US5628446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained powered surgical apparatus
Assignee: United States Surgical Corp
•
Filing: 1996-05-06
•
Granted: 1997-05-13
•
Expires: 2016-05-06
Abstract
Abstract A self-contained powered surgical apparatus is provided which includes an elongate body defining a longitudinal axis and housing a plurality of surgical fasteners disposed within a feed track, an anvil positioned at a distal end of the elongate body adjacent a terminal end of the feed path for forming surgical fasteners, a fastener pusher mounted for longitudinal movement within the elongate body to individually urge surgical fasteners toward the anvil, a barrel cam assembly disposed within the elongate body for effectuating reciprocatory longitudinal movement of the fastener pusher, a motor assembly disposed within the elongate body for driving the barrel cam assembly, and a power source disposed within the elongate body for energizing the motor assembly.
Inventors
- 👤 Robert J. Geiste
- 👤 Stephan A. DeFonzo
- 👤 Dominick L. Mastri
- 👤 Wayne P. Young
- 👤 Carlo A. Mililli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:23
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/068; A61B17/0682; A61B17/0684; A61B2017/00367; A61B2017/00398; A61B17/28; A61B17/29; A61B2017/2901; A61B2017/2905; A61B2017/2926; A61B2017/2932; A61B2017/2933; A61B2017/2936
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
124 words
A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis and configured to house a plurality of surgical fasteners; b) a stationary anvil positioned adjacent a distal end of the elongate body for forming surgical fasteners; c) a fastener pusher mounted for longitudinal movement within the elongate body to individually urge surgical fasteners in a longitudinal direction toward the anvil; d) a barrel cam assembly disposed within the elongate body and configured to effect continuous uniform reciprocatory longitudinal movement of the fastener pusher; e) a motor assembly disposed within the elongate body for driving the barrel cam assembly; and f) a power source disposed within the elongate body for energizing the motor assembly.
Claim 2
Dependent Claim
124 words
A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis and configured to house a plurality of surgical fasteners; b) a stationary anvil positioned adjacent a distal end of the elongate body for forming surgical fasteners; c) a fastener pusher mounted for longitudinal movement within the elongate body to individually urge surgical fasteners in a longitudinal direction toward the anvil; d) a barrel cam assembly disposed within the elongate body and configured to effect continuous uniform reciprocatory longitudinal movement of the fastener pusher; e) a motor assembly disposed within the elongate body for driving the barrel cam assembly; and f) a power source disposed within the elongate body for energizing the motor assembly.
Claim 3
Dependent Claim
50 words
A powered surgical apparatus as recited in claim 1, wherein the barrel cam assembly includes a rotating inner barrel member and a longitudinally translating outer sleeve member mounted coaxial with the inner barrel member and having a fixed angular orientation with respect to the longitudinal axis of the elongate body.
Claim 4
Dependent Claim
41 words
A powered surgical apparatus as recited in claim 2, wherein a continuous cam channel is defined about the periphery of the inner barrel member and a cam follower depends radially inwardly from the outer sleeve member to engage the cam channel.
Claim 5
Dependent Claim
42 words
A powered surgical apparatus as recited in claim 2, wherein the rotating inner barrel member is operatively connected to a drive shaft of the motor assembly and the outer sleeve member is operatively connected to a proximal end of the fastener pusher.
Claim 6
Dependent Claim
22 words
A powered surgical apparatus as recited in claim 1, further comprising an actuator for selectively controlling the operation of the motor assembly.
Claim 7
Dependent Claim
25 words
A powered surgical apparatus as recited in claim 5, wherein the actuator is disposed at a location proximate an intermediate portion of the elongate body.
Claim 8
Dependent Claim
21 words
A powered surgical apparatus as recited in claim 6, wherein the actuator is wrapped around a circumference of the elongate body.
Claim 9
Dependent Claim
31 words
A powered surgical apparatus as recited in claim 7, further comprising a conductive strip extending in the elongate body to electrically connect the actuator to the motor assembly and power source.
Claim 10
Dependent Claim
39 words
A powered surgical apparatus as recited in claim 1, wherein the plurality of surgical fasteners are disposed within a feed track in the elongate body and a constant force spring biases the surgical fasteners distally within the feed track.
Claim 11
Dependent Claim
31 words
A powered surgical apparatus as recited in claim 1, further comprising an ejection spring disposed adjacent the anvil for ejecting a formed surgical fastener from a distal end of the apparatus.
Claim 12
Dependent Claim
202 words
A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis and housing a plurality of surgical fasteners disposed within a feed track; b) an anvil positioned at a distal end of the elongate body adjacent a terminal end of the feed path for forming the surgical fasteners; c) a constant force spring for biasing the surgical fasteners toward the terminal end of the feed track; d) a fastener pusher mounted for longitudinal movement within the elongate body to individually urge the surgical fasteners toward the anvil; e) a barrel cam assembly disposed within the elongate body and including a linearly translating member operatively connected to the fastener pusher, and an axially rotating member mounted coaxial with the linearly translating member for effectuating the translation thereof; f) a motor assembly disposed within the elongate body and having a rotating drive shaft for driving the rotating member of the barrel cam assembly, the linearly translating member moving both in a distal direction and a proximal direction in response to the rotating member rotating in only one axial direction; and g) a power source disposed within the elongate body for energizing the motor assembly.
Claim 13
Dependent Claim
202 words
A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis and housing a plurality of surgical fasteners disposed within a feed track; b) an anvil positioned at a distal end of the elongate body adjacent a terminal end of the feed path for forming the surgical fasteners; c) a constant force spring for biasing the surgical fasteners toward the terminal end of the feed track; d) a fastener pusher mounted for longitudinal movement within the elongate body to individually urge the surgical fasteners toward the anvil; e) a barrel cam assembly disposed within the elongate body and including a linearly translating member operatively connected to the fastener pusher, and an axially rotating member mounted coaxial with the linearly translating member for effectuating the translation thereof; f) a motor assembly disposed within the elongate body and having a rotating drive shaft for driving the rotating member of the barrel cam assembly, the linearly translating member moving both in a distal direction and a proximal direction in response to the rotating member rotating in only one axial direction; and g) a power source disposed within the elongate body for energizing the motor assembly.
Claim 14
Dependent Claim
46 words
A powered surgical apparatus as recited in claim 11, wherein a portion of the feed track defines a curved transition path within which the surgical fasteners are transferred from a first position disposed within a first plane to a second position disposed within a second plane.
Claim 15
Dependent Claim
35 words
A powered surgical apparatus as recited in claim 11, wherein the rotating member of the barrel cam assembly is a cylindrical cam member having at least one continuous cam channel defined about the periphery thereof.
Claim 16
Dependent Claim
59 words
A powered surgical apparatus as recited in claim 13, wherein the linearly translating member is a cylindrical drive sleeve surrounding the cylindrical cam member and having at least one cam follower depending radially inwardly therefrom to engage the continuous cam channel, the drive sleeve having a fixed angular orientation with respect to the longitudinal axis of the elongate body.
Claim 17
Dependent Claim
23 words
A powered surgical apparatus as recited in claim 11, further comprising an actuator switch for selectively controlling the operation of the motor assembly.
Claim 18
Dependent Claim
36 words
A powered surgical apparatus as recited in claim 15, wherein the actuator switch is disposed at a location proximate an intermediate portion of the elongate body and is wrapped around a circumference of the elongate body.
Claim 19
Dependent Claim
28 words
A powered surgical apparatus as recited in claim 16, further comprising an actuator switch disposed intermediate the elongate body for selectively controlling the operation of the motor assembly.
Claim 20
Dependent Claim
31 words
A powered surgical apparatus as recited in claim 11, further comprising an ejection spring disposed adjacent the anvil for ejecting a formed surgical fastener from a distal end of the apparatus.
Claim 21
Dependent Claim
148 words
A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis and configured to house a plurality of surgical fasteners; b) an anvil positioned adjacent a distal end of the elongate body for forming surgical fasteners; c) a fastener pusher mounted for longitudinal movement within the elongate body to individually urge surgical fasteners toward the anvil; d) a barrel cam assembly disposed within the elongate body for effectuating continuous uniform reciprocatory longitudinal movement of the fastener pusher; e) a motor assembly disposed within the elongate body for driving the barrel cam assembly; f) a power source disposed within the elongate body for energizing the motor assembly; and g) an actuator disposed at a location proximate an intermediate portion of the elongate body and wrapped substantially around a circumference thereof for selectively controlling the operation of the motor assembly.
Claim 22
Dependent Claim
148 words
A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis and configured to house a plurality of surgical fasteners; b) an anvil positioned adjacent a distal end of the elongate body for forming surgical fasteners; c) a fastener pusher mounted for longitudinal movement within the elongate body to individually urge surgical fasteners toward the anvil; d) a barrel cam assembly disposed within the elongate body for effectuating continuous uniform reciprocatory longitudinal movement of the fastener pusher; e) a motor assembly disposed within the elongate body for driving the barrel cam assembly; f) a power source disposed within the elongate body for energizing the motor assembly; and g) an actuator disposed at a location proximate an intermediate portion of the elongate body and wrapped substantially around a circumference thereof for selectively controlling the operation of the motor assembly.
Claim 23
Dependent Claim
31 words
A powered surgical apparatus as recited in claim 19, further comprising a conductive strip extending within the elongate body to electrically connect the actuator to the motor assembly and power source.
References Cited (Backward Citations)
US1881250A
Cited
US2905178A
Cited
US3815476A
Cited
US3618842A
Cited
SU659146A1
Cited
US3952748A
Cited
US4071029A
Cited
DE2903159A1
Cited
US4289131A
Cited
US4489724A
Cited
US4334539A
Cited
EP0041022A1
Cited
DE3114135A1
Cited
US4494057A
Cited
US4664305A
Cited
US4887599A
Cited
US4655673A
Cited
US4484503A
Cited
EP0156774A2
Cited
US4650460A
Cited
US4605001A
Cited
US4705038A
Cited
US4644952A
Cited
EP0216532A1
Cited
US4771774A
Cited
US4662555A
Cited
US4733118A
Cited
US4919152A
Cited
US5125553A
Cited
US4936845A
Cited
US4867158A
Cited
US4951860A
Cited
US4995877A
Cited
US5059203A
Cited
EP0399701A1
Cited
US5201750A
Cited
US5133713A
Cited
FR2660851A1
Cited
US5133729A
Cited
US5221279A
Cited
US5192292A
Cited
US5133359A
Cited
US5249583A
Cited
US5170925A
Cited
US5174487A
Cited
US5237884A
Cited
DE4213426A1
Cited
US5207697A
Cited
US5268622A
Cited
US5261877A
Cited
US5246156A
Cited
US5356064A
Cited
US5326013A
Cited
US5289963A
Cited
EP0539762A1
Cited
WO1993008754A1
Cited
US5176692A
Cited
EP0552050A2
Cited
WO1993014706A1
Cited
US5258007A
Cited
EP0593920A1
Cited
EP0592244A2
Cited
EP0598579A1
Cited
EP0621006A1
Cited
US5467911A
Cited
EP0634144A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2000-05-12 | 2000-11-11 | 2001-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2004-05-12 | 2004-11-11 | 2005-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2008-05-12 | 2008-11-11 | 2009-05-13 | $7700.00 | Window Closed / Lapsed |