US5653374A — Self-contained powered surgical apparatus

Claim 1

Independent Claim 199 words

A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis; b) a cartridge supported by said elongate body and housing a plurality of surgical fasteners and having a tissue engaging surface thereon; c) an anvil member having a fastener forming surface thereon, the anvil member mounted adjacent the cartridge and configured for relative movement between an open position wherein said fastener forming surface is spaced from said tissue engaging surface and a closed position wherein said fastener forming surface is in close cooperative alignment with said tissue engaging surface; d) a motor assembly disposed within the elongate body; e) a power source disposed within the elongate body for energizing the motor assembly; and f) an actuating assembly including a longitudinally translating drive member driven by the motor assembly and first and second camming mechanisms driven by the drive member; and g) wherein movement of the drive member in a longitudinal direction initially causes the first camming mechanism to effect relative movement of the anvil member and the cartridge and subsequently causes the second camming mechanism to effect sequential ejection of a plurality of surgical fasteners from the cartridge.

Claim 2

Dependent Claim 199 words

A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis; b) a cartridge supported by said elongate body and housing a plurality of surgical fasteners and having a tissue engaging surface thereon; c) an anvil member having a fastener forming surface thereon, the anvil member mounted adjacent the cartridge and configured for relative movement between an open position wherein said fastener forming surface is spaced from said tissue engaging surface and a closed position wherein said fastener forming surface is in close cooperative alignment with said tissue engaging surface; d) a motor assembly disposed within the elongate body; e) a power source disposed within the elongate body for energizing the motor assembly; and f) an actuating assembly including a longitudinally translating drive member driven by the motor assembly and first and second camming mechanisms driven by the drive member; and g) wherein movement of the drive member in a longitudinal direction initially causes the first camming mechanism to effect relative movement of the anvil member and the cartridge and subsequently causes the second camming mechanism to effect sequential ejection of a plurality of surgical fasteners from the cartridge.

Claim 3

Dependent Claim 28 words

A powered surgical apparatus as recited in claim 1, wherein the drive member is threadably associated with an axial drive screw which is driven by the motor assembly.

Claim 4

Dependent Claim 35 words

A powered surgical apparatus as recited in claim 1, further comprising a tissue cutting member operatively associated with the actuating assembly for incising tissue as a plurality of surgical fasteners are ejected from the cartridge.

Claim 5

Dependent Claim 23 words

A powered surgical apparatus as recited in claim 1, further comprising an actuator for selectively controlling the motor assembly to operate the apparatus.

Claim 6

Dependent Claim 38 words

A powered surgical apparatus as recited in claim 4, wherein the actuator includes a first actuator button for effecting distal translation of the actuating assembly and a second actuator button for effecting proximal translation of the actuating assembly.

Claim 7

Dependent Claim 36 words

A powered surgical apparatus as recited in claim 4, further comprising an elongate extension member configured to engage a proximal end of the elongate body to facilitate utilization of said apparatus during an endoscopic surgical procedure.

Claim 8

Dependent Claim 33 words

A powered surgical apparatus as recited in claim 6, wherein the elongate extension member includes a pair of rods or cables for interacting with the actuator to effectuate remote operation of the apparatus.

Claim 9

Dependent Claim 22 words

A powered surgical apparatus as recited in claim 7, wherein the actuator and extension member each include a pair of actuator buttons.

Claim 10

Dependent Claim 22 words

A powered surgical apparatus as recited in claim 1, wherein the apparatus has a substantially uniform diameter along the entire length thereof.

Claim 11

Dependent Claim 21 words

A powered surgical apparatus as recited in claim 1, wherein the apparatus has an operative length of less than 7.0 inches.

Claim 12

Dependent Claim 19 words

A powered surgical apparatus as recited in claim 1, wherein the anvil member is biased to the open position.

Claim 13

Dependent Claim 37 words

A powered surgical apparatus as recited in claim 1, wherein the actuating assembly progressively moves the anvil member from the open position to the closed position and concomitantly ejects the plurality of surgical fasteners from the cartridge.

Claim 14

Dependent Claim 205 words

A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis; b) a cartridge supported by said elongate body and housing a plurality of surgical fasteners and having a tissue engaging surface thereon; c) an anvil member having a fastener forming surface thereon, the anvil member mounted adjacent the cartridge and configured for relative movement between an open position wherein said fastener forming surface is spaced from said tissue engaging surface and a closed position wherein said fastener forming surface is in close cooperative alignment with said tissue engaging surface; d) a motor assembly disposed within the elongate body; e) a power source disposed within the elongate body for energizing the motor assembly; f) an actuator for selectively controlling the motor assembly to operate the apparatus; g) an actuating assembly driven by the motor assembly and mounted for movement in a longitudinal direction to effect relative movement of the anvil member and the cartridge and to effect sequential ejection of a plurality of surgical fasteners from the cartridge; and h) an elongate extension member configured to engage a proximal end of the elongate body to facilitate utilization of the apparatus during an endoscopic surgical procedure.

Claim 15

Dependent Claim 205 words

A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis; b) a cartridge supported by said elongate body and housing a plurality of surgical fasteners and having a tissue engaging surface thereon; c) an anvil member having a fastener forming surface thereon, the anvil member mounted adjacent the cartridge and configured for relative movement between an open position wherein said fastener forming surface is spaced from said tissue engaging surface and a closed position wherein said fastener forming surface is in close cooperative alignment with said tissue engaging surface; d) a motor assembly disposed within the elongate body; e) a power source disposed within the elongate body for energizing the motor assembly; f) an actuator for selectively controlling the motor assembly to operate the apparatus; g) an actuating assembly driven by the motor assembly and mounted for movement in a longitudinal direction to effect relative movement of the anvil member and the cartridge and to effect sequential ejection of a plurality of surgical fasteners from the cartridge; and h) an elongate extension member configured to engage a proximal end of the elongate body to facilitate utilization of the apparatus during an endoscopic surgical procedure.

Claim 16

Dependent Claim 35 words

A powered surgical apparatus as recited in claim 13, wherein the actuating assembly includes a longitudinally translating drive member driven by the motor assembly and first and second camming mechanisms driven by the drive member.

Claim 17

Dependent Claim 56 words

A powered surgical apparatus as recited in claim 14, wherein movement of the drive member in a longitudinal direction initially causes the first camming mechanism to effect relative movement of the anvil member and the cartridge and subsequently causes the second camming mechanism to effect sequential ejection of a plurality of surgical fasteners from the cartridge.

Claim 18

Dependent Claim 28 words

A powered surgical apparatus as recited in claim 15, wherein the drive member is threadably associated with an axial drive screw which is driven by the motor assembly.

Claim 19

Dependent Claim 190 words

A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis and having proximal and distal end portions; b) a cartridge supported by said elongate body and housing a plurality of surgical fasteners and having a tissue engaging surface thereon; c) an anvil member having a fastener forming surface thereon, the anvil member mounted adjacent the cartridge, the anvil member and cartridge being relatively movable between a first position wherein said fastener forming surface is spaced from said tissue engaging surface and a second position wherein said fastener forming surface is in close cooperative alignment with said tissue engaging surface; d) a motor assembly disposed within the elongate body; e) a power source disposed within the elongate body for energizing the motor assembly, the elongate body having a substantially uniform outer diameter along its entire length, such that said proximal and distal end portions have substantially the same diameter; and f) an actuating assembly driven by the motor assembly and mounted for movement in a longitudinal direction to effect sequential ejection of a plurality of surgical fasteners from the cartridge.

Claim 20

Dependent Claim 190 words

A self-contained powered surgical apparatus for applying surgical fasteners to body tissue comprising: a) an elongate body defining a longitudinal axis and having proximal and distal end portions; b) a cartridge supported by said elongate body and housing a plurality of surgical fasteners and having a tissue engaging surface thereon; c) an anvil member having a fastener forming surface thereon, the anvil member mounted adjacent the cartridge, the anvil member and cartridge being relatively movable between a first position wherein said fastener forming surface is spaced from said tissue engaging surface and a second position wherein said fastener forming surface is in close cooperative alignment with said tissue engaging surface; d) a motor assembly disposed within the elongate body; e) a power source disposed within the elongate body for energizing the motor assembly, the elongate body having a substantially uniform outer diameter along its entire length, such that said proximal and distal end portions have substantially the same diameter; and f) an actuating assembly driven by the motor assembly and mounted for movement in a longitudinal direction to effect sequential ejection of a plurality of surgical fasteners from the cartridge.

Claim 21

Dependent Claim 35 words

A powered surgical apparatus as recited in claim 17, wherein the actuating assembly includes a longitudinally translating drive member driven by the motor assembly and first and second camming mechanisms driven by the drive member.

Claim 22

Dependent Claim 56 words

A powered surgical apparatus as recited in claim 18, wherein movement of the drive member in a longitudinal direction initially causes the first camming mechanism to effect relative movement of the anvil member and the cartridge and subsequently causes the second camming mechanism to effect sequential ejection of a plurality of surgical fasteners from the cartridge.

Claim 23

Dependent Claim 28 words

A powered surgical apparatus as recited in claim 19, wherein the drive member is threadably associated with an axial drive screw which is driven by the motor assembly.

Claim 24

Dependent Claim 22 words

A powered surgical apparatus as recited in claim 17, wherein the apparatus has an operative length of less than about 7.0 inches.

Claim 25

Dependent Claim 21 words

A powered surgical apparatus as recited in claim 17, wherein the outer diameter is between about 0.450 and about 0.500 inches.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	2000-08-04	2001-02-03	2001-08-05	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2004-08-04	2005-02-03	2005-08-05	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2008-08-04	2009-02-03	2009-08-05	$7700.00	Window Closed / Lapsed

Self-contained powered surgical apparatus

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