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807 results about "Esophageal tube" patented technology

Device and method for esophageal cooling

The present invention includes a device and a method for preventing injury of the esophagus during thermal ablation of the left atrium. The device has an esophageal probe with a balloon tip for insertion into the esophagus of a patient. During usage, coolant passes into the esophageal probe and then fills its balloon. The coolant, when circulating through the balloon and an external cooling machine, protects the esophageal tissue in contact with the esophageal probe from thermal damage during ablation of the posterior wall of the left atrium of the heart, or other procedure.
Owner:MAYSE MARTIN L +1

Method and apparatus for cryogenic spray ablation of gastrointestinal mucosa

A method and apparatus to treat Barrett's tissue, a pre-cancerous condition, by removing the epithelium above the lower esophageal sphincter through cryo-ablation. An endoscope with fiber optics is used to view the operation, and a catheter for supplying liquid nitrogen is passed through the lumen of the endoscope. Liquid nitrogen at low pressure is sprayed directly onto the Barrett's tissue through the catheter while the physician views the operation through the fiberoptics of the endoscope and controls the spray via a valve. Freezing is indicated by whiteness and shows that the epithelium has been cryoablated. The apparatus can also be used to treat various other gastrointestinal tract lesions. The catheter is insulated to withstand extremely cold temperatures without becoming stiff and without affecting the inherent flexibility and maneuverability of the endoscope.
Owner:CRYMED TECH

Device and implantation system for electrical stimulation of biological systems

The present specification discloses devices and methodologies for the treatment of nocturnal GERD. Individuals with nocturnal GERD may be treated by implanting a stimulation device within the patient's lower esophageal sphincter and applying electrical stimulation to the patient's lower esophageal sphincter, in accordance with certain predefined protocols. The presently disclosed devices have a simplified design because they do not require sensing systems capable of sensing when a person is engaged in a wet swallow and have improved energy storage requirements.
Owner:PARAS HLDG LLC

Method for Screening and Treating Patients at Risk of Medical Disorders

InactiveUS20070244375A1Reduced health costAccurate predictionElectrotherapySurgeryMorbidly obeseProper treatment
Method for screening patients to predict which patients at risk of a medical disorder, such as morbid obesity, gastrointestinal problems, or gastroesophageal problems, will be responders, and conversely, which patients will not, to achieve a favorable outcome from therapy for that disorder. This method supports an intervention strategy for patients having weight or gastrointestinal problems that will cut health costs. It enables patients and care-givers alike to more efficiently use their time, efforts and resources by enabling an early selection of an appropriate treatment modality for a given patient. Its application also extends to other implantable medical devices and therapies using them.
Owner:MEDTRONIC TRANSNEURONIX

Quinoline derivatives as Anti-cancer agents

Quinoline derivatives showing anticancer activities against cancer cell lines of hepatocellular carcinoma (Hep3B), lung carcinoma (A549), esophageal squamous cell carcinoma (HKESC-1, HKESC-4 and KYSE150). The quinoline derivatives have a backbone structure of the following formulas:
Owner:THE HONG KONG POLYTECHNIC UNIV

Quercetin-3-O-acyl ester and preparation method thereof

The invention relates to quercetin-3-O-acyl ester and a preparation method thereof and belongs to the technical field of pharmaceutical chemistry. The preparation method comprises the following steps: taking cheap rutin as a starting raw material and preparing a quercetin-3-O-acyl ester compound through benzylation, hydrolysis under the acidic conditions, esterification, catalytic hydrogenolysis and other reactions. The method has the characteristics of good selectivity, mild reaction condition, high yield, low cost, simplicity and convenience in operation, easiness in industrial production and the like. In addition, the inhibitory effect of the obtained quercetin-3-O-acyl ester on human esophageal squamous carcinoma cells EC9706, human prostatic cancer cells PC-3 and human gastric cancer cells MGC-803 is remarkably superior to that of quercetin; and the quercetin-3-O-acyl ester can be used in the field of foods and medicines and is possible to develop into a new candidate drug for treating tumor.
Owner:ZHENGZHOU UNIV

Supporting frame capable of being taken out

The invention relates to a supporting frame capable of being taken out. In the invention, a sandwich structure that a support is arranged between an inner membrane and an outer membrane is adopted; the connection part of the inner membrane and the outer membrane is opposite to a mesh of the supporting frame; and the supporting frame can freely wriggle in the space formed by the disconnection part of the inner membrane and the outer membrane, therefore, the supporting frame capable of being taken out, provided by the invention, has particularly good flexibility; a full covering membrane structure is adopted to ensure that granulation tissues cannot grow into the supporting frame; and a detachable design is adopted to ensure that the supporting frame can be conveniently taken out. The supporting frame capable of being taken out can be used for inducing and promoting the growth of a neonatal cavity tube, the covering and the epithelization of a mucous membrane, can be conveniently taken out and detached under the direct vision of an endoscopy after the mucous membrane of the neonatal cavity tube is epithelized and the organization is stable, and can be used for a temporary support under the situations of esophagus rebuilding and injury repairing, trachea rebuilding and injury repairing, urethra rebuilding and injury repairing, esophagus-esophagus anastomosing, intestine-intestine anastomosing, nasal cavity rebuilding and injury repairing, external auditory canal rebuilding and injury repairing and the like.
Owner:周星
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