & Nephew, Inc. Method and device for suture removal
US9936943B1 (en) 2014-08-07 2018-04-10 Nicholas MANCINI Suture passing surgical device with atraumatic grasper preventing accidental perforations

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Cited By (127)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3308003A (en) * 1962-02-16 1967-03-07 Kleer Vu Ind Inc Ultrasonic sealing apparatus
US3147484A (en) * 1962-05-28 1964-09-08 Lynn H Ewing Toe nailing device
US3729055A (en) * 1971-03-24 1973-04-24 G Burridge Tamper bar for a tamping machine
US3892029A (en) * 1972-01-24 1975-07-01 Vincent J Militello Metal decking punch and method
US3791034A (en) * 1972-03-23 1974-02-12 C Carver Hole punching tool
US4101088A (en) * 1976-09-27 1978-07-18 Stauth Tommy E Manual impact stake driving apparatus
US4241795A (en) * 1978-06-05 1980-12-30 Landry Ernest A Jr Hand powered high impact tool
US4299021A (en) * 1979-11-19 1981-11-10 Williams Luther M Axial impact tool
US4355466A (en) * 1981-02-20 1982-10-26 Quiring Michael S Punching tool having replaceable tips
US4347845A (en) * 1981-03-23 1982-09-07 Mayfield Jack K Hook inserter device
EP0086418A2 (en) * 1982-02-11 1983-08-24 Aktiebolaget Bygg- och Transportekonomi (BT) Procedure and tool for mounting elongated cylindrical elements in predrilled holes
EP0086418A3 (en) * 1982-02-11 1984-09-12 Aktiebolaget Bygg- och Transportekonomi (BT) Procedure and tool for mounting elongated cylindrical elements in predrilled holes
US4470440A (en) * 1982-09-30 1984-09-11 Thor Harry A Impact producing tool
US4649820A (en) * 1984-01-05 1987-03-17 Vance David E Hand held impact printer
US4566621A (en) * 1984-07-03 1986-01-28 Sencorp Means for associating a driver, constituting a part of a replaceable fastener containing magazine, with the driver operating mechanism of a fastener driving tool
US4662557A (en) * 1985-04-29 1987-05-05 Lee Lawrence L Guide directed hammer having speed multiplying means
US4785692A (en) * 1985-11-19 1988-11-22 Holmes Dennis W Railroad tie plug driver
US4720904A (en) * 1986-09-16 1988-01-26 Palla Jr Anthony M Hinge pin puller
US4813494A (en) * 1987-02-26 1989-03-21 Beard Larry D Stake driver
US4871214A (en) * 1987-08-06 1989-10-03 Sories Cheeking device, particularly for the hanging roof in mines, underground working points, or heading and similar
US4901712A (en) * 1988-04-22 1990-02-20 Minnesota Mining And Manufacturing Company Bone nailer
US4875612A (en) * 1988-08-05 1989-10-24 Lee Lawrence L Guided hammer
US4960064A (en) * 1989-10-17 1990-10-02 Mestas Gilbert L Land anchor for a boat
US5020400A (en) * 1989-12-26 1991-06-04 The United States Of America As Represented By The Secretary Of The Navy Wing folding tool
US5507801A (en) * 1990-06-06 1996-04-16 Synthes (U.S.A.) Compression drill guide
US6302886B1 (en) 1990-09-24 2001-10-16 Innovasive Devices, Inc. Method and apparatus for preventing migration of sutures through transosseous tunnels
US7651495B2 (en) 1990-09-24 2010-01-26 Ethicon, Inc. Methods and apparatus for preventing migration of sutures through transosseous tunnels
US20100100128A1 (en) * 1990-09-24 2010-04-22 Ethicon, Inc. Methods and apparatus for preventing migration of sutures through transosseous tunnels
US8062295B2 (en) 1990-09-24 2011-11-22 Depuy Mitek, Inc. Methods and apparatus for preventing migration of sutures through transosseous tunnels
US20050038437A1 (en) * 1990-09-24 2005-02-17 Ethicon, Inc. Methods and apparatus for preventing migration of sutures through transosseous tunnels
US6830572B2 (en) 1990-09-24 2004-12-14 Depuy Mitex, Inc. Methods and apparatus for preventing migration of sutures through transosseous tunnels
EP0557306A4 (en) * 1990-09-25 1994-06-15 Innovasive Devices Inc Bone fastener
US5268001A (en) * 1990-09-25 1993-12-07 Innovasive Devices, Inc. Bone fastener
EP0557306A1 (en) * 1990-09-25 1993-09-01 Innovasive Devices, Inc. Bone fastener
US7074203B1 (en) 1990-09-25 2006-07-11 Depuy Mitek, Inc. Bone anchor and deployment device therefor
US5968044A (en) * 1990-09-25 1999-10-19 Innovasive Devices, Inc. Bone fastener
US5860978A (en) * 1990-09-25 1999-01-19 Innovasive Devices, Inc. Methods and apparatus for preventing migration of sutures through transosseous tunnels
US5911721A (en) * 1990-09-25 1999-06-15 Innovasive Devices, Inc. Bone fastener
US5040614A (en) * 1990-11-15 1991-08-20 Charles Nash Self-operated edging tool
US5163964A (en) * 1991-06-26 1992-11-17 Zimmer, Inc. Orthopaedic prosthesis with access in collar
US5163597A (en) * 1991-10-15 1992-11-17 Napoli Jr Joseph Staple installing and removing tool
US5484443A (en) * 1992-01-03 1996-01-16 Wright Medical Technology, Inc. Instrument for inserting a protective sleeve into the medullary canal of a bone
US5540697A (en) * 1993-02-12 1996-07-30 U.S. Medical Products, Inc. Prosthetic socket installation apparatus and method
US5409300A (en) * 1994-02-23 1995-04-25 Bourgoin; Claude Mechanized scaling bar
US5814071A (en) * 1994-11-10 1998-09-29 Innovasive Devices, Inc. Suture anchor assembly and methods
US5649963A (en) * 1994-11-10 1997-07-22 Innovasive Devices, Inc. Suture anchor assembly and methods
US5797963A (en) * 1994-11-10 1998-08-25 Innovasive Devices, Inc. Suture anchor assembly and methods
US5643321A (en) * 1994-11-10 1997-07-01 Innovasive Devices Suture anchor assembly and methods
US5605271A (en) * 1995-06-06 1997-02-25 Russell; Michael W. Nail driver
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