26 results about "Abdominal wall" patented technology

The invention discloses an MAP scoring method and device based on kidney three-dimensional modeling, and belongs to the field of medical image processing. The method comprises the following steps: acquiring kidney medical image data, wherein the kidney medical image data comprises kidney CT image data; preprocessing the kidney medical image data; generating a complete kidney three-dimensional model based on the kidney medical image data; calculating the centroid positions of all voxels in the renal vein three-dimensional model, and taking the Z coordinate of the centroid as a standard measurement plane; identifying an anatomical region needing to be measured on the standard measurement plane based on a deep learning segmentation model; extracting an outer contour of the kidney based on the kidney three-dimensional model, determining a posterior abdominal wall contour based on the front edge of the lumbar major muscle, and calculating the shortest distance between the outer contour of the kidney and the posterior abdominal wall contour; and determining a perirenal fat region, enhancing the strip-shaped structure by using a multi-scale filter, and calculating the proportion of the strip-shaped structure in the perirenal fat region. According to the invention, objective quantitative evaluation of perirenal fat adhesion risk is realized.

The abdominal wall retractor for the observation hole of the laparoscope comprises a first retraction arm and a second retraction arm, the first retraction arm and the second retraction arm are hinged through a hinged shaft, and the first retraction arm comprises a first retraction arm front section, a first retraction arm middle section and a first retraction arm rear section. The end part of the rear section of the first retraction arm is fixedly connected with a first operation ring; the second retraction arm comprises a second retraction arm front section, a second retraction arm middle section and a second retraction arm rear section, the end part of the second retraction arm rear section is fixedly connected with a second operation ring, and the end part of the first retraction arm front section is movably connected with a first retraction rod and a second retraction rod; and the end part of the front section of the second retracting arm is movably connected with a third retracting rod and a fourth retracting rod. The utility model has the beneficial effects that the abdominal wall of the observation hole and the subcutaneous fat layer can be expanded, and the anterior sheath layer and the peritoneal layer can be better exposed, so that the peritoneal layer and the anterior sheath layer can be better sutured under direct vision, related complications of a puncture hole are avoided, the use is safe and reliable, and the operation time of medical personnel is saved.

The invention discloses a pressurizing flushing device for hyperthermic intraperitoneal perfusion chemotherapy, and relates to the technical field of medical instruments. Comprising a puncture catheter and a multidirectional flow guide nozzle, the puncture catheter comprises a catheter body, multiple sets of supporting cavities are formed in the catheter body in the length direction, the supporting cavities are communicated through second air inlet channels, and the supporting cavities are of an arc-shaped structure; the end part of the guide pipe body is connected with a multidirectional flow guide nozzle; one end of the nozzle main body is connected with a drainage guide pipe; the drainage catheter is used for connecting a chemotherapy pump machine; the nozzle body comprises a sprayer and a connecting pipe. The other end of the connecting pipe is connected with the drainage catheter; a plurality of through holes are formed in the spray head; and a rotor is rotationally arranged in the connecting pipe. The catheter is prevented from being bent and collapsed under the action of external force such as extrusion of visceral organs in the abdominal cavity and body position change, and it is ensured that a liquid medicine conveying channel is smooth; in addition, the contact uniformity of the liquid medicine and the abdominal cavity wall, especially the peritoneal micro transfer focus, is obviously improved.

The utility model generally relates to the technical field of medical instruments, in particular to a laparoscope liver lifting device which comprises an air bag seat, an air pipe and an air bag column. One end of the air pipe is connected with the airbag seat; the multiple air bag columns are arranged on the air bag seat, and the air bag columns communicate with the air bag seat. The air bag seat and the air bag column can be compressed in a non-inflated state so as to enter a body through a minimally invasive wound of a patient; the air bag seat and the air bag column can support the liver in an inflation state, a certain space is formed between the liver and the abdominal wall, the abdominal wall moves upwards under the minimally invasive pneumoperitoneum condition, the space is increased, the air bag seat abuts against the abdominal wall, the air bag column is located under the liver, along with the increase of the inflation amount, the weight of the liver acts on the air bag column on one hand and acts on the air bag seat on the other hand, and the placement stability is improved; moreover, gaps exist between the air bag columns, a good operation space is provided, an ultrasonic knife, operating forceps and the like can directly penetrate through the air bag columns conveniently, and operation is facilitated.

The trocar assembly comprises a head, a long tubular structure having an open distal end and an open proximal end, a fixed cutting component combining a large cutter with two sharp lateral blades and a centrally located non-cutting soft end extending through the open distal end of the tubular structure, and a movable cutter safety case configured to extend through the open distal end of the tubular structure to cover the fixed cutting component and to retract from the open distal end to expose the fixed cutting component. When pressure is applied proximal to the cutter safety case, a large incision is formed in the fascia, the abdominal wall is penetrated, the reaction pressure from the abdominal wall is released, and the body cavity is safely reached.

The utility model discloses a disposable abdominal wall drainage ostomy bag, which relates to the field of medical appliances, and comprises a drainage bag main body, a drainage tube, a connecting mechanism and an anti-regurgitation mechanism, the connecting mechanism is used for connecting the drainage bag main body with an orificium fistulae position of a patient, and the anti-regurgitation mechanism is used for preventing seepage of the drainage bag main body. One end of the drainage tube penetrates through the inner cavity of the mounting hole and penetrates out of the fixing opening, the drainage tube is extruded and fixed through the fixing opening, the rubber base plate is attached to the skin of a fistula of a patient, the fistula is protected, seepage enters the inner cavity of the rubber base plate and downwards flows into the inner cavity of the drainage bag body, and therefore the fistula is protected. When the liquid flows downwards, the bottom of the valve is extruded and expanded, seepage downwards enters the inner cavity of the drainage bag body, and when the liquid in the drainage bag body flows out of the liquid inlet, the valve blocks the liquid, and the liquid is prevented from flowing back.

The invention relates to an anti-reflux and anti-infection abdominal wall urine collection device which comprises a waistband, a connecting pipe, a drainage device, an extension pipe and a urine collection bag. A base is arranged on the waistband and provided with a through hole corresponding to a fistulization opening, one end of a connecting pipe is in threaded connection with the through hole, and the other end of the connecting pipe is in threaded connection with a drainage device. The position, close to the drainage device, of the connecting pipe is provided with a thread in a telescopic and tortuous mode, the inner wall of the connecting pipe is provided with a thread, and the thread is provided with an antibacterial coating. An anti-backflow device is arranged at the joint of the connecting pipe and the drainage device; one end of the extension tube is connected to the drainage device, and the other end is connected with the urine collection bag; a control device is arranged at the joint of the drainage device and the extension tube. The position, close to the drainage device, of the connecting pipe is tortuous, so that direct contact between the connecting pipe and air can be reduced; due to the arrangement of the antibacterial coating, the antibacterial capability can be enhanced; the anti-backflow device is arranged, so that urine can be discharged outwards in one direction; due to the arrangement of the extension tube, the urine collection bag can be fixed on the leg and is convenient to wear.

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.

The utility model relates to a leather bridge loop type ileum stoma drainage device, which belongs to the technical field of ileum stoma and comprises a collecting box, an air supply box and an abdominal wall, a connecting pipe is inserted in the right side of the collecting box, a connecting assembly is arranged on the outer side of the connecting pipe, and an observation box is fixedly communicated with the right side of the connecting pipe. The right side of the observation box fixedly communicates with a hose, the bottom of the air supply box communicates with an air outlet pipe, the right side of the air outlet pipe communicates with an air bag, and a locking assembly is arranged on the inner side of the air bag. According to the leather bridge loop type ileum stoma drainage device, through the arrangement of the connecting assembly, the collecting box and the connecting pipe can be disassembled easily, the device can be cleaned easily after being used, the use convenience of the device can be improved easily, through the arrangement of the locking assembly, adjustment between the air bag and the hose is achieved, and therefore the drainage requirements of different intestinal tracts are met; the use flexibility of the device is improved, and the whole device is convenient to clean, high in flexibility and convenient to use.

The invention relates to the technical field of human body models, and discloses a human body anatomical model which comprises a skeleton model, the skeleton model is externally covered with a three-layer structure, the three-layer structure comprises a first component, a second component and a third component from outside to inside, the first component sequentially displays anterior abdominal wall skin, superficial fascia and deep fascia from outside to inside, and the second component sequentially displays anterior abdominal wall skin, superficial fascia and deep fascia from outside to inside. The first component displays abdominal muscle, the second component displays abdominal muscle, the third component displays abdominal transverse fascia, the left layered structure is fixed, the right layered structure can be separated and movable, through gaps are formed in the second component and the third component, a groin pipeline is arranged in the gaps in a penetrating mode, and an LED lamp strip is arranged in the groin pipeline. According to the human anatomy model, through the model, structures of all layers can be freely displayed in a layered mode, walking of cavity gaps and contents can be displayed in a three-dimensional mode, and the position, two mouths, four walls and the contents of a groin canal can be clearly displayed through the LED lamp strips.

The invention relates to an expansion device for prostate surgery. The expansion device comprises at least one first distraction unit, a first mounting unit, a first holding unit, at least one pressing unit, a second mounting unit, a second holding unit and a first locking unit. The device has the advantages that the relative positions of the first holding unit and the second holding unit are locked through the first locking unit, so that the first holding unit and the second holding unit get close to open the first opening unit and the pressing unit, and the first ends of the first opening unit and the pressing unit are both arranged to be arc-shaped; the pressing unit is arranged to be of a structure longer than the first distraction unit and is specially used for the prostate surgery, so that during the surgery, the first distraction unit can be utilized to safely support the abdominal wall of a patient, the arc-shaped structure of the pressing unit is utilized to press the prostate tissue, and a clear working space is created in the abdominal cavity; and an operation channel is provided through the second holding unit, CO2 does not need to be charged to establish pneumoperitoneum, the expansion operation is simple, and great convenience is provided for prostate operation.

The present application can easily perform installation of a puncture needle guide adapter to an ultrasonic probe outside the abdominal cavity, and can easily confirm the installation state of the puncture needle guide adapter inside the abdominal cavity. Alternatively, insertion and extraction of the ultrasonic probe from a guide tube that passes through the abdominal wall can be smoothly performed. A puncture adapter (400) is detachably installed to a head (210) of a probe (200) outside the abdominal cavity. The puncture adapter (400) has a main body portion that covers a through hole for guiding a puncture needle, an insertion portion that is inserted into the through hole, and a needle guide hole that communicates with the main body portion and the insertion portion and guides the puncture needle inserted from a needle inlet portion of the main body portion to a needle inlet portion of the insertion portion.

This utility model proposes a trocar for laparoscopic surgery, relating to the field of trocar technology. It includes a trocar cone and a trocar cannula assembly. The trocar cone penetrates the trocar cannula assembly. The trocar cannula assembly includes a ventilation connector and a positioning cannula. One end of the positioning cannula is fixedly connected to and communicates with one end of the ventilation connector. The other end of the ventilation connector is detachably connected to the trocar cone. The other end of the positioning cannula is provided with an inflation-expansion blocking part, which communicates with the positioning cannula. This trocar for laparoscopic surgery can flexibly block the abdominal wall, effectively improving the airtightness of the trocar cannula fixed to the patient's abdominal wall.

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.

To provide a technique for suppressing excessive scarring of a biological tissue in a wound healing process.SOLUTION: An artificial scaffold material for wound applied to wound of a living body contains a biological absorbing biomaterial and an anti-fibrosis agent as main components, wherein the biomaterial contains the anti-fibrosis agent at least during usage of the scaffold material for wound. The biomaterial functions as an artificial extracellular matrix having properties to bond a precursor cell of a myofibroblast of a living body, in a wound. The scaffold material for wound is placed in an abdominal cavity so that at least one of a first contact in which it is placed in the wound and / or comes in local contact with a region having a first wound part, out of the inner surface of the abdominal wall of the living body, and a second contact in which it comes in local contact with a region having a second wound part, out of the outer surface of a target organ in the abdominal cavity. Thereby, the anti-fibrosis agent is locally administrated into the wound, and anti-scarring treatment is conducted in a wound healing process.SELECTED DRAWING: Figure 2

The utility model discloses a stepped hernia reduction fixing band which comprises a fixing band body. The second elastic band can be transversely fixed and reinforced along the first elastic band, and is suitable for abdominal hernia, umbilical hernia and lumbar hernia; the interlayer is sewed separately, so that the compression is accurate, the possibility of displacement is low, the effect is more effective, the compression bowl replaces a straw bag, the compression bowl is better than the fixation, and more effective help is provided for an operator needing step-by-step retraction and preparation according to the size of the hernia; therefore, the effects that straight and indirect hernia parts are designed separately, the hernia sac is plastically reduced by stages, and the effects are achieved on abdominal hernia, umbilical hernia and lumbar hernia are achieved, and the problem that the effect is poor due to the fact that a built-in interlayer of an existing product is not designed separately according to different straight and indirect hernia parts and a straw bag is pressed to move in the using process is solved; the hernia sac cannot be shaped and can not be reduced by stages by pressing the straw bag, and the preoperative preparation effect cannot be achieved for huge hernia or hernia difficult to restore; the traditional Chinese medicine is only suitable for inguinal hernia and has no effect on abdominal hernia, umbilical hernia and lumbar hernia.

The utility model relates to the technical field of medical instruments, and particularly discloses an exposing device for gall bladder resection of a single-port laparoscope. The first supporting rod is connected to the outer part of the pressing strip; through the arrangement of the pressing strip, the first supporting rod, the clamping mechanism and the supporting strip, the supporting strip can be bent, fixation is achieved through clamping of the first clamping buckle base and the first supporting rod, the supporting strip and the pressing strip are supported through the supporting mechanism, in the process, the pressing strip stably presses the intestinal tract, the supporting strip abuts against the anterior abdominal wall, and therefore the intestinal tract can be fixed. In addition, the length of the supporting strip and the length of the pressing strip can be tailored according to requirements, after tailoring, the supporting strip can be inserted into the inserting base through the inserting pipe, therefore, stable clamping and fixing of the supporting strip and the pressing strip are achieved, and good supporting and adjustability are guaranteed in the operation.

The invention discloses an abdominal wall local anesthetic diffusion visual analysis system based on infrared temperature image features, and relates to the technical field of medical monitoring. The thermal imaging acquisition and processing module is used for performing sequence scanning at preset time points set before and after retardation operation to obtain original temperature image data; the target region feature extraction module is used for determining a target analysis region according to the retardation type and determining feature parameters according to the temperature data of the target analysis region; and the effect prediction and evaluation module takes the characteristic parameter set as the input of a time sequence prediction model, and outputs and obtains the corresponding predicted low-temperature area and predicted retardation effect level. Through the infrared thermal imaging technology, the temperature change caused by diffusion of the local anesthetic in the abdominal wall tissue after injection can be continuously captured in a non-contact and non-radiation mode, so that the two-dimensional diffusion profile and the dynamic migration process of the local anesthetic can be visually presented in real time, and then corresponding visual information can be provided.

The invention relates to a self-closing type reduction-free enterostomy device, and belongs to the technical field of medical instruments. The ostomy device comprises a T-shaped body structure, and the T-shaped body structure comprises a first cylindrical channel and a second cylindrical channel which are used for penetrating into the front intestinal tract and the rear intestinal tract at the position of an intestinal fistula and a third vertical channel which is used for penetrating out of the abdominal wall. A disc-shaped stoma valve capable of being opened and closed is arranged at the tail end of the third vertical channel. An annular groove for placing a biological plugging device is annularly formed in the outer side of the vertical channel; according to the invention, a secondary-reduction-free operation can be realized; rapid non-invasive reduction can be realized by utilizing the biological plugging device, so that the traditional enterostomy reduction operation is avoided, and the related operation cost is saved; according to the invention, intelligent on-demand current transfer can be realized; when the stoma valve is closed, the natural passage of the intestinal tract is recovered, the patient can normally eat and defecate, and the living quality is remarkably improved.

The invention provides a nursing device for stoma, and relates to the technical field of medical treatment. The nursing device comprises a fixing disc, a connecting rod and a mounting piece. The fixing disc is fixed in the body of a patient through nails, and the connecting rod arranged on the fixing disc penetrates out of the abdominal wall of the patient. One end of the mounting piece is inserted into a fistulization opening of a patient, and a connecting through hole communicated with the intestinal tract of the patient is formed in the middle of the mounting piece. The installation piece is installed on the connecting rod, and the connecting piece is connected with the suction cup or the bag-free type ostomy device. The mounting piece comprises a fixing cylinder, a connecting plate, a mounting cylinder and a limiting plate. One end of the fixing cylinder is inserted into the stoma of a patient. And the connecting plate is mounted on the fixed cylinder. The mounting cylinder is connected with the fixing cylinder. The limiting plates are mounted on the mounting cylinder, and the limiting plates are arranged between every two adjacent receding openings. Compared with a traditional ostomy bag, the ostomy nursing device has the advantages that irritation to the skin near the ostomy in the installation process is reduced, and meanwhile, friction between the ostomy bag and the intestinal tract at the ostomy position is reduced, and irritation to the intestinal tract is reduced.

This utility model relates to an intestinal decompression tube for insertion into an abdominal wall stoma, comprising a tube body and a main cavity in the middle of the tube body. A drainage interface connected to the main cavity is provided at the top of the tube body. A posterior balloon interface, a ventilation tube interface, and an anterior balloon interface are sequentially provided on the drainage interface. A guidewire channel connected to the ventilation tube interface is provided inside the tube body, and a guidewire is placed within the guidewire channel. A posterior balloon and an anterior balloon connected to the posterior and anterior balloon interfaces are respectively provided on the tube body. Several first side holes for suctioning and flushing thick feces are provided between the posterior and anterior balloons. Several steel balls are provided on the inner wall of the bottom end of the tube body. The posterior and anterior balloons are used to fix the tube body, the guidewire is used to pass through intestinal stenosis, and the steel balls are used for the tube body to turn, facilitating passage through intestinal stenosis. This design offers wide applicability.

The utility model belongs to the technical field of medical instruments, and particularly relates to an abdominal wall puncture stitching instrument. Comprising a puncture cannula device, a puncture cone device and a threading hook, the puncture cannula device comprises a puncture cannula seat, a gas injection valve, a gas injection switch, a gas blocking valve, a rotary switch, a spring, a puncture cannula seat sealing cover, a lower sealing cover, a blocking piece fixing ring, a blocking piece, an upper pressing plate, an elastic sealing cap inner ring, a lower pressing plate, a self-debugging sealing cap and a positioning guide cover. The puncture cone device comprises a puncture cone, a release switch, a puncture cone seat, a pressing key, a puncture cone guide hole I and a puncture cone guide hole II; the threading hook comprises a handle, a push handle reset spring, a push handle, a handle cover, a thread pulling hook, a sleeve and a needle tube. The abdominal wall puncture stitching instrument is reasonable in design and convenient to use, due to the fact that the puncture cannula device, the puncture device and the threading hook are arranged, puncture of deep fascia of the abdominal cavity, the thoracic cavity and the like is achieved under an endoscope, and meanwhile a channel allowing other minimally invasive instruments to enter the body is established for laparoscopic surgery.

The invention discloses a peritoneal dialysis catheter protection kit. The peritoneal dialysis catheter protection kit comprises a protection sleeve and a fixing clamp, wherein the protection sleeve is used for protecting a peritoneal dialysis catheter in the suture process of peritoneal dialysis catheterization, and the fixing clamp is connected with the protection sleeve. The inner diameter of the protective sleeve is slightly larger than the outer diameter of the peritoneal dialysis catheter and the outer diameter of the polyester sleeve, so that the catheter is protected, and meanwhile it is guaranteed that the catheter can move in the protective sleeve. The fixing clamp is composed of a pair of arc-shaped extension rods, the ends of the fixing clamp are provided with anti-skid design, the default state is that the dialysis catheter is clamped, and the fixing clamp and the protective sleeve are integrally formed. The protective kit is made of the puncture-resistant medical high polymer material, has proper rigidity and flexibility, and can effectively prevent the suture needle from puncturing, so that the effect of protecting the peritoneal dialysis catheter is achieved, and the catheter is prevented from being punctured by mistake or scratched when the rectus abdominis anterior sheath or abdominal wall tissue is sutured. The peritoneal dialysis catheter is simple in structure and convenient to use, the damage risk of the catheter can be remarkably reduced, the safety and success rate of peritoneal dialysis catheterization are improved, and meanwhile postoperative abdominal wall leakage, infection and other complications are avoided.

1. The name of the design product: puncture device (abdominal surgery). 2. The use of the design product: the design product is used to cut the abdominal wall in laparoscopic surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The rear view is the same as the front view, and the right view is omitted.

The invention relates to a pneumoperitoneum-free laparoscopic surgery suspension system which comprises a suspension unit and a supporting system. The suspension unit comprises a plurality of pairs of puncture needles with hollow structures and guide wires penetrating through each pair of puncture needles; the supporting system is used for tightening and fixing the two ends of the guide wire. Compared with the prior art, the flexible full abdominal wall suspension system based on the central venipuncture guide wire is easy and convenient to operate and low in cost, does not need special equipment, can provide an excellent operation space comparable with a pneumoperitoneum method, and can be used for gasless laparoscopic cholecystectomy; the problems that physiological interference complications are caused by a traditional pneumoperitoneum method, and an existing pneumoperitoneum-free abdominal wall subcutaneous suspension device is insufficient in surgical field exposure, poor in patient BMI adaptability, dependent on special and expensive equipment, complex in operation, prone to causing abdominal wall injuries and the like are effectively solved.