DE69804765T2 - Eindeutiger mehrfrequenz-phasendetektor für phacoemulsifikationsystem - Google Patents
Eindeutiger mehrfrequenz-phasendetektor für phacoemulsifikationsystemInfo
- Publication number
- DE69804765T2 DE69804765T2 DE69804765T DE69804765T DE69804765T2 DE 69804765 T2 DE69804765 T2 DE 69804765T2 DE 69804765 T DE69804765 T DE 69804765T DE 69804765 T DE69804765 T DE 69804765T DE 69804765 T2 DE69804765 T2 DE 69804765T2
- Authority
- DE
- Germany
- Prior art keywords
- voltage
- current
- handpiece
- signal
- phase
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 17
- 230000010354 integration Effects 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- FVEYIFISRORTDD-ROUUACIJSA-N 2-(4-phenoxyphenoxy)-6-[(1S,4S)-5-prop-2-enoyl-2,5-diazabicyclo[2.2.1]heptan-2-yl]pyridine-3-carboxamide Chemical compound C(C=C)(=O)N1[C@@H]2CN([C@H](C1)C2)C1=NC(=C(C(=O)N)C=C1)OC1=CC=C(C=C1)OC1=CC=CC=C1 FVEYIFISRORTDD-ROUUACIJSA-N 0.000 description 1
- 125000003345 AMP group Chemical group 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920006227 ethylene-grafted-maleic anhydride Polymers 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
- A61F9/007—Methods or devices for eye surgery
- A61F9/00736—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract instruments
- A61F9/00745—Instruments for removal of intra-ocular material or intra-ocular injection, e.g. cataract 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
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/50—Application to a particular transducer type
- B06B2201/55—Piezoelectric transducer
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Surgical Instruments (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/787,229 US5852794A (en) | 1997-01-22 | 1997-01-22 | Multiple frequency unambiguous phase detector for phacoemulsification system |
| PCT/US1998/001004 WO1998031476A1 (en) | 1997-01-22 | 1998-01-21 | Unambiguous multiple-frequency phase detector for phacoemulsification system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69804765D1 DE69804765D1 (de) | 2002-05-16 |
| DE69804765T2 true DE69804765T2 (de) | 2003-02-20 |
Family
ID=25140810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69804765T Expired - Lifetime DE69804765T2 (de) | 1997-01-22 | 1998-01-21 | Eindeutiger mehrfrequenz-phasendetektor für phacoemulsifikationsystem |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5852794A (enExample) |
| EP (1) | EP0954386B1 (enExample) |
| JP (1) | JP3974662B2 (enExample) |
| DE (1) | DE69804765T2 (enExample) |
| WO (1) | WO1998031476A1 (enExample) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394974B1 (en) | 1997-01-22 | 2002-05-28 | Allergan Sales, Inc. | Power mode phaco |
| US6629948B2 (en) * | 1997-01-22 | 2003-10-07 | Advanced Medical Optics | Rapid pulse phaco power for burn free surgery |
| US6780165B2 (en) | 1997-01-22 | 2004-08-24 | Advanced Medical Optics | Micro-burst ultrasonic power delivery |
| US7169123B2 (en) | 1997-01-22 | 2007-01-30 | Advanced Medical Optics, Inc. | Control of pulse duty cycle based upon footswitch displacement |
| US5938677A (en) * | 1997-10-15 | 1999-08-17 | Alcon Laboratories, Inc. | Control system for a phacoemulsification handpiece |
| SE511145C2 (sv) * | 1997-12-23 | 1999-08-09 | Ericsson Telefon Ab L M | Metod och anordning för detektering av fasskillnad |
| US6028387A (en) * | 1998-06-29 | 2000-02-22 | Alcon Laboratories, Inc. | Ultrasonic handpiece tuning and controlling device |
| US6997935B2 (en) * | 2001-11-20 | 2006-02-14 | Advanced Medical Optics, Inc. | Resonant converter tuning for maintaining substantially constant phaco handpiece power under increased load |
| US7316664B2 (en) | 2002-10-21 | 2008-01-08 | Advanced Medical Optics, Inc. | Modulated pulsed ultrasonic power delivery system and method |
| US7077820B1 (en) | 2002-10-21 | 2006-07-18 | Advanced Medical Optics, Inc. | Enhanced microburst ultrasonic power delivery system and method |
| US20040092921A1 (en) * | 2002-10-21 | 2004-05-13 | Kadziauskas Kenneth E. | System and method for pulsed ultrasonic power delivery employing cavitation effects |
| EP2604235A1 (en) | 2003-03-12 | 2013-06-19 | Abbott Medical Optics Inc. | System and method for pulsed ultrasonic power delivery employing cavitation effects |
| US7846126B2 (en) * | 2003-07-14 | 2010-12-07 | Abbott Medical Optics, Inc. | System and method for modulated surgical procedure irrigation and aspiration |
| US7785336B2 (en) * | 2006-08-01 | 2010-08-31 | Abbott Medical Optics Inc. | Vacuum sense control for phaco pulse shaping |
| US10596032B2 (en) | 2007-05-24 | 2020-03-24 | Johnson & Johnson Surgical Vision, Inc. | System and method for controlling a transverse phacoemulsification system with a footpedal |
| US10485699B2 (en) * | 2007-05-24 | 2019-11-26 | Johnson & Johnson Surgical Vision, Inc. | Systems and methods for transverse phacoemulsification |
| US10363166B2 (en) | 2007-05-24 | 2019-07-30 | Johnson & Johnson Surgical Vision, Inc. | System and method for controlling a transverse phacoemulsification system using sensed data |
| US9050627B2 (en) | 2011-09-02 | 2015-06-09 | Abbott Medical Optics Inc. | Systems and methods for ultrasonic power measurement and control of phacoemulsification systems |
| US11877953B2 (en) | 2019-12-26 | 2024-01-23 | Johnson & Johnson Surgical Vision, Inc. | Phacoemulsification apparatus |
| US12472094B2 (en) | 2020-05-21 | 2025-11-18 | Johnson & Johnson Surgical Vision, Inc. | Phacoemulsification probe comprising magnetic sensors and/or multiple independent piezoelectric vibrators |
| US12178750B2 (en) | 2020-11-23 | 2024-12-31 | Johnson & Johnson Surgical Vision, Inc. | Removal of cataract debris |
| US12324770B2 (en) | 2021-04-15 | 2025-06-10 | Johnson & Johnson Surgical Vision, Inc. | Compensating for imperfect behavior of multi-piezoelectric crystal |
| US12310888B2 (en) | 2021-11-18 | 2025-05-27 | Johnson & Johnson Surgical Vision, Inc. | On-the-fly tuning for piezoelectric ultrasonic handpieces |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4954960A (en) * | 1986-11-07 | 1990-09-04 | Alcon Laboratories | Linear power control for ultrasonic probe with tuned reactance |
| US4970656A (en) * | 1986-11-07 | 1990-11-13 | Alcon Laboratories, Inc. | Analog drive for ultrasonic probe with tunable phase angle |
| EP0270819A3 (en) * | 1986-11-07 | 1989-01-11 | Alcon Laboratories, Inc. | Linear power control for ultrasonic probe with tuned reactance |
| US5001649A (en) * | 1987-04-06 | 1991-03-19 | Alcon Laboratories, Inc. | Linear power control for ultrasonic probe with tuned reactance |
| US5431664A (en) * | 1994-04-28 | 1995-07-11 | Alcon Laboratories, Inc. | Method of tuning ultrasonic devices |
-
1997
- 1997-01-22 US US08/787,229 patent/US5852794A/en not_active Expired - Lifetime
-
1998
- 1998-01-21 JP JP53338098A patent/JP3974662B2/ja not_active Expired - Lifetime
- 1998-01-21 EP EP98904597A patent/EP0954386B1/en not_active Expired - Lifetime
- 1998-01-21 DE DE69804765T patent/DE69804765T2/de not_active Expired - Lifetime
- 1998-01-21 WO PCT/US1998/001004 patent/WO1998031476A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998031476A1 (en) | 1998-07-23 |
| JP3974662B2 (ja) | 2007-09-12 |
| DE69804765D1 (de) | 2002-05-16 |
| JP2002513325A (ja) | 2002-05-08 |
| EP0954386A1 (en) | 1999-11-10 |
| EP0954386B1 (en) | 2002-04-10 |
| US5852794A (en) | 1998-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8332 | No legal effect for de | ||
| 8370 | Indication related to discontinuation of the patent is to be deleted | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ADVANCED MEDICAL OPTICS, INC., SANTA ANA, CALIF., |
|
| 8327 | Change in the person/name/address of the patent owner |
Owner name: ABBOTT MEDICAL OPTICS INC. (N.D. GES.D. STAATE, US |