DE139753T1 - Ultraschall-oszillator. - Google Patents
Ultraschall-oszillator.Info
- Publication number
- DE139753T1 DE139753T1 DE198383901103T DE83901103T DE139753T1 DE 139753 T1 DE139753 T1 DE 139753T1 DE 198383901103 T DE198383901103 T DE 198383901103T DE 83901103 T DE83901103 T DE 83901103T DE 139753 T1 DE139753 T1 DE 139753T1
- Authority
- DE
- Germany
- Prior art keywords
- ultrasonic oscillator
- ultrasonic
- horn
- transistor
- oscillator according
- 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.)
- Pending
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
- A61B17/22—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for
- A61B17/22004—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
- A61B17/22012—Implements for squeezing-off ulcers or the like on the inside of inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; Calculus removers; Calculus smashing apparatus; Apparatus for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
-
- 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
- A61B2017/32007—Surgical cutting instruments using mechanical vibrations, e.g. ultrasonic with suction or vacuum means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/005—Auxiliary appliance with suction drainage system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2217/00—General characteristics of surgical instruments
- A61B2217/002—Auxiliary appliance
- A61B2217/007—Auxiliary appliance with irrigation system
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Vascular Medicine (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Mechanical Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Claims (8)
1. Ultraschalloszillator mit einer Stromversorgungseinrichtung zum Gleichrichten eines Wechselstromsignals von
einer Energiequelle zu einem Gleichstromsignal,
einem Verstärker zum Verstärken des Gleichstromsignals von der Stromversorgungseinrichtung, wobei der Verstärker
eine Leistungsverstärkerschaltung zum Einstellen einer Amplitude einer abgegebenen Leistung davon ohne Phasenunterschied
zwischen dieser abgegebenen Leistung und einem dazu zurückgeführten Signal und eine Zündimpuls vermindernde Schaltung
zum Vermindern eines elektrischen Impulses während eines Startes der Oszillation einschließt,
einer Angleichungseinrichtung zum Angleichen eines Abgabesignals von dem Verstärker,
einer Rückführungseinrichtung zum Zurückführen gewisser Signale von der Angleichungseinrichtung zu der Leistungsverstärkerschaltung
im Verstärker und
einem Ultraschallwandler mit einem Elektrostriktionswandler, der mit der Angleichungseinrichtung verbunden ist.
2. Ultraschalloszillator nach Anspruch 1, wobei die den Zündimpuls vermindernde Schaltung einen zwischen einem
Oszillations-Zündschalter und einer Basis eines Transistors in Reihe geschalteten Widerstands und einen anderen Widerstand
und einen Kondensator einschließt, die parallel zwischen die Basis des Transistors und einer Verbindung geschaltet sind.
3. Ultraschalloszillator nach Anspruch 1, bei dem die Leistungsverstärkerschaltung eine Parallelschaltung einer
Diode und eines Kondensators, die mit einer Basis eines Verstärkungstransistors in Reihe geschaltet sind und eine
Parallelschaltung eines Widerstandes und eines anderen Kondensators einschließt, die zwischen einem Emitter des
Transistors und einer Basis eines folgenden Transistors verbunden sind.
4. Ultraschalloszillator nach Anspruch 1, bei dem der Ultraschallwandler an einem vorderen Ende einen Schalltrichter,
in dem eine Ansaugöffnung gebildet ist, einschließt, wobei ein Berieselungsrohr in einer Position nahe dem Schalltrichter
angeordnet ist.
5. Ultraschalloszillator nach Anspruch 4, bei dem der Ultraschallwandler einen hohlen Elektrostriktionswandler
einschließt und die Ansaugöffnung sich durch den Schalltrichter
hindurch bis zu einem gegebenen Punkt einer rückwärtigen Platte erstreckt.
6. Ultraschalloszillator nach Anspruch 4, bei dem eine physiologische Salzlösung oder ähnliches durch das Berieselungsrohr
zu einem befallenen Teil, an dem operiert werden soll, geleitet wird und bei dem ein Gewebe des operierten
Teiles, das mit dem vorderen Ende des Schalltrichters in Berührung steht, durch in dem Schalltrichter erzeugte Ultraschal !vibrationen zerschlagen wird, wobei die physiologische
Salzlösung oder ähnliches und die Zellstücke etc., die durch die Ultraschallvibrationen aufgeschwemmt werden, durch die
Ansaugöffnung angesaugt und entfernt werden.
7. Ultraschalloszillator nach Anspruch 6, bei dem ein
Material des Schalltrichters eine Titanlegierung ist.
8. Ultraschalloszillator nach Anspruch 6, wobei ein
Handgriff, ein Verbindungsrohr und ein Schutzrohr jeweils aus einem Metall hergestellt sind, das leicht und beständig
gegen Korrosion ist, vorzugsweise Aluminium oder Duraluminium.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1983/000106 WO1984003828A1 (en) | 1983-04-04 | 1983-04-04 | Ultrasonic oscillator |
Publications (1)
Publication Number | Publication Date |
---|---|
DE139753T1 true DE139753T1 (de) | 1986-11-27 |
Family
ID=13789978
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383901103T Expired DE3378401D1 (en) | 1983-04-04 | 1983-04-04 | Ultrasonic oscillator |
DE198383901103T Pending DE139753T1 (de) | 1983-04-04 | 1983-04-04 | Ultraschall-oszillator. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383901103T Expired DE3378401D1 (en) | 1983-04-04 | 1983-04-04 | Ultrasonic oscillator |
Country Status (4)
Country | Link |
---|---|
US (1) | US4587958A (de) |
EP (1) | EP0139753B1 (de) |
DE (2) | DE3378401D1 (de) |
WO (1) | WO1984003828A1 (de) |
Families Citing this family (112)
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US4223676A (en) * | 1977-12-19 | 1980-09-23 | Cavitron Corporation | Ultrasonic aspirator |
US4245649A (en) * | 1978-07-25 | 1981-01-20 | Schmidt Andersen Poul | Device for monitoring biological signals from patients, while an electro-surgical appliance is being simultaneously used |
US4236510A (en) * | 1979-02-21 | 1980-12-02 | Hatter Edward E | Ultrasonic tooth cleaning apparatus |
US4330278A (en) * | 1980-06-30 | 1982-05-18 | Howard Martin | Endodontic flow-through ultrasonic instrument holder device |
-
1983
- 1983-04-04 WO PCT/JP1983/000106 patent/WO1984003828A1/ja active IP Right Grant
- 1983-04-04 DE DE8383901103T patent/DE3378401D1/de not_active Expired
- 1983-04-04 US US06/618,398 patent/US4587958A/en not_active Expired - Lifetime
- 1983-04-04 EP EP83901103A patent/EP0139753B1/de not_active Expired
- 1983-04-04 DE DE198383901103T patent/DE139753T1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0139753B1 (de) | 1988-11-09 |
US4587958A (en) | 1986-05-13 |
EP0139753A4 (de) | 1986-11-20 |
DE3378401D1 (en) | 1988-12-15 |
EP0139753A1 (de) | 1985-05-08 |
WO1984003828A1 (en) | 1984-10-11 |
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