US4478217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser surgical apparatus
Assignee: Hitachi Ltd
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Filing: 1982-03-15
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Granted: 1984-10-23
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Expires: 2002-03-15
Abstract
Abstract In a laser surgical apparatus having a laser oscillator operable to oscillate to produce a laser beam, and an optical path connected to the laser oscillator for transmission of the laser beam, a hand piece at the fore end of the optical path is equipped with a vibrator element comprised of a piezoelectric transducer, and the vibrator element applies a vibration to the hand piece.
Inventors
- 👤 Tamotsu Shimada
- 👤 Akio Kumada
- 👤 Daizo Tokinaga
- 👤 Chiaki Shinbo
- 👤 Hideyuki Horiuchi
- 👤 Masamoto Takatsuji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:49
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; A61B2018/00636
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
113 words
A laser surgical apparatus comprising a laser oscillator operable to oscillate for producing a laser beam, an optical path connected to the laser oscillator for transmission of the laser beam and a hand piece connected to the optical path for irradiation of the laser beam onto an object, said hand piece being provided with vibration supply means for application of a vibration to said hand piece and including a piezoelectric transducer and vibration inducer means connected to said piezoelectric transducer, said vibration inducer means including a first vibration inducer for conversion of the vibration mode of said transducer and a second vibration inducer for transmission of a vibration from said first vibration inducer.
Claim 2
Dependent Claim
113 words
A laser surgical apparatus comprising a laser oscillator operable to oscillate for producing a laser beam, an optical path connected to the laser oscillator for transmission of the laser beam and a hand piece connected to the optical path for irradiation of the laser beam onto an object, said hand piece being provided with vibration supply means for application of a vibration to said hand piece and including a piezoelectric transducer and vibration inducer means connected to said piezoelectric transducer, said vibration inducer means including a first vibration inducer for conversion of the vibration mode of said transducer and a second vibration inducer for transmission of a vibration from said first vibration inducer.
Claim 3
Dependent Claim
90 words
A laser surgical apparatus comprising a laser oscillator operable to oscillate for producing a laser beam, an optical path connected to the laser oscillator for transmission of the laser beam, and a hand piece connected to the optical path and manipulated for irradiation of the laser beam onto an object, detecting means for detecting emission of the laser beam, vibration supply means provided for the hand piece for application of a vibration thereto, and drive means responsive to the output of said detecting means to drive said vibration supply means.
Claim 4
Dependent Claim
90 words
A laser surgical apparatus comprising a laser oscillator operable to oscillate for producing a laser beam, an optical path connected to the laser oscillator for transmission of the laser beam, and a hand piece connected to the optical path and manipulated for irradiation of the laser beam onto an object, detecting means for detecting emission of the laser beam, vibration supply means provided for the hand piece for application of a vibration thereto, and drive means responsive to the output of said detecting means to drive said vibration supply means.
Claim 5
Dependent Claim
17 words
A laser surgical apparatus according to claim 2, wherein said vibration supply means comprises a piezoelectric transducer.
Claim 6
Dependent Claim
21 words
A laser surgical apparatus according to claim 3, wherein said piezoelectric transducer is surrounded at its periphery by vibration inducer means.
Claim 7
Dependent Claim
42 words
A laser surgical apparatus according to claim 4, wherein said vibration inducer means comprises a first vibration inducer for conversion of the vibration mode of said transducer, and a second vibration inducer for transmission of a vibration from the first vibration inducer.
Claim 8
Dependent Claim
18 words
A laser surgical apparatus according to claim 1 wherein said piezoelectric transducer comprises a hollow pipe piezoelectric transducer.
Claim 9
Dependent Claim
17 words
A laser surgical apparatus according to claim 1 wherein said piezoelectric transducer comprises a bimorph piezoelectric transducer.
Claim 10
Dependent Claim
19 words
A laser surgical apparatus according to claim 3, wherein said piezoelectric transducer comprises a hollow pipe type piezoelectric transducer.
Claim 11
Dependent Claim
17 words
A laser surgical apparatus according to claim 3, wherein said piezoelectric transducer comprises a bimorph piezoelectric transducer.
Claim 12
Dependent Claim
97 words
A laser surgical apparatus comprising a laser oscillator operable to oscillate for producing a laser beam, an optical path connected to the laser oscillator for transmission of the laser beam, and a hand piece connected to the optical path for irradiation of the laser beam onto an object, and vibration means for indicating irradiation of the laser beam onto the object, said vibration means including vibration supply means for energization in synchronism with energization of said laser oscillator and for supplying vibration to said vibration means in synchronism with irradiation of the laser beam onto the object.
Claim 13
Dependent Claim
97 words
A laser surgical apparatus comprising a laser oscillator operable to oscillate for producing a laser beam, an optical path connected to the laser oscillator for transmission of the laser beam, and a hand piece connected to the optical path for irradiation of the laser beam onto an object, and vibration means for indicating irradiation of the laser beam onto the object, said vibration means including vibration supply means for energization in synchronism with energization of said laser oscillator and for supplying vibration to said vibration means in synchronism with irradiation of the laser beam onto the object.
Claim 14
Dependent Claim
36 words
A laser surgical apparatus according to claim 10, wherein said vibration means is coupled to said hand piece for causing said hand piece to vibrate in synchronism with irradiation of the laser beam onto the object.
Claim 15
Dependent Claim
37 words
A laser surgical apparatus according to claim 10, wherein said vibration means includes means for coupling said vibration means to the operator of said hand piece for indicating to the operator the irradiation of the laser beam.
Claim 16
Dependent Claim
41 words
A laser surgical apparatus according to claim 10, wherein said vibration supply means has an energization value in dependence upon the laser beam value so that the vibration value of said vibration means varies in accordance with the laser beam value.
Claim 17
Dependent Claim
31 words
A laser surgical apparatus according to claim 10, wherein said vibration supply means includes means responsive to energization of said laser oscillator for energizing said vibration supply means in synchronism therewith.
Claim 18
Dependent Claim
18 words
A laser surgical apparatus according to claim 10, wherein said piezoelectric transducer comprises a hollow pipe piezoelectric transducer.
Claim 19
Dependent Claim
17 words
A laser surgical apparatus according to claim 10, wherein said piezoelectric transducer comprises a bimorph piezoelectric transducer.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-10-23 | 1988-04-23 | 1988-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-23 | 1992-04-23 | 1992-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-23 | 1996-04-23 | 1996-10-23 | $7700.00 | Window Closed / Lapsed |