Abstract: A device for achieving high vacuum stability during phacoemulsification surgery includes a main aspiration line connected to a vacuum source which enables a fluid flow from a phacoemulsification handpiece tip to a drainage reservoir. A first tubing segment is provided in the main aspiration line along with a second tubing segment generally parallel to the first tubing section and a valve disposed in the second tubing segment regulates fluid flow through the second tubing segment in order to limit vacuum surge in the main aspiration line upon clearing of an occlusion in the phacoemulsification handpiece tip.

Abstract: A saliva suction system includes a suction head, a container, a pump, a controller and two tubes. The suction head has an outline fitting a lower jaw. The suction head is provided with a plurality of inlet holes and an outlet hole. The inlet holes communicate with the outlet hole. The tubes are separately disposed between the pump and the suction head and between the pump and the container. The controller makes the pump turn on or off. The saliva suction system further includes a timer and a sensor for automatic or intermittent control.

Abstract: A cannula assembly is removably mountable to a syringe body having a pair of side-by-side chambers; there being an opening into each chamber at a bottom of the syringe. The cannula assembly includes a connector and a dual lumen assembly extending from the connector. The dual lumen assembly includes a pair of tubes defining two fluid paths. The connector includes fluid paths which, when the cannula assembly is mounted to the syringe, place the fluid path of one of the tubes in fluid communication with one of the syringe body chambers and the fluid path of the other of the dual lumen tubes in fluid communication with the other of the syringe body chambers.

Abstract: The present invention proposes an apparatus (1) for collecting blood or a different fluid escaping from a wound area, the apparatus (1) comprising a contact device (17) for contacting blood or fluid within the wound area, wherein the contact device (17) comprises a multitude of pores (19) for absorbing the blood or fluid contacted by means of the contact device (17) within an interior of the contact device (17).

Abstract: An oral care suction device that includes a suction control port cover. The oral care suction device includes a body having a fluid flow passage formed therethrough. The body has a suctioning feature is located on or joined at its distal end. The body also has an attachment feature located at its proximal end. The oral care suction device also includes a suction control port located intermediate the distal end and proximal end of the body and configured to be covered by a finger or a portion of the hand of a user to alter the level of suction through the suctioning feature while allowing one hand operation of the suctioning device. The suction control port defines a channel from an exterior of the body to the fluid flow passage. A breathable fabric is positioned to cover the suction control port so that contact of the finger or portion of the hand of a user with liquids and particles drawn into and through the fluid flow passage during suctioning is minimized.

Abstract: The invention provides an instrument and methods for minimally invasive surgical scaling and/or planning procedures, thus reducing patient recovery time. Furthermore, the present invention overcomes the shortcoming in the prior art of inadequately preparing the diseased site or creating an aerosol by providing a device that is more mechanically abrasive by way of utilizing a rotational mechanical action of a plurality of bristles.

Abstract: A suction swab includes a suction tube having a hollow body provided with first and second open end portions and a bend portion. The hollow body includes a transverse bore arranged proximate to the second end which defines first and second openings. The resilient tip includes a main body having a first end section, a second end section and first and second opposing side sections and a central passage. The central passage extends through the main body and is open at each of the first and second end sections so as to define a first aperture arranged at the first end section and a second aperture arranged at the second end section. The resilient tip also includes a transverse passage that extends between one of the first and second opposing side sections and the central passage defining third and fourth openings which are smaller than the first and second openings.

Abstract: A flexible or adjustable housing for a surgical needle and a needle assembly that includes the housing. Adjustment of the length of the housing allows the needle to accommodate tooth canals of varying lengths, while providing the requisite support for the needle, without needing to adjust the actual length of the needle.

Abstract: An apparatus for maintaining a dry field during dental procedures includes a U-shaped tongue shield for holding the patient's tongue in a retracted position. Cheek distention arms extend laterally outward and forward from the tongue shield to distend the cheek away from the teeth. Lip retractors extend from the cheek distention arms in an arcuate shape above and below the cheek distention arms. Webbing extends between the lip retractors and cheek distention arms to support the soft tissue within the patient's mouth distal to the orbicularis oris muscle.

Abstract: A HVE tip that includes two tubular members, each of which is formed with a straight portion and a connecting portion, and one of the connecting portions is telescopically received within the other connecting portions so that the two tubular members can be rotated relative to one another between a plurality of configurations, including a straight configuration in which the axes of the two straight portions of the two tubular members extend generally parallel to one another and in the same plane, and a right angle configuration at which these axes extend generally perpendicular to one another in the same plane. An indexing connection is provided between the two connecting portions.

Abstract: A toothbrush includes: a hollow head portion defining a first fluid passage therein and having a bristle-mounting wall formed with a plurality of apertures in fluid communication with the first fluid passage; bristle bundles provided on the bristle-mounting wall, each of the bristle bundles being composed of a plurality of hollow bristles, each of the hollow bristles having a third fluid passage that has a connecting end in fluid communication with the first fluid passage and an open free end opposite to the connecting end; a hollow grip portion connected to the head portion and defining a second fluid passage therein, the second fluid passage being in fluid communication with the first fluid passage; and a suction unit connected to the grip portion and adapted to draw a fluid from an exterior of the bristle-mounting wall through the apertures and the third fluid passages.

Abstract: A combination placement tool and light device (10, 50) is disclosed which allows the dentist or surgeon to hold a dental appliance with a vacuum supplied to a flexible skirt (18, 90), position the dental appliance, and then tack the dental appliance in place with a light source (28, 60, 62) using light activated adhesive. The device (10, 50) can also be used to provide a full cure. The device (10, 50) can also have a source of drying air to aid the procedure. The device (50) can be used with a disposable molded acrylic collimator (76).

Abstract: A multi-lumen aspirator device having an elongated body with a plurality of lumens disposed therein for reducing the sound level generated during the operation of the device is disclosed. The elongated body defines a proximal opening that communicates with a distal opening through an inner conduit. The plurality of lumens is disposed within the inner conduit such that a central lumen of the plurality of lumens is surrounded by the remaining plurality of lumens such that laminar flow is established through the multi-lumen aspirator that promotes the reduction in sound generated by the multi-lumen aspirator device during operation.

Abstract: A suction device includes an elongated suction tube having a suction tip at a distal end thereof, and a proximal end that is connectable to a suction source. A collar is slidable along the suction tube from a retracted position to a deployed position. A sleeve is provided having a proximal end fixed relative to the proximal end of the suction tube, and a distal end configured with the collar so as to move therewith and cover the suction tube in the deployed position of the collar. A wiper seal is contained within collar in sliding frictional engagement around the suction tube.

Abstract: A nozzle for insertion into a tooth root canal, which can be inserted into the depths of the root canal, which enables a sufficient amount of fluid to be allowed to flow through it per unit time, and which can be easily produced, and a device for treating a tooth root canal, provided with the nozzle. A treating device (1) has an injection device (10) and a discharge device (20). The injection device (10) has a treatment liquid receiving container (14) and also has a supply nozzle (11) communicating with the treatment liquid receiving container (14) through a supply tube (13). The discharge device (20) has a suction nozzle (21) inserted from one end into a tooth root canal (610), a discharge tube (22) connected to the other end of the suction nozzle (21), a discharge pump (23) provided in the middle of the discharge tube (22), and a waste liquid receiving container (24) communicating with the suction nozzle (21) through the discharge pump (23).

Abstract: Disclosed is an evacuation tip that is adapted to be used with an evacuation apparatus for collecting the debris and fluids during dental procedures. The evacuation tip comprises a cylindrical body. The evacuation tip has a first end portion and a second end portion. The first end portion comprises at least one vent on a lateral surface of the evacuation tip and a cutout on the first end portion. The at least one vent is configured to suck the oral debris and fluids during the dental procedures. Further, the second end portion is connected to the evacuation apparatus. The evacuation tip is configured to transfer the oral debris and the fluids collected through the at least one vent from the first end portion to the evacuation apparatus connected to the second end portion.

Abstract: An oral device for improving airway patency comprises a tongue constraint and a negative pressure source. The tongue constraint engages the patient's tongue to maintain a clear region below the palate in an oral cavity. By applying a negative pressure in the clear region, an airway behind the soft palate or tongue of the patient can be maintained. The tongue constraint is usually connected to an anchor. The anchor may be held between the patient's teeth or may engage the inferior surface of the palate. Another oral device for improving airway patency comprises a lateral tongue structure and a negative pressure source.

Abstract: A tongue scraper comprising a tongue scraping portion and a hand piece connected to the tongue scraping portion. A fluid passageway is located in the hand piece, which is connected to an external vacuum device.

Abstract: A toothbrush includes: a hollow head portion defining a first fluid passage therein and having a bristle-mounting wall formed with a plurality of apertures in fluid communication with the first fluid passage; bristles provided on the bristle-mounting wall of the head portion; a hollow grip portion connected to the head portion and defining a second fluid passage therein, the second fluid passage being in fluid communication with the first fluid passage; and a suction unit connected to the grip portion and adapted to draw a fluid from an exterior of the bristle-mounting wall of the hollow head portion through the apertures and the first and second fluid passages.

Abstract: In an endodontic procedure, after the working of a root canal by instruments to remove material and shape the walls of the canal, irrigant is supplied via a microcannula. A vacuum is applied via a tube which is inserted partway down the root canal. The tube and microcannula pass through a material created by a standard dental filling material of a composite nature which provides a seal at a position near the top of the coronal opening. The irrigant is supplied in a manner sufficient to ensure delivery to a side vent of the microcannula. The vacuum at the end of tube draws the irrigant and debris up from the apex of the root canal into the tube. The side vent may have a plurality of more round holes, a diagonal slit, or a U shaped slit, or any other shape. The vent opening should not extend more than approximately 0.75 mm from the closed spherical tip of the microcannula, it must be burr free and the opening must be smaller than the internal diameter of the microcannula.

Abstract: A suction device includes an elongated suction tube having a suction tip at a distal end thereof, and a proximal end that is connectable to a suction source. A collar is slidable along the suction tube from a retracted position to a deployed position. A sleeve is provided having a proximal end fixed relative to the proximal end of the suction tube, and a distal end configured with the collar so as to move therewith and cover the suction tube in the deployed position of the collar. A wiper seal is contained within collar in sliding frictional engagement around the suction tube.

Abstract: A denture remover includes an elongated, hollow shaft having a lower end and an upper end with an angled portion at the upper end. A suction cup is attached to a distal end of the angled portion. A vacuum release tube extends from the suction cup to an air port within the shaft interior having a spring-biased valve normally positioned therein. A handle is slidably mounted on the shaft and is fastened to the valve. A denture is removed by fastening the suction cup thereto in a conventional fashion. A user simply grasps the handle and pulls the attached denture from the wearer's mouth. To release the denture, a user slides the handle to remove the valve from the port allowing air flow to the suction cup aperture thereby eliminating the vacuum created by the suction cup.

Abstract: The present application relates to a chemiluminescent saliva ejector. The chemiluminescent saliva ejector includes a first tube and a second tube positioned concentrically within the first tube: leaving a space between the first and second tube. The chemiluminescent saliva ejector also includes a deformable partition separating the space into a first chamber and second chamber, where chemiluminescent components are contained. Upon deformation of the deformable partition, the chemiluminescent components mix to produce luminescence.

Abstract: The protective sleeve for a saliva ejector is formed of a soft, porous plastic material for installation upon the end of a conventional ejector tube to protect the soft tissues within the mouth of a dental patient during dental work. The device has a generally cylindrical external configuration with a frustoconical installation passage formed concentrically therein. The installation passage has a relatively wide mouth and narrower neck portion within the intermediate portion of the sleeve. The installation passage widens within the distal end portion of the device, to provide clearance for the larger diameter head of the ejector tube. This results in a necked-down portion in the intermediate portion of the device. The distal end of the device is closed, with a larger diameter bulbed external portion providing further cushioning.

Abstract: A disposable cushioned aspirator which forms part of a dental or medical aspirating system. The disposable cushioned aspirator appliance described herein is intended principally to be used in dental and medical procedures where body fluids and rinse water is evacuated from the site of a procedure. An elongate tubular element has a connection end and a patient end. The patient end is exteriorly lined with a layer of soft cushioning material such as a soft thermoplastic elastomers, styrene based polymers, rubber or a porous polymer foam material to define an aspirator tip that protects the soft tissues in and around the mouth of a patient. The soft aspirator tip has external longitudinal pressure relief channels and recessed aspiration openings within the channels for control of aspiration characteristics.

Abstract: A saliva control device for controlling or isolating the production of saliva by a salivary gland. The saliva control device includes a body, a cavity formed in the body for forming a seal over the salivary gland, a vacuum chamber in the body that assists the cavity in forming a seal, and an air evacuation passage. The air evacuation passage is used to selectively apply and then maintain a vacuum to the vacuum chamber and cavity.

Abstract: A dental suction device includes a hollow tube having both flexibility and shape retainability. The tube has its both ends connected to a connector and is formed with suction holes. The connector can be connected to a vacuum source. A suction force produced by the vacuum source can thus be applied to the suction holes of the tube through a passage formed in the connector. The connector includes a valve for adjusting the degree of opening of the passage formed in the connector and thus the suction force applied to the suction holes. The valve includes a valve body mounted in the connector and a manual lever for controlling the valve body.

Abstract: A saliva ejector or eductor including an ejector tube having a suction end and a discharge end. The ejector tube has a wire embedded in the wall thereof adapted to allow the tube to be easily bent into a selected configuration and to retain that configuration. A hollow tip is secured to the suction end of the ejector tube. The tip has an upper face and a lower face. A plurality of tear-shaped openings extend solely through the upper face and communicate the interior of the tip with the exterior thereof.

Abstract: A bone piece collecting device, wherein, when bone pieces are mixing agitated with the other substances while preventing the loss of the cut bone pieces collected on a filter and contamination thereof by saliva by a self-bone transplanting method, a filter part is installed in a filter holder with impermeability to eliminate the operation for transferring the bone pieces to the other container, a collected bone container for filling bones is prevented from being fallen down by stably fixing the container to a cuff for operation or an operation table with an adhesive tape or a magic tape installed at the bottom part of the filter holder so as to facilitate the removal of the collected bones, and a gradient is marked on the transparent or semi-transparent material of the filter holder so that the amount of collected bones can be weighed easily.

Abstract: The invention provides a suction tip for dental treatment which has no possibility of causing a patient discomfort such as pain when its end portion touches the gingiva or oral cavity mucosa of the patient, and enables an easy suction operation and an easy attachment operation to a suction tube by its secured entire strength. The suction tip for dental treatment has a cylindrical shape as a whole, a front end portion of the cylinder is cut obliquely, and a back end portion thereof is cut vertically, thereby forming a back end opening portion and a front end opening portion. A front end portion which is to touch the gingiva or oral cavity mucosa of a patient is made of soft silicone rubber, and a cylindrical base portion continuing to this front end portion is made of hard silicone rubber. The soft silicone rubber forming the front end portion is gel silicone rubber.

Abstract: A soft disposable ejector tip 2 that can match the various contour of the mouth cavity is attached to a chamfer shape copper wire reinforced tube end 3. This tube is attached to a metal holder with finger control level to regulate the negative vacuum pressure needed to extract saliva or spray water inside the mouth during dental works.

Abstract: A sleeve for preventing backflow and cross-contamination between patients of fluid and particulate matter as well as other contaminants present within a dental/medical suctioning device. The sleeve includes a sleeve inlet end that sealingly attaches to and surrounds at least a portion of the suctioning device the vacuum hose to the evacuator tip. The sleeve also has a sleeve exhaust end that is inserted into the control valve and can reside within the interior lumen of the vacuum hose during normal suction operation. During operation, the sleeve provides a seal between the patient contact part and the control valve of the suctioning device. The proximate end collapses, seals, and/or provides a barrier when the suctioning device does not draw a vacuum away from the patient and towards the vacuum source.

Abstract: A dental hygiene device comprises a cup member including an attachment member that enables the device to be attached and detached to a suction tube adapted to be inserted into the mouth of a patient during polishing of the patient's teeth. The cup member holds a tooth polishing material that is accessed by a dental hygienist during polishing of a patient's teeth.

Abstract: An oral cavity device wherein a pump is driven with a cleaning head introduced in the oral cavity to suck residual matter in the oral cavity and to drain it into a waste liquid tank in order to clean the oral cavity, and wherein a water feed port of a water feed tube is provided in a waste flow passage of from an end of the cleaning head to a suction port of the waste liquid tank to increase negative pressure in the waste flow passage by feeding water through the water feed tube and, then, to suck the residual matter, at a breath with the increased negative pressure by no longer feeding the water.

Abstract: A device in a suction tube to be connected to a suction conduit for surgical or dental use to separate from the suction flow entrained particulate material. The suction tube being open at both ends and has a sieve element located therein. The sieve is inclined in relation to the axial direction of the suction tube in order that separated material shall be collected in a pocket formed at the suction end of the suction tube.

Abstract: What my invention brings that is new to the field of dentistry is the following: the saliva ejector tip which I have designed with holes in it rather than slots (as in existing tips) will not suck in snag or injure the delicate tissue of the floor of the mouth. Most of us have endured this unpleasant experience, as the saliva ejector is used during the majority of procedures in dentistry. As a dentist and as a patient this is a problem I would like to have eliminated in a simple and cost effective way.

Abstract: A saliva ejector construction prevents tissue at the bottom inside of the patient's mouth from being aspirated by the vacuum action of the saliva ejector, thereby preventing discomfort for the patient; and the structure of the saliva ejector provides a tissue contacting contour, so that it not only rests and acts comfortably at the bottom of the mouth but enables complete suctioning of the saliva. A saliva ejector tip provides the accomplishment of comfort and complete suctioning of the saliva by defining elongated, vertical openings, and a spherical surface to contact the patient's tissue.

Abstract: An oral cavity cleaning device including a cleaning head having a liquid feed port and a waste port, a liquid feed passage connected to the liquid feed port through which liquid is fed, via a pump, to the cleaning head and into the oral cavity via the liquid feed port to wash the oral cavity, a waste passage connected to the waste port through which waste liquid in the oral cavity sucked and drained in the cleaning head, and a cleaning member mounted on the cleaning head covering the liquid feed port and the waste port, the cleaning member being made of a porous material having liquid-permeating property. The cleaning member is substantially cylindrical in shape and includes a hole into which the cleaning head is removably inserted.

Abstract: A dental hygiene device comprises a cup member including an attachment member that enables the device to be attached and detached to a suction tube adapted to be inserted into the mouth of a patient during polishing of the patient's teeth. The cup member holds a tooth polishing material that is accessed by a dental hygienist during polishing of a patient's teeth.

Abstract: A saliva ejector construction prevents tissue at the bottom inside of the patient's mouth from being aspirated by the vacuum action of the saliva ejector, thereby preventing discomfort for the patient; and the structure of the saliva ejector provides a tissue contacting contour, so that it not only rests and acts comfortably at the bottom of the mouth but enables complete suctioning of the saliva. A saliva ejector tip provides the accomplishment of comfort and complete suctioning of the saliva by defining elongated, vertical openings, and a spherical surface to contact the patient's tissue.

Abstract: A toothbrush which includes a handle with a head portion at one end, a recess in the head, a bristle pack located in the recess with the bristles attached by one end to the base of the recess, the recess opening being bounded by inwardly directed shoulders, and the outer extremities of the bristles lying in abutting relationship with the inner faces of the shoulders. There is a fluid supply line provided along or through the handle and communicating with the recess. Preferably, the bristle pack is formed by a number of clusters of bristles, it being the outermost clusters that are in close abutting relationship with the edges of the shoulders of the recess, and adjacent clusters at least at the edges of the pack being in close but spaced relationship.

Abstract: A device in a suction tube to be connected to a suction conduit for surgical or dental use to separate from the suction flow entrained particulate material. The suction tube being open at both ends and has a sieve element located therein. The sieve is inclined in relation to the axial direction of the suction tube in order that separated material shall be collected in a pocket formed at the suction end of the suction tube.

Abstract: A method and valve are disclosed for preventing bacterial contamination from being introduced by backflow from a saliva evacuator, particularly cross contamination of dental patients by previous patients as well as contamination from biofilm which is growing in the lines. The backflow may contain bacteria, viruses and other pathogens from previous patients or from the biofilm contamination of the lines.

Abstract: Devices and methods for the application of materials to an interior space of a tooth, such as the extirpated pulp chamber and/or root canals of the tooth subsequent to root canal surgery. The device has one or more syringe-like pistons and associated chambers for drawing a vacuum within an extirpated pulp chamber and applying cleansing, sealing, and/or filler materials into the tooth under continued vacuum pressure to ensure complete and thorough application.

Abstract: The invention is a self supporting oral evacuation hose consisting of a post, a base for supporting the post in a substantially vertical orientation, a flexible evacuation hose, an evacuation tip operatively coupled to one end of the hose, a hose coupling connector located on the other end of the hose, and an arm having a distal end. The arm is secured to the post and the evacuation tip is positioned on the distal end of the arm. The arm is adapted to selectively position the evacuation tip relative to the post. The arm may be hollow to permit a portion of the hose to be contained in the hollow of the arm. The arm is preferably articulated in the manner of a goose neck and bendable such that the distal end can be positioned as desired. A valve may be positioned at the distal end to control the evacuation tip. A platform may also be mounted to the post to act as a stand for x-ray print outs or the like.

Abstract: A waste liquid tank B is connected to a cleaning head 60 through a waste tube 25. Squeezing means 61 is provided in a waste flow passage of from an end 60a of the cleaning head 60 to a suction port b of the waste liquid tank B to squeeze the waste flow passage. A pump A is driven with a cleaning head 60 introduced in the oral cavity to suck the residual matter in the oral cavity and to drain it into the waste liquid tank B in order to clean the oral cavity. When the residual matter cannot be sucked with a normal suction force, the waste flow passage is squeezed by the squeezing means 61 to increase the negative pressure in the waste tube 25. Thereafter, the squeeze is released to suck the residual matter at a breath with the increased negative pressure.

Abstract: A handheld cleaning device includes a cleaning section having discharge and suction ports; and a pump for causing fluid to be discharged through the discharge port of the cleaning section and for simultaneously creating suction at the suction port of the cleaning section.

Abstract: A readily disposable aspiration unit that can be connected to various dental instruments of conventional design including ultrasonic scalers. The aspiration unit includes a novel suction means for automatically carrying away from the operative field cooling water and debris generated during the performance of the scaling procedure. The unit further includes a tip-encompassing shroud that uniquely functions as a suction scoop for automatically capturing aerosols in the operative field including aerosols containing saliva, blood, tissue, calculus and like adherent deposits, which are generated during the scaling procedure.

Abstract: A readily disposable aspiration unit that can be connected to various dental instruments of conventional design including ultrasonic scalers. The aspiration unit includes a novel suction means for automatically carrying away from the operative field cooling water and debris generated during the performance of the scaling procedure. The unit further includes a tip-encompassing shroud that uniquely functions as a suction scoop for automatically capturing aerosols in the operative field including aerosols containing saliva, blood, tissue, calculus and like adherent deposits, which are generated during the scaling procedure.

Abstract: A deformable disposable high volume aspirator comprising a flexible conduit for the transmission of aspirated fluids, a means for selectively deforming said flexible conduit, a means for diffusing suction during high volume aspiration, and a means for connecting said flexible conduit to a vacuum valve. The present invention overcomes the shortcomings of the prior art by providing an aspirator that is disposable having a flexible deformable conduit member with a malleable metal wire that may be selectively shaped to fit into a patient's mouth whereupon a source of vacuum having been connected to a distal end by means of a connection member and a suction tip on the other distal end can remove a large volume of matter from a patient mouth without lodging onto a patient's cheek or gums that may cause discomfort. The suction tip has a plurality of furcations and a central structure member forming apertures within the suction tip.