Electrosurgical hemostat
First Claim
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1. A device for performing a surgical procedure, comprisinga handle comprising a malleable shaft;
- a pair of closeable jaws on a distal portion of the malleable shaft;
means on at least one of the jaws for ablative treatment of tissue;
means for closing the jaws on tissuemeans for adjusting roll of the pair of jaws relative to the malleable shaft; and
means for retaining a selected roll position of the pair of jaws relative to the handle in one of a limited number of selectable predetermined positions such that the jaws can be closed without changing the selected roll position.
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Abstract
A hemostat-type device for ablative treatment of tissue, particularly for treatment of atrial fibrillation, is constructed with features that provide easy and effective treatment. The device may include a swiveling head assembly that allows the jaws to be adjusted in pitch and/or roll. The device may include a malleable or articulating handle shaft, as well as, malleable or curved rigid jaws that can permit curved lesion shapes. A locking detent can secure the jaws in a closed position during the procedure. The device may include one or more remote actuators making the hemostat-type device useful for minimally invasive procedures.
1829 Citations
42 Claims
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1. A device for performing a surgical procedure, comprising
a handle comprising a malleable shaft; -
a pair of closeable jaws on a distal portion of the malleable shaft; means on at least one of the jaws for ablative treatment of tissue; means for closing the jaws on tissue means for adjusting roll of the pair of jaws relative to the malleable shaft; and means for retaining a selected roll position of the pair of jaws relative to the handle in one of a limited number of selectable predetermined positions such that the jaws can be closed without changing the selected roll position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device for performing a surgical procedure within the body of a patient, comprising
a handle including an elongated housing wherein the elongated housing rotates with the handle and not relative to the handle; -
a pair of closeable jaws on a distal portion of the handle; means on at least one of the jaws for ablative treatment of tissue; means for closing the jaws on tissue; means for adjusting pitch of the pair of jaws relative to the handle from outside the body of the patient while the jaws are located within the body of the patient; and means for retaining a selected roll position of the pair of jaws relative to the handle in one of a limited number of selectable predetermined positions such that the jaws can be closed without changing the selected roll position. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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33. A method for performing a surgical procedure, comprising:
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providing a device having an elongated shapeable handle and a pair of jaws on a distal portion of the handle; shaping the handle into a selected configuration; adjusting roll of the pair of jaws to a selected roll position relative to the elongated shapeable handle; retaining the selected roll position in one of a limited number of selectable predetermined positions relative to the handle such that the jaws can be closed without changing the selected roll position; introducing the distal portion of the device into a surgical incision; placing a portion of tissue between the pair of open jaws; closing the jaws into contact with the portion of tissue; performing an ablative treatment on the portion of tissue; and opening the jaws. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42)
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Specification