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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0052402 (2011-03-21) |
| 등록번호 | US-8328823 (2012-12-11) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 354 인용 특허 : 337 |
There is provided a powered tacker device for use in installing multiple surgical fasteners through a prosthetic mesh into tissue. The powered tacker device generally includes a handle assembly and a tacker assembly extending distally from the handle assembly. The handle assembly includes a motor an
There is provided a powered tacker device for use in installing multiple surgical fasteners through a prosthetic mesh into tissue. The powered tacker device generally includes a handle assembly and a tacker assembly extending distally from the handle assembly. The handle assembly includes a motor and self-contained power assembly to rotate the surgical fasteners into tissue. The handle assembly is provided with a drive assembly which allows for rotation, as well as distal longitudinal movement, of a surgical fastener relative to the powered tacker device. The tacker assembly includes an inner tube for containing the plurality of surgical fasteners and a driver which is movable out of alignment with the inner tube so as to install a single fastener at a time into tissue.
1. A powered tacker device comprising: a handle assembly having a power source and a drive assembly mounted within the handle assembly, the drive assembly including a keyed journal having a threaded bore extending therethrough, the keyed journal being rotatably mounted within the handle assembly and
1. A powered tacker device comprising: a handle assembly having a power source and a drive assembly mounted within the handle assembly, the drive assembly including a keyed journal having a threaded bore extending therethrough, the keyed journal being rotatably mounted within the handle assembly and rotatable in response to actuation of the power source, a drive bar longitudinally movable at least partially through the keyed journal and a rotator rotatable in response to rotation of the keyed journal, the drive bar defining a longitudinal axis and including a threaded outer surface engageable with the threaded bore such that rotation of the keyed journal moves the drive bar in a longitudinal direction within the handle assembly;an actuator associated with the handle assembly and operable to engage the power source with the drive assembly; anda tacker assembly extending distally from the handle assembly and being substantially aligned with the longitudinal axis, the tacker assembly containing a plurality of surgical fasteners, the tacker assembly including an inner tube terminating in a driver engageable with the fasteners, wherein the inner tube is connected to the rotator and rotatable in response to rotation of the keyed journal;wherein the drive bar is connected to the rotator to move the rotator longitudinally within the handle assembly in response to rotation of the keyed journal;wherein the keyed journal includes at least one distally extending key and the rotator includes at least one slot engageable with the at least one key such that the rotator is rotated in response to rotation of the keyed journal. 2. The powered tacker device as recited in claim 1, wherein the rotator is longitudinally movable along the at least one key. 3. The powered tacker device as recited in claim 1, wherein the handle assembly includes a first limit switch and a second limit switch, the first and second limit switches operable to deactivate the power source. 4. The powered tacker device as recited in claim 3, wherein the drive bar includes a contact assembly, the contact assembly engageable with the first limit switch when the drive bar is in a proximal most position. 5. The powered tacker device as recited in claim 3, wherein the drive bar includes a contact assembly, the contact assembly engageable with the second limit switch when the drive bar is in a distal most position. 6. The powered tacker device as recited in claim 4, wherein the handle assembly includes at least one indicator, the indicator providing a visual indication when the contact assembly has engaged the first limit switch. 7. The powered tacker device as recited in claim 6, wherein the handle assembly includes at least one indicator, the indicator providing a visual indication when the contact assembly has engaged the second limit switch. 8. The powered tacker device as recited in claim 1, wherein the handle assembly includes a safety mechanism, the safety mechanism preventing actuation of the power source in response to the position of an outer tube associated with the tacker assembly. 9. The powered tacker device as recited in claim 8, wherein the safety mechanism includes a safety switch actuable in response to movement of the outer tube, the safety switch preventing actuation of the power source when the outer tube is in a distal most position. 10. A powered tacker device comprising: a handle assembly having a power source and a drive assembly mounted within the handle assembly, the drive assembly including a keyed journal having a bore extending therethrough, the keyed journal being rotatably mounted within the handle assembly and rotatable in response to actuation of the power source, a drive bar longitudinally movable at least partially through the keyed journal and a rotator rotatable in response to rotation of the keyed journal, the drive bar defining a longitudinal axis;an actuator associated with the handle assembly and operable to engage the power source with the drive assembly; anda tacker assembly extending distally from the handle assembly and being substantially aligned with the longitudinal axis, the tacker assembly containing a plurality of surgical fasteners, the tacker assembly including an inner tube terminating in a driver engageable with the fasteners, wherein the inner tube is connected to the rotator and rotatable in response to rotation of the keyed journal;wherein the power source includes a motor engageable with the keyed journal to rotate the keyed journal and a battery to power the motor;wherein the drive assembly includes a drive gear engageable with the keyed journal, the drive gear engageable with a spur gear on the motor to rotate the keyed journal;wherein the drive assembly includes a mesh gear engageable with the keyed journal and the drive gear;wherein the drive assembly includes a spring positioned within the keyed journal, the spring biasing the mesh gear into engagement with the drive gear. 11. The powered tacker device as recited in claim 10, wherein the handle assembly includes a safety mechanism, the safety mechanism preventing actuation of the power source in response to the position of an outer tube associated with the tacker assembly. 12. The powered tacker device as recited in claim 11, wherein the safety mechanism includes a safety switch actuable in response to movement of the outer tube, the safety switch preventing actuation of the power source when the outer tube is in a distal most position. 13. The powered tacker device as recited in claim 10, wherein the handle assembly includes a first limit switch and a second limit switch, the first and second limit switches operable to deactivate the power source. 14. The powered tacker device as recited in claim 13, wherein the drive bar includes a contact assembly, the contact assembly engageable with the first limit switch when the drive bar is in a proximal most position. 15. The powered tacker device as recited in claim 14, wherein the handle assembly includes at least one indicator, the indicator providing a visual indication when the contact assembly has engaged the first limit switch. 16. The powered tacker device as recited in claim 13, wherein the drive bar includes a contact assembly, the contact assembly engageable with the second limit switch when the drive bar is in a distal most position. 17. The powered tacker device as recited in claim 16, wherein the handle assembly includes at least one indicator, the indicator providing a visual indication when the contact assembly has engaged the second limit switch.
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