A combination plunger, a mixing device and a mixing syringe including the same are provided. The mixing syringe includes concentric outer and inner barrels that form an outer chamber, the inner barrel having an inner chamber. The combination plunger includes a mixing plunger and a delivery plunger and a biasing means. The mixing plunger is slidably located in the outer chamber and translated by coordinated depression of the delivery plunger to transfer a first substance from the outer chamber to mix with a second substance in the inner chamber. After the mixing stage is complete, the delivery plunger is disengaged from the mixing plunger and permitted, such as by rotation, to be further depressed in the axial direction to deliver fluid contents of the mixing syringe to a recipient. The mixing syringe needle is then retracted as result of engagement by the delivery plunger and activation of the biasing means.

The subject matter described herein includes apparatus's and methods for storing and mixing materials such as powders and liquids. The mixing apparatus can comprise an impeller portion configured to rotate downward or upward within the main cup, wherein a movement of the impeller portion downward or upward is capable of mixing the contained set of substances, wherein the impeller portion comprises a set of propeller blades, and wherein the impeller portion is connected to a helical shaft portion comprising a first helical strand and a second helical strand wound uniformly in a parallel spiral configuration. The impeller portion facilitates a distributed mixing of the substances and the propeller blades are capable of removing deposits of the substance around the base of a main cup of the apparatus.

A vacuum mixing system for the mixing of polymethylmethacrylate bone cement comprising at least one cartridge (4) having an evacuatable internal space (5) for the mixing of the bone cement, the internal space (5) of which comprises a cylindrical swept volume, a mixing element (12) that is arranged in the internal space (5) of the cartridge (4) such as to be mobile and can be operated from outside the vacuum mixing system in order to mix the content in the internal space (5) of the cartridge (4), and a dispensing plunger (2) having a cylindrical external circumference whose first base surface borders a base surface of the internal space (5) of the cartridge (4) and which can be or is locked to the cartridge (4) in detachable manner and which, in the detached state, is mobile in the cylindrical region of the internal space (5) of the cartridge (4).

Devices and methods mix a bone cement and comprise at least one cartridge, wherein the cartridge comprises in its interior a cylindrical mixing chamber, a discharge piston movable in the cylindrical mixing chamber in the longitudinal direction and sealable against the walls of the mixing chamber, a mixing device for thoroughly mixing the content of the mixing chamber, which is arranged in the interior of the mixing chamber. The mixing device is operable externally via a mixing rod and the mixing rod is guided through a passage in the discharge piston such that it can be rotated and displaced in the longitudinal direction by the discharge piston. The cartridge comprises a discharge opening opposite the discharge piston, wherein, in the mixing chamber, a first component is contained between the discharge piston and the discharge opening, wherein a monomer fluid as a second component is introducable through the discharge opening into the mixing chamber. The device further comprises a locking element with which the mixing rod is affixable to the discharge piston such that the discharge piston is movable by means of the mixing rod in the mixing chamber in the longitudinal direction.

Device and method for intermixing a mass. The device includes a container and a mixing unit arranged on the container. The mixing unit includes at least one piston that is positioned in the container, and is movable in a linear direction and has at least one mixing element. The mixing element extends around the piston and includes an upper planar surface and an opposed lower planar surface. The mixing element further includes cone-shaped extensions extending from the lower planar surface and conically tapering in the linear direction away from the lower planar surface to an opening at an end of the cone-shaped extensions facing a bottom of the container to facilitate movement of the piston in the linear direction for intermixing the mass.

Device and method for intermixing a mass. The device includes a container and a mixing unit arranged on the container. The mixing unit includes at least one piston that is positioned in the container, and is movable in a linear direction and has at least one mixing element. The mixing element extends around the piston and includes an upper planar surface and an opposed lower planar surface. The mixing element further includes cone-shaped extensions extending from the lower planar surface and conically tapering in the linear direction away from the lower planar surface to an opening at an end of the cone-shaped extensions facing a bottom of the container to facilitate movement of the piston in the linear direction for intermixing the mass.

A manual mixer serves to facilitate mixing and agitating materials for use during surgery. For example, the manual mixer includes a body portion defining an interior area, a mixing assembly provided in the interior area of the body portion, a crank assembly for actuating the mixing assembly, and a valve assembly. The mixing assembly serves to mix and agitate the materials provided in the interior through rotation of a plunger portion and a spring attached thereto, and through upwards and downwards movement of the plunger portion in the interior area. Rotation of the crank assembly serves to rotate the plunger portion and the spring attached thereto, and effectuate upwards and downwards movement of the plunger portion. The valve assembly can be opened to facilitate dispensing of the materials from the interior area.

A mixing device is provided with rotating platform and circumferential guide for quickly and effectively stirring the contents of disposable paper and plastic cups of varying sizes without direct contact with the food beverage contents.

A portable fluid mixing vessel for containing fluid. The vessel interior includes a mixing component designed for effecting mixing of a fluid with a powdered substance. The spring loaded component is releaseably attached to the bottom of the vessel interior, and is configured to gently break apart clumps of the powder allowing the powder to go into solution without over-mixing. A turbine is attached to the spring portion, the turbine having angled blades to induce a gentle stirring motion in response to vertical reciprocation of the turbine. The gentle breakdown of the powder creates a mixture which has a texture like that of a stirred mixture, as opposed to a pureed or blended mixture.

A system for the mass production of personalized health and beauty formulations is provided that is then produced on-demand production thereof. A user selects specific personal or product attributes through an interactive selection process either online or at a retail location. An individual product recipe is then created from an interactive ingredient database, and a detailed production formulation is then enabling through an automated, on demand production cell in which ingredients are either sequentially or simultaneously dosed into an in-situ mixing container. Mixing of liquids occurs after the container is sealed and the same container provides the final user packaging. Manufacturing control, labeling, packaging and compliance traceability are all codified, tracked, traced and saved through the entire integrated selection and production system.