Left atrial appendage devices and methods
First Claim
Patent Images
1. A tissue clamping device for altering the configuration of tissue, the tissue clamping device comprising:
- a first elongated plate having a first end and a second end, a second elongated plate having a first end and a second end, a first connector connecting said first end of said first elongated plate to said first end of said second elongated plate, wherein said tissue clamping device has a first position and a second position, and a locking mechanism for locking said tissue clamping device in said second position.
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Abstract
Devices and methods for clamping tissue and/or moving two tissue structures together by moving two plates or arm together. The pressure or force applied to the tissue may be used to bring the tissue together, to seal an opening or to cut through and remove a portion of the tissue. In one procedure disclosed, a clip applier may be used to apply one or more clips to the left atrial appendage of the heart to prevent clots from the left atrial appendage from embolizing and causing harm to the patient, such as a stroke.
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Citations
125 Claims
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1. A tissue clamping device for altering the configuration of tissue, the tissue clamping device comprising:
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a first elongated plate having a first end and a second end, a second elongated plate having a first end and a second end, a first connector connecting said first end of said first elongated plate to said first end of said second elongated plate, wherein said tissue clamping device has a first position and a second position, and a locking mechanism for locking said tissue clamping device in said second position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
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56. A clip applier for applying at least one clip to a left atrial appendage of a heart of a patient, the device comprising:
- an elongate shaft defining a proximal end and a distal end;
clip applying means coupled with the shaft at or near the distal end; and
an actuator coupled with the shaft at or near the distal end and also coupled with the clip applying means so as to actuate the applying means to apply the at least one clip to the left atrial appendage. - View Dependent Claims (57, 58, 59)
- an elongate shaft defining a proximal end and a distal end;
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60. A tissue clamping device for altering the configuration of tissue, the tissue clamping device comprising:
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a first elongated plate having a first end and a second end, a second elongated plate having a first end and a second end, said first end of said second plate being connected with said first end of said first plate, and said second end of said second plate being connected with said second end of said second plate, an inflatable membrane connected to said first plate, wherein has a first, deflated position and a second, inflated position, and a fill opening in fluid communication with an interior of said inflatable membrane. - View Dependent Claims (61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72)
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73. A tissue clamping device for altering the configuration of tissue, the tissue clamping device comprising:
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a first elongated arm having a first end and a second end, a second elongated arm having a first end and a second end, said first end of said second arm being connected with said first end of said first arm, and a locking arm extending from said first elongated arm, said locking arm configured to engage an engagement portion of said second elongated arm, said tissue clamping device having a first position and a second position, wherein, in said first position, said locking arm is separated from said second elongated arm, and in said second position, said locking arm engages said engagement portion of said second elongated arm. - View Dependent Claims (74, 75, 76, 77, 78, 79, 82, 83)
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84. A tissue clamping device for altering the configuration of tissue, the tissue clamping device comprising:
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a first elongated plate having a first end and a second end, a second elongated plate having a first end and a second end, a cable extending from said first elongated plate, through a first cable opening in said first end of said second elongated plate, through a second cable opening in said second end of said second elongated plate, and through a third cable opening in said second end of said first elongated plate, wherein said tissue clamping device has a first position and a second position, and wherein said tissue clamping device is moved from said first position to said second position by pulling an end of said cable. - View Dependent Claims (80, 81, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96)
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97. A method of altering the natural proximity of two tissue structures, the method comprising the steps of:
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(a) displacing a first and second tissue structure with a tissue clamping device;
(b) bringing the first tissue structure into contact with the second tissue structure;
(c) and applying sufficient pressure with the tissue clamping device to the first and second tissue structures such that intimate contact between the first and second tissue structures is maintained under normal anatomical circulatory pressures of the cardiovascular system. - View Dependent Claims (98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125)
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Specification