Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

20 results about "Laparotomy" patented technology

A laparotomy is a surgical procedure involving a large incision through the abdominal wall to gain access into the abdominal cavity. It is also known as a celiotomy.

Operating table for dissecting rats and mice

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.
Owner:HUBEI PROVINCIAL CENT FOR DISEASE CONTROL & PREVENTION (HUBEI ACAD OF PREVENTIVE MEDICINE)

Negative pressure aspirator with smoke suction function for laparotomy

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.
Owner:AFFILIATED HOSPITAL OF JINING MEDICAL UNIV

Closed tumor-free drainage device for abdominal tumor

PendingCN121338136ACatheterSuction devicesTumour volumeAbdominal cavity
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.
Owner:SICHUAN CANCER HOSPITAL

Novel abdominal belt used after gynecological laparotomy

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.
Owner:LIAONING PROVINCIAL PEOPLES HOSPITAL

Application of neferine in prevention and treatment of endometriosis

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.
Owner:SHANGHAI HOSPITAL OF TRADITIONAL CHINESE MEDICINE

Self-adaptive fish scale cleaning and viscera removing all-in-one machine

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.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Ovary fixing device for ovum collection through abdomen

PendingCN121196696AObstetrical instrumentsInstruments for stereotaxic surgeryTransvaginal oocyte retrievalUterine disease
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.
Owner:THE AFFILIATED HOSPITAL OF SHANDONG UNIV OF TCM

Single-channel abdominal surgery incision protection device

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.
Owner:HANGZHOU KANGJI MEDICAL INSTR +1

Radiofrequency coagulation ablation device

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.
Owner:MIANYANG LIDE ELECTRONICS CO LTD

Noninvasive single-side or double-side uterus injection device for experiment

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.
Owner:GUANGDONG GENERAL HOSPITAL

Support tool for planning use of surgical mesh following laparotomy or ventral hernia repair

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.
Owner:COVIDIEN LP

Integrated tilapia pretreatment device

PendingCN122623705AFood gradeControl system
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.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY

Working table for laparotomy experiment

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.
Owner:TIANJIN FIRST CENT HOSPITAL

Crucian slaughtering treatment device

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.
Owner:JIANGSU UNIV OF SCI & TECH

Uterine artery hemostasis device

PendingCN121445439AWound clampsVaginal vaultMechanical engineering
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.
Owner:HEBEI PROVINCIAL PEOPLES HOSPITAL

Sterile piglet production device

PendingCN121242766AOperating tablesStretcherCesarean BirthAnimal science
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.
Owner:HARBIN VETERINARY RESEARCH INSTITUTE CHINESE ACADEMY OF AGRICULTURAL SCIENCES (CHINA ANIMAL HEALTH & EPIDEMIOLOGY CENTER HARBIN BRANCH CENTER) +1

Abdomen cutting device for poultry slaughtering

The utility model relates to the technical field of poultry slaughtering, and discloses a laparotomy device for poultry slaughtering, which comprises a shell, a knife assembly is arranged in the shell, the knife assembly comprises a cutting knife, an inner blade is arranged on the left of the cutting knife, an inner protective shell is arranged on the surface of the inner blade, and a mounting assembly comprises a mounting shaft. According to the poultry belly cutting device, the knife assembly is arranged, under the cooperation effect of the cutting knife and the inner blade, the inner blade and the inner protective shell can pick up the belly of poultry from the inside, and therefore when the back face conducts belly cutting on the poultry, internal organs of the poultry are damaged, and the poultry belly cutting device is convenient to use. The poultry laparotomy device is simple in structure and convenient to use, the poultry can be easily laparotomized under the action of a cutting knife and an inner blade, and the cutting knife can be conveniently mounted in the shell and conveniently detached and cleaned by arranging a mounting assembly and under the action of a mounting shaft.
Owner:LINSHU HONGYU FOOD CO LTD

Adjustable animal vaginal dilator with airbag and method

PendingCN122350601AAnimal scienceVaginal distension
The application relates to the technical field of vaginal dilating devices, in particular to an adjustable animal vaginal dilating device with an air bag and a method. The technical scheme is as follows: a support bag body is arranged on the outer wall of the insertion end of an introduction pipe and a fixing sleeve, the side wall of the end of the introduction pipe is further connected with a dilating bag body, the inside of the introduction pipe is provided with air pipes a and b, the air pipes a and b are respectively communicated with the support bag body and the dilating bag body and are used for inflation, the end of the introduction pipe is provided with a bulb, and the introduction pipe is further provided with an insertion protection piece. The support bag body and the dilating bag body are arranged on the end of the introduction pipe, air bag flexible dilating is adopted, and local high-pressure damage caused by hard dilating is avoided. The application is simple and safe in operation, is easy to insert in a deflated state, is easy to take out after independent inflation control and operation, has a simple overall structure and low cost, is convenient for veterinary clinical and experimental popularization and application, reduces the demand for laparotomy operation, and reduces the stress and infection risks of animals.
Owner:PEKING UNIVERSITY THIRD HOSPITAL (THE THIRD CLINICAL MEDICAL SCHOOL OF PEKING UNIVERSITY)

Construction method of porcine endometrial injury model

The invention belongs to the technical field of animal experiment model construction, and relates to a construction method of a porcine endometrial injury model. The construction method is non-traumatic, can simulate the pathological state of clinical intrauterine adhesion on the premise of not damaging the full-thickness structure of the uterus of a pig, and comprises the following specific steps: intramuscularly injecting 1.5 mg / kg of Shutai to calm an experimental pig, then carrying out anesthesia induction and analgesia, intramuscularly injecting phloroglucinol and probing the cervix uteri after the anesthesia induction succeeds and vital signs are stable, and carrying out intramuscular injection on the experimental pig. The cervix uteri is ensured to be relaxed; a sixth curette enters the uterus body from the cervix gently and slowly, and the endometrium is mechanically scraped until the surface is coarse; and then injecting 95% ethanol and staying for a specific time, and finally removing the residual ethanol. According to the method, laparotomy is not needed, the operation path is simple, the full-layer structure of the uterine muscular layer and the serosal layer can be completely reserved, the modeling effect is highly similar to the clinical intrauterine adhesion condition, the success rate is as high as 95%, the repeatability is good, the modeling effect is stable, and a standardized large animal model capable of being popularized is provided for intrauterine adhesion mechanism research and clinical intervention evaluation.
Owner:QINGDAO UNIV