Hook shaped ultrasonic cutting blade
First Claim
1. An ultrasonic surgical blade comprising a blade body and a shank, said shank being fixed at one end to said blade body and operatively connectable at an opposite end to a source of ultrasonic vibrations, said shank having a longitudinal axis, said shank having a shank width in a direction substantially perpendicular to said axis, said blade body having a blade width in a direction substantially perpendicular to said axis, said blade width being substantially less than said shank width, said blade body having a thickness substantially less than said blade width, said blade body having a hook portion at a distal end and opposite said shank, said blade body and said shank defining a cutout or recess between said shank at a proximal end and said hook portion at said distal end of said blade body.
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Accused Products
Abstract
An ultrasonic surgical blade has a blade body and a shank. The shank is fixed at one end to the blade body and is operatively connectable at an opposite end to a source of ultrasonic vibrations. The shank has a longitudinal axis. The blade body is eccentrically disposed relative to the axis.
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Citations
25 Claims
- 1. An ultrasonic surgical blade comprising a blade body and a shank, said shank being fixed at one end to said blade body and operatively connectable at an opposite end to a source of ultrasonic vibrations, said shank having a longitudinal axis, said shank having a shank width in a direction substantially perpendicular to said axis, said blade body having a blade width in a direction substantially perpendicular to said axis, said blade width being substantially less than said shank width, said blade body having a thickness substantially less than said blade width, said blade body having a hook portion at a distal end and opposite said shank, said blade body and said shank defining a cutout or recess between said shank at a proximal end and said hook portion at said distal end of said blade body.
- 14. An ultrasonic surgical blade comprising a blade body and a shank, said shank being fixed at one end to said blade body and operatively connectable at an opposite end to a source of ultrasonic vibrations, said shank having a longitudinal axis, said blade body including an elongate portion oriented substantially parallel to said axis and a distal end portion at an end of said elongate portion opposite said shank, said distal end portion having a first cutting edge facing in a distal direction away from said shank, said elongate portion having a second cutting edge facing laterally away from said axis, said blade body being eccentrically disposed relative to said axis.
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22. A surgical method comprising:
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providing a cutting blade having a blade body and a shank, said shank being fixed at one end to said blade body, said blade body having a hook portion at a distal end and opposite said shank, said hook portion including a first cutting edge facing in a distal direction away from said shank and a second cutting edge facing in a proximal direction toward said shank; operatively connecting said shank at an end opposite said blade body to a source of ultrasonic vibrations; thereafter moving said blade into a patient; ultrasonically vibrating said blade during the moving of said blade into the patient, so that said first cutting edge cuts into tissues of the patient; subsequently pulling said blade in a proximal direction out of the patient so that said second cutting edge engages bony tissue of the patient; and ultrasonically vibrating said blade during the pulling of said blade to thereby cut through said bony tissue. - View Dependent Claims (23, 24, 25)
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Specification