Abstract: A tray having wells or depressions therein for holding a medicament or material and an applicator for applying the medicament or material. The applicator well has one open end from which a portion of the applicator extends. A cover seals the medicament or material well and the applicator well and a portion of the applicator. In one embodiment, the cover is a thin sheet or film that adheres or is heat sealed to substantially the entire surface of the tray. The portion of the applicator extending beyond the applicator well is used to facilitate the removal of the cover whereby the extended portion of the applicator acts as a lever to pry the cover form the body of the tray. Additionally, packaging material required to form the tray can be substantially lessened in those cases where the applicator that is relatively large in comparison with the amount of material to be packaged. Therefore, a larger applicator that is easy to use is associated with the material without unnecessary packaging.

Abstract: A dental capsule or syringe and method for packaging, storing and/or dispensing a low viscosity or liquid-like dental material in which the liquid dental material is saturated in a sponge or cellular foam-like filler confined within the body portion or chamber of the dental capsule and sealed therein by a displaceable piston; and whereby the liquid dental material is dispensed therefrom by imparting a compressive force onto the sponge or foam filler, causing the liquid dental material to be squeezed and dispensed therefrom in a controlled manner by the displacement of the piston sealing the open end of the capsule. The discharge orifice may be sealed either by a suitable detachable sealing cap or by an integrally molded seal which must be severed prior to use.

Abstract: A dental container type applicator in the form of a capsule, dental tip or squeeze bottle having a body portion terminating in a discharge nozzle having a discharge orifice upon which minute fibers or flocking is adhered about the external surface of the discharge nozzle in the vicinity of the discharge orifice to permit the user to spread, burnish or distribute the dental material onto a tooth as it is being expressed from the dental capsule, tip or squeeze bottle without obstructing the flow of dental material therefrom as the dental material is being expressed.

Abstract: A tubular applicator handle having an applicator integrally formed on either end. The applicable integrally formed on either end may be a brush, foam pad, fuzzy ball or other similar or equivalent applicator, for applying a liquid, paste or powder. The applicator handle may or may not have a scribe or score line intermediate either end. The applicator handle may be broken along the score or scribe line forming two separate independent applicators. This greatly reduces waste and provides increased convenience to the user who can either use the double ended applicator or, if desired, two separate single ended applicators. A bendable portion is provided adjacent each applicator so that the angle of the applicator may be changed as desired. The present invention has particular adaptability in the dental field for applying dental materials, but may be valuable in other fields, such as electronics.

Abstract: This disclosure relates to an anhydrous dental etchant composition that includes a mixture of phosphoric acid or an equivalent and anhydrous glycerin having a final acid concentration in the range of 10% to 40%, and having a trace of a color indicator therein; and a unit package and dispenser for the anhydrous dental etch that includes an applicator and a predetermined amount of anhydrous etchant which is self contained for single patient application and which can be readily disposed of after use.

Abstract: This invention is directed to a micro aspirator for use in performing microsurgery for the removal of blood, debris and fluids from around the micro surgical site. The micro aspirator includes an elongated flexible tube which is preferably transparent, which is adapted to be connected to a negative pressure source and an aspirating tip formed as a plastic hub having a connected needle or cannula with a gauge ranging between 10 to 30 connected to the end of the flexible tube. The plastic hub may be either detachably or fixedly secured to the end of the flexible tube, with the needle or cannula being formed of a readily bendable material that can be easily bent by the operator or surgeon to any desired angle.

Abstract: A tray having wells or depressions therein for holding a medicament or material and an applicator for applying the medicament or material. The applicator well has one open end from which a portion of the applicator extends. A cover seals the medicament or material well and the applicator well and a portion of the applicator. In one embodiment, the cover is a thin sheet or film that adheres or is heat sealed to substantially the entire surface of the tray. The portion of the applicator extending beyond the applicator well is used to facilitate the removal of the cover whereby the extended portion of the applicator acts as a lever to pry the cover form the body of the tray. Additionally, packaging material required to form the tray can be substantially lessened in those cases where the applicator that is relatively large in comparison with the amount of material to be packaged. Therefore, a larger applicator that is easy to use is associated with the material without unnecessary packaging.

Abstract: A manual dental extruder or syringe gun having a front end with rigid side walls and an opening therein adapted to receive a dental cartridge, capsule, ampule or tip having a flange. The body portion of the cartridge has a diameter less than that of the lateral width of the opening in the rigid side walls so that the dental cartridge can easily be dropped therein. At one end of the cartridge opening is a flange retainer. After dropping the dental cartridge in the front end, the cartridge is slid forward into the flange retainer. A portion of the rigid side walls extend over the flange when the dental cartridge is in position to be extruded. The rigid side walls improve the durability and strength of the dental extruder and prevents the dental cartridge from being pushed through the end of the extruder due to the large longitudinal forces required to extrude viscous dental materials.

Abstract: A disposable capsule for dispensing a dental material and a method of making the capsule wherein the capsule includes a reservoir portion containing a predetermined amount of material to be dispensed, and which reservoir is connected in communication with a discharge tip. Connected to the end of the tip and projecting therethrough is a needle cannula through which the material is ejected. A displaceable piston may be provided when material is desired to be sealed within the reservoir portion, and which forces the material through the cannula when displaced within the reservoir portion. The method of forming such capsule includes the step of flaring one end of the cannula radially outwardly and inserting the cannula with the flared end trailing into the reservoir and through the discharge tip. A force is then applied to the cannula to force the flared end to be imbedded into the material of the capsule adjacent the end of the discharge tip.

Abstract: A disposable barrel dental impression syringe having a rotatable malleable needle cannula. A disposable barrel is fitted with a malleable needle cannula that is seated to permit easy rotation thereof. A handle is threaded onto the open end of the barrel. A plunger is fitted through the handle and barrel forming a syringe for the extrusion of dental impression material. The needle cannula is positioned within the discharge end of the barrel in such a way to permit easy rotation, yet prevent pushing or pulling the needle cannula through the discharge end of the barrel. This permits exact positioning of the needle cannula for placement of dental impression material. Additionally, only the barrel portion of the syringe being disposable, the precision and feel of a high quality impression syringe is maintained.

Abstract: An improved valve for use in angioplasty comprising a cup shaped body having a piston adapted to slide into a first and second position therein. A passage and a plurality of chambers and openings are formed within the piston. The piston is biased in a first position to align openings and a passage for fluid to flow through a chamber and a one-way valve to inflate a balloon catheter. When the piston is forced into a second position, openings are aligned to permit fluid to flow from the balloon catheter into a chamber through a second one-way valve to rapidly deflat the balloon catheter. A balloon catheter can thereby be quickly deflated easily by a physician.