The invention generally relates to devices for fastening a hernia mesh. The invention provides a surgical fastening device that includes a shaft with a fastener carrier disposed at least partially within the shaft, in which the carrier is configured to accept fasteners of a plurality of different si
The invention generally relates to devices for fastening a hernia mesh. The invention provides a surgical fastening device that includes a shaft with a fastener carrier disposed at least partially within the shaft, in which the carrier is configured to accept fasteners of a plurality of different sizes. Different sized fasteners can be preloaded in interchangeable carriers or even mixed together within a carrier in the fastening device. The device can deliver the fasteners to different depths in a patient's tissue.
대표청구항▼
1. A device for delivering a plurality of pre-formed clips, one at a time, into tissue of a patient, the device comprising: a handle including a trigger;an elongated cylindrical shaft extending distally from the handle along a longitudinal axis, the shaft being longer along the longitudinal axis tha
1. A device for delivering a plurality of pre-formed clips, one at a time, into tissue of a patient, the device comprising: a handle including a trigger;an elongated cylindrical shaft extending distally from the handle along a longitudinal axis, the shaft being longer along the longitudinal axis than the handle and configured to be passed through a trocar in a surgical incision and into an abdomen of the patient;an applicator section having a plurality of pre-formed clips of differing sizes disposed therein, each of the plurality of clips formed as a single piece with two terminating ends, one of the two terminating ends of each of the clips including a hook and the other one of the two terminating ends of each of the clips including a loop; andfirst and second elongated members disposed within the applicator section, aligned parallel to the longitudinal axis, independently translatable along the longitudinal axis, and movable out of and into the applicator section to deliver, one at a time and to differing penetration depths, at least a portion of each of the clips out of a distal tip of the applicator section, through a hernia mesh, and into the patient's tissue upon activation of the trigger by an operator of the device when the elongated shaft is inserted through the trocar and into the abdomen,the first member configured to engage the hook of a first clip, extend along a straight path parallel to the longitudinal axis to penetrate the patient's tissue, and carry the hook through the patient's tissue when the first member is moved from within the applicator section to out of the applicator section,the second member comprising a flexible, pre-shaped portion and configured to engage the loop of the first clip, extend along a straight path parallel to the longitudinal axis and along a curved path to penetrate the patient's tissue, and carry the loop through the patient's tissue when the second member is moved from within the applicator section to out of the applicator section,the first and second members configured to fasten the hook to the loop within the patient's tissue when the first and second members are fully extended out of the applicator section, thereby to fasten the plurality of pre-formed clips at differing depths,the first and second members also configured to leave the fastened clip within the patient's tissue and to engage the hook and the loop of another one of the plurality of pre-formed clips when the first and second members are retracted back into the applicator section, wherein the device is configured to deliver the pre-formed clips of different sizes to different penetration depths within the patient's tissue. 2. The device of claim 1, wherein the first and second members are configured to penetrate a prosthetic mesh and the patient's tissue. 3. The device of claim 2, further comprising a first push rod that comprises the first member at a distal end of the first push rod, and a second push rod that comprises the second member at a distal end of the second push rod. 4. The device of claim 1, wherein the device further comprises an articulation joint disposed between the shaft and the applicator section, the articulation joint allowing movement of the applicator section off of the longitudinal axis. 5. The device of claim 1, wherein the applicator section is configured to receive a cartridge loaded with the plurality of pre-formed clips. 6. The device of claim 5, wherein the cartridge is from a set of cartridges, at least two of the cartridges in the set carrying clips of a different size. 7. The device of claim 1, wherein each of the hooks is tapered. 8. The device of claim 7, wherein each of the loops comprises an aperture comprising a wide section and a narrow section, the narrow section being distal to the wide section and having a width such that the narrow section retains the terminating end comprising the hook. 9. A device for fastening a mesh over a hernia, the device comprising: a handle comprising a trigger;an elongated cylindrical shaft extending distally from the handle along a longitudinal axis, the shaft being longer along the longitudinal axis than the handle and dimensioned and configured to be passed through a trocar in a surgical incision and into an abdomen of a patient;a fastener carrier operably connected to the shaft;first and second elongated insertion needles aligned parallel to the longitudinal axis and extending through at least a portion of the shaft, the second elongated insertion needle comprising a flexible, pre-shaped portion; anda first pre-formed fastener loaded within the fastener carrier, the first pre-formed fastener formed as a first single piece with a first hook end and a first loop end; anda second pre-formed fastener loaded within the fastener carrier, the second pre-formed fastener formed as a second single piece with a second hook end and a second loop end, the first pre-formed fastener and the second pre-formed fastener being of different sizes, andwherein when the carrier is inserted through the trocar and into the abdomen and positioned at tissue and the trigger is squeezedthe first and second insertion needles translate independently of each other,the second insertion needle travels a distance from the shaft in a line and assumes a curved conformation a distance away from a terminus of the shaft, pushing the first loop end of the first pre-formed fastener through the tissue, andthe first insertion needle travels a distance from the shaft in a line parallel to the longitudinal axis, pushing the first hook end of the first pre-formed fastener through the tissue and bringing the first hook end into contact with the first loop end,wherein the insertion needles thereby: push the first hook end and the first loop end of the first pre-formed fastener out of a distal tip of the elongated shaft and through the tissue to a delivery depth corresponding to a physical dimension of the first pre-formed fastener,form the first pre-formed fastener into a closed loop beneath the tissue,release from the closed-loop fastener, andengage the second pre-formed fastener for delivery. 10. The device of claim 9, wherein the second pre-formed fastener has a second dimension and second delivery depth that varies from the physical dimension and the delivery depth of the first pre-formed fastener. 11. The device of claim 9, wherein the fastener carrier is loaded with long, medium, and short fasteners. 12. The device of claim 9, wherein the delivery depth of the first pre-formed fastener is represented by a dimension of the first pre-formed fastener and a delivery depth of the second pre-formed fastener is represented by a dimension of the second pre-formed fastener. 13. The device of claim 9, wherein the device further comprises an articulation joint that allows movement of the fastener carrier off of an axis of the shaft.
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