An interspinous stabilization device configured to fit interlaminarly between adjacent vertebrae and their spinous processes, while also cooperating with a bone graft, or bone substitute, component to facilitate fusion at that segment of the spine is disclosed. Also provided is a method for using such a device and bone graft, or bone substitute, component to stabilize a spinal segment.

An implantable device may include a barrel, the barrel having an upper portion and a lower portion. The implantable device may further include an actuator assembly disposed in the barrel, and a central screw that extends from a rear ramped actuator through a front ramped actuator. The implantable device may further include a first plate having multiple projections extending from one side of the first plate. The implantable device may further include a second plate having multiple projections extending from one side of the second plate, the second plate configured to be received on the central screw. The barrel may be configured to transition from a collapsed form having a first height to an expanded form having a second height and wherein the second height is greater than the first height.

An implant delivery system can be configured to deliver an inflatable implant into a bladder via a urethra. The delivery system can comprise an elongate tubular body, an inflation tube and an implant decoupler. The tubular body can comprise a central lumen configured to hold an inflatable implant in an initial un-inflated state for delivery of the implant into the bladder. A method of use can include passing a distal tip of the elongate tubular body into the bladder. The implant can be inflated and released into the bladder.

The disclosure relates to devices and methods for implantation of an orthopedic device between skeletal segments using limited surgical dissection. The implanted devices are used to adjust and maintain the spatial relationship(s) of adjacent bones. Depending on the implant design, the motion between the skeletal segments may be increased, limited, modified, or completely immobilized.

An implantable spacer for placement between adjacent spinous processes in a spinal motion segment is provided. The spacer includes a body defining a longitudinal axis and passageway. A first arm and a second arm are connected to the body. Each arm has a pair of extensions and a saddle defining a U-shaped configuration for seating a spinous process therein. Each arm has a proximal earning surface and is capable of rotation with respect to the body. An actuator assembly is disposed inside the passageway and connected to the body. When advanced, a threaded shaft of the actuator assembly contacts the earning surfaces of arms to rotate them from an undeployed configuration to a deployed configuration. In the deployed configuration, the distracted adjacent spinous processes are seated in the U-shaped portion of the arms.

An interspinous process device includes a first plate, a second plate, and a transverse member between the first plate and the second plate, wherein the second plate is adjustably coupled to the transverse member. A post is coupled to the transverse member and a spring mechanism is disposed between the post and the first plate. The spring mechanism is configured to provide a preloaded compression force to the first and second plates. Methods of implanting the interspinous process device using an inserter tool are also disclosed.

Methods for anterior fusion and posterior fusion spinal procedures are disclosed. The spinal procedure may be a minimally invasive procedure. An incision may be made on a back of a patient to provide percutaneous lateral access to a spine of the patient. The access point of Kambin's triangle may be used to reach an intervertebral disc space. Through the incision and with an anterior trajectory, an interbody cage may be inserted into the intervertebral disc space. Thereafter, through the same incision and with a posterior trajectory, a spinal fusion implant may be inserted into an interspinous process space or an interlaminar space. The procedure may be performed through a single incision. The same surgical instrumentation may be used for both the anterior fusion and the posterior fusion procedures.

A spinal implant is provided. The spinal implant includes a body extending between a proximal end and a distal end. The proximal end defines a notch configured for disposal of a first vertebra. The distal end includes a protrusion configured for disposal in a second vertebra. The proximal and distal ends are movable relative to one another between an unexpanded position in which the spinal implant is inserted between lamina and an expanded position in which the spinal implant is disposed between the lamina.

A spacer and implant assembly are disclosed, the spacer including an outer balloon that is folded so as to be dilatable, and an inner balloon that is folded so as to be dilatable, and that is removably inserted into the outer balloon. The inner balloon dilates in response to introduction of a dilating fluid having a lower viscosity than a viscosity of a filling material inserted into the outer balloon, and the outer balloon dilates in response to the dilation of the inner balloon.

Medical devices in accordance with various embodiments of the present invention employ one or more coaxial screw gear sleeve mechanisms. In various embodiments, coaxial screw gear sleeve mechanisms include a post with a threaded exterior surface and a corresponding sleeve configured to surround the post, the corresponding sleeve having a threaded interior surface configured to interface with the threaded exterior surface of the post and a geared exterior surface. A drive mechanism can be configured to interface with the geared exterior surface of the sleeve, causing the device to expand.