Damping ultrasonic transmission components
DC CAFCFirst Claim
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1. An ultrasonic surgical device comprising:
- a transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy;
a mounting device having a first end and a second end, the mounting device adapted to receive ultrasonic vibration from the transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the mounting device, the first end of the mounting device coupled to the transducer assembly;
a transmission rod having a first end and a second end, the transmission rod adapted to receive ultrasonic vibration from the mounting device and to transmit the ultrasonic vibration from the first end to the second end of the transmission rod;
a damping member surrounding at least a portion of the transmission rod, the damping member configured to loosely contact the transmission rod over a portion of the transmission rod, the damping member adapted to absorb undesired vibrations along the transmission rod without the use of a fluid; and
an end effector having a first end and a second end, the end effector adapted to receive the ultrasonic vibration from the transmission rod and to transmit the ultrasonic vibration from the first end to the second end of the end effector, the second end of the end effector being disposed near an antinode and the first end of the end effector coupled to the second end of the transmission rod.
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Abstract
An ultrasonic surgical device in accordance with the present invention includes a transmission component adapted to receive ultrasonic vibration from a transducer assembly and to transmit the ultrasonic vibration from a first end to a second end. An inner damping member surrounds at least a portion of the transmission component. The dampening member is adapted to contact the transmission component to dampen undesired vibration during ultrasonic transmission.
527 Citations
26 Claims
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1. An ultrasonic surgical device comprising:
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a transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a mounting device having a first end and a second end, the mounting device adapted to receive ultrasonic vibration from the transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the mounting device, the first end of the mounting device coupled to the transducer assembly; a transmission rod having a first end and a second end, the transmission rod adapted to receive ultrasonic vibration from the mounting device and to transmit the ultrasonic vibration from the first end to the second end of the transmission rod; a damping member surrounding at least a portion of the transmission rod, the damping member configured to loosely contact the transmission rod over a portion of the transmission rod, the damping member adapted to absorb undesired vibrations along the transmission rod without the use of a fluid; and an end effector having a first end and a second end, the end effector adapted to receive the ultrasonic vibration from the transmission rod and to transmit the ultrasonic vibration from the first end to the second end of the end effector, the second end of the end effector being disposed near an antinode and the first end of the end effector coupled to the second end of the transmission rod. - View Dependent Claims (2, 3)
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4. An ultrasonic surgical device comprising:
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a transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a transmission rod having a first end and a second end, the transmission rod adapted to receive ultrasonic vibration from the transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the transmission rod; a damping member surrounding a portion of the transmission rod, the damping member adapted to contact the transmission rod near at least one antinode of transverse vibration and configured to absorb undesired vibration without the use of a fluid; and an end effector having a first end and a second end, the end effector adapted to receive the ultrasonic vibration from the transmission rod and to transmit the ultrasonic vibration from the first end to the second end of the end effector, the second end of the end effector disposed near an antinode and the first end of the end effector coupled to the second end of the transmission rod. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. An ultrasonic surgical device comprising:
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a transmission component having a first end and a second end, the first transmission component adapted to receive ultrasonic vibration from a transducer assembly and to transmit the ultrasonic vibration from the first end to the second end; and an inner damping member surrounding at least a portion of the transmission component, the dampening member adapted to contact the transmission component along the entire length of the damping member to dampen undesired vibrations during ultrasonic transmission, wherein the dampening member contacts the transmission component near least one antinode of transverse vibration. - View Dependent Claims (24)
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25. An ultrasonic surgical instrument comprising:
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a working member having a shaft; the shaft having a first end and a second end, the shaft adapted to receive ultrasonic vibration and to transmit the ultrasonic vibration from the first end to the second end of the shaft; and an inner the damping sheath surrounding a portion of the shaft, the inner member adapted to contact at least one antinode of transverse vibration to dampen undesired ultrasonic vibration without the use of a fluid; and an outer damping sheath surrounding at least a portion of the length of the shaft, the outer sheath radially spaced from the inner sheath and the shaft.
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26. A damping device for an ultrasonic transmission component comprising:
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a tubular member to absorb unwanted ultrasonic vibration along the transmission component while permitting axial vibration of the transmission component during transmission of an ultrasonic waveform along the transmission component, the tubular member having an inner surface and outer surface, the tubular member formed from a polymeric material; the inner surface of the tubular member defining a longitudinal opening extending therethrough, and adapted to loosely surround at least a portion of the transmission; and wherein the tubular member has at least one longitudinal slit.
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Specification