Patent US5722934A successfully refreshed from Google Patents.
US5722934A
Expired / Lapsed
US
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Method and devices for endoscopoic vessel harvesting
Assignee: Livanova Holding USA Inc
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Filing: 1996-08-15
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Granted: 1998-03-03
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Expires: 2016-08-15
Abstract
Abstract A method for removing a vessel from a patient's body comprises the steps of identifying the vessel to be removing and providing an incision in the patient's body near the identified vessel. An optical dissector is inserted through the incision and tissue is optically dissected away from the surface of the vessel with the optical dissector. The optical dissector is then withdrawn from the body through the incision. An optical retractor is inserted into the body through the incision and is used to retract the dissected tissue away from the surface of the vessel thereby providing space between the dissected vessel and the retracted tissue. The vessel and its side branches are then dissected, ligated and transected and the vessel is then removed from the body through the incision.
Inventors
- 👤 Gary W. Knight
- 👤 Julia C. Taylor
- 👤 Michael F. Clem
- 👤 Felmont F. Eaves, III
- 👤 Alan B. Lumsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:51
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/012; A61B1/018; A61B17/00; A61B17/00008; A61B17/00234; A61B17/02; A61B17/0218; A61B17/12; A61B17/128; A61B17/1285; A61B2017/0042; A61B2017/00424; A61B2017/00743; A61B2017/00778; A61B2017/00831; A61B2017/00902; A61B2017/00907; A61B2017/00969; A61B17/32; A61B2017/320044; A61B90/00; A61B90/30
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
54 words
A device for dissecting tissue comprising: a shaft having a lumen therethrough for receiving an endoscope therein; and a transparent concave head connected to a distal end of the shaft, the head having a spoon-shape and defining a cavity therein, said cavity serving as a working space for an end effector of an instrument.
Claim 2
Independent Claim
54 words
A device for dissecting tissue comprising: a shaft having a lumen therethrough for receiving an endoscope therein; and a transparent concave head connected to a distal end of the shaft, the head having a spoon-shape and defining a cavity therein, said cavity serving as a working space for an end effector of an instrument.
Claim 3
Dependent Claim
17 words
The device according to claim 1, including a handle connected to the proximal end of the shaft.
Claim 4
Independent Claim
48 words
A device for dissecting tissue comprising: a transparent concave head having a spoon-shape and defining a cavity therein, said cavity serving as a working space for an end effector an instrument; and means for detachably connecting one end of the head to a distal end of an endoscope.
Claim 5
Independent Claim
48 words
A device for dissecting tissue comprising: a transparent concave head having a spoon-shape and defining a cavity therein, said cavity serving as a working space for an end effector an instrument; and means for detachably connecting one end of the head to a distal end of an endoscope.
Claim 6
Independent Claim
53 words
A device for retracting tissue comprising: an elongated platform; a transparent concave head connected to a distal end of the platform, the head having a spoon-shape and defining a cavity, said cavity serving as a working space for an end effector of an instrument; and means for connecting an endoscope to the platform.
Claim 7
Independent Claim
53 words
A device for retracting tissue comprising: an elongated platform; a transparent concave head connected to a distal end of the platform, the head having a spoon-shape and defining a cavity, said cavity serving as a working space for an end effector of an instrument; and means for connecting an endoscope to the platform.
Claim 8
Dependent Claim
22 words
The device according to claim 4, including at least one guide element on the platform for guiding an instrument to the cavity.
Claim 9
Dependent Claim
29 words
The device according to claim 5, wherein means for receiving an endoscope with the platform comprises a shaft having a lumen therethrough, the shaft being connected to the platform.
Claim 10
Dependent Claim
20 words
The device according to claim 4, including a handle connected to the platform at a proximal end of the platform.
References Cited (Backward Citations)
US1246338A
Cited
US2840070A
Cited
US2831480A
Cited
US2944552A
Cited
US3495593A
Cited
US3651800A
Cited
US3776240A
Cited
US4232660A
Cited
SU1371689A1
Cited
US4793346A
Cited
US5540711A
Cited
US5352219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-03-02 | 2001-09-01 | 2002-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-03-02 | 2005-09-01 | 2006-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-03-02 | 2009-09-01 | 2010-03-03 | $7700.00 | Window Closed / Lapsed |