Ultrasonic surgical instrument and cartilage and bone shaping blades therefor
First Claim
Patent Images
1. An ultrasonic surgical blade comprising:
- an ultrasonic transmission member;
a substantially spherically-shaped blade body protruding from said ultrasonic transmission member and having a treatment region;
at least one endless groove formed around a circumference of said spherically-shaped blade body in said treatment region thereof wherein each said groove forms at least one tissue cutting edge with an outer surface of said blade body;
a first lumen extending at least partially through said ultrasonic transmission member and at least a portion of said blade body; and
at least one second lumen extending at least partially through another portion of said blade body and intersecting said first lumen for fluid communication therewith, each said second lumen forming at least one opening into one of said at least one endless groove.
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Abstract
An ultrasonic surgical blade that includes a blade body that has a treatment region. At least one indentation can be formed in the treatment region of the blade body wherein each indentation forms a tissue cutting edge with an outer surface of the blade body. The indentation may comprise one or more holes, lumens, grooves or dimples or a combination of such structures. In various embodiments, one or more aspiration lumens are provided in the surgical blade which may ultimately communicate with an aspiration lumen or passage in an ultrasonic surgical instrument.
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Citations
11 Claims
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1. An ultrasonic surgical blade comprising:
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an ultrasonic transmission member; a substantially spherically-shaped blade body protruding from said ultrasonic transmission member and having a treatment region; at least one endless groove formed around a circumference of said spherically-shaped blade body in said treatment region thereof wherein each said groove forms at least one tissue cutting edge with an outer surface of said blade body; a first lumen extending at least partially through said ultrasonic transmission member and at least a portion of said blade body; and at least one second lumen extending at least partially through another portion of said blade body and intersecting said first lumen for fluid communication therewith, each said second lumen forming at least one opening into one of said at least one endless groove. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification