Abstract: A modular pedicle screw assembly for immobilisation and stabilisation of spinal segments in a patient. One example of the modular pedicle screw assembly includes a bone screw, a uniaxial inner collet arranged to cooperate with a head of the bone screw, a seat arranged to provide seating for retention of the inner collet, and an inner collet actuator designed to engage the seat to activate the inner collet for clamping about the head of the bone screw.

Abstract: A modular pedicle screw assembly for immobilisation and stabilisation of spinal segments in a patient. One example of the modular pedicle screw assembly includes a bone screw, a uniaxial inner collet arranged to cooperate with a head of the bone screw, a seat arranged to provide seating for retention of the inner collet, and an inner collet actuator designed to engage the seat to activate the inner collet for clamping about the head of the bone screw.

Abstract: The present invention is broadly directed to a modular pedicle screw assembly 10 for immobilisation and stabilisation of spinal segments in a patient (not shown). The modular pedicle screw assembly 10 generally comprises a bone screw 12, a uniaxial inner collet 14 arranged to cooperate with a head 16 of the bone screw 12, a seat 18 arranged to provide seating for retention of the inner collet 14, and an inner collet actuator 20 designed to engage the seat 18 to activate the inner collet 14 for clamping about the head 16 of the bone screw 12.

Abstract: Movement-free quick detach latches. The latches include a monolithic body, a button, a spring, and ball-bearings configured to reduce or eliminate movement when attaching or removing the latch from a rifle, eliminate moving parts that may fail in use, remove the interfacing of a bail with the button, and lower the profile of the latch with the rifle.

Abstract: A magazine loader for loading cartridges into a magazine is provided. The magazine loader may include a base member configured for positioning on an open end of the magazine, a first cartridge support member extending from the base member, and a second cartridge support member extending from the base member. The first cartridge support member may include a first slot configured for receiving a base end of each of the cartridges. The second cartridge support member may include a second slot configured for receiving a tip end of each of the cartridges. A related system for loading and storing cartridges for a firearm also is provided.

Abstract: A magazine loader for loading cartridges into a magazine is provided. The magazine loader may include a base member configured for positioning on an open end of the magazine, a first cartridge support member extending from the base member, and a second cartridge support member extending from the base member. The first cartridge support member may include a first slot configured for receiving a base end of each of the cartridges. The second cartridge support member may include a second slot configured for receiving a tip end of each of the cartridges. A related system for loading and storing cartridges for a firearm also is provided.

Abstract: Methods and systems for providing a firearm sighting optic, including a body having a first lens at a first end and a second lens at a second end, and a reticle associated therewith and a level device integral to the body and providing a visual indication of a rotation of the firearm sighting optic with reference to a predetermined plane, wherein the indication is presented in association with the reticle.

Abstract: Disclosed herein is a device for driving a post into the ground that has: a mounting assembly for mounting the device onto a support vehicle; a mast assembly connected to the mounting assembly and a driving assembly slidably connected to the mast to slide axially thereon. The driving assembly has a vibrator and a support cup operatively connected to the vibrator that is capable of receiving an end of the post. The device drives a post into the ground by the application of vibratory and constant downward force onto the post. This invention also discloses a method of driving a post into the ground. The device of this invention is robust, sturdy and easy to use and repair.