摘要:
Un appareil servant a administrer un liquide comprend une burette (16), dont la chambre (36) renferme plusieurs aubes verticales equidistantes (76) qui supportent un ecran filtre (80) ayant une surface superieure a la surface de la section de la chambre (36). Une hemisphere (84) est positionnee dans la partie superieure des aubes (76) pour etre directement sous-jacente a l'ouverture d'entree (86) de la chambre (36) de la burette pour etablir une distance maximum de chute du liquide tel que du sang, qui tombe depuis l'ouverture d'entree (86). Un clapet spherique (60) est situe a la sortie de la burette (16) et comprend une boule (62), une chambre clapet (65) et un siege (64) pour la boule, le fond (77) des aubes (76) definissant la partie superieure de la chambre (65) du clapet spherique. La chambre clapet spherique (65) comprend plusieurs organes de direction de debit d'angle (66) espaces autour de la paroi interne (68) definissant la chambre (65) du clapet spherique.
摘要:
An automatic intravenous flow regulator for regulating the infusion rate of a parenteral solution flowing from an intravenous fluid container to a patient. When the level of parenteral solution in the container is above a threshold level, the infusion takes place at a first flow rate. When the level of fluid in the container drops below the threshold level, fluid flow continues but at a second flow rate less than the first flow rate. In one embodiment, the flow rate is controlled principally from outside the IV container; while, in a second embodiment, the flow rate is controlled from within the IV container. Other embodiments are disclosed including onein which the initial flow rate may be adjusted; one in which the fluid is filtered prior to delivery to the patient; and one in which the initial flow rate is maintained at a constant value with time, secondary flow rate remains fixed, and complete filtration of the intravenous solution being infused is provided.
摘要:
An intravenous set with an automatic stopping mechanism in the drip chamber is provided. A top portion of the drip chamber may have a cap with a sharp tooth for puncturing a container or bottle. A lower portion of the drip chamber may be connected to a joint or stem that is connected to a flexible tube ending in a valve to be connected to a catheter. The drip chamber may contain a stopper for automatic control of fluid flow from the drip chamber. The stopper may include a lower part or diaphragm, a middle part or stem and an upper part. The stem and diaphragm may be connected by a stud, which is a part of the diaphragm. The stopper falls as the fluid flows through an exit of the drip chamber and closes the exit of the drip chamber when the fluid in the drip chamber is finished.
摘要:
A drip chamber is described that is used in medical infusion therapy, wherein the drip chamber utilizes valving to control flow of one or more fluids to a patient. The drip chamber includes a body forming a chamber, wherein fluid may enter via two or more flow ports, and an output port, where fluid may exit the chamber. A float controls fluid flow through one or more flow ports into the chamber such that the flow exiting the chamber may be limited to a single fluid or a combination of the fluids entering the chamber. The float is configured to be retained within the chamber, and the float moves within the chamber based on a level of fluid within the chamber. The control characteristics of the float are determinable by attributing specific buoyancy and dimensions to the float.
摘要:
An intravenous set with an automatic stopping mechanism in the drip chamber is provided. A top portion of the drip chamber may have a cap with a sharp tooth for puncturing a container or bottle. A lower portion of the drip chamber may be connected to a joint or stem that is connected to a flexible tube ending in a valve to be connected to a catheter. The drip chamber may contain a stopper for automatic control of fluid flow from the drip chamber. The stopper may include a lower part or diaphragm, a middle part or stem and an upper part. The stem and diaphragm may be connected by a stud, which is a part of the diaphragm. The stopper falls as the fluid flows through an exit of the drip chamber and closes the exit of the drip chamber when the fluid in the drip chamber is finished.
摘要:
La présente invention concerne les dispositifs avertisseurs de fin, ou de fin proche, d'une perfusion d'un fluide Fi quand le fluide est contenu dans une poche Po. Le dispositif selon l'invention est essentiellement caractérisé par le fait qu'il comporte une embase 10, deux pattes 11, 12, dont l'une 11 est montée en rotation sur l'embase 10 autour d'un axe 21 parallèle au plan de la patte 12 et situé à une distance de cette patte 12 supérieure à l'épaisseur de la poche Po quand elle est vide Pfa, la patte 11 étant apte à prendre toutes les positions entre une première position P1-1 dans laquelle son extrémité 11-2 est à une distance de la patte 12 égale à l'épaisseur de la poche Po pleine Pfg, et une seconde position P1-2 dans laquelle son extrémité 11-2 est à une distance de la patte 12 égale à la valeur de l'épaisseur de la poche vide Pfa, des moyens 40-1 pour exercer une force élastique sur patte 11 pour tendre à l'amener dans sa position P1-2, des moyens 100 pour délivrer un signal de seuil quand la distance entre l'extrémité 11-2 et la patte 12 atteint une valeur déterminée, et des moyens pour délivrer un signal d'alarme Sa en fonction du signal de seuil.
摘要:
The present disclosure provides for an airless intravenous (IV) bag which contains a specialized device, referred to herein as the airless intravasculature infusion device (AIVID). The AIVID allows one to view the amount of fluid in the IV bag but substantially decreases or completely prohibits the risk of an inadvertent air infusion into a patient.
摘要:
The present invention relates to a device for injecting a liquid medicine such as a Ringer's solution, and more particularly, to a device for regulating the amount of liquid medicine to be injected. According to the present invention, there is provided with a device for regulating the flow rate of a liquid medicine on a flow path of the liquid medicine, comprising an inflow passage for allowing the liquid medicine to be introduced therethrough; a discharge passage for allowing the liquid medicine to be discharged therethrough; a space for storing the liquid medicine introduced through the inflow passage therein; a capillary unit placed between the space and the discharge passage and having at least two capillaries and a plurality of outlets formed on the side of the discharge passage to correspond to the respective capillaries; and a discharge amount regulating valve that is placed between the capillary unit and the discharge passage and is movable to change the number of capillaries communicating with the discharge passage.
摘要:
An infusion device (310) includes an upstream pressure control device (344) and a downstream flow control device (320). The device (344) receives infusion liquid via an inlet (348) and controls the level of liquid in a chamber (346) by means of a float (350) which can close both the inlet (348) and an outlet (368). A filtered vent (362) maintains atmospheric pressure in the chamber (346). The device (320) receives infusion liquid at constant head via a flow pipe (316.1). A dripper (341) delivers droplets into an airtight chamber (324). A taper needle (330) renders an orifice (328) adjustably open to a desired degree to deliver liquid at a selected rate. Screw threaded adjustment (336) and calibration means allow calibrated adjustment. A flow pipe (316) delivers a metered flow of infusion liquid for infusion into a human or animal body.