US4141362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser endoscope
Assignee: Richard Wolf GmbH
•
Filing: 1977-05-23
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Granted: 1979-02-27
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Expires: 1997-05-23
Abstract
Abstract Endoscope equipped both with an observation optic and a Laser beam, including a deflectable reflector enabling the laser beam to scan the body tissue and a focus enabling the laser beam focal plane to be varied depth-wise in the body tissue.
Inventors
- 👤 Helmut Wurster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:31
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/24; G02B23/2407; A; A61; A61B; A61B1/00; A61B1/002; A61B18/00; A61B18/18; A61B18/20; A61B18/201
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
179 words
A combined optic endoscope and surgical Laser attachment comprising, an elongated shaft of a size for body tissue endoscopy; containing a single lens relay system including an objective lens for directing to the operation site a Laser beam while allowing simultaneous observation of the operating site through the same lens system, a Laser beam transmitting lens system positioned on said shaft and attached thereto, a manually tiltable Laser beam deflection mirror permeable to visible light located at one end of and on the axis of each of the lens relay system and transmitting lens system, said mirror being in position to receive and deflect to said lens relay system including the objective lens; the transmitted Laser beam, and an optic observation lens and related ocular on said shaft on the axis of said mirror and lens relay system and located on the side of said mirror opposite said lens relay system allowing the surgeon to observe the operation site, so that by tilting said mirror the Laser beam may be directed to any spot within the optic observation field.
Claim 2
Dependent Claim
179 words
A combined optic endoscope and surgical Laser attachment comprising, an elongated shaft of a size for body tissue endoscopy; containing a single lens relay system including an objective lens for directing to the operation site a Laser beam while allowing simultaneous observation of the operating site through the same lens system, a Laser beam transmitting lens system positioned on said shaft and attached thereto, a manually tiltable Laser beam deflection mirror permeable to visible light located at one end of and on the axis of each of the lens relay system and transmitting lens system, said mirror being in position to receive and deflect to said lens relay system including the objective lens; the transmitted Laser beam, and an optic observation lens and related ocular on said shaft on the axis of said mirror and lens relay system and located on the side of said mirror opposite said lens relay system allowing the surgeon to observe the operation site, so that by tilting said mirror the Laser beam may be directed to any spot within the optic observation field.
Claim 3
Dependent Claim
27 words
The combination according to claim 1, characterized by the fact that the the diameter of the deflection mirror is smaller than that of the optic observation lens.
Claim 4
Dependent Claim
35 words
The combination as defined in claim 2 characterized by providing between the deflection mirror and the ocular of the optic observation lens a filter not admitting passage of the wave length of the Laser beam.
Claim 5
Dependent Claim
65 words
The combination as defined in claim 3 characterized by the fact that the deflection mirror is fastened to a manually operable rod supported on said shaft to be pivotal about its center to produce pivotal movement of the deflection mirror and also having limited mobility in its longitudinal direction to allow withdrawal of the deflection mirror from the beam path of the optic observation lens.
Claim 6
Dependent Claim
64 words
The combination as defined in claim 2 characterized by the fact that the deflection mirror is fastened to a manually operable rod supported on said shaft to be pivotal about its center to produce pivoting of the deflection mirror and also having limited mobility in its longitudinal direction to allow withdrawal of the deflection mirror from the beam path of the optic observation lens.
Claim 7
Dependent Claim
53 words
The combination as defined in claim 1, characterized by the fact that the Laser beam transmitting lens system includes a displaceable; focusing installation included as part of the combination and through which the focus plane of the Laser beam is displaceable in the direction of the optical axis of the optic observation lens.
Claim 8
Dependent Claim
61 words
The combination as defined in claim 1, characterized by the fact that the deflection mirror is fastened to a manually operable rod supported on said shaft to be pivotal about its center to pivot the mirror and also having limited mobility in its longitudinal direction to allow withdrawal of the deflection mirror from the beam path of the optic observation lens.
Claim 9
Dependent Claim
79 words
The combination as defined in claim 7, characterized by the fact that the shaft includes a fixed spherical support segment having an opening therein, said rod being supported in a bushing extending through said opening in the fixed spherical support segment, the bushing being guided by two spherical guide segments displaceably mounted on said support segment, respectively covering the opening internally and externally, the opening in said support segment being centered on the axis of the optic observation lens.
Claim 10
Dependent Claim
36 words
The combination as defined in claim 8, characterized by the rod and bushing being provided with cooperating stop means which fixes the position of the deflection mirror on the optical axis of the optic observation lens.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-02-26 | 1982-08-28 | 1983-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-02-26 | 1986-08-28 | 1987-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-02-26 | 1990-08-28 | 1991-02-27 | $7700.00 | Window Closed / Lapsed |