13 results about "Peritoneum" patented technology

The invention relates to the technical field of medical image artificial intelligence, in particular to an auxiliary interpretation method for medical image rapid diagnosis of acute abdominal disease in combination with deep learning, and the method comprises the steps: 1, organ targeted segmentation: obtaining CT sequences of an arterial phase, a venous phase and a delay phase, and carrying out the dynamic calculation of an interpolation interval according to the layer thickness parameter of scanning equipment, and carrying out the spatial standardization; synchronously generating an intestinal canal mask, a blood vessel mask and a peritoneum mask by adopting an acute abdominal disease directional segmentation network, wherein the network introduces an anatomical size adaptive multi-scale cavity convolution group into a deep layer of an encoder; 2, quantifying dynamic pathological signs; step 3, performing clinical-image gating fusion; and 4, multi-task cooperative diagnosis: inputting the fusion features into a pre-trained multi-task network, and outputting an acute abdominal disease cause classification probability and an operation urgency evaluation value in parallel. The multi-dimensional analysis capability of acute abdominal disease diagnosis is improved through multi-task cooperative diagnosis, and accurate classification of disease causes and evaluation of operation urgency can be carried out at the same time.

The invention relates to the field of new biological materials, in particular to a high-packaging-dose antibacterial slow-release biological patch obtained by packaging at least two antibiotics with an acellular matrix material. The acellular matrix material is derived from any two of small intestinal submucosa, peritoneum, dermis, bladder basement membrane and pericardium; the antibiotics comprise hydrophobic antibiotics and hydrophilic antibiotics, and the hydrophobic antibiotics are selected from one or more of Beta-lactam antibiotics, rifamycin and macrolide antibiotics; the hydrophilic antibiotics are tetracycline antibiotics. The coating-free drug-loaded sustained-release system based on a lamination process kills bacteria in a short period, prevents colonization and reproduction of bacteria in a wound / patch, realizes synergistic and continuous release of antibiotics along with a wound healing process, guides tissue regeneration and synchronously realizes degradation, is applied to a high-incidence infection period of a surgical operation, reduces adhesion, and has a good application prospect. The abdominal wall strength is enhanced, and the growth of wound granulation tissues is promoted.

The present invention relates to a method for training a model for predicting abdominal surgery information, which is performed by a computing device, the method comprising a step of training an artificial neural network model by using medical image data and masking data labeled with the degree of adhesion between the peritoneum and organs such that, when a medical image is input, the model outputs abdominal surgery-related information of the input medical image.

The invention discloses application of a hydrogel microneedle capable of being implanted into an abdominal cavity in colorectal cancer abdominal wall infiltration focus, and relates to the field of medicine. The traditional Chinese medicine composition is applied to clinical treatment of rectal cancer abdominal wall infiltration lesions, and a mouse subcutaneous tumor model and the abdominal wall infiltration lesions are verified, and the specific application method comprises the following steps that 1, after a mouse is subjected to general anesthesia, the abdomen of the mouse is opened, and the position of the abdominal wall infiltration lesions is detected and determined; step 2, clamping the sterilized micro-needle sheet by using noninvasive forceps and feeding the sterilized micro-needle sheet into an abdominal cavity; 3, attaching the microneedle substrate to the surface of a focus under direct view, and pressing to enable the needle body to penetrate through the peritoneum; and 4, flushing with normal saline to confirm that the microneedle is fixed, withdrawing the instrument, and suturing the incision. The microneedle physically penetrates through the surface layer of the peritoneum, the medicine is directly delivered to the deep layer of an infiltrating focus, the problem of low efficiency caused by the peritoneum barrier in the traditional therapy is solved, and the GelMA / hyaluronic acid hydrogel is gradually swelled and degraded in body fluid, so that collagenase, a macrophage scavenger and an anti-tumor medicine are continuously released, and the local effective concentration can be maintained for more than two weeks.

This product prevents inguinal hernias, which occur when the peritoneum is torn and the intestines protrude downward, by lifting and holding the penis and scrotum, preventing the intestines from dropping, and the internal sponge wire makes it possible to hold down multiple affected areas.

The invention discloses a bacterial infection and LPS induced broiler chicken liver injury model and a construction method and application thereof, and the construction method comprises the following steps: administering 10-day-old broiler chicken with Escherichia coli E.coli O78 with a preset concentration in an intragastric administration manner; after broiler chickens are subjected to intragastric administration of escherichia coli for 18 hours, an LPS solution is injected into the intraperitoneal cavity of the broiler chickens, after the LPS solution is injected for 24 hours, the broiler chicken liver injury model is obtained, when the broiler chickens are 11 days old, the broiler chickens subjected to intragastric administration of escherichia coli are subjected to intraperitoneal injection of the LPS solution, and after the LPS solution is injected for 24 hours, the broiler chicken liver injury model is obtained. The broiler chicken liver injury model is constructed by intragastric administration of avian pathogenic escherichia coli (E.coli O78) and intraperitoneal injection of LPS (2 mg / kg), the pathology of the model is highly consistent with that of clinical broiler chicken bacterial liver injury, the liver has clinical typical lesions macroscopically, liver cells are degenerative and necrotic microscopically, and a molecular pathway activation mode is consistent with that of clinical application; the model constructed by the invention realizes specific liver injury, only the liver has specific injury, multiple organ lesions such as heart, peritoneum and the like do not exist, and the model availability is high.

The present invention discloses a medical stapler and a suture method using the same. Among them, the stapler includes a suture cavity for the tissue to be sutured to enter the interior from the outside to the inside and perform suture operations inside; the suture method using the same includes inserting the suture cavity into the abdominal puncture hole, and the lower end of the suture cavity passes through the subcutaneous tissue, fascia and peritoneum. The abdominal wall tissue enters the interior of the suture cavity through the through holes on the suture cavity, and the abdominal wall tissue is sutured inside the suture cavity by a suture needle; in the present invention, the medical stapler is inserted into the abdominal puncture hole, and the abdominal wall tissue enters the suture cavity from the outside to the inside through the through holes on the suture cavity, and threading operations are performed on the abdominal wall tissue entering from the outside to the inside from the internal space of the suture cavity to complete the suture, protecting the internal tissues of the abdominal cavity from being damaged.

The invention provides an establishment method of a gastric cancer liver metastasis PDX model, and belongs to the technical field of PDX model establishment. The establishment method of the stomach cancer liver metastasis PDX model comprises the following steps: collecting stomach cancer tissues of a clinical patient, and preprocessing the stomach cancer tissues; cutting the gastric cancer tissue into gastric cancer tissue cubes and storing the gastric cancer tissue cubes; the method comprises the following steps: shaving and preparing abdominal skin of a mouse, disinfecting, transversely cutting the skin and peritoneum of the mouse by using sterile dissecting scissors, and exposing large-lobe tissue of the liver; a sterile syringe needle is used for creating a tiny wound on the liver lobe scratch; suturing the gastric cancer tissue cubes to the tiny wounds; and the peritoneum and skin of the mouse are sutured by absorbable surgical sutures. Compared with a gastric cancer liver metastasis model constructed by a cell line, the model obtained by the method for establishing the gastric cancer liver metastasis PDX model is closer to tumor tissue characteristics, genetic hereditary characteristics and tumor heterogeneity of a patient, and is more beneficial to individualized treatment or mechanism research of the patient.

This model helps in understanding the gross anatomy (shape, relative size, and three-dimensional positional relationship) of the intestines and mesentery. It is useful for medical students and young healthcare professionals to acquire basic knowledge for understanding the pathophysiology of diseases and injuries of abdominal organs, as well as for examination and treatment. [Solution] The model 50 has an intestinal tract 2 covered and embedded by the peritoneum 1, an intestinal tract 2 provided in the posterior abdominal wall 4 in a form where much of the outer circumference is covered by the peritoneum 1, and an intestinal tract 2 provided in the posterior abdominal wall 4 via the mesentery 5, wherein each of the intestinal tracts 2 is made of a flexible and smooth pliable material and attached to a substrate 23 which is the posterior abdominal wall 4, and each of the intestinal tracts 2 and the mesentery 5 are configured to be the same as or approximately the same length and thickness as those in living organisms, thereby solving the above problem.

Therapeutics and methods of treating a stroke in a patient comprising delivering stem cells into a peritoneum of the patent. According to a further embodiment the stem cells are mesenchymal stem cells. According to a further embodiment the stem cells are human placenta mesenchymal stem cells (hPMSC). According to a further embodiment the stroke is one of stroke is one of occlusive, post-occlusive, hemorrhagic, and transient ischemic injury. According to a further embodiment the method further comprises the step of delivering a clot busting compound into a blood stream of the patient.

The utility model relates to a hernia patch which comprises a hernia patch body, and the hernia patch body comprises a first surface and a second surface. The hernia patch body is provided with a groove recessed from the first surface to the second surface, the periphery of the groove forms a plane area surrounding the groove, and the bottom of the groove is provided with a through hole. The utility model aims to solve the problems existing in the patch implanting process in the Lijinstein technology. The grooves are formed in the hernia patch body, so that the hernia patch body adapts to a physiological adaptation area of a groin anatomical form; further, the hernia patch body is well matched with the anatomical form of the abdominal wall; due to the good adherence performance, the hernia patch body can be not fixed and can be completely paved on the abdominal wall; even if the pneumoperitoneum pressure is removed, the peritoneum, the patch and the abdominal wall can still be well attached, the moving opportunity of the patch is reduced, and correspondingly, the occurrence of postoperative pain is also reduced.

A method of treating a hip joint of a human is provided. The method comprises a step of dissecting an area of the pelvic bone, comprising at least one of the following: dissecting an area between peritoneum and the pelvic bone, dissecting an area between the pelvic bone and the surrounding tissue, dissecting an area of the pelvic region, and dissecting an area of the inguinal region, or, the method comprises at least two of the following steps: dissecting an area of the abdominal cavity, penetrating the hip joint capsule, dissecting an area between peritoneum and the pelvic bone, dissecting an area of the pelvic bone which comprises: dissecting an area between the pelvic bone and the surrounding tissue, or dissecting an area of the pelvic region, or dissecting an area of the inguinal region, and removing or penetrating the tissue surrounding the pelvic bone in the area opposite to acetabulum.

The present disclosure relates to a method of detecting a function or a change in function, in particular gastrointestinal motility, of the stomach, small intestine or peritoneum of a patient, comprising the steps of applying electrodes to opposite sides of the abdomen of the patient, the electrodes comprise at least one electrode for supplying current to the abdomen and at least one electrode for receiving current along a current path through the abdomen; providing an alternating current signal to the electrode; and determining or measuring the conductivity of the abdomen along the current path between the electrodes, wherein a change in the measured or determined conductivity of the abdomen over a period of time provides an indication of a function or dysfunction of the stomach, small intestine or peritoneum. The present disclosure also provides related systems for assessing the function or change in function of the stomach, small intestine, or peritoneum of a patient, particularly gastrointestinal motility.