17 results about "Upper gastrointestinal" patented technology

The invention discloses a tracheal catheter special for upper gastrointestinal endoscopic surgery, which comprises an inner tube, an outer tube capable of sliding up and down with the inner tube is sleeved outside the inner tube, the top end of the outer tube is fixedly connected with the inner tube through a fixing knob, a respirator joint is arranged at the top end of the inner tube, an inner tube water bag is arranged at the bottom of the inner tube, and an outer tube water bag is arranged at the bottom of the inner tube. An inner tube suction hole is formed in one side of the inner tube water bag, and a Murphy hole is formed in the position, located below the inner tube water bag, of the bottom of the inner tube. The problems that in an upper gastrointestinal endoscopic surgery in the prior art, the exposed part of the tracheal catheter affects surgical operation, the cuff of the tracheal catheter compresses a surgical site or affects taking out of a specimen, the tracheal catheter rubs with an endoscope and is prone to disengagement to damage tracheal mucosa, and blood and secretions in the trachea are not sucked thoroughly are solved.

The forceps channel pipe assembly comprises a main pipe body, a front connector and a rear connector, a second annular groove is formed in the peripheral side face of the left end of the front connector, a third annular groove is formed in the peripheral side face of the right end of the front connector, a fourth annular groove is formed in the peripheral side face of the right end of the rear connector, and a threaded structure is arranged on the peripheral side face of the left end of the rear connector. Pipe head pressing assemblies are arranged at the left end and the right end of the main pipe body respectively, the left end of the front connector is fixedly arranged at the right end of the main pipe body in an inserted and glued mode through the pipe head pressing assemblies, and the right end of the rear connector is fixedly arranged at the left end of the main pipe body in an inserted and glued mode through the pipe head pressing assemblies. The connection firmness of the clamp channel pipe assembly, the camera seat and the clamp channel socket three-way part of the upper digestive tract endoscope handle operation part and the connection firmness of the front joint and the rear joint at the end part of the main pipe body are obviously improved; the probability of cracking of adhesive layers at the joint positions between the main tube body and the camera seat and between the main tube body and the upper digestive tract endoscope handle operation part pincer channel insertion opening three-way part when the main tube body falls accidentally or is impacted by external force is effectively avoided or reduced.

Enfumafungin derivative triterpenoid antifungal compounds are used to treat or prevent fungal infections occurring in or under acidic conditions where the pH is lower than about 7, due to their unexpected, enhanced efficacy under such conditions. The enfumafungin derivative triterpenoids (or pharmaceutically acceptable salts or hydrates thereof) are inhibitors of (1,3)-β-D-glucan synthesis and are useful in the treatment or prevention of yeast or mold infections that occur in anatomic areas having a low pH, such as the vaginal cavity, or under acidic local environment conditions such of those seen in fungal abscesses, empyema, or upper gastrointestinal tract infections.

Orally administered pharmaceutical compositions comprising incretin or its analogues or derivatives are presented, which allow for prolonged glycemic control. The formulations presented herein incorporate a self-emulsifying drug delivery system (SEDDS). Advantageously, such formulations provide protection in the upper gastrointestinal tract from proteolytic conditions while allowing for efficient drug release and absorption in the lower gastrointestinal tract.

[Problem] The purpose of the present invention is to provide a medical simulator for performing a procedure practice of cannulation in ERCP, the medical simulator making it possible to perform a procedure practice that is similar to an actual practice. [Solution] This medical simulator 10 uses an upper gastrointestinal tract model 30 comprising an esophagus model 31, a stomach model 32, and a duodenum model 33 provided with a detachable papilla-of-vater model 60, the upper gastrointestinal tract model 30 being housed in an opaque casing 40.

1. Name of the product in this design: Packaging box and its main body. 2. Purpose of this design: The entire product and parts thereof are used to house electronic upper gastrointestinal endoscopes and electronic lower gastrointestinal endoscopes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Design 2 is a partial design, and the dashed lines in the figure indicate the parts that do not require protection.

The upper gastrointestinal hemorrhage nursing device comprises a nursing bed board, a bolster assembly used for limiting the head of a patient is fixedly installed at the top of the nursing bed board, two head guardrails are symmetrically and fixedly installed at the top of the nursing bed board, and two tail guardrails are symmetrically and fixedly installed at the top of the nursing bed board; after the arranged driving steering engine is started, the rotating rod can be driven to rotate by forty degrees in the positive direction and forty degrees in the negative direction, so that the headrest frame rotates by forty degrees in the positive direction and forty degrees in the negative direction, automatic lateral deviation adjustment of the head of a patient can be achieved, the patient is helped to flexibly adjust the posture of the head in the lying state, and comfort in the sleeping process is guaranteed; meanwhile, the driving steering engine can be connected to a timing control module, timing reciprocating rotation of the rotating rod is achieved through a preset program, the lateral deviation direction of the head of the patient can be periodically adjusted, the situation that the head of the patient faces the same side for a long time is effectively avoided, and the skin compression time of the head, the face and the neck is shortened.

The utility model discloses an anti-condensation precise drug release pipeline device for an upper digestive tract, which comprises a triple-combination drug delivery pipe used for maintaining drug particles atomized by drug atomization equipment in a micron-sized state all the time and delivering the drug particles to a target focus area, the three-layer structure of the triple-combination medicine feeding pipe sequentially comprises a hydrophobic structure layer, a supporting structure layer and a heat insulation structure layer from inside to outside, and the polytetrafluoroethylene layer serves as the hydrophobic structure layer, has extremely high hydrophobicity and prevents medicine particles from being condensed or deposited in the pipe; the glass fiber layer serves as a supporting structure layer and wraps the polytetrafluoroethylene layer, and it is guaranteed that the pipeline is kept stable; the polyurethane foam layer is used as a heat insulation structure layer, wraps the glass fiber layer, has excellent biocompatibility and heat insulation effect, and avoids the influence of temperature fluctuation on the drug stability; according to the triple-combination medicine delivery tube, medicine can be efficiently and accurately delivered to a target focus area, and therefore the treatment effect is improved.

To provide an endoscope device for acquiring upper gastrointestinal tract images and a method of controlling the same.SOLUTION: The invention belongs to the field of medical imaging equipment and automation control technology, and particularly relates to an endoscope device associated with imaging of the upper gastrointestinal tract using an endoscope, and to a method of controlling the endoscope device. The method includes the steps of: acquiring an image of the upper gastrointestinal tract from an image sensor; sensing at least one first body part from the image based on a pre-trained model; calculating relative position information between the sensed first body part and a distal end portion; generating a first control signal related to the position of the first body part based on the relative position information; and transmitting the first control signal to a drive unit.SELECTED DRAWING: Figure 2

The application is a colon-targeting lipid nanoparticle based on ginsenoside Rg3, a calcium alginate microsphere thereof and application thereof in treating ulcerative colitis, and belongs to the technical field of new excipients and new dosage forms of pharmaceutical preparations, and particularly relates to an oral colon-targeting delivery system for treating ulcerative colitis. The system replaces cholesterol in traditional lipid nanoparticles with ginsenoside Rg3, constructs lipid nanoparticles capable of efficiently loading TNF-alpha siRNA, and effectively improves the targeting property and lysosome escape ability of the lipid nanoparticles on inflammatory macrophages. In order to further realize colon-specific delivery, the above-mentioned lipid nanoparticles are loaded in a pH-responsive calcium alginate microsphere, so that the drug is kept stable in the upper gastrointestinal tract and is released in a responsive manner in the colon. Pharmacodynamic studies show that the drug delivery system can significantly relieve the symptoms of colitis, effectively silence the expression of TNF-alpha, repair the intestinal barrier, and regulate the intestinal microbiota. The application provides a safe and efficient new strategy for solving the problems of poor gastrointestinal stability and low targeting efficiency of oral delivery of nucleic acid drugs.

The application discloses a solution method and device for direction perception disorder caused by rotating a mirror, and solves the problem that it is difficult to determine the adjacent tissue structure outside the part after endoscopic examination is rotated in similar upper gastrointestinal tract wall lesions. The application comprises the following steps: acquiring the pose information of an endoscope in an electromagnetic navigation system of a lumen target position and corresponding lumen image as a reference pose; acquiring the trajectory pose of the endoscope after adjusting the field of view in the electromagnetic navigation system and corresponding lumen image, and determining the Euler angle of each trajectory point according to the trajectory pose; acquiring the trajectory pose of the endoscope after adjusting the field of view in the electromagnetic navigation system and corresponding lumen image, and determining the Euler angle of each trajectory point according to the trajectory pose; and reconstructing the lumen and the adjacent tissue according to the lumen image three-dimensionally, and obtaining the rotated lumen and the adjacent tissue according to the rotating angle and the corresponding lumen image. Through the application, the adjacent tissue outside the endoscope can be clearly known after the endoscope is rotated to the best field of view.

[Problem] The purpose of the present invention is to provide a medical simulator using an upper gastrointestinal tract model, the medical simulator being capable of enabling practice of a procedure closer to actual clinical practice. [Solution] Provided is a medical simulator 10 using an upper gastrointestinal tract model 30 including an esophagus model 31, a stomach model 32, and a duodenum model 33, the medical simulator 10 comprising a shape changing unit configured to change a shape of the upper gastrointestinal tract model 30 due to rotation of a mounting table 461 on which the stomach model 32 is placed.

The invention relates to the technical field of upper digestive tract hemostasis, and discloses an upper digestive tract bleeding hemostasis device which comprises an outer sleeve, a sleeve is fixedly connected to one end of the outer sleeve, and a first clamping piece, a second clamping piece, a first sliding pipe, a second sliding pipe, a sealing plug and a first spring are arranged in the sleeve. Expansion sleeves are fixedly installed on the inner surfaces of the first clamping piece and the second clamping piece, expansion copper sheets are fixedly installed on the outer surface of the sealing plug, reserved grooves are formed in the inner sides of the first clamping piece and the second clamping piece, and a stretching steel wire is fixedly connected to one end face of the sealing plug. Through cooperation of the sleeve, the first clamping piece, the second clamping piece, the first sliding pipe, the second sliding pipe, the sealing plug and the first spring, the two hemostatic clips can be clamped on a wound at a time, and compared with an existing hemostatic clip, the number of times of drawing out and feeding back and forth from a biopsy hole channel in an endoscope can be reduced; therefore, the operation time can be shortened, and time and labor are saved.

The invention provides an upper gastrointestinal hemorrhage nursing device for the digestive system department, and relates to the technical field of medical device.The upper gastrointestinal hemorrhage nursing device for the digestive system department comprises a box, a first cavity and a second cavity are formed in the box, the first cavity and the second cavity are symmetrically arranged up and down, the second cavity is of an open type design, and a collecting funnel is arranged in the first cavity; when a patient is haematemesis, the mouth-nose flow dividing cover is attached to the face, the mouth silica gel connecting pipe is aligned to the oral cavity of the patient, vomitus directly enters the collecting funnel, meanwhile, medical staff or the patient can step on the foot-stepping air cylinder between the fixing plate and the sliding plate, and the patient can step on the foot-stepping air cylinder through the communicating pipe. The sliding plate slides up and down along a sliding groove of the box body, auxiliary power is provided for the air exhaust assembly, the back patting mechanism is also linked, after a low negative pressure suction pump in the air exhaust assembly is started, low negative pressure within a safety threshold value is formed in a communicating pipe through a pressurizing pipe, and blood in a collecting funnel is accelerated to flow into a collecting barrel along the communicating pipe.

The invention relates to the technical field of nursing of the digestive system department, in particular to a simple bedside hemostasis device for upper gastrointestinal hemorrhage. The stomach tube body comprises an insertion end and a conveying end, the conveying end comprises a central tube used for sucking exchange liquid and injection tubes used for injecting hemostatic drugs, and the injection tubes are symmetrically arranged with the central tube as the center; the insertion end is detachably connected with the conveying end, and a detection mechanism used for detecting the contact condition of the insertion end and gastric juice is arranged in the insertion end; clinical hemostasis nursing operation of nurses is facilitated, the bleeding rate is reduced, and the prognosis effect of upper gastrointestinal hemorrhage patients is improved.

The forceps channel pipe comprises a main pipe body and a spring, a first spiral groove and a second spiral groove which are connected in a penetrating mode are formed in the peripheral side face of the right end of the main pipe body, the second spiral groove is located at the right end of the main pipe body, and the screw pitch of the second spiral groove is smaller than that of the first spiral groove. The spring comprises a first spiral section and a second spiral section which are integrally formed, the screw pitch of the second spiral section is smaller than that of the first spiral section, the spring is fixedly arranged at the right end of the main pipe body in a sleeved mode, the first spiral section is embedded in the first spiral groove, the second spiral section is embedded in the second spiral groove, and the first spiral groove, the second spiral groove and the spring form a bent part located at the right end of the main pipe body. The bending part on the forceps channel pipe is provided with the two sections with different flexibility, the section with better flexibility is positioned at the right end part of the main pipe body, and the whole bending part has better bending radian, so that the smoothness, the accuracy and the insertion efficiency when an instrument is inserted are improved, the examination time is obviously shortened, and the pain of a subject is reduced.

The utility model discloses an endoscopic upper digestive tract fluid segmented collecting device which comprises a collecting bottle, a first collecting pipe installed at the upper end of the collecting bottle and a flow dividing assembly installed on the first collecting pipe and used for dividing fluid, the collecting bottle comprises a plurality of collecting barrels and a plurality of baffles, and the baffles are arranged on the collecting barrels. Each baffle plate is distributed between every two adjacent collecting barrels, the lower end of each baffle plate is rotationally connected with the adjacent collecting barrel through a connecting piece, the upper end of each baffle plate is fixedly connected with the adjacent collecting barrel, a first collecting opening is formed in the wall body of the lower end of each collecting barrel, and a second collecting opening is formed in the wall body of the lower end of each collecting barrel. According to the upper digestive tract fluid segmented collection device, accurate segmented collection of the upper digestive tract fluid can be achieved, through development of the upper digestive tract fluid segmented collection device of an endoscope, the blank of a traditional method in the aspects of accurate sampling, dynamic monitoring and low-invasion operation is filled up, and the disease diagnosis accuracy is improved.