Ultrasonic surgical blades
First Claim
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1. An apparatus, comprising:
- an ultrasonic surgical blade for at least one of cutting and coagulating tissue, wherein the ultrasonic surgical blade comprises;
a body having a proximal end, a distal end, and an outer surface comprising a treatment region configured to directly contact the tissue to be treated, wherein the distal end is movable relative to a longitudinal axis in accordance with ultrasonic vibrations applied to the proximal end; and
a lubricious coating for contacting tissue, wherein the lubricious coating comprises a coefficient of friction that is less than the coefficient of friction of the outer surface of the body, wherein the lubricious coating is adhered to at least a portion of the treatment region of the outer surface of the body, wherein the lubricious coating comprises a polymeric material, and wherein the lubricious coating comprises a second layer adhered to at least a portion of a first layer.
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Abstract
An ultrasonic surgical blade includes a body having a proximal end, a distal end, and an outer surface. The distal end is movable relative to a longitudinal axis in accordance with ultrasonic vibrations applied to the proximal end. At least a portion of the outer surface of the body comprises a lubricious coating adhered thereto. The lubricious coating has a coefficient of friction that is less than the coefficient of friction of the outer surface of the body.
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Citations
21 Claims
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1. An apparatus, comprising:
an ultrasonic surgical blade for at least one of cutting and coagulating tissue, wherein the ultrasonic surgical blade comprises; a body having a proximal end, a distal end, and an outer surface comprising a treatment region configured to directly contact the tissue to be treated, wherein the distal end is movable relative to a longitudinal axis in accordance with ultrasonic vibrations applied to the proximal end; and a lubricious coating for contacting tissue, wherein the lubricious coating comprises a coefficient of friction that is less than the coefficient of friction of the outer surface of the body, wherein the lubricious coating is adhered to at least a portion of the treatment region of the outer surface of the body, wherein the lubricious coating comprises a polymeric material, and wherein the lubricious coating comprises a second layer adhered to at least a portion of a first layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An ultrasonic surgical blade, comprising:
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a body, comprising; a proximal end; a distal end movable relative to a longitudinal axis in accordance with ultrasonic vibrations applied to the proximal end; and an outer surface defining a first coefficient of friction relative to a piece of tissue, wherein the outer surface comprises a tissue treatment region; a first lubricious coating adhered to at least a portion of the tissue treatment region; and a second lubricious coating overlapping at least a portion of the first lubricious coating and configured to directly contact tissue, wherein the second lubricious coating defines a second coefficient of friction relative to the piece of tissue, and wherein the second coefficient of friction is less than the first coefficient of friction. - View Dependent Claims (13, 14, 15, 16)
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17. An ultrasonic surgical blade, comprising:
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a body, comprising; a proximal end; a distal end movable relative to a longitudinal axis in accordance with ultrasonic vibrations applied to the proximal end; and an outer surface defining a first coefficient of friction relative to a piece of tissue, wherein the outer surface comprises a tissue treatment region; and a layered coating adhered to at least a portion of the tissue treatment region and configured to directly contact tissue, wherein the layered coating defines a second coefficient of friction relative to the piece of tissue, and wherein the second coefficient of friction is less than the first coefficient of friction. - View Dependent Claims (18, 19, 20, 21)
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Specification