Protective mechanism for surgical rongeurs
First Claim
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1. A rongeur comprising a drive shaft having a cutting means proximate one end of said drive shaft, said cutting means responsive to movement of said drive shaft, said drive shaft movable responsive to a drive means for driving said drive shaft, a resilient member, said resilient member interposed between said drive means and said cutting means whereby force applied to said resilient member is transmitted to said drive shaft.
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Abstract
A protective spring mechanism is employed to protect the jaws of a surgical rongeur, thereby protecting the fragile parts of the activating mechanism from excessive peak loads and preventing breakage.
1575 Citations
12 Claims
- 1. A rongeur comprising a drive shaft having a cutting means proximate one end of said drive shaft, said cutting means responsive to movement of said drive shaft, said drive shaft movable responsive to a drive means for driving said drive shaft, a resilient member, said resilient member interposed between said drive means and said cutting means whereby force applied to said resilient member is transmitted to said drive shaft.
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10. The rongeur of claim 10 in which said oval member is a football shape spheroid, said spheroid having slots therein for controlling the resiliency of said oval member.
Specification