Patent US3910276A successfully refreshed from Google Patents.
US3910276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Micro-surgical laser system
Assignee: American Optical Corp
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Filing: 1974-05-23
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Granted: 1975-10-07
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Expires: 1994-05-23
Abstract
Abstract A micro-surgical laser system wherein a carbon dioxide (CO2) laser is fixedly attached to the freely positionable combination of an operation or surgical microscope and a stereo laser endoscope. This arrangement completely eliminates the need for a bulky and/or complex laser-beam-guiding articulated arm apparatus. The laser features novel and light-weight construction, and novel means for heat exchanging.
Inventors
- 👤 Thomas G Polanyi
- 👤 Jan Pejchar
- 👤 Robert A Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:22
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/001; A; A61; A61B; A61B18/00; A61B18/18; A61B18/20; B; B23; B23K; B23K26/00; B23K26/08; B23K26/10; A61B90/00; A61B90/50
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
70 words
A surgical laser system comprising in combination a system support, an operation microscope mounted on said support, means for aiming said microscope in any desired direction, a stereo laser endoscope operatively and fixedly connected to said microscope, an infra-red laser device supported by said microscope said device operatively and fixedly connected to said endoscope, and peripheral means for energizing, cooling, and providing gas and fluid flow to said laser device.
Claim 2
Dependent Claim
70 words
A surgical laser system comprising in combination a system support, an operation microscope mounted on said support, means for aiming said microscope in any desired direction, a stereo laser endoscope operatively and fixedly connected to said microscope, an infra-red laser device supported by said microscope said device operatively and fixedly connected to said endoscope, and peripheral means for energizing, cooling, and providing gas and fluid flow to said laser device.
Claim 3
Dependent Claim
61 words
A system as recited in claim 1 and wherein said system support comprises a horizontally mobile upright member, a sleeve vertically movable on said upright member, said upright member including counterbalance means for maintaining said sleeve at a desired position, and an extendable mechanical arm affixed to said sleeve, the distal end of said arm including means for holding said microscope.
Claim 4
Dependent Claim
17 words
A system as recited in claim 1 and wherein said infra-red laser device comprises a CO2 laser.
Claim 5
Dependent Claim
24 words
A system as recited in claim 2 and wherein said holding means includes pivotable means for rotating said microscope about two mutually orthogonal axis.
Claim 6
Dependent Claim
18 words
A system as recited in claim 1 and wherein said peripheral means is supported by said system support.
Claim 7
Dependent Claim
32 words
A system as recited in claim 3 and wherein said peripheral means includes heat exchanger means for maintaining the gas of said CO2 laser at a temperature only slightly above ambient temperature.
Claim 8
Dependent Claim
16 words
A system as recited in claim 2 wherein said infra-red laser device comprises a CO2 laser.
Claim 9
Dependent Claim
24 words
A system as recited in claim 7 and wherein said holding means includes pivotable means for rotating said microscope about two mutually orthogonal axis.
Claim 10
Dependent Claim
18 words
A system as recited in claim 8 and wherein said peripheral means is supported by said system support.
Claim 11
Dependent Claim
32 words
A system as recited in claim 9 and wherein said peripheral means includes heat exchanger means for maintaining the gas of said CO2 laser at a temperature only slightly above ambient temperature.
Claim 12
Dependent Claim
107 words
A system as recited in claim 1 and wherein said laser device comprises thin-walled tubular support means for permitting temperature gradients virtually only in the axial direction of said tubular support means, two parallel mirrors supported at opposite distal ends of said tubular support means for successively reflecting energy of said device, said tubular support means employing central support structure midway between said distal ends to permit minimum loading variation on said device when said aiming means is operated, said tubular support means thereby maintaining said mirrors in said mutually parallel orientation and maintaining said device operative when said aiming means and said peripheral means are operated.
Claim 13
Dependent Claim
61 words
A system as recited in claim 11 and wherein said system support comprises a horizontally mobile upright member, a sleeve vertically movable on said upright member, said upright member including counterbalance means for maintaining said sleeve at a desired position, and an extendable mechanical arm affixed to said sleeve, the distal end of said arm including means for holding said microscope.
Claim 14
Dependent Claim
17 words
A system as recited in claim 12 and wherein said infra-red laser device comprises a CO2 laser.
Claim 15
Dependent Claim
24 words
A system as recited in claim 13 and wherein said holding means includes pivotable means for rotating said microscope about two mutually orthogonal axis.
Claim 16
Dependent Claim
18 words
A system as recited in claim 14 and wherein said peripheral means is supported by said system support.
Claim 17
Dependent Claim
32 words
A system as recited in claim 15 and wherein said peripheral means includes heat exchanger means for maintaining the gas of said CO2 laser at a temperature only slightly above ambient temperature.
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) | 1978-10-06 | 1979-04-07 | 1979-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-06 | 1983-04-07 | 1983-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-06 | 1987-04-07 | 1987-10-07 | $7700.00 | Window Closed / Lapsed |