MULTILUMEN CATHETER
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Accused Products
Abstract
A multilumen catheter having tubings extending into lumens within the catheter. The lumens may be used for blood, drugs or other medicants. The lumens may also be used for sensors. The junction element, external to the patient, connects the tubings to the lumens. The tubings, also external to the patient, connect to infusion members, to which one or more infusion systems may be connected to deliver blood, drugs and other medicants to the patient. A sensor having a sensing element may extend through the sensor lumen and be positioned internal to the patient for physiological parameter sensing. An external portion of the sensor may be connected to associated electronics to provide automatic monitoring of the physiological parameters and automatic delivery and control of the infusants. Also, a central line catheter for delivering fluids directly into a main artery or vein near the heart, which contains a first lumen to deliver a fluid through the central line catheter and a second lumen containing a sensor capable indicating a characteristic level in blood. The first lumen delivers the fluid downstream of the sensor to prevent any interference between the fluid delivery and the sensor readings. In other versions, the central line catheter can have additional lumens for additional purposes. In addition, the central line catheter can further include a flush sleeve to remove debris around the sensor.
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Citations
58 Claims
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1-38. -38. (canceled)
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39. A multilumen catheter comprising:
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a first tubing having a length dimension and a plurality of lumens; the plurality of lumens disposed within the first tubing and extending along the length dimension of the first tubing, the plurality of lumens including a sensor lumen and a first infusion lumen; a sensor lead extending within the sensor lumen along the length dimension of the first tubing to a sensor location; a sensor connected to the sensor lead and arranged at the sensor location; the first infusion lumen having an exit outlet on the first tubing at a location spaced apart along the length dimension of the first tubing from the sensor location. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48)
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49. A method of making a multilumen catheter, the method comprising:
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forming a first tubing having a length dimension and a plurality of lumens, the plurality of lumens disposed within the first tubing and extending along the length dimension of the first tubing, the plurality of lumens including a sensor lumen and a first infusion lumen; extending a sensor lead within the sensor lumen along the length dimension of the first tubing to a sensor location; connecting a sensor to the sensor lead and arranging the sensor at the sensor location; and forming an exit outlet of the first infusion lumen in the first tubing at a location spaced apart along the length dimension of the first tubing from the sensor location. - View Dependent Claims (50, 51, 52, 53, 54, 55, 56, 57, 58)
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Specification