Rotary knife cutting systems
First Claim
Patent Images
1. A rotary cutting system for use with a surgical stapling device comprising:
- a knife blade having a distal cutting edge and a proximal base;
a support base positioned within a surgical stapling device;
a mainspring for imparting motion to the knife blade relative to the support base; and
a hammer member interposed between the knife blade and the mainspring, the hammer member being engageable with the proximal base of the knife blade, wherein a first end of the mainspring is attached to the support base and a second end of the mainspring is engageable with the hammer member.
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Abstract
A rotary cutting system for use with a surgical stapling device. The rotary cutting system generally includes a knife blade and a mainspring for imparting rotary motion to the circular knife blade. A hammer member is provided and is configured and adapted to engage the knife blade.
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Citations
7 Claims
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1. A rotary cutting system for use with a surgical stapling device comprising:
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a knife blade having a distal cutting edge and a proximal base; a support base positioned within a surgical stapling device; a mainspring for imparting motion to the knife blade relative to the support base; and a hammer member interposed between the knife blade and the mainspring, the hammer member being engageable with the proximal base of the knife blade, wherein a first end of the mainspring is attached to the support base and a second end of the mainspring is engageable with the hammer member. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification