290 results about "Abdominal cavity" patented technology

The present invention relates to a composition of aliphatic emulsion preparation for malignant thoracicoabdominal hydrops and its preparation method. It is made up by adopting pure natural anticancer medicine elemene and at least one polysaccharide selected from ginseng polysaccharide, astragalus polysaccharide, acanthopanax polysaccharide and lyceum polysaccharide as raw material. Said invention can obviously raise solubility of medicine, increase stability of medicine, effectively remove and kill cancer cells and raise immunity of body.

The utility model relates to the field of drainage tubes, in particular to an adjustable depth air bag type pleuroperitoneal cavity drainage tube which comprises a drainage main tube used for guiding seroperitoneum to flow out, and the drainage main tube comprises an internal portion used for being arranged inside an abdominal cavity and an external portion used for being arranged outside the abdominal cavity. Annular leather sheaths are installed on the outer side wall of the built-in part at equal intervals, corrugated telescopic parts are arranged at the positions, right opposite to the annular leather sheaths, of the external part, an air bag space is formed between the built-in part and the annular leather sheaths, and a plurality of branch air pipes for inflating and deflating the air bag space are arranged on the inner side of the drainage main pipe. According to the adjustable depth air bag type pleuroperitoneal cavity drainage tube, the depth and the position of the built-in part can be adjusted at any time according to the illness state of a patient, repeated puncture and cross infection are avoided, adjustment data are clear, pain stimulation caused by tube rearrangement of the patient is reduced, and the economic burden is relieved. And secondly, the operation method is simple and easy to learn, and fine adjustment can be carried out on medical staff, family members, hospitals and homes.

The present invention relates to an apparatus (10) configured and adapted to remove the flank bones (11) of a headless, slaughtered, preferably opened abdominal cavity fish (12), wherein the fish is conveyed in a conveying direction T with its tail forward and its spine (13) placed on a conveying saddle (14), the apparatus comprising at least: an upper bone guide (15) configured and adapted to guide the spine (13) from the dorsal side of the fish (12) to be processed; and a lower bone guide (16) configured and adapted to guide the ventral radii (44) of the fish (12) to be processed, the ventral radii being formed in the region from the tail to the abdominal cavity. The invention relates to a separation unit (17) for detaching fillets from the flank bones (11) surrounding the abdominal cavity of the fish (12) to be processed, wherein the separation unit (17) includes a separation mechanism (18) having a corresponding opposing unit (19) and capable of moving from a standby position to a working position and vice versa. The device (10) is characterized in that a detachment device (20) is located within the area of ​​the upper bone guide (15) and is configured and adapted to at least loosen the bone connections (21) between the individual flank bones (11) and the vertebrae (13) of at least some of the flank bones (11). The invention also relates to a corresponding slicer (40) having such a device (10) and a corresponding method.

The utility model relates to the technical fields of drainage tube especially, it is a kind of medical drainage tube device including drainage tube, flushing channel, locking assembly, external pipe, flushing assembly, effusion bag and negative pressure drainage connector, the middle part of drainage tube is provided with telescopic corrugated drainage tube, flushing channel is set up on the inner wall of drainage tube, the middle part of flushing channel is provided with corrugated flushing channel, locking assembly is set up in the outside of telescopic corrugated drainage tube, external pipe is set up in the side of drainage tube, external pipe is communicated with flushing channel, flushing assembly is connected with external pipe, effusion bag is connected with one end of drainage tube, negative pressure drainage connector is set up in the front end of drainage tube, wherein, by the cooperation of each component, the purposes of abdominal cavity and other parts drainage function can be realized, change drainage tube length and the function of cleaning drainage tube are realized simultaneously.

The invention relates to an adjustable claw-type retractor for an abdominal surgery and an operation method. The adjustable claw-type retractor comprises a handle, a mounting disc, at least five retractor parts and an adjusting assembly, a cavity with an opening in the upper end is formed in the handle in the Z-axis direction. According to the adjustable claw-type drag hook for the abdominal surgery and the operation method, the connecting plate is moved up and down to drive the fastener and the buckle in the connecting plate to move, and when the fastener moves downwards, the two adjacent drag hook pieces can be expanded, so that the distance between the two adjacent drag hook pieces is increased; when the buckle moves upwards, the two adjacent draw hook pieces are close to each other under the action of elastic force, and the distance between the two adjacent draw hook pieces is reduced, so that the coverage range of the draw hook pieces can be effectively adjusted according to the taking-down of an incision, and the problems that more medical personnel are required to participate when a plurality of S-shaped draw hooks are used, and the operation is inconvenient are effectively solved. Certain inconvenience is brought to an operation, and normal operation of a surgeon is affected.

The utility model relates to a magnetic anchoring auxiliary stop lever used under a laparoscope, which belongs to the field of medical instruments and comprises an outer magnet positioned outside an abdominal cavity and an inner magnet positioned in the abdominal cavity, the inner magnet can be attracted with the outer magnet, and a telescopic stop lever used for stopping organ tissues is fixedly arranged on one side of the inner magnet far away from the outer magnet. The telescopic end of the telescopic stop lever is provided with a fixing part used for being connected with tissues in the abdominal cavity. The device has the advantages that one end of the telescopic stop lever is fixed on the abdominal cavity tissue, the other end of the telescopic stop lever is controlled to move in vitro through the outer magnet, the organ tissue is blocked and pushed to adjust the position through the telescopic stop lever, the operation view is exposed, and operation is easy; meanwhile, the telescopic stop lever is passively telescopic to adapt to abdominal cavity spaces with different distances, so that the flexibility is higher.

The invention relates to the field of medical instruments, in particular to a puncture device for gastrointestinal surgery abdominal cavity operation, which comprises a shell, a sleeve is arranged in the shell, and a puncture needle is in sliding fit with the inner wall of the sleeve. A limiting mechanism used for limiting the puncture depth, a sealing mechanism used for sealing the puncture gap and a linkage mechanism used for driving the limiting mechanism to move are arranged in the shell. Wherein the limiting mechanism is used for limiting the puncture stroke according to the preset puncture depth; the sealing mechanism is arranged around the sleeve and used for maintaining sealing of the inner cavity of the shell in the puncturing process; the linkage mechanism is in transmission connection with the limiting mechanism, responds to the operation instruction and drives the limiting mechanism to switch the limiting state. When the puncture stroke is pushed to the preset depth, the linkage mechanism triggers the limiting mechanism to act, and the puncture depth position is locked; meanwhile, the inner cavity of the shell is kept sealed through the sealing mechanism. The limiting and sealing functions are integrated through mechanical linkage, the operation process is simplified, and the reliability is improved.

The utility model discloses an instrument for preventing gas, digestive juice and tumor from entering the abdominal cavity during endoscopic full-thickness surgery, which comprises a pipe sleeve, a ring enclosed by inner-layer metal wires and a ring enclosed by outer-layer metal wires are arranged at the front end of the pipe sleeve, the diameter of the ring enclosed by the inner-layer metal wires is smaller than that of the ring enclosed by the outer-layer metal wires, and the diameter of the ring enclosed by the inner-layer metal wires is smaller than that of the ring enclosed by the outer-layer metal wires. A ring defined by the inner-layer metal wires and a ring defined by the outer-layer metal wires are connected through a transparent film layer, the rear end of the pipe sleeve is connected with a handle, and the ring defined by the outer-layer metal wires is covered with an outer-layer film. The utility model not only can be embedded into the perforated part, but also can prevent gas, liquid and tumor in the tube cavity from entering the abdominal cavity.

The invention relates to a knife arrangement (100) for at least partially trimming a region (12) in an abdominal cavity (13) of a fish (11), comprising: a transport device (21) for transporting the fish (11) in a transport plane (23) in a transport direction (24) with the tail (34) facing forward; at least one trimming element (41) arranged along the transport direction (24) and configured for at least partial immersion into the abdominal cavity (13), the at least one trimming element (41) being configured and adapted for at least partial trimming / cut release within the abdominal cavity (13), in particular a region (12) having a hypochondriac bone (18) and / or a fillet portion (19) protruding into the abdominal cavity (13), characterized in that the at least one trimming element (41) is arranged along the transport direction (24) and configured for at least partial immersion into the abdominal cavity (13), the at least one trimming element (41) being configured and adapted for at least partial trimming / cut release of the region (12), in particular a region (12) having a hypochondriac bone (18) and / or a fillet portion (19) protruding into the abdominal cavity (13). The knife arrangement (100) comprises a dressing element adjustment device (42) connected to the at least one dressing element (41), wherein the dressing element adjustment device (42) is configured and adapted to at least partially pivot the at least one dressing element (41) clockwise or counterclockwise (32, 33) about at least one pivot axis (43, 44). The invention further relates to a corresponding device (40) and to a corresponding method.

The invention discloses an abdominal cavity puncture stitching instrument, and belongs to the technical field of abdominal cavity puncture stitching equipment, the abdominal cavity puncture stitching instrument comprises a puncture needle head, a needle cylinder, a liquid taking tube, a stitching angle adjusting device, a stitching needle telescopic structure and a liquid extraction structure locking device, the puncture needle head is inserted into an abdominal cavity, the needle cylinder is connected with the puncture needle head in a clamping manner, and the liquid taking tube is fixedly mounted in the needle cylinder; the liquid extraction structure locking device is connected with the puncture needle head in a clamped mode, the liquid extraction structure locking device slides in the needle cylinder in a clamped mode, the suture angle adjusting device is clamped and hidden on the side wall of the needle cylinder, and the suture needle telescopic structure is installed in the suture angle adjusting device in a clamped mode. In order to solve the problems that the operation is still complicated and the suturing angle is relatively fixed when a current puncture mode and a current seroperitoneum drawing mode are switched, the invention provides the abdominal cavity puncture suturing instrument, the problems that the suturing angle cannot be adjusted and the puncture mode and the seroperitoneum drawing mode are inconvenient to switch are effectively solved, and the operation flexibility and the integration level of the whole equipment are improved.

The invention discloses a laparoscopic cholecystectomy superfine auxiliary instrument and relates to the technical field of medical instruments, the laparoscopic cholecystectomy superfine auxiliary instrument comprises a handle, a superfine puncture part and a head, the superfine puncture part comprises an outer sleeve and a puncture needle, the two ends of the outer sleeve are connected with the handle and the head respectively, the puncture needle is arranged in the outer sleeve, and the front end of the puncture needle is provided with a puncture tip; the handle controls the puncture needle to slide back and forth so as to control the opening and closing of the head part. According to the scheme, ultramicro-invasive puncture is achieved through the detachable head and the superfine puncture part, firstly, the superfine puncture part can conduct ultramicro-invasive opening on the abdomen of a patient through the puncture tip at the front end of the puncture needle, so that the superfine puncture part enters the abdominal cavity of the patient, and then the superfine puncture part penetrates out of the body of the patient under the guide of a converter of an umbilical laparoscope opening; the head assembly is accurately completed under in-vitro direct vision, then the head assembly is returned to the abdomen of a patient to complete an operation, and under the condition that the opening and closing distance and the clamping force of the head are proper, ultramicro-wound trepanning is completed, postoperative scars are eliminated, and the pain of the patient is relieved.

The utility model discloses a drainage tube fixing patch, and belongs to the technical field of drainage tube fixing patches. The drainage tube fixing patch comprises an upper patch body and further comprises a fixing block, the fixing block is connected with the lower end of the upper patch body, a sleeve is arranged in the fixing block, a drainage tube is arranged in the sleeve, and a first lower patch body and a second lower patch body are arranged on one side of the upper patch body. In order to solve the problem that after a drainage tube is fixed, drainage necrotic tissues of a human body are easily blocked at a bending point, so that the drainage tube is unsmooth, one end of the drainage tube firstly penetrates through a sleeve, then penetrates through gauze and finally enters the abdominal cavity of the human body, an upper patch is firstly pasted on the body surface by a person, and then a first lower patch and a second lower patch are respectively pasted on the body surface; then, the person adheres the first adhesive tape and the second adhesive tape to the side face of the drainage tube in a winding mode, so that the position of the drainage tube is fixed, the drainage tube enters the abdominal cavity from the outside without bending, and the situation that the drainage tube is unsmooth is avoided.

The utility model discloses an abdominal cavity drainage tube device which comprises a drainage tube, an outer sleeve, an outer air bag, an inner air bag, an air bag inflation and deflation connector and a limiting ring. The drainage tube is sleeved with the outer sleeve, and an air bag channel extending in the length direction of the outer sleeve is arranged in the tube wall of the outer sleeve; the outer air bag surrounds the outer part of the near end of the outer cannula and is communicated with the air bag channel; the inner air bag surrounds between the interior of the near end of the outer cannula and the drainage tube and is communicated with the air bag channel; the air bag inflation and deflation connector is connected to the outer portion of the far end of the outer sleeve and communicated with the air bag channel. The limiting ring is arranged outside the outer sleeve and located on the far end side of the outer air bag, and an interval used for limiting the abdominal cavity wall is formed between the limiting ring and the outer air bag.

The utility model relates to the technical field of fan-shaped drag hooks for the abdominal cavity of children, in particular to a fan-shaped drag hook for the abdominal cavity of children, which is convenient to use and comprises a large dental film, a main drag hook arranged at the bottom end of the large dental film, a plurality of sliding adjusting grooves arranged in the middle of the large dental film and a fixing bolt arranged in the middle of the large dental film. A plurality of detachable drag hooks are arranged in the middle of the fixing bolt, a fixing hole is formed in the middle of each detachable drag hook, the fixing holes are matched with the fixing bolt, a positioning groove is formed in the rear portion of each detachable drag hook, an adjusting handle is arranged on the rear portion of each detachable drag hook, and each adjusting handle is matched with the corresponding positioning groove.

The utility model discloses a peritoneal drainage liquid sample reserving assembly which comprises a connecting seat, a drainage tube and a drainage bag, and a drainage channel used for communicating the drainage tube and the drainage bag is formed in the connecting seat; the sample reserving seats are detachably mounted on the connecting seat, sample reserving channels are formed in the sample reserving seats, liquid storage bottles are detachably mounted on the sample reserving seats, the liquid storage bottles are communicated with the drainage channel through the sample reserving channels, and valves are arranged at the communication positions between the sample reserving channels and the drainage channel. According to the utility model, the stable circulation of liquid between the drainage tube and the drainage bag can be ensured, meanwhile, the sample reserving in a specific time period can be realized, the influence of the sample reserving operation on the peritoneal drainage is reduced, and the accuracy of the liquid sample reserving is ensured.

An animal model having an abdominal cavity that is sealed via a simulated incision. The simulated incision may be secured in a closed position using a zipper, buttons, magnets, or hook and loop fasteners. Internal organs are removably received in the abdominal cavity. These organs are retained in anatomically correct positions via accurate placement in the abdominal cavity. The secured simulated incision enables the user to open the animal model in the necessary sequences and positions associated with properly gralloching or gutting the animal. The individual organs can be removed from the cavity in the proper sequence and position to assist with the education of the user. The organs can be reinserted and the simulated incision secured so that the process can be repeated as necessary to promote hunting and fishing education and conservation practices.

The invention discloses a disposable anti-infection peritoneal drainage device which comprises a first tube section and a second tube section and further comprises an adapter tube, one end of the first tube section is inserted into one end of the adapter tube, and the second tube section is inserted into the other end of the adapter tube; the two first plugging plates can slide oppositely and abut against each other so as to plug one end of the adapter pipe, or the two first plugging plates can slide oppositely and get away from each other so as to open one end of the adapter pipe, and the first pressing rod presses the inner wall of the first pipe section; the two second plugging plates can slide oppositely and abut against each other to plug the other end of the adapter pipe, or the two second plugging plates can slide oppositely and get away from each other to open the other end of the adapter pipe, and the second pressing rod tightly presses the inner wall of the second pipe section; the driving assembly drives the two first plugging plates and the two second plugging plates to slide at the same time. The problem that when the second pipe section is separated, liquid may flow out of the port of the first pipe section can be solved.

The present application relates to a TAVR teaching model based on blood flow simulation and multi-modal image fusion and use method. The model comprises a simulated thoracic and abdominal cavity with a built-in heart wave beat simulation part that drives fluid to generate pulsatile blood flow, a simulated thoracic and abdominal body with pre-set vascular access, a bionic heart assembly with structures such as a ventricular cavity, a pathological valve module that can be detachably fitted to the aortic valve ring and contains a pressure sensor array and simulated calcification, a coronary circulation monitoring module that monitors the perfusion state of the coronary artery opening, a virtual fluoroscopy positioning module that generates real-time fluoroscopy images, and a central control console that electrically cooperates with each module. The scheme simulates the tactile sensation of calcification through the pathological valve module, the heart wave beat simulation part reproduces the physiological pressure difference with a closed loop blood flow, realizes image navigation training with non-radiation virtual fluoroscopy, integrates real-time simulation of complications with coronary monitoring and annulus pressure sensing, and solves the problems of existing models such as distorted hand feeling, inaccurate dynamics, dependence on radiation, and lack of complication training.

The invention discloses a sealing negative pressure protection device for abdominal cavity hyperthermic perfusion chemotherapy in laparotomy, and belongs to the technical field of medical instruments, the sealing negative pressure protection device comprises a protection cover body, the protection cover body is of a three-layer structure and sequentially comprises a porous breathable layer, a middle adsorption layer and a sealing supporting layer from inside to outside, and a circle of medical pressure-sensitive adhesive is arranged on the edge of the inner layer of the protection cover body; a negative pressure connector is arranged at the top of the protective cover body and used for being connected with external negative pressure equipment, two hanging rods are perpendicularly fixed to the inner layer of the protective cover body, telescopic supporting structures are fixed to the bottom ends of the two hanging rods, and a plurality of liquid inlet holes and liquid outlet holes are further formed in the protective cover body. The supporting assembly is integrated on the inner side of the protective cover body, and the problems that the compatibility of the surgical retractor and a sealing rubber strip on the edge of the protective cover body is poor, and gaps are likely to be generated are solved; by arranging the negative pressure connector and the middle adsorption layer, dual treatment of aerosol is achieved, and the occupational exposure risk of medical staff is reduced.

1. Name of the product in this design: Sealing protector (abdominal puncture cannula). 2. Purpose of this design: This design is used to provide protection for the sealing ring inside the abdominal puncture cannula, preventing the sealing ring from flipping up. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The rear view, left view, and right view are the same as the front view; therefore, the rear view, left view, and right view are omitted.

The invention relates to a device for performing laparoscopy, comprising a first lifting unit 30 for lifting the abdominal wall of a patient P, which is suitable for insertion into the abdominal cavity of a patient, wherein the first lifting unit 30 comprises an insertion channel from the proximal end 32 of the first lifting unit 30 to the distal end 33 of the first lifting unit 30, and a second lifting unit 40 for lifting the abdominal wall of a patient P. The second lifting unit 40 comprises an inflatable support section 44, which is suitable for fixing at least one fixation section 35 of the first lifting unit 30 to the inner surface of a patient's abdominal wall.

The embodiment of the utility model provides a multi-mode operation electrode used under the abdominal cavity, and relates to the field of medical equipment, the multi-mode operation electrode comprises an operation handle, a sheathing canal, an inhaul cable, a bipolar electrocoagulation clamp assembly and a monopolar electrocoagulation hook; the sheathing canal is connected with the operating handle, and the operating handle is connected with the bipolar coagulation forceps assembly through the inhaul cable and used for controlling the bipolar coagulation forceps to be opened or closed; at least one of the bipolar electrocoagulation clamp assembly and the monopole electrocoagulation hook is in sliding fit with the sheathing canal, so that the monopole electrocoagulation hook or the bipolar electrocoagulation clamp assembly can extend out of the far end of the sheathing canal and work independently. Through the design of the operation electrode, the difficulty of switching different instruments in the operation process can be reduced, the time is shortened, the operation efficiency is improved, the infection risk is reduced, and the operation success rate is improved.

The invention discloses an abdominal cavity circulation hyperthermia perfusion device for tumor treatment, and relates to the technical field of tumor treatment, the abdominal cavity circulation hyperthermia perfusion device comprises a bottom plate, the upper end of the bottom plate is provided with two supporting plates, a supporting shaft is rotatably connected between the supporting plates, the surface of the supporting shaft is rotatably connected with two connecting sleeves, and the two connecting sleeves are jointly provided with a lying plate; an adjusting assembly is installed at the lower end of the lying plate, leg fixing assemblies are installed on the front portion and the rear portion of the upper end of the lying plate, an upper limb fixing belt is adjustably installed at the upper end of the bottom plate on one sides of the leg fixing assemblies, and circulating hot perfusion equipment is placed on one side of the bottom plate and provided with a pipe inserting opening. A patient lies on a lying plate, a driving motor in the adjusting assembly is controlled to drive a meshing gear to rotate, the meshing gear drives the lying plate to swing around a supporting shaft through a semi-annular rack, the angle of the lying plate is adjusted, the patient can be in a flat lying and side turning state, and medical workers do not need to conduct auxiliary adjustment.

The invention discloses a uterine horn anti-reflux device, namely a uterine horn plug. The uterine horn plug is made of a flexible material with certain transparency, is an umbrella-shaped structural body, and consists of a cambered conical plug head, a circular plug film extending outwards from the bottom surface of the conical plug head, a plug handle connected with the bottom surface of the plug head, and a tail wire connected with the conical tip of the plug head. When the uterine cavity is filled with uterine swelling liquid, the uterine horn plug is placed at the uterine horn of the uterine cavity, the tail wire faces the fallopian tube, when the uterine swelling liquid flows back to the fallopian tube, the tail wire enters the fallopian tube along with the uterine swelling liquid, the plug head is guided to the communicating position of the uterine horn and the fallopian tube, and the plug head is plugged in the opening direction of the fallopian tube of the uterine horn. Meanwhile, the plug membrane covers the periphery of the fallopian tube opening of the uterine horn to block the fallopian tube opening of the uterine horn and prevent the uterine distention liquid from continuously and reversely flowing into the fallopian tube, so that the uterine distention liquid is prevented from entering the abdominal cavity through the fallopian tube, and the uterine distention effect is enhanced. The device is matched auxiliary equipment used in the hysteroscope.

The utility model discloses a respiratory muscle training vest which comprises a vest body, an air inflation piece and four air bag pieces, the four air bag pieces are arranged on the front side of the vest body in a matrix mode and are all connected and communicated with the air inflation piece through pipelines, the two air bag pieces located on the upper portion correspond to the positions of chest cavities on the two sides respectively, and the air bag pieces are arranged on the lower portion of the vest body. The two air bag pieces located on the lower portion correspond to the positions of the abdominal cavities on the two sides respectively, the inflation pieces are used for inflating the air bag pieces, and the four air bag pieces apply compression force to the chest cavity and the abdominal cavities respectively, so that after the vest body is worn, the four air bag pieces can be inflated synchronously through the inflation pieces, and the chest cavity and the abdominal cavities can be inflated synchronously. At the moment, the air bag piece expands to apply pressure to the chest and the abdominal cavity, so that the breathing difficulty of the wearer is improved, and respiratory muscles are exercised.

The invention discloses a self-fixing washing and drainage integrated peritoneal drainage tube, and relates to the technical field of medical instruments, the self-fixing washing and drainage integrated peritoneal drainage tube comprises a peritoneal implantation section, a peritoneal transition section and an in-vitro operation section, and the peritoneal implantation section, the peritoneal transition section and the in-vitro operation section are communicated in sequence; an arc-shaped plug is arranged at the end of the abdominal cavity imbedding section, a flushing opening is formed in the arc-shaped plug, and a drainage opening is formed in the side wall of the abdominal cavity imbedding section. A fixing unit is arranged on the outer side wall of the abdominal cavity transition section, and the fixing unit abuts against the abdominal cavity of a patient during working; and the end part of the in-vitro operation section is connected with a liquid feeding and discharging unit. According to the self-fixing type washing and drainage integrated peritoneal drainage tube, tube rearrangement is not needed, a washing / drainage mode can be started at any time, the whole-course drainage requirement of fistula after an abdominal operation is met, and the self-fixing type washing and drainage integrated peritoneal drainage tube conforms to the characteristics of abdominal anatomy and surgical clinical operation habits.

Apparatuses and methods for preventing the onset and / or progression of bowel edema during abdominal surgery and / or post-operative ileus are provided. The disclosed apparatuses comprise a structure for retracting the bowel during abdominal surgery and a means of applying negative pressure therapy to the bowel during abdominal surgery. Retracting the bowel provides unobstructed access to other regions of the abdominal cavity for the surgeon and the use of negative pressure therapy prevents the onset or progression of edema and / or ileus. Methods of preventing the onset or progression of edema and / or ileus are provided, comprising the deployment of the disclosed apparatuses and the application of negative pressure therapy.

The utility model discloses a kind of digestive internal medicine intra-abdominal fluid collection drainage devices, belong to fluid collection drainage technical field, this one kind digestive internal medicine intra-abdominal fluid collection drainage device includes mounting plate, the mounting plate is provided with mounting groove and is installed with liquid storage barrel in mounting groove, negative pressure pump is installed in mounting plate one side, negative pressure pump input end is installed with communicating pipe and the communicating pipe with the liquid storage barrel intercommunication, cleaning mechanism is installed in the inner end of liquid storage barrel, liquid inlet pipe is intercommunication installed in the upper end of liquid storage barrel, one end of liquid inlet pipe is intercommunication installed with flow guide pipe, abdominal cavity scrap impurity blocking mechanism is installed outside flow guide pipe, the cleaning mechanism includes connecting ring. The device can be cleaned by cleaning mechanism, the cleaning effect is better, by abdominal cavity scrap impurity blocking mechanism, when using, prevent intra-abdominal scrap into flow guide pipe and cause flow guide pipe to be blocked, and affect drainage work.

The utility model is suitable for the technical field of abdominal surgery, and provides an extraperitoneal cavity dilator which comprises an operation end, the bottom of the operation end is in threaded connection with an inflation pipeline, a check valve is installed on the inner wall of the inflation pipeline, and a balloon dilator is arranged at the bottom of the inflation pipeline. The inflation pipeline is of a hollow cylinder structure and comprises a bent section used for bending, a reinforcing layer is arranged at the bottom of the bent section, and the check valve is arranged at the tail end of the reinforcing layer in the same direction. The check valve comprises an air cavity, the air cavity is formed in the middle section of the check valve, an air inlet is formed in one end of the air cavity, an air outlet is formed in the other end of the air cavity, the air inlet is formed in the end close to the bent section, and a check module is installed in the air cavity. According to the device, one-way flowing of gas is ensured through the non-return module, backflow and leakage are avoided, deflation can be achieved through the deflation rod, and operation stability and high adaptability are achieved.