Abstract: An end effector for use with a surgical instrument includes a plurality of staples, an agent reservoir comprising a medical agent, a dispensing passage configured to convey the medical agent from the agent reservoir to tissue, and a firing system which includes a cutting member, a movable member, and a firing member, wherein the firing system is configured to cooperatively move the movable member and the firing member to simultaneously fire the plurality of staples and dispense at least a portion of the medical agent near the cutting member owing to the advancement of the firing member.

Abstract: A system for manufacturing radionuclide generators includes an enclosure defining a radioactive environment. The enclosure includes radiation shielding to prevent radiation within the radioactive environment from moving to an exterior of the enclosure. The system also includes a pump within the enclosure for transferring fluid through tubing. The pump includes a pump head including a casing, a rotor that rotates in relation to the casing, and a clamp. The tubing extends through the pump head. The clamp compresses the tubing against the rotor and directs radioactive fluid through the tubing as the rotor rotates. The pump also includes a servomotor that controls the rotation of the rotor and a coupling connecting the pump head to the servomotor. The coupling prevents backlash between the servomotor and the rotor during rotation.

Abstract: Disclosed is a system to generate bubbles. The bubbles may be formed to include a substantially or medically pure gas. The bubbles may be formed on demand and in a selected small size.

Abstract: A fail-safe drug infusion system, including a user interface controller (UIC) and at least one pump motor controller (PMC), with protocols that enable the PMC to operate therapy delivery for a limited amount of time if the UIC fails or the communication link between the UIC and the PMC is interrupted. Includes synchronization methods to synchronize the delivery information back to the UIC after the UIC reboots or after the communication link is restored. The PMC may apply intelligent fail-safe drug infusion therapy by temporarily displaying therapy information, for example information normally displayed by the UIC, while taking control of alarm signaling and providing minimal user control of the therapy until the UIC restores itself, the infusion completes normally, or the user stops the infusion. If the PMC becomes inoperable, the UIC may wait for the PMC to reboot, or attempt to switch infusion channels to provide robust drug infusion.

Abstract: An infusion set or patch pump is provided for delivering a pharmaceutical agent, such as insulin, to a patient. The infusion set or patch pump has a recessed portion in the bottom face containing a hydrogel and a reactant capable of producing a color change upon contact with the pharmaceutical agent. The reactant includes a mixture of potassium persulfate and 4-aminoantipyrine and optionally horseradish peroxidase, and produces a rapid visually detectable color change when contacted with phenol and/or m-cresol contained in insulin as stabilizing agents.

Abstract: The invention relates to a method of determining an infusion rate in a medical device to aid with administration of a substance as a function of a physiological parameter and a device adapted to implementation of the method, and a computer program implementing the method.

Abstract: An infusion device includes a housing with an interior chamber sized and configured to hold at least a flange and plunger of a syringe, a trigger held by the housing, and a lever in communication with the trigger and including an upwardly extending cam with a cam path having an upper end. The cam is in communication with the flange of the syringe. In response to actuation of the trigger to dispense fluid from the syringe, the upper end of the cam travels upward above the syringe and longitudinally toward a dispensing end of the syringe to linearly translate the plunger of the syringe in a first direction to dispense fluid from the syringe. To refill fluid into the syringe, the upper end of the cam travels downward and longitudinally away from the dispensing end of the syringe to linearly translate the plunger in a second direction to intake fluid.

Abstract: The disclosure is directed to a drive mechanism for use in a drug delivery device having a cartridge, the mechanism comprising a base element, a toothed piston rod movable from a first retracted position corresponding to a full cartridge to a second extended position corresponding to an empty cartridge, wherein the piston rod is guided within and movable relative to the base portion, and a drive gear having a pinion, which is rotatably held in the base element and in meshed engagement with the toothed piston rod, wherein the toothed piston rod comprises multiple rigid rod pieces which are connected by hinges, and a drive spring, which is fixed to the base element with one end and fixed to the drive gear with another end and which exerts a force or torque to the drive gear for rotating the drive gear relative to the base element, which rotation results in a movement of the toothed piston rod.

Abstract: An injection device has a plunger for displacing a stopper in a syringe or carpule, a holder for the plunger, a drive for the axial displacement of the holder of the plunger, and a control device functionally assigned to the drive. The plunger, or at least a subcomponent thereof, relative to the holder, the holder is able to move over a limited distance relative to the plunger or a subcomponent thereof, opposing a pretensioning force, in that a sensor device is included which detects the relative position of the plunger, or at least a subcomponent thereof, relative to the holder, which comprises at least one sensor element which works together with the control device. The control device is designed such that, upon activation of the sensor element, the speed of advancement of the holder of the plunger is at least reduced.

Abstract: The present invention is directed to a multi-compartment medical device for segregated storage and on demand mixing of at least two components and expression of a resulting mixture from the device having a tubular barrel with an opening and a gasket sealing the rear end through which a plunger is axially slidable within the tubular barrel. At least one bypass is provided in the barrel in order to enable fluid movement of the components between front and rear compartments and rear compartments. The present invention is also directed to methods for the use of such devices.

Abstract: A medication device with a cartridge or syringe having a longitudinal axis and contains a medicament, a housing receiving the cartridge or syringe and having a center axis, and with an RFID device comprising at least one RFID chip with a first antenna, at least one RFID readout unit with a second antenna), wherein the RFID chip is associated with the cartridge or syringe or housing and the RFID readout unit is associated accordingly with the housing or cartridge or syringe. The medication device is characterized in that the first antenna of the RFID chip and the second antenna of the RFID readout unit are each embodied as a coil and aligned such that they are coaxial with one another and with the longitudinal axis as well as with the center axis.

Abstract: The present disclosure relates to an injection device for setting and dispensing of a dose of a medicament, the device including an elongated housing to accommodate a cartridge filled with the medicament and sealed with a piston, a piston rod extending along a first axis and being threadedly or slidingly engaged with the housing to apply a distally directed thrust to the piston of the cartridge, a drive member rotationally or threadedly engaged with the piston rod and having a wheel section or geared section, and a drive sleeve extending along a second axis at a radial distance from the first axis and having a geared section to mesh with the wheel section or geared section of the drive member, wherein a first radial distance between first and second axes at a distal end of the drive sleeve differs from a second radial distance between first and second axes at a proximal end of the drive sleeve.

Abstract: The present invention relates to injectors, such as pen-type injectors, that provide for administration of medicinal products from a multidose cartridge and permit a user to set the delivery dose. The injector may include a housing, a cartridge containing medicinal product, the cartridge being retained within the housing, means for selecting a dose of medicinal product to be expelled, and means for expelling the selected dose of medicinal product. The housing may be a unitary housing within which the means for selecting a dose and the means for expelling the selected dose are moveably retained. Alternatively, the injector may include a housing, a piston rod, an insert located in the housing and through which the piston may rotate, ratchet means, a dose dial sleeve, a drive sleeve, a button located on the drive sleeve and rotatable with respect to the drive sleeve, and clutch means which upon depression of the button prevents rotation between the dose dial sleeve and the drive sleeve.

Abstract: A drug delivery device adapted to receive a drug-filled cartridge (10), comprising dose setting means allowing a user to set a desired dose of drug to be expelled, an electronic controller (70,270) adapted to control a motor (51) to move a drive member to thereby expel an amount of drug from a received cartridge corresponding to a set dose, and means for estimating the amount of free air in a loaded cartridge. The controller is adapted to detect an error state if the estimated amount of free air in the cartridge is larger than or equals a given percentage of the amount of drug corresponding to a set dose.

Abstract: The present disclosure relates to a medicament injection device (1) comprising a housing (3) arranged to receive a medicament container (11a), a needle cover (9) movable relative to the housing (3), from a retracted position, in which it engages the housing (3) and enables medicament delivery, to an extended position, a plunger rod (7), and a plunger driver (5) movable relative to the housing (3) from an initial position to a final position, and arranged to actuate the plunger rod (7), wherein the plunger rod (7) has a first guide arrangement and the housing (3) has a second guide arrangement, the first guide arrangement (7d) and the second guide arrangement being arranged to cooperate to guide movement of the plunger rod (7) relative to the housing (3), wherein the first guide arrangement and the second guide arrangement in a first stage provide a linear motion path for the plunger rod (7), enabling the plunger rod (7) to initially move in the axial direction and in a second stage provide a rotation motion p

Abstract: A device for introducing a medicament 5 into a patient comprises a cannula 8 having an inlet end 12 for the medicament and a discharge end 14 for the medicament and a blood flow passageway 20 that provides a visual indication that the discharge end of the cannula is in a blood vein.

Abstract: A medicament delivery device includes a housing; a hollow plunger rod; a dose drum concentrically arranged between the housing and plunger rod and movable when setting and delivering a dose; and a plunger rod driver. The driver includes a hollow ratchet arm drum movably arranged within the plunger rod and fixed to the dose drum, with the arm drum and rod releasably coupled; a dose activator having a longitudinal rod movably arranged within and releasably coupled to the arm drum; a dose setting knob fixed to the dose activator and releasably coupled to the arm drum; and a resilient element arranged between the arm drum and dose activator that biasses them in a direction decoupling the longitudinal rod from the arm drum and coupling the knob with the arm drum, such that during dose setting, turning the knob forces the arm drum and dose drum to rotate together.

Abstract: Aspects of the present invention provide a method for using an apparatus to deliver medicine and to wash, clean, and dry a region of a human body. The apparatus include a toilet seat assembly and a medicine delivery assembly. In addition, the apparatus may include a drying nozzle assembly and/or a spraying nozzle assembly. The medicine delivery assembly may include one or more medicine storage cartridges and/or one or more medicine base units, each medicine base unit includes at least a cartridge unit and at least a cartridges slot, wherein the cartridge slot is adapted to match with a medicine storage cartridge. The medicine delivery assembly may include a medicine delivery nozzle, which can be coupled to a spraying nozzle assembly, or may be operated by itself with a medicine delivery nozzle. Finally, the medicine delivery assembly can be controlled by one or more control units.

Abstract: Methods and devices for delivering a dose, such as a medicament, for inhalation. A dose may be stored by a delivery device and dispersed and delivered in a metered fashion to a subject, such as by the subject inhaling via a mouthpiece of the delivery device. One or more chambers of the device may have a toroidal shape and may be arranged to be selectively opened for fluid communication with a flow path of the delivery device, such as by sliding the chamber relative to a portion of the flow path. The flow path may include a restriction that permits air to bypass the chamber, and/or the chamber may be arranged so that fluid entering the chamber interacts with fluid exiting the chamber so as to enhance dispersion of the dose.

Abstract: A droplet delivery device and related methods for delivering precise and repeatable dosages to a subject for pulmonary use is disclosed. The droplet delivery device includes a housing, a reservoir, and ejector mechanism, and at least one differential pressure sensor. The droplet delivery device is automatically breath actuated by the user when the differential pressure sensor senses a predetermined pressure change within housing. The droplet delivery device is then actuated to generate a stream of droplets having an average ejected droplet diameter within the respirable size range, e.g, less than about 5 ?m, so as to target the pulmonary system of the user.

Abstract: A droplet delivery device and related methods for delivering precise and repeatable dosages to a subject for pulmonary use is disclosed. The droplet delivery device includes a housing, a reservoir, and ejector mechanism, and at least one differential pressure sensor. The droplet delivery device is automatically breath actuated by the user when the differential pressure sensor senses a predetermined pressure change within housing. The droplet delivery device is then actuated to generate a stream of droplets having an average ejected droplet diameter within the respirable size range, e.g, less than about 5 ?m, so as to target the pulmonary system of the user.

Abstract: A fluid dispenser device having a reservoir; a valve; a cocking member movable between rest and primed positions and between primed and dispensing positions, the cocking member includes a set of teeth; a blocking device blocking the cocking member in the primed position; a trigger system controlled by inhaling to release the blocking device; a reservoir support element including a cam opening; and a meshing wheel having a toothed projection co-operating with the set of teeth and a cam projection co-operating with the cam opening. The toothed projection is centered relative to the wheel rotation axis, and the cam projection is offset relative to the axis. The meshing wheel completes a turn when the cocking member moves from its primed towards its dispensing position, such that the cam projection causes the reservoir support element to perform reciprocating axial movement for actuating and returning the valve into its rest position.

Abstract: A type flavor inhaler (100) comprises aerosol flow passage (140) guiding aerosol generated by the atomization unit (111) to the mouthpiece side. The aerosol flow passage (140) includes: a first flow passage (140A) which guides aerosol to the mouthpiece side through the flavor source (132); and a second flow passage (140B) which is different from the first flow passage (140A). An aerosol reduction rate of the second flow passage (140B) is smaller than an aerosol reduction rate of the first flow passage (140A).

Abstract: A respiratory therapy apparatus includes a rocker mechanism (101, 110, 111, 112) that provides an oscillating resistance to expiration. The apparatus also includes an air entrainment arrangement (200) at its air inlet (3) having a ring orifice (214) connected via a gas inlet (4) to a source (119) of oxygen at elevated pressure. The oxygen emerging around the ring orifice (214) entrains ambient air and supplies this as a continuous flow of respiratory gas to the patient interface (2) to provide a positive airway pressure.

Abstract: Described is a system including an air pressure supply arrangement, a sensor and a titration device. The air pressure supply arrangement provides air pressure to a patient's airways. The sensor detects input data corresponding to a patient's breathing patterns of a plurality of breaths. The titration device receives and analyzes the input data to determine existence of breathing disorder and corresponding characteristics. The titration device generates output data for adjusting the air pressure supplied to the patient as a function of an index of abnormal respiratory events included in the input data.

Abstract: A system includes a nasal cannula having a flexible tube configured to transmit oxygen gas to a user, an optical fiber coupled to the nasal cannula and configured to transmit light having a frequency spectrum range at least including that of light resulting from combustion of the nasal cannula while transmitting the oxygen gas to the user, a detector operatively coupled to the optical fiber and configured to detect the light transmitted through the optical fiber, and a valve. The valve is configured to be actuated to interrupt the transmission of the oxygen gas to the user through the nasal cannula in response to a signal from the detector.

Abstract: This document provides devices and methods for performing tracheostomies. For example, this document provides devices and methods for performing tracheostomies using tracheostomy tubes that include a cuff at the neck opening area that can prevent or reduce the potential for air leaks.

Abstract: An add-on device and method for an Endo-Tracheal Tube (ETT), the add-on device including a lengthy body having a major arc-shaped cross section sized and shaped to tightly fit over an ETT, at least one longitudinal cavity passing along the lengthy body, including a distal suction cavity ending with a suction inlet at a distal end of the lengthy body; and a distal suction outlet channel extending from a proximal end of the lengthy body, the channel is a continuous extension of the distal suction cavity and configured to provide suction to the distal suction cavity. The add-on device senses moisture at a distal end of the add-on device, and in case of detection of excessive wetness, provides suction to the distal end of the device through a cavity passing along the device, the suction is provided via a suction outlet channel extending from a proximal end of the device.

Abstract: A fluid dispensing catheter including an elongate body having a proximal portion and a distal portion and defining a passage between the proximal and distal portions, and a plug having a proximal section positioned within the passage in the distal portion of the elongate body to partially occlude the passage, the plug being substantially cylindrical and having a flat parallel to and offset from a longitudinal axis of the plug, the flat defining a gap with the elongate body.

Abstract: A new innovative and unique solution to minimize the problems of mouth leakage using a CPAP machine is disclosed. A mouthpiece module is specifically designed to solve the problem of mouth leakage which compromises the therapeutic effect of CPAP treatment. The mouthpiece module comprises a flexible absorbent material which partially wraps around the lips and is secured to the back of the head by straps or an elastic band. In one embodiment, the mouthpiece is detachable from a securement strap.

Abstract: A breathing assistance apparatus is disclosed, for use with delivery of respiratory gases to a patient. The breathing assistance apparatus includes a patient interface, having a body section adapted to cover the nose, or nose and mouth of a patient and a sealing interface. The sealing interface includes at least an outer sealing member. The outer sealing member is adapted to attach to the body section in a sealing manner and has a substantially thin section in at least its nasal bridge region. The thin section is substantially thinner than the rest of the outer sealing member. The patient interface comprises a mask body and a seal assembly. The seal assembly includes a flexible seal, and a rigid seal clip, the seal assembly being removably attached to the mask body via the rigid seal clip. The mask body and rigid seal clip are profiled to match the contours of a user's face so that the seal has a substantially constant wall depth.

Abstract: A patient interface device includes a patient sealing assembly having a cushion member and a headgear assembly for securing the patient sealing assembly to a head of the patient. The headgear assembly has a first drawstring, a second drawstring and a locking member structured to be positioned on a top of the head of the patient responsive to the patient interface device being donned by the patient. The first drawstring has a first distal end coupled to a first side of the patient sealing assembly and a first proximal end received through the locking member, and the second drawstring has a second distal end coupled to a second side of the patient sealing assembly and a second proximal end received through the locking member, wherein a fit of the patient interface device may be selectively adjusted using the first drawstring, the second drawstring and the locking member.

Abstract: A trap bowl is provided to accumulate liquid droplets from a filter, as a liquid content. The trap bowl includes a transparent vertical prism. The transparent vertical prism includes a face that forms a vertical transparent surface facing against a content of the section. The face can provide a first angle of total reflection when content of the section is a type of gas, and a second angle of total reflection when the content of the section is the liquid content. A light source may emit a light beam incident on the face at an angle of incidence. The angle of incidence results in reflection of the light beam, striking the light receiver, when the face has the first angle of total reflection, and results in refraction of the light beam, missing the light receiver, when the face has the second angle of total reflection.

Abstract: A therapeutic gas is administered to a patient. A sample gas is drawn from the therapeutic gas supply, and passed through a water-permeable tubular membrane. Concurrently, a section of the water permeable tubular membrane is maintained as a ventilated water permeable tubular membrane, by exposing outer surfaces of the ventilated water permeable tubular membrane to an ambient air flow. The ambient air flow may in some examples be moved over the tubular membrane via forced air such as for example via a fan associated with a housing surrounding the tubular membrane.

Abstract: A low cost medical humidifier for adding moisture to a patient air flow is disclosed. The humidifier comprises a water reservoir, a disposable evaporative wick containing a heater, a lid containing electrical contacts to engage the heater in the wick and airway connections. The wick heater comprises a PET film with aluminium tracks and a cover layer of PTC resistive ink. The heater is covered with paper to provide a water pathway via capillary flow. There is a capillary path from the water reservoir to the wick. The wick and heater are manufactured with printing and calendaring processes in reel to reel processes.

Abstract: The present disclosure pertains to a system for controlling a leak flow rate during respiratory therapy. The system is configured to determine a leak flow rate necessary for CO2 expulsion for an individual subject and facilitate control of the leak flow rate during therapy such that the system exhausts substantially the entire exhaled volume of gas during an expiration of the subject. The system facilitates control of the leak flow rate during therapy via an adjustable leak valve. Determining the leak flow rate for the subject and facilitating control of the leak rate may minimize noise from air flow in the system, minimize the power draw needed by a pressure generator of the system, reduce a loss of medicine added to the respiratory therapy gas, and/or have other advantages, while still expelling the desired amount of CO2.

Abstract: A breath powered positive airway pressure device having an expiratory chamber for receiving expired air from a user. The chamber has at least one resiliently flexible surface that is configured to expand to accommodate the expired air, so that the pressure within the chamber gradually increases during expiration. The device may also include an inspiratory chamber for holding air to be inspired, wherein the at least one resiliently flexible surface forms a flexible partition separating the expiratory chamber from the inspiratory chamber. The flexible partition is configured to expand into the inspiratory chamber during expiration, so that the air that is held within the inspiratory chamber also becomes pressurized during expiration.

Abstract: Systems and methods are disclosed for monitoring a patient by positioning the patient for a predetermined medical mission; sensing biometric and physical conditions of a patient during the mission, and displaying a multimedia interaction with the patient to keep the patient in a predetermined position to improve efficacy of a medical mission.

Abstract: Apparatuses (including devices, kits, and systems) and methods to non-invasively and chemically (rather than thermally) activate thermoreceptors to modulate sleep. For example, described herein are apparatuses including topical compositions that stimulate thermoreceptors on the subject's skin (e.g., forehead, hands, and/or feet) for a period of time to induce a sensation of temperature (heat or cold) without significantly altering the person's actual skin temperature to improve sleep quality, including reducing sleep-onset latency, enhancing depth of sleep, and/or extending the amount of time a subject sleeps. The subject may be suffering from insomnia or some other sleep disorder.

Abstract: A sleep and wake environment apparatus includes an aromatherapy diffuser; a speaker; a light source; a clock; and a user interface with controls and a display. Each of these elements are in communication with a control computing device configured to control the aromatherapy diffuser, the speaker, the light source, and the clock automatically and without contemporaneous user input.

Abstract: Provided is a sleep guidance device that serves to control a stimulus imparter for imparting stimuli to a human subject. The sleep guidance device acquires a biorhythm of the human subject; estimates sleep depths of the human subject from the acquired biorhythm of the human subject; and controls the stimulus imparter to impart a stimulus to the human subject in accordance with the acquired biorhythm of the human subject, and from among the sleep depths, a current sleep depth estimated for the human subject.

Abstract: The present disclosure provides for a fluid delivery device for a body vessel and a method of use. The fluid delivery device may have an elongate member having a proximal end extending along the longitudinal axis to a closed distal end. The elongate member may also have an inner wall defining a fluid delivery lumen and a wire guide lumen. The elongate member may have a tapered region and a distal portion between the proximal and distal ends. The device may have a first state for device delivery to the treatment site.

Abstract: A method for forming a catheter tube assembly includes providing a reinforcement structure and disposing a catheter tube over the reinforcement structure. The reinforcement structure includes a first outer wall reinforcement portion, a second outer wall reinforcement portion, and a septum reinforcement portion connecting the first outer wall reinforcement portion to the second outer wall reinforcement portion. The catheter tube includes an outer wall and a septum. The catheter tube is disposed over the reinforcement structure such that the catheter tube septum envelopes the septum reinforcement portion of the reinforcement structure.

Abstract: The present invention contemplates devices and methods to administer nutritional compositions and/or therapeutic drugs directly into a portal venous system. For example, total parenteral nutrition therapy may be administered directly into the hepatic portal venous system thus circumventing known side effects of conventional parenteral administration. Alternatively, hepatic diseases and disorders may be treated using locally administered therapeutic drugs. Devices capable of direct portal venous system administration include, but are not limited to, a direct portal access catheter or a transjugular access catheter.

Abstract: This invention is directed to a medical device having a longitudinal axis, and including a handle and a catheter. The handle can include a body having a proximal end and a distal end, an actuator moveably coupled to the body, and a handle control member coupled to the actuator, wherein the actuator can be configured to move relative to the body to move the handle control member. The catheter can include a shaft having a proximal end and a distal end, wherein the proximal end of the shaft and the distal end of the body can be configured for releasable coupling. The catheter can also include a steering section located along the shaft and a catheter control member coupled to the steering section, wherein the catheter control member can be configured to move relative to the shaft to move the steering section relative to the longitudinal axis.

Abstract: An intravenous catheter assembly comprises a catheter hub having an elongate axis and a lumen; a side port extending from the catheter hub, the side port being in fluid communication with the lumen; and a one-way port valve positioned in the side port, the one-way port valve having a valve portion formed from a resilient material. The valve portion can comprise a cap and a hinge portion about which the cap is rotatable. The cap can be disposed over an aperture formed in an inclined end face of the valve portion.

Abstract: A device for regulating blood pressure between a patient's left atrium and right atrium, and apparatus for delivery the device, are provided. The delivery apparatus may include one or more latching legs, a release ring, a pull chord, and a catheter wherein the latching legs are configured to engage the device for delivery. The inventive devices may reduce left atrial pressure and left ventricular end diastolic pressure, and may increase cardiac output, increase ejection fraction, relieve pulmonary congestion, and lower pulmonary artery pressure, among other benefits. The inventive devices may be used, for example, to treat subjects having heart failure, pulmonary congestion, or myocardial infarction, among other pathologies.

Abstract: A catheter procedure system including a bedside system and a remote workstation is provided. The bedside system includes a catheter including an expandable percutaneous intervention device, a robotic catheter system configured to move the catheter, and an inflation device configured to cause expansion of the expandable percutaneous intervention device. The remote workstation includes a user interface configured to receive a at least first user input and a second user input and a control system operatively coupled to the user interface for remotely controlling both the robotic catheter system and the inflation device. The remote workstation includes a monitor configured to display information related to the expandable percutaneous intervention device.

Abstract: A peripheral intravascular catheter assembly comprising a tubular introducer needle and an adapter connected to the proximal end of the light guide. An introducer needle comprises a connection hub and a needle member. The needle member has a lumen, a distal end and a proximal end. The assembly may be further provided with a cannula tubing surrounding at least a portion of the needle member, with at least one light source and with an electronic module, configured to power the light source. The light guide has a distal end and a proximal end and extends along the lumen of the needle member. The adapter may be connected to the electronic module to the connection hub of the introducer needle so that light emitted by at least one light source is capable of entering the light guide, but blood flowing through the lumen of the needle member is prevented from contacting said light source.

Abstract: A catheter system utilizing one or more sensors is described. The catheter can be used as part of an embolic coil system, guidewire system, or combined embolic coil/guidewire system where the devices interact with the catheter system. A variable detachment embolic coil system and guidewire system are also described.