Multiwavelength medical laser method

Patent 5139494 Issued on August 18, 1992. Estimated Expiration Date:

September 4, 2011. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

Medical laser instrument for transmitting infrared laser energy to a selected part of the body
Patent #: 4170997
Issued on: 10/16/1979
Inventor: Pinnow , et al.

Apparatus for applying intense light radiation to a limited area
Patent #: 4233493
Issued on: 11/11/1980
Inventor: Nath

Laser knife device
Patent #: 4408602
Issued on: 10/11/1983
Inventor: Nakajima

Laser surgery
Patent #: 4503854
Issued on: 03/12/1985
Inventor: Jako

Laser endocoagulator apparatus
Patent #: 4537193
Issued on: 08/27/1985
Inventor: Tanner

Manipulator for laser knife
Patent #: 4538609
Issued on: 09/03/1985
Inventor: Takenaka , et al.

Apparatus for coagulation by heat radiation
Patent #: 4539987
Issued on: 09/10/1985
Inventor: Nath , et al.

Laser irradiation apparatus
Patent #: 4573465
Issued on: 03/04/1986
Inventor: Sugiyama , et al.

Medical and surgical laser probe
Patent #: 4592353
Issued on: 06/03/1986
Inventor: Daikuzono

Excimer laser delivery system, angioscope and angioplasty system incorporating the delivery system and angioscope
Patent #: 4641912
Issued on: 02/10/1987
Inventor: Goldenberg

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Inventor

Freiberg, Robert J.

Assignee

Premier Laser Systems, Inc.

Application

No. 754327 filed on 09/04/1991

US Classes:

606/3, With particular wavelength606/10, Systems606/15, With optical fiber606/16With optical fiber

Examiners

Primary: Cohen, Lee S.

Attorney, Agent or Firm

Knobbe, Martens, Olson & Bear

Foreign Patent References

B38742 AU. 08/13/1985
0198959 EP 10/13/1986
0214712 EP. 03/13/1987
2717421 DE 11/13/1978
2809007 DE 09/13/1979
3528531 DE 02/13/1987
8705794 WO 10/13/1987

International Class

A61N 005/06

Abstract

A medical system for transmitting and delivering to a tissue site multiwavelength therapeutic radiant energy along a common optical pathway. Also included is a laser catheter suitable for engaging multiple sources of laser energy and transmitting multiwavelength therapeutic laser energy along a common optical path for delivery to a worksite.