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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0577852 (2014-12-19) |
| 등록번호 | US-10188392 (2019-01-29) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 316 |
The invention provides improved devices, systems, and methods for tissue approximation and repair at treatment sites. The invention provides devices, systems, and methods that may more successfully approximate and repair tissue by improving the capture of tissue into the devices. The invention may b
The invention provides improved devices, systems, and methods for tissue approximation and repair at treatment sites. The invention provides devices, systems, and methods that may more successfully approximate and repair tissue by improving the capture of tissue into the devices. The invention may be a one-way mechanism that allows tissue to enter the mechanism but not easily exit, such as a leaf-spring, a protrusion, a pivoting arm and one or more frictional elements.
1. A fixation device for engaging tissue comprising: a pair of distal elements each having a first end, a free end opposite the first end, and an engagement surface therebetween, the pair of distal elements having an open position and a closed position;a pair of proximal elements each having a first
1. A fixation device for engaging tissue comprising: a pair of distal elements each having a first end, a free end opposite the first end, and an engagement surface therebetween, the pair of distal elements having an open position and a closed position;a pair of proximal elements each having a first end, a free end opposite the first end, and an engagement surface therebetween, the pair of proximal elements configured to be raised from and lowered toward the distal elements; anda shaft to which the first ends of the proximal elements and distal elements are operably coupled;wherein each of the distal elements comprises a retaining element joined to and extending from a location proximate the free end of the distal element, the retaining element being configured to permit tissue to move toward the first end of the distal element and to resist movement of the tissue away from the first end of the distal element, the retaining element extending along substantially an entire length of the distal element from proximate the free end towards the first end of the distal element when in the closed position,wherein the retaining elements comprise at least one leaf spring configured to direct or urge the tissue toward engagement with one or more barbs located on one of the proximal elements. 2. The fixation device of claim 1, wherein each proximal element further comprises one or more frictional elements on the engagement surface. 3. The fixation device of claim 2, wherein the frictional elements located on each proximal element comprise one or more barbs. 4. The fixation device of claim 1, wherein each of the retaining elements further comprises at least one protrusion. 5. The fixation device of claim 1, wherein each retaining element is configured to resist movement of the tissue away from the first end of the distal element with the proximal elements lowered.
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