摘要:
A medical connector can include a body having a fluid path with an inlet port, an outlet port, a luer portion, and a post extending through a fluid path. An arm having a latch member is coupled to the body to engage a ridge or thread on an exterior surface of a reciprocal connector. The arm may also include an extension. When the connector is in an open position, the latch member restricts retraction of the reciprocal connector from the outlet port. A seal is coupled to the body and includes a flap extending across the outlet port or a bellows to compress along an axis. In a closed position, the post restricts flow through the luer portion. In an open position, the post permits flow through the luer portion.
摘要:
A medical device assembly comprises a drainage member having a proximal end, a distal end, and a body defining a lumen extending therebetween. The lumen is in fluid communication with a medical device at the proximal end. The lumen is also in fluid communication with a collection container at the distal end. The drainage member body is attached to the collection container. The body includes a valve configured to control fluid flow between the drainage member and the collection container.
摘要:
The disclosed invention provides a breathing circuit that includes a volume regulator that includes only three ports which include an inlet port connected to the exhalation port, a first outlet port connected to atmosphere, and a second outlet port connected to the moisturizer assembly. The breathing circuit is used for a ventilation system that delivers breaths to a patient. The inlet port of the volume regulator includes a flapper valve that moves only inward at an open position to receive the exhaled gas from the patient. The first outlet port includes a flapper valve that moves outward at an open position to exhaust gas in the volume regulator into the atmosphere. The second outlet port includes a flapper valve that moves only outward at an open position to exhaust gas in the volume regulator into the moisturizer assembly.
摘要:
A medical connector can include a body having a fluid path with an inlet port, an outlet port, a luer portion, and a post extending through a fluid path. An arm having a latch member is coupled to the body to engage a ridge or thread on an exterior surface of a reciprocal connector. The arm may also include an extension. When the connector is in an open position, the latch member restricts retraction of the reciprocal connector from the outlet port. A seal is coupled to the body and includes a flap extending across the outlet port or a bellows to compress along an axis. In a closed position, the post restricts flow through the luer portion. In an open position, the post permits flow through the luer portion.
摘要:
A valve to perform lung volume reduction procedures is described. The valve is formed of a braided structure that is adapted for endoscopic insertion in a bronchial passage of a patient's lung. The braided structure has a proximal end and a distal end and is covered with a non porous coating adapted to prevent flow of air into the . A constricted portion of the braided structure is used to prevent flow of air through a central lumen of the structure, and to define at least one funnel shaped portion. The funnel shaped portion blocks the flow of air towards the constriction, i.e. towards the core of the lung. At least one hole is formed in the braided structure to permit flow of mucus from the distal end to the proximal end, to be expelled out of the lungs.
摘要:
A valve to perform lung volume reduction procedures is described. The valve is formed of a braided structure that is adapted for endoscopic insertion in a bronchial passage of a patient's lung. The braided structure has a proximal end and a distal end and is covered with a non porous coating adapted to prevent flow of air into the. A constricted portion of the braided structure is used to prevent flow of air through a central lumen of the structure, and to define at least one funnel shaped portion. The funnel shaped portion blocks the flow of air towards the constriction, i.e. towards the core of the lung. At least one hole is formed in the braided structure to permit flow of mucus from the distal end to the proximal end, to be expelled out of the lungs.
摘要:
One-way valve, especially low-pressure check valve, for use in the medical technology, having a housing consisting of an inlet half and an outlet half and having an inlet channel and an outlet channel with a diaphragm being positioned in a pressure space which is contacting an annular valve seat under pre-tension which is opening into the outlet channel. The pressure space is consisting of two pressure chambers. In the direction of flow before the closing mechanism formed by the valve seat and the diaphragm a second valve mechanism is provided which is opening in the same sense with the first closing mechanism at an over-pressure in the entry channel and which is closing at an over-pressure in the exit channel.
摘要:
A delivery device and a method for administering a fluid from a fluid reservoir, wherein an unintended free flow of the fluid from the reservoir to a recipient is reliably prevented, are disclosed. The delivery device has a tank for the fluid; a fluid delivery device which delivers the fluid from the tank; a valve body providing an input hole and an output hole; and an infusion set in order to guide the fluid from the tank to a distal end of the delivery device. The delivery device further provides a shutter assembly which is or can be mounted to the valve body and prevents the fluid from flowing inside the infusion set when the fluid exhibits a pressure which is lower than a predefined pressure.
摘要:
A check valve for use in a Y-site in an infusion system comprises a fixation portion configured to retain the check valve in a common lumen of the Y-site, and a flap member extending axially from the fixation portion. The flap member has an outer surface, at least a portion of which is configured to engage an internal wall of the common lumen overlying an inlet from a main lumen. In one embodiment, the flap member comprises a pocket surrounding the hole and any burr extending from the wall adjacent the hole. In some embodiments, the flap member is resiliently biased towards a sealed position, and can flex to allow fluid flow from the main lumen to the common lumen.
摘要:
A bistable microvalve of shape memory material is operatively connected to a microcatheter. The bistable microvalve includes a tip that can be closed off until it is in the desired position. Once it is in position it can opened and closed. The system uses heat and pressure to open and close the microvalve. The shape memory material will change stiffness and shape when heated above a transition temperature. The shape memory material is adapted to move from a first shape to a second shape, either open or closed, where it can perform a desired function.