Methods and apparatus for fixing sheet-like materials to a target tissue
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/08
A61B-017/064
A61B-017/068
A61F-002/08
A61B-017/04
A61F-002/00
출원번호
US-0182723
(2014-02-18)
등록번호
US-8920464
(2014-12-30)
발명자
/ 주소
Euteneuer, Charles L.
McCarville, Rebecca
Frion, Duane
Zenz-Olson, Nathaniel
Feehan, Diane M.
출원인 / 주소
Rotation Medical, Inc.
대리인 / 주소
Seager, Tufte & Wickhem LLC
인용정보
피인용 횟수 :
0인용 특허 :
266
초록▼
A staple for attaching a sheet-like implant to tissue or bone may include first and second arms, and first and second flukes. In some embodiments, the first arm has a proximal end and a distal end, and the second arm has a proximal end and a distal end. A bridge extends from the proximal end of the
A staple for attaching a sheet-like implant to tissue or bone may include first and second arms, and first and second flukes. In some embodiments, the first arm has a proximal end and a distal end, and the second arm has a proximal end and a distal end. A bridge extends from the proximal end of the first arm to the proximal end of the second arm. The first fluke has a proximal end abutting the distal end of the first arm, and the first fluke extends distally from the first arm. The first fluke has a lateral extent larger than a lateral extent of the first arm and is mounted eccentrically thereto. The first fluke includes a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the first arm to engage the tissue or bone when inserted therein. The second fluke has similar features. This arrangement causes the first and second flukes to rotate in response to a pullout force on the bridge. Methods for attaching a sheet-like implant to a target tissue are also disclosed.
대표청구항▼
1. A staple for attaching a sheet-like implant to tissue or bone comprising: a first arm, having a proximal end and a distal end, and a second arm, having a proximal end and a distal end, with a bridge extending from the proximal end of the first arm to the proximal end of the second arm;a first flu
1. A staple for attaching a sheet-like implant to tissue or bone comprising: a first arm, having a proximal end and a distal end, and a second arm, having a proximal end and a distal end, with a bridge extending from the proximal end of the first arm to the proximal end of the second arm;a first fluke connected to the distal end of the first arm, the first fluke extending distally from the first arm, the first fluke having a lumen extending distally from a proximal surface of the first fluke toward a distal surface of the first fluke, wherein the lumen has a proximal opening on the proximal surface and distal opening on the distal surface, and wherein a portion of the first fluke extends distal of the distal opening of the lumen; and,a second fluke connected to the distal end of the second arm, the second fluke extending distally from the second arm, the second fluke having a lumen extending distally from a proximal surface of the second fluke toward a distal surface of the second fluke, wherein the lumen has a proximal opening on the proximal surface and a distal opening on the distal surface, and wherein a portion of the second fluke extends distal of the distal opening of the lumen. 2. The staple of claim 1, wherein a distal end of the first fluke is pointed and wherein a distal end of the second fluke is pointed. 3. The staple of claim 1, wherein the distal opening of the lumen of the first fluke is angled with respect to a longitudinal axis of the lumen of the first fluke, and wherein the distal opening of the lumen of the second fluke is angled with respect to a longitudinal axis of the lumen of the second fluke. 4. The staple of claim 1, wherein a lateral extent of the first fluke is greater than a lateral extent of the first arm and a lateral extent of the second fluke is greater than a lateral extent of the second arm. 5. The staple of claim 1, wherein each lumen of the first fluke and the second fluke is sized to receive a first stake and a second stake, respectively, of a staple delivery device therethrough. 6. The staple of claim 1, wherein there are no barbs or projections extending from the first arm towards the second arm and there are no barbs or projections extending from the second arm towards the first arm, and wherein at least a portion of each of the lengths of the first arm and the second arm is flexible. 7. The staple of claim 6, wherein at least a portion of each of the first arm and second arm flex in response to a force on the bridge in the proximal direction causing each of the first fluke and the second fluke to rotate. 8. The staple of claim 1, wherein the first arm, the second arm, the first fluke, the second fluke, proximal surfaces and the bridge are integrally formed of a polymeric material. 9. The staple of claim 1, wherein the proximal surface of the first fluke projects at an outward angle in a proximal direction away from the distal end of the first arm and the proximal surface of the first fluke includes a first notch that divides a portion of the proximal surface projecting at an outward angle into a first barb and a second barb. 10. The staple of claim 9, wherein when viewed along a longitudinal axis of the first arm the first notch bifurcates the portion of the proximal surface projecting at an outward angle to form the first barb and the second barb. 11. A staple for attaching a sheet-like implant to soft tissue or bone comprising: a first arm, having a proximal end and a distal end, and a second arm having a proximal end and a distal end with a bridge extending from the proximal end of the first arm to the proximal end of the second arm;a first fluke having a proximal end abutting the distal end of the first arm, the first fluke extending distally from the first arm, the first fluke including a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the first arm, the first fluke having a lumen extending distally from the proximal surface toward a distal surface thereof, wherein the lumen has a proximal opening on the proximal surface and a distal opening on the distal surface, and wherein a portion of the first fluke extends distal of the distal opening of the lumen; anda second fluke having a proximal end abutting the distal end of the second arm, the second fluke extending distally from the second arm, the second fluke including a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the second arm, the second fluke having a lumen extending distally from the proximal surface toward a distal surface thereof, wherein the lumen has a proximal opening on the proximal surface and a distal opening on the distal surface, and wherein a portion of the second fluke extends distal of the distal opening of the lumen. 12. The staple of claim 11, wherein there are no barbs or projections extending from the first arm towards the second arm and there are no barbs or projections extending from the second arm towards the first arm, thereby causing each of the first fluke and the second fluke to rotate from first positions toward a second, toggled positions in response to a pullout force on the bridge. 13. The staple of claim 12, wherein the staple is configured such that the first arm and second arm define a first longitudinal axis and a second longitudinal axis in the first positions, and wherein the first fluke rotates toward the toggled position relative to the first longitudinal axis and the second fluke rotates toward the toggled position relative to the second longitudinal axis. 14. The staple of claim 11, wherein the lumen extending from the proximal surface to the distal surface of the first fluke is spaced laterally from the first arm and the lumen extending from the proximal surface to the distal surface of the second fluke is spaced laterally from the second arm. 15. The staple of claim 11, wherein a distal end of the first fluke is pointed and wherein a distal end of the second fluke is pointed. 16. The staple of claim 11, wherein the distal opening of the lumen of the first fluke is angled with respect to a longitudinal axis of the lumen of the first fluke, and wherein the distal opening of the lumen of the second fluke is angled with respect to a longitudinal axis of the lumen of the second fluke. 17. The staple of claim 11, wherein a lateral extent of the first fluke is greater than a lateral extent of the first arm and a lateral extent of the second fluke is greater than a lateral extent of the second arm. 18. A staple for attaching a sheet-like implant to soft tissue or bone comprising: a first arm, having a proximal end and a distal end, and a second arm having a proximal end and a distal end with a bridge extending from the proximal end of the first arm to the proximal end of the second arm;a first fluke connected to the distal end of the first arm and having a proximal end and a distal end, wherein at least a portion of the distal end of the first fluke extends distal of the first arm and wherein the distal end of the first fluke is angled with respect to a longitudinal axis of the first fluke running from the proximal end of the first fluke to the distal end thereof, the first fluke including a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the first arm wherein at least a portion of the proximal surface extends laterally further away from the first arm than the distal end of the first fluke;the first fluke including a lumen extending distally from the proximal surface of the first fluke toward a distal surface of the first fluke and wherein a portion of the first fluke extends distal of a distal opening of the lumen on the distal surface of the first fluke; anda second fluke connected to the distal end of the second arm and having a proximal end and a distal end, wherein at least a portion of the distal end of the second fluke extends distal of the second arm and wherein the distal end of the second fluke is angled with respect to a longitudinal axis of the second fluke running from the proximal end of the second fluke to the distal end thereof, the second fluke including a proximal surface projecting at an outward angle in a proximal direction away from the distal end of the second arm wherein at least a portion of the proximal surface extends laterally further away from the second arm than the distal end of the second fluke;the second fluke including a lumen extending distally from the proximal surface of the second fluke toward a distal surface of the second fluke and wherein a portion of the second fluke extends distal of a distal opening of the lumen on the distal surface of the second fluke. 19. The staple of claim 18, wherein there are no barbs or projections extending from the first arm towards the second arm and there are no barbs or projections extending from the second arm towards the first arm, wherein at least a portion of each of the lengths of the first arm and the second arm is flexible, and wherein at least a portion of each of the first arm and second arm flex in response to a force on the bridge in the proximal direction causing each of the first fluke and the second fluke to rotate.
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