US5697891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical retractor with accessory support
Assignee: Viking Systems Inc
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Filing: 1997-01-06
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Granted: 1997-12-16
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Expires: 2017-01-06
Abstract
Abstract A surgical retractor assembly includes an elongated base bar, a first leg extending from the base bar and substantially normal thereto, a first gripper disposed on the first leg, a second leg mounted at a proximal end thereof on the base bar and extending parallel to the first leg, the second leg proximal end being coupled to and movable along the base bar, and a second rib gripper disposed on the second leg. A U-shaped flexible rail is mounted proximate first and second ends thereof, respectively, on the first and second legs, with a bend portion of the rail extending proximate the base bar. An accessory support member is mounted on the rail and is slidably movable thereon, the accessory support member being adapted to retain an accessory device such that an operative end of the accessory device is disposed generally between the first and second legs.
Inventors
- 👤 Koichiro Hori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:43
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/02; A61B17/0206; A61B90/00; A61B90/30; A61B90/36; A61B90/361; A61B90/50
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
198 words
A surgical retractor assembly comprising: an elongated base bar; a first leg attached to and extending at a right angle to said base bar; a first gripper disposed on said first leg; a carriage mounted on and movable lengthwise of said base bar toward and away from said first leg; a second leg having a proximal end thereof attached to said carriage, said second leg extending parallel to said first leg and at a right angle to said base bar, said second leg being movable with said carriage along said base bar; a second gripper carried by said second leg; a U-shaped flexible rail mounted adjacent its first and second opposite ends to said first and second legs respectively, with a bent portion of said rail extending proximate to said base bar; and an accessory support means mounted on said rail, said accessory support means being adapted to support an accessory device such that an operative portion of the accessory device is disposed between said first and second legs, whereby when said retractor is disposed in bone or tissue-retracting position relative to a surgical site, said operative portion of said accessory device is directed toward the surgical site.
Claim 2
Dependent Claim
198 words
A surgical retractor assembly comprising: an elongated base bar; a first leg attached to and extending at a right angle to said base bar; a first gripper disposed on said first leg; a carriage mounted on and movable lengthwise of said base bar toward and away from said first leg; a second leg having a proximal end thereof attached to said carriage, said second leg extending parallel to said first leg and at a right angle to said base bar, said second leg being movable with said carriage along said base bar; a second gripper carried by said second leg; a U-shaped flexible rail mounted adjacent its first and second opposite ends to said first and second legs respectively, with a bent portion of said rail extending proximate to said base bar; and an accessory support means mounted on said rail, said accessory support means being adapted to support an accessory device such that an operative portion of the accessory device is disposed between said first and second legs, whereby when said retractor is disposed in bone or tissue-retracting position relative to a surgical site, said operative portion of said accessory device is directed toward the surgical site.
Claim 3
Dependent Claim
57 words
An assembly according to claim 1 wherein said base bar is provided with a gear rack, and further including manually rotatatable gear means mounted to said carriage and coupled to said gear rack for causing said carriage to move along said base bar and thereby to move said second leg toward or away from said first leg.
Claim 4
Dependent Claim
16 words
An assembly according to claim 2 wherein said first leg is integral with said base bar.
Claim 5
Dependent Claim
21 words
An assembly according to claim 2 further including a handle member coupled to said gear means for rotating said gear means.
Claim 6
Dependent Claim
20 words
An assembly according to claim 1 wherein said first gripper comprises an elongated channel member mounted on said first arm.
Claim 7
Dependent Claim
37 words
An assembly according to claim 5 wherein said second gripper comprises at least one arm mounted on said second leg and extending toward said first leg, and curved fingers extending from a free end of said arm.
Claim 8
Dependent Claim
17 words
An assembly according to claim 1 further including an accessory device carried by said accessory support means.
Claim 9
Dependent Claim
28 words
An assembly according to claim 7 wherein said accessory device comprises a camera and the operative end of the accessory device comprises a lens portion of the camera.
Claim 10
Dependent Claim
31 words
An assembly according to claim 7 wherein the accessory device comprises a light source and the operative end of the accessory device comprises a light emitting portion of the light source.
Claim 11
Dependent Claim
154 words
A surgical spreader assembly assembly comprising: an elongated base bar; a first leg extending from said base bar and substantially normal thereto; a first gripper disposed on said first leg; a second leg mounted at a proximal end thereof on said base bar and extending parallel to said first leg, said second leg proximal end being movable along said base bar; a second gripper disposed on said second leg; a U-shaped flexible rail; first means connecting a first end of said rail to said first leg and second means connecting a second end of said rail to said second leg, with a curved portion of said rail extending proximate said base bar; and an accessory support member mounted on said rail and slidably movable thereon, said accessory support member being adapted to retain an accessory device such that an operative end of the accessory device is disposed generally between said first and second legs.
Claim 12
Dependent Claim
154 words
A surgical spreader assembly assembly comprising: an elongated base bar; a first leg extending from said base bar and substantially normal thereto; a first gripper disposed on said first leg; a second leg mounted at a proximal end thereof on said base bar and extending parallel to said first leg, said second leg proximal end being movable along said base bar; a second gripper disposed on said second leg; a U-shaped flexible rail; first means connecting a first end of said rail to said first leg and second means connecting a second end of said rail to said second leg, with a curved portion of said rail extending proximate said base bar; and an accessory support member mounted on said rail and slidably movable thereon, said accessory support member being adapted to retain an accessory device such that an operative end of the accessory device is disposed generally between said first and second legs.
Claim 13
Dependent Claim
41 words
An assembly according to claim 10 wherein said accessory device is a camera and said accessory support member is adapted to support the camera such that a lens portion of the camera is disposed generally between said first and second legs.
Claim 14
Dependent Claim
44 words
An assembly according to claim 10 wherein said accessory is a light source and said accessory support member is adapted to support the light source such that a light emitting portion of the light source is disposed generally between said first and second legs.
Claim 15
Dependent Claim
22 words
An assembly according to claim 10 further comprising means for locking said accessory support member in a selected location on said rail.
Claim 16
Dependent Claim
41 words
An assembly according to claim 10 further comprising means for locking said rail to said second means to fix said rail on said second leg, and for releasing said rail to permit movement of said rail relative to said second leg.
Claim 17
Dependent Claim
40 words
An assembly according to claim 14 wherein said second means comprises a sleeve fixed to said second leg and said means for locking and releasing said rail comprises a lock screw mounted in said sleeve and engageable with said rail.
Claim 18
Dependent Claim
144 words
A surgical spreader assembly assembly comprising: an elongated base bar; a first leg extending from said base bar and substantially normal thereto; a first gripper disposed on said first leg; a second leg mounted at a proximal end thereof on said base bar and extending parallel to said first leg, said second leg being movable relative to said base bar; a second gripper disposed on said second leg; a U-shaped flexible rail having a first end attached to said first leg and a second end attached to said second leg, with a curved portion of said rail extending proximate said base bar; and an accessory support member mounted on said rail and slidably movable thereon, said accessory support member being adapted to support an accessory device such that an operative end of the accessory device is disposed generally between said first and second legs.
Claim 19
Dependent Claim
144 words
A surgical spreader assembly assembly comprising: an elongated base bar; a first leg extending from said base bar and substantially normal thereto; a first gripper disposed on said first leg; a second leg mounted at a proximal end thereof on said base bar and extending parallel to said first leg, said second leg being movable relative to said base bar; a second gripper disposed on said second leg; a U-shaped flexible rail having a first end attached to said first leg and a second end attached to said second leg, with a curved portion of said rail extending proximate said base bar; and an accessory support member mounted on said rail and slidably movable thereon, said accessory support member being adapted to support an accessory device such that an operative end of the accessory device is disposed generally between said first and second legs.
Claim 20
Dependent Claim
22 words
An assembly according to claim 16 further comprising means for locking said accessory support member on said rail in a selected location.
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) | 2000-12-15 | 2001-06-16 | 2001-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-12-15 | 2005-06-16 | 2005-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-12-15 | 2009-06-16 | 2009-12-16 | $7700.00 | Window Closed / Lapsed |