Ultrasonic surgical blades
First Claim
Patent Images
1. An ultrasonic surgical instrument, comprising:
- a waveguide extending along a longitudinal axis; and
an ultrasonic blade, comprising;
a proximal end coupled to the waveguide;
a distal end movable relative to the longitudinal axis in accordance with ultrasonic vibrations applied to the waveguide; and
a tissue treatment region comprising a coated portion and an uncoated portion, wherein the coated portion comprises a distal-facing surface.
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Abstract
An ultrasonic surgical instrument including a wavequide extending along a longitudinal axis and an ultrasonic blade is disclosed. The ultrasonic blade includes a proximal end coupled to the waveguide, a distal end movable relative to the longitudinal axis in accordance with ultrasonic vibrations applied to the wavequide, and a tissue treatment region including a coated portion and an uncoated portion. The coated portion includes a distal-facing surface.
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Citations
20 Claims
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1. An ultrasonic surgical instrument, comprising:
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a waveguide extending along a longitudinal axis; and an ultrasonic blade, comprising; a proximal end coupled to the waveguide; a distal end movable relative to the longitudinal axis in accordance with ultrasonic vibrations applied to the waveguide; and a tissue treatment region comprising a coated portion and an uncoated portion, wherein the coated portion comprises a distal-facing surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An ultrasonic surgical instrument, comprising:
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a waveguide extending along a longitudinal axis; and an ultrasonic blade, comprising; a proximal end coupled to the waveguide; a distal end movable relative to the longitudinal axis in accordance with ultrasonic vibrations applied to the waveguide; and a tissue treatment region comprising a first portion and a second portion, wherein the first portion comprises a coated distal-facing surface, wherein the first portion defines a first coefficient of friction relative to a tissue, wherein the second portion defines a second coefficient of friction relative to the tissue, and wherein the second coefficient of friction is different than the first coefficient of friction. - View Dependent Claims (10, 11, 12, 13)
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14. An ultrasonic surgical blade, comprising:
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a solid metal body comprising a proximal end, wherein the proximal end is configured to receive ultrasonic vibrations; a tissue treatment region defined on the solid metal body, wherein the tissue treatment region comprises a first portion and a second portion, wherein the first portion comprises a distal-facing surface; and a coating adhered to the distal-facing surface. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification