Patent classifications
A61B17/844
Method and system for storing and inserting an implant
An implant storage and insertion system for a shape memory orthopedic implant allows the implant to be constrained in a deformed state, protected, insulated, held for insertion, and properly positioned in bone. The implant storage and insertion system includes a restraining block having an impact surface. The restraining block engages an implant at a first end, and further a medical instrument engages the restraining block and positions the restraining block at a bone such that the impact surface may be impacted to insert a second end of the implant into the bone.
Spinal Interbody Cage Implant With Flexible Barbs
A spinal interbody cage implant includes a cage, an endplate, and flexible barbs. The endplate is separately attached to the cage and is configured to receive, hold and direct a flexible barb into an upper vertebral surface and a flexible barb into a lower adjacent vertebral surface. Each proximal leg of the cage is configured to receive the endplate, and has a lateral bore that receives a pin which retains the endplate. The endplate directs a first flexible barb upwardly toward an upper vertebral surface, and directs a second flexible barb downwardly toward a lower vertebral surface. Each flexible barb has a proximal head, a shaft extending from the head with a bore extending from the head to its distal end. Teeth are provided along the exterior surface of the shaft with two flats disposed on opposite sides thereof with a slit extending from the distal end towards the head.
DISTRACTION SCREW
A distraction screw includes a proximal portion secured to a first vertebra, a distal portion secured to a second vertebra and an intermediate portion. The intermediate portion is coupled to the proximal and distal portions and is positioned in an intervertebral space. The intermediate portion is configured and adapted to enable distraction of the first vertebra relative to the second vertebra.
Osseous anchoring implant with optimized expansion
An osseous anchoring implant with optimized expansion, having a tubular body and a rod whose external profile of the rod and internal profile of the tubular body are complementary. The implant being expandable between a rest configuration in which an abutment mechanism interlocks the tubular body and the rod thanks to the reversal of their two respective screw pitches, so that they provide in an expanded configuration radially: a proximal bearing point, a distal bearing point, a “central” bearing point located between these two bearing points, formed by the cooperation between the outer diameter of the rod and the inner diameter of the tubular body which induce an outer diameter of the tubular body at the “central” level greater than the outer diameter of the tubular body at the proximal bearing point.
Osseous anchoring implant with cortical stabilization
An osseous anchoring implant with cortical stabilization. The implant having: an expandable sleeve having a first threading inside and a second threading outside, a screw having an external profile complementary to the internal profile of said expandable sleeve and an external threading with a reverse screw pitch of the second threading, The implant switching from a folded rest position to a deployed position by the actuation of said reversed threading, causing the penetration of the screw into the expandable sleeve and generating the radial expansion of the expandable sleeve by deformation on a distal portion. In the deployed position, the expandable sleeve has a frustoconical shape. The proximal portion of the screw includes an outer osseous anchoring threading and a frustoconical portion whose flaring is reversed relative to that of the expandable sleeve in the deployed position.
Osseous anchoring implant with facilitated extraction
An osseous anchoring implant with facilitated extraction having: an expandable sleeve extending between a proximal portion, and a distal portion, defining a longitudinal axis, a screw extending between a proximal portion and a distal portion on an axis collinear with the axis, having an external profile complementary to the internal profile of said expandable sleeve, the screw comprising at least one distance marker to visualize the moment when the screwing of the screw in the expandable sleeve must be carried out in the opposite direction to the screwing of the expandable sleeve. The implant switches from a folded rest position to a deployed position by the penetration of the screw in the expandable sleeve. The distal portion including self-tapping notches. The distal portion includes a self-milling head.
Pedicle-based intradiscal fixation devices and methods
Pedicle-based intradiscal fixation devices, systems, instruments, and methods thereof. The implant or a portion thereof may be composed of a shape-memory material, which has a curved shape-memory orientation and a temporarily straight orientation. The implant may be configured to be inserted into a pedicle of an inferior vertebra, through the vertebral body of the inferior vertebra, and into the vertebral body of the superior vertebra to thereby stabilize the inferior and superior vertebrae.
Devices and methods for cervical lateral fixation
Devices and methods are provided for treatment of the cervical spine. The devices and methods allow for treatment to be delivered from a lateral or posterior-lateral location of a subject, proximate to the cervical region of the spine. One exemplary embodiment of a spinal implant includes an elongate cage member and a plate member appended to a proximal end of the cage member. The plate member can be oriented in a manner such that it is asymmetric with respect to a long axis of the cage member. In another exemplary embodiment, an implant includes a cage member having a distal end that has an asymmetrical, bulleted shape such that the distal end is biased towards a superior or cranial direction. In a third exemplary embodiment, an implant includes a spinal fixation element and at least two mounting eyelets formed thereon. Exemplary methods related to implanting spinal implants from a lateral or posterior-lateral location are also provided.
Instrument for inserting an interspinous process implant
An insertion device for deploying an implant includes an elongated main body having a distal locking portion for coupling to the implant and a proximal handle portion. The main body defines a central passage and the distal locking portion has outer ridges and slots to allow the outer ridges to flex radially inward when mounting to the implant. A plunger slides in the central passage for movement between an unlocked position for mounting the implant on the distal locking portion, a locked position for locking the implant on the distal locking portion, and an insertion instrument deployed position for deploying the actuation plunger to move the blades from the stowed position to the deployed position. A spike cap drive rotatably mounts on the main body having a socket end for engaging a drive nut on the implant to, in turn, move the spike cap.
Stabilization system, implant, and methods for preventing relative motion between sections of tissue
A stabilization system and implant for preventing relative motion between tissue sections of a patient, for example, an ilium and a sacrum defining a sacroiliac joint. The stabilization system comprises an implant comprising an elongate trunk, a proximal anchor configured to be positioned within the ilium, and a distal anchor configured to be positioned within the sacrum. The proximal anchor comprises a deformable feature configured to engage the ilium and the distal anchor comprises an expandable member configured to engage the sacrum. The stabilization system further comprises a tool removably coupled to the anchor to insert the implant in the patient and selectively engage the anchors with the respective bones. The implant is configured to be implanted through a minimally invasive incision.