B01F35/75425

Methods, materials and apparatus for treating bone and other tissue

A bone cement comprising a first component and a second component, wherein contacting the first component and the second component produces a mixture which attains a high viscosity an initial period and the viscosity of the mixture remains relatively stable for a working time of at least 5 minutes after the initial setting period, and the mixture is suitable for in-vivo use.

RESIN DISPENSING APPARATUS
20170209842 · 2017-07-27 ·

A resin dispensing apparatus includes a supply unit including a syringe having an internal space configured to hold a phosphor-containing resin. An agitator is disposed in the internal space. The supply unit is configured to rotate at least one of the syringe and the agitator to prevent settling of phosphor contained in the phosphor-containing resin. A discharge unit includes a cylinder having a discharge nozzle through which the phosphor-containing resin, received through a connecting pipe connected to the syringe, is discharged. A piston provides pressure to discharge the phosphor-containing resin through the discharge nozzle inside the cylinder.

APPARATUS FOR PROCESSING SLURRY AND A PROCESS THEREOF
20170203266 · 2017-07-20 ·

An apparatus and a method for processing slurry are provided. The apparatus includes a support frame including a vertical member and a horizontal member. The apparatus also includes a mounting unit mounted on the vertical member, a mixing chamber disposed on the horizontal member, a controller mounted on the mounting unit, and a stirrer attached to the controller. The mounting unit is operable to position the stirrer with respect to the mixing chamber such that the stirrer is in contact with a slurry in the mixing chamber during the mixing operation.

Device to prepare and administer two-component mixture
09675397 · 2017-06-13 · ·

A device to prepare and administer a two-component mixture, including a first chamber in which a container is housed that is hermetically closed for a liquid component, a second chamber containing a powdered component, an opening of the container of the liquid component, a mixing member placed in the second chamber for preparing the mixture and a piston able to move in the second chamber to dispense the mixture. The mixing member includes a stem, passing through an opening for dispensing the mixture in the second chamber, having an outer end equipped with a handle and an inner end provided with a mixing blade connected to the inner end with a releasable connection.

VACUUM MIXING DEVICE WITH OPERATING ELEMENT AND PUMP FOR MIXING POLYMETHYLMETHACRYLATE BONE CEMENT
20170157578 · 2017-06-08 · ·

A vacuum mixing device for mixing PMMA bone cement from a monomer liquid and a cement powder, the vacuum mixing device comprising at least one cartridge comprising 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 pump, in which a movable plunger for generating a negative pressure is arranged and delimits a pump chamber of the pump, and a connection line, which connects the interior of the at least one cartridge to the pump chamber of the pump, wherein the vacuum mixing system comprises an operating element that is operatable from outside, wherein the plunger in the pump is movable manually by means of the operating element, and wherein the opening device is movable 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.

VACUUM MIXING DEVICE WITH OPERATING ELEMENT, PRESSURE PUMP, AND VACUUM PUMP FOR MIXING POLYMETHYLMETHACRYLATE BONE CEMENT
20170157579 · 2017-06-08 · ·

A vacuum mixing device or system mixes polymethylmethacrylate bone cement from a monomer liquid and a cement powder. The device or system comprising at least one cartridge comprising 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, 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 vacuum pump, in which a movable vacuum plunger for generating a negative pressure is arranged and delimits a vacuum pump chamber of the vacuum pump, a pressure pump, in which a movable pump plunger for conveying a liquid is arranged and delimits a pressure pump chamber of the pressure pump, a connection line, and a fluid connection. The device or system further comprises an operating element that is operatable from outside, wherein, by means of the operating element, the vacuum plunger in the vacuum pump is movable manually, the pump plunger in the pressure pump is movable manually, the opening device is movable manually relative to the receptacle or relative to the integrated container, and the mixing device is movable manually in the interior of the cartridge.

Driving device of a metering and mixing apparatus

A driving device of a metering and mixing apparatus for multi-component substances is disclosed, which driving device can have at least two cartridge holders for holding interchangeable cartridges with individual substance components, a discharging apparatus for simultaneously discharging the substance components from the cartridges through component outlets with the aid of discharging pistons entering the cartridge holder or cartridges, and a mixing apparatus which is connected to the component outlets, for mixing the discharged substance components and discharging the latter in mixed form, and a transmission unit for the connection of a drive motor, wherein the transmission unit can have a detector for detecting at least one counter pressure which builds up during the discharging of at least one of the substance components, and a controller, which is connected on an inlet side to the detector for bringing about a driving control function in response to a detection result.

DEVICE AND METHOD FOR MANUALLY OPENING GLASS AMPULES AND A CEMENTING DEVICE
20170087527 · 2017-03-30 · ·

A device and method manually opens glass ampules within the device, wherein the device comprises at least a holder with side walls closed at least in sections as a holder of glass ampules, wherein the holder comprises at least one deformable closed side wall and, opposite the deformable side wall, a supporting element is provided. The device further comprises at least a strainer/filter which is arranged below the holder so that the content of the opened glass ampule flows therethrough, a first lever which is pivoted around a first axis in such a manner that it can rotate against the holder, wherein a free end of the first lever can be pressed against the deformable side wall of the holder, a second lever which is pivoted around a second axis in such a manner that it can be rotated against the holder. The second axis divides the second lever into a short lever arm and a long lever arm, wherein one end of the short lever arm should be pressed through manual operation of the long lever arm against the first lever in such a manner that the free end of the first lever presses against the deformable side wall and deforms said wall in such a manner that a glass ampule should be broken open by the pressure of the free end of the first lever.

Mixing cup with extrusion plunger

A device for mixing and dispensing a flowable material or mixture of materials, the device comprising a cup having a bottom with a protrusion having an opening; a plunger having a dispensing port and air vent holes; a plug; a nozzle; and, a lid. The plug can be associated with and plug the cup protrusion opening when the cup is being filled or mixed, or the plug can be associated with the plunger port to seal off the air vent holes when material is dispensed from the device. Also disclosed is a method of mixing and dispensing a flowable material.

Material Mixing Cartridge for Dispensing Systems

A material mixing cartridge for a dispensing system comprises a dispensing chamber, with a material dispensing outlet and a dispensing actuator for dispensing material through the material dispensing outlet. The mixing cartridge further comprises at least two material compartments for receiving material to be mixed, and at least one material transfer channel which is adapted for material transfer between the at least two material compartments and the dispensing chamber The mixing cartridge further comprises at least one valve arranged to regulate material flow between a material compartment and the dispensing chamber via the at least one material transfer channel.