543 results about "Abdominal cavity" patented technology

The invention discloses a fractal-driven laparoscope Toldt line positioning method and device and a medium. The method comprises the following steps: acquiring a plurality of laparoscope video frames; performing feature modeling on the plurality of laparoscope video frames according to a Toldt line segmentation model to obtain a multi-scale feature map; and performing multi-scale spatio-temporal feature fusion and aggregation processing on the multi-scale feature map, and inputting a processing result into a multi-scale decoder for prediction to obtain the position of the Toldt line in the abdominal cavity. According to the fractal-driven laparoscope Toldt line positioning method and device and the medium, the anatomical features of the Toldt line are captured through accurate feature modeling, the adaptability to the dynamic abdominal cavity environment is enhanced in combination with multi-scale spatial-temporal feature fusion, high-precision prediction is achieved through a multi-scale decoder, and therefore the position of the Toldt line in the abdominal cavity is recognized, and the positioning accuracy of the Toldt line in the abdominal cavity is improved. The problem that it is difficult to accurately recognize the position of the Toldt line in the abdominal cavity can be solved.

The speed-adjustable negative pressure drainage device comprises a drainage tube, a bottle body, a cover body and a negative pressure source connector, the cover body is rotated to drive a top ring cambered surface protrusion to jack up a bead body, a through hole is opened according to the angle gradient, external air enters dilution negative pressure, and linear speed regulation without negative pressure source adjustment is achieved; the bead body periodically opens and closes the through holes to form pulsating type instantaneous suction force, so that the adhesive force between blood clots and the tube wall is destroyed, and blockage is actively prevented; the gradient section of the drainage tube accelerates liquid flow through abrupt drop to generate local negative pressure to pull rear liquid flow; the upper convex hulls enlarge the sectional area of a pipe cavity before sharp drop, decelerate liquid flow and form a vortex region, so that blood clots are separated and deposited due to inertia, and liquid-solid layering is realized; the device has the functions of mechanical blockage prevention, precise pressure control and overload protection, the clinical blockage rate is reduced from 30% to 5% or below, power support is not needed, the device is suitable for postoperative drainage scenes such as the abdominal cavity and the thoracic cavity, and the medical operation load and the complication risk of a patient are remarkably reduced.

The invention relates to the technical field of medical drainage tubes, in particular to an abdominal cavity drainage device for oncology surgery, which comprises a negative pressure drainage device, a control device is arranged above the negative pressure drainage device, and a negative pressure drainage assembly is arranged at the front end of the negative pressure drainage device. The abdominal cavity drainage device has the advantages that the hard adjusting branch pipe is designed below the abdominal cavity drainage main pipe, the adjusting fixing ring and the adjusting fixing assembly are designed in a matched mode, the hard adjusting branch pipe is arranged below the abdominal cavity drainage main pipe, and the abdominal cavity drainage main pipe is connected with the negative pressure drainage assembly through the hard adjusting branch pipe. The movable adjusting tube is integrally rotated by the movable pushing gasket, and then the pushing gasket is pressed to pull the tensioning line, so that the flashboard extrudes the adjusting convex block, the hollow ball tube above the hard adjusting branch tube deviates, the hollow ball tube below the hard adjusting branch tube deflects, and the positions of the hard connecting branch tube and the abdominal cavity drainage branch tube are driven to be adjusted through downward deflection of the hard adjusting branch tube; and the drainage position is convenient to adjust.

The invention belongs to the technical field of medical instruments, and discloses a gynecological postoperative flushing device which comprises an outer flushing tube and an inner suction tube, the outer diameter of the inner suction tube is smaller than the inner diameter of the outer flushing tube, and the inner suction tube penetrates through the outer flushing tube; the liquid inlet end of the outer flushing pipe is communicated with a flushing pump, the liquid inlet end of the flushing pump is communicated with a liquid storage bottle for storing flushing liquid, and a first through hole is formed in the liquid outlet end of the outer flushing pipe; the liquid outlet end of the suction inner tube is communicated with a collecting bottle, the collecting bottle is communicated with the suction pump through a negative pressure tube, and a second through hole is formed in the liquid inlet end of the suction inner tube; the outer side of the flushing outer pipe is adjustably connected with a fixing assembly. The flushing outer pipe and a wound are fixed through the fixing assembly, the fixing effect is good, and the situation that the pipeline displaces to rub skin is avoided; the flushing pump is started to flush the wound position in the abdominal cavity through the flushing outer pipe, the suction pump is started to drain hydrops in the abdominal cavity through the suction inner pipe, and flushing and drainage work can be completed through one-time intubation operation.

Described here are methods, systems, and devices, useful for minimally invasive surgical procedures. The methods may include introducing a grasper through an opening into an abdominal cavity, grasping a portion of a left lobe of a liver with the grasper, rotating the grasper towards a control element located outside the abdominal cavity by applying a magnetic field to the grasper across a body wall, and moving the control element over a set of ribs such that the liver bends into a folded configuration.

The invention relates to a gynecological pelvic and abdominal lymphatic cleaning prediction model training method and a lymph node model.The training method comprises the steps that preoperative image data and intraoperative instrument operation parameters of historical patients are subjected to modeling processing, and a dynamic mechanics-fluid coupling lymph node model based on bionic materials is constructed; mechanical deformation and fluid flow of a lymphatic system in various clinical scenes are simulated; performing data acquisition processing on the used lymph node model, and quantifying the dynamic influence of the surgical operation on the lymphatic system; the relevance between historical operation and injury risk is deeply learned, and the lymphatic vessel rupture probability is output; real-time feedback control processing is carried out based on the lymphatic vessel rupture probability, a training correction instruction and a risk thermodynamic diagram are generated, and medical workers are guided to optimize surgical skills. Through fusion analysis of the high-fidelity bionic model and multi-modal data, dynamic simulation of the mechanical-fluid coupling effect in the operation and real-time quantification of the operation risk are achieved, and the accuracy and clinical transformation value of operation training are improved.

The utility model discloses an abdominal cavity drainage tube which comprises an outer sleeve and a liquid suction tube arranged in the outer sleeve in a sleeved mode, a flushing cavity is formed between the outer sleeve and the liquid suction tube, the outer sleeve is connected with a flushing tube, a plurality of flushing holes are formed in the side wall of the outer sleeve, the flushing holes are communicated with the flushing cavity, and the liquid suction tube is communicated with the flushing cavity. And a plurality of connecting pipes are arranged between the outer sleeve and the pipette. According to the utility model, the drainage tube is inserted into the body of a patient, the flushing tube is connected with the flushing equipment, and the liquid suction tube is connected with the drainage equipment, so that flushing fluid can enter the flushing cavity from the flushing tube and then enter the body of the patient for flushing, effusion can enter the liquid suction tube from the connecting tube for drainage, and the flushing fluid and the effusion are respectively positioned in different tubes; and the peritoneal cavity of the patient can be washed clean, so that secondary infection is avoided.

The invention discloses an intestinal anastomosis operation abdominal cavity film covering structure, and relates to the technical field of intraoperative film covering, the intestinal anastomosis operation abdominal cavity film covering structure comprises an external connection part, an internal expansion part and an adsorption part, through inflation of an outer pipe, transverse branch pipes and vertical branch pipes of a corrugated pipe structure extend, transverse concave bases and vertical concave bases are far away from each other, and meanwhile transverse folding frames and vertical folding frames are unfolded; a pull wire of the negative pressure assembly can be pulled in the unfolding process of the transverse folding frame and the vertical folding frame, so that the fragment connected with the pull wire is pulled up, the fragment forms negative pressure at the peritoneum position through the connecting film, and the lower film is attached to the peritoneum and the unfolding position of an operator; the unfolding effect is achieved through inflation, meanwhile, the prominent effect of adsorbing the covered position is achieved, the intestinal canal incision operation is carried out on the upper side of the upper film, and the pollution of the intestinal canal is received.

The invention relates to the technical field of medical monitoring equipment, in particular to an intelligent drainage monitoring system and method after a hepatotomy based on multi-modal sensing, and the system comprises a sensing data collection module, a signal processing module, a data fusion analysis module and an abnormity recognition early warning module. The sensing data acquisition module comprehensively acquires pressure, component and diffusion state data of drainage liquid by utilizing an optical fiber pressure sensor array, a micro spectral analysis device and a biological impedance sensor, the signal processing module converts sensing data into digital signals, and the data fusion analysis module performs fusion analysis on the drainage liquid based on the signals. According to the system, the content of bilirubin and hemoglobin in drainage liquid and the diffusion state of the bilirubin and hemoglobin in the abdominal cavity are recognized and comprehensively analyzed, the abnormity recognition and early warning module compares an analysis result with a preset normal index, the abnormal condition is determined, an early warning signal is generated, the intelligence and accuracy of drainage management are effectively improved, and the working efficiency is improved. Postoperative complications can be reduced, and the rehabilitation quality of a patient can be improved.

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 invention relates to a vagina plugging device for a gynecological operation, and belongs to the technical field of medical instruments. In order to keep the pressure of the abdominal cavity stable and reduce the plugging failure risk, the vagina plugging device comprises an expansion piece, an inflation and deflation piece and an expansion mechanism, and the expansion piece comprises a cervix uteri abutting part, an expansion part and a vagina plugging part which are sequentially connected; the inflating and deflating part is communicated with the vagina plugging part and is used for driving the cervix uteri pressing part, the expanding part and the vagina plugging part to expand or contract; the expanding and supporting mechanism is arranged in the expanding and supporting part and used for supporting the expanding and supporting part. According to the vagina plugging device, vagina lacuna plugging is achieved through the vagina plugging part, a gas leakage path is blocked, and the pressure of the abdominal cavity is kept stable; the fixing stability of the vagina plugging device is improved through the cervix uteri abutting part and the expanding and supporting mechanism, the probability of displacement in an operation is reduced, and the plugging failure risk is reduced.

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 utility model discloses a special abdominal cavity dilator for animals, which relates to the field of abdominal cavity dilators and comprises a first dilating frame, a second dilating frame, a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are used for positioning and mounting the first dilating frame and the second dilating frame, and the first dilating frame and the second dilating frame are in circular connection. By loosening the two connecting blocks, the two connecting columns are driven to reset and inserted into the corresponding mounting blocks under the automatic reset action of the corresponding telescopic rods and telescopic springs, and an operator holds the upper ends of the first distraction frame and the second distraction frame with hands, so that the upper ends of the first distraction frame and the second distraction frame are opened. According to the device, the first distraction frame and the second distraction frame are arranged, so that the bending parts at the lower ends of the first distraction frame and the second distraction frame can be distraction, the abdominal cavity of an animal can be distraction, and the abdominal cavity distraction device can be specially used for the abdominal cavity of the animal, so that the use effect of distraction of the abdominal cavity of the animal can be improved, and internal organs can be better exposed; therefore, accurate operation can be carried out.

The invention discloses an abdominal cavity suture needle assembly and a suture method thereof.The suture needle assembly comprises a suture needle (10), the suture needle (10) comprises a needle head (11) and a needle body (12) connected with the needle head (11), a penetrating hole (123) is formed in the end, away from the needle head (11), of the needle body (12), an expansion body (13) is further arranged on the needle body (12), and when the suture needle (10) punctures an abdominal cavity tissue (200), the expansion body (13) expands the penetrating hole (123); the expansion body (13) can be switched between a contraction position where the expansion body (13) is contacted with a tissue piercing port to contract and an expansion position where the expansion body (13) is arranged in the tissue to expand; the sewing thread (20) is matched with the penetrating hole (123); wherein the sewing needles (10) are sequentially arranged at intervals along the two sides or the circumferential edge of the abdominal cavity notch (210), and the sewing threads (20) sequentially penetrate through the sewing needles (10) located on the two sides or the circumferential edge of the abdominal cavity notch (210).

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.

A system for closing trocar wound sites includes a suture engagement device and a guide to direct the device through the body tissues. An improved needle and guide instrument set allows for the surgical placement of suture to be completed "blind," namely, without the aid of an endoscope for direct visualization of the abdominal cavity. The guide can include markings to accurately determine a depth of the guide and, therefore, accurately determining a suture fascial tissue bite distance. This may be advantageous in certain surgical procedures where an endoscope is not being used or does not provide adequate visualization of the surgical site.

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 invention discloses a cirrhosis ascites pressure dynamic measurement method and system, and relates to the technical field of medical auxiliary measurement. Comprising the following steps: acquiring an abdominal cavity image, ascites pressure dynamics and abdominal cavity blood flow pulsation data of a patient; extracting periodical fluctuation characteristics of the pressure data, and dynamically calibrating the image anatomical region according to the periodical fluctuation characteristics to obtain a candidate region; performing phase decorrelation analysis on the fluctuation characteristics of the region and the abdominal blood flow pulsation data to exclude a blood vessel adjacent region and obtain a target cavity region; based on this, a puncture path prediction model is constructed, and path data is output; finally, safety judgment is conducted on the path data, and when the pressure gradient of the path data is stable within the preset length range and meets the decorrelation condition, a puncture positioning point is output. The system comprises corresponding modules for executing the steps. Through multi-modal data fusion and dynamic analysis, precise planning and safety verification of puncture points are achieved, and the risk of accidentally injuring blood vessels and intestinal canals in the abdominal paracentesis is reduced.

The utility model discloses a disposable abdominal cavity puncture outfit, which belongs to the technical field of medical instruments and is characterized by comprising a tube handle, the bottom of the tube handle is communicated with a sleeve, a puncture handle is arranged at the top of the tube handle, a puncture needle is arranged at the bottom of the puncture handle, the puncture needle penetrates through the inside of the sleeve, and the puncture needle is arranged in the sleeve. The auxiliary fixing assembly is arranged on the outer side of the sleeve in a sleeving mode in advance, then when a puncture needle enters an abdominal cavity, the auxiliary fixing assembly is attracted to the outer side of the puncture position of the auxiliary fixing assembly, and therefore a magnet piece bonded to the bottom of an adjusting ring of the auxiliary fixing assembly can be attracted to the top of the auxiliary fixing assembly; after the puncture reaches the preset depth, the position of the adjusting ring can be effectively fixed through the adsorption effect of the adjusting ring and the puncture needle, then the puncture depth of the puncture needle is stabilized, the situation that the puncture depth changes due to mistaken touch and other reasons in the operation process is avoided, and the accuracy and stability of the puncture depth are further ensured.

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 utility model relates to an abdominal cavity operation device facilitating installation of a conveying pipe, and belongs to the technical field of medical instruments. The device comprises a wound protection sleeve, the wound protection sleeve comprises a sleeve and a connecting ring connected to the sleeve, the connecting ring is provided with a connecting hole, the connecting hole is used for being connected with a gas conveying pipe, and the gas conveying pipe is used for conveying gas. The connecting ring is arranged on the wound protection sleeve, the connecting hole is formed in the connecting ring, the gas conveying pipe is convenient to install, and on one hand, the gas conveying pipe serves as a gas inlet pipe for rapidly inputting surgical gas at the beginning of a surgery and on the other hand serves as an exhaust pipe; cauterization smoke and other harmful gases escaping out of the wound protection sleeve during an operation are exhausted, and a filtering assembly is arranged to purify the cauterization smoke and other harmful gases, so that the influence on the sterile environment of an operating room and the body health of operating room personnel is reduced.

The utility model relates to the technical field of medical instruments. The multifunctional peritoneal drainage tube comprises a storage box, a side cover is hinged to one side of the storage box, one side of the side cover is connected with one side of the storage box in a magnetic attraction mode, and a liquid flow tube is fixed to the other end of an adapter. The storage box, the side cover, the limiting block and the drainage tube are used in cooperation, so that the storage box can store the overlong drainage tube part according to requirements, the probability that the overlong drainage tube is hooked with other objects is reduced, and certain convenience is provided for movement of a patient; the drainage tube, the threaded cover, the adapter, the liquid flow tube, the threaded bolt and the sealing strip are used in cooperation, so that the drainage tube can be detached from the pipeline on the drainage bag, when the drainage bag is filled with liquid, medical staff can detach the pipeline on the drainage bag from the drainage tube, and the requirement that the medical staff need to replace the whole set of equipment is reduced.

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 novel pelvic and abdominal cavity drainage tube comprises a main pipeline, the main pipeline comprises a suction section and a drainage section which are connected with each other, a through suction channel is formed in the suction section in the length direction, a main channel and a plurality of auxiliary channels are formed in the drainage section in the circumferential direction, and the main channel and the auxiliary channels are through in the length direction of the suction section; the projection area of the main channel is larger than that of the auxiliary channel, and strip-shaped openings are formed in the side walls, corresponding to the drainage section, of the main channel and the auxiliary channel. The auxiliary pipeline is circumferentially provided with a plurality of drainage grooves, the outer wall of the drainage section is provided with a connecting hole corresponding to the main channel, one end of the auxiliary pipeline is inserted into the main channel along the connecting hole to enable the drainage grooves to be communicated with the main channel, drainage of the groove area of the tissue part is achieved through the auxiliary pipeline, and therefore the overall drainage range of the drainage tube is enlarged; a better drainage effect is obtained; the overall size can be reduced through connection of the auxiliary pipeline and the main channel, and therefore the wound size of the human body is reduced.

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 utility model provides an avulsion puncture needle with a protection function for an abdominal surgery, and relates to the field of medical instruments. Comprising an avulsion sheathing canal and a needle body, the needle body movably penetrates through the avulsion sheathing canal, a needle cap is arranged at the end, away from a needle tip, of the needle body, and the needle body is sleeved with an elastic piece; one end of the elastic piece is fixedly connected to the needle cap, and the other end of the elastic piece abuts against the top of the tearable sheathing canal. One side of the bottom of the tearable sheathing canal is provided with a leading-in port inclining towards the bottom of the tearable sheathing canal. Visceral organs in the abdominal cavity can be protected in the puncture and introduction process, the needle body and the tearable sheathing canal can be rapidly taken out, and the operation safety and the operation efficiency are improved.

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 utility model belongs to the technical field of medical instruments, and particularly relates to an abdominal drainage liquid extraction device which comprises a puncture part, a connecting pipe and a storage bottle. One end of the connecting tube is communicated with the puncture part, and the other end of the connecting tube is communicated with the storage bottle; the interior of the storage bottle is vacuum; a water stop clamp is arranged on the outer wall of the connecting pipe; the puncture part comprises a holding piece, a protective sleeve, a puncture needle and a reset piece; one end of the holding piece is fixedly connected with the puncture needle, and the other end of the holding piece is connected with the connecting pipe; a through hole is formed in the holding part, so that the puncture needle is communicated with the connecting tube; the puncture needle is wrapped with the protective sleeve; a sliding cavity is formed in the end, away from the connecting pipe, of the holding piece. One end of the protective sleeve is inserted into the sliding cavity; the reset piece is located in the sliding cavity. One end of the reset piece is connected with the protective sleeve, and the other end of the reset piece abuts against the inner wall of the sliding cavity.