US2702550A - Surgical instrument - Google Patents

Surgical instrument Download PDF

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Publication number
US2702550A
US2702550A US394427A US39442753A US2702550A US 2702550 A US2702550 A US 2702550A US 394427 A US394427 A US 394427A US 39442753 A US39442753 A US 39442753A US 2702550 A US2702550 A US 2702550A
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shaft
end
blade
body
slot
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US394427A
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Kenneth R Rowe
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ORTHOPEDIC FRAME Co
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ORTHOPEDIC FRAME Co
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/14Surgical saws ; Accessories therefor
    • A61B17/142Surgical saws ; Accessories therefor with reciprocating saw blades, e.g. with cutting edges at the distal end of the saw blades

Description

Feb. 22, 1955 K. R. ROWE 2,702,550

SURGICAL INSTRUMENT Filed Nov. 25, 1955 IN V EN TOR.

United States Patent SURGICAL INSTRUMENT Kenneth R. Rowe, Kalamazoo, Mich., assiguor to Orthopedic Frame Company, Kalamazoo, Mich.

Application November 25, 1953, Serial No. 394,427

8 Claims. (Cl. 128317) This invention relates to improvements in surgical saws or implements.

The principle objects of this invention are:

First, to provide a power driven oscillating cutting implement of such small size as to be highly practical in performing surgery in confined spaces.

Second, to provide a rapidly oscillating saw on a long narrow mounting that permits the saw to be inserted into the nasal passages for cutting boney structure of the nose without damaging the soft membranes of the nose.

Third, to provide a surgical implement which is simple to construct and use and which is light and small enough for its intended purpose.

Fourth, to provide a novel oscillating drive for the blade of a surgical implement.

Other objects and advantages of the invention will be apparent from the consideration of the following description and claims.

The drawings, of which there is one sheet, illustrate a highly practical form of the implement.

Fig. 1 is a fragmentary side elevational view of the implement with portions broken away in cross section.

Fig. 2 is a fragmentary exploded view of elements of the implement with the elements shown in longitudinal cross section.

Fig. 3 is an enlarged fragmentary longitudinal cross sectional view through the outer end of the implement taken along the plane of the line 3--3 in Fig. 4.

Fig. 4 is an enlarged fragmentary longitudinal cross sectional view taken at right angles to Fig. 3 and along the plane of the line 4-4 in Fig. 3.

Fig. 5 is an enlarged view similar to Fig. 3 but illustrates the implement blade in its extreme oscillated positions.

The implement comprises a cylindrical body 1 having an internally threaded outer end 2 which receives a head 3. A long narrow tubular neck 4 is formed on the outer end of the head and is diametrically and longitudinally slotted as at 5. The inner or lower end of the body as illustrated in the drawings is internally threaded as at 6 to receive a coupling member 7 for a fiexible drive shaft 8 which extends to and is driven by a high speed motor 9.

The interior of the body 1 is provided with bearings 10 which rotatably support a drive shaft 11 extending axially through the body. The inner or lower end of the drive shaft extends from the body and is longitudinally slotted as at 12 to be received in the coupling 7 and be connected to the rotating element of the flexible shaft 8. The opposite end of the drive shaft 11 consists of an elongated rotating rod 13 having an axially beveled outer end 14. The rod 13 extends in laterally supported relation through the elongated neck 4 and projects into the slot 5 as is most clearly illustrated in Figs. 3 to 5.

The sides of the tube 4 on opposite sides of the slot 5 are pierced to receive a hardened rivet 15 that is permanently fixed in the sides of the tube and bridges the slot 5. The rivet 15 intersects the axis of rotation of the rod 13 at right angles and forms a pivotal support for a segmental saw blade 16. The sides of the blade 16 have thickened hub portions 17 which laterally support the blade from the inner sides of the slot 5. The inner side edge of the blade 16 is provided with a chordally extending portion 18 disposed generally perpendicular to the axis of the neck 4 and rod 13. This edge 18 is further axially beveled on each side as at 19 as is best illustrated in Fig. 4. The edge 18 is positioned by the pivot 15 in engagement with the beveled end of the rod 13.

2,702,550 Patented Feb. 22, 1955 "ice When the beveled end of the drive rod 13 is disposed with the bevel facing to either side of the plane of the blade 16 the bevel of the drive rod meets with the bevel 19 of the chordal edge of the blade and the blade assumes a neutral or immediate position as is illustrated in Figs. 3 and 4. However, as the projecting tip of the beveled end of the drive rod rotates into upwardly or downwardly facing position the projecting edge of the drive rod moves across the chordal edge 18 of the blade and tilts the edge forwardly or backwardly as is shown in Fig. 5 to oscillate the blade.

Desirably the motor 9 or other driving element for the shaft 11 is designed to operate at 12,000 R. P. M. so that the blade will oscillate or reverse its direction of movement 24,000 times per minute. The relatively short stroke of the oscillating blade when the blade is toothed prevents it from cutting or damaging the soft tissues which yield or move with the teeth rather than being cut by the teeth. However, the rapidly oscillating movement of the blade functions to cut solid boney structure with ease when the blade is pressed against the hard surface.

It is deemed desirable that the shaft 11 should rotate at least 6,500 R. P. M. when the implement is used to cut bone or boney structure.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:

1. A surgical saw comprising, a tubular body having a shaft journaled therein and projecting from each end thereof, a coupling member threaded into one end of said body and adapted to facilitate connection of a rotating drive shaft to said first shaft, a head threadedly engaged with the other end of said body and having an elongated narrow tubular neck embracing and laterally supporting the projecting other end of said first shaft, the outer end of said neck being axially slotted and having a fixed pivot extending between the sides of the slot, said other end of said first shaft being axially beveled and projecting into said slot, and a segmental saw blade rotatably mounted on said pivot and having a toothed portion projecting from the side of said neck, said saw blade having a chordally extending edge opposed to and engaging the end of said first shaft, said chordal edge being beveled on opposite sides axially of said neck.

2. A surgical saw comprising, a tubular body having a shaft journaled therein and projecting from each end thereof, a coupling member connected to one end of said body and adapted to facilitate connection of a rotating drive shaft to said first shaft, a head engaged with the other end of said body and having an elongated narrow tubular neck embracing and laterally supporting the proecting other end of said shaft, the outer end of said neck being axially slotted and having a pivot extending between the sides of the slot, said other end of said first shaft being axially beveled and projecting into said slot, and a segmental saw blade rotatably mounted on said pivot and having a toothed portion projecting from the side of said neck, said saw blade having a chordally extending edge opposed -to and engaging the end of said first shaft, said chordal edge being beveled on opposite sides axially of said neck.

3. surgical saw comprising, a tubular body having a shaft ournaled therein and projecting from each end thereof, means for connecting of a rotating drive shaft to said first shaft, a head on the other end of said body and havlng an elongated narrow tubular neck embracing and laterally supporting the projecting other end of said first shaft, the outer end of said neck being axially slotted and havlng a pivot extending between the sides of the slot, the other end of said first shaft being axially beveled and projecting into said slot, and a segmental saw blade rotatably mounted on said pivot and having a toothed portion projecting from said neck, said saw blade having a chordally extending edge opposed to and engaging the end of the first shaft, said chordal edge being beveled on opposite sides axially of said neck.

4. An instrument comprising, a tubular body having a shaft journaled therein and projecting from each end thereof, means for connecting a rotating drive shaft to said first shaft, a head on the other end of said body and hav- 1ng an elongated narrow tubular neck embracing and laterally supporting the projecting other end of said first shaft, the outer end of said neck being axially slotted and having a pivot extending between the sides of the slot, the other end of said first shaft being axially beveled and projecting into said slot, and a blade rotatably mounted on said pivot and having a toothed portion projecting from said neck, said blade having a chordally extending edge opposed to and engaging the end of said first shaft.

5. An instrument comprising, a body having a driven shaft journaled therein, an elongated narrow tubular extension on said body embracing and laterally supporting said shaft, the outer end of said extension being axially slotted and having a pivot extending between the sides of the slot, the outer end of said shaft being axially beveled and projecting into said slot, and a blade rotatably mounted on said pivot and having a toothed portion projecting from the side of said extension, said blade having a chordally extending edge opposed to and engagingthe end of said first shaft, said chordal edge being beveled on opposite sides axially of said extension.

6. An instrument comprising, a body having a driven shaft'journaled therein, a tubular extension on said body embracing and laterally supporting said shaft, the outer end of said extension being axially slotted and having a pivot extending between the sides of the slot, the outer end of said first shaft being axially beveled and projecting into said slot, and a blade rotatably mounted on said pivot and having a toothed portion projecting from said neck, said blade having a chordally extending edge opposedto and engaging the end of said shaft.

7. An instrument comprising, a body, a shaft journaled in said body, a flexible drive shaft connected to one end of said first shaft, a motor connected to said flexible shaft to drive said first shaft at about 12,000 R. P. M., an elongated narrow neck on said body embracing the other end of said first shaft, the outer end of said neck on said body having a transversely and longitudinally extending slot formed therein, the other end of said first shaft being axially beveled and extending into said slot, a pivot in said slot disposed in transversely intersecting relation to the'axis of said first shaft, a blade rotatable on said pivot, and a chordally extendingedge on said blade opposed to and engaged by the beveled end of said first shaft, said ghordally extending edge being beveled axially of said ody.

8. An instrument comprising, a body, a shaft journaled in said body, a motor connected to drive said shaft in excess of 6,500 R. P. M., the outer end of said body having a transversely and longitudinally extending slot formed,

therein, the other end of said shaft being axially beveled and extending into said slot, a pivot in said slot disposed in transversely intersecting relation to the axis of said shaft, a blade rotatable on said pivot, and a chordally extending edge on said blade opposed to and engaged by the'beveled end of said shaft.

No references cited.

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Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2854981A (en) * 1957-02-18 1958-10-07 Orthopedic Frame Company Surgical instrument
US3468312A (en) * 1963-03-27 1969-09-23 Orthopedic Equipment Co Inc Th Method and instrument for cutting or severing a bone from the bone's inside
US3472229A (en) * 1967-06-15 1969-10-14 Orthopedic Equipment Co Instrument and method for cutting or severing a bone from the inside thereof
US3678934A (en) * 1970-08-13 1972-07-25 Stryker Corp Power osteotome
US3905374A (en) * 1974-01-28 1975-09-16 American Sterilizer Co Knee osteotomy blade
US3952412A (en) * 1975-03-28 1976-04-27 Rhodes William A Oscillatory saw
US4955888A (en) * 1989-07-24 1990-09-11 Slocum D Barclay Biradial saw
US5443475A (en) * 1990-11-09 1995-08-22 Arthrotek, Inc. Surgical instrument
US5591170A (en) * 1994-10-14 1997-01-07 Genesis Orthopedics Intramedullary bone cutting saw
US20040138670A1 (en) * 2003-01-15 2004-07-15 Robert Metzger Method and apparatus for less invasive knee resection
US20040162563A1 (en) * 2000-12-14 2004-08-19 Michelson Gary K. Spinal interspace shaper
US6860886B1 (en) * 1999-08-19 2005-03-01 Hee-Young Lee Reciprocating surgical tool for use at variable angles and in multiple directions
US20050113840A1 (en) * 2003-01-15 2005-05-26 Robert Metzger Method and apparatus for less invasive knee resection
US20050149042A1 (en) * 2003-01-15 2005-07-07 Robert Metzger Instrumentation for knee resection
US20060009796A1 (en) * 2004-07-09 2006-01-12 Steven Carusillo Surgical sagittal saw and method of using same
US20060100633A1 (en) * 1998-06-09 2006-05-11 Michelson Gary K Method for preparing a space in bone to receive an insert
US20060142774A1 (en) * 2003-01-15 2006-06-29 Biomet Manufacturing Corp. Instrumentation for knee resection
WO2007030793A2 (en) * 2005-09-10 2007-03-15 Stryker Corporation Surgical sagittal saw with indexing head and toolless blade coupling assembly for actuating an oscillating tip saw blade and oscillating tip saw blade with self cleaning head
US20070083209A1 (en) * 2005-09-23 2007-04-12 Synvasive Technology Transverse acting surgical saw blade
US20070233140A1 (en) * 2006-02-27 2007-10-04 Biomet Manufacturing Corp. Femoral adjustment device and associated method
US20070282451A1 (en) * 2006-05-31 2007-12-06 Biomet Manufacturing Corp. Prosthesis and implementation system
US20080243125A1 (en) * 2007-03-26 2008-10-02 Guzman Jose F System, apparatus, and method for cutting bone during an orthopaedic surgical procedure
US20080312659A1 (en) * 2006-02-27 2008-12-18 Biomet Manufacturing Corp. Patient specific alignment guide and inter-operative adjustment
US7488324B1 (en) 2003-12-08 2009-02-10 Biomet Manufacturing Corporation Femoral guide for implanting a femoral knee prosthesis
US20090088674A1 (en) * 2007-09-30 2009-04-02 James Caillouette Method and system for designing patient-specific orthopaedic surgical instruments
US20090088755A1 (en) * 2007-09-30 2009-04-02 Chris Aker Customized Patient-Specific Instrumentation for Use in Orthopaedic Surgical Procedures
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US7695479B1 (en) 2005-04-12 2010-04-13 Biomet Manufacturing Corp. Femoral sizer
US20100185202A1 (en) * 2009-01-16 2010-07-22 Lester Mark B Customized patient-specific patella resectioning guide
US20100292701A1 (en) * 2009-05-12 2010-11-18 Synvasive Technology, Inc. Surgical saw blade device and system
US20110106092A1 (en) * 2009-11-02 2011-05-05 Synvasive, Inc. Bone positioning device and method
US20120144676A1 (en) * 2010-12-14 2012-06-14 Richard Davidian Multi-blade accessories
US9095352B2 (en) 2009-11-02 2015-08-04 Synvasive Technology, Inc. Bone positioning device and method
US9168188B2 (en) 2007-11-13 2015-10-27 Orthopediatrics Corporation Cast removal system
AU2013205322B2 (en) * 2005-09-10 2015-11-26 Stryker Corporation Surgical sagittal saw blade with a blade bar and a pivoting blade head, the blade bar having outwardly tapered sides
US9381315B2 (en) 2012-10-26 2016-07-05 Martin Chin Apparatus and method for oral and maxillofacial surgery and preoperative modeling
US9700329B2 (en) 2006-02-27 2017-07-11 Biomet Manufacturing, Llc Patient-specific orthopedic instruments
US9743935B2 (en) 2011-03-07 2017-08-29 Biomet Manufacturing, Llc Patient-specific femoral version guide
US9795399B2 (en) 2006-06-09 2017-10-24 Biomet Manufacturing, Llc Patient-specific knee alignment guide and associated method
US9913734B2 (en) 2006-02-27 2018-03-13 Biomet Manufacturing, Llc Patient-specific acetabular alignment guides
US9968376B2 (en) 2010-11-29 2018-05-15 Biomet Manufacturing, Llc Patient-specific orthopedic instruments
US10159498B2 (en) 2008-04-16 2018-12-25 Biomet Manufacturing, Llc Method and apparatus for manufacturing an implant
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Cited By (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2854981A (en) * 1957-02-18 1958-10-07 Orthopedic Frame Company Surgical instrument
US3468312A (en) * 1963-03-27 1969-09-23 Orthopedic Equipment Co Inc Th Method and instrument for cutting or severing a bone from the bone's inside
US3472229A (en) * 1967-06-15 1969-10-14 Orthopedic Equipment Co Instrument and method for cutting or severing a bone from the inside thereof
US3678934A (en) * 1970-08-13 1972-07-25 Stryker Corp Power osteotome
US3905374A (en) * 1974-01-28 1975-09-16 American Sterilizer Co Knee osteotomy blade
US3952412A (en) * 1975-03-28 1976-04-27 Rhodes William A Oscillatory saw
US4955888A (en) * 1989-07-24 1990-09-11 Slocum D Barclay Biradial saw
US5443475A (en) * 1990-11-09 1995-08-22 Arthrotek, Inc. Surgical instrument
US5649947A (en) * 1990-11-09 1997-07-22 Arthrotek, Inc. Surgical instrument
US5591170A (en) * 1994-10-14 1997-01-07 Genesis Orthopedics Intramedullary bone cutting saw
US20060100633A1 (en) * 1998-06-09 2006-05-11 Michelson Gary K Method for preparing a space in bone to receive an insert
US8066707B2 (en) * 1998-06-09 2011-11-29 Warsaw Orthopedic, Inc. Method for preparing a space in bone to receive an insert
US8317794B2 (en) 1998-06-09 2012-11-27 Warsaw Orthopedic, Inc. Device for preparing a space in bone to receive an insert
US6860886B1 (en) * 1999-08-19 2005-03-01 Hee-Young Lee Reciprocating surgical tool for use at variable angles and in multiple directions
US8377063B2 (en) 2000-12-14 2013-02-19 Warsaw Orthopedic, Inc. Method for preparing a space in the human spine
US7611514B2 (en) 2000-12-14 2009-11-03 Warsaw Orthopedic, Inc. Spinal interspace shaper
US20040162563A1 (en) * 2000-12-14 2004-08-19 Michelson Gary K. Spinal interspace shaper
US20110172770A1 (en) * 2000-12-14 2011-07-14 Michelson Gary K Method for preparing a space in the human spine
US7918855B2 (en) 2000-12-14 2011-04-05 Warsaw Orthopedic, Inc. Spinal interspace shaper
US20100094299A1 (en) * 2000-12-14 2010-04-15 Michelson Gary K Spinal interspace shaper
US9693788B2 (en) 2003-01-15 2017-07-04 Biomet Manufacturing, Llc Instrumentation for knee resection
US7887542B2 (en) 2003-01-15 2011-02-15 Biomet Manufacturing Corp. Method and apparatus for less invasive knee resection
US20100318089A1 (en) * 2003-01-15 2010-12-16 Robert Metzger Method and apparatus for less invasive knee resection
US9023053B2 (en) 2003-01-15 2015-05-05 Biomet Manufacturing, Llc Instrumentation for knee resection
US8870883B2 (en) 2003-01-15 2014-10-28 Biomet Manufacturing, Llc Method for less invasive knee resection
US20060142774A1 (en) * 2003-01-15 2006-06-29 Biomet Manufacturing Corp. Instrumentation for knee resection
US20110130762A1 (en) * 2003-01-15 2011-06-02 Biomet Manufacturing Corp. Method for Less Invasive Knee Resection
US20040138670A1 (en) * 2003-01-15 2004-07-15 Robert Metzger Method and apparatus for less invasive knee resection
US8551100B2 (en) 2003-01-15 2013-10-08 Biomet Manufacturing, Llc Instrumentation for knee resection
US8518047B2 (en) 2003-01-15 2013-08-27 Biomet Manufacturing, Llc Method and apparatus for less invasive knee resection
US20050149042A1 (en) * 2003-01-15 2005-07-07 Robert Metzger Instrumentation for knee resection
US20050113840A1 (en) * 2003-01-15 2005-05-26 Robert Metzger Method and apparatus for less invasive knee resection
US7789885B2 (en) * 2003-01-15 2010-09-07 Biomet Manufacturing Corp. Instrumentation for knee resection
US7837690B2 (en) 2003-01-15 2010-11-23 Biomet Manufacturing Corp. Method and apparatus for less invasive knee resection
US20090149859A1 (en) * 2003-12-08 2009-06-11 Biomet Manufacturing Corp. Femoral Guide For Implanting A Femoral Knee Prosthesis
US8834486B2 (en) 2003-12-08 2014-09-16 Biomet Manufacturing, Llc Femoral guide for implanting a femoral knee prosthesis
US7488324B1 (en) 2003-12-08 2009-02-10 Biomet Manufacturing Corporation Femoral guide for implanting a femoral knee prosthesis
US8123758B2 (en) 2003-12-08 2012-02-28 Biomet Manufacturing Corp. Femoral guide for implanting a femoral knee prosthesis
US8403932B2 (en) 2004-07-09 2013-03-26 Stryker Corporation Integrated cutting guide and sagittal saw blade assembly
US20110208197A1 (en) * 2004-07-09 2011-08-25 Steven Carusillo Integrated cutting guide and sagittal saw blade assembly
US7497860B2 (en) 2004-07-09 2009-03-03 Stryker Corporation Surgical sagittal saw including a handpiece and a removable blade assembly, the blade assembly including a guide bar, a blade head capable of oscillatory movement and a drive rod for actuating the blade head
US20090138017A1 (en) * 2004-07-09 2009-05-28 Steven Carusillo Surgical sagittal saw blade including a guide bar, a blade head and drive rods for pivoting the blade head
US20060009796A1 (en) * 2004-07-09 2006-01-12 Steven Carusillo Surgical sagittal saw and method of using same
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US9848887B2 (en) 2004-07-09 2017-12-26 Stryker Corporation Integrated cutting guide and surgical saw blade assembly, the cutting guide including a moveable head that constrains the movement of the blade assembly
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US20070119055A1 (en) * 2005-09-10 2007-05-31 Walen James G Surgical sagittal saw with indexing head and toolless blade coupling assembly for actuating an oscillating tip saw blade and oscillating tip saw blade with self cleaning head
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US9445822B2 (en) 2005-09-10 2016-09-20 Stryker Corporation Method of assembling the oscillating assembly of a surgical sagittal saw
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