Abstract: An integrated pump module is disclosed that includes a rigid housing having a fluid outlet, a fluid reservoir within the housing, and a pumping segment coupled between the fluid reservoir and the fluid outlet. The pumping segment is configured to cause fluid to flow from the fluid reservoir to the fluid outlet.

Abstract: A portable device for mixing a dilute disinfectant solution comprising a first reservoir comprising a predetermined amount of said disinfectant solution, a chamber which is connected to said first reservoir and which holds a predetermined amount of dilutant, and means for discharging said predetermined amount of said disinfectant solution from said first reservoir into said chamber to be mixed with said predetermined amount of dilutant in said chamber wherein said device provides the dilute disinfectant solution at a fixed dilution determined by the ratio of the predetermined amount of said disinfectant solution to the predetermined amount of dilutant.

Abstract: Vial dosing systems and methods are disclosed. A vial dosing device includes a connecting body coupleable to a vial, a cannulated plunger having a proximal end coupled to the connecting body, a dose chamber adapted to slidably receive a distal end of the cannulated plunger and to expel medicament through a distal end of the dose chamber, and a plunger tip check valve coupled to the cannulated plunger and adapted for fluid flow from the cannulated plunger through the plunger tip check valve into the dose chamber.

Abstract: An instrument guide device comprises an elongated guide shaft having proximal and distal ends and including an instrument lumen for receiving therethrough a manually operated instrument having an instrument shaft. A distal bendable member is disposed at the distal end of the guide shaft and a proximal bendable member is disposed at the proximal end of the guide shaft. Actuation means extends between the distal and proximal bendable members and provides a bending of the distal bendable member controlled from the proximal bendable member. The proximal bendable member is controlled from the manually operated instrument to cause a corresponding bending of said distal bendable member.

Abstract: The present invention relates to medical devices and particularly to a medication delivery device for self-injection of a medication, or for healthcare professionals to administer a medication. In one embodiment, a medication delivery device utilizes a source of gas pressure to deploy a needle, deliver a desired amount of medication through the needle, and retract the needle for disposal. Fluid flow paths from the source of gas pressure communicate the gas pressure to the needle and to the medication in order to accomplish these steps. In one embodiment, a valve is positioned to open and close the flow of the pressurized gas to the needle and the flow of the medication to the needle, so that the valve can be operated to deploy the needle and deliver the medication through the needle when the user is ready for the injection. The valve can also be operated to retract the needle when the dose is complete.

Abstract: Drug delivery devices and methods are provided for delivering a substance into a human or animal tissue. The device includes a gas source comprising a gas or capable of selectively producing a gas. The device also includes a drug source positioned and configured to release a drug into the gas. The drug source includes a release-activatable tape having the drug disposed thereon. The device also includes a first collimator fluidly connected with the gas source. The first collimator, which has an inlet end and an outlet end, is adapted to form a collimated gas stream comprising the drug in the gas.

Abstract: Drug delivery device and methods are provided for transdermal drug delivery through a skin. The device includes a gas source comprising a gas or capable of selectively producing a gas. The device also includes a first collimator fluidly connected with the gas source adapted to form a first plurality of collimated gas streams comprising the gas. The first collimator has an inlet end and an outlet end. The device further includes a first drug source comprising a drug. The first drug source is configured to release the drug into the first plurality of collimated gas streams between the inlet end and outlet end of the first collimator.

Abstract: Pump cassettes, wound-treatment apparatuses and methods. In some embodiments, a pump cassette comprises: a pump body having a pump chamber, an inlet valve in fluid communication with the pump chamber, and an outlet valve in fluid communication with the pump chamber; a diaphragm coupled to the pump body such that the diaphragm is movable to vary a volume in the pump chamber; and an identifier configured to store one or more properties of the pump cassette such that the identifier is readable by an automated reader to determine the one or more properties. In some embodiments, the pump cassette is configured to be removably coupled to a wound-treatment apparatus having an actuator such that the actuator can be activated to move the diaphragm.

Abstract: Delivery devices, methods and systems are provided for the delivery of particles into a biological tissue. The device includes a gas source comprising a gas or capable of selectively producing a gas; a first particle source comprising a first plurality of particles; a first collimator fluidly connected with the gas source and adapted to form a collimated stream of the first plurality of particles entrained in the gas. The device also includes a tissue-interfacing surface adapted to interface with a surface of the tissue and orient the first collimator with the tissue such that the collimated stream of the first plurality of particles will penetrate the tissue in a direction substantially perpendicular to the surface of the tissue.

Abstract: Remote controls, including a communication device, a button or other communication device actuator and a movable structure that allows actuation of the actuator in one position and prevents actuation of the actuator in another position to prevent inadvertent signal transmission.

Abstract: A device for the delivery of medicinal liquids, in which the device includes a base configured for sealing attachment to a container pre-filled with liquid medicine and a displaceable actuator element associated with the base. The association is that of a piston and a cylinder such that the base and the displaceable actuator element define between them a pressure generating volume. The base includes a piercing element having at least one air delivery passage providing fluid communication between the pressure generating volume and an interior of the container, the piercing element also includes at least one liquid delivery passage providing fluid communication between the interior of the container and a medicinal delivery element.

Abstract: This document discloses, among other things, an air-powered auto-injector device for subcutaneous delivery of a rescue drug. The device is configured for self-administered treatment of anaphylactic shock. Air is compressed by relative movement of a piston and a cylinder and released to subcutaneously drive an hypodermic needle.

Abstract: A drug supply system for CED (convection-enhanced delivery) catheter infusions is provided, the system including a drug conducting system having a drug depot and a catheter supply line and a conveying device that provides for conveying the drug from the drug depot into the catheter supply line. The drug conducting system is a system that is closed to the outside in a fluidic seal The drug supply system further includes a conveying fluid conveying system arranged between the conveying device and the drug supply system and is connected to the conveying device and to the drug depot, via a drug displacement element, without fluid-drug contact.

Abstract: A self-contained and hand-held power-assisted syringe is provided which is suitable for the controlled injection of fluid material during medical procedures such as coronary angiography procedures which utilize small-bore and small sized guide catheter systems. The present invention provides a greater degree of injection power on-demand than was previously possible in a portable and hand-held syringe; and it can deliver larger volumes of radiopaque contrast medium at greater pressures than was previously possible using a conventional manual syringe. The power assisted syringe, along with all components necessary for its effective use and operation, may be pre-packaged and steriled within a single container and then disposed of after use.

Abstract: This document discloses, among other things, an air-powered auto-injector device for subcutaneous delivery of a rescue drug. The device is configured for self-administered treatment of anaphylactic shock. Air is compressed by relative movement of a piston and a cylinder and released to subcutaneously drive an hypodermic needle.

Abstract: A catheter having a drug delivery unit at the distal end thereof. The drug delivery unit includes an actuator capable of assuming an activated and an inactivated configuration. The drug delivery unit also includes a receptacle capable of accepting a therapeutic agent. The actuator and receptacle are in communication with each other such that the actuator transmits force to the receptacle and the receptacle accepts force from the actuator in an activated configuration of the actuator. Also provided is a method of delivering a therapeutic agent to a target site using the catheter of the present invention.

Abstract: An apparatus for making and administering two non-homogenous liquids to target tissue includes a spray comprising two syringes for containing the first and second non-homogenous liquid where the syringes are adapted to be removably coupled to an applicator. The applicator includes a pair of elongated tubes each having a tubular sheath at a proximal end, a distal end and a lumen in which the pair of elongated tubes are disposed. The apparatus includes a regulator module having an inlet port adapted for connection to a source of gas under pressure and a gas outlet port adopted for connection to the gas inlet port of the sheet. A vent gas inlet port is adapted for connection to a vent port of an endoscopic cannula where the regulator vents a quantity of gas from the endoscopic cannula approximately equal to a quantity of gas introduced at the gas inlet port of the sheet.

Abstract: Tissue sensors house one or more sensor elements. Each element has a housing mounted substrate and a superstrate with a planar antenna between. A transitional periphery (TP) of a superstrate outer surface interconnects a base to a plateau. At least some of the TP has a generally smooth transition. Plural elements are spaced by the housing. Alternately, the superstrate TP is flat, the housing extends to the outer superstrate surface and a shield surrounds the element. The housing is flush with or recessed below the superstrate and defines a TP between the housing and superstrate. A method converts a reference signal to complex form; plots it in a complex plane as a reference point (RP); converts a measurement signal to complex form; plots it in the complex plane as a measurement point (MP); determine a complex distance between the MP and the RP; and compares complex distance to a threshold.

Abstract: A dual 4-bar linkage steering mechanism consists of four strip/rod-like prismatic or disk/sphere-like revolute side links, called, side link 1A, side link 1B, side link 2A and side link 2B; two strip/rod-like prismatic coupler links, called, coupler link A, coupler link B; and a common fixed link. In one option, the side link 1A and the side link 1B are integrated to act as a whole, and side link 2A and the side link 2B are also integrated to act as a whole. In other option, the side link 1A and the side link 1B are separate and move independently, and the side link 2A and the side link 2B are also separate and move independently. The coupler link A and coupler link B are either rigid or flexible.

Abstract: An over pressurization relief apparatus having a manual over pressurization selector which allows a user to manually select from at least a first and second over pressurization limit. The over pressurization relief apparatus includes a pressurization chamber, a pressure relief mechanism, a seal, and a manual over pressurization selector. The pressurization of the pressurization chamber corresponds with the pressurization of the pressure infusion bag. The pressure relief mechanism prevents additional pressurization of the pressure infusion bag once the over pressurization limit has been reached. The seal is positioned between the pressurization chamber and the pressure relief mechanism to prevent the loss of pressurization from the pressure infusion bag when the pressurization in the pressurization chamber is less than the over pressurization limit.

Abstract: The delivery of a fluid cutaneously is effected by generating a suction force on a surface of a housing. A surface of a cutaneous layer is received under the suction force about which the proximal end of a needle thereby to pierce the cutaneous surface and to effect an injection of fluid. There is generated a suction force to operate the movement of a needle in the housing. The needle is moved under the suction force from the housing thereby to permit piercing a cutaneous layer. The bladder for containing fluid is emptied under the suction into the distal end of the needle and thereby permit the expulsion of fluid through the proximal end of the needle for injection below the cutaneous layer.

Abstract: A device for producing a jet of water has a portable handheld water reservoir to be filled with warm or cold water manually by the user, a battery powered handheld air or water pump to create water pressure for the generation of water jet which is delivered through a handheld nozzle system, a thin flexible disposable nozzle protector for sanitary protection of the non-disposable nozzle and nozzle tip, and an optional new medicine dispenser on the nozzle system.

Abstract: The delivery of a fluid cutaneously is effected by generating a suction force on a surface of a housing. A surface of a cutaneous layer is received under the suction force about which the proximal end of a needle thereby to pierce the cutaneous surface and to effect an injection of fluid. There is generated a suction force to operate the movement of a needle in the housing. The needle is moved under the suction force from the housing thereby to permit piercing a cutaneous layer. The bladder for containing fluid is emptied under the suction into the distal end of the needle and thereby permit the expulsion of fluid through the proximal end of the needle for injection below the cutaneous layer.

Abstract: The invention relates to a continuous liquid infusion device which can be easily prepared for operation with small force, and can infuse liquid at constant infusion rate and amount over a long time. It comprises a liquid syringe section and a driving pump section mounted on the liquid syringe section, wherein sliding the pressing arm of the driving pump section upward leads to axially slides the piston in the negative pressure chamber to produce a negative pressure therein; and using returning force of the piston under the negative pressure, the liquid pushout plunger barrel is biased toward the upper edge of a pressing member through a locking member engaged with the piston so as to push out liquid in the liquid syringe from the liquid infusion port. Further, only the liquid syringe is disposable while the vacuum pump barrel on the driving side is good for repeated use (reusable).

Abstract: A device for storing and administering a medical fluid comprising a sealed flexible formed container with an opening part in its front end in which an insert is positioned. Over the insert, the container extends into a removable sealing cap. After removal of the sealing cap an injection means is attached to the insert and fluid administration through the insert is admitted in one direction by squeezing the container.

Abstract: The present disclosure describes a system wherein a drug or other fluid to be delivered to a specific desired location within the body is stored in a reservoir that is directly displaced by a force to infuse the drug from the device into the patient. Several specific methods are used to displace the reservoir, including, generally, hydraulic displacement, mechanical screw-type displacement, and spring force displacement of the fluid reservoir.

Abstract: A jet injector having cartridge and power pack assemblies is disclosed. In one embodiment, the cartridge assembly includes a tube containing the medicament with a plunger at one end and a stopper at the other end. The plunger is movable within the tube lumen to force the stopper against a needle, thereby creating a fluid pathway through the stopper. In another embodiment, only the plunger is movable within the tube lumen and the stopper, which can be integral to the rest of the cartridge assembly or a separate component, already has a pathway for ejection of the medicament. The present invention also relates to an energy mechanism for the power pack assembly that is a gas spring containing a charging material existing in liquid and gaseous phase equilibrium within the gas spring to maintain a substantially constant pressure prior to activation.

Abstract: A hypodermic jet injector employing self-contained, patient fillable, thin-walled disposable ampules. Each ampule includes an elongate plastic body with an injection orifice at a first end, an internal propellant at a closed second end, and a double piston slidably and sealingly mounted within the body entirely between the orifice and the internal propellant, and also includes an auxiliary access opening in the ampule side wall. An ampule chamber with a corresponding access opening in its_side wall is provided to receive and support the thin-walled ampule. The main body of the ampule is molded with draft angles, and the double piston construction includes a soft rubber plunger and a relatively hard plunger to the front and rear, respectively, of the auxiliary access opening in the ampule, with the two plungers interconnected by a connecting rod spanning the central section of the ampule.

Abstract: An injection device for injecting a filling into a wall includes a filling housing having a nozzle, and a plunger slidably engaged in the housing for drawing and injecting the filling relative to the housing. One or more vacuuming housings are secured to the filling housing and each has a plunger for vacuuming the vacuuming housing. The vacuuming housing plunger may force the plunger of the filling housing to inject the filling into the cracks of the walls. The plungers may be secured to the respective housing and may be disengaged from the housing when required.

Abstract: The present disclosure describes a system wherein a drug or other fluid to be delivered to a specific desired location within the body is stored in a reservoir that is directly displaced by a force to infuse the drug from the device into the patient. Several specific methods are used to displace the reservoir, including, generally, hydraulic displacement, mechanical screw-type displacement, and spring force displacement of the fluid reservoir.

Abstract: The invention relates to a method for regulating the rate of air fed into a gas mask, as well as to a gas mask. The power of the gas mask blower is regulated on the basis of the current and rotation speed of the blower. The invention can be applied in any facial parts of breathing masks.

Abstract: An expressor for varying the amount of fluid in a variable-volume container connected to at least one conduit includes a housing defining an enclosed chamber which can accommodate the container. The housing has at least one opening through which a conduit can extend. A pressure regulating mechanism is coupled to the housing to vary the pressure of fluid in the chamber and thereby vary the volume of the container.

Abstract: An irrigation system includes an elongated, hand-held instrument for applying a solution spray to a surgical area of a patient during surgery. The instrument includes an elongated handle having an outer ribbed surface to be hand-held. The handle has a central passageway between an inlet end and a discharge end. A nose is secured to the discharge end of the handle with a flow control valve secured within the handle. Nozzles are selectively connected to the nose to create selected flow patterns at the surgical site. The valve has an external pushbutton actuator to control the solution flow through a passageway in the body and nose. A pressurized liquid supply includes a sealed disposable, liquid solution filled bag and a sterile tube connected to the inlet end of the body. The solution bag is releasably supported within a pressurizing bag which in turn is carried on a portable stand unit.

Abstract: An infusion device including a rigid accessible housing, a flexible air bag contained within the rigid housing in use, a space next to the flexible air bag for containing a drug bag in use, a line connected between the drug bag and patient in use, a pumping device connected to the air bag, a control unit for controlling the operation of the pump which includes a sensing mechanism in communication with the line or drug bag for sensing the fluid pressure therein without contaminating the medicament in the line to the patient and wherein the pumping device is activated when the pressure in the line or drug bag passes below a predetermined level.

Abstract: Pressure infusion apparatus for controllably pressurizing infusion bags includes a flow-through pressure gauge for indicating the pressures within such infusion bags between minimum and maximum desirable pressures. A lower housing member includes a chamber and an inlet to the chamber for receiving a flow of fluid from suitable sources of pressurized fluid. A resilient member seals the chamber and is used in cooperation with telescoping members in a downstream portion of the gauge for indicating a range of pressures within the chamber from predetermined minimum pressures, below which the gauge will not indicate, and predetermined maximum pressures, above which is dangerous for continuing use of the pressure infusion apparatus. The gauge is adaptable for both use in applications which are axial and transverse with respect to the flow of fluid therethrough.

Abstract: A blood sample collecting device includes a vacuum blood sampling chamber having a blood container disposed therein, and a vacuum pump for evacuating the vacuum blood sampling chamber to collect a blood sample into the blood container under a vacuum developed in the vacuum blood sampling chamber. The amount of collected blood in the blood container, and the vacuum in the vacuum blood sampling chamber is lowered below a preset pressure on the condition that a rate of increase in the measured amount of collected blood does not reach a predetermined normal rate of increase.

Abstract: This invention relates to an apparatus for driving a syringe plunger into a barrel using manually created pneumatic pressure that is useful for inflating medical devices such as angioplaty balloons. The apparatus permits one handed, highly controlled application of pressure to a standard medical syringe.

Abstract: A cylindrical, shatter-resistant, pre-sterilized suction tube in which a vacuum is to be selectively established by the user for automatically drawing a fluid sample, such as blood, or the like, by way of a hypodermic needle. The suction tube has a seal member detachably connected across a distal end thereof and a tab member detachably connected across a proximal end. A piston is located at the interior of the tube between the seal and tab members. An elongated retracting element extends between the detachable tab member and the piston. Application by the user of an axial pulling force to the tab member after the tab member has been detached from the proximal end of the suction tube causes a corresponding axial movement of the piston towards the open proximal end of the tube for expulsing air therefrom to evacuate the tube. The piston is locked at the proximal end to completely seal the tube and preserve the integrity of the vacuum which has been established therewithin.

Abstract: A suction collection system particularly suitable for drawing fluids from a patient area and storing the fluids for later use or disposal, which is operable in any orientation of the device, thereby providing a field operable system which may be transported in battlefield conditions. The portable suction system consists of a cylindrical evacuating chamber with a top sealing cap. A suction port on the sealing cap is connected to the fluid collection bag, which consists of a laminar flexible plastic bag having an air permeable, liquid impermeable patch or portion through which air may pass for purposes of providing a vacuum suction, yet the collected fluids will remain in the bag. The suction power is provided by a vacuum pump which is electronically regulated by periodically energizing and de-energizing the pump to conserve power supply energy.

Abstract: A prefilled ampoule-syringe including an ampoule body having a smaller inner dimension than the body and a stopper means associated with an external capsule for closing the ampoule. The stopper is provided with an internal conduit having at least one transverse branch opening into a longitudinal branch between the interior of the capsule body and a needle-holding tip. The capsule is arranged for actual movement from a position within the neck where it is in a closed position to an open injection position within the ampoule body. When the capsule is in the position in the neck of the ampoule, the contents of the ampoule are in contact only with the walls of the ampoule and the inner surface of the stopper which faces into the neck. When the stopper is moved to injection position, the contents of the ampoule pass through the transverse passage and down the longitudinal passage to the needle holding tip for injection into a patient.

Abstract: The invention relates to "insemination guns" comprising an elongate body (1) at the front end of which is fixed an insemination tube (10) ("paillette") and within which is slidingly mounted an ejection rod for ejecting the tube, while an air supply is connected by an air flow passage to the tube (10) at the front end (5a) of the body.The problem posed is to provide such an apparatus which is easy to manipulate and simple to maintain.According to the present invention, the ejection rod (6) has at least one flat (16) cooperating with the circular section wall of the conduit (5) in which the ejection rod is mounted to define the air flow passage (17) beside the ejection rod (6) in the conduit.The invention is especially applicable to inseminating turkeys.