AU3703297A - Ultrasonic generator circuit incorporating a power oscillator and a feedback loop - Google Patents

Ultrasonic generator circuit incorporating a power oscillator and a feedback loop

Info

Publication number
AU3703297A
AU3703297A AU37032/97A AU3703297A AU3703297A AU 3703297 A AU3703297 A AU 3703297A AU 37032/97 A AU37032/97 A AU 37032/97A AU 3703297 A AU3703297 A AU 3703297A AU 3703297 A AU3703297 A AU 3703297A
Authority
AU
Australia
Prior art keywords
feedback loop
generator circuit
ultrasonic generator
circuit incorporating
power oscillator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU37032/97A
Inventor
Henry Kevin Ratcliff
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU3703297A publication Critical patent/AU3703297A/en
Abandoned legal-status Critical Current

Links

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
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • B06B1/0238—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave
    • B06B1/0246—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal
    • B06B1/0253—Driving circuits for generating signals continuous in time of a single frequency, e.g. a sine-wave with a feedback signal taken directly from the generator circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
AU37032/97A 1996-08-01 1997-08-01 Ultrasonic generator circuit incorporating a power oscillator and a feedback loop Abandoned AU3703297A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9616186.4A GB9616186D0 (en) 1996-08-01 1996-08-01 Untrasonic generator
GB9616186 1996-08-01
PCT/GB1997/002052 WO1998005437A1 (en) 1996-08-01 1997-08-01 Ultrasonic generator circuit incorporating a power oscillator and a feedback loop

Publications (1)

Publication Number Publication Date
AU3703297A true AU3703297A (en) 1998-02-25

Family

ID=10797860

Family Applications (1)

Application Number Title Priority Date Filing Date
AU37032/97A Abandoned AU3703297A (en) 1996-08-01 1997-08-01 Ultrasonic generator circuit incorporating a power oscillator and a feedback loop

Country Status (3)

Country Link
AU (1) AU3703297A (en)
GB (1) GB9616186D0 (en)
WO (1) WO1998005437A1 (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0222421D0 (en) * 2002-09-27 2002-11-06 Ratcliff Henry K Advanced ultrasonic processor
US8182501B2 (en) 2004-02-27 2012-05-22 Ethicon Endo-Surgery, Inc. Ultrasonic surgical shears and method for sealing a blood vessel using same
US20060079879A1 (en) 2004-10-08 2006-04-13 Faller Craig N Actuation mechanism for use with an ultrasonic surgical instrument
US20070191713A1 (en) 2005-10-14 2007-08-16 Eichmann Stephen E Ultrasonic device for cutting and coagulating
US7621930B2 (en) 2006-01-20 2009-11-24 Ethicon Endo-Surgery, Inc. Ultrasound medical instrument having a medical ultrasonic blade
US8057498B2 (en) 2007-11-30 2011-11-15 Ethicon Endo-Surgery, Inc. Ultrasonic surgical instrument blades
US8808319B2 (en) 2007-07-27 2014-08-19 Ethicon Endo-Surgery, Inc. Surgical instruments
US8523889B2 (en) 2007-07-27 2013-09-03 Ethicon Endo-Surgery, Inc. Ultrasonic end effectors with increased active length
US8430898B2 (en) 2007-07-31 2013-04-30 Ethicon Endo-Surgery, Inc. Ultrasonic surgical instruments
US8512365B2 (en) 2007-07-31 2013-08-20 Ethicon Endo-Surgery, Inc. Surgical instruments
US9044261B2 (en) 2007-07-31 2015-06-02 Ethicon Endo-Surgery, Inc. Temperature controlled ultrasonic surgical instruments
US10010339B2 (en) 2007-11-30 2018-07-03 Ethicon Llc Ultrasonic surgical blades
US8334635B2 (en) 2009-06-24 2012-12-18 Ethicon Endo-Surgery, Inc. Transducer arrangements for ultrasonic surgical instruments
US8951272B2 (en) 2010-02-11 2015-02-10 Ethicon Endo-Surgery, Inc. Seal arrangements for ultrasonically powered surgical instruments
US9820768B2 (en) 2012-06-29 2017-11-21 Ethicon Llc Ultrasonic surgical instruments with control mechanisms
US10226273B2 (en) 2013-03-14 2019-03-12 Ethicon Llc Mechanical fasteners for use with surgical energy devices
GB2521229A (en) * 2013-12-16 2015-06-17 Ethicon Endo Surgery Inc Medical device
US11020140B2 (en) 2015-06-17 2021-06-01 Cilag Gmbh International Ultrasonic surgical blade for use with ultrasonic surgical instruments
US10357303B2 (en) 2015-06-30 2019-07-23 Ethicon Llc Translatable outer tube for sealing using shielded lap chole dissector
US10245064B2 (en) 2016-07-12 2019-04-02 Ethicon Llc Ultrasonic surgical instrument with piezoelectric central lumen transducer
USD847990S1 (en) 2016-08-16 2019-05-07 Ethicon Llc Surgical instrument
US11350959B2 (en) 2016-08-25 2022-06-07 Cilag Gmbh International Ultrasonic transducer techniques for ultrasonic surgical instrument
US10952759B2 (en) 2016-08-25 2021-03-23 Ethicon Llc Tissue loading of a surgical instrument

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095436A (en) *
US3727112A (en) * 1969-08-29 1973-04-10 Surgical Design Corp Generator for producing ultrasonic energy
GB8333696D0 (en) * 1983-12-17 1984-01-25 Glasshome Ltd Transistor amplifier

Also Published As

Publication number Publication date
GB9616186D0 (en) 1996-09-11
WO1998005437A1 (en) 1998-02-12

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