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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0160722 (2011-06-15) |
| 등록번호 | US-8157148 (2012-04-17) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 422 인용 특허 : 68 |
The present disclosure provides for a loading unit for use with and/or supportable on a distal end of a surgical stapling apparatus. The loading unit includes a housing portion including a distal end and a proximal end, a drive assembly slidably supported within the housing portion of the loading un
The present disclosure provides for a loading unit for use with and/or supportable on a distal end of a surgical stapling apparatus. The loading unit includes a housing portion including a distal end and a proximal end, a drive assembly slidably supported within the housing portion of the loading unit, and a locking mechanism pivotally supported on the housing portion of the loading unit, the locking mechanism having a first position wherein the locking mechanism engages a portion of the drive assembly and maintains the position, preferably the axial position, of the drive assembly relative to the housing portion of the loading unit, and the locking mechanism having a second position wherein the locking mechanism disengages the drive assembly and enables the drive assembly to move relative to the housing portion.
1. A method of securing a disposable loading unit to a surgical fastener applying apparatus, the method comprising the steps of: inserting a proximal end of the disposable loading unit into a distal end of an elongate body portion of the surgical fastener applying apparatus; androtating the disposab
1. A method of securing a disposable loading unit to a surgical fastener applying apparatus, the method comprising the steps of: inserting a proximal end of the disposable loading unit into a distal end of an elongate body portion of the surgical fastener applying apparatus; androtating the disposable loading unit relative to the elongate body portion of the surgical fastener applying apparatus to move a locking mechanism associated with the disposable loading unit from a first position, wherein a drive assembly of the disposable loading unit is maintained in a substantially fixed position to prevent firing of the surgical fastener applying apparatus, to a second position, wherein the drive assembly of the disposable loading unit is free to move to permit firing of the surgical fastener applying apparatus, and moving proximal and distal ends of the locking mechanism in opposing radial directions relative to a longitudinal axis of the disposable loading unit. 2. The method of claim 1, further comprising the step of moving the distal end of the locking mechanism out of engagement with the drive assembly of the disposable loading unit. 3. The method of claim 2, wherein the step of moving the distal end of the locking mechanism includes the steps of: moving the proximal end of the locking mechanism radially inward towards the longitudinal axis of the disposable loading unit; andmoving the distal end of the locking mechanism radially outward away from the longitudinal axis of the disposable loading unit. 4. The method of claim 3, wherein the step of inserting the proximal end of the disposable loading unit into the distal end of the elongate body portion includes the step of inserting the proximal end of the locking mechanism into a recess formed in the distal end of the elongate body portion. 5. The method of claim 4, wherein the step of inserting the proximal end of the locking mechanism into the recess includes the step of engaging corresponding angled surfaces defined by the recess and the proximal end of the locking mechanism. 6. The method of claim 1, wherein the step of moving the proximal and distal ends of the locking mechanism includes the step of pivoting the locking mechanism about a pivot point. 7. The method of claim 1, further comprising the step of displacing a biasing member in engagement with the locking mechanism, wherein the biasing member urges the locking mechanism towards the first position. 8. The method of claim 1, wherein the step of inserting the proximal end of the disposable loading unit into the distal end of the elongate body portion includes the step of positioning projections formed on the disposable loading unit within corresponding channels formed in the elongate body portion.
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