Abstract: A sterile bag for covering medical equipment comprises: a barrier section, a flexible body section, and an attaching section. The flexible body section has a tubular shape extending from a proximal end to a distal end thereof, and an outer surface, an inner surface, and an open end. The barrier section is coupled to the proximal end, and the attaching section is formed at the distal end of the flexible body section. The barrier section is a rigid or semirigid component which attaches the sterile bag to a sterile component or to an unsterile component of the medical equipment in a pleaded or folded state. The flexible body section is configured to be deployed over the unsterile component so as to enclose within the inner surface thereof the unsterile component. The unsterile component is connectable to the sterile component through the central opening of the barrier section.

Abstract: A snap-on snap-off drill stop device for boring into a tooth and or in bone. The stop device that impedes insertion of the bore device into the tooth or bone tissue beyond predetermined depths at pre-selected stages of a drilling process by simplifying the tedious process of exchanging drill bits and drill stops for the ultimate size and depth bore.

Abstract: Embodiments disclose a disposable protective assembly apparatus for a dental syringe body of a dental syringe. The apparatus is a combination of a disposable syringe tip and a disposable protective sleeve, the sleeve being pre-attached to the syringe tip, and the sleeve being in a pre-folded position to be quickly and easily slid over the dental syringe prior to a dental operation.

Abstract: A universal drill guide system includes a universal drill guide, interchangeable drill tubes, and interchangeable drill bits. Each interchangeable drill tube corresponds to one of the interchangeable drill bits, and can be detachably coupled to the universal drill guide. A cannulated drill with K-wire retention features a drill bit with a retention mechanism that prevents axial advancement of a K-wire during drilling. A drill removal tool includes a drill remover that can be placed around a drill bit to remove it from bone after a hole is drilled, while leaving a K-wire in place in the bone. A bone screw driver with K-wire retention includes a shaft that can be passed over a K-wire, a distal end for attachment to a cannulated bone screw, and a K-wire retention module for preventing advancement of the K-wire as the screw driver drives the cannulated bone screw into bone.

Abstract: A detection device for active dental caries and/or tooth erosion, comprising a light detection means, fluid dispensing means, and an atomiser, wherein the fluid dispensing means and atomiser are in fluid communication such that a disclosing fluid contained within the fluid dispensing means is dispensed through the atomiser evenly onto a surface of interest.

Abstract: The surgical guide tool for single dental implant positioning includes an adjustable U-shaped frame having an inner member and an outer member. The inner member of the frame includes a first arm and a second arm that extends normal to the first arm. The outer member of the frame includes a first arm and a second arm that extends normal to the first arm. The first arm of the outer member includes an inner cavity for slidably receiving the first arm of the inner member. The first arm of the inner member can be moved within the cavity to adjust the size of the frame. A ring, attached to the second arm of the inner member, includes a circular wall with a central aperture extending therethrough. The central aperture is configured for receiving a drill bit therethrough for properly positioning the drill bit on the jawbone.

Abstract: An external drive apparatus for bendable collar implants includes a male fastener and a female driver. The male fastener is constructed as a rigid and integral unity including an implant screw, a collar, and a male screw-top drive. The female driver supports a female screw-top drive. The female driver is configured for application of an implantation torque to the implant screw via the male screw-top drive which is disposed distally away from the collar.

Abstract: A housing containing an electrical energy source is coupled between a first end cap comprising a control and an interstitial member comprising an LED selectively electrically couplable to the electrical energy source by the control, and a second end cap coupled to the interstitial member comprises an optical filtering component in optical alignment with light emitted by the LED. At least a portion of an exterior of at least one of the housing, the first end cap, the interstitial member, and the second end cap may have a cross-sectional shape that is not substantially circular. The end caps, housing, interstitial member, and optical filtering component may each be sealingly interconnected. A method of using the apparatus may comprise directing light emitted by the apparatus into a human oral cavity without inserting the apparatus into the human oral cavity.

Abstract: An irrigation sleeve, for use with a surgical system that comprises an irrigation source and a surgical tool having a tube to support a cutting accessory having a head, in turn comprises a body extending between proximal and distal ends. A first lumen formed in the body receives the tube. The head is adjacent the distal end. A second lumen formed in the body is spaced from the first lumen and comprises proximal and distal regions thereof. The proximal region of the second lumen extends from an inlet for fluid communication with the source, to a transition. The distal region of the second lumen is spaced out of fluid communication with the first lumen and extends from the transition to an outlet to direct fluid adjacent to the head.

Abstract: Disclosed are a needle tip mounted in a cartridge form (in a replaceable manner) to a hand piece of the skin treatment apparatus and allowing a drug to be injected deeply into an invaded potion, and a skin treatment apparatus having the needle tip mounted thereon. The needle tip includes a casing hollow in a vertical direction; a needle unit disposed in the casing and reciprocating in the vertical direction; and at least one sealing member disposed between the casing and the needle unit, wherein the needle unit includes: a housing disposed inside the casing; and at least one needle electrode disposed in the housing of the needle unit and extending in the vertical direction, wherein the at least one sealing member closes a space between the casing and the housing of the needle unit in the vertical direction.

Abstract: An apparatus including: a lumen scanner (260) configured to scan a body lumen and acquire data for rendering a 3D model of the body lumen. The lumen scanner includes: an optical sensor (240) configured to acquire images of the body lumen while the lumen scanner is disposed inside the body lumen; and a fluid nozzle (202) configured to direct fluid onto an area of the body lumen imaged by the optical sensor while the lumen scanner is disposed inside the body lumen.

Abstract: A re-usable medical procedure power tool includes a subframe having a handle portion connected to a tool attachment portion and a power source portion. A removable, single use, contamination-blocking cover substantially covers the sub frame of the tool. At least the handle portion of the cover includes a flexible portion providing a tactile feel portion for a user. The tactile feel portion is movable sufficient to move an associated trigger attached to the subframe.

Abstract: Embodiments disclose a disposable protective assembly apparatus for a dental syringe body of a dental syringe. The apparatus is a combination of a disposable syringe tip and a disposable protective sleeve, the sleeve being pre-attached to the syringe tip, and the sleeve being in a pre-folded position to be quickly and easily slid over the dental syringe prior to a dental operation.

Abstract: A re-usable medical procedure power tool includes a housing having a handle portion connected to a tool attachment portion and a power source portion. A removable, single use, contamination-blocking cover substantially covering the power source portion, the handle portion and the tool attachment portion. The housing has a first shape and the cover has a second shape similar to the first shape. The handle portion includes a tactile feel portion which is movable sufficient to move an associated trigger coupled to the housing.

Abstract: A re-usable medical procedure power tool includes a housing having a handle portion connected to a tool attachment portion and a power source portion. A removable, single use, contamination-blocking cover substantially covering the power source portion, the handle portion and the tool attachment portion. The housing has a first shape and the cover has a second shape similar to the first shape.

Abstract: A liquid dispensing and effluent shielding container assembly includes a flexible container having a container interior and a splash guard including a splash guard shield carried by the container. The splash guard shield may have a shield opening disposed in fluid communication with the container interior of the container. An injection nozzle is carried by the splash guard shield. The injection nozzle has a injection nozzle bore disposed in fluid communication with the shield opening of the splash guard shield and at least one injection opening in the injection nozzle, the at least one injection opening disposed in fluid communication with the injection nozzle bore. A method of eliminating microbes in an overflow space in a sink is also disclosed.

Abstract: An ultrasonic root end retro-preparation endodontic apical surgical instrument. The instrument has a double-angled shape with a length of between about 1-2 in (2.5-5.1 mm), and is made of a metal which safely and effectively propagates ultrasonic energy from a base segment to a bent distal tip with a length of between about 0.08-0.15 in (0.20-0.38 mm). The instrument includes a swivel segment that permits rotation of the bent distal tip of up to 360°. By allowing the bent distal tip to be swiveled, the instrument may be used for all quadrants, anterior and posterior teeth without switching out the instrument for another one.

Abstract: A bone foundation guide with a bone foundation guide body contoured to guide a cutting implement to alter an exposed bone of a dental surgical site. The bone foundation guide body may form an encircled open surgical space that continuously connects a top and a bottom of the bone foundation guide body. The bottom may be further contoured to affix to the exposed bone of the dental surgical site while the top is further adapted to support a dental implant surgical guide or in the alternative a cutting containment guard. The cutting containment guard may have a cutting channel for receiving the exposed bone when the cutting containment guard is combined with the bone foundation guide body. The combination forms a cutting slot for guiding a cutting edge of a cutting implement to alter the exposed bone from the dental implant surgical guide.

Abstract: Oral hygiene systems and methods for their use are provided. An oral hygiene system includes a mouthpiece having an outer portion and an inner portion configured to receive at least a portion of a user's dental and gum structures, a plurality of filaments disposed within the inner portion of the mouthpiece, a water pressure irrigator configured to be selectively coupled to the outer portion of the mouthpiece and to deliver fluid to the inner portion of the mouthpiece, and a fluid reservoir in fluid communication with the water pressure irrigator and configured to deliver the fluid thereto, wherein the system is configured to generate ultrasound/ultrasonic vibration within the inner portion of the mouthpiece.

Abstract: A retractable protective covering assembly enabling a dental operator to selectively expose and cover a distal portion of a working end of a dental instrument during an intraoral examination of a dental patient, including a base component releasably attachable about the exterior of a length of a rigid linear shaft of the dental instrument, a cover component coupled to the base component, a coupling mechanism coupling the cover component to the base component, and a biasing element interposed between a proximal end of the cover component and an exterior surface the dental instrument rigid linear shaft, wherein the biasing element exerts a generally upward force against the proximal end portion of the cover component and urges a dental working end cover portion downwardly such that a distal end portion of the dental working end cover portion extends below the working end distal portion of the dental instrument.

Abstract: A method of manufacturing a dental prophy angle with a wiper assembly is described. The prophy angle comprises a neck section and the neck section has an outer surface. The method comprises the steps of manufacturing a dental prophy angle, manufacturing a wiper assembly by molding a base, the base having an undersurface, the undersurface configured to match the outer surface of the neck section, molding a shield, the shield assembly comprising a carriage and a wiper, attaching the base to the shield assembly, and attaching the undersurface to the outer surface.

Abstract: A surgical instrument includes an actuator. A member is connected with the actuator and includes a mating part releasably engageable with a tissue engaging element such that the member is interchangeable with a plurality of alternate tissue engaging elements. Systems, implants and methods are described.

Abstract: An instrument, article and method are provided for minimizing pain during administration by injection of a liquid, such as, an anesthetic. The instrument has a forward end. A lightpipe mounted freely for vibration projects out of the forward end. The article, a single use tip, is composed of a tip sleeve removably mounted on the forward end of the instrument and a tip member removably mounted on the projecting lightpipe to vibrate a preselected injection site on a human or animal. The tip sleeve and tip member are covered by an elastic overmold that enables the tip member to vibrate freely with respect to the tip sleeve and light from the lightpipe to illuminate the injection site. A vibration unit mounted in the instrument is coupled to the lightpipe. The method is carried out by imparting vibrations and illumination via the lightpipe to the tip member.

Abstract: A dental handpiece has a head section, a neck section, a grip section connected to the grip section, and a drive unit connected to the grip section. The handpiece also has a detent unit for preventing relative rotation between the neck and grip sections. The detent unit includes a detent pin arranged axially slidably in the grip section, a spring for biasing the pin proximally so that the distal end of the pin is arranged inside the grip section in a rest position, and a catch formed at the proximal end of the neck section for receiving the pin for engagement. When the drive unit is brought into connection to the grip section, the pin is pressed distally to project out of the grip section into engagement in the catch, to thereby prevent relative rotation between the neck section and the grip section.

Abstract: A removable dental mandrel guard comprising a collar portion extending from a first open end to a transition region, which may include a first tapered portion, the transition region reducing from a first to a second interior diameter; a shaft guard extending from a first end rigidly connected to the transition region to a second end rigidly connected to the disc shield and having interior cross section defining the second interior diameter; a disc shield having opposed first and second transverse walls, each with a partially enclosed perimeter edge joined by coextensive edge wall extending from a first edge point to a second edge point, the interiors of the first and second transverse walls and edge wall defining a disc cavity; a continuous open seam extending longitudinally from the collar portion first open end to the shaft guard second end.

Abstract: Centrifugal deflection device intended to be fitted to a surgical or dental handpiece to prevent the penetration of foreign matter that results from an operation, the centrifugal deflection device including a ring coupled in rotation either directly or via a tool shank to a drive shaft of the handpiece. This device is characterized in that the ring is covered by a sleeve secured to the front end of the body of the handpiece and which, with the ring, delimits an ejection chamber. The ejection chamber includes an inlet that communicates with a rear area of the handpiece and an outlet that communicates with the external environment, the ring having a first diameter at the outlet of the ejection chamber and a second diameter at the inlet of the ejection chamber, the first diameter of the ring being larger than the second diameter of the ring.

Abstract: An adjustable angle adapter for a prophy angle comprises a nose, a rotating member, a body, a shaft, a multi-axis rotation joint, and an outer joint. The nose is configured to receive a portion of the prophy angle. The rotating member is positioned within the nose. The body is adjustably connected to the nose. The shaft is positioned within the body. The multi-axis rotation joint connects the shaft to the rotating member. The outer joint includes a ball portion connected to one of the body and the nose, and a ball receiver connected to an other of the body and the nose. The nose is configured to pivot relative to the body into at least a first configuration and a second configuration.

Abstract: A prophy cup has an outer surface with dimples formed therein. The dimples increase the turbulent flow in a boundary layer proximate to the surface. The increased turbulent flow reduces the separation of fluid (a slurry of saliva, blood and pumice) at the boundary layer to minimize the quantity of fluid ejected from the surface. A dental handpiece housing is configured to split longitudinally so that a wiper is positioned proximate to the outer surface of the prophy cup. The wiper removes slurry as the prophy cup rotates during a dental cleaning procedure to further reduce the quantity of fluid ejected from the surface during the procedure.

Abstract: The present invention is directed to dental prophylaxis devices that improve portability, maneuverability and aid in retaining clean conditions for use on dental patients, particularly to dental handpieces. The present invention is also directed prophylaxis or prophy angles for use with such handpieces. In general, a dental prophylaxis device includes a handpiece and a prophy angle which includes a driven shaft and a prophy cup attached for rotation thereto. The handpiece generally includes a body which houses a rotational source coupled to an output shaft which couples to the driven shaft in the prophy angle via angled gear interfaces on the output shaft and the driven shaft.

Abstract: An instrument, article and method are provided for minimizing pain during administration by injection of a liquid, such as, an anesthetic. The instrument has a forward end. A lightpipe mounted freely for vibration projects out of the forward end. The article, a single use tip, is composed of a tip sleeve removably mounted on the forward end of the instrument and a tip member removably mounted on the projecting lightpipe to vibrate a preselected injection site on a human or animal. The tip sleeve and tip member are covered by an elastic overmold that enables the tip member to vibrate freely with respect to the tip sleeve and light from the lightpipe to illuminate the injection site. The overmold of the single use tip is torn during removal of the single use tip from the instrument.

Abstract: A variable speed tooth polishing system including a tooth polisher with multiple polishing head capability, in order to provide therapeutic treatment to gums and guard against undesired exposure to potentially hazardous fluids present during routine dental cleansing and polishing, such as polishing paste, tooth paste, blood, and salivary excretions. A splatter guard comprising a plurality of serrations are cut through a wall of the splatter guard, wherein each of the serrations starting at an open end of the splatter guard and continuing into a length of said splatter guard forming a series of flexible splatter guard fingers about the open end of the splatter guard. The splatter guard is affixed to a polishing end of a prophy angle encompassing a polisher, wherein the splatter guard is provided to entrap any loose material resulting from a polishing process within the splatter guard.

Abstract: A prophylactic system 100 for a dental hand piece 101 of a selected shape and having an outlet 112 for providing a fluid to an operating field is disclosed. A cover 102 has a shape substantially similar to the hand piece 101 for enclosing the dental hand piece 101 and includes an aperture 118 for communicating with the operating field. An s-shaped valve 600 includes a path 605 for coupling the fluid from outlet 118 of the hand piece 101 to the aperture 118 of the cover.

Abstract: A high-speed turbine dental drill handpiece has a drilling needle, a wind wheel axle, a head housing having an annular opening with a two-step profile shape, and a suckback prevention device. The suckback prevention device includes an elastic bowl-shaped axle shroud coupled to an annular skeleton that are buckled in an inner step of the head housing and an annular screw connected to the outer step of the head housing (or retaining of the elastic bowl-shaped axle shroud. An eyelet for the drilling needle is set at the center of the elastic bowl-shaped axle shroud, the diameter of the eyelet being slightly larger than that of the drilling needle.

Abstract: Centrifugal deflection device intended to be fitted to a surgical or dental handpiece (1) to prevent the penetration of foreign matter that results from an operation, said centrifugal deflection device including a ring (10; 10?1) coupled in rotation either directly or via a tool shank (6) to a drive shaft (8) of the handpiece (1). This device is characterized in that the ring (10, 10?) is covered by a sleeve (12; 12?) secured to the front end of the body (22) of the handpiece (1) and which, with the ring (10; 10?), delimits an ejection chamber (11; 11?). The ejection chamber (11; 11?) includes an inlet that communicates with a rear area of the handpiece and an outlet that communicates with the external environment, the ring (10; 10?) having a first diameter (D1; D1?) at the outlet of the ejection chamber (11; 11?) and a second diameter at the inlet of the ejection chamber (11; 11?), the first diameter of the ring (10; 10?) being larger than the second diameter of the ring (10; 10?).

Abstract: A variable speed tooth polishing system including a tooth polisher with multiple polishing head capability, in order to provide therapeutic treatment to gums and guard against undesired exposure to potentially hazardous fluids present during routine dental cleansing and polishing, such as polishing paste, tooth paste, blood, and salivary excretions.

Abstract: The invention relates to a protective device for dental equipment of the type including a straight handpiece or a contra-angle. The dental equipment is formed by a body enclosing a motor unit and/or members for transmitting movement and a tool-holder head bearing a tool. The protective device is a sleeve that has the general form of a glove finger, with an opening at one end and a closed base at the other end. The invention also relates to a sealed packaging for an insert formed by a tool-holder head bearing the tool and equipped with the protective device.

Abstract: A dental system comprises a dental prophy angle and an adjustable angle adapter. The prophy angle includes a housing and a guard. The adapter is configured to drive the prophy angle and includes a body, a nose, and an outer joint. The nose is configured to receive a portion of a prophy angle. The body is adjustably connected to the nose. The outer joint includes a ball portion connected to the nose, and a ball receiver connected to the body. The nose is rotatable relative to the body into at least a first configuration and a second configuration. The guard engages an outer surface of the ball receiver, and the guard has a greatest outer diameter larger than a greatest outer diameter of the housing.

Abstract: An adjustable angle adapter for a prophy angle comprises a nose, a rotating member, a body, a shaft, a multi-axis rotation joint, and an outer joint. The nose is configured to receive a portion of the prophy angle. The rotating member is positioned within the nose. The body is adjustably connected to the nose. The shaft is positioned within the body. The multi-axis rotation joint connects the shaft to the rotating member. The outer joint includes a ball portion connected to one of the body and the nose, and a ball receiver connected to an other of the body and the nose. The nose is configured to pivot relative to the body into at least a first configuration and a second configuration.

Abstract: Compositions, particularly for forming dental products, having a hardenable self-supporting structure with sufficient malleability to be subsequently customized into a second shape and then hardened, and methods.

Abstract: A prophylactic system 100 for a dental hand piece 101 of a selected shape and having an outlet 112 for providing a fluid to an operating field is disclosed. A cover 102 has a shape substantially similar to the hand piece 101 for enclosing the dental hand piece 101 and includes an aperture 118 for communicating with the operating field. An s-shaped valve 600 includes a path 605 for coupling the fluid from outlet 118 of the hand piece 101 to the aperture 118 of the cover.

Abstract: The invention relates to a protective device for dental equipment of the type composed mainly of a straight handpiece (3) or of a contra-angle, which are formed by a body enclosing a motor unit and/or members for transmitting movement and by a tool-holder head (1) bearing a tool (2), characterized in that the protective device is a sleeve (4) that has the general form of a glove finger, with an opening (6) at one end and a closed base (5) at the other end. The invention also relates to a sealed packaging for an insert formed by a tool-holder head bearing the tool (2) and equipped with said protective device.

Abstract: Operation of a handpiece is sensed, such as by detecting temperature and/or vibration associated with one or more of the bearing rings supporting the turbine in the handpiece. When operation exceeds a threshold, a visual or audible indication is provided, and power to the turbine may be interrupted. The sensor(s) may be built into the handpiece, or be part of a removable girdle placed on the handpiece. Typically, the handpiece is used for dental or medical applications.

Abstract: An arrangement that may be used in combination with selected tools having a tooth cutting surface for the care and maintenance such as removing a selected portion of the exposed surface of equine teeth. The selected tool in communication with a source of powered motion and mounted in and supported by a hand piece which is guided into the mouth of the horse. The cutting surface of the powered tool is partially guarded so as to protect fleshy portions of the horse's mouth from being engaged by the cutting surface. The hand piece provides for quick on and off attachment of a selected cutting surface for maintenance of a preselected portion of teeth within the same hand piece or another hand piece sized to ease access to the next selected portion of the horse's mouth. The selected hand piece arrangement may further incorporate a vacuum channel whereby the tooth dust and debris created by the powered cutting surface removing a portion of tooth is sucked out of the mouth of the horse.

Abstract: A rotary float includes an elongated tubular arm with a drive shaft rotatably mounted therethrough. The forward end of the drive shaft is connected to a collet shaft within an extension tube, and transmits rotational force from the drive shaft to the collet shaft. A bit is mounted on the forward end of the collet shaft, for grinding a surface adjacent the forward end of the extension tube. A cap with an opening therein, is frictionally engaged on the extension tube over the bit, to permit floating of an animal's teeth through the opening, while protecting the animal from the remainder of the bit.

Abstract: A protective barrier that can be removably fitted over a dental instrument to protect against the transfer of contaminants from one dental patient to another via the dental instrument. The protective barrier, when in use will generally replicate the ergonomic features found on the outer surface of the dental instrument. The barrier is constructed from two mating half portions that include interior chambers and are adapted for placement over and in proximate contact with at least a portion of the outer surface of a dental instrument. The interior chambers of each half portion uniquely contain a yieldably deformable cushion-like elastomer such as polyurethane foam.

Abstract: A variable tool (1) for use in veterinary procedures is provided. The tool (1) includes a handle (5) having first and second ends (7, 8), the first end (7) engageable with a drive means. A shaft (10) having first and second ends (12, 13), the first end (12) of the shaft (10) being mounted within the handle (5) and, in use, rotatable by the drive means. A housing (15) is secured to the second end (8) of the handle (5) and having a free end (27) extending towards the second end (13) of the shaft (10). A burr portion (20) is relaesably engageable with and extending away from the second end (13) of the shaft (10). A connection means (35) is adapted to releasably connect the burr portion (20) to the second end (13) of the shaft (10) such that the burr portion (20) is removable from the shaft (10) without removal of the housing (15) from the handle (5).

Abstract: A prophylactic system 100 for a dental hand piece 101 of a selected shape and having an outlet 112 for providing a fluid to an operating field is disclosed. A cover 102 has a shape substantially similar to the hand piece 101 for enclosing the dental hand piece 101 and includes an aperture 118 for communicating with the operating field. An s-shaped valve 600 includes a path 605 for coupling the fluid from outlet 118 of the hand piece 101 to the aperture 118 of the cover.

Abstract: Method and tool for fracturing the cement interface between a crown and a tooth or the like. The method is accomplished by positioning a piezoelectric driven rapid impacting tool against one side of a portion of a crown covering the tooth. The tool is covered with a malleable metal and is interfacing abutment with said crown. The opposite side of the crown is abutted against an anvil which is covered with a thicker malleable metal interface.

Abstract: A flexible protective cover cushions the impact of a rigid light emitting device when placed in contact with a patient's teeth or a dental appliance. The protective cover includes a base configured to attach to a rigid light emitting device, and a flexible translucent body. The body includes a first and second end. Light from the light emitting device enters the cover through the first end and exits through the second end. The flexible cover may be made of polyurethane, silicone, flexible polyethylene, or another elastomer.

Abstract: A medical device is provided comprising a MRI compatible cranial drill having a removable sterilizable drill bit and a sterile barrier. The sterile barrier has an interior portion, a proximal end, a distal end, a proximal opening at the proximal end and an opening at the distal end. The opening at the distal end further comprises an aperture. The drill is insertable into the proximal opening, the aperture being constructed and arranged to seal around the drill bit such that the drill is enclosed in the interior portion of the sterile barrier and only a portion of the sterile drill bit extends exteriorly of the barrier. In one embodiment, the medical device includes a MRI compatible adjustable depth stop which limits and defines depth of penetration of the drill.