Method and devices for increasing ultrasonic effects
First Claim
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1. An ultrasonic surgical device comprising:
- a first transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy;
a second transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy;
a first transmission rod having a first end and a second end, the first transmission rod being coupled to and adapted to receive the ultrasonic vibration from the first transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the first transmission rod, the first end of the first transmission rod being coupled to the first transducer assembly; and
a second transmission rod having a first end and a second end, the second transmission rod being coupled to and adapted to receive the ultrasonic vibration from the first transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the second transmission rod, the first end of the second transmission rod being coupled to the second transducer assembly; and
a first end effector having a first end and a second end, the first end effector being adapted to receive the ultrasonic vibrations from the first transmission rod and to transmit the vibration from the first end to the second end of the first end effector, the first end of the first end effector being coupled to the second end of the transmission rod, the second end of the first end effector disposed; and
a second end effector having a first end and a second end, the second end effector being adapted to receive the ultrasonic vibration from the second transmission rod and to transmit the vibration from the first end to the second end of the second end effector, the first end of the second end effector being coupled to the second end of the transmission rod, the second end of the second end effector being disposed near an antinode.
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Abstract
A surgical device in accordance with the present invention includes a plurality of transducer assemblies carried by the housing and a plurality of end effectors. Each end effector is operatively coupled to one of the transducer assemblies. One method in accordance with the present invention includes the steps of providing a plurality of end effectors, each end effector being driven by a transducer assembly. The method further includes the steps of placing the end effectors in close proximity to the tissue of a patient, energizing the plurality of end effectors to vibrate at a predetermined frequency, and contacting the tissue with the end effectors.
551 Citations
37 Claims
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1. An ultrasonic surgical device comprising:
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a first transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a second transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a first transmission rod having a first end and a second end, the first transmission rod being coupled to and adapted to receive the ultrasonic vibration from the first transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the first transmission rod, the first end of the first transmission rod being coupled to the first transducer assembly; and a second transmission rod having a first end and a second end, the second transmission rod being coupled to and adapted to receive the ultrasonic vibration from the first transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the second transmission rod, the first end of the second transmission rod being coupled to the second transducer assembly; and a first end effector having a first end and a second end, the first end effector being adapted to receive the ultrasonic vibrations from the first transmission rod and to transmit the vibration from the first end to the second end of the first end effector, the first end of the first end effector being coupled to the second end of the transmission rod, the second end of the first end effector disposed; and a second end effector having a first end and a second end, the second end effector being adapted to receive the ultrasonic vibration from the second transmission rod and to transmit the vibration from the first end to the second end of the second end effector, the first end of the second end effector being coupled to the second end of the transmission rod, the second end of the second end effector being disposed near an antinode. - View Dependent Claims (2, 3, 4)
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5. An ultrasonic surgical device comprising:
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a first transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a second transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a first transmission component having a first end and a second end, the first transmission component being adapted to receive the ultrasonic vibration from the first transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the first transmission component; and a second transmission component having a first end and a second end, the second transmission component being adapted to receive the ultrasonic vibration from the second transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the second transmission component, said first and second transmission components being respectively coupled to said first and second transducer assemblies. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
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13. A surgical device comprising:
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a housing carrying a first transducer assembly and a second transducer assembly; the first and second transducers each including a plurality of piezoelectric elements; a first end effector adapted to receive ultrasonic vibrations from the first transducer assembly; and a second end effector adapted to receive ultrasonic vibrations from the second transducer. - View Dependent Claims (14, 15, 16, 17)
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18. A surgical device comprising:
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a first transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a second transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a first transmission wire having a first end and a second end, the first transmission wire having the first end thereof coupled to said first transducer assembly to receive ultrasonic vibration from the first transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the first transmission wire; and a second transmission wire having a first end and a second end, the second transmission wire having the first end thereof coupled to said second transducer assembly to receive ultrasonic vibration from the second transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the second transmission wire. - View Dependent Claims (19, 20, 21, 22)
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23. A method of producing ultrasonic effects to tissue of a patient comprising the steps of:
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providing a plurality of end effectors, each end effector being driven by a respective transducer assembly; placing the end effectors in close proximity to the tissue of a patient; vibrating the plurality of end effectors at a predetermined frequency; and contacting the tissue with the end effectors.
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24. A method of producing ultrasonic effects to tissue of a patient comprising the steps of:
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providing a plurality of end effectors and a plurality of transducer assemblies, each said end effector being driven by a respective one of said transducer assemblies; placing the end effectors in close proximity to the tissue of a patient; vibrating each of the plurality of end effectors at a respective predetermined frequency by operation of the respective one of said transducer assemblies; and contacting the tissue with the end effectors. - View Dependent Claims (25)
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26. An ultrasonic surgical device comprising:
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a housing; first and second transducer assemblies carried by the housing, the transducer assemblies adapted to vibrate at an ultrasonic frequency in response to electrical energy; a catheter body couplable to the housing, the catheter body having a first end, a second end and at least one lumen extending longitudinally therethrough, the catheter body configured to be placed within a vessel of a patient'"'"'s vascular system; first and second flexible transmission rods extending longitudinally through the catheter, the first and second transmission rods having a first end and a second end, the first and second transmission rods adapted to receive ultrasonic vibration from the first and second transducer assemblies, respectively, and to transmit the ultrasonic vibration from the first end to the second end of each transmission rod; and a first and second end effector coupled to the second ends of the first and second transmission rods, respectively, the first and second end effector adapted to receive the ultrasonic vibration from the first and second transmission rods, respectively, and to transmit the vibrations from a first end to a second end of the end effectors wherein the first and second end effectors are extendable beyond the second end of the catheter to contact the tissue.
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27. A surgical device comprising:
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a catheter defining a lumen; a plurality of transducer assemblies carried by the catheter and positioned therein along a lengthwise dimension of the catheter; and a plurality of end effectors, each end effector being coupled to a respective one of the transducer assemblies for ultrasonically driving said end effectors, said end effectors extending distally relative to the transducer assemblies, each end effector having a vibrating distal end extending distally of a distal end of said catheter. - View Dependent Claims (28, 29)
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30. A method of breaking up tissue comprising the steps of:
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providing a surgical device including a plurality of acoustic assemblies, each having a transducer assembly and an end effector coupled to the respective transducer assembly; energizing the surgical device to cause the end effectors of the acoustic assemblies to vibrate; and contacting the end effectors of the acoustic assemblies with tissue of a patient. - View Dependent Claims (31)
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32. A surgical device comprising:
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a housing which carries a plurality of end effectors, each said end effector extending from a distal end of said housing; the plurality of end effectors being operable at the same or different ultrasonic frequencies, phases, or amplitudes by transmission of ultrasonic energy thereto for performing a surgical procedure. - View Dependent Claims (33)
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34. An ultrasonic surgical device comprising:
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a first transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a second transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a generator to energize the first and second transducer assemblies; a first transmission rod having a first end and a second end, the first transmission rod being adapted to receive the ultrasonic vibration from the first transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the first transmission rod, the first end of the first transmission rod being coupled to the first transducer assembly; a second transmission rod having a first end and a second end, the second transmission rod being adapted to receive the ultrasonic vibration from the first transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the second transmission rod, the first end of the second transmission rod being coupled to the second transducer assembly; a first end effector having a first end and a second end, the first end effector being adapted to receive the ultrasonic vibrations from the first transmission rod and to transmit the vibration from the first end to the second end of the first end effector, the first end of the first end effector being coupled to the second end of the transmission rod, the second end of the first end effector disposed; and a second end effector having a first end and a second end, the second end effector being adapted to receive the ultrasonic vibration from the second transmission rod and to transmit the vibration from the first end to the second end of the second end effector, the first end of the second end effector being coupled to the second end of the transmission rod, the second end of the second end effector being disposed near an antinode. - View Dependent Claims (35)
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36. An ultrasonic surgical device comprising:
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a first transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a second transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; a first transmission component having a first end and a second end, the first transmission component being adapted to receive the ultrasonic vibration from the first transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the first transmission component; a second transmission component having a first end and a second end, the second transmission component being adapted to receive the ultrasonic vibration from the second transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the second transmission component; and a third transducer assembly adapted to vibrate at an ultrasonic frequency in response to electrical energy; and a third transmission component having a first end and a second end, the third transmission component adapted to receive ultrasonic vibration from the third transducer assembly and to transmit the ultrasonic vibration from the first end to the second end of the third transmission component.
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37. A method of breaking up tissue within a patient'"'"'s body comprising the steps of:
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inserting a catheter having a plurality of end effectors, each driven by a transducer assembly, in a cardiovascular system of the patient; advancing the catheter through the cardiovascular system until a desired area is reached; vibrating the distal ends of the end effectors; directing the end effectors into a position in close proximity with the tissue; withdrawing the end effectors from the tissue; and repeating the steps of advancing, directing and withdrawing.
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Specification