Abstract: Embodiments of the present invention provide devices, systems, and methods for implanting and using a connector in a tissue wall to establish, maintain, control, and close a fluid communication between opposing surfaces of the tissue wall. The connector may include an anchoring device, a port, and a coupler device. The anchoring device may be configured for advancing at least partially through the tissue wall. The port may be positioned about a proximal end of the anchoring device, and the port may define an aperture therethrough. The coupler device may be positioned about a proximal end of the port, and the coupler device may be configured for coupling to a medical device.

Abstract: A system for omni-orientational wireless energy transfer is described. A transmitter unit has a transmitter resonator with a coil that is configured to be coupled to a power supply to wirelessly transmit power to a receiver unit. A receiver unit has a receiver resonator with a coil coupled to a device load. At least one of the resonators is a non-planar resonator that spans a non-degenerate two-dimensional surface having at least one concave portion.

Abstract: The present invention relates to a method of determining the pressure or of a parameter correlated with the pressure in an extracorporeal circuit of a blood treatment apparatus, in particular of a dialyzer, wherein at least one blood pump which is driven by at least one motor is located in the blood circuit, wherein the motor current of the named motor and the blood flow or a parameter correlated therewith is measured for determining the pressure or the parameter correlated therewith and wherein the pressure p or the parameter correlated therewith is calculated from the measured values.

Abstract: The invention relates to a device for degassing liquids, in particular liquids used in dialysis. Liquids to be degassed are treated by ultrasound in a degassing unit and are discharged from the degassing unit through a hollow channel in the ultrasonic sonotrode for further use.

Abstract: A system for performing a peritoneal dialysis therapy includes at least one dialysis fluid pump, and a control unit operable with the at least one dialysis fluid pump to perform a plurality of peritoneal dialysis cycles, the cycles including a fill phase, a dwell phase and a drain phase. The control unit configured to (i) store a previously entered continuous cycling peritoneal dialysis (“CCPD”) therapy having a total prescribed fresh dialysate fill volume delivered over n cycles, the cycles performed over a total therapy duration, and (ii) automatically convert the CCPD therapy into a tidal peritoneal dialysis therapy having n+1 cycles, less a number of cycles already completed during the CCPD therapy, using the total prescribed fresh dialysis fill volume, and maintaining the total therapy duration.

Abstract: Disclosed is a filling and recirculation device of a fluid conducting system for blood treatment which has a fluid connector and a three-dimensional four-way valve with a first valve plane on which an inlet connector for the fluid container, an arterial line connector, and a valve-internal coupling connector are arranged and a second valve plane on which an outlet connector and a venous line connector are arranged. The venous line connector is permanently connected with the valve-internal coupling connector. A manually operable valve rotary piston of the four-way valve has a first control section assigned to the first valve plane and a second control section assigned to the second valve plane.

Abstract: A lavage unit with a handpiece that includes a handgrip and a barrel. The angular orientation of the barrel relative to the handgrip can be selectively set. The handpiece can thus take the form of a pistol-shaped tool, a wand or an intermediate shape between a pistol and a wand.

Abstract: Disclosed herein are a medical imaging apparatus including a scanner configured to scan an object, an image generator configured to generate a monitoring image to monitor variations in brightness of a region of interest (ROI) of the object, a controller configured to determine a peak of brightness in the monitoring image, and a user interface configured to display the monitoring image and an indicator of the determined peak, and a method of controlling the same. According to the medical imaging apparatus and the method of controlling the same, over-injection of a contrast agent into the object may be prevented while a medical image is acquired, and an image may be obtained when the contrast agent is in an optimum state in consideration of various environmental factors. Accordingly, lesions and diseases may be more accurately determined and interpreted by using the medical image.

Abstract: A delivery device includes a durable housing portion and a separable disposable portion that selectively engage and disengage from each other. The disposable housing portion secures to the patient and may be disposed of after it has been in use for a prescribed period. Components that normally come into contact with a patient or with infusion media are supported by the disposable housing portion for disposal after the prescribed use, while the durable housing portion supports other components such as electronics for controlling delivery of infusion media from the reservoir and a drive device and drive linkage.

Abstract: A modular external infusion device that controls the rate a fluid is infused into an individual's body, which includes a first module and a second module. More particularly, the first module may be a pumping module that delivers a fluid, such as a medication, to a patient while the second module may be a programming module that allows a user to select pump flow commands. The second module is removably attachable to the first module.

Abstract: A method for filling a cylinder/piston unit (1) for a needle-free injector comprising a chamber (3) arranged in a cylinder (2), for receiving an injection solution (4), a front wall (5) having at least one nozzle borehole or an outlet element (6), and a second piston (7) arranged to move in the chamber. The chamber (3) is made in two parts with a first chamber (8) and a concentric second chamber (9) having a smaller cross section than the first chamber. A first piston (10) closes the first chamber (8) and the second piston closes the second chamber (9). The second piston comprises at least one flow channel (16) or the first chamber comprises at least one closable, axially oriented freeze-drying channel (34), and the second chamber (9) comprises at least one axially oriented flow channel (36), on the respective rear ends of the chambers (8, 9).

Abstract: Apparatuses and methods for delivery of fluid materials, particularly multi-part fluid materials, including modular apparatuses in which various components are maintained separately until ready for use. Each fluid component is maintained in a separate housing until mixing of the fluid components is desired. Maintaining components separately until use allows for proper filling, sterilization, packaging and storing until use.

Abstract: The present invention relates to a medicament delivery device comprising a drive means configured to act on a medicament container for expelling a medicament; a holding means configured to hold said drive means in a pre-tensioned state; an activation means configured to interact with said holding means for releasing said drive means from the pre-tensioned state; wherein the device further comprises feedback means configured to interact both with said holding means and with said drive means for generating an audible and/or tactile and/or visual signal indicating that the medicament has been completely expelled.

Abstract: A display assembly for a drug delivery device (100) is provided. The display assembly comprises a housing (10) having a proximal end (17), a distal end (16) and a longitudinal axis (x). The display assembly further comprises a display member (120) defining a display member window (122), wherein the display member (120) is rotationally locked to but movable with respect to the housing (10) along the longitudinal axis (x). The display assembly further comprises an indication member (60) comprising indicia (66) and a movable member (110) which is rotationally coupled to the indication member (60). The movable member (110) is further coupled to the display member (120) and rotatable with respect to the housing (10). When the movable member (110) is rotated with respect to the housing (10), the rotating movable member (110) moves the display member (120) axially with respect to the housing (10) to display different indicia (66) through the display member window (122).

Abstract: A supplemental device for attachment to an injection device including a dosage window covering a sleeve on which dose values are marked is disclosed. The supplemental device comprises a main body; an arrangement for supporting the main body of the supplemental device in a predetermined positional relationship with the injection device; a transparent protection window located at a surface of the main body that is aligned with the dosage window of the injection pen when in use; a sensor arrangement supported in the main body and having a sensor directed at the protection window; an illumination arrangement comprising one or more sources of light, each of the one or more sources of light being directed at the protection window; and a dispersing part, which may be diffusing or scattering, located on an optical path between a first one of the one or more sources of light.

Abstract: A filtered needle for use in administering a liquid payload, including a needle and connector portion and a filtering needle cap. The filtering needle cap including a distal open end in fluid communication via an internal channel with a proximal open end of the filtering needle cap. The filtering needle cap proximal end sized to receive the distal end of the hub within the proximal end of the filtering needle cap to reversibly engage the hub when needle distal end is inserted into the internal channel. The filtering needle cap including a filter element and a seal to seal around an outside diameter of the hollow needle so that liquid payload is drawn into the lumen in the hollow needle as liquid payload is filtered and drawn into the fluid fitting. The filtering needle cap is designed to limit a dead volume of liquid payload drawn into the filtering needle cap but not entering into the distal end of the hollow needle.

Abstract: The invention refers to a handheld injection device comprising a housing (10; 340) containing a cartridge (20), a dose setting means (60, 70; 350) being operable in a first direction to set a desired dose to be dispensed, a piston rod (30) being adapted to cooperate with a piston so as to cause a set dose to be injected from the cartridge (20), and a first clicker component (100; 320), which is largely rotationally constrained to the housing (10; 340), and a second clicker component (80; 300), which is rotatable relative to the housing (10; 340) during dose dispensing. The clicker components (80, 100; 300, 320) are adapted to contact each other only at the end of dispensing of a set dose to thereby provide an audible and/or tactile first feedback to a user. The first clicker component (100; 320) is displaceable relative to the housing (10; 340) between a proximal dose setting position and a distal dose dispensing position.

Abstract: The present invention relates to a drive mechanism of a drug delivery device for dispensing of dose of a medicament, the mechanism comprising: —an elongated housing (30) extending in an axial direction (1, 2), —a piston rod (80) to operably engage with a piston (16) of a cartridge (14) to displace the piston (16) in a distal axial direction (1), —a drive sleeve (50) extending in axial direction (1, 2) and being rotatable against the action of a spring (68) during a dose setting procedure, —a dispensing sleeve (70) rotatably engaged with the piston rod (80) and being displaceable in axial direction (1, 2) relative to the drive sleeve (50) to engage with the drive sleeve (50) in a torque transmissive way during a dose dispensing procedure.

Abstract: A syringe 1 comprises a barrel 2 and a plunger 3 sliding in the barrel and having a seal 8 in sealing engagement with an internal surface of the barrel, the barrel having a piercing member 20 with a piercing point 27 and an aperture 26 at its distal end. The aperture 26 is in communication with the distal end of the barrel, and the distal end of the barrel has a connection member 28 to which an adapter member 36 provided with an intradermal needle 39 is adapted to be attached. An intradermal injection adapter 36 for a syringe is also provided, the adapter comprising a body 37 having an intradermal needle 39 at a distal end, and a proximal end constructed and arranged for attachment to the barrel, the body also providing a fluid connection between the barrel 2 and the intradermal needle 39.

Abstract: The present invention relates to a drive mechanism for a drug delivery device and to a respective drug delivery device, wherein the drive mechanism comprises: —an elongated housing (20) extending in an axial direction (1, 2), a piston rod (70) to operably engage with a piston (16) of a cartridge (14) to displace the piston (16) in an axial distal direction (1), —a drive sleeve (50) rotatably supported in the housing (20) and being operably releasable from the piston rod (70) for setting of a dose and being operably engageable with the piston rod (70) for dispensing of the dose, —a dose limiting member (60) engaged with the drive sleeve (50) and engaged with the piston rod (70) in such a way, that it is displaced in axial direction (1, 2) relative to the drive sleeve (50) when the drive sleeve (50) rotates relative to the piston rod (70) during a dose setting procedure, and at least one stop (42, 56; 78) to engage with the dose limiting member (60) for limiting the axial displacement of the dose limiting membe

Abstract: The present invention relates to a drive mechanism of a drug delivery device for dispensing of a dose of a medicament, the mechanism comprising:—a housing (30, 120) extending in an axial direction (1, 2),—a piston rod (90) to operably engage with a piston (16) of a cartridge (14) to displace the piston (16) in an axial distal direction (1),—a drive sleeve (40) extending in axial direction (1, 2) and being rotatable in a dose incrementing direction (4) against the action of a spring (48) enclosing at least an axial portion of the drive sleeve (40),—a dose limiting member (110) threadedly engaged with the drive sleeve (40), rotatably locked to the housing (30, 120) and at least partially extending radially between the drive sleeve (40) and the spring (48),—at least one stop (44, 47, 113, 114) located on at least one of dose limiting member (110) and drive sleeve (40) for limiting an axial displacement of the dose limiting member (110) relative to the drive sleeve (40).

Abstract: An assembly for a drug delivery device is provided, the assembly having a compression spring, wherein the compression spring is compressed during the setting of a dose of a drug. The assembly further comprises a sleeve member, wherein the compression spring is in direct contact with the sleeve member and wherein the compression spring and the sleeve member are configured such that a relaxation of the compression spring effects a rotational and an axial movement of the sleeve member in a proximal direction, thereby causing a dispensing of a dose from the drug delivery device.

Abstract: Handheld drug injection device (10) for setting and dispensing of a dose of a medicament, having a housing (20) extending in an axial direction (1, 2) and a dose setting and drive mechanism (3) comprising: —a rotatable dose setting member (50) in a sidewall of the housing and engaging two dose indicating wheels (54,56), —a drive member (70) axially displaceable relative to a drive spindle (80) and the housing against the action of a spring element (78) during dose setting and having a sleeve-shaped part (72) being threadedly engaged with the drive spindle (80) to form a spindle gear, and having a rack portion (71) engaged with a gear wheel (58) of the dose setting member, —the drive spindle (80) being linked on its proximal end to a ratchet mechanism (140,150) which is releasable via an axially shiftable trigger button (40) for dose dispensing, and on its distal end via a pinion (86) to a —drive sleeve (90), the latter being axially shiftable to form a clutch for engagement with —a threaded piston rod (120),

Abstract: The invention refers to a handheld injection device comprising a housing (10; 210; 410), a piston rod (30; 230; 530), defining a first longitudinal axis (I) and located within the housing (10; 210; 410), a driver (40; 241, 242; 500) coupled to the piston rod (30; 230; 530), a dose setting means (60, 70), which is rotatable about a second longitudinal axis (II) during dose setting, and optionally a power reservoir (90; 290; 10) for driving the driver (40; 241, 242; 500) and/or a release clutch (15, 45; 300; 06) preventing rotation of the driver (40; 241, 242; 500) during dose setting and allowing rotation of the driver (40; 241, 242; 500) during dose dispensing. The first longitudinal axis (I) is spaced from the second longitudinal axis (II).

Abstract: The invention refers to a handheld injection device comprising a housing (10, 20, 30), a piston rod (60), defining a first longitudinal axis (I) and located within the housing (10), a driver (70, 80, 90) coupled to the piston rod (60), a dose setting means (40), which is rotatable during dose setting, a power reservoir (100) for driving the driver (70, 80, 90), and a number wheel (130) for displaying a dose set by the dose setting means (40).

Abstract: The present invention relates to a dispensing speed control mechanism for use in an injection device. The injection device may have a housing (10, 30, 40; 40?; 40?; 40??) and a drive member (70), which is driven by a power reservoir (100, 100?) and axially movable between a dose setting position, in which the drive member (70) is rotationally constrained to the housing (10, 30, 40; 40?; 40?; 40??), and a dose dispensing position, in which the drive member (70) is rotationally de-coupled from the housing (10, 30, 40; 40?; 40?; 40??). The speed control mechanism comprises friction means (42) for retarding the drive member (70) during dose dispensing depending on the axial position of the drive member (70). Further, the invention relates to an injection device with such a dispensing speed control mechanism.

Abstract: It is an object of the present invention to provide a syringe which is capable of preventing an accident such that a patient inadvertently sticks her/his hand with an injection needle when improperly performing a needle retracting operation. A sleeve (10) is fitted around a syringe barrel (2) so as to be axially movable from an administration position such that the injection needle (5) projects to a distill side to an accommodation position such that the injection needle (5) is accommodated. A coil spring (16) for biasing the sleeve (10) toward the accommodation position is provided between the sleeve (10) and the syringe barrel (2), and is held in a compressed state in a spring holder (17). The spring holder (17) is disposed in association with the syringe barrel (2) so as to release the coil spring by further pushing the syringe barrel (2) to the distal side after completion of the administration of a liquid drug.

Abstract: A self-righting tip cap includes a cap body having a generally oblate spheroid external shell geometry defining a first end and a second end. The first end has a base surface, and at least one clip extends from the body towards the second end. A coupling element accessible from the second end provides removable attachment of the tip cap to a cooperating coupling of a syringe or other female ENFit connectors. The geometry of the tip cap causes it to tend toward uprighting itself when dropped onto a flat surface, such that the base surface is in contact with the flat surface and the coupling element is accessible in an upward facing orientation. According to example forms, at least one rib of a female coupling can become interengaged with at least a portion of the clips such that the self-righting tip cap can be pulled and/or rotationally moved relative to the female coupling to be removed therefrom.

Abstract: An apparatus and method for delivery of fluids, particularly biological, reactive fluids. The apparatus provides an opening when force is acted on the apparatus, and closure when no force is acted thereon. The apparatus provides a cleaning mechanism to remove fluids and other materials from a mixing space after use.

Abstract: The present invention generally provides a device for inserting needles and alleviating the discomfort associated with needle insertion. In certain embodiments, the device is suited for injecting butterfly needles and particularly butterfly needles that are attached to infusion tubing. The patient or caregiver loads a butterfly needle with tubing attached into the base of the drive plunger. The needle with tubing attached is retracted into the housing of the device by retracting the inner plunger. Once retracted, the device is activated and ready to administer a needle into the tissue of a patient. The device is then placed on the location of the skin where injection is desired. The surface that contacts the skin may be textured and may include a contact switch that causes the device to vibrate when slight pressure is applied through contact with the skin.

Abstract: Certain embodiments described herein are directed to methods and system that can be used to pressure isolate tissue regions including soft and hard tissues. In some instances, a systemically toxic concentration of an agent can be introduced into a pressure isolated region to treat a disorder of the region. In certain configurations, a system including a pressure member may be used to pressure isolate the region.

Abstract: A lighted syringe shrouding device lights an injection site while shrouding a syringe from view to reduce patient anxiety. The device includes an elongated tube configured to receive a syringe such that a needle of the syringe is extendable out of a first end of the tube and a plunger of the syringe is accessible through a second end. A rib extending from an interior surface of the tube engages the syringe allows the needle of the syringe to be positioned fully within the tube until ready for being fully extended from the tube. A light is coupled to the tube to illuminate an injection site adjacent to the first end of the tube.

Abstract: A nebulizer includes a nebulizing circuit, a power circuit, a sampling circuit, a filtering circuit and a controlling circuit. The nebulizing circuit includes a piezoelectric actuator. During operation of the piezoelectric actuator, the liquid is nebulized. The power circuit selectively provides electric power to the nebulizing circuit so as to power the nebulizing circuit. A harmonic signal generated by the piezoelectric actuator at a working frequency is sampled by the sampling circuit. A specified frequency of the harmonic signal is retrieved by the filtering circuit. The controlling circuit controls operations of the power circuit and receiving the specified frequency of the harmonic signal. By comparing the specified frequency with a predetermined frequency, the controlling circuit judges whether the liquid is exhausted. Once the liquid is exhausted, the controlling circuit controls the power circuit to stop providing the electric power to the nebulizing circuit.

Abstract: Handheld carboxy therapy applicators are disclosed. In one implementation, a handheld carboxy therapy applicator includes a heater module, a humidification module, and a hypodermic needle. The heater module is configured to receive a flow of gas and to warm gas within the flow of gas. The humidification module is in fluid communication, such as in a serial connection, with the heater module. The humidification module is configured to receive the flow of gas from the heater module and to humidify the gas within the flow of gas. The hypodermic needle is in serial connection with the humidification module. The hypodermic needle is configured to receive the flow of gas from the humidification module and to inject the flow of gas into a tissue of a patient.

Abstract: A pulmonary drug delivery device having one or more vortexing elements which impart beneficial flow characteristics to an inspiratory air flow carrying a medicament into the patient's lungs.

Abstract: A respiratory device includes a host, a pressure sensor and a connecting module. The host includes a first airflow channel and a first shell. The first shell includes a communication part running through the first shell. The pressure sensor is installed in the host and connected with the communication part. The connecting module includes a second airflow channel, a filter and an airflow guiding part. The second airflow channel is in communication with the first airflow channel. The filter is used for filtering an airflow from a breathing tube. A first end of the airflow guiding part is in communication with the communication part, and the unfiltered airflow is introduced into a second end of the airflow guiding part. A pressure level of the unfiltered airflow is detected by the pressure sensor through the communication part and the airflow guiding part.

Abstract: An equipment for rehabilitative respiratory physiotherapy is described, comprising a mask or mouthpiece, supplying means to supply air to the mask or mouthpiece, a pressure gauge arranged in fluidic connection with the mask or mouthpiece and means for producing pneumatic vibrations in the air supplied to the mask or mouthpiece. The supplying means supply an air flow rate lower than 250 cm3/s, or lower than 15 liters/minute, at a pressure substantially equal to the atmospheric pressure. The pressure gauge is designed to detect the depression the self-sufficient patient generates in the mask or mouthpiece when he/she starts inhaling air and to generate a corresponding activation signal of the means for producing pneumatic vibrations.

Abstract: A positive pressure device used with an air source which provides transmission of continuous positive pressure into the lungs using an inspiratory line and a one-way valve associated with the inspiratory line. This one-way valve will not allow exhaled air to return through the inspiratory line. The pressure in the device may be measured with a monitor line which is connected to the air source and the disclosed positive pressure device. An adjustable positive end expiratory pressure valve connected to the expiratory line restricts flow of the exhaled air while permitting release of the exhaled air from an expiratory line to atmospheric pressure. The adjustable positive end expiratory pressure valve is configured to cooperate with the one-way valve to permit adjustment of an inflation pressure of the lungs of the patient.

Abstract: An air delivery system includes a controllable flow generator operable to generate a supply of pressurized breathable gas to be provided to a patient for treatment and a pulse oximeter configured to determine a measure of patient effort during a treatment period and provide a patient effort signal for input to control operation of the flow generator.

Abstract: A breathing device comprises a respiratory gas source for generating a gas pressure for a patient, delivered by a respiratory mask, a measuring unit for measuring a measurement quantity characteristic of inhalation or exhalation, and a control unit which determines the patient's tidal volume from the measurement quantity and compares this with a setpoint value of the tidal volume. The control unit regulates the respiratory gas source such that the generated gas pressure is made available until the setpoint value of the tidal volume is reached. In addition, further regulation of a parameter characteristic of the patient's breathing is carried out. The method for controlling a respiratory gas source with a control unit for a patient's breathing comprises regulation of the patient's tidal volume by providing and applying inspiratory pressure and simultaneous regulation of a further breathing parameter.

Abstract: A kit for ventilating a patient incapable of normal ventilation with current anesthetic techniques due to a risk for airway obstruction in surgical procedures requiring conscious sedation monitored anesthesia care (MAC). Includes a single-lumen endopharyngeal nasal tube with an eye shaped opening at its distal end and a cylindrical proximal end used as an adaptor for anesthetic applications such as positive airway pressure via Jackson-Reese modified ambu-bag or other various anesthesiology applications. Contiguous to the distal end of the nasal tube is an end-tidal CO2 monitoring port (ETCO2). On the distal end of the flexible nasal ventilation tube is an eye opening allowing air flow to the posterior pharynx. The kit further includes a modified Jackson-Reese ambu bag which allows for controlled airflow to the patient during a procedure.

Abstract: A method of providing a range of different sized masks for fitting to a patient includes providing a first mask having an upper lip engagement surface having a first concavity and a first nasal envelope and providing a second mask having an upper lip engagement surface having a second concavity different than the first concavity and a second nasal envelope.

Abstract: An infant nasal interface mask for use with a nasal continuous positive airway pressure (nCPAP) system including a mask body and a base. The mask body forms a cavity and is defined by a leading portion, an intermediate shell portion, and a trailing portion. The leading portion terminates in a leading edge forming an aperture open to the cavity and having a generally triangular shape for placement over a patient's nose. The trailing portion includes a bellows segment characterized by an increased flexibility as compared to a flexibility of the intermediate shell portion. The base extends from the trailing portion opposite the leading portion and forms at least one longitudinal passage extending through a thickness of the base and fluidly connected to the cavity. The intermediate shell portion is laterally pivotable relative to the base via the bellows segment.

Abstract: A multifunction oxygen mask comprises a mask body and a gas delivery adapter. A nasal chamber is formed in the upper portion of the mask body. An access aperture is formed through and adjacent to a lower portion of the mask body. The access aperture permits access to the mouth of a patient. The gas delivery adapter includes a first end coupled to a gas delivery adapter aperture of the mask body. An oxygen supply port radially extends outward from the gas delivery adapter. The oxygen supply port includes an external inlet portion, an outlet portion positioned within the gas delivery adapter, and a diverter member adjacent to the outlet portion. The diverter member is configured to direct a flow towards the first end of the gas delivery adapter. A meter-dose inhaler port radially extends outward from the gas delivery adapter. The gas delivery adapter includes a nebulizer port.

Abstract: A pad for a forehead support includes an outer wall having a first side configured to engage a user's forehead and a second side having engaged surfaces configured to rest against engaging surfaces of the forehead support; at least one retaining wall provided between the first side and the second side; and at least one retained portion configured to be retained by a retainer formed on the forehead support, wherein a space is defined between the outer wall and the engaged surfaces. The space has a substantially constant cross sectional profile, and the outer wall, the at least one retaining wall, and the engaged surfaces are formed of a deformable elastomeric material. Deformation of the pad occurs by deflection of at least the outer wall and the at least one retaining wall.

Abstract: A cannula device including: a nasal cannula having nasal pipes; respiration-gas flow tubes connected to the nasal cannula; an adaptor pipe communicated with the respiration-gas flow tubes; a connector pipe removably attached to the adaptor pipe; and a respiration-gas supplying tube connected to the connector pipe, in the cannula device, one of the adaptor pipe and the connector pipe is a female member having a receiving part and the other is a male member having an inserting part; and the male member is removably inserted into the female part, and the cannula device further including: a ring-shape part formed on a base-end part of the inserting part as a protruding ridge or a recessed groove extending on whole circumference of the inserting part; and a lock piece formed on the receiving part, having a projection part locking the ring-shape part of the inserting part inserted in the receiving part.

Abstract: An interface assembly includes an interface, such as a mask, that is secured to a head using a headgear assembly. The headgear assembly can include at least one halo portion and a plurality of straps. The headgear assembly can include both a front halo portion and a rear halo portion. In some arrangements, the headgear and mask define an adjustable closed loop. In some arrangements, the headgear can include one or more rigid portions that contact the user's face to at least partially isolate a seal of the mask from tightening forces applied to the headgear. In some arrangements, the mask is an oral-nasal mask and the headgear applies a force to the mask comprising an upward force component. In some arrangements, the headgear can be contoured to the user's head.

Abstract: Mask interfaces having mask frames and mask seals are disclosed. Headgear and breathing conduits can be connected to the mask interfaces. The connection between the mask seals and the mask frames can enable movement of the mask seals relative to the mask frames. The relative movement may be at the mounting locations of the mask seals and mask frames.

Abstract: A breathing assistance apparatus adapted to deliver humidified gases at a desired level of humidity to a patient including a humidifier and a heated conduit is disclosed. The humidifier includes a controller which controls the humidifier, or the humidifier and the heated conduit to deliver the gases to the patient at the required humidity or temperature, without the requirement for sensors in the gases stream. The controller uses information already available to the controller, without the requirement for additional information to be provided by sensors in the gases stream. This means the need for sensors in the gases stream is dispensed with. A significant benefit is achieved as sensors are not required in the conduit and thus the apparatus is simple and less bulky.

Abstract: A catheter includes a shaft extending from a proximal end to a distal end and a sheath which extends along the length of the catheter shaft. The sheath includes a compliant material and is expansile for fluid delivery from a distal end of the sheath to the proximal end of the catheter. The sheath is connected to a Luer on the proximal end of the catheter. Upon injection of fluid/particles through the Luer, the sheath expands to provide a temporary lumen which facilitates flow of fluid/particles from the proximal end of the catheter to an opening or opening adjacent to the distal end of the sheath and at or near the distal end of the catheter shaft for delivery of the fluid/particles into the vessel. Upon cessation of injection pressure, the sheath automatically contracts to provide a lower profile to easily accommodate repositioning/removal of the catheter.