Abstract: A dosing unit for an ambulatory infusion device and a method of operation are disclosed. The dosing unit includes a stationary member, a movable member, and a plunger. The movable member and the stationary member, together, make a charging valve and a discharging valve. The plunger is located, at least in part, in a metering cavity of the movable member and the movable member is adapted to selectively couple and decouple a driving unit, such that, by operating the driving unit with the movable member being coupled with the driving unit, the movable member moves with the plunger to maintain a position of the plunger relative to the movable member along a displacement axis, and by operating the driving unit with the movable member being decoupled from the driving unit, the plunger is displaced while the position of the movable member is maintained.

Abstract: Various arrangements of fluidics systems are disclosed. In one arrangement, an aspiration circuit for a fluidics system is disclosed that selectively controls aspiration. The aspiration circuit comprises an aspiration line operatively connected to a surgical instrument, an aspiration exhaust line operatively connected to a waste receptacle; an aspiration vent line connected at a first end to the aspiration line; and a selectively variable vent valve operatively connected to the aspiration vent line. The variable vent valve may be selectively moved to vary aspiration pressure within the aspiration line. Other fluidics systems are disclosed that include a selectively positionable irrigation valve that may also be incorporated into a fluidics system that includes a variable vent valve.

Abstract: A device, system and method are provided for controlling the rate of infusion of fluids during infusion therapy using non-electric infusion devices. Rotation of a flow regulator dial causes an orifice connected to the inlet to modify its position relative to a particular one or more orifices or groove portions, the characteristics of which provide a certain flow rate characteristic. The regulator allows for the infusion pump to infuse at a rate that may be varied during use by the user.

Abstract: The invention relates to a system for the extraction and infusion of a body fluid, in particular a system for the extraction and infusion of blood, having a fluid distribution device with an outer structural element at which several connection ports are formed and an inner structural element which is arranged, at least partially, in a seat in the outer structural element, is displaceable between positions and has a hollow space configured for the intake and discharge of a fluid. The invention also relates to a method for operating a system for the extraction and infusion of a body fluid.

Abstract: A bronchotracheal access valve for a bronchoaspiration apparatus. The valve is characterized in that the rotation of a second member in a given direction with respect to a first member moves the valve from a configuration in which a conduit communicates hydraulically with a sleeve, to a configuration in which the conduit communicates hydraulically with a flush conduit via a duct and a channel to flush an end portion of a catheter.

Abstract: A valve is disclosed that has a body with an inlet, an outlet, and a needleless access port coupled to the body. The access port has an interior space and is configured to be actuated by a needleless connector. The inlet is selectively coupled to the outlet through the interior space such that fluid entering the inlet entirely flows through the interior space to the outlet.

Abstract: A medical product is configured for use in a medical system. A method is provided for sterilizing the product. A connector connects a first subsystem and a second subsystem, containing a medical fluid, for transport of the medical fluid from the second subsystem to the first subsystem. The connector comprises a valve device, a first connection pipe connected to the first subsystem, and a second connection pipe connected to the second subsystem. The valve device comprises a first part and a second part movable relative to each other to permit an opening movement from a closed stable position, which prevents a fluid communication between the connection pipes, to an open position, which establishes a channel permitting the fluid communication. The connector comprises at least one small passage permitting, in the closed stable position, an introduction of a sterilizing gas to contact wall surfaces defining the channel.

Abstract: A multiway cock has a cock body, a cock member, and a cover. The cock body has a circular tube part that has a first portion and a second portion arranged parallel to each other along the axis of the circular tube part. A first port and a second port are formed in the outer periphery of the first portion, and a third port, a fourth port, a fifth port, and a sixth port are formed in the outer periphery of the second portion. The cock member has a barrel part in which a first flow passage and a second flow passage are formed, a lever installation part, and a lever. Opening or closing of the first to sixth ports formed in the first portion and the second portion can be selected by rotating the cock member.

Abstract: A system to minimize fluid turbulence inside a tissue cavity during endoscopic procedures. A body tissue cavity of a subject is distended by continuous flow irrigation using a solenoid operated pump on the inflow side and a positive displacement pump, such as a peristaltic pump, on the outflow side, such that the amplitude of the pressure pulsations created by the outflow positive displacement pump inside the said tissue cavity is substantially dampened to almost negligible levels. The present invention also provides a method for accurately determining the rate of fluid loss into the subject's body system during any endoscopic procedure without utilizing any deficit weight or fluid volume calculation, the same being accomplished by using two fluid flow rate sensors. The present invention also provides a system of creating and maintaining any desired pressure in a body tissue cavity for any desired cavity outflow rate.

Abstract: Disclosed herein is a fluid infusion device of the type that delivers medication fluid to the body of a patient. The device includes or cooperates with a fluid reservoir, and the device has a sealing assembly to receive and form a fluid seal with the fluid reservoir. A retractable sealing element surrounding a hollow fluid delivery needle may be used to seal a port of the fluid reservoir. The port may include a pressure vent that is sealed by the retractable sealing element. In one variation, the reservoir includes a moving valve sleeve that holds a septum. The septum moves to allow the reservoir to vent, and to form a seal with the port when the needle pierces the septum. In another variation, the device includes a needleless sealing assembly. In yet other variations, the device uses a needled fluid reservoir.

Abstract: An adaptor for use with a medical catheter comprises a housing having a first tubular channel with a first longitudinal axis, a dial having a second tubular channel with a second longitudinal axis, and an adaptor fitting removably connected to the second tubular channel. The dial is rotatable between an open position and a closed position when the adaptor fitting is connected thereto. In the open position the first tubular channel is fluidly connected to the second tubular channel, and in the closed position the first tubular channel is not fluidly connected to the second tubular channel. The dial may be configured such that it is not rotatable between the open position and the closed position when the adaptor fitting is not connected thereto. The housing may comprise an upper housing member, an intermediate housing member, and a lower housing member.

Abstract: An oral disposable apparatus to deliver a fluid, e.g., pharmacological agent to a patient in a one handed easy to use and sanitary manner. The apparatus includes a container capable of holding the fluid. The container is hermetically sealed with a specified quantity of fluid. A nozzle is coupled to the container. The nozzle is configured to permit comfortable insertion into a patient's mouth. An integral valve is coupled to the container and the nozzle. The valve is configured to be activated via rotation of the nozzle, thereby releasing the fluid.

Abstract: A system and method for mixing and delivering fluids such as contrast media and saline is disclosed including at least two fluid sources, a pump, a joining fluid path connecting the at least two fluid sources to an inlet to the pump, and a valve device in the fluid path upstream of the pump. The valve device includes an actuator adapted to restrict flow in at least one of respective fluid lines connecting the at least two fluid sources to the pump inlet. A patient interface device may be associated with an outlet of the pump. The valve device actuator is generally adapted to restrict the flow in at least one of the respective fluid lines such that a positional change in valve device actuator position provides a change in fluid mixture ratio of the fluids from the at least two fluid sources to the pump inlet.

Abstract: The present invention provides a vagina cleaning device for cleaning vaginas. The vagina cleaning device comprises a body having a first end and a second end, the first end being attachable to a hose for conveying water thereto, inserting nozzle portion being attached to the second end and a flow-pattern regulator engaged in the nozzle portion for regulating the pattern of the water flow through the nozzle portion and into a vagina for cleaning thereof. The cleaning device may comprise a set of devices each having a different flow pattern regulator, or a plurality of different flow pattern regulators may be interchanged in the same cleaning device.

Abstract: A therapeutic fluid delivery device that includes at least one controllable valve is generally described. In one example, an implantable therapeutic fluid delivery system includes a first fluid pathway configured to convey a first therapeutic fluid and a second fluid pathway configured to convey a second therapeutic fluid, the second fluid pathway being separate from the first fluid pathway. The therapeutic fluid delivery system includes a valve connected to the first fluid pathway and the second fluid pathway, and a processor configured to control actuation of the value to open and close the first fluid pathway and to open and close the second fluid pathway.

Abstract: A nasal passage washing device includes a pliable body including an open top; and an applicator cap removably attached to the pliable body to cover and uncover the open top. The applicator cap includes an applicator tip having a substantially frustoconical configuration sized and shaped for receipt at least partially within a nostril of a user for sealing engagement therewith, the applicator tip including a hole to transfer washing solution there through, a washing solution transfer tube in communication with the hole of the applicator tip and a bottom of an inside of the pliable body to transfer washing solution from the bottom of the inside of the pliable body to the hole of the applicator tip, and a one-way air valve that only allows air flow into the pliable body through the one-way air valve and does not allow air flow and washing solution flow out of the pliable body through the one-way air valve.

Abstract: The present invention provides an apparatus for controlling an administration rate of medical fluid. The apparatus is configured such that medical fluid supplied into a single inlet tube is divided by a plurality of capillary tubes into several streams of medical fluid which have different flow rates, and the tubes through which the streams of medical fluid flow are switched by a multi-valve to select one of various flow pathways. Therefore, the flow rate of medical fluid can be quantitatively selected so that an appropriate amount of medical fluid is administered to an administration target, such as a patient, along the selected flow pathway.

Abstract: A device for transferring fluids between an internal structure in a living body and an exterior thereof, comprises a housing including a pressure activated lumen extending to a distal end opening to a power injection lumen that extends to a distal port configured for connection to a fluid conduit extending to a target structure within the body and a pressure activated valve extending across the pressure activated lumen and controlling fluid flow therethrough, the pressure activated valve opening to permit fluid flow therethrough into the power injection lumen when a fluid pressure differential thereacross is at least a first predetermined threshold level and remaining sealed when the fluid pressure differential thereacross is less than the first threshold level in combination with a proximal port coupled to the housing for movement between a first position in which a proximal end of the power injection lumen opens to the proximal port and a second position in which a proximal end of the pressure activated lum

Abstract: A device for regulating the flow rate of a medical liquid includes a body provided with elements associated with corresponding parts connected together but torsionally free, at least one of the parts including a plurality of recesses acting as flow regulator able to modify the flow rate of the liquid directed towards the patient by rotating the parts about a common axis of rotation. Between the parts a seal element enables the recesses to be selectively connected together via communication elements, so achieving flow rate regulation. Transverse sealers are provided between the seal element and at least the second part of the parts which are interconnected but torsionally free. The transverse sealers preventing the escape of liquid from the recesses and from the body of the device following a relative movement or misalignment between the parts in a plane perpendicular to the axis of rotation or along this latter during flow regulation or following any angular misalignment of the parts relative to the axis.

Abstract: A trocar assembly includes a trocar valve body defining a cavity. The assembly includes a rotatable valve handle that is elongated and has a first end and a second end. The first end is sized and configured to be rotatably maintained within the cavity and the second end extends outwardly so as to be actuatable by a user. The rotatable valve handle defines a lumen therethrough which extends longitudinally from the first end to the second end. The valve body defines an outlet that communicates with the cavity. The rotatable valve handle is rotatable from an open position, in which the lumen is at least partially aligned with the outlet so as permit fluid to pass through the lumen, and a closed position, in which the lumen is not aligned with the outlet so as prevent fluid to pass through the lumen.

Abstract: A flow control manifold includes a valve housing having first and second inlets and an outlet. The valve housing defines a cavity sized to slideably engage a valve having a first position and a second position. The flow control manifold may further include a first flow path defined within the valve and a second flow path defined within the valve such that the first flow path fluidly couples the first and second inlets to the outlet along the second flow path when the valve is in the first position.

Abstract: The application relates to a device for feeding medical fluids, in particular for applying a pharmaceutical into the hose line of a transfer unit for enteral or parenteral nutrition. The device comprises a base body (1) having an inlet (1A) and an outlet (1B) and a rotatable closure body (2) which has an inlet (2A). The device is characterized in that the base body (1) comprises a hollow cylindrical attachment piece (4) ending in the passage (1E) of the base body between the inlet and outlet (1B, 1B), and the closure body comprises a cylindrical shut-off body (11) that is arranged in the closure body (2) such that the shut-off body (11) sits in the attachment piece (4) of the base body (1) in a sealing manner in a first position of the closure body (2), so that a fluid connection between the inlet (2A) of the closure body (2) and the passage (1E) of the base body (1) is interrupted, and does not sit in the attachment piece in a second position of the closure body, so that the fluid connection is established.

Abstract: Apparatus for the aspiration of a fluid from an individual, the apparatus comprising a port in fluid communication with the atmosphere; a catheter having a proximal end arranged to be inserted into the body of an individual and having a distal end; a one-way valve; and a fluid passage switch reversibly movable between a first position in which the distal end of the catheter is in fluid communication with the port and a second position in which the distal end of the catheter is in fluid communication with the one-way valve, the one-way valve being arranged to permit fluid flow there through in a direction from the distal end of the catheter. The apparatus may be used for both the aspiration of fluid from within the body and instillation of fluid into the body.

Abstract: A valve mechanism for use with a feeding set includes a reservoir of liquid and a metering device. The valve mechanism includes a valve body including a reservoir port adapted to be fluidly connected to the reservoir, a metering port adapted to be fluidly connected to the metering device, a feeding port adapted to be in fluid communication with the patient, and a priming port in fluid communication with atmosphere. A valve member in the valve body is adapted to selectively fluidly connect the reservoir port to the priming port, to fluidly connect the reservoir port to the metering port, and to fluidly connect the metering port to the feeding port.

Abstract: A flow control device for medical liquid including a housing having an inlet and an outlet, and a channel formed in an inner surface of the housing, the channel extending at least partly in axial direction; a rotatable member rotatable in relation to the housing without being axially displaced, the rotatable member having at least two apertures; and a core member arranged inside the rotatable member, fixedly connected to the rotatable member. A helical flow path is formed between the lateral surface of the core member and the inner surface of the rotatable member, the at least two apertures of the rotatable member being in communication with said helical flow path, and wherein each of the apertures debouches into the channel in at least one rotational position of the rotatable member.

Abstract: A liquid medication dispenser includes a housing that has open top and bottom. The housing includes a central channel and a plurality of internal compartments disposed around the central channel. Each internal compartment is configured to hold liquid medication. The central channel is provided with symmetrically disposed bottom apertures configured to open into respective internal compartments. A shaft is configured to rotate and advance within the central channel. The shaft has a bottom hollow portion and at least one lateral aperture thereon configured to align with each one of the bottom channel apertures. The lateral shaft aperture aligns with a respective bottom channel aperture to allow transfer of liquid medication under gravity from the corresponding internal compartment into the bottom hollow portion of the shaft. The bottom hollow portion is apertured at one end to allow for transferred liquid medication to drip out of the dispenser in a controlled fashion.

Abstract: A medical valve has an open mode that permits fluid flow, and a closed mode that prevents fluid flow. The valve has a housing having an inlet and an outlet, and a valving mechanism within the housing to alternatively fluidly connect the inlet and the outlet. The valve is in the open mode when the inlet and outlet fluidly connect. Insertion of a medical implement into the inlet produces a positive fluid displacement at the outlet. In addition, withdrawal of the medical implement as the valve transitions from the open mode to the closed mode produces a substantially neutral fluid displacement at the outlet.

Abstract: A valve assembly includes a valve collar, a rotatable valve control member, and a flexible valve member disposed therebetween. The valve control member and the valve collar are aligned to define an elongated passageway, and the flexible valve member is disposed along the passageway. The valve collar is structured such that at least a portion thereof is capable of radial flexure upon engagement with a mechanism on the rotatable valve control member. One end of the valve member is secured to the valve collar, and the other end is secured to the rotatable valve control member.

Abstract: A connector (100) for a medical device including a body (110) having a proximal end (114), a distal end (112), and a passage (116) extending therethrough between the proximal end and the distal end that fluidly connects the proximal end and the distal end. The proximal end (114) includes a connecting portion (119) for releasably connecting the connector to an external device. The distal end (112) is fluidly connected to a conduit. A cylinder (124) is rotatably disposed in the passage (116) between first position and a second position, wherein the cylinder includes an opening (128) extending generally diametrically therethrough. One or both ends (130,132;230,232) of the cylinder provide manually- or tool-engageable sections (136;236) to enable rotation of the cylinder between open and closed positions, allowing and preventing fluid flow through the connector (100), respectively.

Abstract: A luer activated device for infusing and aspirating fluids to and from a variety of fluid systems. The luer activated device includes a housing and employs a variety of valves that permit and prevent the transfer of fluids through the housing into or out of various fluid systems.

Abstract: An apparatus includes a first valve having an inlet capable of being in fluid communication with a first fluid source, an outlet capable of being in fluid communication with the inlet, and two unidirectional valves. The first valve is capable of being in a first mode in which the inlet is in fluid communication with the outlet through a first flow path, and a second mode in which the inlet is in fluid communication with the outlet through a second flow path isolated from the first flow path. The two unidirectional valves are along the second flow path.

Abstract: The invention comprises a hemostatic valve apparatus used in medical procedures that provides a valve that is always sealed. The valve apparatus incorporates a double twist and a rotation member placed between the ends of the valve. Because the valve is never fully opened, either no fluids or an insignificant amount of fluids will flow when used in surgical or interventional procedures. The invention also comprises a valve conduit with first and second fixed ends and a rotatable member positioned between the first and second ends.

Abstract: A medical valve device includes a valve unit. The valve unit includes two fluid channels and is positionable to selectably connect two inlet ports and an outlet port such that in one position, fluid introduced at a first inlet port is caused to flow in a first fluid channel to a second inlet port and thence in a second fluid channel from said second inlet port to said outlet port.

Abstract: A mixing syringe and method for using the mixing syringe are provided. The mixing syringe comprises a housing having a first compartment for containing a first component, an outer plunger having a second compartment for containing a second component, and an inner plunger. Prior to use, a seal separates the first and second components. To prepare the mixture, the seal is pierced and the two components are mixed. The mixing syringe and its method of use are particularly suited to applications in which at least one of the mixture components is a relatively highly viscous material.

Abstract: A medical device having a vascular access device including a rotationally activated flow control valve having, a body including a distal adapter and a proximal adapter defining a lumen extending therethrough and a septum. A method of use in which the connection of first and second medical devices results in the automatic activation of the rotational flow control valve.

Abstract: A rotary medical manifold, for delivering various fluids through a patient delivery mechanism is described. The rotary manifold can include a manifold body and a valve stem. The manifold body can include a central cavity, an output port, a first fluid port, and a second fluid port. The valve stem can include an injector port, and a single central fluid passage. The valve stem can be adapted to slibably engage the central cavity of the manifold body and provide selective fluidic connectivity between the injector port and the output port, the first fluid port and the second fluid port.

Abstract: A pressure compensating IV rate flow regulator having a housing with a metering port and an outlet. The flow rate is set by adjusting a flexible disk to vary the clearance between metering port and flow passageway. The controlled fluid passes to a land surrounding the outlet. A flexible control membrane having specific design and material characteristics extends across the land and will move or oscillate away or towards the outlet port in response to changes in head pressure, venous back pressure or patient movement. The resulting oscillation of the membrane serves to maintain the flow rate originally set by the clinician. The regulator is provided with safety and operational convenience features such as tactile indicators for “off” and KVO settings and has provision for use with accessory items such as a pole mount holder or anchoring device secured at the forearm or chest.

Abstract: A medical valve transitions between an open mode that permits fluid flow, and a closed mode that prevents fluid flow. To that end, the valve has a housing with an inlet and an outlet, and a movable member with a member channel therethrough. The movable member is movable to cause the valve to transition from the closed mode to the open mode after insertion of a medical implement into the inlet. The member channel fluidly communicates the inlet and the outlet when in the open mode. The valve also has a resilient member with a member flow path in fluid communication with the outlet. The movable member slides along the resilient member when transitioning between the open mode and the closed mode. The resilient member normally has a flange (about the member flow path) that is compressed by the movable member. The flange fluidly disconnects the member flow path from the member channel when in the closed mode.

Abstract: Low profile adaptor for use with a medical catheter, such as a gastrostomy feeding tube. In a preferred embodiment, the adaptor comprises a body having a lower portion and an upper portion. A first channel is provided in the lower portion, and a second channel is provided in the upper portion, the first and second channels being perpendicular to and in fluid communication with one another. A generally cylindrical stem is coaxially positioned within the second channel, the stem being rotatably mounted about its longitudinal axis. The stem is hollow and has an open front end, a closed rear end and a hole in its side wall, the hole being rotatably alignable with the first channel. To facilitate rotational alignment of the hole with the first channel, a stop is formed on the exterior of the stem, the stop being engageable with a surface positioned within the second channel. The front end of the stem is recessed relative to the front end of the second channel to prevent unwanted rotation of the stem.

Abstract: A device is described for fitting and removing a closing means (27, 29) on an end portion (13) of a tubular element (3), comprising: a container (1) defining an internal chamber (18); a rotating platform (19) inside said chamber at the bottom (16) thereof; a receiving housing (26) that is able to receive and hold a first closing means (27) from said end portion of tubular element; and a releasing housing (28) that is able to contain and release a second closing means (29), in said end portion of tubular element; said receiving and releasing housings provided with an opening for passage of the closing means, being fixed on said rotating platform with said opening turned towards said perimeter walls (17) of the container. The device can be used as a connector for peritoneal dialysis and minimizes or eliminates the risks of contamination, also of pathogens, and the risks of peritonitis.

Abstract: A manual valve actuator for a medical fluid delivery set is disclosed. The manual valve actuator comprises a holder adapted to removably receive a valve mechanism of the medical fluid delivery set, a valve driver, and a handle for rotating the valve driver and thereby the valve rotor when the valve mechanism is received in the holder. Also disclosed is a method for rinsing a medical fluid delivery set utilizing the manual valve actuator.

Abstract: An IV flow regulator includes a housing, a flow control disk, a screw, and a dial. The flow control disk establishes a rate of flow through the housing. The flow rate regulator further includes alignment features allowing for high volume manufacturing while also being assembled into an accurate and reliable flow rate regulator.

Abstract: A multiway cock has a cock body, a cock member, and a cover. The cock body has a circular tube part that has a first portion and a second portion arranged parallel to each other along the axis of the circular tube part. A first port and a second port are formed in the outer periphery of the first portion, and a third port, a fourth port, a fifth port, and a sixth port are formed in the outer periphery of the second portion. The cock member has a barrel part in which a first flow passage and a second flow passage are formed, a lever installation part, and a lever. Opening or closing of the first to sixth ports formed in the first portion and the second portion can be selected by rotating the cock member.

Abstract: A closed blood sampling system within a pressure monitoring line having a control valve that enables a clearance reservoir to be isolated from the pressure column when no samples are being taken. The valve is a stopcock-like device that includes a rotating valve member and attached control handle with clear visible and tactile indicators for the mode of operation. The rotating valve member has a number of internal and circumferential channels for connecting or disconnecting select ports in the core of the valve. By isolating the clearance reservoir, the quality of the pressure signal is improved such that the sampling line can be lengthened for greater convenience in the intensive care or operating room. The valve may also incorporate a blunt cannula sampling site therewithin.

Abstract: A three-way stopcock that can be opened/closed in the same manner as conventional operation methods and can reduce stagnated portions of fluid in a fluid flow passage. Out of branch openings, a first branch opening and a second branch opening are arranged on a straight line, and a third branch opening is directed perpendicularly to the line connecting the first and second branch openings. Provided at a flow passage switch portion are a first flow-passage opening and a second flow-passage opening that are arranged on a straight line and a third flow-passage opening that is directed perpendicularly to the line connecting the first and second bran openings.

Abstract: The present invention is directed to a valve hub comprising a hemostasis valve enclosed within a housing, the housing having an upper portion and a lower portion and an access port aligned with the vertical axis of the hemostasis valve; wherein the lower portion of valve hub is engaged within a connector such as a luer fitting, such that the valve hub rotates freely about its vertical axis. The present invention is also directed to medical devices comprising such valves hubs and catheters, as well as methods for assembling such devices and performing medical procedures using such devices.

Abstract: A medical stopcock with a cap is provided which includes a chamber part; an upstream branch pipe, a downstream branch pipe and a supplementary upstream branch pipe which are connected to the chamber part, respectively; a rotary valve which can link in communication and block the areas between the chamber part and the upstream branch pipe, downstream branch pipe and supplementary upstream branch pipe, respectively; and a cap which can be attached to and detached from the supplementary upstream branch pipe. The cap is provided with an insertion part to which a filter is fitted, and the movement of liquid between the chamber part and the supplementary upstream branch pipe can be prevented when the cap is fitted to the supplementary upstream branch pipe with the insertion part inserted into the supplementary upstream branch pipe.

Abstract: The present invention is related to a liquid blocking apparatus and a system thereof, wherein if the liquid contained in an IV bag or a liquid tank is oozed out completely, the flow of liquid is blocked, the alarm lamp is turned on, the alarm sound is generated, and then the supply of liquid is maintained for a predetermined time.

Abstract: A flow regulator for medical liquids comprising a first body and a second body coupled to one another in a rotatable way and a gasket set between them and overmolded on the second body. Provided thereon is at least one graduated scale formed by impressions and/or, respectively, by reliefs integral with the second body, and by inserts and/or, respectively, by complementary openings of a side skirt of the overmolded gasket.

Abstract: The invention relates to a medical pump device comprising a rotary valve (13) having preferably only one rectilinear channel (20) which respectively connects the inlet (4) and the outlet (7) of the pump device, or connects the inlet to a pump chamber (15), or said pump chamber to the outlet, upon rotation of the rotary element (19) of the valve. The invention enables a medical pump device to be especially easily produced, said pump device being preferably inserted between an infusion syringe driver or an infusion container and a catheter, and being used to supply small quantities of liquid in an accurately dosed manner.