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1374 results about "Gastric tube feeding" patented technology

A gastric feeding tube (G-tube or "button") is a tube inserted through a small incision in the abdomen into the stomach and is used for long-term enteral nutrition.

Flexible visually directed medical intubation instrument and method

InactiveUS20090318757A1Reduce instrument costSurgeryEndoscopesViewing instrumentNose
A flexible medical intubation instrument provided for placement into an animal or human patient comprises a catheter with at least a pair of longitudinally extending lumens or channels including a sensor and/or actuator channel and a working channel. In the sensor/actuator channel is provided a fixed or slideably removable sensor cable having a sensor for sensing a characteristic or condition including any of the following: a visual sensor for optical viewing, a chemical sensor, a pH sensor, a pressure sensor, an infection sensor, an audio sensor, or a temperature sensor. The sensors are coupled by the sensor/actuator cable through light transmission, electric current, or radio transmission to a viewing instrument or other output device such as a meter or video screen for displaying the condition that is sensed within the body of the patient while the flexibility of the composite structure comprising the catheter and cable enable the entire instrument to flex laterally as it moves through curved passages or around obstructions during insertion or removal. While making observations through the sensor channel, the working channel simultaneously functions as a drain or an irrigation duct, a feeding tube, or to provide a passage for the insertion of one or a succession of surgical devices such that the catheter serves as a protective artificial tract or liner as surgical devices are inserted and removed through it in succession so as to minimize tissue trauma, infection, and pain experienced by the patient. The instrument can be used in urology, as well as a visually directed nasogastric tube, as a visually directed external gastrostomy tube, or as a visually directed internal gastric tube or percutaneous endoscopic gastrostomy tube and in other applications.

Guided catheter with removable magnetic guide

A feeding tube apparatus, a kit containing the feed tube apparatus and method for intubating a patient to deliver the feeding tube apparatus to the desired location for delivering nutrients and/or medication are described herein. The feeding tube apparatus (10) contains at least a catheter (20) and a removable stylet (30), where the removable stylet contains one or more magnetic materials (32a-j). In one embodiment, the stylet contains more than one magnetic material in the form of a magnet stack (33). The feeding tube apparatus is used in combination with a suitable external magnet (40) which a medical practitioner can use to guide the feeding tube apparatus (10) through the intestinal tract. Optionally, the feeding tube apparatus contains additional components, such as a spring wire guide. The feeding tube apparatus is inserted into the patient's body and the external magnet (40) is applied to the patient's body within the minimum distance required to create a magnetic field between the external magnet (40) and the magnetic material(s) (32) located at the distal end (34) of the stylet (30) that is sufficiently strong to allow the external magnet to guide the catheter and stylet through the intestinal tract, and into the distal duodenum (470) of the small intestine. Once the catheter is placed in the desired location, the stylet is removed, thereby removing the magnetic material(s) from the feeding tube apparatus. This allows for the catheter to remain in place while the patient undergoes diagnostic testing, such as magnetic resonance imaging.

Continuous flow method and apparatus for making biodiesel fuel

In an economical and efficient process and apparatus for producing biofuel from waste oil, such as vegetable oils and animal fats, waste oil is esterified with alcohols to produce alcohol esters and the by-products of the transesterification reaction are recovered. Static pressure may be used as well as continuous flow-through reaction vessels and separation tanks without the need for additional pumps. There may also be specialized reaction tanks that have vertical rotating feed tubes having separators and inlet and outlet openings. The method and device achieves efficient production of biofuel while employing reaction and mixing tanks having a limited size, which in turn permits a smaller plant layout or “footprint”. For example, the largest tank may be in a size of about 36/100,000 times the desired plant output in gallons per year. The benefits of the process and apparatus include minimal space for a plant; minimal on-site feedstock needed therefore minimal on-site storage is needed; minimal capital costs to build a plant e.g., reduction by about fifty to sixty five percent (50 to 65%); reduction in construction time from typically over one year to under three months in many plants; minimal energy usage, e.g., reduction by about sixty percent (60%); minimal labor costs due to the automatic continuous flow; minimal pumps needed thereby reducing pump operation and maintenance costs; environmentally friendlier and safer plant design; and due to smaller plant footprint, lower capital cost and minimal construction time enables site selection much nearer to the raw material supplies, thereby minimizing or even eliminating transportation costs for yellow grease or vegetable oil.

Enteral Feeding Tube Having Unclogging Lumen

An enteral feeding device and methods of using such device to unclog a feeding tube are described herein, wherein the device includes a first tube having a distal end and a proximal end. The first tube defines a feeding lumen that extends longitudinally through at least a portion of the first tube. The first tube has at least one distal opening capable of allowing introduction of nutrients and/or medicaments from within the feeding lumen through the opening into a gastrointestinal area of a patient when the enteral feeding tube is implanted in a patient. The device also has a wall having a distal end and a proximal end, which extends longitudinally within at least a portion of the first tube. The wall has an exterior surface and an interior surface. At least a portion of the exterior surface of the wall contacts the feeding lumen. The interior surface of the wall and/or the first tube define an inflatable lumen having a proximal end and a distal end, wherein the inflatable lumen extends longitudinally through at least a portion of the feeding lumen, and wherein the wall is capable of changing a volume of the feeding lumen by allowing for deflation of the inflatable lumen through removal of a fluid from the inflatable lumen and/or inflation of the inflatable lumen through introduction of a fluid into the inflatable lumen.
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