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| Number | Title | Issue Date |
| 4583529 | High efficiency high frequency power oscillator The invention relates to a high frequency, high mechanical energy output apparatus comprising a transducer, a filter circuit, and a driving circuit. The transducer and the filter circuit are serially coupled together, and the transducer operates at its fu... | 04/22/1986 |
| 4549533 | Apparatus and method for generating and directing ultrasound The disclosed apparatus of the invention operates to generate and direct ultrasound over predetermined regions of a body, such as a programmed sequence of target points. A plurality of side-by-side tapered piezoelectric transducer elements are provided. M... | 10/29/1985 |
| 4535759 | Ultrasonic medical instrument An ultrasonic friction reducing device is comprised of an ultrasonic generator having a special sweep frequency oscillator, a piezoelectric crystal transducer and a cervical dilator probe. The generator produces an oscillatory electric current for the ope... | 08/20/1985 |
| 4489730 | Ultrasonic transducer probe An ultrasonic transducer probe for connection to ultrasonic diagnostic imaging apparatus for guiding a cannula into proper position for insertion into an objective region of the body of a patient under examination comprises a block-like carrier whose appl... | 12/25/1984 |
| 4484569 | Ultrasonic diagnostic and therapeutic transducer assembly and method for using An ultrasonic transducer assembly is provided with transducers for both therapeutic and diagnostic ultrasonic radiation. A moveable seal permits adjustment and alignment of the two transducer units in a fluid medium. In addition, there is provided a light... | 11/27/1984 |
| 4431006 | Passive ultrasound needle probe locator A solid steel stylet is carried coaxially within a hollow biopsy needle. The stylet carries a matching layer at its tip, such that when the needle and stylet are inserted into the body, ultrasound energy impinging on the needle tip is converted to pressur... | 02/14/1984 |
| 4372296 | Treatment of acne and skin disorders and compositions therefor A composition is disclosed which when topically applied is effective in the treatment of acne and skin disorders. While the etiology of the treatment is complex, it is believed that the composition reduces the rate of sebum secretion, inhibits the formati... | 02/08/1983 |
| 4368410 | Ultrasound therapy device An ultrasound therapy device is provided which maintains a selected constant electrical drive power to a transducer regardless of the load on said transducer by means of an analog servo feedback circuit. The device is operable in either a continuous or pu... | 01/11/1983 |
| 4330278 | Endodontic flow-through ultrasonic instrument holder device The invention is an improved endodontic apparatus device for holding instruments, particularly endodontic drill files that are energized and vibrated by ultrasonic means. The invention also provides for the flow-through of solutions during debriding and i... | 05/18/1982 |
| 4309989 | Topical application of medication by ultrasound with coupling agent A method of topically applying an effective medication in an emulsion coupling agent by ultrasound. More particularly, a method of treating a skin condition by applying a medication in an emulsion coupling agent and massaging it into the affected area wit... | 01/12/1982 |
| 4291017 | Method for limiting adherence of plaque and dental composition therefor A dentrifice containing a limited amount, 0.001-0.05% by weight, of titanium tetrafluoride, and preferably at least 0.5% by weight xylitol or 0.01% by weight saccharin, is applied to a person's teeth to limit the adherence of plaque to the teeth. The meth... | 09/22/1981 |
| 4269176 | Treatment head for electromedical diagnostic or therapeutic treatment of body parts In an exemplary treatment head with a first treatment surface where a different treatment surface can be preconnected by means of an adapter piece, the adapter piece can be clipped or pinched onto the first treatment surface by means of a clip or pinch pa... | 05/26/1981 |
| 4248232 | Method of dissolving the bond between interconnected components An ultrasonic tool is used for dissolving the bond between nested components cemented together by a plastic layer. The vibrating tool causes softening of at least portions of the plastic layer, and subsequently the components can be readily detached from ... | 02/03/1981 |
| 4236510 | Ultrasonic tooth cleaning apparatus A hand-held ultrasonic tooth-cleaning apparatus which may be inserted into the mouth to remove materials from the teeth by cavitation using a lip seal or a continuous liquid flow. Electromechanical transducer elements are used to establish propagation of ... | 12/02/1980 |
| 4176454 | Ultrasonic tooth cleaner An ultrasonic method and apparatus for removing dental plaque from teeth in situ and for cleaning the teeth employing a liquid couple for imparting ultrasonic energy to the surface of the teeth at ultrasonic energy levels which are not harmful to the teet... | 12/04/1979 |
| 4169984 | Ultrasonic probe An ultrasonic, surgical and dental probe comprises a piezoelectric crystal transducer assembly positioned in compression between a pair of body members in a housing. Each body member along with the transducer assembly is mounted on a hollow connecting rod... | 10/02/1979 |
| 4148309 | Personal hygiene device An oral and personal hygiene device for cleansing portions of the human anatomy by means of ultrasonic vibrations. The disclosed embodiment includes a fluid compartment, an ultrasonic transducer, an ultrasonic implement surrounding the transducer, and a f... | 04/10/1979 |
| 4144646 | Torsional ultrasonic vibrators A torsional ultrasonic vibrator particularly adapted for treating teeth by exposing them to ultrasonic waves in the presence of a tooth-decay retarding agent which engages the teeth. A shaft which has a central axis has fixed thereto a blade which project... | 03/20/1979 |
| 4136700 | Neurosonic aspirator Apparatus for use in surgically removing tumorous neurological tissue comprises a handpiece in which a tool tip vibrating transversely to its long axis in the ultrasonic range, is mounted an irrigation fluid outlet for introducing fluid adjacent the tool ... | 01/30/1979 |
| 4127125 | Devices for transmitting ultrasonic waves to teeth For the purpose of forming a reinforcing layer of a decay-retarding agent on the surface of teeth, a device is provided for transmitting ultrasonic waves to the teeth while the latter are in contact with a decay-retarding agent. The device includes an enc... | 11/28/1978 |
| 4108165 | Transducer probe for pulse-echo ultrasonic exploration A pulse-echo ultrasonic transducer probe includes a substantially centrally disposed axial bore running therethrough and a radial slot extending from the bore to the periphery of its housing. A slotted cap dimensioned to rotatably fit over the top of the ... | 08/22/1978 |
| 4094306 | Apparatus for ultrasonic examination Apparatus for the pulse-echo ultrasonic examination of an object comprised of transducer means for transmitting pulses of ultrasonic energy and receiving reflected echoes of said pulses immersed in a coupling medium contained within a housing, the pulses ... | 06/13/1978 |
| 4086916 | Cardiac monitor wristwatch A cardiac monitoring system easily incorporated into existing electronic digital wristwatches. The self-contained unit monitors the arterial pulse rate by means of a pair of highly directional ultrasonic transducers positioned in a special mounting in the... | 05/02/1978 |
| 4078556 | Apparatus useful in suppression of spermatogenesis Apparatus useful in suppressing spermatogenesis in human males by applying ultrasonic vibrations to the testes. More particularly, apparatus useful in suppressing spermatogenesis by sonicating male testes including a cup for immersing the testes in an ult... | 03/14/1978 |
| 4077401 | Suppression of spermatogenesis A method of suppressing spermatogenesis in human males by applying ultrasonic vibrations to the testes. More particularly, a method of suppressing spermatogenesis by sonicating male testes by immersing them in an ultrasonic coupling agent and applying ult... | 03/07/1978 |
| 4073289 | Method of male contraception for domestic mammals having a scrotum A method of suppressing spermatogenesis in domestic mammals having a scrotum by applying ultrasonic vibrations to the testes in said scrotum. More particularly, a method of suppressing spermatogenesis by sonicating the testes in said scrotum by immersing ... | 02/14/1978 |
| 4052977 | Methods of and apparatus for ascertaining the characteristics of motion of inaccessible moving elements A method and apparatus for obtaining an audible signal containing information as to the characteristics of at least one moving element situated internally of a living body and in which a transmitting transducer fed with an electrically generated signal of... | 10/11/1977 |
| 4040414 | Ultrasonic personal care instrument and method The invention relates to the field of hygienic care of the human skin and for performing certain dermatological procedures as removing blackheads and opening pimples with an ultrasonic applicator. The applicator or tool, which is used in conjunction with ... | 08/09/1977 |
| 4002221 | Method of transmitting ultrasonic impulses to surface using transducer coupling agent Gel compositions are disclosed containing a primary thickening agent (e.g. carboxy polymethylene polymer) combined with small but effective amounts of an auxiliary hydroxy-containing thickener, e.g. an hydroxy alkyl cellulose polymer. The gel is particula... | 01/11/1977 |
| 3980906 | Ultrasonic motor-converter systems Ultrasonic systems for use in consumer, and other applications, having electromechanical motor systems providing bursts of ultrasonic mechanical vibration at an applicator repeated at a sonic frequency to produce both ultrasonic and sonic vibratory motion... | 09/14/1976 |
| 3958559 | Ultrasonic transducer For use in ultrasound pulse-echo imaging and neurosurgery systems, a plano-concave lens of elliptical shape is positioned in front of a transducer for producing an extremely narrow ultrasonic beam, and at the same time provides a large aperture to maximiz... | 05/25/1976 |
| 3956826 | Ultrasonic device and method An ultrasonic hand-held cleaning device having a housing enclosing a casing, an energyzing winding about the casing, and a fluid conduit attached to the interior of the casing. A sleeve is insertably mounted into the end of the casing, and acts to support... | 05/18/1976 |
| 3955561 | Cardioscan probe Ultrasonic probe apparatus for real time B-mode sector scan examination of a cross section of a structure such as the human heart. A transducer is pivotally mounted near an end of an elongated housing, and linkage means are provided in the housing for osc... | 05/11/1976 |
