B01F23/57

Mixing device with operating element and pressure pump for mixing polymethylmethacrylate bone cement
10016228 · 2018-07-10 · ·

The invention relates to a mixing device for mixing PMMA bone cement from a monomer liquid and a cement powder, the mixing device comprising at least one cartridge having an evacuable interior for mixing of the bone cement, a mixing device for mixing the content in the interior of the at least one cartridge, which is arranged movably in the interior, a receptacle for receiving a separate container containing the monomer liquid or comprising an integrated container containing the monomer liquid, an opening device, which is arranged in the region of the receptacle in a manner movable relative to the receptacle so that, by moving the opening device, a separate container arranged in the receptacle is openable by means of the opening device, or the opening device is arranged in the region of the integrated container in a manner movable relative to the integrated container so that, by moving the opening device, the integrated container is openable by means of the opening device, a pressure pump, in which a movable plunger for conveying a liquid is arranged and delimits a pump chamber of the pressure pump and a connection line, which connects the interior of the at least one cartridge to the pump chamber of the pressure pump, wherein the mixing device comprises an operating element that is operatable from outside, wherein the plunger in the pressure pump is movable manually by means of the operating element, and wherein the opening device is to be moved relative to the receptacle or relative to the integrated container by means of the same operating element, and the mixing device in the interior of the cartridge is movable by means of the same operating element in order to mix the content in the interior of the cartridge.

APPARATUS FOR DISPENSING A PREDEFINED DOSAGE FORM
20180185243 · 2018-07-05 ·

An automatic apparatus for dispensing a predefined dosage form, comprising a housing and a pressable means coupled to said housing for activating said apparatus, said housing comprising: a chamber for accommodating a gel based carrier, an inlet for receiving a pharmaceutical composition, a mixing means interconnected with said chamber, motor means for operating said mixing means; and an outlet for dispensing said predefined dosage form. The pharmaceutical composition admixed with said gel based carrier by said mixing means forming and administrating a homogeneous mixture of a predefined dosage form by a single press action on said pressable means.

Container for accommodating high-viscosity materials

A container for accommodating high-viscosity materials, such as liquid concrete. The container has at least one bearing sleeve, which extends through a wall opening and is fastened in the container wall in a liquid-tight manner. A shaft extends through the bearing sleeve in such a way that an annular gap is left open. A shaft seal, which bridges the annular gap and is made of elastomeric material, is located at the container-interior end of the bearing sleeve. A lubricant is applied to the annular gap from the container exterior. The invention is characterized in that the shaft seal has, on the side thereof radially facing the shaft, a conveying thread that supports the conveying of the lubricant in the direction of the container interior, which conveying thread advantageously communicates with the container interior via a check valve open to the container interior.

READY-TO-USE MONOMER-FREE ACRYLIC BONE CEMENT WITH ACCELERATED IN-SITE CURING PROPERTIES
20240366830 · 2024-11-07 · ·

The present invention relates to a medical grade bone cement having at least two mixable components, the bone cement comprising: a first component comprising at least 20% by weight of a first polymer material in which at least 40% of the functional groups are methacrylates; and a second component comprising at least one initiator selected to cause cross-linking of said first polymer material, wherein a balance of said second component comprises at least 40% by weight of a second polymer material that does not react with said initiator; said second component being a paste.

READY-TO-USE MONOMER-FREE ACRYLIC BONE CEMENT WITH ACCELERATED IN-SITE CURING PROPERTIES
20240366830 · 2024-11-07 · ·

The present invention relates to a medical grade bone cement having at least two mixable components, the bone cement comprising: a first component comprising at least 20% by weight of a first polymer material in which at least 40% of the functional groups are methacrylates; and a second component comprising at least one initiator selected to cause cross-linking of said first polymer material, wherein a balance of said second component comprises at least 40% by weight of a second polymer material that does not react with said initiator; said second component being a paste.

Mixer, method of mixing raw material for powder metallurgy binder for injection moulding composition
09908261 · 2018-03-06 · ·

A mixer for ceramic feedstock pellets with a tank, a mixing shaft, and a heat exchanger including a cooler for the cooling of the content of this tank is provided. A controller controls the heat exchanger which includes a heater arranged to heat the content of this tank to a temperature comprised between a lower temperature (TINF) and a higher temperature (TSUP) stored in a memory for a specific mixture, and the heater exchanges energy with a heat exchange and mixing temperature maintenance circuit, external to this tank, and wherein the thermal inertia of this circuit is higher than that of this fully loaded tank. The invention also concerns a method for mixing raw material for powder metallurgy, implementing a specific injection molding composition and a specific binder.

High Shear Thin Film Machine For Dispersion and Simultaneous Orientation-Distribution Of Nanoparticles Within Polymer Matrix

An improved a device and method for dispersion and simultaneous orientation of nanoparticles within a matrix is provided. A mixer having a shaft and a stator is provided. The shaft may have a rupture region and erosion region. Further, an orienter having an angled stationary plate and a moving plate are provided. The nanoparticles and the matrix are fed into the mixer. A rotational force is applied to the shaft to produce shearing forces. The shearing forces disperse and exfoliate the nanoparticles within the matrix. The dispersed mixture is outputted onto the moving plate. The moving plate is forced across the angled stationary plate to produce fully developed laminar shear flow. The fully developed laminar shear flow or the two-dimensional extensional drag flow orients the dispersed nanoparticles-matrix mixture.

Coating material for electrical equipment, method for manufacturing coating material for electrical equipment, and closed insulating device

There are provided a coating material for electrical equipment, a method for manufacturing a coating material for electrical equipment, and a closed insulating device, capable of suppressing floating and moving around of foreign substances in electrical equipment. A coating material for electrical equipment 20 in an embodiment includes: a matrix resin 50 composed of an epoxy resin; a first filler 10 dispersedly contained in the matrix resin 50 and composed of whiskers having a semiconductive specific volume resistivity; a second filler 30 dispersedly contained in the matrix resin 50 and composed of particles having a semiconductive specific volume resistivity; and a third filler 40 dispersedly contained in the matrix resin 50 and composed of a planar, fibrous, or lamellar substance having insulating properties.

BONE CEMENT APPLICATOR WITH THREE-WAY VALVE FOR PRESSURE RELIEF
20180021076 · 2018-01-25 · ·

Bone cement applicators and methods for application of a bone cement dough, the applicators and methods comprise a tubular cartridge with an internal space, a dispensing plunger for expelling the starting components through an opening of the cartridge opposite from the dispensing plunger, wherein the dispensing plunger is mobile in longitudinal direction in the internal space of the cartridge. The applicators and methods further comprise a hose, an application opening, a three-way valve operable from outside and arranged or arrangeable in the hose or on a side of the hose facing the cartridge, and a collecting container arranged on the three-way valve. The three-way valve is designed and arranged or arrangeable in the applicator such that it, being in a first position, provides a fluid connection between the application opening and the opening of the cartridge and closes a feed-through to the collecting container and, being in a second position, provides a fluid connection between the application opening and the collecting container and closes a passage to the opening of the cartridge.

Vacuum mixing system and method for the mixing of polymethylmethacrylate bone cement
09861943 · 2018-01-09 · ·

Vacuum mixing systems and methods mix of polymethylmethacrylate bone cement, the systems and methods comprise at least one cartridge having an evacuable internal space, a pump with a plunger that can be moved by hand to generate a low pressure, and a connecting conduit connecting the internal space of the at least one cartridge to the pump. The pump comprises an operating element that can be operated from outside and is connected appropriately to the plunger such that it is suitable for moving the plunger in the pump by hand such that a low pressure can be generated such that the low pressure of the pump can be used to evacuate gas from the internal space of the at least one cartridge through the connecting conduit.