Abstract: The utility model aims at an intimate cleanser, particularly an intimate douche (500) comprising a bag (100), and a fixed and/or threadable applicator nozzle (200), in which the folding bag (100) presents a new practical and anatomic design, resulting in a portable and disposable intimate douche (500). Additionally, the utility model provides irrigation of the pelvic cavity through the flow of content, preferably improved water expelled from the intimate douche (500) into the female and/or male pelvic cavity in order to assist in hygiene, cleansing, treating, odorizing, gut flora replacement, lubrication and/or anesthesia of such cavities.

Abstract: Injection device (1, 1?), in particular for injecting a liquid into a body in magnetic resonance tomography, comprising: a syringe with a reservoir (3) for holding a liquid, with a nozzle (5) arranged on the reservoir, and with a plunger (9) for expelling the liquid from the reservoir through the nozzle, a drive member, which is connected to the plunger (9) in order to drive the plunger (9), and a non-electrical energy accumulator (17, 17?), which is connected to the drive member in order to operate the drive member.

Abstract: A method of managing insulin includes receiving blood glucose measurements on a computing device from a glucometer. The blood glucose measurements are separated by a time interval. The method includes determining, using the computing device, an insulin dose rate based on the blood glucose measurements and determining a blood glucose drop rate based on the blood glucose measurements and the time interval. The method also includes determining a blood glucose percentage drop based on the blood glucose measurements. The method includes decreasing the time interval between blood glucose measurements by the glucometer when the blood glucose drop rate is greater than a threshold drop rate, and decreasing the time interval between blood glucose measurements by the glucometer when the blood glucose percentage drop is greater than a threshold percentage drop.

Abstract: Medical data provided by a physiological parameter sensor is used for management of the patient's medical condition. Analytes that may be monitored and managed include, but are not limited to, acetyl choline, amylase, bilirubin, cholesterol, chorionic gonadotropin, creatine kinase (e.g., CK-MB), creatine, glucose, glutamine, growth hormones, hormones, ketones, lactate, oxygen, peroxide, prostate-specific antigen, prothrombin, thyroid stimulating hormone, and troponin.

Abstract: Provided is a cassette unit suitable for use with an auto-injector having a drive unit. The cassette unit comprises a cassette unit housing defining a cassette unit housing cavity, which is in receipt of a syringe, a rearward entrance to said cavity and a forward needle projection aperture. The cassette unit also comprises in capping relationship with the rearward entrance of the cassette unit housing, a cassette unit end-cap, said cassette unit end-cap defining a drive rod-receiving opening for receipt of a drive rod for providing forward axial drive to said plunger; a biasing element defining a biasing relationship between the cassette unit end-cap and an end flange of the syringe barrel, thereby urging the syringe forwards in relation to the cassette unit end-cap; and a damping element defining a damping relationship between the cassette unit end-cap and the flange of the syringe, thereby acting to damp rearward movement of the syringe relative to the cassette unit end-cap.

Abstract: An autoinjector having a piston rod for a piston of a reservoir, the piston rod movable between a primed position and an injection position; an injection spring urging the piston rod towards its injection position; and an injection lock including a control sleeve containing the piston rod and the injection spring. The piston rod includes a radial recess receiving a substantially-spherical blocking element movable between a blocking and unblocking position and urged radially outwards by the piston rod and held in its blocking position by a blocking ring; and a support member fastened in the control sleeve and having a ring with an axial end in contact with the injection spring, the other axial end supports the blocking element. The blocking ring is engaged on the support member and disengaged by the control sleeve.

Abstract: An injection device (1) includes a housing (20) for receiving a cartridge (30) of medicament in use; a drive element (12), moveable from a first position to a second position to expel a dose from said cartridge, and wherein the drive element comprises an electrically-operated indicator module (40) for generating an indication corresponding to the stage of use of the device. The indicator module (40) may be contained within the drive element, for example within an interior of the drive element and may include an audible indicator such as e.g. a sounder or loudspeaker, and a visual indicator such as e.g. one or more LEDs arranged to provide e.g. colour-coded signals.

Abstract: A drug delivery device comprising a main body extending between distal and proximal ends comprising a hollow cylinder comprising an outer and an inner surface, wherein the inner surface comprises threads; a screw within the main body, comprising a hollow cylinder comprising an inner and an outer surface, wherein said outer surface comprises threads, wherein threads of outer surface of the screw are engaged with threads of inner surface of the main body; a plunger extending between distal and proximal ends, wherein the distal end of the plunger engages the proximal end of the screw; and a drug container extending between distal and proximal ends, and comprising a change in cross section from proximal to distal end, wherein the container is within the screw, and wherein the proximal end of the drug container is fixed to the screw and distal end of the container is fixed to the main body.

Abstract: The present invention relates to a reservoir (10; 30; 40) for a liquid medicament (11), comprising: a first boundary portion (16; 36; 46) and a second boundary portion (18; 38; 48) forming a cavity (12; 32; 42) to receive the medicament, wherein the first boundary portion is sub-stantially opaque and flexible, and wherein the second boundary portion is substantially transparent and rigid.

Abstract: The present application relates to a needleless syringe for injecting an injection objective substance into an injection target area without using an injection needle. In one aspect, the needleless syringe includes a main syringe body containing the injection objective substance with the use of a sealing member, a pressurizing unit provided in the main syringe body and configured to pressurize the injection objective substance, a flow passage unit defining a flow passage of the pressurized injection objective substance to be discharged to the injection target area and a preparatory filling unit configured to fill the flow passage unit with a part of the injection objective substance by destroying a part of the sealing member before the injection objective substance is pressurized. According to some embodiments, it is possible to mitigate the load exerted on the nozzle during the injection and reduce the noise without deteriorating a syringe user convenience.

Abstract: The present invention relates to a shell assembly for a medicament delivery device, which shell assembly comprises at least one first shell section provided with an entry passage and designed such that at least a major part of a medicament delivery device entered through said entry passage is accommodated inside said at least one first shell section, a closure element operably arranged to said at least one first shell section for closing said entry passage, and fixation elements arranged for fixating said medicament delivery device in relation to said at least one first shell section and said closure element.

Abstract: A syringe packaging system that includes a tube and a cap for enclosing a pre-filled syringe is disclosed. The tube includes a tube cut flange and the cap includes a cut skirt. With a syringe barrel contained within the tube, a syringe barrel cut flange is aligned with the tube cut flange. With the pre-filled syringe enclosed within the tube and the cap, the cut skirt of the cap surrounds the syringe barrel cut flange. In one embodiment, a film is securable to a portion of the tube and a portion of the cap to connect the tube and the cap with the pre-filled syringe enclosed within the cap and the tube.

Abstract: A syringe packaging system including a shell for enclosing a pre-filled syringe is disclosed. The shell includes a first portion having a proximal end and a distal end having a disk-shaped bottom portion; and a second portion having a proximal end and a distal end. With the first portion engaged with the second portion to form the shell, the proximal end of the first portion and the proximal end of the second portion together define a syringe flange having a top wall that defines a shell proximal aperture, a bottom wall, and a sidewall.

Abstract: A pushing unit is stopped just before abutting against a rear end of a syringe to reliably prevent unwanted extrusion of a chemical liquid from a syringe. An injecting apparatus for injecting a chemical liquid includes: an injection head to which a syringe filled with the chemical liquid is to be mounted; a pushing unit provided on the injection head and pushing a rear end of the syringe; a rear end detection unit provided on the injection head and detecting the rear end in a contactless manner; and a control unit configured to control the injection head, the control unit acquiring a forward movement distance that the pushing unit is to be moved forward after the rear end is detected, and causing the pushing unit to move forward by the forward movement distance after the rear end is detected and to stop at a position separated from the rear end.

Abstract: A syringe is applied to connect with a vial and a needle, and the syringe includes an outer protecting housing, a connecting ring, a vial housing, an inner tube, a bidirectional guiding tube device, a screwing sleeve, a ratchet, a spiral rotating rod and an injection rod unit. The connecting ring is mounted on a front end of the outer protecting housing, and the vial housing is connected with the connecting ring for assembling a vial. The inner tube, the bidirectional guiding tube device, the screwing sleeve, the ratchet, the spiral rotating rod and the injection rod unit are mounted in the outer protecting housing. The injection rod unit is rapidly pulled backward and then is pressed to move forward for injecting.

Abstract: Telescopic drive assembly comprising a rotatable threaded drive member, an outer tube assembly arranged axially moveable relative to the drive member but non-rotational relative to a frame and comprising a nut member in threaded engagement with the drive member, a transmitter tube with an outer thread, and a drive tube in threaded engagement with the transmitter tube outer thread. The outer tube assembly comprises an outer tube portion coupled non-rotationally to the nut member corresponding to the axis of rotation, the outer tube portion being allowed to pivot relative to the nut member corresponding to at least one axis perpendicular to the axis of rotation.

Abstract: The present invention relates to a combined cartridge and needle assembly (10, 15) for use in a re-useable injection device The cartridge (10) containing a pharmaceutical liquid drug and the needle assembly (15) with a needle cannula (25) is permanently attached to each other to form one single unit mountable in the re-usable injection device. The needle assembly (15) is preferably also provided with a spring operated telescopic shield (20) which carries a reservoir (40) containing a cleaning solvent for cleaning at least the distal tip (27) of the needle cannula (25) between injections.

Abstract: The present invention provides a cannula (300) with a distal end (311) and a proximal end (312), comprising a sidewall (301) defining a lumen (302) for receiving a fluid (800) from a feeding device (400, 500), wherein the sidewall (301) comprises a plurality of openings (303) for supplying the fluid (800) into a target tissue (700) of a patient. Each opening (304) is in fluid communication with the lumen (302) of the cannula (300). Furthermore, an injection or infusion device (100, 200) is provided, comprising said cannula (300) and a feeding device (400, 500) for supplying the fluid (800) to the cannula (300), wherein the cannula (300) is attached or is configured to be attachable to the feeding device (400, 500). Corresponding methods are also provided, using said cannula and/or said injection or infusion device (100, 200).

Abstract: A means and a method is disclosed to diminish or eliminate the pain associated with a sharp object penetrating the skin, during such procedures as an injection, biopsy, or deriving a blood sample. To this end, repeated tapping, pressing, or rubbing or vibrating is performed over the skin at or near the site of penetration of the sharp object in conjunction with applying electricity on the skin. The invention discloses a method of using a skin-puncturing means, with enhanced features, to provide local anesthesia at the site of penetration of a sharp object.

Abstract: The present invention provides a method of obtaining a classification boundary, to limit an axial depth in a puncturing operation. The following steps of method comprises: At first, obtaining a plurality of tomographic images from the axial depth of a tissue is performed. Then, obtaining a plurality of characteristic values from the tomographic images, the characteristic values are classified by a Support Vector Machine method. A classification boundary will be obtained through a distribution of the graph for defining a specific compartment of the tissue. In addition, an automatic recognition method and system using the above mentioned method are also disclosed in the present invention.

Abstract: An infusion pump assembly includes a locking tab and a pump barrel inside a pump barrel housing, where the pump barrel accommodates a reservoir assembly. The reservoir assembly includes a reservoir and a plunger rod. The infusion pump assembly also includes a locking disc at a terminus of the pump barrel. The locking disc includes a clearance hole for the plunger rod. The locking disc also includes at least one locking tab notch in close proximity with the locking tab. The locking tab is in moveable engagement with the locking tab notch, and the reservoir moves the locking tab from a locked position to an unlocked position when the plunger rod is inserted through clearance hole. The locking disc rotates upon torque being applied to the reservoir assembly, the locking disc rotating from a non-loaded position to a loaded position with respect to the plunger rod and a drive screw.

Abstract: A delivery device for delivery of medicament to a user including a container defining a reservoir storing the medicament, a body in which the container is received, a spray nozzle arranged on one of the body and the container for receiving medicament expelled from the container, and a pusher actuatable for pushing the medicament from the container reservoir through the nozzle, said pusher being moveable from a rest position to a fully activated position relative to said body in response to an actuating force. The assembly is particularly applicable to nasal syringes where it is desirable to deliver the medicament in the form of a spray.

Abstract: A nebulizer for efficiently and reliably delivering aerosolized fluid to an inhaling patient is disclosed. The nebulizer includes a fixed diverter and a movable fluid orifice or fluid pathway connected with an actuator for responding to an inhalation or a manual actuation and beginning the nebulization process. Also provided is a method of providing nebulization including the steps of moving a fluid orifice or fluid pathway connected to an actuator so that the fluid orifice or fluid pathway reaches a nebulizing position during inhalation.

Abstract: A trocar sleeve that isolates the surgical device or movement thereof to inhibit or prevent an established non-jet streaming condition from becoming a jet streaming condition and a method of inhibiting or preventing a jet streaming condition from occurring due to instrument obstruction.

Abstract: Dispenser for the discharge of pharmaceutical media having a liquid storage, a base body, an actuating handle that is manually displaced with respect to the base body for causing a discharge process of media from the liquid storage into an environment, and an electronic detection system for detecting discharge processes. A sensor is provided, which, subject to the displacement of a reference component mechanically coupled to the actuating handle such that during a discharge process the reference component is displaced with respect to the base body, generates an output signal. The sensor is configured for generating output signals of two distinguishable types as a function of the extent of the displacement, and is provided with an electronic calibration memory in which calibration data regarding discharge behavior of the dispenser are stored.

Abstract: Some embodiments are directed to a device for monitoring patient usage of a medicament inhaler. The medicament inhaler can be configured to deliver doses of medicament, and can include parts which move during the dispensing of a dose of medicament. The device includes a housing, for releasable attachable to the medicament inhaler, and an optical dose counter associated with the housing. The optical dose counter can be configured to determine when a dose of medicament has been dispensed by transmitting optical signals through the medicament inhaler. The device is attachable to the medicament inhaler, and is subsequently operable, without any modifications being required to be marks to the medicament inhaler. The device can also include an electronic control module which is in communication with the optical dose counter, the electronic control module being adapted to monitor and/or store data relating to patient usage of the medicament inhaler.

Abstract: A tape system for a dose counter for an inhaler, the tape system having a main elongate tape structure, dosing indicia located on the main elongate tape structure, tape positioning indicia located on the main elongate tape structure, a tape size marker located on the main elongate tape structure indicating a number of dosing indicia on the tape, and priming indicia located on the main elongate tape structure, the priming indicia being located between the dosing indicia and one end of the tape.

Abstract: A medicament dispenser, in particular a metered dose inhaler, which is able to count the number of time the dispenser is activated and then disable the device, which then prevents any additional medicament from being dispensed. Additional embodiments include a medicament dispenser which are adapted to display either the number of activations that have occurred or the number of activations remaining.

Abstract: An airflow adaptor for a breath-actuated dry powder inhaler. The airflow adaptor includes a conduit having a proximal end and a distal end, wherein the proximal end allows fluid communication from a deagglomerator outlet port to the distal end of the conduit, and wherein the airflow adaptor further includes provisions for allowing air to flow from a proximal end of the adaptor to a distal end of the adaptor independently of the airflow in the conduit when a breath induced low pressure is applied to the distal end of the airflow adaptor.

Abstract: The present invention provides an actuator (10) for a nasal inhaler (5). The actuator comprises an elongate body (15) comprising a canister opening (11), a nose piece (30) adapted for nasal delivery of a medicament, and fixing means for fixing the nose piece to the elongate body (15). The nose piece is fixable to the body at an acute angle to the elongate body. A first portion of the nose piece defines an outlet (25) for discharging a medicament from the actuator. The nose piece is adapted and the elongate body is adapted so that when the nose piece is fixed to the elongate body, the nose piece and elongate body cooperate to define a fluid communication pathway from the canister opening to the outlet. The present invention is also directed to an inhaler comprising an actuator as discussed, and a canister.

Abstract: An extendable air delivery system and a method for deciding a delivery mode therein are provided. The extendable air delivery system includes a PAP device for supplying a breathable pressured air to a patient and a sensing device to acquire physiological information from the patient by at least a sensor. The PAP device has two operations modes which are exchangeable while the air is supplied to the patient based on the connection or disconnection of the sensing device. When the sensing device is not connected to the PAP device, the PAP device enters a preset independent operation mode and performs a preloaded first air delivery behavior. When the sensing device is not connected, the PAP device enters a common operation mode, and during the common operation mode, based on the acquired physiological information, the sensing device generates a signal/data for deciding a second air delivery behavior of the PAP device.

Abstract: A system and method for periodically providing air pressure through an air line coupled to an air cuff in order to purge unwanted moisture from the air line while maintaining pressure in the air cuff. An air pressure measurement device is coupled to the air line by means of pneumatic circuit and determines whether the air pressure in the air line and coupled air cuff is equal to, greater than or less than a preprogrammed air pressure value. A pressure regulator receives the air measurement signal and is configured to control an air pressure device to increase or decrease the air pressure in the air line based upon the measured air pressure. A purge regulator controls the air pressure device to periodically cause the air pressure device to increase the air pressure in the air line to a predetermined level for a predetermined period of time at predetermined intervals in order to rid the air line of any accumulated moisture.

Abstract: Ventilator associated pneumonia (VAP) may be prevented in a patient, or its occurrence reduced in a population of patients, by using an anti-VAP device or an anti-VAP material such as an anti-VAP mouthpiece that absorbs secretions. By reducing the problem of bacterial-containing secretions that otherwise build up in the airway of, and elsewhere in, the intubated patient, VAP can be prevented from occurring in intubated patients, such as patients intubated with an endotracheal tube (ETT) or a nasogastric tube. Anti-VAP mouthpieces also are useable in non-intubated patients to maintain oral hygiene.

Abstract: Some embodiments described herein may include a system or a method in which an air delivery lumen of an endotracheal tube, a laryngeal mask, or other airway device is configured to optionally provide a suction effect.

Abstract: The invention is an improved non-rebreather face mask (NRB). The mask enables users to obtain high purity oxygen, over 80%, while minimizing the amount of pure oxygen needed to run the system by reducing dead space within the mask. The mask also features safety mechanisms to ensure users will never suffocate.

Abstract: An ergonomic nasal cannula that maximizes comfort, decreases oxygen waste, and reduces nasal pain, bacterial growth, and infections includes a nasal cushion and an airflow structure. The airflow structure supports the nasal cushion and facilitates the flow of oxygen from a nasal cannula tubing to the airway of a user, via the nasal cushion. The nasal cushion is a soft, pliable structure that rests against the nasal cavity of the user, wherein a nasal opening allows for the flow of oxygen into the nasal cavity. An anti-pathogenic material, such as elemental silver, is impregnated into the nasal cushion in order to eliminate harmful pathogens and prevent infections. A two-way valve is integrated into an outer lateral wall of the airflow structure, allowing for the introduction of inspired oxygen and preventing the build-up of pressure.

Abstract: A nasal ventilation mask having one or more attachment ports located adjacent to and overlying an upper lip of a patient when worn.

Abstract: Disclosed is a nasal ventilation mask having separate ports to monitor end-tidal CO2 expulsion integrated into the mask in order to monitor end-tidal CO2 expelled nasally or orally. Also disclosed is a CPR mask for nose-to-mouth and/or mouth-to-mouth resuscitation, having a body shaped to cover the nose and/or mouth of a victim, said mask including a CO2 absorber for eliminating at least in part rescuer's exhaled CO2 delivered to the victim.

Abstract: A collapsible joint for use with a nebulizer includes a housing connected to the source of carrier gas flow, an extensible and flexible airway and an extension connected to a patient applicator. A swivel joint for use with a nebulizer includes a swivel housing, a rotating airway pivoted in the swivel housing about a first axis of rotation; and an airway base coupling coupled to the swivel housing rotatable with respect to the swivel housing about a second axis of rotation. The first and second axes of rotation are mutually orthogonal at least in part to each other.

Abstract: A gas humidification system can have a conduit defining a gas passageway. A mass of a first absorbent material can be located in the conduit. A mass of a second absorbent material can cover at least a part of the surface of the conduit. An orifice can be located on the conduit to allow communication between the first and second absorbent materials. A heating element can be placed within, on, around, or near the first absorbent material. The heating element can heat up moisture in or on the first absorbent material such that the moisture is encouraged to join gases passing through the gas humidification system.

Abstract: Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user's body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects.

Abstract: A cannula includes a first segment configured to reside entirely within a vessel. The first segment includes a proximal exit opening disposed nearer to the heart, and multiple fenestrations disposed distally away from the proximal exit opening near a cannulation site. The fenestrations in combination with the proximal exit opening enable simultaneous perfusion of blood into the cannulated vessel along proximal and distal directions. During a medical procedure, blood introduced into a vessel (e.g., the femoral artery) by way of the cannula can exit the cannula in a manner that provides concurrent blood flow in a first set of directions proximally towards the heart and a second set of directions distally away from the heart. Radially displaceable anchoring elements positionable adjacent to the vessel's superficial wall aid retention of the first segment in the vessel. The fenestrations and/or anchoring elements can be arranged obliquely around portions of the cannula's circumference.

Abstract: A flushing device (8) usable in the catheterization of a bladder includes a flexible container (9) defining a compartment (12) adapted to be filled with a liquid, and a connector (10) attached to the container (9). The connector (10) is adapted to be connected to a catheter, and the connector (10) is provided with an opening (11). The flexible container (9) is interconnected with the connector (10) via a lumen (13), such that liquid is allowed to pass through the connector (10) in the lumen (13) from the flexible container (9) and exit through the opening (11). The flexible container further includes a non-return valve (14) arranged in the lumen (13). A kit including such flushing device (8) is also described.

Abstract: A flushable catheter configured to facilitate flushing of the catheter down the toilet and for disposal thereof. The flushable catheter optionally having a selected density such that the catheter has a desired buoyancy relative to water. Alternatively or in addition to having a selected density, the flushable catheter optionally includes a water capture element that is contacted by flushing water and captures the force of the flushing water to propel the catheter down the toilet and/or across a trapway/U-bend sewer pipe.

Abstract: The present invention generally relates to an articulating structure for use as at least part of a medical device. In one aspect, the invention features an articulating structure comprising an inner member, a sleeve, a pull wire, and an outer member. The inner member defines at least one channel on the outer surface of the inner member, the at least one channel extending along a length of the inner ember. The inner member further defines at least one lumen extending through the inner member. The sleeve is disposed in the at least one channel. The pull wire extends within a lumen of the sleeve. The outer member is disposed over the inner member and defines a lumen through which the inner member extends.

Abstract: The invention relates to a needle safety device for a medical device, the needle safety device comprising: a base portion having a bore extending along a longitudinal center axis therethrough for receiving a needle; and two opposing jaws extending from the base portion generally in the axial direction and each having a head portion in the region of its free end, wherein the needle safety device includes a locking projection for securing the needle safety device to the medical device. The needle safety device according to the invention further provides at least one elastic element mounted to the jaws in a non-surrounding manner lateral to the center axis in a region between the base portion and the head portions, wherein at least one elastic element and the jaws are configured such that the jaws can be spread apart against a restoring force of at least one elastic element in order to allow the needle received in the bore to extend all the way through the needle safety device.

Abstract: A balloon catheter includes a flexible elongated shaft and a balloon fixed to the distal portion of the shaft. The balloon expands and contracts. The balloon includes an effective expansion portion and at least one projection portion on the effective expansion portion. The effective expansion portion possesses a cylindrical shape when the balloon is expanded, and the projection portion extends for a predetermined length along the axial direction of the balloon. The projection portion has first and second parts so that the inner surface of the first part of the balloon faces the inner surface of the second part of the balloon. The first and second parts project radially outwardly away from immediately adjacent parts of the balloon. The inner surface of the first part of the balloon is at least partially welded to the inner surface of the second part of the balloon.

Abstract: A housing for use in connection with an inflation device can be coupled to a syringe body by a snap-fit connection. The snap-fit type mechanism can include an adaptor and a lock, such as a depressible lock. The housing can enclose an electrical circuit and a display screen that rests on a plurality of resilient pins. The circuit board may be held in place within the housing via one or more heat pins. The inflation device can be configured to measure pressure within a fluid reservoir of a syringe.

Abstract: A syringe body is disclosed, wherein the syringe body is configured to withstand pressures within a fluid reservoir of the syringe body of between about 0 atmospheres (atm) and about 81 atm and/or between about 0 atm and about 109 atm. The syringe body may be configured for use in connection with an inflation device. The syringe body may comprise one or more stiffening ribs and/or a stiffening lip. Methods of using the syringe body in connection with an inflation device are also disclosed.

Abstract: A system for redistributing interstitial fluid within a mammal is disclosed. The system comprises an implantable accumulation chamber, a confined flow passageway such as a catheter in communication with the accumulation chamber, and a liquid transfer pump for dispensing accumulated interstitial fluid from the accumulation chamber to a predetermined body site via the confined flow passageway.