Instruments and methods facilitate reconstruction, repair, and the closure of apertures in soft tissues, including the anulus fibrosus (AF), heart, lung, abdomen, thorax, vascular structures and other organs. Flexible longitudinal fixation components (i.e., sutures) are positioned across apertures i
Instruments and methods facilitate reconstruction, repair, and the closure of apertures in soft tissues, including the anulus fibrosus (AF), heart, lung, abdomen, thorax, vascular structures and other organs. Flexible longitudinal fixation components (i.e., sutures) are positioned across apertures in soft tissues, preferably to closes the inlets and/or outlets of such apertures. Tension on the flexible longitudinal fixation components may be used to narrow or close the apertures. Knotless fixation technologies such as suture welding are preferably used to fasten the ends of the flexible longitudinal fixation components. Certain embodiments include an intra-aperture component dimensioned for positioning within a defect in the AF, with one or more components being used to maintain the intra-aperture component in position. For example, the flexible longitudinal fixation component(s) may be anchored to one of the upper and lower vertebral bodies.
대표청구항▼
1. Apparatus for repairing a void or defect in soft tissue having an outer surface and an inner surface, the apparatus comprising: an elongated insertion instrument comprising a shaft having a proximal end and a distal end, wherein the distal end of the shaft is aligned with the proximal end of the
1. Apparatus for repairing a void or defect in soft tissue having an outer surface and an inner surface, the apparatus comprising: an elongated insertion instrument comprising a shaft having a proximal end and a distal end, wherein the distal end of the shaft is aligned with the proximal end of the shaft;a resilient needle comprising a first end and a second end, wherein the resilient needle naturally assumes a first configuration in which the second end of the needle is not aligned with the first end of the needle but may be manipulated into a second configuration in which the second end of the needle is aligned with the first end of the needle, the first end of the needle being releasably mounted to the distal end of the elongated insertion instrument;wherein the elongated insertion instrument comprises a sleeve for holding the resilient needle in its second configuration; anda flexible longitudinal fixation component temporarily or permanently coupled to the needle;whereby the sleeve may be positioned over the needle so as to hold the needle in its second configuration and so that the second end of the needle resides within the perimeter of the elongated insertion instrument, the distal end of the elongated insertion instrument may thereafter be inserted through the void or defect in the soft tissue, the sleeve may thereafter be withdrawn so that the needle springs into its first configuration, with the second end of the needle being disposed outside the perimeter of the elongated insertion instrument and with the second end of the needle being directed towards the inner surface of the soft tissue, the distal end of the elongated insertion instrument may thereafter be moved proximally so as to pull the needle through the soft tissue, and the first end of the needle may thereafter be released from the elongated insertion instrument so as to close or repair the void or defect with the flexible longitudinal fixation component. 2. The apparatus of claim 1, wherein the flexible longitudinal fixation component is suture material. 3. The apparatus of claim 1, wherein the flexible longitudinal fixation component is temporarily coupled through an eyelet or slot in the needle. 4. The apparatus of claim 1, wherein: the flexible longitudinal fixation component is configured to pass through, or be attached to, an anulus fibrosis (AF) to be repaired or fortified; and the elongated insertion instrument enables the ends of the flexible longitudinal fixation component to be connected outside of an intervertebral disc space. 5. The apparatus of claim 1, wherein the elongated insertion instrument includes a distal end that is configured to temporarily enter into an intervertebral disc space to pass the flexible longitudinal fixation component through an anulus fibrosis (AF) to be repaired or fortified. 6. Intervertebral disc treatment apparatus, the apparatus comprising: a placement instrument comprising a shaft having a proximal end and a distal end, wherein the distal end of the shaft is aligned with the proximal end of the shaft;a flexible longitudinal fixation component temporarily or permanently coupled to the proximal end of a resilient needle, the resilient needle comprising a first end and a second end having a pointed tip, wherein the resilient needle naturally assumes a first configuration in which the second end of the needle is not aligned with the first end of the needle but may be manipulated into a second configuration in which the second end of the needle is aligned with the first end of the needle, the first end of the needle being releasably mounted to the distal end of the placement instrument; andwherein the placement instrument comprises a sleeve for holding the resilient needle in its second configuration;whereby the sleeve may be positioned over the needle so as to hold the needle in its second configuration and so that the second end of the needle resides within the perimeter of the placement instrument, the distal end of the placement instrument may thereafter be inserted into an aperture in an anulus fibrosis (AF) having inner and outer walls, the sleeve may thereafter be withdrawn so that the needle springs into its first configuration, with the second end of the needle being disposed outside the perimeter of the placement instrument and with the second end of the needle being directed towards the inner wall of the AF, the distal end of the placement tool may thereafter be moved proximally so as that the needle pierces the inner wall of the AF, enabling the flexible longitudinal fixation component to be pulled through the AF from the inside out, and the first end of the needle may thereafter be released from the placement instrument. 7. The intervertebral disc treatment apparatus of claim 6, wherein the distal end of the placement instrument includes a generally diagonal hole or slot for releasably mounting the first end of the needle to the distal end of the placement instrument. 8. The intervertebral disc treatment apparatus of claim 6, further including a tool for pulling the pointed tip of the needle through the AF.
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이 특허에 인용된 특허 (207)
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