Abstract: A drip chamber for an infusion tube, including: a first end including a drip tube; a second end including an exit port; and a wall connecting the first and second ends and including an interior surface with a hydrophobic portion. The drip chamber includes a space enclosed by the interior wall and the first and second ends. The hydrophobic portion of the interior surface repels liquid contacting the hydrophobic coating. The hydrophobic portion of the interior surface enables light to refract through the hydrophobic portion and the wall in the same manner as is the case when the hydrophobic portion is not present on the interior surface.

Abstract: A drug delivery device includes a housing defining a shell and an inner volume, a container, a drive mechanism, a needle assembly, a fluid flow connection, and a backflow prevention mechanism. The container has an inner volume to contain a medicament to be administered to a user. The drive mechanism is at least partially disposed within the housing and exerts a force to urge the medicament out the container. The fluid flow connection is coupled to the container and the needle assembly and allows the medicament to flow from the container to the needle assembly to be administered. The backflow prevention mechanism is associated with at least one of the container, the fluid flow connection, or the needle assembly and includes at least one flow restrictor to restrict a fluid from flowing from the needle assembly to the container.

Abstract: A medical pump, in particular an infusion pump for conveying a medium, includes a seating for a hose clamp which is separate from the pump and arranged on the hose. Two clamping portions of the hose clamp which can be moved relative to each other can be transferred into a closed relative position in which they pinch off the hose arranged therebetween in such a manner that it is not possible for any medium to flow through the interior of the hose. Moreover, the clamping portions can be moved with respect to each other into an opened relative position in which the hose arranged between the clamping portions is not pinched off, so that the medium is able to flow through the interior of the hose. The pump is distinguished in that a sensor is provided thereon, in particular in the seating for the hose clamp, which sensor detects at least when the hose clamp is received in the seating—whether their clamping portions are in the closed or opened relative position.

Abstract: A drug delivery device comprises first and second liquid drug reservoirs and first and second outlet ports. A drive is configured for expelling a first liquid drug from the first reservoir to the first outlet port and for expelling a second liquid drug from the second reservoir to the second outlet port. A memory is provided that contains a drug dosing scheme specifying a desired liquid drug type, and at least one sensor is provided that detects information concerning the type of liquid drug contained in the first and/or second reservoir. A processor receives the information from the at least one sensor and thereby determines the type of liquid drug retained in the first reservoir and/or the second reservoir, and uses the drug dosing scheme and the determined type of liquid drug to operate the drive. Associated devices this disclosure and methods are also disclosed.

Abstract: A fluid delivery Y-site is described that is configured to receive and control delivery of two or more fluid flows. Fluid flow is controlled within a chamber by a valve and float. Flow of a primary fluid into the chamber is reduced or halted by the movement of a valve. The valve may occlude a first flow port into the chamber in response fluid flowing from a second flow port into the chamber. A float is moveably disposed within the chamber and configured to engage the valve in response a fluid flow into the chamber from the second flow port. As fluid flow from the second flow port into the chamber is reduced or ceases, the valve and float allow the flow from the primary flow port to once again enter the chamber and exit from an outlet port.

Abstract: A pressurized-gas-driven infusion pump having a bladder that forms a medication chamber and a pressure chamber is provided. The pressure chamber acts on the bladder to expel medication through a catheter that is communicatively connected to the medication chamber. A pressure sensor detects the pressure prevailing in the pressure chamber.

Abstract: A control station (4) for outputting information relating to a multiplicity of infusion systems (20) to a user comprises: a data collection section (40) being operatively connectable to a multiplicity of infusion systems (20) via a communication network (3) for receiving data from the infusion systems (20), and an output section (42) for outputting information relating to the multiplicity of infusion systems (20). Herein, a processing section (41) is constituted to process data received from the infusion systems (20), wherein the processing includes: relating data received from an infusion system (20) to a status class of a multiplicity of predefined status classes to obtain a status indication for the infusion system (20), and transmitting the status indication to the output section (42) for outputting the status indication to a user.

Abstract: A fluid control device includes an interface to a remote fluid monitoring sensor that detects fluid flow in a patient. In some embodiments, a processor within the fluid delivery device is programmed to adjust the delivery or withdrawal of fluids based on the fluid flow signals provided by the sensor. In some embodiments, the fluid control device can display and/or record fluid flow signals thereby acting as a hemodynamic monitor.

Abstract: Devices for the diagnosis and treatment of microvascular obstruction (MVO) and other dysfunctional diseases of the microvasculature of many organs, including the heart. The present subject matter provides novel devices and methods to detect and measure or treat MVO in real time during scenarios such as invasive angiographic/therapeutic procedures. Such procedures include therapy for organ systems including the heart (acute myocardial infarction-primary percutaneous coronary intervention (PPCI)), brain stroke (CVA), bowel ischemia/infarction, pulmonary emboli/infarction, critical limb ischemia/infarction, renal ischemia/infarction, and others. Using methods of the invention, a system comprising specialized infusion and sensing catheter, diagnostic agents, therapeutic agents, and control console with specialized algorithms can both diagnose and treat MVO by eliminating the microvascular clot and debris causing the obstruction.

Abstract: The invention relates to a drug delivery system for a patient comprising an insulin delivery device (100), a user interface (101), a controller comprising instructions and a user definable threshold criterion (114; 116) of a residual availability of a drug provided in a reservoir (102) of the drug delivery system, wherein executing of the instructions by the controller (110) causes the controller (110) to control the drug delivery system to determine the amount of the drug that is currently available to the patient and compare the determined amount with the threshold criterion (114; 116), in response to the comparison, in case the determined amount is lower than or equal to the threshold criterion (114; 116), providing a signal to the patient via the user interface (101). The drug is insulin.

Abstract: A portable auto-injector configured to store a dry medication separately from a liquid component, wherein removal of a cap opens a rotary valve allowing for the initiation of a mixing step prior to injection. An extendable needle guard is provided over the delivery assembly which prevents premature injection as well as inadvertent sticks or other cross contamination of a needle. The needle guard can also form part of a secondary trigger mechanism which injects the reconstituted drug after the mixing stage is complete.

Abstract: An automatic injection device including a generally cylindrical syringe body having an opening, an outlet and an inner cylindrical surface adapted to contain an injectable liquid to be injected at an injection site via the outlet; a piston disposed in the cylindrical syringe body; a driving assembly, including an elongate plunger element having a forward end adapted to be axially inserted into the generally cylindrical syringe body and an at least partial forward sealing element mounted onto the elongate plunger element adjacent the forward end for creating an at least temporary slidable seal between the elongate plunger element and the inner cylindrical surface, whereby axial insertion of the elongate plunger element and the forward sealing element into the generally cylindrical syringe body creates friction between the forward sealing element and the inner cylindrical surface and also creates an at least temporary air spring between the forward sealing element and the piston, wherein the friction and the ai

Abstract: A novel single use auto-injector for delivering a fixed amount of medicament is described. The auto-injector may include a sealed housing rotatably held in a cover. Once the auto-injector is positioned at the injection location, the user can transition the housing from a locked to an armed position. The user can then compress the sealed housing into the cover, triggering activation mechanisms that initiate the injection. A first activation mechanism engages an interlock to prevent reuse of the auto-injector. A second activation mechanism straightens and extends a curved needle to a set the exposed needle length. A third activation mechanism pierces a sealed reservoir allowing the medicament to be forced through the injection needle. Following the injection, the auto-injector expands and interlocks, retracting the needle into the auto-injector and preventing reuse.

Abstract: A method includes moving an actuation lock of a medical injector from a first position to a second position. The actuation lock has an extended portion disposed between a shoulder of a housing and the base when the actuation lock is in the first position. The extended portion is spaced apart from the base when the actuation lock is in the second position. A distal end portion of a base, which is movably coupled to an end portion of the housing, is placed into contact with a body. The base is actuated after the placing to release an energy from an energy storage member within the housing to produce a force to move a needle from a first needle position to a second needle position. At least a portion of the needle extends through the base when the needle is in the second needle position.

Abstract: A drug delivery device comprising a housing, a piston rod, a transmission member, a helical torsion drive spring coupled to the transmission member and the housing, and a drive member in engagement with the piston rod and adapted to be rotated by the transmission member to thereby move the piston rod distally during expelling. The device further comprises dose setting means allowing a user to simultaneously set a dose and strain the drive spring correspondingly. The drive spring comprises a plurality of wire windings and is formed from a wire having a rectangular cross section wound on edge with the height larger than the thickness. The spring is operated such that the tilt angle for at least a portion of the rectangular wire will increase when the drive spring is strained from an initial strained state to a fully strained state, this resulting in a corresponding non-linear spring characteristic.

Abstract: A medicament delivery device is presented having a second housing part, a plunger rod arranged in the second housing part and configured to act on a stopper arranged inside a multi-chamber container. A first housing part contains the multi-chamber container, where the first housing part is arranged to be manually displaced into the second housing part by relative rotation between the first and the second housing parts for mixing at least two substances arranged inside the multi-chamber container. The delivery device further has a rotating contact element arranged between said plunger rod and said stopper capable of rotating in relation to said plunger rod.

Abstract: A needle-free injection device suitable for delivering a therapeutic substance into the intradermal space of a patient. The needle-free injection device includes an injector body defining a syringe end. The device also includes a first handle attached with a hinge to the injector body such that the first handle pivots between an open and a closed position and remains attached to the injector body during an injection, a main spring positioned within the injector body, a return sleeve engaged with the main spring, and a first linkage between the first handle and the return sleeve. The first linkage causes the return sleeve to move away from the syringe end of the injector body when the first handle is moved from the open position to the closed position, thereby compressing the main spring. Needle-free injection systems and methods of operating a needle-free injection device are also disclosed.

Abstract: An adipose or fat tissue transplantation device is disclosed. The device employs a cylindrical vessel for housing a conventional piston operated syringe. A handle is pivotally attached to the cylindrical vessel with a proximal end secured to a puller positioned to engage steps attached to the piston. A distal end of the handle provides a thumb operated lever for advancing the piston a predetermined distance upon depressing the handle to move the piston. The handle includes a link arm of a length sized to move the puller upon engaging a step a predetermined distance. A spring is coupled to the link arm to maintain the distal end of the handle in a normally raised position. In a preferred embodiment, the link arm and steps are constructed and arranged to advance the piston to cause a predetermine dispensing of tissue for each handle depression.

Abstract: A single-hand controlled syringe with plunger extension includes a barrel, a plunger fit to the barrel, and a plunger extension integrated with the plunger. The plunger extension consists of a head, a back, and a body between the head and the back. The body of the plunger extension is oriented parallel to the plunger, with integrated connection at the back of the plunger extension and the back of the plunger. Depressing the head of the plunger extension moves the syringe from the contracted state to the retracted state. Such syringe with plunger extension is useful to draw blood or fluid with a single hand.

Abstract: A method of manufacturing a pen drug delivery device comprising the steps of (i) providing a drug delivery device comprising a dose indicator member adapted to move relative to a housing during dose setting and dose expelling corresponding to an axis of rotation, the indicator member having an initial position corresponding to no dose amount being set, (ii) arranging the indicator member in the initial rotational position, and (iii) providing on the housing and on the indicator member respectively a pair of zero markers having a predetermined rotational offset. By this arrangement the issue of finding the correct initial (zero) rotational position of the indicator member is addressed by providing corresponding and rotationally paired zero markings on the pen housing and the indicator member after the pen device has been assembled, this allowing the “true” initial position to be detected by image capture and subsequent image analysis.

Abstract: Disclosed embodiments include flexible tube assemblies, flexible needle assemblies, systems, methods of fabricating a flexible tube, and methods of fabricating a flexible needle.

Abstract: The present teachings relate generally to a medical sampling device assembly (10), comprising: a sampling portion (20) disposed at a distal end (12) of the assembly; handle portion (30) disposed at a proximal end (14) of the assembly and including a bias member (32), a locking member (34) coupled to the bias member, and an indicator member (36); an intermediate portion (40) disposed between and interconnecting the sampling portion and the handle portion; and a sampling member (50) slidably disposed within the handle portion, the intermediate portion, and the sampling portion and protruding distally thereof, and in mechanical communication with the bias member; wherein the indicator member is deployed and the sampling member retracts permanently and completely into the sampling portion upon decoupling the locking member from the sampling member.

Abstract: An integrated needle and cannula assembly for plastic surgery including a syringe connected to a blunt-tipped cannula where the blunt-tipped cannula is inserted into the hollow annular space of a hypodermic needle. In operation, the medical practitioner penetrates into the patient's skin using the hypodermic needle and then slides the blunt-tipped cannula through the annular space of the needle. A transporter assembly can be interposed between the syringe and the overlapping needle/cannula. The transporter assembly may include a retractable inner needle tube attached to the hypodermic needle and an external transporter housing which connects the syringe to the cannula through a cannula connector. Once the blunt tipped cannula is under the patient's skin, the needle is preferably withdrawn from the patient's skin to allow sub-dermal substances to be injected using only the blunt-tipped cannula. Withdrawal of the needle can be assisted with either a pull spring or push spring.

Abstract: A tamper-resistant device for holding a portion of an access port of a fluid line can include a first housing member that includes a first recess and a first stopping shelf. The device can further include a second housing member that includes a second recess and a second stopping shelf. The second housing member can couple with the first housing member such that the first and second stopping shelves cooperate to retain the portion of the access port within the device. The device can include a locking mechanism configured maintain the first and second housing members in a coupled state when engaged. The device can further include a tamper-evident indicator that, when activated, permits the first and second housing members to transition from the coupled state to a decoupled state to permit access to the access port of the fluid line.

Abstract: An inhalation device for inhaling a vaporized substance that includes metering capabilities to inform a user when a particular amount of substance has been consumed. The device includes an inlet having an opening, an outlet, a processor, an atomizer configured to vaporize an unvaporized substance into a vaporized substance. The device further includes a channel positioned between the atomizer and the outlet, wherein the vaporized substance flows downstream from the atomizer to the outlet via the channel, a light signal device, wherein the light signal device emits light, and a light sensor, wherein the light sensor senses the light from the light signal device.

Abstract: This invention relates to apparatus used to alter the temperature and humidity of gases. The apparatus of the present invention comprises an insufflator, humidifier and transportation means connected to delivery means to deliver humidified and heated gases to a body cavity prior to and during a medical procedure. In one form of the present invention the insufflator and humidifier are contained in the one housing, while in another form the humidifier is located proximal and external to the insufflator. The transportation means that delivers the humidified gases to the body cavity comprises a flexible tubing having located within, throughout or around it heating means. The heating means may be a heat conductive wire, a ribbon of PTC material, or a conducting wire extruded into the walls of tubing, where the tubing may be made from a PTC material or flexible plastics.

Abstract: A breathing mask for use in administering inhalable medications to a patient in need of an inhaled drug is provided. The mask disclosed herein is particularly useful for use with very young children. The mask is made from a flexible molded plastic silicone or elastomeric material, and has an anthropometrically/anatomically/ergonomically contoured shape to provide a good seal, a comfortable fit, and minimal dead space within the mask. The airway is aligned with nose. There may be an orifice for use with a soother device to calm a child using the mask. Also provided is a visual flow indicator to provide an indication of the quality of the seal of the mask on the face.

Abstract: A system may include a mobile application residing on an external device and an inhalation device. The inhalation device may include a mouthpiece, a mouthpiece cover, medicament, and an electronics module comprising a processor. The inhalation device may be configured to both prepare a dose of medicament for delivery to a user and cause the processor to transition between power states when the mouthpiece cover is moved from a closed position to an open position to expose the mouthpiece. The electronics module or the mobile application may be configured to generate usage events based on usage of the inhalation device by the user. The electronics module may also include a pressure sensor, and the electronics module or the mobile application may be configured to determine whether a usage event is a good inhalation event, a fair inhalation event, or a no inhalation event based on feedback from the pressure sensor.

Abstract: A standardized cartridge for dispensing accurate, measured doses of cannabis-based formulations that may be used interchangeably in a multiplicity of accessory devices for ingestion of the formulation in different modalities, and for which the formulation may be changed simply by swapping out the cartridge for one with a different formulation.

Abstract: The present invention relates to a dry powder inhaler for administering a medicament via oral inhalation route to a subject. Particularly, the dry powder inhaler according to present invention is suitable for delivering accurate doses of a medicament in different ranges of inspiratory capacity of the subject.

Abstract: A system and method for treating acute migraine events utilizing multiple sensory/receptive channels (olfactory, audio, visual and other sensory receptors) to both treat and optimize delivery to the afflicted sites in the brain. One of the primary migraine treatment methods includes a composition delivered through the olfactory system. Absorption through the nasal membranes is rapid and avoids delays and dilution inherent in methods using the mouth and gastro-intestinal (GI) processing. Effective, but less preferred methods that avoid GI delays and dilution include delivery as eyedrops or as an intravenous infusion. The effective composition comprises a caffeinic substance to bind and antagonize adenosine receptors in the brain. This immediately blocks continued action of adenosine to dilate the afflicted vessels and inflict pain.

Abstract: A breath-responsive metered dose inhaler having a trigger mechanism for triggering delivery of a medicament and a trigger mechanism chassis for locating the trigger mechanism within the inhaler, the trigger mechanism including a breath responsive member moveable upon inhalation of the user from a primed position in which the inhaler is prevented from delivering medicament, to a triggered position in which the medicament is delivered to the user, a spring which is flexible along its longitudinal axis, wherein the spring is configured to bias the breath responsive member from its triggered position to its primed position by flexure along its longitudinal axis.

Abstract: A pressure indicator for a respiratory treatment device, the pressure indicator including an instrument for measuring pressures, a conduit configured to transmit a pressure within the respiratory treatment device to the instrument, and a pressure stabilizer orifice positioned within the conduit.

Abstract: This invention provides ventilators that provide superior air-oxygen mixing and gas delivery. The ventilators that supply a gas mixture to the lungs of a subject. The gas mixture comprises a first gas (e.g. oxygen) and a second gas (e.g. ambient air). The ventilators comprise a first gas inlet, a second gas inlet, flow modulator of the first gas, a flow modulator of the second gas, a junction configured to mix the first gas and the second gas, a patient interface configured to deliver the gas mixture to a subject, a pressure sensor, a plurality of flow sensors comprising at least a first flow sensor and a second flow sensor, and at least one controller configured for obtaining data from the pressure sensor and flow sensors and controlling the flow modulators to provide a gas mixture having a target pressure and a target oxygen content.

Abstract: A multi-night titration (MNT) process to find an optimal single therapeutic pressure of a CPAP device. This single therapeutic pressure can then be used on an on-going basis by the patient after the titration period. The MNT process differs from current auto adjusting processes used for titration (or ongoing use) in that the MNT process does not respond locally by adjusting pressures to individual events. With existing devices, the continuous adjustment of supplied air pressure always responds to one or a small number of events and thus fails to compensate for a patient's adaptation thereto, resulting in the supply of a less than optimal therapeutic pressure to the patient. While auto adjusting processes often capture and respond well to short-term and transient conditions, the MNT process of the current disclosure seeks to capture long term trends and find the most suitable average single pressure for a patient.

Abstract: An anaesthetic halocarbon capture system is provided. The system comprises a pressure-intolerant sleeve containing filter material for capturing one or more types of anaesthetic halocarbon prior to supercritical fluid extraction, and a pressure-tolerant housing into which the sleeve can be inserted so as to permit exposure of the sleeve contents to pressures required for supercritical fluid extraction.

Abstract: A device for recording and displaying a pressure-volume curve, in which a gas stream is generated by a gas source under control of a control unit and conveyed via a hose to a patient, wherein a flow sensor determines the gas stream and the control unit computes and records the administered gas volume and wherein a pressure sensor determines the gas pressure and the control unit records the pressure and determines a pressure slope and determines a pressure-volume curve from the pressure and the volume and displays it on a display screen or stores it for a display.

Abstract: A mask configured to assist the respiration of a patient with a gas inlet port positioned to connect a gas supply to the mask and direct gas flow towards a patient's skin; a scattering chamber with an inlet port and a plurality of outlet ports, the scattering chamber inlet port fluidly connected to the gas inlet port, and the plurality of outlet ports positioned to scatter the gas flow away from the patient's skin and towards the interior surface of the mask and a region between the patient's skin and the interior surface of the mask; and an outgas collector assembly connected adjacent the scattering chamber and positioned to collect an outgas emission expelled from the patient and eject the outgas emission from the mask.

Abstract: A nasal cannula in which a pair of nostril inserts (130) are provided on a base (120) provided at the distal end of a tube (110) such that the nostril inserts (130) communicate with the tube (100). The base (120) and the nostril inserts (130) are integrally formed so as to elastically deform to an appropriate extent. The nostril inserts (130) have an appropriate length. When the nostril inserts (130) are inserted into the right and left nostrils, respectively, of a patient, the nostril inserts (130) hold at least one of the columna nasi and the nasal septum from opposite sides with an appropriate elastic force, whereby the nostril inserts (130) are attached to the nostrils.

Abstract: A mask configured to deliver pressurized airflow according to an exemplary aspect of the present disclosure includes, among other things, a central portion configured to surround a nose of a patient, a first pair of wings projecting from opposite sides of the central portion, and a second pair of wings projecting from opposite sides of the central portion. The disclosed mask has particular benefits to pre-term infants. A system and method are also disclosed.

Abstract: A system 10 for delivering respiratory therapy to a patient includes a patient interface device 20 for delivering pressurized gas to a patient, a connector system 60 for connection to a source of pressurized gas and a conduit system 40 fluidly connecting the connector system 60 to the patient interface device 20. The connector system 60 includes a plurality of closable ports 68, 32 that allow a plurality of different modes of respiratory therapy to be provided. The conduit system 40 may include a first gas line 42, a second gas line 46 and a third gas line 46. The second gas line 46 and third gas line 44 may be contained within the first gas line 42 along at least part of their length.

Abstract: A respiratory conduit apparatus that conducts a breathable gas for respiratory therapy may include electrical circuit components to assist with therapy. In an example, a delivery conduit for connection with a patient interface and a respiratory therapy device may include a cuff having a microcontroller unit. The cuff may be configured with circuit components for accessory identification, gas characteristic detection for therapy control, heating and communications. In some versions, the delivery conduit may include a controller in a circuit board assembly located at an end of the delivery conduit. The printed circuit board may be configured to control and power the components of the cuff, as well as communicate with a respiratory therapy device.

Abstract: An HME has a housing (10) moulded in two parts (26 and 27) of a thick, thermally-insulative foamed plastics to form an enlarged central region (13) and opposite end walls (24 and 25). Separate patient and machine end couplings (11 and 12) are bonded to openings (37 and 47) in the end walls. The two housing parts (26 and 27) are bonded end to end about an HME element (14) formed by a strip of treated corrugated paper wound about a support sleeve (50).

Abstract: Disclosed is a ventilator with an apparatus input and an apparatus output and with an airway between the apparatus input and the apparatus output. A breathing gas drive, a non-return valve and a switching valve are arranged in the airway. The non-return valve prevents a flow of breathing gas in a direction from the apparatus output to the apparatus input and the switching valve enables at least temporarily a flow of breathing gas in a direction from the apparatus output to the apparatus input.

Abstract: A method and a device for maintaining mind concentration, is presented here. This device is intended for ADD children and students, and for people that are apt to fall asleep unintentionally while doing their task. The device is mainly composed of a microcontroller, batteries and few switches. The microcontroller provides a digital timer, and it generates a sequence of sets of signals at the end of a given time interval. Those are sent via a wire to the micro motor which is housed in a wrist belt that is situated on the user hand. As the motor is actuated it vibrates and shakes gently the user hand; Those stop daydreams, and irrelevant thoughts, if any, while they do not disturb attention or concentration, on behalf, of the special compact structure.

Abstract: A therapeutic devices targeted towards children and adults with developmental conditions. The present invention invention provides for a sensory device that provides visual and tactile stimulation to individuals who have autism and related conditions. The device has a shape and size suited to being hand-held by a user. The device contains within the body of the device channels containing spheres that move within the channels, providing sensory and visual stimulation.

Abstract: An apparatus for calming a baby in an interior of a vehicle has a heartbeat sensor device (11, 12, 13) configured to capture a heartbeat input signal that depends on the heartbeat of an occupant in an interior (18) of a vehicle (10). A heartbeat signal processing device (14) is configured to produce a heartbeat output signal that depends on the heartbeat input signal. A calming signal output device (15, 16, 17) is configured to output a calming signal that depends on the heartbeat output signal and that is perceivable by a baby in the interior (19) of the vehicle (10). The apparatus is to configured to output the calming signal, at least intermittently, directly during the capture of the heartbeat input signal.

Abstract: Methods, systems and devices for treating headaches, including migraines. In some variations these methods may include enhancing sleep, including enhancing the quality of sleep, reducing sleep onset time, increasing total sleep time, treating insomnia, and/or treating other neurological disorders by non-invasive temperature regulation of the frontal cortex prior to and/or during sleep.

Abstract: A catheter having excellent flexibility in order to follow a guidewire, and that is not easily kinked even when the catheter is bent strongly. The catheter includes a catheter shaft having a hollow resin body and a coil body within the hollow resin body. The coil body is formed of a spirally wound wire, which is slidable with respect to the hollow resin body.

Abstract: A urinary catheter system includes a urinary catheter, a slidable sheath surrounding a portion of the catheter proximate the distal end, and an enclosure having a bottom member and a top member that rotate relative to one another about an axis of rotation. Rotating the top member or the bottom member relative to the other member causes the catheter to wind into a spiral between the inner wall of the bottom member and the outer wall of the top member. Some embodiments also include a urine collection bag attached to the proximal end of the catheter and housed within an inner open portion of the enclosure. Some embodiments also include a hygienic sleeve disposed over at least part of the catheter, to enhance cleanliness of the catheter before use.