US2235419A - Fracture nail and director - Google Patents
Fracture nail and director Download PDFInfo
- Publication number
- US2235419A US2235419A US196582A US19658238A US2235419A US 2235419 A US2235419 A US 2235419A US 196582 A US196582 A US 196582A US 19658238 A US19658238 A US 19658238A US 2235419 A US2235419 A US 2235419A
- Authority
- US
- United States
- Prior art keywords
- flange
- director
- driven
- bar
- 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
Links
- 210000000689 upper leg Anatomy 0.000 description 6
- 210000000588 acetabulum Anatomy 0.000 description 5
- 210000000988 bone and bone Anatomy 0.000 description 5
- 210000002436 femur neck Anatomy 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/74—Devices for the head or neck or trochanter of the femur
- A61B17/742—Devices for the head or neck or trochanter of the femur having one or more longitudinal elements oriented along or parallel to the axis of the neck
-
- 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
- A61B17/1604—Chisels; Rongeurs; Punches; Stamps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3403—Needle locating or guiding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/72—Intramedullary pins, nails or other devices
- A61B17/7283—Intramedullary pins, nails or other devices with special cross-section of the nail
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B2017/320052—Guides for cutting instruments
Definitions
- the present invention relates to surgical instruments, and more particularly to an instrument designed to facilitate the repair of fractures of the neck of the femur.
- fractures of this character it is desirable to rapidly connect the two ends of the fractured bone and hold them tightly together until they have knit sufficiently to retain their position.
- the present invention provides a simple flange which maybe driven into the bone to connect the parts together.
- the present invention provides a directing tool which acts to determine the length of flange needed to peg the head fragment accurately to the femur in each case.
- the director acts to keep the flange straight so that it must follow the course along which it was started until driven far enough in to lock the fractured parts together.
- the invention contemplates the provision of a simple combination of flange, director and inserter by which the flanges can be readily applied and the length of flange quickly determined.
- Fig. 1 is a perspective view illustrating the application of the director to a fractured femur
- Fig. 2 is a view similar to Fig. 1 showing the second step in the procedure where the director is used to guide the starting chisel;
- Fig. 3 illustrates the starting chisel at the limit of its depth
- Fig. 4 is a view similar to Fig. 1 showing the inserter applied and the flange partially driven in;
- Fig. 5 shows the flange driven in completely
- Fig. 6 illustrates the application of a pulling tool for removing the flange
- Fig. 7 is a perspective view illustrating the use of the inserter in the final driving operation by which the flange is seated and the fractured parts are fixed together;
- Fig. 8 is a perspective View of the director
- Fig. 9 is a sectional view taken on the line 8-8 of Fig. 8;
- Fig. 10 is a perspective view of the flange used
- r Fig. 11 is an end view of the inserter illustrating the slot provided to receive a flange.
- the fracture nail which acts as the means for pegging the bond together comprises a flange l2, shown in perspective in Fig. 10.
- This flange is p'referably made of angular stainless steel. It is strong and sharply pointed at one end, as indicated at IS. The other end is provided with a plurality of apertures l4 and I5 which may be utilized to withdraw the flange when it becomes necessary to remove it.
- the flanges are made in various lengths so as to be adapted to different bone lengths. They are also made in wide and narrow widths so that where the neck of the femur is small a narrower width flange may be used, or for the average adult with normal thickness of the femoral neck the wide flange may be used.
- the means for positioning and directing the flange comprises a director implement it.
- the director consists of a bar ll having 8. prong I8 at its tip which is adapted to be inserted in the anterior lip of the acetabulum.
- the bar ll has a driving head I9 at the end opposite the prong l8 and has a handle 20 by which it may be shifted by the operator.
- is adapted to slide lengthwise of the bar ll and to be locked in position thereon by means of a set screw 22, as will be readily apparent.
- the director includes a directing block 23 which is carried by the bracket 2!.
- This directing block comprises a guide for the flange l2 consisting of a base made up of an outturned part 25 of the bracket 2i and a complementary part 25 attached to the bracket 2! by a screw 26 and a handle 21.
- the bracket 2! also has an edge portion 28 which cooperates with suitable markings indicated at 29 on the bar I! for measuring the required length of flange.
- a prong 30 is provided on the bracket 2! and is adapted to enter the trochanter of the femur when the prong i8 is inserted into the acetabulum, as previously described.
- the markings on the bar ll will indicate, when the director is in the position shown in Fig. 1, the size number of the proper flange which will be long enough to reach the head of the femur, yet not long enough to perforate the acetabulum.
- the director block made up of the parts 23 and 23 will be sufflcient.
- having pins thereon may be placed in the directing block so as to hold the small flange and guide it correctly.
- the additional implements necessary are a starting chisel 32 (shown in Figs. 2 and 3). This starting chisel has an angle or tip 33 which is adapted to be driven through the hard cortical bone to avoid possibility of turning the edge of the flange when it is inserted.
- the starting chisel is driven in such a distance as is indicated in Fig. 3 and is then removed to permit the application of the flange.
- the flange is driven in by the use of an inserter 34 which has a head 35 shaped to flt the trochanter at the point of insertion of the flange.
- This head 33 is provided with two intersecting grooves 33 and 31 which extend into the head far enough that the end of a flange will be covered down over the openings at H and I therein.
- the inserter prevents damage to the hammer end of the flange and facilitates driving the flange since it projects out from the wound.
- the only additional implement that may be necessary is a pulling tool 38 which has a pin 39 thereon (see Fig. 6).
- the pin 39 is adapted to be inserted in one of the openings i4 and i5 for withdrawing a flange after it has been driven in.
- a head 40 is provided on the pulling tool 38 so that a hammer may be used thereon if necessary.
- the several parts of the present instrument are made of suitable metal and preferably chromium plated so as to be free from corrosion and easily cleaned.
- the procedure in using the instrument is briefly as follows: The prong it of the directing bar I! is inserted as shown in Fig. l, and the prong 30 of the bracket 21 is driven in. The set screw 22 can then be tightened to hold the bracket 2
- the starting chisel 33 is next used, as is illustrated in Figs. 2 and 3, so as to avoid the possibility of turning the edge of the flange to be used.
- the proper size flange is next placed in the directing block and the inserter 33 is used to drive the flange in about 35 its length. When the flange is driven in 95 its length, it" can no longer swerve from its proper course.
- the director is then removed and the flange is driven in completely,
- a fracture nail director comprising a pronged directing bar having a prong at one end thereof adapted to be inserted in the anterior lip of the acetabulum, a pronged directing block guided by said her, said block having a prong at one end adapted to be inserted in the trochanter of the femur, the prong on the bar being directed lengthwise of the bar, and the prong on the block being directed parallel to the bar, and means for flxing the block on the bar, the directing block having a guiding passage through which a tool such as a starting chisel or a fracture nail may be driven, said guiding passage being provided with walls directed angularly with respect to each other to receive and guide a fracture nail which is angular in cross section and an anchoring fracture nail angular in cross section adapted to be driven through said passage.
Description
March 1941- J. J. CALLAHAN EI'AL .419
FRACTURE NAIL AND DIRECTOR Filed March 18, 1938 2 Sheets-Sheet 1 March 18, 1941. J CALLAHAN L 2,235,419
FRACTURE NAIL AND DIRECTOR Filed March 18, 1938 2 Sheets-Sheet 2 CZzrZo jc'ud'eri ma! 3 I \fc'zmes JCaZZcz/zan Patented Mar. 18, 1941 PATENT OFFICE FRACTURE NAIL AND DIRECTOR James I. Callahan, Oak Park. and Carlo Scuderi, Chicago, Ill.
Application March is, 1938. Serial No. 196.582 1 Claim. (Cl. res-s3 The present invention relates to surgical instruments, and more particularly to an instrument designed to facilitate the repair of fractures of the neck of the femur. In fractures of this character it is desirable to rapidly connect the two ends of the fractured bone and hold them tightly together until they have knit sufficiently to retain their position. It has been proposed heretofore to drive a metal nail through the trochanteric bulge into and through the neck past the fracture to the head which is seated in the acetabulum. The present invention provides a simple flange which maybe driven into the bone to connect the parts together. In addition, the present invention provides a directing tool which acts to determine the length of flange needed to peg the head fragment accurately to the femur in each case. In addition, the director acts to keep the flange straight so that it must follow the course along which it was started until driven far enough in to lock the fractured parts together.
The invention contemplates the provision of a simple combination of flange, director and inserter by which the flanges can be readily applied and the length of flange quickly determined.
The features and advantages of the invention will appear more fully as the description proceeds, reference being had to the accompanying drawings, wherein a preferred form of the invention is shown. It is to be understood, however, that the description and drawings are lllustrative only, and are not to be considered as limiting the invention except insofar as it is limited by the claim.
In the drawings, Fig. 1 is a perspective view illustrating the application of the director to a fractured femur;
Fig. 2 is a view similar to Fig. 1 showing the second step in the procedure where the director is used to guide the starting chisel;
Fig. 3 illustrates the starting chisel at the limit of its depth;
Fig. 4 is a view similar to Fig. 1 showing the inserter applied and the flange partially driven in;
Fig. 5 shows the flange driven in completely;
Fig. 6 illustrates the application of a pulling tool for removing the flange;
Fig. 7 is a perspective view illustrating the use of the inserter in the final driving operation by which the flange is seated and the fractured parts are fixed together;
Fig. 8 is a perspective View of the director;
Fig. 9 is a sectional view taken on the line 8-8 of Fig. 8;
Fig. 10 is a perspective view of the flange used, and r Fig. 11 is an end view of the inserter illustrating the slot provided to receive a flange.
Referring now to the drawings, the present invention is embodied in an instrument which is composed substantially of four parts. The fracture nail which acts as the means for pegging the bond together comprises a flange l2, shown in perspective in Fig. 10. This flange is p'referably made of angular stainless steel. It is strong and sharply pointed at one end, as indicated at IS. The other end is provided with a plurality of apertures l4 and I5 which may be utilized to withdraw the flange when it becomes necessary to remove it. The flanges are made in various lengths so as to be adapted to different bone lengths. They are also made in wide and narrow widths so that where the neck of the femur is small a narrower width flange may be used, or for the average adult with normal thickness of the femoral neck the wide flange may be used.
The means for positioning and directing the flange comprises a director implement it. The director consists of a bar ll having 8. prong I8 at its tip which is adapted to be inserted in the anterior lip of the acetabulum. The bar ll has a driving head I9 at the end opposite the prong l8 and has a handle 20 by which it may be shifted by the operator. A bracket 2| is adapted to slide lengthwise of the bar ll and to be locked in position thereon by means of a set screw 22, as will be readily apparent. The director includes a directing block 23 which is carried by the bracket 2!. This directing block comprises a guide for the flange l2 consisting of a base made up of an outturned part 25 of the bracket 2i and a complementary part 25 attached to the bracket 2! by a screw 26 and a handle 21. The bracket 2! also has an edge portion 28 which cooperates with suitable markings indicated at 29 on the bar I! for measuring the required length of flange. A prong 30 is provided on the bracket 2! and is adapted to enter the trochanter of the femur when the prong i8 is inserted into the acetabulum, as previously described. The markings on the bar ll will indicate, when the director is in the position shown in Fig. 1, the size number of the proper flange which will be long enough to reach the head of the femur, yet not long enough to perforate the acetabulum. When it is desired to use the large, or wide,
type of flange, the director block made up of the parts 23 and 23 will be sufflcient. However, when a narrower flange is used, an adapter plate 3| having pins thereon may be placed in the directing block so as to hold the small flange and guide it correctly. The additional implements necessary are a starting chisel 32 (shown in Figs. 2 and 3). This starting chisel has an angle or tip 33 which is adapted to be driven through the hard cortical bone to avoid possibility of turning the edge of the flange when it is inserted.
The starting chisel is driven in such a distance as is indicated in Fig. 3 and is then removed to permit the application of the flange. The flange is driven in by the use of an inserter 34 which has a head 35 shaped to flt the trochanter at the point of insertion of the flange. This head 33 is provided with two intersecting grooves 33 and 31 which extend into the head far enough that the end of a flange will be covered down over the openings at H and I therein. The inserter prevents damage to the hammer end of the flange and facilitates driving the flange since it projects out from the wound.
The only additional implement that may be necessary is a pulling tool 38 which has a pin 39 thereon (see Fig. 6). The pin 39 is adapted to be inserted in one of the openings i4 and i5 for withdrawing a flange after it has been driven in. A head 40 is provided on the pulling tool 38 so that a hammer may be used thereon if necessary.
The several parts of the present instrument are made of suitable metal and preferably chromium plated so as to be free from corrosion and easily cleaned.
The procedure in using the instrument is briefly as follows: The prong it of the directing bar I! is inserted as shown in Fig. l, and the prong 30 of the bracket 21 is driven in. The set screw 22 can then be tightened to hold the bracket 2| in place. The director is now in position and the position of the edge 28 of the bracket will indicate the size number of the proper flange which will be long enough to reach the head of the femur, but not too long. The starting chisel 33 is next used, as is illustrated in Figs. 2 and 3, so as to avoid the possibility of turning the edge of the flange to be used. The proper size flange is next placed in the directing block and the inserter 33 is used to drive the flange in about 35 its length. When the flange is driven in 95 its length, it" can no longer swerve from its proper course. The director is then removed and the flange is driven in completely,
the head of the inserter preventing the holes in the end of the flange from being buried. A few mallet blows after the head of the inserter strikes the bone serve to impact the fractured surfaces.
From the above description it is believed that the construction and operation of this instrument will be readily apparent to those skilled in this art.
Having thus dacribed. our "invention, what we claim as new and desire to secure by Letters Patent is:
A fracture nail director comprising a pronged directing bar having a prong at one end thereof adapted to be inserted in the anterior lip of the acetabulum, a pronged directing block guided by said her, said block having a prong at one end adapted to be inserted in the trochanter of the femur, the prong on the bar being directed lengthwise of the bar, and the prong on the block being directed parallel to the bar, and means for flxing the block on the bar, the directing block having a guiding passage through which a tool such as a starting chisel or a fracture nail may be driven, said guiding passage being provided with walls directed angularly with respect to each other to receive and guide a fracture nail which is angular in cross section and an anchoring fracture nail angular in cross section adapted to be driven through said passage.
JAMES J. CALLAHAN. CARLO SCUDERI.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US196582A US2235419A (en) | 1938-03-18 | 1938-03-18 | Fracture nail and director |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US196582A US2235419A (en) | 1938-03-18 | 1938-03-18 | Fracture nail and director |
Publications (1)
Publication Number | Publication Date |
---|---|
US2235419A true US2235419A (en) | 1941-03-18 |
Family
ID=22725966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US196582A Expired - Lifetime US2235419A (en) | 1938-03-18 | 1938-03-18 | Fracture nail and director |
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US (1) | US2235419A (en) |
Cited By (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2500993A (en) * | 1945-03-07 | 1950-03-21 | Mason Christopher | Fracture fixation device |
US2536964A (en) * | 1949-05-26 | 1951-01-02 | Guidoscope Corp | Surgical or fracture nail |
US2638092A (en) * | 1950-09-15 | 1953-05-12 | William Seward | Intramedullary nail inserter |
US2645220A (en) * | 1950-03-16 | 1953-07-14 | Alfred E Gallant | Fracture nail inserter |
US4561432A (en) * | 1983-09-15 | 1985-12-31 | Floyd A. Coard, M.D. | Fractured femur fixation system |
US4697586A (en) * | 1986-06-24 | 1987-10-06 | Gazale William J | Combined chisel-guide surgical instrument |
US4852559A (en) * | 1988-04-21 | 1989-08-01 | Ira Chernoff | Device for pinning bone fractures |
EP0400062A1 (en) * | 1988-02-04 | 1990-12-05 | Pfizer Hospital Prod | Apparatus for reducing a fracture. |
US5112335A (en) * | 1989-07-11 | 1992-05-12 | Laboureau Jacques Philippe | Instrument for marking and drilling femoral and tibial insertion tunnels |
US5207753A (en) * | 1991-02-18 | 1993-05-04 | Kannivelu Badrinath | Bone fracture repair apparatus and method |
US5895389A (en) * | 1997-05-29 | 1999-04-20 | Synthes (U.S.A.) | Drilling guide and measuring instrumentation |
US6213373B1 (en) * | 1997-11-25 | 2001-04-10 | Wakai & Co., Ltd. | Plate-shaped fastener and driving jig for the same |
US6342057B1 (en) | 2000-04-28 | 2002-01-29 | Synthes (Usa) | Remotely aligned surgical drill guide |
US20020045902A1 (en) * | 1999-08-09 | 2002-04-18 | Bonutti Peter M. | Method of securing tissue |
US6379364B1 (en) | 2000-04-28 | 2002-04-30 | Synthes (Usa) | Dual drill guide for a locking bone plate |
US6409730B1 (en) | 2000-05-31 | 2002-06-25 | Synthes (Usa) | Humeral spiral blade |
US6471711B2 (en) | 1998-08-11 | 2002-10-29 | Hakko Electric Machine Works, Co. Ltd. | Device for guiding puncture needle |
US20030181800A1 (en) * | 2002-03-20 | 2003-09-25 | Bonutti Peter M. | Methods of securing body tissue |
US20050049623A1 (en) * | 2003-09-02 | 2005-03-03 | Moore Jeffrey D. | Devices and techniques for a minimally invasive disc space preparation and implant insertion |
US20050049602A1 (en) * | 2001-09-27 | 2005-03-03 | Matthias Honl | Surgical instruments |
US6869434B2 (en) * | 2002-05-08 | 2005-03-22 | Soon C. Choi | Alignment system for bone fixation |
US20050090829A1 (en) * | 2003-10-23 | 2005-04-28 | Osteotech, Inc. | Spinal bone chisels |
US20060074434A1 (en) * | 2004-09-27 | 2006-04-06 | Wenstrom Richard F Jr | Triangular handle surgical drill guide |
US20060241695A1 (en) | 2000-03-13 | 2006-10-26 | Bonutti Peter M | Method of using ultrasonic vibration to secure body tissue with fastening element |
US20080195145A1 (en) * | 2007-02-13 | 2008-08-14 | Bonutti Peter M | Tissue fixation system and method |
US20090024161A1 (en) * | 2006-02-07 | 2009-01-22 | Bonutti Peter M | Methods and devices for utilizing thermal energy to bond, stake and/or remove implants |
US20110060375A1 (en) * | 2004-10-26 | 2011-03-10 | Bonutti Peter M | Expandable introducer system and methods |
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US8845687B2 (en) | 1996-08-19 | 2014-09-30 | Bonutti Skeletal Innovations Llc | Anchor for securing a suture |
US9060767B2 (en) | 2003-04-30 | 2015-06-23 | P Tech, Llc | Tissue fastener and methods for using same |
US9089323B2 (en) | 2005-02-22 | 2015-07-28 | P Tech, Llc | Device and method for securing body tissue |
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US9173647B2 (en) | 2004-10-26 | 2015-11-03 | P Tech, Llc | Tissue fixation system |
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US10076377B2 (en) | 2013-01-05 | 2018-09-18 | P Tech, Llc | Fixation systems and methods |
US11246638B2 (en) | 2006-05-03 | 2022-02-15 | P Tech, Llc | Methods and devices for utilizing bondable materials |
US11253296B2 (en) | 2006-02-07 | 2022-02-22 | P Tech, Llc | Methods and devices for intracorporeal bonding of implants with thermal energy |
US11278331B2 (en) | 2006-02-07 | 2022-03-22 | P Tech Llc | Method and devices for intracorporeal bonding of implants with thermal energy |
-
1938
- 1938-03-18 US US196582A patent/US2235419A/en not_active Expired - Lifetime
Cited By (110)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2500993A (en) * | 1945-03-07 | 1950-03-21 | Mason Christopher | Fracture fixation device |
US2536964A (en) * | 1949-05-26 | 1951-01-02 | Guidoscope Corp | Surgical or fracture nail |
US2645220A (en) * | 1950-03-16 | 1953-07-14 | Alfred E Gallant | Fracture nail inserter |
US2638092A (en) * | 1950-09-15 | 1953-05-12 | William Seward | Intramedullary nail inserter |
US4561432A (en) * | 1983-09-15 | 1985-12-31 | Floyd A. Coard, M.D. | Fractured femur fixation system |
US4697586A (en) * | 1986-06-24 | 1987-10-06 | Gazale William J | Combined chisel-guide surgical instrument |
US5122146A (en) * | 1988-02-04 | 1992-06-16 | Pfizer Hospital Products Group, Inc. | Apparatus for reducing a fracture |
EP0400062A1 (en) * | 1988-02-04 | 1990-12-05 | Pfizer Hospital Prod | Apparatus for reducing a fracture. |
EP0400062A4 (en) * | 1988-02-04 | 1991-03-20 | Pfizer Hospital Products, Inc. | Apparatus for reducing a fracture |
US4852559A (en) * | 1988-04-21 | 1989-08-01 | Ira Chernoff | Device for pinning bone fractures |
US5112335A (en) * | 1989-07-11 | 1992-05-12 | Laboureau Jacques Philippe | Instrument for marking and drilling femoral and tibial insertion tunnels |
US5324296A (en) * | 1989-07-11 | 1994-06-28 | Laboureau Jacques Philippe | Surgical ancillary instrument for the marking and drilling of femoral and tibial insertion tunnels in a new knee ligament |
US5207753A (en) * | 1991-02-18 | 1993-05-04 | Kannivelu Badrinath | Bone fracture repair apparatus and method |
US8845687B2 (en) | 1996-08-19 | 2014-09-30 | Bonutti Skeletal Innovations Llc | Anchor for securing a suture |
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US6213373B1 (en) * | 1997-11-25 | 2001-04-10 | Wakai & Co., Ltd. | Plate-shaped fastener and driving jig for the same |
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