71 results about "Stomach walls" patented technology

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 reduced in size.

The present invention relates to a reflux disease treatment apparatus comprising an implantable movement restriction device that maintains cardia in the correct position and an implantable stimulation device adapted to engage with the cardia sphincter of a patient. The invention further comprises a control device for controlling the stimulation device to stimulate the cardia sphincter. The invention can be combined with various methods for treating obesity, in particular methods that creates satiety by stretching the wall of the stomach or fills out a volume of the stomach.

The present invention relates to a reflux disease treatment apparatus, comprising an implantable movement restriction device with an elongated shape that maintains cardia in the correct position and an implantable stimulation device adapted to engage with the cardia sphincter of a patient. The movement restriction device has a proximal and a distal end, wherein the distal end is adapted to stabilize and hold the distal 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.

The present invention relates to a reflux disease treatment apparatus, apparatus, comprising an implantable movement restriction device that maintains cardia in the correct position and an implantable stimulation device adapted to engage with the cardia sphincter of a patient. The invention further comprises a control device for controlling the stimulation device to stimulate the cardia sphincter. The invention can be combined with various methods for treating obesity, in particular methods that creates satiety by stretching the wall of the stomach or fills out a volume of the stomach.

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.

An endoscopic gastric plication device includes an assembly able to co-operate with a handle provided with a control mechanism for actuating the assembly for placing and securing a staple around a fold in a stomach wall. The device includes: a mechanism for gripping / pulling a portion of a stomach wall arranged at the end of a manipulation rod adapted to be connected to the control mechanism, which mechanism is capable of being actuated by the control mechanism so as to grip the stomach wall and pull it to form a fold; a mechanism for guiding a staple around the fold in the stomach wall; at least one staple and a mechanism for pushing the staple into the guide mechanism, the staple being designed to pass through and form a loop around the fold while being guided by the guide mechanism; and a mechanism for pulling the looped end of the staple.

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

The utility model relates to the technical field of medical instruments, in particular to a nasal feeding stomach tube which comprises a drainage tube, one end of the drainage tube is provided with an outer connector communicated with the interior of the drainage tube, the other end of the drainage tube is closed to form a closed end, and a drainage hole is formed in the position, close to the closed end, of the drainage tube. The drainage tube is provided with an air inlet channel, an air inlet connector and an air bag. The air inlet connector is arranged at the end, away from the closed end, of the drainage tube and communicated with the air inlet channel. The air bag is arranged close to the drainage hole and communicated with the air inlet channel. When the nasal feeding stomach tube is used, after a patient places the nasal feeding stomach tube, gas or liquid can be injected into the air bag through the air inlet connector, so that the air bag is expanded to abut against the stomach wall to fix the stomach tube, the stomach tube is not prone to moving, and therefore the stomach tube can be effectively prevented from slipping.

The utility model relates to the technical field of medical instruments, and discloses a pressure injury prevention stomach tube which comprises a connecting tube with one side connected with a needle tube in a clamped mode, one side of the connecting tube is fixedly connected with a guide tube used for conveying food, one side of the guide tube is connected with a pressing device used for sealing in a clamped mode, and the other side of the connecting tube is fixedly connected with a pressing rod. A feeding pipe used for outputting food is connected to one side of the guide pipe in a clamped mode. According to the pressure-injury-preventing stomach tube, the connecting tube and the guide tube are arranged in a matched mode, the pressure on the stomach wall of a patient can be reduced when the pressure-injury-preventing stomach tube is used, injury to the stomach of the patient is avoided, gas in the stomach of the patient can be guided out through negative pressure through the connecting tube, and therefore the pressure intensity of the stomach of the patient is reduced; due to the arrangement of the guide pipe, the pressure borne by the guide pipe can be increased through the inner air bag, deformation of the guide pipe is reduced, accordingly, damage to the patient when the food flows in the guide pipe is reduced, and the practicability of the device is improved.

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 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.

The invention discloses a gastroenterology department gastric lavage machine, and belongs to the field of gastric lavage machines, the gastroenterology department gastric lavage machine comprises a gastric lavage machine body, the gastric lavage machine body is provided with an injection tube and an extraction tube; the detection probe is arranged in the injection pipe and supported through a supporting and fixing plate, a telescopic assembly and an adjusting assembly are arranged in the extraction pipe, a detection element detection probe capable of monitoring in real time is arranged in the extraction pipe, and the element can stretch out to the end of the extraction pipe when needed; the detection probe is directly contacted with the stomach wall or stomach contents, and the telescopic movement in the extraction tube is realized through the mutual matching of the telescopic assembly and the adjusting assembly, so that the condition in the stomach can be sensed more accurately, and when the resistance in the stomach is increased due to stomach wall spasm, the contracted stomach can extrude the detection probe, and the detection probe can be detected more accurately. Therefore, the control unit is triggered to lavage the body to reduce the pressure and the flow of the gastric lavage liquid, and further injury to the stomach of the patient is avoided while timely adjustment is performed.

An apparatus for the treatment of acid reflux disease comprising two or more movement restriction device segments adapted to be movement restriction device of a controlled size. The movement restriction device can at least partly be 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 invention relates to the field of digital systems, in particular to a jejunum nutrient canal indwelling auxiliary system. Comprising a jejunum nutrient canal and an indwelling catheter auxiliary module, and the indwelling catheter auxiliary module is used for generating an indwelling catheter guide instruction according to a corresponding guide vector in the indwelling catheter process of the jejunum nutrient canal; the catheter indwelling auxiliary module is executed according to the following steps that every time when the driving motor rotates by a guiding angle, a guiding vector at the current moment is obtained; inputting the guide vector into a target judgment model to generate guide information corresponding to the current moment; the insertion guide wire is guided. The guide vector comprises a plurality of variable values and fixed values, and the relative position between the first guide magnet and the second guide magnet in the body can be reflected more accurately through the combination of the latitude values, so that a model can predict more accurate guide information according to the guide vector. Due to the fact that the movement freedom degree of the guiding end in the stomach is larger, the guiding end can pass through the pylorus more easily, and the risk of damage to the stomach wall is reduced.