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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0478364 (2009-06-04) |
| 등록번호 | US-8424737 (2013-04-23) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 409 인용 특허 : 18 |
A surgical stapling device having a rotating knob locking mechanism, and a method of using the surgical stapling device is disclosed. The surgical stapling device includes a housing, an actuation member, an elongated body portion rotatably supported on the housing, and a locking mechanism for preven
A surgical stapling device having a rotating knob locking mechanism, and a method of using the surgical stapling device is disclosed. The surgical stapling device includes a housing, an actuation member, an elongated body portion rotatably supported on the housing, and a locking mechanism for preventing the rotation of the elongate body portion, the locking mechanism being automatically engaged upon actuation of the actuation member. The stapling device further includes a knob for rotating the elongated body portion. The locking mechanism includes a pivotably mounted member configured to engage the knob. The stapling device may further include an articulating tool assembly and an articulation lever for articulating the tool assembly. The articulation lever may be disposed on the knob for rotating the elongated body portion.
1. A surgical stapling instrument, comprising: a handle assembly having a movable handle;a tool assembly having a plurality of surgical staples;an elongate shaft defining a longitudinal axis, the elongate shaft mounted with the handle assembly for rotation of the elongate shaft about the longitudina
1. A surgical stapling instrument, comprising: a handle assembly having a movable handle;a tool assembly having a plurality of surgical staples;an elongate shaft defining a longitudinal axis, the elongate shaft mounted with the handle assembly for rotation of the elongate shaft about the longitudinal axis;the handle assembly further comprising a firing member extending therefrom and a pivotable locking member mounted in the handle assembly;the firing member extending through the elongate shaft and being advanced when the movable handle is moved in a first direction to fire the surgical staples from the tool assembly and;the pivotable locking member having a surface for engagement by the firing member when the movable handle is moved in the first direction and a distal end that moves into engagement with the elongate shaft when the surface is engaged by the firing member. 2. The surgical stapling instrument according to claim 1, wherein the distal end of the locking member has an o-ring. 3. The surgical stapling instrument according to claim 1, wherein the elongate shaft includes a rotatable member attached to the elongate shaft so that rotation of the rotatable member rotates the elongate shaft. 4. The surgical stapling instrument according to claim 3, wherein the locking member has a proximal end defining a pivot and the surface of the locking member defines a cam surface. 5. The surgical stapling instrument according to claim 3, wherein the firing member cams the pivotable locking member into engagement with a surface on the elongate shaft. 6. The surgical stapling instrument according to claim 3, wherein the rotatable member defines a notch and the locking member engages the notch when the surface is engaged by the firing member. 7. The surgical stapling instrument according to claim 1, wherein the firing member comprises a toothed rack. 8. The surgical stapling instrument according to claim 7, wherein the movable handle includes a pawl for engaging and disengaging the toothed rack. 9. A surgical stapling instrument, comprising: a handle assembly;a locking member pivotably mounted within the handle assembly;an elongate shaft defining a longitudinal axis, the elongate shaft mounted with the handle assembly for rotation of the elongate shaft about the longitudinal axis;a tool assembly located on a distal end of the elongate shaft and including a plurality of surgical staples; anda firing member extending through the elongate shaft and being advanced in a first direction to fire the surgical staples from the tool assembly, wherein the locking member includes a surface for engagement by the firing member when the firing member is moved in the first direction and a distal end that moves into engagement with the elongate shaft when the surface is engaged by the firing member. 10. The surgical stapling instrument according to claim 9, wherein the distal end of the locking member includes an o-ring. 11. The surgical stapling instrument according to claim 9, wherein the elongate shaft includes a rotatable member to facilitate rotation of the elongate shaft relative to the handle. 12. The surgical stapling instrument according to claim 11, wherein the firing member pivots the locking member into engagement with a surface on the rotatable member. 13. The surgical stapling instrument according to claim 9, wherein the locking member has a proximal end defining a pivot and the surface of the locking member defines a cam surface.
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