US5490819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulating endoscopic surgical apparatus
Assignee: United States Surgical Corp
•
Filing: 1994-09-02
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Granted: 1996-02-13
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Expires: 2014-09-02
Abstract
Abstract A surgical instrument is provided for use in endoscopic or laparoscopic procedures. The instrument includes a handle portion, an endoscopic portion extending from the handle portion, an articulating section pivotably connected to a distal end of the endoscopic portion, and a retractor assembly operatively associated with the articulating section. Structure is provided for progressively manipulating the articulating section of the instrument relative to the longitudinal axis of the endoscopic portion within an angular sector of rotation.
Inventors
- 👤 David A. Nicholas
- 👤 Brian G. Russell
- 👤 Boris Zvenyatsky
- 👤 Paul A. Matula
- 👤 Stanley H. Remiszewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:57
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/28; A61B17/29; A61B1/00; A61B1/32; A61B17/02; A61B17/0218; A61B18/00; A61B18/04; A61B18/12; A61B18/14; A61B18/1442; A61B18/1445; A61B17/2909; A61B2017/2912; A61B2017/2919; A61B2017/292; A61B2017/2926; A61B2017/2927; A61B2017/2929; A61B2017/2932; A61B2017/2933; A61B2017/2936
Claims Analysis
Total Claims: 37
Claim 1
Independent Claim
147 words
A surgical apparatus comprising: a) a handle portion defining a first longitudinal axis; b) a tubular body extending from said handle portion including an elongated portion having a second longitudinal axis extending therethrough in axial alignment with said first longitudinal axis, and a distal portion articulatable relative to said second longitudinal axis of said elongated portion; c) a retractor assembly operatively associated with said distal portion and including a plurality of interleaved retractor blades; d) means including an elongated rod member associated with said handle portion and disposed at least partially within said tubular body for moving said plurality of retractor blades between an open position and a closed position, one of said plurality of interleaved retractor blades mounted to a distal end portion of said elongated rod member; and e) means associated with said handle portion and said tubular body for progressively articulating said distal portion.
Claim 2
Dependent Claim
147 words
A surgical apparatus comprising: a) a handle portion defining a first longitudinal axis; b) a tubular body extending from said handle portion including an elongated portion having a second longitudinal axis extending therethrough in axial alignment with said first longitudinal axis, and a distal portion articulatable relative to said second longitudinal axis of said elongated portion; c) a retractor assembly operatively associated with said distal portion and including a plurality of interleaved retractor blades; d) means including an elongated rod member associated with said handle portion and disposed at least partially within said tubular body for moving said plurality of retractor blades between an open position and a closed position, one of said plurality of interleaved retractor blades mounted to a distal end portion of said elongated rod member; and e) means associated with said handle portion and said tubular body for progressively articulating said distal portion.
Claim 3
Dependent Claim
27 words
A surgical apparatus as recited in claim 1, wherein each of said plurality of interleaved retractor blades has a length distinct from that of an adjacent blade.
Claim 4
Dependent Claim
21 words
A surgical apparatus as recited in claim 1, wherein each of said plurality of interleaved retractor blades has a distinct length.
Claim 5
Dependent Claim
32 words
A surgical apparatus as recited in claim 1, wherein said plurality of interleaved retractor blades includes first through fifth retractor blades each having a length distinct from that of an adjacent blade.
Claim 6
Dependent Claim
22 words
A surgical apparatus as recited in claim 1, wherein each of said plurality of interleaved retractor blades are of substantially planar configuration.
Claim 7
Dependent Claim
24 words
A surgical apparatus as recited in claim 1, wherein each of said plurality of interleaved retractor blades includes a distal portion depending angularly therefrom.
Claim 8
Dependent Claim
27 words
A surgical apparatus are recited in claim 6, wherein said angularly depending distal portion of each of said plurality of interleaved retractor blades includes atraumatic cover means.
Claim 9
Dependent Claim
26 words
A surgical apparatus as recited in claim 6, wherein a distal end portion of each of said plurality of interleaved retractor blades defines an atraumatic surface.
Claim 10
Dependent Claim
22 words
A surgical apparatus as recited in claim 1, further comprising external sealing means associated with the distal portion of said tubular body.
Claim 11
Dependent Claim
26 words
A surgical apparatus as recited in claim 1, further comprising internal sealing means associated with said tubular body for inhibiting the egress of insufflation gas therethrough.
Claim 12
Dependent Claim
36 words
A surgical apparatus as recited in claim 1, further comprising irrigation means extending longitudinally through said tubular body from an inlet port adjacent a proximal end of said handle portion for delivering fluid from said apparatus.
Claim 13
Dependent Claim
41 words
A surgical apparatus as recited in claim 1, wherein said means for moving said plurality of interleaved retractor blades further includes a rotatable driving screw associated with said handle portion and connected to a proximal end of said elongated rod member.
Claim 14
Dependent Claim
34 words
A surgical apparatus as recited in claim 12, wherein the remainder of said plurality of interleaved retractor blades are operatively connected to said one of the retractor blades mounted to said elongated rod member.
Claim 15
Dependent Claim
42 words
A surgical apparatus as recited in claim 1, wherein said means for progressively articulating said distal portion of said tubular body includes a drive screw mounted for longitudinal movement relative to said handle portion in response to rotation of a rotator member.
Claim 16
Dependent Claim
37 words
A surgical apparatus as recited in claim 14, wherein an elongated shaft extends from said drive screw to said distal portion of said tubular body for translating longitudinal movement of said drive screw to said distal portion.
Claim 17
Dependent Claim
112 words
A surgical apparatus comprising: a) a handle portion; b) a tubular body including an elongated proximal portion defining a longitudinal axis extending from said handle portion and a distal portion articulatable relative to said longitudinal axis of said proximal portion; c) a retractor assembly operatively associated with said distal portion and including a plurality of interleaved retractor blades; d) rotation means associated with said handle portion and said tubular body for remotely moving said plurality of retractor blades between an open position and a closed position; and e) a rotatable drive screw assembly mounted for longitudinal movement relative to said handle portion and said tubular body for progressively articulating said distal portion.
Claim 18
Dependent Claim
112 words
A surgical apparatus comprising: a) a handle portion; b) a tubular body including an elongated proximal portion defining a longitudinal axis extending from said handle portion and a distal portion articulatable relative to said longitudinal axis of said proximal portion; c) a retractor assembly operatively associated with said distal portion and including a plurality of interleaved retractor blades; d) rotation means associated with said handle portion and said tubular body for remotely moving said plurality of retractor blades between an open position and a closed position; and e) a rotatable drive screw assembly mounted for longitudinal movement relative to said handle portion and said tubular body for progressively articulating said distal portion.
Claim 19
Dependent Claim
26 words
A surgical apparatus as recited in claim 16, wherein each of said plurality of retractor blades has a length distinct from that of an adjacent blade.
Claim 20
Dependent Claim
31 words
A surgical apparatus as recited in claim 16, wherein said plurality of retractor blades includes first through fifth retractor blades each having a length distinct from that of an adjacent blade.
Claim 21
Dependent Claim
21 words
A surgical apparatus as recited in claim 16, wherein each of said plurality of retractor blades are of substantially planar configuration.
Claim 22
Dependent Claim
23 words
A surgical apparatus as recited in claim 16, wherein each of said plurality of retractor blades includes a distal portion depending angularly therefrom.
Claim 23
Dependent Claim
26 words
A surgical apparatus are recited in claim 20, wherein said angularly depending distal portion of each of said plurality of retractor blades includes atraumatic cover means.
Claim 24
Dependent Claim
25 words
A surgical apparatus as recited in claim 20, wherein a distal end portion of each of said plurality of retractor blades defines an atraumatic surface.
Claim 25
Dependent Claim
22 words
A surgical apparatus as recited in claim 16, further comprising external sealing means associated with the distal portion of said tubular body.
Claim 26
Dependent Claim
26 words
A surgical apparatus as recited in claim 16, further comprising internal sealing means associated with said tubular body for inhibiting the egress of insufflation gas therethrough.
Claim 27
Dependent Claim
36 words
A surgical apparatus as recited in claim 16, further comprising irrigation means extending longitudinally through said tubular body from an inlet port adjacent a proximal end of said handle portion for delivering fluid from said apparatus.
Claim 28
Dependent Claim
49 words
A surgical apparatus as recited in claim 16, wherein said rotation means for moving said plurality of retractor blades includes a second rotatable driving screw associated with said handle portion and including an elongated rod member extending through said elongated portion to operatively connect with said retractor blade assembly.
Claim 29
Dependent Claim
26 words
A surgical apparatus as recited in claim 26, wherein at least one of said plurality of retractor blades is operatively connected to said elongated rod member.
Claim 30
Dependent Claim
43 words
A surgical apparatus as recited in claim 16, wherein said drive screw assembly includes an elongated shaft which extends from a drive screw to said distal portion of said tubular body for translating longitudinal movement of said drive screw to said distal portion.
Claim 31
Dependent Claim
149 words
A surgical apparatus comprising: a) an axial handle portion defining a first longitudinal axis; b) a tubular body including an elongated proximal portion defining a second longitudinal axis in axial alignment with said first longitudinal axis and extending distally from said handle portion, and a distal portion articulatable relative to said second longitudinal axis of said proximal portion; c) a retractor assembly operatively associated with said distal portion and including a plurality of interleaved retractor blades, each of said plurality of interleaved retractor blades having a length distinct from that of an adjacent retractor blade; d) axially rotatable rotation means associated with said axial handle portion and said tubular body for remotely moving said plurality of interleaved retractor blades between an open position and a closed position; and e) axially rotatable rotation means associated with said axial handle portion and said tubular body for progressively articulating said distal portion.
Claim 32
Dependent Claim
149 words
A surgical apparatus comprising: a) an axial handle portion defining a first longitudinal axis; b) a tubular body including an elongated proximal portion defining a second longitudinal axis in axial alignment with said first longitudinal axis and extending distally from said handle portion, and a distal portion articulatable relative to said second longitudinal axis of said proximal portion; c) a retractor assembly operatively associated with said distal portion and including a plurality of interleaved retractor blades, each of said plurality of interleaved retractor blades having a length distinct from that of an adjacent retractor blade; d) axially rotatable rotation means associated with said axial handle portion and said tubular body for remotely moving said plurality of interleaved retractor blades between an open position and a closed position; and e) axially rotatable rotation means associated with said axial handle portion and said tubular body for progressively articulating said distal portion.
Claim 33
Dependent Claim
151 words
A surgical apparatus comprising: a) a handle portion; b) a tubular body including an elongated proximal portion defining a longitudinal axis extending from said handle portion and a distal portion articulatable relative to said longitudinal axis of said proximal portion; c) a retractor assembly operatively associated with said distal portion of the tubular body and including a plurality of interleaved retractor blades; d) a first axial drive screw assembly associated with said handle portion; e) an elongated control member extending from the first axial drive screw assembly to the retractor assembly for remotely moving said plurality of retractor blades between an open and closed position; f) a second axial drive screw assembly operatively associated with said handle portion; and g) an elongated actuation member extending from said second axial drive screw assembly to said distal portion of said tubular body for progressively articulating said distal portion relative to said proximal portion.
Claim 34
Dependent Claim
151 words
A surgical apparatus comprising: a) a handle portion; b) a tubular body including an elongated proximal portion defining a longitudinal axis extending from said handle portion and a distal portion articulatable relative to said longitudinal axis of said proximal portion; c) a retractor assembly operatively associated with said distal portion of the tubular body and including a plurality of interleaved retractor blades; d) a first axial drive screw assembly associated with said handle portion; e) an elongated control member extending from the first axial drive screw assembly to the retractor assembly for remotely moving said plurality of retractor blades between an open and closed position; f) a second axial drive screw assembly operatively associated with said handle portion; and g) an elongated actuation member extending from said second axial drive screw assembly to said distal portion of said tubular body for progressively articulating said distal portion relative to said proximal portion.
Claim 35
Dependent Claim
26 words
A surgical apparatus as recited in claim 30, wherein each of said plurality of retractor blades has a length distinct from that of an adjacent blade.
Claim 36
Dependent Claim
27 words
A surgical apparatus as recited in claim 30, wherein one of said plurality of retractor blades is connected to a distal end of said elongated control member.
Claim 37
Dependent Claim
30 words
A surgical apparatus as recited in claim 32, wherein the remainder of said plurality of retractor blades are operatively connected to the said one of said plurality of retractor blades.
References Cited (Backward Citations)
US972983A
Cited
US1244751A
Cited
US1328624A
Cited
US1620828A
Cited
US2028635A
Cited
US2113246A
Cited
US2816552A
Cited
US3313294A
Cited
US3314431A
Cited
US3788303A
Cited
US3892228A
Cited
US3877433A
Cited
US4022208A
Cited
US4000743A
Cited
SU736949A1
Cited
SU990220A1
Cited
US4430076A
Cited
US4459978A
Cited
DE3303335A1
Cited
US4654028A
Cited
US4763669A
Cited
US4909789A
Cited
SU1369708A1
Cited
DE8711051U1
Cited
US4950273A
Cited
US4872456A
Cited
US4880015A
Cited
US4944741A
Cited
US4947827A
Cited
US4941455A
Cited
US5104377A
Cited
EP0449663A2
Cited
DE9007356U1
Cited
US5113846A
Cited
EP0484671A2
Cited
US5195505A
Cited
DE9109097U1
Cited
US5199419A
Cited
US5235966A
Cited
US5195506A
Cited
US5152279A
Cited
US5339801A
Cited
WO1993017625A1
Cited
US5293863A
Cited
US5237985A
Cited
US5307805A
Cited
US5245987A
Cited
DE9300161U1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-02-12 | 1999-08-14 | 2000-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-02-12 | 2003-08-14 | 2004-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-02-12 | 2007-08-14 | 2008-02-13 | $7700.00 | Window Closed / Lapsed |