CA2359439A1 - Ultrasonic surgical system - Google Patents

Ultrasonic surgical system Download PDF

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Publication number
CA2359439A1
CA2359439A1 CA002359439A CA2359439A CA2359439A1 CA 2359439 A1 CA2359439 A1 CA 2359439A1 CA 002359439 A CA002359439 A CA 002359439A CA 2359439 A CA2359439 A CA 2359439A CA 2359439 A1 CA2359439 A1 CA 2359439A1
Authority
CA
Canada
Prior art keywords
blade
digital
hand piece
ultrasonic
current
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.)
Granted
Application number
CA002359439A
Other languages
French (fr)
Other versions
CA2359439C (en
Inventor
Eitan T. Wiener
William T. Donofrio
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.)
Ethicon Endo Surgery Inc
Original Assignee
Ethicon Endo Surgery Inc
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 Ethicon Endo Surgery Inc filed Critical Ethicon Endo Surgery Inc
Publication of CA2359439A1 publication Critical patent/CA2359439A1/en
Application granted granted Critical
Publication of CA2359439C publication Critical patent/CA2359439C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00026—Conductivity or impedance, e.g. of tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00681—Aspects not otherwise provided for
    • A61B2017/00725—Calibration or performance testing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320069—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic for ablating tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320071—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with articulating means for working tip
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/32—Surgical cutting instruments
    • A61B17/320068—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic
    • A61B2017/320089—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic node location
    • 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
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/76—Medical, dental

Abstract

An ultrasonic surgical system utilizes a digital control system to generate ultrasonic drive current for transducers that are located in a hand piece and are attached to a surgical scalpel or blade in the hand piece so as to vibrate the blade in response to the current. The digital control includes a digital signal processor (DSP) or microprocessor; a direct digital synthesis (DDS) device; a phase detection logic scheme, a control algorithm for seeking and maintaining resonance frequency; and design scheme that allows to regulate current, voltage, and power delivered to an ultrasonic thereby a device. Such system allows the power versus load output curve to be tailored to a specific hand piece, which improves efficiency and reduces heat. Further, the components of the digital system are much less sensitive to temperature variations, thereby allowing it to operate with narrow as needed frequency range around the desired resonance in order to avoid excitation of other resonances. Also, the digital system provides increased flexibility in locating the resonance frequency of the blade and running diagnostic tests. The start of a user initiated diagnostic test that requires movement of the blade is caused by operating two of the system switches, which guards against accidental operation of the blade which could be harmful if in contact with tissue and also generate false diagnostic results. In addition, the system has interlock with an Electrosurgical unit so that it is not effected by the electromagnetic interference generated by that unit.
CA002359439A 2000-10-20 2001-10-17 Ultrasonic surgical system Expired - Lifetime CA2359439C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/693,621 2000-10-20
US09/693,621 US7476233B1 (en) 2000-10-20 2000-10-20 Ultrasonic surgical system within digital control

Publications (2)

Publication Number Publication Date
CA2359439A1 true CA2359439A1 (en) 2002-04-20
CA2359439C CA2359439C (en) 2008-12-09

Family

ID=24785418

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002359439A Expired - Lifetime CA2359439C (en) 2000-10-20 2001-10-17 Ultrasonic surgical system

Country Status (7)

Country Link
US (1) US7476233B1 (en)
EP (1) EP1199047B1 (en)
JP (1) JP4159771B2 (en)
AU (1) AU783953B2 (en)
CA (1) CA2359439C (en)
DE (1) DE60126038T2 (en)
ES (1) ES2279793T3 (en)

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CN105499109A (en) * 2015-12-23 2016-04-20 中国科学院声学研究所东海研究站 Ultrasonic anti-scaling and descaling control system
CN108289706A (en) * 2015-09-30 2018-07-17 伊西康有限责任公司 Protection technique for the generator for digitally generating electrosurgery and ultrasonic electric signal waveform
CN113367772A (en) * 2015-12-18 2021-09-10 史赛克公司 Ultrasonic surgical tool system

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Publication number Priority date Publication date Assignee Title
CN108289706A (en) * 2015-09-30 2018-07-17 伊西康有限责任公司 Protection technique for the generator for digitally generating electrosurgery and ultrasonic electric signal waveform
CN113367772A (en) * 2015-12-18 2021-09-10 史赛克公司 Ultrasonic surgical tool system
CN105499109A (en) * 2015-12-23 2016-04-20 中国科学院声学研究所东海研究站 Ultrasonic anti-scaling and descaling control system

Also Published As

Publication number Publication date
JP4159771B2 (en) 2008-10-01
DE60126038T2 (en) 2007-08-23
JP2002209907A (en) 2002-07-30
ES2279793T3 (en) 2007-09-01
EP1199047B1 (en) 2007-01-17
DE60126038D1 (en) 2007-03-08
US7476233B1 (en) 2009-01-13
EP1199047A2 (en) 2002-04-24
CA2359439C (en) 2008-12-09
AU7948301A (en) 2002-05-02
AU783953B2 (en) 2006-01-05
EP1199047A3 (en) 2004-05-19

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