Patent US3667289A successfully refreshed from Google Patents.
Patent US5084043A successfully refreshed from Google Patents.
US5084043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for performing a percutaneous diskectomy using a laser
Assignee: Laserscope Inc
•
Filing: 1990-01-12
•
Granted: 1992-01-28
•
Expires: 2010-01-12
Abstract
Abstract A method for performing percutaneous diskectomy using a laser applies a laser beam from the laser to vaporize nucleus pulposus in the nucleus of the herniated disc. The wavelength of the laser beam will vary and depend on the laser system used.
Inventors
- 👤 Peter S. Hertzmann
- 👤 Jordan K. Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:03
CPC Classifications
A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; A61B18/22; A61B18/24; A61B17/00; A61B17/32; A61B17/00234; A61B2017/00238; A61B2017/00261
Claims Analysis
Total Claims: 47
Claim 1
Independent Claim
56 words
A method of performing percutaneous diskectomy using a laser comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength in the range of 350 nanometers through 1,000 nanometers.
Claim 2
Independent Claim
56 words
A method of performing percutaneous diskectomy using a laser comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength in the range of 350 nanometers through 1,000 nanometers.
Claim 3
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1, wherein the wavelength is 647 nanometers.
Claim 4
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 488 nanometers.
Claim 5
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 532 nanometers.
Claim 6
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 354.7 nanometers.
Claim 7
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 440 nanometers.
Claim 8
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 990 nanometers.
Claim 9
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 495 nanometers.
Claim 10
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 730 nanometers.
Claim 11
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 780 nanometers.
Claim 12
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 365 nanometers.
Claim 13
Dependent Claim
16 words
A method of performing percutaneous diskectomy according to claim 1 wherein the wavelength is 390 nanometers.
Claim 14
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the leaser beam in the nucleus of the disk, said laser beam having a wavelength of 5 microns.
Claim 15
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the leaser beam in the nucleus of the disk, said laser beam having a wavelength of 5 microns.
Claim 16
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 7 microns.
Claim 17
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 7 microns.
Claim 18
Independent Claim
46 words
A method of performing percutaneous diskectomy comprising applying laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 1950 nanometers.
Claim 19
Independent Claim
46 words
A method of performing percutaneous diskectomy comprising applying laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 1950 nanometers.
Claim 20
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 2115 nanometers.
Claim 21
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 2115 nanometers.
Claim 22
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 1.75 microns.
Claim 23
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 1.75 microns.
Claim 24
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 2.5 microns.
Claim 25
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 2.5 microns.
Claim 26
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 10.6 microns.
Claim 27
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 10.6 microns.
Claim 28
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 2.94 microns.
Claim 29
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 2.94 microns.
Claim 30
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 1320 nanometers.
Claim 31
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 1320 nanometers.
Claim 32
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 330 nanometers.
Claim 33
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 330 nanometers.
Claim 34
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 308 nanometers.
Claim 35
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 308 nanometers.
Claim 36
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 266 nanometers.
Claim 37
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 266 nanometers.
Claim 38
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 2150 nanometers.
Claim 39
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 2150 nanometers.
Claim 40
Independent Claim
47 words
A method of performing percutaneous dickectomy comprising applying a laser beam to a herniated disk, having a nucleus, while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 249 nanometers.
Claim 41
Independent Claim
47 words
A method of performing percutaneous dickectomy comprising applying a laser beam to a herniated disk, having a nucleus, while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 249 nanometers.
Claim 42
Independent Claim
47 words
A method of performing percutaneous dickectomy comprising applying a laser beam to a herniated disk, having a nucleus, while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 193 nanometers.
Claim 43
Independent Claim
47 words
A method of performing percutaneous dickectomy comprising applying a laser beam to a herniated disk, having a nucleus, while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 193 nanometers.
Claim 44
Independent Claim
47 words
A method of performing percutaneous dickectomy comprising applying a laser beam to a herniated disk, having a nucleus, while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 248 nanometers.
Claim 45
Independent Claim
47 words
A method of performing percutaneous dickectomy comprising applying a laser beam to a herniated disk, having a nucleus, while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 248 nanometers.
Claim 46
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 514.5 nanometers.
Claim 47
Independent Claim
47 words
A method of performing percutaneous diskectomy comprising applying a laser beam to a herniated disk having a nucleus while deflecting the laser beam away from a longitudinal axis of the laser beam in the nucleus of the disk, said laser beam having a wavelength of 514.5 nanometers.
References Cited (Backward Citations)
US3769963A
Cited
US4369788A
Cited
US4545374A
Cited
US4737628A
Cited
US4678459A
Cited
US4694828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-01-27 | 1995-07-29 | 1996-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-01-27 | 1999-07-29 | 2000-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-01-27 | 2003-07-29 | 2004-01-28 | $7700.00 | Window Closed / Lapsed |