73results about How to "Intended for use" patented technology

Bone screw assemblies include longitudinal connecting members that provide for dynamic stabilization, some including non-uniform portions that are configured to flex, contract or expand. Composite longitudinal connecting members include longitudinal segments made from different materials having different flexibilities. Polyaxial bone screw assemblies include change-out receivers for cooperating with replacement longitudinal connecting members having a different flexibility. Bone screw shanks for cooperating with one or more open receivers include treatment or coating to provide biologically active interface with bone.

A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having an elongate core that includes the following integral features: a stop plate; a slitted segment; and a threaded segment or a second stop plate. The assembly may further includes a spacer and a nut. The spacer surrounds the slitted segment and the nut is rotatingly mated with the threaded segment. The nut abuts and compresses the spacer against the stop plate and places distractive tension on the slitted segment. Alternative embodiments include a molded spacer cooperating with a neutral, tensioned or bent slitted segment and in some embodiments cooperating with a cable or elastic band.

A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having an inner elastic molded core and an outer spacer, the core and spacer being disposed between a pair of solid substantially rigid end portions. The assembly may further include a washer and a nut with the inner core or core portion being pre-tensioned. Alternatively, the outer spacer is molded over the inner elastic core, the core being in a neutral, compressed, tensioned or bent orientation during over molding of the spacer.

A patient support apparatus for supporting a patient in a prone position during a surgical procedure includes a patient support structure incorporating an open fixed frame suspended above a floor and a pair of spaced opposed radially sliding joints cooperating with the frame, each joint including a virtual pivot point and an arc of motion spaced from the pivot point, the joints being movable along the arc providing a pivot-shift mechanism for a pair of pelvic pads attached to the joints. A base supports and suspends the patient support structure above the floor, for supporting a patient during a surgical procedure, the base including a pair of spaced opposed vertical translation subassemblies reversibly attachable to the support structure, a cross-bar, and a rotation subassembly having two degrees of rotational freedom; wherein a location of each vertical translation subassembly is substantially constant during operation of the patient support structure.

A polyaxial bone screw assembly includes a threaded shank body having an integral upper portion receivable in an integral receiver, the receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity cooperating with a lower opening. A down-loadable compression insert with tool receiving arm extensions, a down-loadable friction fit split retaining ring and an up-loadable shank upper portion cooperate to provide for pop- or snap-on assembly of the shank with the receiver either prior to or after implantation of the shank into a vertebra. The shank and receiver once assembled cannot be disassembled.

A polyaxial bone screw assembly includes a threaded shank body having an integral upper portion receivable in an integral receiver, the receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity cooperating with a lower opening. A friction fit compression insert (some with lock and release feature), a planar split retaining ring and a shank upper portion cooperate to provide for pop- or snap-on assembly of the shank with the receiver either prior to or after implantation of the shank into a vertebra. The shank and receiver once assembled cannot be disassembled and the receiver and insert may include aligned tool receiving apertures for lock and release of the polyaxial mechanism.

A patient support apparatus for supporting a patient in a prone position during a surgical procedure is provided, including an open fixed frame suspended above a floor and a pair of spaced opposed radially sliding joints cooperating with the frame, each joint including a virtual pivot point and an arc of motion spaced from the virtual pivot point, the joints being movable along the arc providing a pivot ship mechanism for a pair of pelvic pads attached to the joints. A base for supporting and suspending a patient support structure above the floor, for supporting a patient during a surgical procedure, the base including a pair of spaced opposed vertical translation subassemblies reversibly attachable to a patient support structure, a cross-bar, and a rotation subassembly having two degrees of rotational freedom; wherein a location of each vertical translation subassembly is substantially constant during operation of the patient support structure.

A dynamic fixation medical implant having at least two bone anchors includes a longitudinal connecting member assembly having rigid sleeves for attachment to the bone anchors, at least one spacer engaging the bone anchors and the sleeves, and in some embodiments, an end elastic bumper. A flexible cord is initially slidingly received within the rigid sleeves, the spacer and the bumper. The spacer may include an optional inelastic inner liner, with at least one of the sleeves having an extension slidingly receivable within the liner. Some sleeves include apertures for receiving a closure top portion for locking the cord against the sleeve, or alternatively receiving a closure top that does not extend into the aperture, the slip or grip option provided by the aperture in each sleeve resulting in an overall connector with variable segmental stiffness.

A dynamic fixation medical implant having at least two bone anchors includes a dynamic longitudinal connecting member assembly having the following features: a pair of elongate bone anchor engagement segments, a floating inner core disposed in apertures of both anchor segments, at least one compression spacer surrounding the core and located between the anchor segments and in some embodiments an over-mold surrounding the compression spacer and at least a portion of one of the anchor segments. The implant may further include a tubed sleeve surrounding the core and located between the anchor segments.

A dynamic stabilization assembly includes a core, typically in the form of a tensioned cord, at least one pair of bone anchors, a spacer surrounding the core located between the bone anchors, at least one elastic bumper and at least one fixing or blocking member. The core is slidable with respect to at least one of the bone anchors, the spacer and the bumper. The bumper is compressed. Bone screws of the assembly include closure structures that lock against the bone screw independent of any fixing or sliding of the core with respect to the bone screw.

This invention provides compositions and methods for stabilizing a live attenuated virus in dried formulations. In particular, compositions and methods of preparing a dried vaccine are provided that stabilize the viability of live vaccines such as measles and adenovirus at room temperature.

A soft dynamic stabilization assembly includes a core, typically in the form of a tensioned cord, at least one pair of bone anchors, a spacer surrounding the core located between the bone anchors, typically, at least one elastic bumper and at least one fixing or blocking member. The core is slidable with respect to at least one of the bone anchors and cooperating spacer.

A putter for use in the game of golf including a first elongated shaft having a first and a second end, a second elongated shaft having a first end telescopically received within the second end of the first elongated shaft, a putter head fixedly secured to a second end of the second elongated shaft and a securing mechanism for fixing an axial and rotational position of the second elongated shaft with respect to the first elongated shaft. Additionally, the first end of the first elongated includes a mechanism for stabilizing the first elongated shaft with respect to the body of the user. Particularly, the stabilizer is received under an arm of the user and is capable of supporting the weight of the user should the user require assistance in walking or utilizing the putter. The putter may include a first elongated shaft in the form of a conventional putter which is received within a second shaft in the form of an upper portion of a quad cane. Accordingly, the present invention may be readily adaptable to any manufacturer's putter to suit the user. Additionally, the upper portion of the quad cane includes a set screw which is threadingly received in the elongated shaft and frictionally engages the shaft of the putter in order to secure both the axial as the rotational positioning of the shaft.

A tool system is presented. The tool system includes a tool body sized and dimensioned to fit comfortably in a human hand, and includes a plurality of interchangeable tool cartridges. Some of the tool cartridges include a tool bit cover capable of remaining in a closed, locked position sheathing a tool bit. Once installed, the tool bit cover can be unlocked via actuation of a trigger disposed on the body of the tool or on the cartridge. Preferably, the tool bit cover unsheathes the underlying tool bit due to pressure or force of a work surface.

In first and second display devices that are provided in a pair on the left and right sides, image light and external light are superimposed on each other and viewed. In this case, a parallax of an angle (the value of angle) is set by a frame unit functioning as a parallax setting unit tilting principal rays of left and right image light inwardly, and the angle of convergence of an observer is in an appropriate state in the case of viewing the image light.

A polyaxial bone screw assembly includes a threaded shank body having an integral upper portion receivable in a receiver, the receiver having an upper channel for receiving a longitudinal connecting member and a lower cavity cooperating with a lower opening. A retaining member for capturing the shank in the receiver includes a sloping surface for a frictional, press fit, cammed engagement with the shank. A compression insert having a resilient structure provides non-floppy positioning of the shank with respect to the receiver and also independent locking of the shank with respect to the receiver.

A spinal implant having at least two bone anchors includes a longitudinal connecting member assembly having hard, non-elastic sleeves for attachment to the bone anchors, at least one spacer located between the bone anchors, and in some embodiments, an end elastic bumper and cord blocker. A cord is received within the rigid sleeves, the spacer and the bumper, the cord being in fixed or sliding relationship with cooperating sleeves. The sleeves include portions for direct engagement with bone screw inserts and closure tops and may include a channel for receiving a projected portion of a spacer.

An inspection technique capable of observing a magnetic domain configuration which is formed on a magnetic specimen surface with a higher resolution and at a higher speed as never before. The inspection technique includes an SPLEEM observation unit including a spin polarized electron source, an irradiation optics that projects a spin polarized electron beam that is emitted from the spin polarized electron source to a magnetic specimen having a magnetic domain structure, a stage on which the magnetic specimen is mounted, an imaging optics that focuses and detects the electron beam that is reflected from the magnetic specimen; and cleaning means for cleaning the surface of the magnetic specimen to transfer the magnetic specimen to the SPLEEM observation unit, wherein the magnetic domain structure of the magnetic specimen surface is inspected on the basis of the reflected electron beam.

This inventive wireless communication system comprises a plurality of wireless communication devices (101) each including a radiating oscillator (1), a baseband signal generating unit (4) and a reception signal detecting unit (7). In this wireless communication network system, the wireless communication devices are arranged to face each other at a location where a pull-in phenomenon is caused, a signal transmitted from one of the wireless communication devices is an oscillation signal of the radiating oscillator (1) of the one of the wireless communication devices, the frequency of the oscillation signal varies with the baseband signal, the variation in the frequency is transmitted to the other ones of the facing wireless communication devices (102) by the pull-in phenomenon, the oscillation frequencies of the radiating oscillators (2, 3) of the other ones of the facing wireless communication devices (102) also vary, and the other ones of the facing wireless communication devices (102) extract the variation by receiving the variation in the frequency through the reception signal detecting units (8). As a result, the present invention can provide a less expensive wireless network system which comprises wireless communication devices having respectively a very simple structure, consumes less electric power and can secure high-quality signal transmission.