WO2013117509A2 - Sonotrode pour l'application d'énergie ultrasonore - Google Patents

Sonotrode pour l'application d'énergie ultrasonore Download PDF

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Publication number
WO2013117509A2
WO2013117509A2 PCT/EP2013/052118 EP2013052118W WO2013117509A2 WO 2013117509 A2 WO2013117509 A2 WO 2013117509A2 EP 2013052118 W EP2013052118 W EP 2013052118W WO 2013117509 A2 WO2013117509 A2 WO 2013117509A2
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WO
WIPO (PCT)
Prior art keywords
sonotrode
axis
sleeve
transverse element
vibration
Prior art date
Application number
PCT/EP2013/052118
Other languages
German (de)
English (en)
Other versions
WO2013117509A3 (fr
Inventor
Dominik Eggert
Falko Schlottig
Marco Stoffel
Uwe Werner
Original Assignee
Nexilis Ag C/O Bdo Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nexilis Ag C/O Bdo Ag filed Critical Nexilis Ag C/O Bdo Ag
Publication of WO2013117509A2 publication Critical patent/WO2013117509A2/fr
Publication of WO2013117509A3 publication Critical patent/WO2013117509A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B3/00—Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency

Definitions

  • the present invention relates to sonotrodes for the introduction of ultrasonic energy in particular in porous recesses, sonotrodes tools with such sonotrodes and uses of such devices.
  • Ultrasound is increasingly being used to produce connections between workpieces by introducing material liquefying under the influence of ultrasound into a connection point, liquefying it under ultrasound, and then establishing a positive and / or material connection between two workpieces.
  • EP 1 530 953 a deflection of the ultrasound in the field of application, as far as can be said in these cases at all by an actual targeted diversion of ultrasound ensured by a sonotrode is coupled to a device generating the ultrasound, which has a hook-like shape, with which then adapted to the tight space conditions, specifically the vibration energy can be carried over the top of this hook-like device to the desired location.
  • Such devices have the disadvantage that the curved, the bending vibration passing intermediate elements are complex, and in particular heavily loaded elements are also susceptible to wear, and also need a lot of space.
  • a construction based on the same principle is known from WO 2007/101362, but here no really ring-shaped intermediate bending vibration element is used, but only a curved bending vibration element designed in the form of a pitch circle.
  • a coupling unit for transmitting high-frequency mechanical vibrations from a vibration generator to a tool.
  • This comprises an input part and an output part, which are connected to each other via two equal mutually offset vibrating beams.
  • These can be the Have a shape of quarter-circle to provide the output movement in a direction which encloses with the direction of the input movement of an angle of 90 degrees.
  • the vibrating beam is deliberately placed in a pure tilting movement, which then also leads to a rocking vibration at the output part, respectively to bending vibrations in this.
  • a sonotrode for connection to an ultrasonic vibrator with a along a first axis extending terminal portion which is attached to a first end of the vibrator or connected thereto, wherein the connecting portion by the ultrasonic vibrator substantially exclusively is placed in a vibration along the first axis.
  • a sonotrode for connection to an ultrasonic vibration generator.
  • the sonotrode has a connection section extending along a first axis, which is attached to or connected to a first end of the vibration transmitter.
  • the connection section is offset by the ultrasonic vibration generator substantially exclusively in a vibration along the first axis.
  • this connection section is not part of the sonotrode, that is, the component to deflection, but part of the vibration generator.
  • Such a sonotrode is now particularly preferably characterized in that a transverse element extending along a second axis is arranged in the region of its proximal end at the distal end of the connection section opposite the first end at a proximal attachment point.
  • This preferably designed as a single cross bar, cross member is intended, as a result of selected geometry, etc, selectively absorb the vibration energy so that it is transmitted to the cuff described below so that in turn only one vibration along the axis of this cuff is present in the cuff, ie that the cuff substantially free of bending vibrations is stimulated and does not perform any weighing or tilting movements.
  • the actual ultrasonic vibration in this cross element is very difficult to predict and measure. Without being bound by the scientific explanation that has now been given, it seems as if such an optimal transfer occurs on the basis of two mechanisms, the two mechanisms depending on the geometric interpretation may occur alone or in combination.
  • a first mechanism seems to be that the transverse element is displaced substantially only by the vibrator into a longitudinal ultrasonic vibration (longitudinal vibration at a natural frequency of the transverse element), i. additional bending vibrations are preferably substantially completely avoided.
  • the longitudinal ultrasonic vibration in the transverse element seems to be transferred to the cuff to a certain extent in a node of the longitudinal vibration, that is to say the cuff and the proximal attachment point are to be arranged at such a node.
  • a second mechanism seems to be that the transverse element is placed in a bending vibration, the end points of the transverse element forming nodes or maxima / minima and the location of the coupling at the point of attachment at a first maximum of the oscillation amplitude is arranged and the attachment point of the cuff at a second maximum (in absolute terms, ie it can also be a minimum) is connected.
  • proximal attachment point of the excitation and the distal attachment point of the cuff are arranged offset from one another by an integer fraction of the wavelength of the respective natural vibration in the transverse element from the end points.
  • this offset is in each case a multiple of ⁇ / 2, in the case of bending vibrations a multiple of ⁇ / 4.
  • the cuff is in particular also only in longitudinal ultrasonic vibrations, that is bending vibrations should, in particular with regard to the specific method mentioned below, account for the smallest possible proportion.
  • the proportion of vibrations that are non-axial (ie, flexural vibrations in the cuff) should preferably be no more than 20%, preferably not more than 15%, and more preferably no more than 10% or 5% of the total ultrasonic vibratory energy.
  • the majority of the vibrational energy ie more than 80%, preferably more than 85%, more preferably more than 90% -95% and most preferably at least 98% of the ultrasonic energy in the cuff, in particular at the top of the cuff, in the case a hollow cylindrical configuration of the same at the peripheral edge, ie at the tip of the respective sleeve in the region of the front opening, abuts as an axial vibration.
  • the second axis is arranged substantially perpendicular to the first axis
  • the third axis is arranged substantially perpendicular to the second axis and preferably at the same time also substantially parallel to the first axis.
  • typically connecting portion, cross member and sleeve lie in a plane.
  • the collar extends to the side of the transverse element opposite the connection section, that is to say from the transverse element the connection section branches off in the region of the proximal end to one side and the collar in the region of the distal end to the opposite side.
  • the proximal point of attachment of the proximal end of the cross member preferably masses added to form a proximal supernatant by a first distance d ⁇ .
  • the proximal attachment point is offset from the distal attachment point by a second distance d 2
  • the distal attachment point is offset from the distal end by a third distance d 3 to form a distal protrusion.
  • the total length of the transverse element corresponds to an integral multiple of half the wavelength ⁇ / 2 of an axial ultrasound (intrinsic) oscillation of the transverse element and the third distance d 3 to an integer multiple of this half wavelength ⁇ / 2.
  • the total length of the transverse element corresponds to an integer or half-integer multiple of the wavelength of an ultrasonic bending vibration of the transverse element and the third distance d 3 to an integral multiple of the quarter wavelength ⁇ / 4 , in particular an odd integer multiple of the quarter wavelength ⁇ / 4.
  • it is then not transmitted via a node of the bending vibration, but over the point of maximum deflection to the cuff.
  • the length of the section di and / or that of the section d 3 is selected such that the total length of the transverse element is an integer multiple of the section. Or in other words, the length of the portion d] and / or that of the portion d 3 is selected so that they 1/3, 1/4, 1/5, 1/6, 1/7, 1/8, 1 / 9, 1/10, ... the total length of the cross element.
  • the length of the section d ⁇ and that of the section d 3 can be chosen the same, but they can also assume different values.
  • the first distance d ⁇ is also designed so that it an integer multiple of half the wavelength ( ⁇ / 2), in the case of longitudinal vibrations, respectively, an integer multiple of the quarter wavelength ( ⁇ / 4) in the case of bending vibrations, corresponds, preferably half a wavelength in the case of the longitudinal vibrations and a quarter wavelength in the case of bending vibrations.
  • a further preferred embodiment is characterized in that the second Distance d 2 corresponds to an integer multiple of half the wavelength ⁇ / 2, preferably twice, three times, or four times the half wavelength ⁇ / 2.
  • the sleeve and / or the cross member may be formed as a circular cylinder with a circular cylindrical outer surface.
  • the sleeve has a central axial cylindrical recess which is open to the free end to form a front opening.
  • the recess may be a through hole with a constant inner diameter, which is preferably additionally accessible at the location of the crossing region between the cross member and sleeves via a rear opening.
  • the through hole may, where it passes through the cross member, also specifically have a smaller diameter than in the region of the sleeve.
  • Such a configuration has the advantage that a guide pin which is inserted into the sleeve (see description of the method below), can only be inserted up to a stop position, but that the guide pin then also by introducing, for example, an auxiliary pin through the back In this way, the smaller diameter opening through the cross member can be ejected from the collars. It may also be advantageous if the through-bore has a larger diameter in the rear, that is preferably in the transverse element facing and through this normally passing region than in the region of the distal opening of the sleeve. In this case, a guide pin can be used with a correspondingly stepped diameter, which is adapted to this stepped opening. This ensures that the guide pin, when the sleeves are pulled out of the machining opening again, does not get stuck in the machining opening, but can be safely pulled out again.
  • a further particularly preferred embodiment is thus characterized in that the sleeve has a central axial cylindrical recess which is open to the free end to form a front opening.
  • the sleeve is designed as a hollow cylinder, but it can also be designed as a solid cylinder.
  • a sonotrode can be used in a method as described in WO 2009/141252. If the collar is formed as a solid cylinder, it takes over the function of the guide pin in the method according to WO 2009/141252, the sleeve is formed as a hollow cylinder, and this is the preferred variant, it is used as a cuff in the sense of the method according to WO 2009/141252.
  • the cylindrical interior formed therewith preferably has a constant cross-sectional area over the length.
  • the peripheral edge of the sleeve formed in the region of the front opening is preferably formed tapered, as is apparent from the above-mentioned international publication and the method described therein, in order to ensure an optimal lateral displacement of the liquefiable material in the porous wall structure of the recess ,
  • a further preferred embodiment of the proposed sonotrode is characterized in that both the connection region and the sleeve, and preferably also the transverse element, are designed as tubular hollow cylinders which converge at respective points of intersection at the points of contact or are connected to one another, preferably through the sleeve accessible from both sides through hole is present.
  • the connecting portion, the cross member and the collar are normally, as already explained above, arranged in a common plane, and in the cross member are excited when excited via the connecting portion substantially exclusively along the second axis extending longitudinal vibrations, and in the cuff substantially longitudinal oscillations extending exclusively along the third axis, whereby material thickenings and / or material recesses are preferably formed at the attachment points in order to ensure this oscillation behavior at the sonotrode, in particular in the respective crossing regions.
  • Such a sonotrode is preferably made of a metallic material, preferably selected from the group consisting of: aluminum, iron, titanium, steel and these mainly containing or consisting of these alloys, preferably the sonotrode is formed integrally and machined from a single block of work or preferably wherein the sonotrode is formed from elements screwed or shrunk into one another by screwing together the connection section and / or the crossing regions and / or the sleeve.
  • the sleeve may have a length in the range of 5-50 mm, preferably in the range of 10-25 mm, and a diameter in the range of 2-15 mm, preferably in the range of 2.5-10 mm, in particular preferably in Range of 2.5-7 mm.
  • connection section may further be provided an interface for attachment to the ultrasonic vibrator, preferably in the form of a positive and / or non-positive coupling region, particularly preferably in the form of a thread, a flange, a groove or a bayonet closure.
  • the sonotrode is free of welds, as they can adversely affect the vibration behavior.
  • coatings can be used, in particular coatings which are e.g. the sliding properties, the hygiene properties, and / or the vibration transmission properties influence. Possible, for example, especially in the field of cuffs, coatings made of plastic such as PTFE.
  • the present invention relates to a sonotrode tool with an ultrasonic vibrator and a sonotrode as described above, wherein preferably the vibration generator comprises a trained as a handle converter and a booster, wherein the sonotrode is attached to the booster or formed integrally therewith.
  • a tool may preferably be characterized in that it is designed as a hand tool for the medical field, in particular for the implant area, in particular for the dental area.
  • a corresponding tool typically also has an electrical connection and a controller with which the applied vibration can be adjusted.
  • vibrations are applied in the range of 20-120 kHz, preferably in the range of 30-80 kHz, more preferably in the range of 50-80 kHz.
  • the present invention relates to the use of such a sonotrode or sonotrode tool for amelioration of a recess, namely in the context of a method, as described in detail in WO 2009/141252, for example. It may be a medical procedure or a non-medical procedure. With regard to the procedure, the The disclosure content of WO 2009/141252 is expressly included in this disclosure content.
  • the present invention also relates to the use of a sonotrode as described above or a sonotrode tool as described above for amelioration of a recess (entirely in the sense of the above-mentioned WO 2009/141252 and the method described therein), in particular a recess in a porous, holey and through the recess exposed voids having material.
  • the cylindrical cuff is used with a cylindrical outer surface with an outer diameter and a central recess for receiving a guide pin, wherein the guide pin is intended to be introduced before the application of mechanical energy substantially to the bottom of the recess the guide pin is enclosed in the region of its end facing the bottom of the recess by an amelioration sleeve of a material which can be liquefied with mechanical energy, the cylindrical outer surface of the amelioration sleeve having substantially the same outside diameter as the sleeve, and the guide pin being displaceable in the central recess is added that the cuff upon application of mechanical energy relative to the guide pin towards the bottom of the recess with liquefaction and lateral and / or longitudinal displacement of the material of Amelio rationshülse can be moved.
  • 1 is a side view of a sonotrode tool, in which the
  • Fig. 2 is a side view of a sonotrode tool, in which the
  • Fig. 3 is a side view of a sonotrode tool, in which the
  • a method for ameliorating recesses in porous materials is known, for example, from WO 2009/141252.
  • a substantially cylindrical sleeve made of a material which liquefies under ultrasound is used, as it were, to fill the porosity of the wall regions of the recess with this material in a liquefying manner under the action of ultrasound.
  • a guide pin which is guided in a provided with a corresponding axial recess cuff, is inserted into an already provided hole as a guide element, and then the sliding mounted thereon cuff is pushed down in the direction of the bottom of the recess.
  • a hollow cylinder made of a liquefiable material is provided in the tip region, and this is outwardly through the sleeve, which has an outer circumference, which corresponds substantially to the inner diameter of the bore to be ameliorated by the downwardly displacing and simultaneous liquefaction of this material sleeve displaced into the porosity and filled accordingly cavities in the material.
  • FIG. 1 shows a sonotrode tool 1 in a lateral representation.
  • the converter 2 which is usually formed simultaneously as a handle for such a tool is not shown, but only indicated schematically.
  • the converter is used to generate along the course axis of the converter resp. following booster 3 extending ultrasonic vibrations, as indicated schematically by the arrow 9.
  • the booster 3 typically has at its end a coupling point for fastening a connection section 4 of the actual sonotrode 18 described below.
  • This interface can, as already stated above, be formed as a thread or the like, whereby care must be taken with these fastening mechanisms in that the transmission of the ultrasound is not impaired or as little as possible by the mechanism used.
  • connection section 4 adjoins the booster with the connection end 21.
  • distal end 22 follows on the connection section 4, a rod-shaped cross member 6, which is along a direction perpendicular to the axis 17 of the converter 2, respectively. the vibration course 9 extending axis 20 extends.
  • a sleeve 5 is arranged, which is also formed rod-shaped.
  • the transverse element 6 is not connected to the connection section 4 at its outermost proximal end 23, but instead is somewhat offset therefrom, specifically at a proximal connection point 15, so that a proximal projection 25 is formed.
  • the cuff 5 is also arranged slightly offset inwardly from the distal end 24, so that a distal projection 26 is formed.
  • Connection section 4 and sleeve 5 extend with their axes 17 respectively. 8 substantially parallel to each other, and the three axes 17, 20 and 8 are arranged substantially in a plane.
  • the sizing is typically made so that the offset between the proximal end 23 and proximal attachment point 14, in the figure represented as di, is a multiple of half the wavelength ⁇ / 2 of a characteristic ultrasonic vibration in the cross member 6 along the axis 20.
  • the same device also works for the second case of the appropriate vibrations, that is, for the bending vibration in which case the entire length of the transverse element 6 constitutes exactly one integer or half-integer wavelength of the corresponding fundamental natural vibration, and the offset between the proximal end 23 and Proximal Anlmüpfungstician 14, which is shown in the figure as di, is then an integer odd multiple of the quarter wavelength ⁇ / 4.
  • the offset of distal end 24 to distal cuff attachment point 15 is selected at a distance d 3 which is again an integer multiple of one half of that characteristic wavelength ⁇ / 2 for the case of exclusive longitudinal vibration in the cross element and ⁇ / 4 for the case of FIG suitable bending vibration in the transverse element, respectively odd multiples thereof, corresponds.
  • the offset d 2 is selected as an integer multiple of this half wavelength ⁇ / 2.
  • the masses d ls d 2 and d 3 are all selected as integer multiples of the size ⁇ / 2 and ⁇ / 4, respectively, where d 2 is always ⁇ / 2.
  • the longitudinal oscillation 9 is to a certain extent registered optimally at a node point in the transverse element 6 and is optimally converted into a longitudinal oscillation, as represented schematically by the arrow 10.
  • this also means that the distal connection point 15 is also arranged at such a node and accordingly also an optimal conversion resp.
  • Transmission of the ultrasonic vibration in the sleeve 5 is carried out, so that the ultrasonic vibration in this sleeve 5 then again only axially, ie along the axis 8 or as shown schematically by the arrow 11.
  • the two connection points 14 and 15 lie exactly on the maxima or minima of the corresponding natural vibration.
  • FIG. 1 shows a schematic representation of a situation in which di and d 3 correspond exactly to ⁇ / 2 for the longitudinal oscillations, and d 2 corresponds to ⁇ .
  • the total length of the cross member in such a case is equal to the wavelength.
  • the offset d 2 as 1.5 times the size ⁇ / 2 to design. Even larger multiples are possible, namely a fourfold or fivefold of the size ⁇ / 2.
  • Relevant is usually the wavelength ⁇ of a corresponding natural vibration, as it rests in the rod, this is calculated, based on the total length of the transverse element 6 (ie, d + d 2 plus d 3 ) also as an integer multiple of ⁇ / 2.
  • d + d 2 plus d 3 an integer multiple of ⁇ / 2.
  • the sleeve 5 is formed as a hollow cylinder.
  • FIGS. 3 and 4 each having a geometry analogous to FIG. 1 in FIG. 3 and analogous to FIG. 2 in FIG. 4.
  • the sleeve 5 is designed as a hollow cylinder which has a cylindrical recess 27 and is formed open only at the distal end.
  • a tapered, stepped or straight, edge 19 is arranged to ensure optimum lateral displacement of liquefiable material.
  • a guide pin 7, for implementing a method according to WO 2009/141252 can now be inserted and used as a guide element in the amelioration process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Surgical Instruments (AREA)

Abstract

Sonotrode (18) destinée à être connectée à un vibrateur à ultrasons (2, 3), qui comprend un premier segment de connexion (4) s'étendant le long d'un premier axe (17) et fixé au vibrateur à ultrasons (2, 3) ou relié à ce dernier par une première extrémité (21), le segment de connexion (4) étant amené par le vibrateur à ultrasons (2, 3) à vibrer sensiblement exclusivement le long du premier axe (17), ladite sonotrode étant destinée à être utilisée en particulier dans le domaine de la technique médicale. Cette sonotrode est caractérisée en ce qu'un élément transversal (6) s'étendant le long d'un deuxième axe (20) est situé, dans la zone de son extrémité proximale (23), à l'extrémité distale du segment de connexion (4), et en ce qu'une broche (5) s'étendant le long d'un troisième axe (8) et destinée à l'application de vibrations ultrasonores dans une zone d'usinage est située sur cet élément transversal (6), de manière parallèlement décalée par rapport au deuxième axe (2). Le deuxième axe (20) est sensiblement perpendiculaire au premier axe (17), et le troisième axe (8) est sensiblement perpendiculaire au deuxième axe (20) et sensiblement parallèle au premier axe (17). La broche (5) s'étend sur la face de l'élément transversal (6) opposée au segment de connexion (4). Le point de liaison proximal (14) est décalé par rapport à l'extrémité proximale (23) de l'élément transversal (6), formant ainsi une extrémité en porte-à-faux (25) proximale, le point de liaison proximal (14) est décalé par rapport au point de liaison distal (15) à raison d'une distance (d2) et le point de liaison distal (15) est décalé par rapport à l'extrémité distale (24) à raison d'une distance (d3), formant ainsi une extrémité en porte-à-faux (26) distale, la longueur totale de l'élément transversal (6) correspond à un multiple entier de la moitié de la longueur d'onde (λ/2) d'une vibration propre ultrasonore axiale de l'élément transversal (6) et/ou à un multiple entier de la moitié de la longueur d'onde (λ/2) d'une vibration de flexion propre ultrasonore de l'élément transversal (6), et la troisième distance (d3) correspond à un multiple entier de cette moitié de longueur d'onde (λ/2) de la vibration propre ultrasonore axiale ou à un quart de la longueur d'onde (λ/4) de la vibration de flexion propre ultrasonore.
PCT/EP2013/052118 2012-02-10 2013-02-04 Sonotrode pour l'application d'énergie ultrasonore WO2013117509A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1842012 2012-02-10
CH00184/12 2012-02-10

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WO2013117509A2 true WO2013117509A2 (fr) 2013-08-15
WO2013117509A3 WO2013117509A3 (fr) 2014-03-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111125952A (zh) * 2019-12-17 2020-05-08 吉林大学 静态预拉伸-超声弯曲疲劳试样及设计方法
EP3663008A1 (fr) * 2018-12-06 2020-06-10 Telsonic Holding AG Générateur d'ultrasons, système de générateur d'ultrasons et procédé de fonctionnement d'un générateur d'ultrasons

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100321A (en) 1990-04-30 1992-03-31 Coss Ronald G Dental tool
EP0535542A1 (fr) 1991-10-02 1993-04-07 Siemens Aktiengesellschaft Dispositif pour placer avec précision des éléments prothétiques dentaires
EP0594541A2 (fr) 1992-10-21 1994-04-27 Dürr-Dental GmbH & Co. KG Sonotrode pour un appareil de traitement à ultrason
US5899693A (en) 1996-04-12 1999-05-04 Hakusui Trading Co., Ltd Dental tip jig and dental tip fitted with it
DE20113692U1 (de) 2001-08-18 2001-11-15 Dürr Dental GmbH & Co. KG, 74321 Bietigheim-Bissingen Ultraschallhandstück
US20030157458A1 (en) 2002-02-15 2003-08-21 Buchanan L. Stephen Dental instruments for use with ultrasonic handpieces
WO2005009256A2 (fr) 2003-07-31 2005-02-03 Woodwelding Ag Procede de stimulation de la regeneration tissulaire sur des surfaces de blessures, et dispositif et instrument de traitement ou implant pour la mise en oeuvre de ce procede
EP1530953A1 (fr) 2003-11-17 2005-05-18 Matthew James Pring Instruments de détartrage parodontique
WO2007101362A2 (fr) 2006-03-09 2007-09-13 Woodwelding Ag Déviation d'oscillations mécaniques
DE102007016353A1 (de) 2007-04-03 2008-10-09 Dürr Dental GmbH & Co. KG Schwingungs-Koppeleinheit
WO2009141252A1 (fr) 2008-05-21 2009-11-26 Nexilis Ag Dispositif et procédé pour apporter des améliorations à des cavités
US20100130867A1 (en) 2007-04-19 2010-05-27 Mectron S.P.A. Ultrasound frequency resonant dipole for medical use

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5100321A (en) 1990-04-30 1992-03-31 Coss Ronald G Dental tool
EP0535542A1 (fr) 1991-10-02 1993-04-07 Siemens Aktiengesellschaft Dispositif pour placer avec précision des éléments prothétiques dentaires
EP0594541A2 (fr) 1992-10-21 1994-04-27 Dürr-Dental GmbH & Co. KG Sonotrode pour un appareil de traitement à ultrason
US5899693A (en) 1996-04-12 1999-05-04 Hakusui Trading Co., Ltd Dental tip jig and dental tip fitted with it
DE20113692U1 (de) 2001-08-18 2001-11-15 Dürr Dental GmbH & Co. KG, 74321 Bietigheim-Bissingen Ultraschallhandstück
US20030157458A1 (en) 2002-02-15 2003-08-21 Buchanan L. Stephen Dental instruments for use with ultrasonic handpieces
WO2005009256A2 (fr) 2003-07-31 2005-02-03 Woodwelding Ag Procede de stimulation de la regeneration tissulaire sur des surfaces de blessures, et dispositif et instrument de traitement ou implant pour la mise en oeuvre de ce procede
EP1530953A1 (fr) 2003-11-17 2005-05-18 Matthew James Pring Instruments de détartrage parodontique
WO2007101362A2 (fr) 2006-03-09 2007-09-13 Woodwelding Ag Déviation d'oscillations mécaniques
DE102007016353A1 (de) 2007-04-03 2008-10-09 Dürr Dental GmbH & Co. KG Schwingungs-Koppeleinheit
US20100130867A1 (en) 2007-04-19 2010-05-27 Mectron S.P.A. Ultrasound frequency resonant dipole for medical use
WO2009141252A1 (fr) 2008-05-21 2009-11-26 Nexilis Ag Dispositif et procédé pour apporter des améliorations à des cavités

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3663008A1 (fr) * 2018-12-06 2020-06-10 Telsonic Holding AG Générateur d'ultrasons, système de générateur d'ultrasons et procédé de fonctionnement d'un générateur d'ultrasons
CN111125952A (zh) * 2019-12-17 2020-05-08 吉林大学 静态预拉伸-超声弯曲疲劳试样及设计方法

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