Surgical fastener delivery and locking mechanism
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/064
A61B-017/068
A61B-017/04
A61B-017/072
A61B-017/06
A61B-017/00
출원번호
US-0132861
(2016-04-19)
등록번호
US-10117648
(2018-11-06)
발명자
/ 주소
Levy, Arie
Levin, Yehonatan
Levin, Lena
Levin, Ofek
출원인 / 주소
Via Surgical Ltd.
대리인 / 주소
Brown Rudnick LLP
인용정보
피인용 횟수 :
0인용 특허 :
76
초록▼
The invention provides a fastening device for laparoscopic hernia repair. The coordinated operation of two insertion members stabilizes a fastener during closure and locking to ensure that the fastener is locked in the intended location before the device releases from the fastener. One of the insert
The invention provides a fastening device for laparoscopic hernia repair. The coordinated operation of two insertion members stabilizes a fastener during closure and locking to ensure that the fastener is locked in the intended location before the device releases from the fastener. One of the insertion members includes a pair of prongs that exhibit a closed configuration when they are disposed in a recess at an end of the fastener. The fastener has a hook at one end and a loop at the other end. The insertion members push the fastener out from the device and through the tissue. A curvature in at least one of the insertion members pushes the hook through the loop all while the prongs are in the recess in the fastener, thereby stabilizing the fastener with respect to the device.
대표청구항▼
1. A device for delivering a plurality of surgical fasteners, one at a time, into tissue of a patient, the device comprising: a handle including a trigger;a shaft extending from the handle and dimensioned for insertion into a patient's abdomen through an incision in the abdomen;an applicator section
1. A device for delivering a plurality of surgical fasteners, one at a time, into tissue of a patient, the device comprising: a handle including a trigger;a shaft extending from the handle and dimensioned for insertion into a patient's abdomen through an incision in the abdomen;an applicator section at a distal end of the shaft, the plurality of fasteners disposed within the applicator section, each of the plurality of fasteners formed as a single piece comprising a hook at one end and a loop at the other end; andfirst and second members operably coupled to the trigger whereby activation of the trigger by a user causes the first member to engage the loop of one of the fasteners carry the loop through the patient's tissue,the second member to engage the hook of that fastener, carry the hook through the tissue, and pass the hook through the loop, thereby locking the fastener into a closed loop in the tissue while the loop remains engaged by the first member, andthe first and second members to retract into the applicator section leaving the closed fastener in the tissue. 2. The devices of claim 1, wherein the shaft is dimensioned for insertion into the abdomen through a trocar placed in the incision. 3. The device of claim 2, wherein a distal tip of the first member defines a pair of prongs configured to be inserted into a recess at a distal end of the loop of the fastener. 4. The device of claim 3, wherein the pair of prongs is disposed together in the recess when inserted into the recess. 5. The device of claim 4, wherein the distal tip of the first member is configured to define an opening corresponding to the loop while the pair of prongs is held together by the recess. 6. The device of claim 5, wherein the distal tip of the first member comprises a super-elastic material that biases the pair of prongs together, and being withdrawn from the recess the pair of prongs are opened by being dragged over the second member. 7. The device of claim 6, wherein the super-elastic material comprises nickel titanium alloy. 8. The device of claim 6, wherein retraction of the first member includes removing the pair of prongs from the recess and withdrawing the distal tip of the first member by allowing the hook end of the fastener to pass through the gap between the pair of prongs. 9. The device of claim 3, wherein at least one of the first and second members comprises a flexible, pre-shaped portion that moves along a curved path. 10. The device of claim 9, wherein the flexible portion remains straight when disposed in the shaft and, upon the activation of the trigger, extends from the shaft and moves along the curved path by assuming a curved shape. 11. The device of claim 10, wherein the at least one of the first and second members moves along a straight path and the curved path. 12. The device of claim 10, wherein the first and second members are operably coupled to the trigger by first and second push rods, wherein each push rod comprises a distal end engaged with its respective member and a proximal end engaged with a slot wheel in the handle. 13. The device of claim 12, wherein the applicator section is configured to receive a cartridge loaded with the plurality of fasteners. 14. The device of claim 13, wherein the cartridge is from a set of cartridges, at least two of the cartridges in the set carrying fasteners of a different size. 15. The device of claim 14, wherein the device is configured to deliver fasteners of different sizes to different penetration depths within the patient's tissue. 16. The device of claim 10, wherein the first and second members are configured to penetrate a prosthetic mesh and the patient's tissue. 17. The device of claim 10, wherein the pair of prongs assumes a closed configuration when disposed within the recess. 18. The device of claim 17, wherein the closed configuration of the prongs defines a hoop-like structure corresponding to the loop while the pair of prongs is disposed within the recess. 19. The device of claim 18, wherein the distal tip of the first member comprises a super-elastic material that biases the pair of prongs together, and the pair of prongs spread apart from one another while being retracted due to being drawn over the fastener or second member. 20. The device of claim 19, wherein the super-elastic material is a nickel-titanium alloy. 21. The device of claim 18, wherein the distal tip of the first member comprises a material that biases the pair of prong apart from one another such that upon being withdrawn from the recess the pair of prongs springs open to define a gap between the pair of prongs. 22. The device of claim 21, wherein retraction of the first member includes removing the pair of prongs from the recess and withdrawing the distal tip of the first member by allowing the hook end of the fastener to pass through the gap between the pair of prongs.
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