270 results about "Kidney stone" patented technology

The device to remove kidney stones is a medical retrieval basket device adapted to provide irrigation and suction to the region of the basket. The device includes a retrieval basket assembly having a sheath, an elongated member extending through the sheath, and a basket assembly coupled to the distal end of the elongated member, in a generally known arrangement. The retrieval basket assembly extends from a handle which provides suction and irrigation to, and through, the retrieval basket assembly. Fittings on the handle connect fluid and suction sources through fluid conduits within the handle to the sheath of the retrieval basket assembly. In one embodiment, the retrieval basket assembly's sheath has an expandable distal end portion that improves the retrieval basket assembly's ability to capture debris from lithotripsy of a stone.

Disclosed herein are embodiments of an electrosurgical device that include one or more floating electrodes and are specifically adapted to remove, cut, resect, ablate, vaporize, denaturize, drill, coagulate and form lesions in soft tissues, with or without externally supplied liquids, preferably in combination with a resectoscope, particularly in the context of urological, gynecological, laparoscopic, arthroscopic, and ENT procedures. Specific adaptations for urological and gynecological applications, for example kidney stone removal and BPH treatment, are also described.

A method of using a suction device to remove an object from a subject's body includes extending a suction device into the body through a lumen of a medical device and expanding the suction head from a contracted configuration to an expanded configuration within the body. The suction head may be provided at a distal end of an elongate conduit. The method may also include applying suction to move the object into the expanded suction head, and removing the suction device with the object from the body.

One aspect of the present invention relates to a method of using peristalsis to force a polymer plug through a mammalian lumen, thereby removing any calculi and/or calculi fragments present in the lumen. In one embodiment, the method is used as an alternative to conventional lithotripsy. In another embodiment, the method is used in conjunction with lithotripsy, thereby removing the small calculi fragments that result from such procedures.

The present invention relates to a method and apparatus for laser-based surgery and treatment, in particular of the human body. Inter alia, the present disclosure teaches an apparatus having a femtosecond laser that emits at least one pulse of laser energy having a pulse duration of less than 100 femtoseconds and a fiber optical channel for conducting said emitted pulse of laser energy to a vicinity of a human body to irradiate a localized area of said human body to effect at least one of microsurgery, neurosurgery, treatment of cardiovascular disease, treatment of the skin, tissue removal for biopsy, cutting of a mucous membrane, disintegration or vaporization of a gallstone or a kidney stone, and orthopedic surgery.

Devices, systems, and methods are provided for breaking a kidney stone(s) into smaller particles, fragments, and/or stone dust; and removing the same from a patient. The medical device may include a tube having a distal end, a proximal end, a port located proximal of the distal end, and a length of the tube extending between the proximal end and the distal end. A first portion of the tube may be proximal of the port and have a first cross-sectional area, while a second portion of the tube may be distal of the port and have a second cross-sectional area smaller than the first cross-sectional area. A first lumen may extend from the proximal end to the distal end of the tube. A second lumen may in communication with the port to fluidly connect the proximal end of the tube with the port.

The invention discloses a tactile interaction-based percutaneous nephrolithotomy (PCNL) kidney stone virtual surgical training system and a method for improving the repeated training of urologists soas to make the urologists obtain puncture skills. The system specifically includes a medical image three-dimensional reconstruction module (1), a kidney soft tissue sample puncture experiment module (2), a mechanical modeling module (3), a visual rendering module (4), a tactile rendering module (5), a virtual operation training environment design module (6), a tactile interaction device module (7), an operation training data acquisition and analysis module (8), an augmented reality module (9) and a 3D printing module (10). According to the system of the present invention, a real surgical trocar is adopted to puncture a kidney tissue, so that data can be obtained to be used for establishing a mechanical model; the system enables a strong sense of immersion and high real-time performance onthe basis of a virtual PCNL operation environment constructed through the tactile interaction device, the augmented reality technology and the 3D printing technology. With the system adopted, the training of the urologists can be facilitated, the operative skills of the urologists can be improved, and the urologists can be familiar with the procedures of an operation.

The invention relates to a drug for treating purine metabolic disorder disease, provides a flavonoids compound represented by the formula (I) and a modified derivative thereof, and a use in inhibition of xanthine oxidase activity and promotion of uric acid excretion function, wherein R1, R2 and R3 independently represent -H or monosaccharide residues, and R4 represents -H or -OH. In particular, the drug is used for treating purine metabolic disorder disease, and can be used for treating hyperuricemia and related diseases and reducing a individual serum UA level; the drug is used for treating hyperuricemia; the drug is used for treating the related diseases, such as for treating gouty arthritis and arthrophlogosis caused by hyperuricemia, and for treating chronic interstitial nephritis, kidney stones and the like caused by hyperuricemia. The drug has the advantages of natural chemical structure, safety, low toxicity, rapid curative effect and fewer side effects. (I).

The invention discloses a Chines medicine composition preparation capable of curing renal calculus. The Chines medicine composition preparation capable of curing the renal calculus is mainly composed of fringed pink, spora lygodii, poria cocos, rhizoma alismatis, grifola, longhairy antenoron herb, plantain seeds, radix cyathulae, myrrh and qizzard pepsin. The Chines medicine composition preparation capable of curing the renal calculus has effects of diuresis inducing and strangurtia treating, has good treatment effects of pain, dark urine, dysuresia caused by the renal calculus and capable of effectively and fast curing the renal calculus. The Chines medicine composition preparation capable of curing the renal calculus is ideal and safe medicine capable of curing the renal calculus.

The invention relates to a determination reagent against bilirubin interference based on a uricase method and an application method thereof. The reagent is a liquid double-reagent and has good resistance against bilirubin interference and excellent stability. The reagent can be used in a semi/full-automatic biochemical analyzer by adopting a two-point end assay method. By adopting a specific enzyme, the reagent has the characteristics of high sensitivity and strong anti-interference capability; and by adding a selected stabilizing agent, the reagent achieves good stability, namely, the reagent can be hermetically preserved at the temperature of 2-8 DGE C in dark place for 12 months without causing performance deterioration. The reagent can be widely applied to diagnosis, of kidney diseases such as acute and chronic nephritis, kidney stone, gout and the like as well as diseases resulting from excessive nucleic acid metabolism, such as leukemia, multiple myeloma and the like, physical examination and general investigation of kidney diseases and the like.

The present invention relates to an apparatus for using the hydrodynamic cavitation in medical treatment such as destroying kidney stones or killing infected cancer cells. This apparatus comprising a tank used as a container for a fluid,a compressor which is connected to the tank in order to maintain the input pressure of the fluid, a tubing in which the fluid flows,a probe in which the cavitation occurs,a valve, which is positioned inside the tubing, allowing the fluid to flow into the probe,a filter, which is positioned inside the tubing, preventing the predetermined size particles flow into the probe,a fitting connecting the probe to the tubing, a flowmeter measuring the volume flow rate of the fluid through the probe,an image capturing unit capturing the sequential images of bubble growing and collapsing of the bubbles after the bubbles exit from the probe,a positioning assembly which adjusts the distance between the probe and the target surface and a control and data acquisition unit.

The invention provides application of N6-(2-ethoxy)adenosine in preparation of preparations for treating renal failure. By virtue of the N6-(2-ethoxy) adenosine, levels of inosine and urea nitrogen in renal failure and renal ischemia reperfusion injury can be obviously reduced, and renal tubular epithelial cell apoptosis and kidney inflammations are inhibited. The N6-(2-ethoxy) adenosine can be applied to multiple treatment applications of renal failure, renal transplant, renal ischemia reperfusion injury, kidney stone lithotripsy inflammations and other nephritides.

In an embodiment of the present disclosure, there is provided a composition for dissolving calcium oxalate crystals thereby inhibiting/preventing further growth of crystals. In some embodiments, such a composition comprises at least one stereoisomer of hydroxycitrate, a derivative of the organic acid citrate. Such a method comprises administering to the subject an effective amount of the aforementioned composition. In another embodiment, the present disclosure pertains to a method of treating kidney stone disorder. Such a method comprises administering to a subject in need thereof a therapeutically effective amount of the aforementioned composition. In yet another embodiment, the present disclosure relates to a method of treating calcium oxalate stone disease. In an embodiment, the method comprises administering to a subject in need thereof a therapeutically effective amount of the aforementioned composition.

The invention relates to lemon flavored nutritional bean curd (tofu) and a preparation method thereof. The lemon flavored nutritional tofu comprises soybean milk and lemon juice, wherein the weight ratio of the lemon juice and the soybean milk is (1-3):100, and is prepared by the steps of carefully selecting raw materials, pulping, boiling pulp, adding lemon juice, compression moulding, and othersteps. The lemon flavored nutritional tofu has the color and fragrance of lemon, rich nutrient and tender mouthfeel. The preparation method of the lemon flavored nutritional tofu uses fresh lemons directly without addition of other coagulators, only uses the action of lemon self to achieve the coagulating effect of tofu, so as to simplify preparation process, prevents environmental pollution and fully utilize raw materials. The obtained tofu has the fragrance and nutritional ingredients of lemon. The preparation method of the invention does not use calcium salts and magnesium salts, and citrate contained in the lemon juice can inhibit calcium salts crystallization, thereby preventing the formation of renal calculi, even dissolving the calculi formed previously. The lemon flavored nutritional tofu of the invention is suitable for a large range of people.

The invention belongs to the technical field of medicines, and relates to a medicine composition for treating liver and gall calculus or kidney stone. In order to make up the defects of the prior art and relieve the pain of patients with liver and gall calculus, the invention provides the medicine composition for treating liver and gall calculus or kidney stone. The curative medicine has remarkable analgesic activity and stone dissolving and discharge functions, is remarkable in curative effect, is safe and reliable, and has a wide clinical application prospect.

The invention discloses a traditional Chinese medicine preparation for treating kidney stones, which is characterized by comprising the following raw materials in parts by weight: 30-35 parts of lysimachia, 10-15 parts of armand clematis stem, 30-35 parts of honeysuckle flower, 25-30 parts of climbing fern spore, 25-30 parts of Endothelium Corneum Gigeriae Galli, 15-20 parts of sweetgum fruit, 30-35 parts of taraxacum, 20-25 parts of radix curcumae, 25-30 parts of umbellate pore fungus, 25-30 parts of pyrrosia lingua, 25-30 parts of malva seed, 30-35 parts of Plantain seed, 30-35 parts of cogongrass rhizome, 10-15 parts of bamboo leaf, 20-25 parts of rhizoma corydalis, 15-20 parts of fructus aurantii, 25-30 parts of amber and 15-20 parts of fructus toosendan. The invention has the advantages of scientific formula, short treatment time and high cure rate. The total effective rate is up to 98.5%, and the cure rate is up to 98.5%. The patient can be cured after 1-3 treatment courses.

The invention relates to a Chinese medicinal decoction for treating urolithiasis, which is a traditional Chinese medicine decoction for treating kidney stone, ureteral calculus and vesical calculus. The Chinese medicinal decoction is prepared from desmodium, Lygodium japonicum, Plantago asiatica, bidentate achyranthes, rhizoma corydalis, fried cow herb seed, talc, pyrrosia lingua, etc. through decocting in water. The Chinese medicinal decoction of the invention can treat all types of calculus, and has significant effect and not any poisonous side effect.