Abstract: A manifold assembly (100) for directing and filtering material (102) from fluid flowing into a medical waste collection device (104) includes a plurality of inlet ports (116) and an outlet port (118) with a filter (108, 110, 112) disposed between the ports (116, 118) along a fluid path (120). An outlet check-valve (114) is disposed at the outlet port (118) for opening in response to a predetermined vacuum pressure applied to the outlet port (118) from the medical waste collection device (104).

Abstract: A bone cement mixing and delivery system is provided. The system includes a mixing cartridge for receiving liquid and powder components of bone cement, a mixing device for mixing the components, and a delivery gun for discharging the bone cement from the mixing cartridge. The mixing cartridge comprises a cylinder having proximal and distal ends with a cylinder wall extending between the ends. A piston is locked at the distal end by a locking member that includes a pair of locking tabs protruding into slots in the cylinder wall. With the piston in the locked position, the mixing device, e.g., a mixing shaft and blade, mixes the components. After mixing, the cartridge is placed in the delivery gun and release buttons on the locking member are engaged by a release mechanism on the delivery gun to release the piston from the locked position.

Abstract: A surgical saw blade operatively couples to an oscillatory power tool for oscillation about an oscillation axis (OA). The saw blade includes a plurality of cutting teeth separated from one another by a clean out opening along a distal end. The clean out opening comprises an arcuate closed end and straight side walls extending from the closed end. Each tooth comprises first and second rake surfaces and first and second relief surfaces intersecting to define first and second cutting edges, respectively. The first and second cutting edges are oppositely disposed from one another. One cutting tooth protrudes a distance (de) from one side face of the blade and the next adjacent cutting tooth protrudes the same distance (de) from the other side face of the blade to cut a groove having a width (dg) wider than the thickness (t) of the blade.

Abstract: A bone cement mixing and delivery assembly is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and delivering the bone cement. The assembly includes a cartridge having a distal end and a proximal end and defining a mixing chamber between the distal end and the proximal end. A transfer mechanism having a cap and a stem supporting a piston and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism for advancing the piston and plunger in unison and a second advancement mechanism for moving the plunger independent of the piston. The assembly further includes a removable handle having a shaft for attachment of a mixing blade and a quick-release connector and a release button for locking and unlocking the mixing blade from the removable handle.

Abstract: A bone cement mixing and delivery assembly is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and deliver the bone cement. The assembly includes a cartridge having a distal end and a proximal end and defining a mixing chamber between the distal end and the proximal end. A transfer mechanism having a cap and a stem supporting a piston and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism for advancing the piston and plunger in unison and a second advancement mechanism for moving the plunger independent of the piston. The assembly further includes a removable handle and a mixing blade releasably coupled to the handle to mix the components of the bone cement. A quick-release connector and a release device are used to lock and unlock the mixing blade from the removable handle.

Abstract: A medication delivery system delivers medication to a patient. The system includes a base and a reservoir disposed about the base for storing the medication. A pump for delivering the medication to the patient is supported by the base. The pump includes a housing having an inlet and an outlet. A first pinch lever is disposed near the inlet and a second pinch lever is disposed near the outlet. Each of the pinch levers move between an open and closed position to control a flow of the medication into the housing. A motor operatively engages the pinch levers to move the pinch levers such that the medication can be delivered to the patient.

Abstract: A mixing assembly for mixing bone cement includes a housing, a lid, a handle, and two mixing paddles, a first and a second mixing paddle. The lid is removably attachable to the housing. The handle has a portion that extends through the lid and that is rotatable in a first rotational direction. The first mixing paddle is operatively coupled to the portion of the handle. As a result, the first mixing paddle rotates with the portion of the handle in the first rotational direction. The second mixing paddle is operatively coupled to the first mixing paddle for rotating opposite the portion. As such, when the portion of the handle and the first mixing paddle rotate in the first rotational direction, the second mixing paddle rotates in a second rotational direction that is opposite the first rotational direction.

Abstract: An air filtration system and a helmet for use in the air filtration system are disclosed and utilized to filter air between a head and body of a user and an external environment. The air filtration system and helmet include inner and outer shells that define an air flow channel for channeling air about the user. A fan module is mounted between the inner and outer shells and a scroll housing is mounted adjacent the fan module. The scroll housing includes an air inlet for drawing air into the air filtration system and helmet, and at least one air outlet to distribute air flow to the air flow channel. The helmet includes air exits at front and rear sections that are in fluid communication with the air flow channel and the air outlet or outlets. The air filtration system includes a gown operating as a filter for filtering the air.

Abstract: A container assembly for mixing materials having a base defining a mixing chamber for mixing the materials and a cover mounted to the base covering the mixing chamber. A sealing portion depends from the cover and engages an inner wall of the base. The sealing portion is flexible and angled outwardly such that during the engagement of the sealing portion with the inner wall, the sealing portion flexes and conforms to the inner wall to seal the mixing chamber. In addition, a first locking device is disposed on the base and a second locking device is disposed on the cover. A lifting mechanism is disposed on one of the base and cover for automatically lifting the cover relative to the base as the cover is being removed from the base for preventing a discharge of material from the mixing chamber.

Abstract: A resonating device for attenuating sound waves that are generated by a pneumatic surgical instrument is disclosed. The resonating device includes a manifold having a duct for accommodating a flow of fluid from the instrument. A plurality of canisters extend from the manifold for attenuating sound waves produced by the instrument. A neck extends into each canister and is in fluid communication with the duct and the canister. The canisters are mounted to and extend from the manifold in series. The canisters attenuate the sound waves in order from the highest frequency to the lowest frequency, thereby efficiently attenuating the sound waves.

Abstract: A medication delivery system delivers medication to a patient and is suitable for sterilization by a sterilization fluid. The system includes a base and a reservoir disposed about the base for storing the medication. A pump for delivering the medication to the patient is supported by the base. A port extends from the base. The port enables fluids to flow into, within, and from the medication delivery system. The Port comprises an elongated housing having a Proximate end and a distal end with a fluid chamber defined therebetween. A plurality of fluid connectors extend from the elongated housing. A plunger is disposed in the fluid chamber and defines an internal fluid bore therethrough with the internal fluid bore being in selective fluid communication with the fluid connectors as the plunger moves between an off-position, a fill-position for filling the reservoir, and a fluid delivery-position for delivering the fluid to the patient.

Abstract: A manifold assembly (12) for a medical waste collection device (10) is provided. The manifold assembly (12) comprises a housing (14) and a cap (16) connected to the housing (14) by a snap-fit connection (18). The housing (14) includes a bottom (20) and a wall (24) extending upwardly therefrom about an axis (26). A support structure (22) is disposed on the bottom (20) of the housing (14) to support a plurality of filters (60, 62). The support structure (22) includes spaced inner (38) and outer (40) rings. The support structure (22) further includes a plurality of inner spokes (52) extending radially between the axis (26) and the inner ring (38) and a plurality of outer spokes (44) extending radially between the inner ring (38) and the outer ring (40). The rings (38, 40) and spokes (44, 52) have upper surfaces that are coplanar to define a filter support surface (30).

Abstract: An opener and tool for breaking medical containers, such as, for example, ampoules that includes an elongated handle which has a first end and a second end, an upper edge and a lower edge, and an opener which defines an opening extending into the upper edge at the first end and further defining a flexible cantilevered arm. The opener and tool has at least one arcuate pocket for gripping containers of different sizes between sides of the opening, holding the container and breaking a tip of the container to remove a liquid therefrom for further use with powdered components to produce a mix. The opener and tool also includes a spatula disposed at the second end of the handle.

Abstract: An irrigation surgical tool system comprises a motorized handpiece, a tool for insertion in the handpiece, a console including a mounting plate and peristaltic pump rotor and a tube set including a cassette installable on the console for peristaltic pumping of irrigation liquid to the tool. Passages in the tool allow irrigation liquid flow, between a fixed outer tube and rotating inner tube of the tool, to a surgical site, through windows in the tool inner and outer tubes. Application of suction to the tool enables withdrawal through the inner tube of irrigation and surgical debris from the surgical site.

Abstract: A surgical saw blade coupler for removably holding a surgical saw blade. The surgical saw blade may be of various shaped and sizes, including, but not limited to straight or crescentic. The surgical saw blade coupler includes a cap, a pin and a driver. The driver is rotatably coupled to a motor within a housing. The cap and the pin form a slot which receives a first end of the surgical saw blade. The cap and the pin also form a groove for receiving a back edge of the surgical saw blade. The surgical saw blade coupler is moveable between an open position in which the surgical saw blade may be removed, exchanged or inserted, and a closed position.

Abstract: A delivery apparatus for injecting cement from a cartridge includes a cradle, a cartridge, a button, and a threaded rod. The cradle has an axial cavity extending therethrough for supporting the cartridge of cement. The cartridge dispensing mechanism is coupled to the cradle. The button includes threads and defines an axial bore. The button is moveable into and out of threaded engagement with the threaded rod. The threaded rod extends into the axial cavity of the cradle.

Abstract: A resonating device for attenuating sound waves that are generated by a pneumatic surgical instrument is disclosed. The resonating device includes a manifold having a duct for accommodating a flow of fluid from the instrument. A plurality of canisters extend from the manifold for attenuating sound waves produced by the instrument. A neck extends into each canister and is in fluid communication with the duct and the canister. The canisters are mounted to and extend from the manifold in series. The canisters attenuate the sound waves in order from the highest frequency to the lowest frequency, thereby efficiently attenuating the sound waves.

Abstract: An apparatus for use in delivering pain medication to separate locations from a single source of pressurized medication includes a valve housing, a cap, and a flexible diaphragm. The valve housing includes a first end and a second end and an inlet passage. The first end includes first and second outlet orifices. The cap has a closed end and an open end and is removably coupled to the valve housing at the open end. The flexible diaphragm is coupled between the cap and the valve housing and is movable from a closed position to an open position. The flexible diaphragm seals a pressure chamber from the first and second outlet orifices when in the closed position and opens the first and second outlet orifices to the pressure chamber when in the open position.

Abstract: A bone cement mixing and delivery assembly is disclosed for mixing a powdered copolymer and a liquid monomer to form a bone cement and delivering the bone cement. The assembly includes a cartridge having a distal end and a proximal end and defining a mixing chamber between the distal end and the proximal end. A transfer mechanism having a cap and a stem supporting a piston and a plunger is connected to the distal end. The transfer mechanism includes a first advancement mechanism for advancing the piston and plunger in unison and a second advancement mechanism for moving the plunger independent of the piston. The assembly further includes a removable handle having a shaft for attachment of a mixing blade and a quick-release connector and a release button for locking and unlocking the mixing blade from the removable handle.