35 results about "Laparotomy" patented technology

The utility model provides a fresh fish viscera removing and flushing device which comprises a base, a conveying belt is horizontally arranged above the base, a machine frame is arranged at the top of the base, a first lead screw is arranged on the machine frame, one end of the first lead screw is rotationally connected to the machine frame, and the other end of the first lead screw penetrates through the machine frame and is in driving connection with a first motor. The bottom face of the first moving block is connected with a first electric push rod, the telescopic end of the first electric push rod is connected with a pressing plate, the bottom of the pressing plate is connected with a cushion plate, two moving mechanisms are sequentially arranged on the top face of the base, the side face of the first moving mechanism is connected with a laparotomy mechanism, and the side face of the second moving mechanism is connected with a flushing mechanism. The flushing mechanism comprises a water spraying pipe, a viscera removing mechanism and a circular brush, the circular brush of the flushing mechanism is moved into the fish belly by the moving mechanism, the inner wall of the fish belly is rubbed by the rotating circular brush, and meanwhile, the inner wall of the fish belly is flushed by water flow generated by the water spraying pipe, so that black peritoneal dirty layers can be effectively removed, and fresh fish viscera are removed by the vacuum suction pipe.

The invention belongs to the technical field of medical model construction, and particularly relates to a construction method of a severe endometrial injury mouse model ineffective in MSCs treatment. The method specifically comprises the following steps: S1, selecting a female mouse to adapt to the environment for 2-3 days; s2, after the mouse adapts to the environment, anesthetizing the mouse on the 0th day, performing laparotomy to physically scrape the inner uterine wall of the mouse, and then performing injury induction and suturing on the inner uterine wall by using an LPS (Lipopolysaccharide) solution; s3, repeating the step S2 on the third day, and performing laparotomy, curettage, LPS induction and suture on the mouse; s4, preliminarily evaluating the severe endometrial injury condition of the mouse on the fifth day; s5, injecting MSCs into the uterus of the mouse with the severe endometrial injury to treat the endometrial injury; and S6, on the eighth day, collecting a uterus sample to evaluate the repair capability of the MSCs, and screening to obtain the severe endometrial injury mouse model ineffective in MSCs treatment. Through a mode of carrying out physical curettage and lipopolysaccharide induction on the uterus through twice laparotomy, severe IUA patients ineffective in clinical MSCs treatment are better simulated.

The automatic tractor comprises a first support, the top of the first support is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a first electric telescopic rod, and the telescopic end of the first electric telescopic rod is fixedly connected with a second electric telescopic rod. And the telescopic end of the second electric telescopic rod is fixedly connected with a third electric telescopic rod, the telescopic end of the third electric telescopic rod is fixedly connected with a second support, the top of the second support is fixedly connected with a second motor, and an output shaft of the second motor is fixedly connected with a fifth support. The first motor, the first electric telescopic rod, the second electric telescopic rod, the third electric telescopic rod, the second support, the second motor, the third support, the third motor, the fourth support, the fourth motor and the fourth electric telescopic rod are arranged, the overall flexibility of the device is effectively improved, and great convenience is brought to use of people.

The utility model is suitable for the technical field of sturgeon belly cutting, and provides a sturgeon belly cutting device which comprises a belly cutting table, the inner side wall of the belly cutting table is fixedly connected with a supporting block, the bottom of the belly cutting table is provided with a through groove, the top of the supporting block is movably connected with a grid plate, the bottom of the belly cutting table is movably connected with a telescopic pipe, and the telescopic pipe is fixedly connected with the supporting block. By means of a grid plate arranged in the belly cutting table, residual fish corners and minced meat can be collected and filtered when sturgeons are cut, the fish corners and the minced meat are prevented from falling into the telescopic pipe, meanwhile, waste water can enter the collecting box through the telescopic pipe for unified treatment during flushing, and the waste water can be recycled. And a filter screen is mounted in the collecting box, so that broken slag in the convected wastewater can be filtered again, and during secondary utilization, adsorption treatment can be performed through two activated carbon plates arranged in a round pipe, so that the wastewater can be deodorized, the use is convenient, and the cost and resource waste are effectively reduced.

The utility model discloses a trocar assist device which comprises a mounting plate, a circular trocar inlet is formed in the middle of the mounting plate, and an inlet pipeline is fixedly connected in the trocar inlet. The trocar is inserted through the trocar inlet in the mounting plate, the inflow channel wrapping the trocar is tightened through the elasticity of the inlet pipeline, the trocar can rotate by 360 degrees in the inlet pipeline, and the endoscope entering difficulty and the operation inconvenience of endoscopic surgery after transfer laparotomy are reduced.

The invention discloses a method for constructing a urinary tract infection domestic rabbit model, which comprises the following steps of: on the basis of catheter guidance, placing a ureteral catheter into a bladder through a urethra to manufacture a barrier-free artificial channel, then placing a spiral epidural catheter into the bladder through a ureteral catheter channel, and finally, placing the spiral epidural catheter into the bladder through the ureteral catheter channel. After Escherichia coli is injected through a ureteral catheter, a urethral orifice is quickly ligated with a silk thread, and the urethra is reopened after 2 hours. According to the invention, the condition of complicated urinary tract infection caused by common clinical calculi, foreign matter retention (stent tubes, ureters and the like) and the like can be simulated; compared with a ureter semi-ligation model, the method is relatively simple to operate, low in infection rate and high in repeatability; compared with a bladder direct injection bacterial model without laparotomy, the model has the advantages of typical pathological process and high and stable urinary tract infection success rate.

The invention discloses an operation table for dissecting rats and mice, and relates to the technical field of mouse dissecting tables, the operation table comprises an experiment assembly and a laparotomy assembly, and the experiment assembly comprises a working plate; the laparotomy assembly comprises a rotating frame, a deformation plate and a clamping plate; the rotating frame is rotationally connected to the working plate through a friction hinge and is used for placing a mouse; during laparotomy and mouse observation, the rotating frame can drive the whole mouse to rotate, and the wound orientation is adjusted; a clamping plate is arranged at one end, far away from the rotating frame, of the deformation plate; the deformation plate is made of a bendable iron material, and the clamping plate is used for clamping and unfolding the epidermis of a mouse; according to the device, an operator can adjust the angle and the distance between the two clamping plates at will through the deformation plate capable of being manually bent, so that the device can be perfectly attached to mice of various body types from small size to large size, the problem that the belly is not fully lifted due to too loose clamping or the chest is pressed due to too tight clamping is solved, and a stable foundation is provided for anatomy operation.

The utility model discloses a negative pressure aspirator with a smoke suction function for laparotomy, which relates to the technical field of negative pressure aspirators and comprises a negative pressure tube, a connecting tube, a suction tube, a sleeve and a smoke suction tube, one end of the connecting tube is connected with the negative pressure tube, the other end of the connecting tube is connected with the suction tube, and one end of the suction tube far away from the connecting tube is a suction port. The sleeve can be sleeved on the outer side of the suction tube, and a plurality of round holes are formed in the inner wall of the sleeve; a smoke suction cavity is formed in the inner wall of the suction pipe, the negative pressure pipe is connected with an air suction machine, negative pressure is generated in the negative pressure pipe through the air suction machine, blood and pus generated in the laparotomy process are sucked through a suction port of the suction pipe, and when a large smoke range is generated, the suction effect of the suction pipe is poor, and an auxiliary block and an arc-shaped plate can be manually pulled to move, so that the suction effect is good. The range of smoking is expanded by increasing the number of the smoking ports, the smoking effect is improved, harmful smoke in the operation process can be effectively and timely removed, and certain harm to medical staff and patients is avoided.

The utility model belongs to the technical field of medical gloves, and discloses a disposable rubber index finger stall thickened surgical glove which comprises a glove body, a wrist sleeve is fixedly arranged on the left side of the glove body, and a finger stall assembly is further arranged on the right side of the glove body. The finger stall assembly comprises an index finger stall which is fixedly arranged and communicated with the glove body, and a thickening assembly is further arranged on the outer side of the fingertip of the index finger stall; the thickening assembly comprises a composite sleeve arranged on the outer side of the index finger sleeve in a sleeving mode, and a connecting elastic thickening sleeve is arranged on the outer side of the composite sleeve in an attached mode. The whole index finger can serve as a cutting base plate to bear different electrocoagulation energy in all directions, and therefore it can be guaranteed that operating fingers are protected in a more targeted mode in the laparotomy by thickening the whole index finger.

The invention discloses a closed tumor-free drainage apparatus for abdominal tumors, which relates to the field of medical instruments, and comprises a protective sleeve, a sealing mechanism, a limiting mechanism and a sealing mechanism, the protective sleeve is used for protecting when drainage mass cyst fluid is used for reducing the volume of the tumors aiming at the huge tumors (cystic solid / cystic) of the pelvic and abdominal cavities, and the sealing mechanism is used for sealing and attaching the protective sleeve and the tumor cyst wall. The limiting device is arranged at the top of the protective sleeve and used for limiting and controlling the size of an opening in the top of the protective sleeve and sealing the whole protective sleeve after drainage operation is finished to prevent cystic fluid from flowing out to the pelvic cavity; by means of the protective sleeve, a drainage tube can penetrate through the interior of the protective sleeve to drain cyst fluid in the wrapping block in a clinical operation of excising a huge tumor of the pelvic cavity, the protective sleeve can protect drainage of the drainage tube and prevent the cyst fluid from flowing into the pelvic cavity and generating a spreading risk, and after the cyst fluid of the wrapping block is drained, the size of the wrapping block can be reduced, and the size of the wrapping block is reduced. In this way, excision operation can be conveniently conducted on the masses, and the length of an abdominal incision can be shortened during laparotomy.

The invention relates to the technical field of medical instruments, and discloses a wound nursing dressing pad suitable for use after laparotomy, the wound nursing dressing pad comprises a soft shell, the right side of the soft shell is fixedly connected with a fixing band, the left side of the soft shell is fixedly connected with a connecting band, the soft shell is internally provided with a nursing structure, and the top of the soft shell is provided with a connecting structure. According to the wound nursing dressing pad suitable for being used after the laparotomy, by arranging a nursing structure and vent holes, the covering position of the soft shell is ventilated, a dressing layer makes contact with a wound, an antibacterial pad prevents bacteria from making contact with the wound, a water absorption pad and a waterproof pad prevent the wound from making contact with water, the breathability, antibacterial property and hygroscopicity of the device are improved, and the experience of a patient is improved; by arranging a connecting structure, when the nursing pad is replaced or the wound is checked, a U-shaped plate is shifted leftwards, so that a limiting block is separated from a limiting groove, the right end of the U-shaped plate is driven to ascend by the elastic force of a spring, and a top cover is opened through the right end of the U-shaped plate, so that the nursing pad is conveniently replaced or the wound is conveniently checked.

The utility model relates to the technical field of postoperative care, and discloses a novel abdominal belt used after gynaecology laparotomy, which comprises a fixing belt, two sides of the fixing belt are respectively provided with an elastic binding belt I and an elastic binding belt II, the fixing belt is provided with a plurality of groups of binding belt components, the fixing belt is provided with a plurality of air bags which are arranged at equal intervals on the same plane with the binding belt components, and the air bags are provided with air holes. An air nozzle is connected to one side of each air bag, an inflation assembly capable of adjusting pressure is arranged on one side of each air bag and connected with the corresponding air nozzle, each inflation assembly comprises an inflation pump, flow dividing pipes are connected to the inflation pumps, the number of branches of the flow dividing pipes is the same as that of the air bags, and the branches of the flow dividing pipes are communicated with the air nozzles respectively. And air valves are respectively arranged on the branches of the shunting pipe. The air bag fixing device has the advantages that the air inflation assembly can adjust and control the pressure intensity of the air bag and change the applied pressure, the air bag applies pressure more evenly, the using effect is improved, and meanwhile the fixing firmness is enhanced through the arrangement of the bandage assembly.

The invention discloses application of neensinine in prevention and treatment of endometriosis, the neensinine is used as a traditional Chinese medicine monomer, the neensinine is used for preventing and treating the endometriosis, and the neensinine can resist fibrosis of the endometriosis so as to play a role in prevention and treatment. A mouse endometriosis model is constructed through an allotransplantation method, after four weeks of successful modeling, a modeling mouse model group, a dienogest control group and a neferine group are respectively taken for four weeks, and then laparotomy is performed to take out ectopic lesions. HE staining and masson staining methods are used for mutual evidence of fibrosis degree, immunohistochemical detection of fibrosis index a-SMA expression conditions is carried out, and Western-blot detection of fibrosis-related protein expression levels: FN, CTGF, alpha-SMA and COL-I. Therefore, the neferine can be potentially developed into drugs for treating or preventing fibrosis of endometriosis in the future.

The invention discloses a self-adaptive fish scale cleaning and viscera removing all-in-one machine which comprises a machine frame, a Y-shaped fish frame, a fish scale cleaning and viscera removing all-in-one machine body and a fish scale cleaning and viscera removing all-in-one machine body. The self-adaptive scaling module is installed on the rack and is composed of a scaling assembly I and a scaling assembly II which are of the same structure in parallel, and the scaling ends of the scaling assembly I and the scaling assembly II are arranged in a staggered mode; the belly cutting module is installed on the machine frame, the belly cutting module is located at the outlet end of the Y-shaped fish frame, and the belly cutting module is connected with an output shaft of the motor I; the viscera cleaning module is mounted on the rack, the viscera cleaning module is located at the outlet end of the laparotomy module, and the laparotomy module is in transmission connection with the viscera cleaning module; conveying modules are arranged on the two sides of the belly cutting module and the viscera cleaning module. According to the self-adaptive fish scale cleaning and viscera removing all-in-one machine, the problems that in the prior art, working procedures are separated, scaling is uneven, fish bodies are prone to damage, and viscera removing is difficult are solved.

The invention discloses a radio frequency blood coagulation and ablation device, and relates to the field of medical instruments, the radio frequency blood coagulation and ablation device comprises a holding structure, an outer pipeline, a bipolar assembly, a working end adjusting assembly and a radio frequency generation device.The radio frequency blood coagulation and ablation device can achieve the precise blood coagulation and ablation functions of tissue at the same time, and can be used under laparotomy and a laparoscope at the same time; according to the blood coagulation device, the size of a blood coagulation point and the size of a blood coagulation surface can be adjusted, bending in a narrow and hidden space can be achieved so that the blood coagulation device can reach the position where a conventional blood coagulation device cannot reach to conduct blood coagulation, when the blood coagulation device is used under a laparoscope, an entrance for entering a human body can be smaller, trauma to the human body is smaller, and meanwhile the blood coagulation point can be adjusted in a larger range. The invention has the advantages of smaller trauma to human body, adjustable size of blood coagulation point and blood coagulation surface, larger blood coagulation surface, higher blood coagulation efficiency and the like. In addition, the use of auxiliary instruments in the surgical operation can be reduced, the safety risk caused by the use of various medical instruments is avoided, medical resources are reasonably utilized, and the operation cost is reduced.

The invention belongs to the field of ovum collection auxiliary equipment in the reproductive department, and provides an ovary fixing device for transabdominal ovum collection, which is mainly suitable for transabdominal ovum collection operation of infertility patients who have difficulty in transvaginal ovum collection such as complicated uterine diseases and need laparotomy, and comprises an arc-shaped first enclosure piece and an arc-shaped second enclosure piece, first magnetic strips are arranged at the left end and the right end of the first enclosure piece, and second magnetic strips capable of being attracted with the first magnetic strips are arranged at the left end and the right end of the second enclosure piece. The first enclosure piece and the second enclosure piece are attracted through the first magnetic strip and the second magnetic strip and define an ovary fixing area which is open in the upper portion and the lower portion and is in an inverted circular truncated cone shape. The ovary fixing device for transabdominal ovum collection is simple in structure and convenient to use, the ovary can be fixed in the formed ovary fixing area, ovum collection inconvenience caused by back-and-forth sliding of the ovary is avoided, the accuracy and success rate of the ovum collection process are improved, the time of the ovum collection process is shortened, the operation efficiency and the ovum collection rate are improved, and the ovum collection efficiency is improved. Meanwhile, the effect of protecting the ovary is achieved.

The hospital gown comprises a hospital gown body, the front end face of the hospital gown body comprises a first satin face and a second satin face which are detachable, first zipper teeth are arranged on the second satin face, an opening is formed in the middle of the second satin face, an air bag is arranged at the position of the opening, and second zipper teeth are connected to the air bag. The first zipper teeth are connected with the second zipper teeth, the rear end face of the air bag is detachably connected with a gauze layer through a hook-and-loop fastener, connecting belts are arranged on the two sides of the rear end face of the hospital gown body, a plurality of left bellybands and a plurality of right bellybands are arranged on the connecting belts, and the left bellybands and the right bellybands are connected through hook-and-loop fasteners. And the plurality of left bellybands and the plurality of right bellybands can control the tightness of different positions of the belly. The air bag is detachably arranged in the device, so that the air bag can be controlled to be uniformly stressed, further compression hemostasis on the abdominal laparotomy wound of the patient is facilitated, the air bag is also convenient to detach, and the purposes of disinfecting and observing the wound are facilitated.

The utility model relates to the technical field of basin hooks, and discloses a size-adjustable laparotomy basin hook for a hypogastrium operation, which comprises a hook handle, the hook handle hook is arranged at the rear end of the hook handle; the drag hook upper part is integrally formed at the front end of the hook handle; the drag hook lower part is integrally formed at the bottom end of the drag hook upper part; the positioning groove is formed in the center of the hook handle in a penetrating manner; the positioning installation hole is formed in the center of the rear portion of the hook handle, and the diameter of the positioning installation hole is larger than the width of the positioning groove; the two blocking piece structures are symmetrically fixed to the two sides of the lower portion of the drag hook lower portion, and the extending length of the portions, located on the two sides of the lower portion of the drag hook, of the blocking piece structures can be adjusted. The blocking piece structure comprises a blocking piece fixing piece, a first blocking piece and a blocking piece installation groove. The size of the laparotomy basin hook can be adjusted within a certain range, the laparotomy basin hook can better fit the sizes of the abdominal walls of different patients, and the number and occupied space of the laparotomy basin hook are reduced.

The invention belongs to the technical field of medical instruments, and particularly relates to a single-channel abdominal surgery incision protection device. In order to solve the problem that in the prior art, a puncture guide seat and an incision protection sleeve of an instrument applied to a single-port abdominal surgery are not stably connected, the single-channel abdominal surgery incision protection device comprises the incision protection sleeve and the puncture guide seat, and the incision protection sleeve and the puncture guide seat are connected through a connecting assembly. The connecting assembly comprises a locking piece and a locking ring made of rigid materials, the locking piece is rotationally connected to the outer side of the end of the incision protection sleeve, the locking ring is embedded in the end, close to the incision protection sleeve, of the puncture guide base, one end of the locking piece can be pressed on the locking ring by rotating the locking piece, and the other end of the locking piece can be pressed on the other end of the puncture guide base. And the inner wall of the puncture guide seat is pressed on the outer wall of the incision protection sleeve. And stable connection of the incision protection sleeve and the puncture guide seat is realized. The invention further provides a lifting device, and the mode of adjusting the length of the instrument channel in the incision protection sleeve is optimized.

The present invention provides a multifunctional cylindrical seaming and laparotomy integrated machine, comprising a No. 1 support and a No. 2 support, wherein the bottom of the No. 1 support is connected to the bottom of the No. 2 support through an unwinding groove, the middle of the No. 1 support is connected to the middle of the No. 2 support through a cylindrical seaming machine, the middle and upper part of the No. 1 support is connected to the middle and upper part of the No. 2 support through a crossbeam, a connecting frame is provided in the middle of the crossbeam, the No. 1 support is provided with a No. 1 traction roller and a No. 1 cloth-dropping roller; the No. 2 support is provided with a No. 2 traction roller and a No. 2 cloth-dropping roller; a No. 1 chute is provided below the No. 1 cloth-dropping roller, a No. 2 chute is provided below the No. 2 cloth-dropping roller, a No. 1 chute is provided below the No. 2 cloth-dropping roller, a No. 1 laparotomy mechanism and a No. 2 laparotomy mechanism are provided on both sides of the cylindrical seaming machine, a No. 1 cloth-turning mechanism and a No. 2 cloth-turning mechanism are provided on the front side of the cylindrical seaming machine, and a No. 1 conveying mechanism and a No. 2 conveying mechanism are provided on one side of the No. 1 cloth-turning mechanism. The present invention integrates transportation, seaming and laparotomy into one, can be operated in an integrated manner, saves space, and improves work efficiency.

The utility model provides a hyperthermic perfusion chemotherapy device. The hyperthermic perfusion chemotherapy device comprises a perfusion assembly, an opening assembly and a drainage assembly, wherein the opening assembly is used for generating an imbedding opening in a target body cavity; the drainage assembly is used for guiding the perfusion assembly to be communicated with the generated imbedding opening after being connected with the perfusion assembly; the filling assembly comprises a liquid storage tank, a driving pump, a heating piece, a main pipeline, a first pipe group, a second pipe group and a third pipe group; the outlet end and the inlet end of the main pipeline are communicated with the liquid storage tank; the first pipe set, the second pipe set, the third pipe set and the liquid storage tank are sequentially connected and communicated to the main pipeline, and the drainage assembly is detachably connected with the end, away from the main pipeline, of the second pipe set. The perfusion assembly is communicated with a target body cavity through the drainage assembly and the opening assembly, and large trauma and high risk of a traditional laparotomy are avoided; the driving pump and the heating piece on the main pipeline can ensure that the treatment liquid quickly reaches the required temperature and is continuously and stably injected into the target body cavity, the effective treatment temperature is kept, and the thermal curative effect rate is further improved.

The application discloses a radio frequency blood coagulation ablation device, and relates to the field of medical instruments, which comprises a holding structure, an outer pipeline, a bipolar assembly, a working end adjusting assembly and a radio frequency generating device. The application can simultaneously realize the precise blood coagulation and ablation functions of tissues, can be used under laparotomy and under laparoscope, can realize the adjustment of the size of a blood coagulation point and a blood coagulation surface, can be bent in a relatively narrow and concealed space to reach the positions that cannot be reached by conventional blood coagulation devices for blood coagulation, and can realize a smaller entrance into the human body and smaller trauma to the human body when used under the laparoscope. Meanwhile, the blood coagulation point can be adjusted in a larger range. The application has the advantages of smaller trauma to the human body, adjustable size of the blood coagulation point and the blood coagulation surface, larger blood coagulation surface, higher blood coagulation efficiency and the like. The application can also reduce the use of auxiliary instruments in surgical operations, avoid the safety risks caused by the use of multiple medical instruments, rationally utilize medical resources and reduce the operation cost.

A noninvasive single-side or double-side uterus injection device for an experiment comprises an intrauterine catheter part, an injector connecting part, a connecting part sealing cover, an intrauterine catheter folding fixator and an intrauterine catheter clamp. One end of the injector connecting part is connected with the intrauterine catheter part, the other end of the injector connecting part is used for being connected with an injector, and the connecting part sealing cover is detachably installed at the other end of the injector connecting part; the uterine cavity inner catheter part is composed of a first catheter and a second catheter, the first catheter and the second catheter are arranged side by side and used for dosing of different uterine cavities respectively, and the uterine cavity inner catheter clamp and the uterine cavity catheter folding fixator are connected to the outer side of the uterine cavity inner catheter part in a sliding and sleeving mode. And the uterine cavity catheter folding fixer is farther from the syringe connecting part than the uterine cavity inner catheter clip. According to the utility model, unilateral / bilateral uterus modeling can be carried out noninvasively and selectively through the vagina, secondary laparotomy is avoided, the stress, infection and death risks of model animals are reduced, and the utility model belongs to the technical field of medical equipment.

A system for pre-operative decision support includes a memory and a processor. The memory is configured to store a minimum threshold shear modulus or shear modulus range for abdominal tissue of a patient. The processor is configured to execute one or more programs to perform a plurality of operations. These operations include receiving at least one shear modulus measurement acquired by shear wave elastography (SWE) that is representative of a shear modulus of abdominal tissue of a patient within a predetermined distance of a planned abdominal incision, comparing the at least one shear modulus measurement with the minimum threshold shear modulus or shear modulus range, and outputting a recommendation regarding use of a surgical mesh following a laparotomy based upon the comparison.

The application discloses an integrated tilapia pretreatment device and relates to the field of aquatic product primary processing equipment.The device comprises a rack, a fin removing device, a scale removing device, a flow guiding conveying device, a cutting device, an internal organ removing device, a flushing device, a discharge port and a control system.The scale removing device comprises a first spindle type scale removing cylinder, a second dorsal-abdominal scale removing cylinder and a tension spring, and is used for adaptively removing the scales on the side, back and abdomen of the tilapia.The flow guiding conveying device is made of food-grade PU flat belts and elastic metal parts, and is used for stably conveying fish bodies of different specifications.The cutting device is provided with a fish cutting knife and a lead screw for adjusting the cutting depth.The internal organ removing device is provided with a shaped laparotomy plate, a rotating cleaning brush and a high-pressure flushing nozzle for removing internal organs, black membranes and residual impurities.The device solves the problems of low efficiency, high sanitary safety risk and insufficient adaptability of general equipment in manual pretreatment of the tilapia, and improves the continuous processing capacity of the tilapia in scale removing, laparotomy and internal organ removing.

The invention relates to a method for constructing a rat model for hepatic artery angiography and perfusion chemotherapy embolization through femoral artery, and relates to a novel hepatic artery angiography and perfusion chemotherapy embolization method which is established through research, in particular to a hepatic artery intubation angiography and chemotherapy embolization method for performing super selection through a rat femoral artery approach. The method is different from the traditional intubation angiography and chemoembolization which are retrograde from laparotomy to hepatic artery through stomach duodenal artery. According to the method, exposed wounds are obviously reduced, the infection incidence rate of the rats is reduced, the bleeding amount of the rats is reduced, and the success rate of an operation is increased. The injection of chemotherapy drugs and embolism particles on the liver tumor of the rat is carried out through the femoral artery path of the rat, so that the scientific research on the liver tumor of the rat through different treatment means is conveniently carried out and verified, the success rate of an operation is increased, related complications of the rat are reduced, and the requirements of large-scale related experimental research can be met.

The utility model provides a laparotomy experiment workbench, and belongs to the technical field of medical treatment. The laparotomy experiment workbench comprises an experiment platform, a fixing ring is inserted into the top of the experiment platform, and a sliding groove and a T-shaped groove are symmetrically formed in the top of the experiment platform; fixing assemblies are arranged on the sliding grooves and used for fixing the four limbs of the laboratory mouse; a limiting assembly is arranged in the T-shaped groove, and the limiting assembly is used for fixing the stored fixing assembly. According to the experimental mouse fixing device, by arranging the fixing assemblies, the four limbs of an experimental mouse can be fixed, adjustment can be made according to the body sizes of different experimental mice, the fixing mode is more comfortable and efficient, the time needed by an experiment is shortened, and the problems that a traditional fixing structure is tedious in fixing mode and inconvenient to use can be solved through the arrangement. The four limbs of the laboratory mouse are injured; and the laboratory table is inconvenient to clean subsequently.

The invention discloses a crucian carp slaughtering treatment device which comprises a fixed frame, and a scaling module, a viscera removing module and a gill removing module which are positioned on the fixed frame and are sequentially arranged along the linear direction, the scaling module comprises a limiting frame assembly located on the fixing frame, two first fixing roller assemblies which are oppositely arranged, adjustable in distance and used for fixing crucian carps and pushing the crucian carps forwards, a left-right roller assembly used for removing fish scales on the two sides of crucian carp bodies and an upper-lower roller assembly used for removing fish scales on the upper side and the lower side of the crucian carp bodies. The viscera removing module comprises a cutter table frame assembly located on the fixed frame, a second fixed roller assembly and an abdomen cutting and viscera taking assembly used for cutting the abdomen and taking viscera. The gill removing module comprises an upper fixing roller assembly and a lower fixing roller assembly which are used for pressing crucian from the upper portion, a fish head limiting assembly used for limiting the position of a crucian head, and a gill opening and taking assembly used for opening gill and taking gill. The crucian slaughtering speed and processing thoroughness are improved, the labor cost is reduced, and the automation degree is high.

The invention provides a uterine artery hemostasis device. The uterine artery hemostasis device structurally comprises a straight arm and a crank arm, a lower clamping piece is arranged at the top end of the straight arm, an upper clamping piece is arranged at the top end of the crank arm, and the crank arm obliquely extends upwards relative to the straight arm and is bent and hooked back above the top end of the straight arm, so that the upper clamping piece at the top end of the crank arm is vertically opposite to the lower clamping piece at the top end of the straight arm. During action, the lower clamping piece is located in the vagina and acts upwards on the vagina dome, the upper clamping piece is located in the uterine cavity and acts downwards on the uterine cavity wall, and the upper clamping piece and the lower clamping piece exert force relatively to clamp the uterine artery descending branch for emergency hemostasis. When the uterus contracts, rescue measures are complete and further bleeding is possibly reduced, the uterine artery hemostasis device can be taken out, and if bleeding still exists, other methods can be further adopted for hemostasis or clamping is carried out again. The uterine artery hemostasis device can block the uterine artery under the condition that intervention or laparotomy is not needed, and has great significance on postpartum hemorrhage of vaginal delivery.

The invention provides a sterile piglet production device and aims at solving the problem that cross infection is prone to occurring in the existing cesarean section process. The device adopts a modular design, and comprises a soft membrane laparotomy isolator, a uterus rupture isolator, a transfer isolator and a rearing isolator. A laparotomy laminar flow cover is arranged in the soft film laparotomy chamber, and a sterile positive pressure environment is provided for the laparotomy operation of the sow. And laparotomy is carried out on the sow in the soft membrane laparotomy chamber, the uterus body is taken out, the taken-out uterus body is disinfected when passing through the transfer groove of the membrane rupture isolator, the disinfected uterus body is sent into the membrane rupture isolator for membrane rupture, and the piglet in the uterus body is taken out. And then, the piglets are transferred into the transfer isolator through the sealed transfer window and finally enter the breeding isolator for breeding. The core lies in that the internal clean positive pressure is maintained through the independent air purification system of each module, and the whole-process sterile operation from laparotomy, membrane rupture, transfer to rearing is realized in combination with the design of a sealing interface, disinfectant soaking, excrement separation and the like, so that the survival rate and the health level of piglets are remarkably improved.