49 results about "Stomach walls" patented technology

Provided is a use of a biological material in preparing a product for limiting gastric volume. The biological material is selected from a decellularized matrix, an artificial extracellular matrix and a high molecule compound. The wrapping of a remaining stomach after gastric volume reduction surgery by the biological material can effectively reduce the expansion of the gastric volume after the surgery for a long time. The gastric volume of the remaining stomach can be effectively maintained, avoiding the occurrence of weight regain caused by the expansion of the remaining stomach. The decellularized matrix and a biological material remolded tissue have the viscoelasticity equivalent to or close to natural tissue, avoiding gastric wall stiffness, and thus not affecting gastric wall peristalsis.

An apparatus for treating obesity of a patient having a stomach with a food cavity. The apparatus comprising a volume filling device adapted to be at least substantially invaginated by a stomach wall portion of the patient with the outer surface of the volume filling device resting against the stomach wall, such that the volume of the food cavity is reduced in size by a volume substantially exceeding the volume of the volume filling device. The apparatus further comprises at least one adjustable stretching device adapted to be at least substantially invaginated by a stomach wall portion of the patient with the outer surface of the stretching device resting against the stomach wall and adapted to stretch a portion of stomach wall, and a fluid connection device interconnecting the volume filling device and the stretching device.

An apparatus for treating obesity in a human or animal mammal patient. The apparatus comprising a first volume filling device segment and a second volume filling device segment. The first and second volume filling device segments are adapted to be assembled into an implantable volume filling device of a controlled size. Each one of the first and second volume filling device segment comprises at least one interconnecting structure. The interconnecting structure of the second volume filling device segment is adapted to be formed fitted, such that the first and second volume filling device segment can be assembled into the volume filling device. The assembled volume filling device is adapted to be at least substantially invaginated by a stomach wall portion of a patient, with the outer surface of the device resting against the stomach wall, such that the volume of the food cavity is recuced in size.

The invention discloses stomach wall tissue biopsy forceps under a laparoscope, and belongs to the technical field of medical instruments. The biopsy forceps aim at solving the problems that existing biopsy forceps are low in sampling efficiency and inconvenient in angle adjustment. The device comprises a fixed pipe and a rotating pipe, a first pull rod is slidably connected into the fixed pipe, a second pull rod is slidably connected into the rotating pipe, an extension column is integrally formed at one end of the second pull rod, a limiting ball is integrally formed at one end of the extension column, and a limiting groove matched with the extension column and the limiting ball is formed in one end of the first pull rod; a connecting part is arranged between the fixed pipe and the rotating pipe and is used for connecting the fixed pipe and the rotating pipe; biopsy forceps are installed at the end, away from the fixed tube, of the rotating tube, and the biopsy forceps and the rotating tube rotate through a connecting part. The driving part is arranged at one end of the fixing tube and used for driving the first pull rod to move, a plurality of samples can be taken through one-time insertion, angle adjustment is flexible, operation is labor-saving, and the device is used for stomach wall tissue sampling under a laparoscope.

The invention provides a positioning device for an alimentary canal lesion endoscope, and relates to the technical field of alimentary canal endoscopes, the positioning device comprises an endoscope pipeline, an adjusting mechanism facilitating adjustment is arranged on the endoscope pipeline, a supporting mechanism facilitating positioning is arranged on the endoscope pipeline, and the adjusting mechanism comprises a protective hollow column and a mounting column; the supporting mechanism comprises an endoscope probe, a first adjusting pipe and a suction cup, the protective hollow column is slidably mounted at the circumferential end of the endoscope pipeline, and the mounting column is fixedly mounted at the circumferential end of the endoscope pipeline. By arranging the umbrella type supporting structure composed of the first adjusting tube, the second adjusting tube and the universal joint, the actual interior of the digestive tract is not a flat environment, natural wrinkles exist on the stomach wall, the intestinal mucosa fluctuates in a concave-convex mode, and individual differences exist in the forms of the digestive tracts of different patients; the multi-point supporting design of the umbrella type structure enables a plurality of supporting point positions to be respectively attached to mucous membranes at different positions around the focus.

The present application discloses an image stabilization correction method for capsule gastroscopy image acquisition, which relates to the technical field of medical diagnosis, and includes the following steps: image acquisition: taking the original image of the stomach wall through a capsule endoscope; image preprocessing: performing data enhancement processing on the original image, and then performing plane projection processing to obtain a two-dimensional projection plane image; generating a coordinate sequence: extracting a feature point sequence of the two-dimensional projection plane image, and generating a matching feature point pair coordinate sequence; correcting the lens posture: by calculating the lens posture, generating an image data sequence after posture correction, and correcting the lens posture; generating a stable image sequence: by calculating the path of the device, forming a lens space posture control sequence, thereby eliminating images that deviate from the predetermined path, and forming stable and reliable image data. The present application can make the acquired image more stable and reduce the impact of rotation and shaking on the image.

The invention relates to the technical field of medical instruments, and discloses a percutaneous stomach puncture fistulization device which comprises a fistulization tube, one end of the fistulization tube is fixedly connected with a feeding port, the periphery of the fistulization tube is fixedly connected with a stomach wall pressing plate, the periphery of the fistulization tube is further sleeved with an abdominal wall pressing plate, the periphery of the fistulization tube is sleeved with a fixing ring, and the fixing ring is fixedly connected with the stomach wall pressing plate. The outer side edges of the stomach wall pressing plate and the abdominal wall pressing plate are bent towards the rear end of the fistulization tube, a pipeline is fixedly connected to the bottom of the fistulization tube, the end, away from the feeding port, of the fistulization tube is sleeved with a second plug, and the end, away from the feeding port, of the pipeline is sleeved with a first plug. Due to the fact that the stomach wall pressing plate and the abdominal wall pressing plate are designed to be arc-shaped, when the fistulization tube is fixed, the contact area between the stomach wall pressing plate and the body of a patient and the contact area between the abdominal wall pressing plate and the body of the patient are increased, friction is increased, the stability of the position of the fistulization tube is guaranteed under the condition that the fistulization tube does not need to be fixed tightly, and pain of the patient caused by shaking of the fistulization tube is reduced.

The invention belongs to the technical field of medical instruments, and discloses a gastrointestinal tract magnetic clipping fistulization assembly and application thereof. The assembly comprises at least two magnetic bodies, each magnetic body is provided with a clamping end face, the effective length of each clamping end face is 3-5 cm, the width of each clamping end face is not smaller than 0.2 cm, and a clamping gap of 2-4 mm is formed between the stomach wall and the intestinal wall when the two magnetic bodies are attracted. The assembly can adopt an integral structure, a split structure, a bendable structure or a concave-convex clamping structure, and the magnetic body is provided with a fixing structure and a guide assembly. Laparotomy and minimally invasive implantation are not needed, permanent foreign matter residues are avoided, a stable permanent anastomosis channel can be formed, the risk of complications such as adhesion and leakage is reduced, the device is suitable for patients with refractory digestive tract obstruction, and fistulization safety and success rate are improved.

The utility model discloses a kind of gastric cavity plugging catheters of gastrostomy in the medical instrument technical field, the device increases plugging balloon and sealing clamping piece, can be held by inside and outside, hold stomach wall and skin to position the device, while plugging balloon seals and isolates the puncture of stomach wall inside gastric cavity, effectively avoid gastric juice to flow out, avoid gastric juice to overflow along the puncture and cause skin burning;Positioning baffle is also increased, can be unfolded inside duodenum, positioning baffle can position nutrition tube, avoid nutrition tube to slide and separate, can also effectively block pylorus, effectively avoid enteric digestive juice to enter stomach, and do not hinder gastric juice to flow into intestine normally, and by pressure relief port and pressure relief pipe, stomach is conveniently decompressed, effectively avoid that pressure is too high and nutrition liquid is refluxed to esophagus.

The invention discloses a gastrointestinal ultrasound contrast agent without scattering echoes as well as a preparation method and application thereof, and relates to the technical field of biomedical ultrasound. The gastrointestinal ultrasound contrast agent comprises a thickening agent, a sound velocity regulator and water, the thickening agent comprises an edible gum thickening agent, and the edible gum thickening agent is selected from one or more of xanthan gum, guar gum, konjac gum, gellan gum, sodium carboxymethyl cellulose, Arabic gum, modified starch and natural starch; the sound velocity regulator is selected from one or more of skim milk powder, polyethylene glycol and mannitol. The gastrointestinal ultrasound contrast agent disclosed by the invention has the characteristics of no scattering echo and relatively low sound attenuation, and is suitable for clinical requirements of ultrasound examination and screening of gastrointestinal digestive tracts. For focuses, with high echoes, of all layers of the stomach wall or gaps of the stomach wall in the stomach wall, the gastrointestinal ultrasound contrast agent without scattering echoes has a very good contrast imaging effect.

Abstract The present invention relates to a reflux disease treatment apparatus, comprising two or more movement restriction device segments adapted to form an implantable movement restriction device with an elongated shape that maintains cardia in the correct position. The movement restriction device has proximal and a distal end, wherein the distal end is adapted to stabilize and hold the proximal end. The invention further comprises a control device for controlling the stimulation device to stimulate the cardia sphincter. The distal end can be further adapted to treat obesity, for example by stretching the wall of the stomach or filling out a volume of the stomach. Abstract The present invention relates to a reflux disease treatment apparatus, comprising two or more movement restriction device segments adapted to form an implantable movement restriction device Mar with an elongated shape that maintains cardia in the correct position. The movement restriction device has proximal and a distal end, wherein the distal end is adapted to stabilize and hold the proximal end. The invention further comprises a control device for controlling the stimulation device to stimulate the cardia sphincter. The distal end can be further adapted to treat obesity, for example by stretching the wall of the stomach or filling out a volume of the stomach. 20 24 21 64 87 30 A ug 2 02 4 A b s t r a c t

An obesity treatment device is provided, the device comprising: at least one operable stretching device implantable in an obese patient and adapted to stretch a portion of the patient's stomach wall and an operation device for operating the stretching device when implanted to stretch the stomach wall portion such that satiety is created.

The invention discloses an improved beef cattle breeding device and method for animal husbandry, and relates to the technical field of animal husbandry. The improved beef cattle breeding device comprises a feeding fence and a rotating door, and the rotating door is rotatably installed on the surface of the feeding fence; the rotating rod is rotationally mounted at the bottom of the feeding fence, and the rotating rod is driven by a motor; the partition plate is fixedly mounted on the surface of the rotating rod; the feed trough is fixedly mounted in the feeding fence; the water tank is fixedly mounted in the feeding fence; a water tank is fixedly mounted on the outer wall of the feeding fence, a fixed frame is fixedly mounted at the top of the feeding fence, a reciprocating screw rod is fixedly mounted at the top of a rotating rod, and a movable frame is mounted on the surface of the reciprocating screw rod in a threaded mode, so that the situation that stomach burdens are possibly increased and stomach walls expand when cattle eat feed and drink a large amount of water at the same time is prevented; the normal function of the stomach is influenced. Long-term use may lead to gastrointestinal motility disorder, even gastrointestinal diseases.

In illustrative embodiments, an anchor device comprising an anchor assembly and a locking device connected via a single flexible strand fixes a stomach wall to an organ wall so that a stent may be positioned between the stomach (or duodenum) and the organ, such as a small intestine, or a gallbladder. An anchor assembly is implanted through the stomach wall into a wall of an internal organ for fixation of the stomach wall to the internal organ wall. Fixing the two organs together with the anchor device at the correct location prior to puncturing an opening between the two organs increases the ease and accuracy of making the incision in each of the organ walls. Fixation of the two organ walls with of the anchor device also simplifies the placement and deployment of the stent by reducing the shifting and movement of the organ walls relative to each other.

An apparatus for the treatment of acid reflux disease has an implantable movement restriction device adapted to be at least partly invaginated by a patient's stomach fundus wall. A substantial part of the outer surface of the movement restriction device is adapted to rest against the stomach wall without injuring the latter in a position between the patient's diaphragm and at least a portion of the lower part of the invaginated stomach fundus wall, such that movement of the cardiac notch of the patient's stomach towards the patient's diaphragm is restricted, to thereby prevent the cardia from sliding through the patient's diaphragm opening into the patient's thorax, so as to maintain the supporting pressure against the patient's cardia sphincter muscle exerted from the patient's abdomen. The movement restriction device has a size of at least 125 mm3 and a circumference of at least 15 mm.

An automated magnetic endoscopy machine has a stationary disk that a person stands on that is surrounded by a rotating ring that has two telescoping poles, each having an electromagnet assembly with an actuator to raise and lower the electromagnet. Magnet current drivers adjust currents to the electromagnet to allow increased attraction to horizontally pull a swallowed capsule in the person's stomach. One actuator can move to a higher Z position than the other to pitch the capsule up, allowing imaging out of the horizontal plane. The rotating ring allows the electromagnets to rotate around a vertical axis. A sequence of rotational, Z, and radial / horizontal movements are performed by a control program that moves the capsule along paths in the stomach to capture images from cameras inside the capsule. The control program uses a laser in the capsule to map stomach walls before plotting paths through the stomach for imaging.

A system for treating obesity in a patient, comprising an implantable vibration device (110) configured to vibrate and thereby stimulate an appetite controlling portion of the stomach and / or intestine wall of the of the patient, wherein the implantable vibration device is configured to be at least partially invaginated by the tissue of the stomach wall or the intestine wall.

An intraluminar method of treating obesity of a patient, having with a food cavity, is disclosed. The method comprises the steps of creating a pouch made of a stomach wall portion of the patient, closing the pouch by sutures, staples or a fixation device, and placing a volume filling device in the pouch before or after closing the pouch, and thus invaginating the volume filling device in the pouch such that an outer surface of the volume filling device rests against an outer surface of the stomach wall.

The invention belongs to the technical field of gastrostomy tubes, and particularly relates to a detachable gastrostomy tube easy to wash. The detachable gastrostomy tube easy to wash comprises a main tube, the inner portion of the insertion end of the main tube is provided with a one-way valve, and the outer wall of the insertion end is provided with a stomach side blocking disc; the stomach side baffle plate is arranged on the main tube in a manner of being spaced from the stomach side baffle plate, so as to clamp the stomach wall and the stomach wall together with the stomach side baffle plate; the movable pipe is arranged in the main pipe and is suitable for being communicated with the one-way valve and moving outwards after feeding is finished until the end communicated with the one-way valve is located on the outer side of the residual extrusion assembly on the main pipe; a flushing pipe; and the sleeve is suitable for being detached after the food inlet end of the movable pipe is flushed through the flushing pipe and the butt joint part of the abdominal outer end of the main pipe is separated through the sleeving part. According to the detachable gastrostomy tube easy to wash, food residues in the portion fixed to the abdomen of a patient are few, the portion is easy to wash, and the other portion of the main tube can be detached to be washed.

A surgical method of treating reflux disease by implanting a movement restriction device. The method comprises the steps of: dissecting in an area of an abdomen comprising a fundus of a stomach, inserting the movement restriction device into the abdomen of the patient, placing the movement restriction device in contact with the fundus of the stomach using an instrument holding the movement restriction device, invaginating the movement restriction device in the fundus of the stomach by: placing at least one suture in a wall of the stomach above the instrument holding the movement restriction device, and placing at least one suture in the wall of the stomach below the instrument holding the movement restriction device.

The invention discloses a degradable biological membrane, a preparation method thereof and application of the degradable biological membrane in gastric resection precut marking, the degradable biological membrane is obtained by entrapping thrombin microcapsules and dye nanoparticles into gelatin for crosslinking, and the biological membrane can be placed into the abdominal cavity of a patient through a laparoscope troca. The normal saline is directly attached to the surface of the stomach after activating the adhesion layer, body temperature triggers dopamine oxidation adhesion and thrombin release, the material is degraded within 5-8 minutes to avoid interference to subsequent operation steps, methylene blue falls off on the stomach wall to form a pre-cutting line for excision positioning, precise excision of the stomach is achieved, and the operation quality and efficiency are improved.

A surgical method of treating reflux disease by implanting a movement restriction device. The method comprises the steps of: dissecting in an area of an abdomen comprising a fundus of a stomach, inserting the movement restriction device into the abdomen of the patient, placing the movement restriction device in contact with the fundus of the stomach using an instrument holding the movement restriction device, invaginating the movement restriction device in the fundus of the stomach by: placing at least one suture in a wall of the stomach above the instrument holding the movement restriction device, and placing at least one suture in the wall of the stomach below the instrument holding the movement restriction device.

The invention belongs to the technical field of biological medicines, and particularly relates to a chitosan-embedded probiotic gel microcapsule, a preparation method and application of the chitosan-embedded probiotic gel microcapsule in preparation of a helicobacter pylori infection resisting medicine. According to the invention, the superfine chitosan powder is used as a coating of the probiotic gel microcapsule, so that the interior of the microcapsule can be kept at a high pH value for a long time, and a good living environment is provided for probiotics; moreover, after the microcapsule enters a body, the chitosan powder on the periphery of the microcapsule is firstly in contact with a strong acid environment in gastric juice, and a certain buffer barrier is provided for the probiotics and the strong acid environment, so that the probiotics are prevented from being inactivated under the action of the strong acid gastric acid; meanwhile, the protonated chitosan shell plays a bridging role, so that the microcapsule is adsorbed on the stomach wall, and the residence time of the microcapsule in the stomach is prolonged, so that the ecological effect playing time of probiotics such as bacillus natto and the like in gastric juice is prolonged, and finally, a good helicobacter pylori inhibiting effect is achieved.

An obesity treatment apparatus comprises at least one operable stretching device implantable in an obese patient and adapted to stretch a portion of the patient's stomach wall, and an operation device for operating the stretching device when implanted to stretch the stomach wall portion such that satiety is created.

In illustrative embodiments, an anchor device comprising an anchor assembly and a locking device connected via a single flexible strand fixes a stomach wall to an organ wall so that a stent may be positioned between the stomach (or duodenum) and the organ, such as a small intestine, or a gallbladder. An anchor assembly is implanted through the stomach wall into a wall of an internal organ for fixation of the stomach wall to the internal organ wall. Fixing the two organs together with the anchor device at the correct location prior to puncturing an opening between the two organs increases the ease and accuracy of making the incision in each of the organ walls. Fixation of the two organ walls with of the anchor device also simplifies the placement and deployment of the stent by reducing the shifting and movement of the organ walls relative to each other.

A gastroscopic method and instrument for treating obesity of a patient, using a device adapted to stretch a part of the stomach wall of said patient. The method comprises the steps of: inserting the device into the stomach through the esophagus, placing the device in contact with the stomach wall, and fixating the device to the stomach wall such that the device can stretch a part of the stomach wall.

The invention relates to the technical field of health-care products, and discloses a hawthorn chewable tablet with an appetizing effect and a preparation method thereof.The hawthorn chewable tablet is formed by taking hawthorn powder as a main component and taking litsea cubeba essential oil coated freeze-dried powder, vitamin C, a flavoring agent and the like as auxiliary components through mixing, the Litsea cubeba essential oil can be adhered to the stomach wall to achieve the effect of continuously releasing the Litsea cubeba essential oil at a gastric ulcer target site, the antibacterial and anti-inflammatory effects of the Litsea cubeba essential oil can facilitate the repair of gastric tissues, and the Litsea cubeba essential oil can also regulate gastric acid secretion, so that further damage of excessive gastric acid to gastric mucosa is avoided; therefore, a good treatment effect on gastric ulcer is achieved.

The invention belongs to the technical field of endoscopes, particularly relates to an intragastric double-endoscope collaborative visual diagnosis device, and aims to solve the problem that due to the fact that part of gastric diseases can be clearly diagnosed only by depending on long-time continuous observation, an existing gastroscope is difficult to meet the dynamic monitoring requirement. The capsule gastroscope comprises a capsule gastroscope body, a flexible gastroscope body and a magnetic attraction mechanism. The capsule gastroscope is internally provided with a liquid storage cavity used for containing adhesive liquid and has an auxiliary observation mode and a continuous observation mode. And the front end part of the flexible gastroscope is detachably connected to the capsule gastroscope. When the intragastric double-endoscope collaborative visual diagnosis device is used, after the flexible gastroscope conveys the capsule gastroscope to an observation position, the magnetic attraction mechanism applies magnetic attraction force to fix the capsule gastroscope to the stomach wall and trigger release of the adhesive liquid, the adhesive liquid adheres and fixes the capsule gastroscope to the stomach wall, the capsule gastroscope independently and continuously collects intragastric images, and the capsule gastroscope is used for detecting the intragastric images. And the capsule gastroscope falls off from the stomach wall until the bonding liquid loses efficacy due to the effect of gastric juice.

The utility model relates to a bionic stomach mechanism with a pressure feedback function and a bionic digestive system, the bionic stomach mechanism comprises a flexible bionic stomach, a flexible sensor and a driving mechanism, the flexible sensor is arranged in the stomach wall of the flexible bionic stomach; the two sets of driving mechanisms are symmetrically arranged on the two sides of the flexible bionic stomach, each driving mechanism comprises a rotary driving source, the output end of each rotary driving source is provided with a telescopic driving source, the output end of each telescopic driving source is connected with a mounting base, a connecting shaft is arranged on each mounting base, and a plurality of rolling wheels are rotationally arranged on each connecting shaft. According to the bionic stomach mechanism, the magnitude of the acting force of the flexible bionic stomach can be adjusted under the condition that the driving mechanism does not need to be shifted, assembled and disassembled, the flexible sensor is integrated in the stomach wall, and the magnitude and distribution of the stress of the stomach wall can be monitored in real time through the flexible sensor; meanwhile, the acting force of the driving mechanism on the stomach wall can be adjusted according to feedback pressure data, so that an experiment closer to the real stomach digestion process of a human body is simulated.