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Dental tool

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Publication number
US3368280A
US3368280A US53672966A US3368280A US 3368280 A US3368280 A US 3368280A US 53672966 A US53672966 A US 53672966A US 3368280 A US3368280 A US 3368280A
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Prior art keywords
tool
end
distal
work
portion
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Expired - Lifetime
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Charles M Friedman
Richman Bruce
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C AND B Inc
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C AND B Inc
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/20Power-driven cleaning or polishing devices using ultrasonics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/07Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with vibratory drive, e.g. ultrasonic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • B23Q1/0018Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means
    • B23Q1/0027Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means between moving parts between which an uninterrupted energy-transfer connection is maintained
    • B23Q1/0036Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means between moving parts between which an uninterrupted energy-transfer connection is maintained one of those parts being a tool

Description

Feb. 13, 1968 c. M. FRIEDMAN ETAL 3,368,280

DENTAL TOOL 2 Sheets-Sheet l Filed March 23, 1966 DENTAL TOOL Filed March 23, 1966 2 Sheets-Sheet 2 ATTORNEY 3,368,280 Patented Feb. 13, 1968 3,368,280 DENTAL TOOL Charles M. Friedman, Hollywood, and Bruce Richman, Miami, Fla., assignors, by mesne assignments, to C & B, Inc., North Miami Beach` Fla.

Filed Mar. 23, 1966, Ser. No. 536,729 Claims. (Cl. 'S2-58) This invention relates to ultrasonic dental tools and, more particularly, this invention relates to a cleaning tool adapted to be connected to an ultrasonically vibrated work tool holder having fluid conduit means associated therewith, the said work tool having a fluid path through the shank thereof to provide huid flow to the distal end thereof.

It is an object of this invention to provide a work tool for an ultrasonic dental tool having a fluid path therethrough arranged to direct fluid flow passing through the shank of the tool to the distal end thereof to cool the distal end of the tool and to How particles dislodged by the working end of the tool away from the tool.

In accordance with these and other objects which will become apparent hereinafter, the instant invention will now be described with reference to the accompanying drawings illustrating a preferred embodiment thereof.

In the drawings:

FIG. 1 is a side elevation view of an ultrasonic dental tool and having the work tool mounted thereto;

FIG. 2 is a view similar to that of FIG. 1 which has been foreshortened and broken away to illustrate the instant invention;

FIG. 3 is a view in cross section taken along the plane indicated by the line 3 3 of FIG. 2 and looking in the direction of the arrows;

FIG. 4 is a plan view of the dental tool portion of FIG. 2;

FIG. 5 is an alternative view of a dental tool similar to that of the one shown in FIGS. 2, 3 and 4 and illustrating an alternative embodiment of the instant invention;

FIGS. 6a through f are plan `views to indicate the method of construction of a preferred embodiment of the dental tool.

Referring to the drawings, wherein like reference characters designate like or corresponding parts throughout the different views, and referring particularly to FIG. l, the numeral 1l generally designates an ultrasonic tool for vibrating a work tool 12 which is mounted so that it is at all times exterior of the housing 14 of the said ultrasonic tool 1l.. As is apparent from FIG. 2, the said device 11 includes a tool holder 15 which comprises a laminated stack of electromagnetic material 16 arranged within a coil 18 circurnposed on a jacket 20 and being connected to a transformer 22. The transformer is supported by O-ring means in the area designated 24 in the nose portion of the tubular housing and the transformer and coil and nose 26 are secured therein by a fastening means 28. It will be noted that a fluid path is provided through the main housing and that, in the embodiment shown, a fluid path is provided through the transformer or connecting body, the said fluid path comprising a radial passageway 32 which communicates with an axial passageway 34 to provide a path which is through the center of the circumferential nodal point area mounting for the transformer. The said axial passageway extends to the distal end 4t) of the transformer. The distal end of the transformer is preferably provided with a threaded recess 42 into which a work tool 12 is threadably positioned in male and female relation. In the embodiments of FIGS. 2, 3 and 4, the work tool includes a shank 44 having a central axial bore 46 in the epd 48 which is adapted to be received in the distal end of the transformer, and a rst and a second bore 49 and 50 in the other end, the said first bore providing a seat for a tubular portion of a tool having a distal flattened end 52 and a dog leg bend 54 intermediate the ends thereof. The said second passageway communicates with an axial passageway leading into the fluid passage of the transformer so that the fluid flow through the device may be directed so as to impnge on the distal end of the work tool being projected through the air by fluid pressure so that the projectory of the water or fluid flow is across or in bridging relation to that of the dog leg.

In the alternative embodiment of FIG. 5, the work tool includes a main portion which is adapted to be threadably engaged in the distal end of the transformer and a tubular work tool which is provided with a dog leg intermediate a first and a second end. In FIG. 5 corA responding parts to the embodiment of FIGS. 2-5 have been designated by prime marks for clarity. The first end or the working end is flattened to a suitable configuration while the other end is arranged for insertion in the distal end of the shank portion. A passageway is provided through the shank portion so that fluid flow will impinge on the distal end of the work tool in substantially the same manner as that set forth in the foregoing description with reference to FIGS. 2, 3 and 4.

A preferred work tool is shown in FIGS. 6a through f. The structure of the work tool of FIG. of will best be understood following the description in this paragraph with respect to its construction. Referring to FIG. 6a, a piece of tubular stock 62 is provided and, as shown in FIG. 6b, is provided with a first main portion 64 and a second portion 66 of reduced diameter. The first main portion is provided with a threaded tip 68 of reduced diameter and the other end 70 is then flattened to deline a paddle type surface. An axial hole 72 is provided from the threaded end substantiall)r to a point '74 intermediate the length of the second portion and, from the flattened portion, a smaller axial hole 76 is drilled to meet the aforesaid hole 72. Thereafter, the tool is configured or bent so that the flattened distal end is at the proper location which is desired with respect to the other end, it being noted that the degree of bending is such so as not to constrict the fluid passageway through the tool.

It will be apparent that the instant invention provides, especially in the preferred embodiment, a simple and practical work tool adapted to be mounted to an ultrasonic dental tool and provide a cooling spray to the distal end which will serve the additional function of floating away particles dislodged by the functional effect of the said tool.

While the instant invention has been shown and described herein in what is conceived to be the most practical and preferred embodiment, it is recognized that departures may be made therefrom within the scope of the invention, which is therefore not to be limited to the details disclosed herein, but is to be accorded the full scope of the claims so as to embrace any and all equivalent apparatus and articles.

What is claimed is:

1. A work tool for an ultrasonic dental device comprising a shank portion adapted to be connected to a connecting body in the device and a single portion projecting from the shank and terminating in an angled distal work tool end, said shank having a fluid path therethrough with a mouth arranged to direct a stream of water flowing through the shank to impinge on the distal end.

2. A work tool as set forth in claim 2 wherein the said shank is provided with a rst and a second recess, the said first recess comprising a seat to hold the portion and the second recess comprising a through bore to communicate with an axial bore in the shank of the tool, whereby n stream of water is adapted to he directed to the second bore to impinge on the distal end of the tool.

3. A work tool as set forth in claim 2 wherein said angled tool end is formed by :1 dog leg bend intermediate the distal end and its connection to the shank so that the stream of witter bridges the dog leg in light to impinge on the distal end.

4. A work tool as set forth in claim 2 wherein a uid path is provided internally through some of the length of the portion with the month of the uid path opening such that water flowed under pressure through the shank will impinge on the distal end.

5` A worl; tool as set forth in claim 2 wherein the said shank is provided with an exteriorly threaded end to connect to an ultrasonic dental tool and the portion s provided with a nttened distal end which is olset with respect to the axial Center line of the shank and :1 first axial bore from the threaded end to :t point intermediate the length of the portion and a second axial bore from the flattened distal end and of n diameter less than that of the first axial bore, said axial bores being in open communication with one another to provide a uid path through the shank and portion.

References Cited UNITED STATES PATENTS 1,945,810 2/1934 Holtz 29-81 X 2,792,674 5/1957 Balamnth et nl 51--59 2,874,470 'H1959 Richards 32-58 2,990,616 7/1961 Balamuth et al 32-26 LOUIS G. MANCENE, Prnmry Examiner.

R. E. MORGAN, Assistant Examiner.

(SEAL) Attest! W Edward M. Fletcher, Jr.

Attesting Officer UNITED STATES PATENT OFFICE CERTIFICATE 0F CORRECTIGN Patent No 3 ,368 ,280 February 13 1968 Charles M. Friedman et a1.

It is hereby certified that error appears n the above numbered patent requiring correction and that the said Letters Patent should read as corrected below.

Column Z, line 68 and column 3, lines 3, 8 and 13, for the claim reference numeral "2", each occurrence, read 1 Signed and sealed this 6th day of May 1969.

Comm ssioner of Patents

Claims (1)

1. A WORK TOOL FOR AN ULTRASONIC DENTAL DEVICE COMPRISING A SHANK PORTION ADAPTED TO BE CONNECTED TO A CONNECTING BODY IN THE DEVICE AND A SINGLE PORTION PROJECTING FROM THE SHANK AND TERMINATING IN AN ANGLED DISTAL WORK TOOL END, SAID SHANK HAVING A FLUID PATH THERETHROUGH WITH A MOUTH ARRANGED TO DIRECT A STREAM OF WATER FLOWING THROUGH THE SHANK TO IMPINGE ON THE DISTAL END.
US3368280A 1966-03-23 1966-03-23 Dental tool Expired - Lifetime US3368280A (en)

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Cited By (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1916507A1 (en) * 1968-04-01 1969-10-30 Goof Sven Karl Lennart Zahnaerztliches Ultraschallgeraet
US3488851A (en) * 1968-04-18 1970-01-13 Zoltan Haydu Ultrasonic devices
US3518766A (en) * 1969-01-30 1970-07-07 Emanuel Burt Piezoelectric cleaning device with removable workpiece
US3565062A (en) * 1968-06-13 1971-02-23 Ultrasonic Systems Ultrasonic method and apparatus for removing cholesterol and other deposits from blood vessels and the like
US3645255A (en) * 1970-02-02 1972-02-29 Hydrosonic Corp Ultrasonic tooth-cleaning apparatus
US3654502A (en) * 1970-06-24 1972-04-04 Countronic Corp Ultrasonic tool
US3703037A (en) * 1970-06-25 1972-11-21 Seymour Robinson Ultrasonic dental hand-piece with detachable treatment tools
US3809977A (en) * 1971-02-26 1974-05-07 Ultrasonic Systems Ultrasonic kits and motor systems
DE2508175A1 (en) * 1974-03-19 1975-10-09 Cavitron Corp Ultrasonic apparatus and methods for use around a flowing medium in an ultrasonic device and in a work area projecting around the die of the device
US3930173A (en) * 1971-06-15 1975-12-30 Surgical Design Corp Ultrasonic transducers
USRE28752E (en) * 1971-02-26 1976-03-30 Ultrasonic Systems, Inc. Ultrasonic kits and motor systems
US4012647A (en) * 1974-01-31 1977-03-15 Ultrasonic Systems, Inc. Ultrasonic motors and converters
US4038571A (en) * 1974-01-03 1977-07-26 Litton Industrial Products, Inc. Piezoelectric dental cleaning device
USRE29687E (en) * 1973-05-29 1978-07-04 Air-vibrator dental scaler
US4110908A (en) * 1976-06-03 1978-09-05 Litton Industrial Products, Inc. Ultrasonic dental scaler
FR2426448A1 (en) * 1978-05-22 1979-12-21 Litton Industrial Products Ultrasonic dental scaler including vibrator - which comprises magnetostrictive transducer within energising coil, and has acoustic impedance transformer
EP0015672A1 (en) * 1979-02-16 1980-09-17 Syntex (U.S.A.) Inc. Vibratory device, work tool assembly, and dental scaler incorporating them
US4229168A (en) * 1978-08-23 1980-10-21 Scholz Jr Howard W Contra-angle ultrasonic endodontic instrument
USRE30536E (en) * 1978-05-01 1981-03-03 Cavitron Corporation Ultrasonic device and method
US4283174A (en) * 1979-11-05 1981-08-11 Sertich Anthony T Dental scaler having scaling tip particularly suitable for circular or ellipsoidal patterns of vibration
US4332558A (en) * 1980-05-20 1982-06-01 Lustig Leopold P Dental scaling apparatus
US4370131A (en) * 1977-06-24 1983-01-25 Surgical Design Ultrasonic transducer tips
US4731019A (en) * 1984-06-04 1988-03-15 Howard Martin Diamond coated scaler dental instrument for ultrasonic operation
US4750902A (en) * 1985-08-28 1988-06-14 Sonomed Technology, Inc. Endoscopic ultrasonic aspirators
US4750488A (en) * 1986-05-19 1988-06-14 Sonomed Technology, Inc. Vibration apparatus preferably for endoscopic ultrasonic aspirator
US4832683A (en) * 1985-09-20 1989-05-23 Sumitomo Bakellite Company Limited Surgical instrument
US4858264A (en) * 1986-09-02 1989-08-22 The United States Of America As Represented By The Secretary Of The Air Force Ultrasonic assisted protective coating removal
US4922902A (en) * 1986-05-19 1990-05-08 Valleylab, Inc. Method for removing cellular material with endoscopic ultrasonic aspirator
US4962755A (en) * 1989-07-21 1990-10-16 Heart Tech Of Minnesota, Inc. Method for performing endarterectomy
US4973250A (en) * 1989-03-13 1990-11-27 Milman Anita S Apparatus and method for irrigating and aspirating periodontal pockets
US5024600A (en) * 1990-01-26 1991-06-18 Kline Joseph M Periodontal scaler-like medicinal fluid applicator
DE9010968U1 (en) * 1990-07-24 1991-11-28 Siemens Ag, 8000 Muenchen, De
US5125837A (en) * 1988-01-06 1992-06-30 Dentsply Management Corp. Apparatus and method for therapeutic lavage and scaling of teeth
US5419703A (en) * 1988-02-18 1995-05-30 Dentsply Research & Development Corp. Method of subgingival scaling and lavage
US5567153A (en) * 1994-08-25 1996-10-22 Dentsply Research & Development Corp. Transducer activated tool tip
US5749727A (en) * 1994-06-30 1998-05-12 Dentsply Research & Development Corp. Transducer activated subgingival tool tip
US5776155A (en) * 1996-12-23 1998-07-07 Ethicon Endo-Surgery, Inc. Methods and devices for attaching and detaching transmission components
US5775901A (en) * 1996-03-07 1998-07-07 Hu-Friedy Mfg. Co., Ltd. Insert for ultrasonic scaler
US5810859A (en) * 1997-02-28 1998-09-22 Ethicon Endo-Surgery, Inc. Apparatus for applying torque to an ultrasonic transmission component
US5938633A (en) * 1997-07-09 1999-08-17 Ethicon Endo-Surgery, Inc. Ultrasonic surgical devices
US5944737A (en) * 1997-10-10 1999-08-31 Ethicon Endo-Surgery, Inc. Ultrasonic clamp coagulator apparatus having improved waveguide support member
US5957943A (en) * 1997-03-05 1999-09-28 Ethicon Endo-Surgery, Inc. Method and devices for increasing ultrasonic effects
US5968060A (en) * 1997-02-28 1999-10-19 Ethicon Endo-Surgery, Inc. Ultrasonic interlock and method of using the same
US5989274A (en) * 1996-10-17 1999-11-23 Ethicon Endo-Surgery, Inc. Methods and devices for improving blood flow to a heart of a patient
US5989275A (en) * 1997-02-28 1999-11-23 Ethicon Endo-Surgery, Inc. Damping ultrasonic transmission components
US6030212A (en) * 1996-09-27 2000-02-29 Dentsply Research & Development Corp. Stacking reservoir and scaler system
US6051010A (en) * 1996-12-23 2000-04-18 Ethicon Endo-Surgery, Inc. Methods and devices for joining transmission components
US6068647A (en) * 1997-10-10 2000-05-30 Ethicon Endo-Surgery, Inc. Ultrasonic clamp coagulator apparatus having improved clamp arm tissue pad
WO2000074586A3 (en) * 1999-06-04 2001-08-02 Dentsply Int Inc Microendodontics ultrasonic surgical dental tool having water port and method of making same
US6716028B2 (en) 2000-08-04 2004-04-06 Hu-Friedy Mfg. Co., Inc. Ultrasonic swivel insert
US6811399B2 (en) 2001-07-27 2004-11-02 Hu-Friedy Mfg. Co., Inc. Torque lock for ultrasonic swivelable inserts and method
US20040265776A1 (en) * 2003-03-13 2004-12-30 Tipton David W. Ultrasonic insert with internal flow channel
WO2005039395A2 (en) * 2003-10-23 2005-05-06 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Sonic and ultrasonic surgical tips
US20050227201A1 (en) * 2004-04-08 2005-10-13 Pond Gary J Irrigation tip adaptor for ultrasonic handpiece
JP2007160125A (en) * 1996-07-12 2007-06-28 Martin J Kaplitt Surgical instrument
US20080096163A1 (en) * 2006-07-26 2008-04-24 Buchanan L Stephen Tip wrench for ultrasonic dental tool
US20110256505A1 (en) * 2010-04-15 2011-10-20 Buchanan L Stephen Ultrasonic tips
US9788925B2 (en) 2009-08-19 2017-10-17 Vicky L Moran Transducer activated tool with water conduit

Citations (4)

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Publication number Priority date Publication date Assignee Title
US1945810A (en) * 1932-06-20 1934-02-06 Harold F Holtz Pavement crack clearing device
US2792674A (en) * 1954-03-19 1957-05-21 Cavitron Corp Vibratory machine tool
US2874470A (en) * 1954-05-28 1959-02-24 James R Richards High frequency dental tool
US2990616A (en) * 1955-03-08 1961-07-04 Cavitron Corp Ultrasonic cutting tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945810A (en) * 1932-06-20 1934-02-06 Harold F Holtz Pavement crack clearing device
US2792674A (en) * 1954-03-19 1957-05-21 Cavitron Corp Vibratory machine tool
US2874470A (en) * 1954-05-28 1959-02-24 James R Richards High frequency dental tool
US2990616A (en) * 1955-03-08 1961-07-04 Cavitron Corp Ultrasonic cutting tool

Cited By (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1916507A1 (en) * 1968-04-01 1969-10-30 Goof Sven Karl Lennart Zahnaerztliches Ultraschallgeraet
US3488851A (en) * 1968-04-18 1970-01-13 Zoltan Haydu Ultrasonic devices
US3565062A (en) * 1968-06-13 1971-02-23 Ultrasonic Systems Ultrasonic method and apparatus for removing cholesterol and other deposits from blood vessels and the like
US3518766A (en) * 1969-01-30 1970-07-07 Emanuel Burt Piezoelectric cleaning device with removable workpiece
US3645255A (en) * 1970-02-02 1972-02-29 Hydrosonic Corp Ultrasonic tooth-cleaning apparatus
US3654502A (en) * 1970-06-24 1972-04-04 Countronic Corp Ultrasonic tool
US3703037A (en) * 1970-06-25 1972-11-21 Seymour Robinson Ultrasonic dental hand-piece with detachable treatment tools
USRE28752E (en) * 1971-02-26 1976-03-30 Ultrasonic Systems, Inc. Ultrasonic kits and motor systems
US3809977A (en) * 1971-02-26 1974-05-07 Ultrasonic Systems Ultrasonic kits and motor systems
US3930173A (en) * 1971-06-15 1975-12-30 Surgical Design Corp Ultrasonic transducers
USRE29687E (en) * 1973-05-29 1978-07-04 Air-vibrator dental scaler
US4038571A (en) * 1974-01-03 1977-07-26 Litton Industrial Products, Inc. Piezoelectric dental cleaning device
US4012647A (en) * 1974-01-31 1977-03-15 Ultrasonic Systems, Inc. Ultrasonic motors and converters
DE2508175A1 (en) * 1974-03-19 1975-10-09 Cavitron Corp Ultrasonic apparatus and methods for use around a flowing medium in an ultrasonic device and in a work area projecting around the die of the device
US4110908A (en) * 1976-06-03 1978-09-05 Litton Industrial Products, Inc. Ultrasonic dental scaler
US4370131A (en) * 1977-06-24 1983-01-25 Surgical Design Ultrasonic transducer tips
USRE30536E (en) * 1978-05-01 1981-03-03 Cavitron Corporation Ultrasonic device and method
FR2426448A1 (en) * 1978-05-22 1979-12-21 Litton Industrial Products Ultrasonic dental scaler including vibrator - which comprises magnetostrictive transducer within energising coil, and has acoustic impedance transformer
US4229168A (en) * 1978-08-23 1980-10-21 Scholz Jr Howard W Contra-angle ultrasonic endodontic instrument
EP0015672A1 (en) * 1979-02-16 1980-09-17 Syntex (U.S.A.) Inc. Vibratory device, work tool assembly, and dental scaler incorporating them
US4283174A (en) * 1979-11-05 1981-08-11 Sertich Anthony T Dental scaler having scaling tip particularly suitable for circular or ellipsoidal patterns of vibration
US4332558A (en) * 1980-05-20 1982-06-01 Lustig Leopold P Dental scaling apparatus
US4731019A (en) * 1984-06-04 1988-03-15 Howard Martin Diamond coated scaler dental instrument for ultrasonic operation
US5334183A (en) * 1985-08-28 1994-08-02 Valleylab, Inc. Endoscopic electrosurgical apparatus
US4750902A (en) * 1985-08-28 1988-06-14 Sonomed Technology, Inc. Endoscopic ultrasonic aspirators
US4832683A (en) * 1985-09-20 1989-05-23 Sumitomo Bakellite Company Limited Surgical instrument
US4750488A (en) * 1986-05-19 1988-06-14 Sonomed Technology, Inc. Vibration apparatus preferably for endoscopic ultrasonic aspirator
US4922902A (en) * 1986-05-19 1990-05-08 Valleylab, Inc. Method for removing cellular material with endoscopic ultrasonic aspirator
US4858264A (en) * 1986-09-02 1989-08-22 The United States Of America As Represented By The Secretary Of The Air Force Ultrasonic assisted protective coating removal
US5125837A (en) * 1988-01-06 1992-06-30 Dentsply Management Corp. Apparatus and method for therapeutic lavage and scaling of teeth
US5419703A (en) * 1988-02-18 1995-05-30 Dentsply Research & Development Corp. Method of subgingival scaling and lavage
US4973250A (en) * 1989-03-13 1990-11-27 Milman Anita S Apparatus and method for irrigating and aspirating periodontal pockets
US4962755A (en) * 1989-07-21 1990-10-16 Heart Tech Of Minnesota, Inc. Method for performing endarterectomy
US5024600A (en) * 1990-01-26 1991-06-18 Kline Joseph M Periodontal scaler-like medicinal fluid applicator
DE9010968U1 (en) * 1990-07-24 1991-11-28 Siemens Ag, 8000 Muenchen, De
US5749727A (en) * 1994-06-30 1998-05-12 Dentsply Research & Development Corp. Transducer activated subgingival tool tip
US5567153A (en) * 1994-08-25 1996-10-22 Dentsply Research & Development Corp. Transducer activated tool tip
US5775901A (en) * 1996-03-07 1998-07-07 Hu-Friedy Mfg. Co., Ltd. Insert for ultrasonic scaler
JP2007160125A (en) * 1996-07-12 2007-06-28 Martin J Kaplitt Surgical instrument
US6293793B1 (en) 1996-09-27 2001-09-25 Dentsply Research & Development Corp. Stackable reservoir and scaler system
US6030212A (en) * 1996-09-27 2000-02-29 Dentsply Research & Development Corp. Stacking reservoir and scaler system
US5989274A (en) * 1996-10-17 1999-11-23 Ethicon Endo-Surgery, Inc. Methods and devices for improving blood flow to a heart of a patient
US6387109B1 (en) 1996-10-17 2002-05-14 Ethicon Endo-Surgery, Inc. Methods and device for improving blood flow to heart of a patient
US5776155A (en) * 1996-12-23 1998-07-07 Ethicon Endo-Surgery, Inc. Methods and devices for attaching and detaching transmission components
US6051010A (en) * 1996-12-23 2000-04-18 Ethicon Endo-Surgery, Inc. Methods and devices for joining transmission components
US5989275A (en) * 1997-02-28 1999-11-23 Ethicon Endo-Surgery, Inc. Damping ultrasonic transmission components
US5968060A (en) * 1997-02-28 1999-10-19 Ethicon Endo-Surgery, Inc. Ultrasonic interlock and method of using the same
US5810859A (en) * 1997-02-28 1998-09-22 Ethicon Endo-Surgery, Inc. Apparatus for applying torque to an ultrasonic transmission component
US5957943A (en) * 1997-03-05 1999-09-28 Ethicon Endo-Surgery, Inc. Method and devices for increasing ultrasonic effects
US5938633A (en) * 1997-07-09 1999-08-17 Ethicon Endo-Surgery, Inc. Ultrasonic surgical devices
US5944737A (en) * 1997-10-10 1999-08-31 Ethicon Endo-Surgery, Inc. Ultrasonic clamp coagulator apparatus having improved waveguide support member
US6068647A (en) * 1997-10-10 2000-05-30 Ethicon Endo-Surgery, Inc. Ultrasonic clamp coagulator apparatus having improved clamp arm tissue pad
US6817862B2 (en) 1999-06-04 2004-11-16 Dentsply International, Inc. Ultrasonic dental tool having quick change connector and method of making same
US20020072035A1 (en) * 1999-06-04 2002-06-13 Dentsply International Inc. Microendodontics ultrasonic surgical dental tool having water port and method of making same
WO2000074586A3 (en) * 1999-06-04 2001-08-02 Dentsply Int Inc Microendodontics ultrasonic surgical dental tool having water port and method of making same
US6810585B2 (en) 1999-06-04 2004-11-02 Dentsply International, Inc. Method of making a microendodontics ultrasonic surgical dental tool having water port
US7140878B2 (en) 1999-06-04 2006-11-28 Dentsply International, Inc. Microendodontics ultrasonic surgical dental tool having water port and method of making same
US6716028B2 (en) 2000-08-04 2004-04-06 Hu-Friedy Mfg. Co., Inc. Ultrasonic swivel insert
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