381 results about "Laparoscopes" 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 invention discloses a positioning device for uterus suspension under a single-port laparoscope, and belongs to the technical field of medical instruments. Comprising a posture adjusting assembly and a suspension assembly, and the suspension assembly is arranged on the posture adjusting assembly; the suspension assembly comprises a circular mounting plate arranged above the posture adjusting assembly, an arc-shaped ring is arranged on the edge of the circular mounting plate, a plurality of lifting ropes are arranged on the arc-shaped ring, one ends of the lifting ropes penetrate through the arc-shaped plate, the other ends of the lifting ropes are downwards suspended, a supporting plate is arranged on the lower portion of the posture adjusting assembly, and the supporting plate is arranged on the lower portion of the posture adjusting assembly. One end of the supporting plate is fixed to the posture adjusting assembly, a plurality of guide plates are arranged at the other end of the supporting plate, one ends of the guide plates are connected to the supporting plate, guide rings are arranged at the other ends of the guide plates, and the other ends of the lifting ropes are located in the guide rings. According to the technical scheme, the uterus suspension positioning device is used for conducting suspension positioning on the uterus so as to expose the operation view, and meanwhile the problem that an abdominal incision is extruded in the suspension positioning process is avoided.

The utility model relates to the technical field of medical instruments, in particular to a pair of anti-slip rotatable bent three-blade forceps with a suction function for laparoscopic surgery, which comprises a forceps seat, blades, an opening mechanism, a forceps tube, a rotating mechanism, an inner tube, a rotating wheel, a pull rod, a pull wire, a handle and a suction tube, the blade is connected with the clamp seat through an opening mechanism, a rotating opening is formed in the head end of the clamp pipe, the clamp seat is installed on the rotating opening, the inner pipe is located in a pipe cavity of the clamp pipe, a rotating hole is formed in the tail end of the clamp pipe, the inner pipe penetrates through the rotating hole, the head end of the inner pipe is connected with the clamp seat through a rotating mechanism, and the rotating axis of the clamp seat is perpendicular to the rotating axis of the inner pipe. The utility model has the advantages that the front end of the blade is provided with the arc-shaped hook claw, so that deep pelvic tissues can be firmly grasped, and slipping can be effectively avoided; the rotating wheel is operated to adjust the angle of the clamp seat at the rotating opening through the inner pipe and the rotating mechanism, so that the traction effect of the blades is improved; a special suction channel is arranged in the forceps tube and used for sucking smoke, blood and interstitial fluid generated in the operation process.

The invention relates to the technical field of medical operation equipment, in particular to integrated abdominal tumor closed rotary cutting equipment based on pneumatic control and a rotary cutting method thereof.The integrated abdominal tumor closed rotary cutting equipment comprises a shell, and a sleeve is arranged at the right end of the shell; the air bag is arranged at the right end of the sleeve and comprises a fixing ring connected with the sleeve, an air channel fixed to the fixing ring and bag cloth, and an elastic rubber strip is fixed to the outer side of an opening in the right end of the air bag; the rotatable knife tube is arranged in the shell and extends into the sleeve, and a rotating assembly for driving the shell to rotate is arranged in the shell; the air inflation assembly is arranged in the shell and used for inflating the air bag; and the clamping jaw part of the grasping forceps can extend into the sleeve from one end of the shell and penetrate through the air bag to extend into the abdominal cavity of the patient. One person can independently complete the whole process from hermetically wrapping the tumor to taking out the air bag and the residual tumor, and the rotary cutting starting and stopping time and the air bag pressure relief node are automatically controlled, so that more efficient and safer laparoscopic surgery can be completed with less manpower.

The invention provides a transgastric laparoscopic surgery puncture outfit with anti-slip and fixing functions, which overcomes the surgery difficulties that a traditional puncture outfit cannot puncture into a gastral cavity, the gastral cavity cannot be tightly attached to an abdominal wall after puncture, and contents in the stomach easily flow back into an abdominal cavity through the puncture outfit to cause pollution and the like, and the puncture outfit enables the new technical surgery process to be more simplified, safer and more effective. Comprising a cannula assembly and a puncture assembly, the cannula assembly comprises a cannula seat and a cannula arranged at one end of the cannula seat, the puncture assembly comprises a puncture handle and a puncture needle arranged at one end of the puncture handle, and the puncture needle penetrates through the cannula in a sliding mode. The phenomenon that the cannula slides out of the gastral cavity, and the stomach and other visceral organs and blood vessels of a patient are injured due to repeated puncture can be effectively avoided, the situation that the whole puncture outfit is taken out when the instrument is pulled outwards is avoided, it is guaranteed that the percutaneous laparoscopic surgery is conducted smoothly, and the pain of the patient is relieved; the structure is simple, operation is convenient, time and labor are saved, and the protective fixing effect and the operation efficiency of the cannula are improved; the skin incision can be pulled, and the fixing effect is improved.

The invention discloses a self-adaptive force feedback method and device based on individualized virtual laparoscopic surgery and a medium, and belongs to the technical field of self-adaptive force feedback calculation. The self-adaptive force feedback method comprises the following steps: detecting whether a touch pen point of a virtual surgical instrument is in contact with an abdominal cavity tissue / organ model or not; wherein the outermost layer of the abdominal cavity tissue / organ model is coated with a surface film, and when the touch pen point of the virtual surgical instrument is in contact with the surface film, it is judged that the touch pen point is in contact with the corresponding abdominal cavity tissue / organ model; if the touch pen point of the virtual surgical instrument is in contact with the abdominal cavity tissue / organ model, identifying the type of the contacted abdominal cavity tissue / organ model, and switching to force feedback parameter setting of the corresponding abdominal cavity tissue / organ model for force feedback calculation; and detecting whether a touch pen point of the virtual surgical instrument penetrates through the surface film and enters the abdominal cavity tissue / organ model or not, if so, performing force feedback calculation based on the switched force feedback parameter setting, and performing scene rendering. According to the method, the force feedback parameters can be adaptively switched according to the types of different tissues and organs, and the quality and authenticity of a virtual operation are improved.

The invention discloses a pair of controllable laparoscope dripping bipolar electric coagulation forceps, which belongs to the technical field of medical instruments and comprises a hollow grip connected with a rotating component. The rotating assembly is provided with an electric coagulation forceps assembly; the electric coagulation forceps assembly comprises an electric coagulation assembly, a liquid spraying assembly, a quick connection assembly and an opening and closing assembly, the electric coagulation end of the electric coagulation assembly is installed at the opening and closing end of the opening and closing assembly, the power connection end of the electric coagulation assembly is fixedly connected with the opening and closing assembly, the end, away from the electric coagulation assembly, of the opening and closing assembly is fixedly connected with the quick connection assembly, and the opening and closing assembly is connected with the liquid spraying assembly. The opening and closing assembly is in threaded connection with the rotating assembly; the liquid spraying assembly is communicated with a liquid inlet assembly; the electrocoagulation assembly is provided with a power supply assembly; the quick connection assembly is connected with a quick connection type driving assembly; the quick connection type driving assembly is connected with a locking assembly; by means of the mode, the peritoneoscope catheter is suitable for the operation condition of a peritoneoscope, local temperature can be reduced, generation of eschar is reduced, surrounding tissue is protected, working efficiency is improved, and operation prognosis is improved.

An inflation-free single-port laparoscope abdominal wall fixing device comprises a fixing plate, a handle is arranged on the rear side of the fixing plate, the handle gradually inclines upwards, an operation hole is formed in the fixing plate, connecting plates are arranged on the left inner side and the right inner side in the operation hole respectively, the connecting plates are connected with the fixing plate through an adjusting device, and the adjusting device is connected with the fixing plate. A connecting plate is arranged on the handle, a side drag hook is arranged below the connecting plate, a suction tube is arranged on the handle, a connector is arranged at one end of the suction tube, the connector is connected with a negative pressure suction device, a flat tube which is bent downwards is arranged at the other end of the suction tube, one side of the flat tube is connected with the fixing plate in a welded mode, and suction holes which are communicated with each other are formed in the flat tube and the suction tube. The flat tube can be used as a suction tube to suck smoke and water mist generated in the abdominal cavity during an operation, and can also be used as a drag hook structure on the rear side to tension and support the rear side abdominal wall of an abdominal incision of a human body, the rear drag hook structure is replaced by the flat tube, and the suction tube does not interfere with the scalpel.

The utility model relates to a blood vessel closing system capable of removing laparoscopic surgery view smoke, and belongs to the technical field of medical instruments. The problems that when a traditional blood vessel closing system is used in a laparoscopic surgery, an aspirator needs to independently occupy a Trocar channel to suck smoke, so that the smoke suction effect is poor, and the surgery time is long are solved. Comprising a main body, a tube body assembly and a suction device connecting tube, the tube body assembly is installed at the front end of the main body, the suction device connecting tube is connected to the rear end of the main body, and the suction device connecting tube is used for being connected with a negative pressure suction device; the tube body assembly comprises a forceps shaft, a forceps head and a suction tube, and the other end of the forceps shaft is provided with the forceps head; the suction tube is sleeved outside the forceps shaft; the inner wall of the suction tube and the outer wall of the forceps shaft form a suction channel; the front end of the suction tube is provided with a smoke suction port. The utility model is used for closing blood vessels in the laparoscopic surgery and sucking smoke generated in the surgery.

A tissue retractor for laparoscopic surgery according to the present invention is a device for retracting tissues including organs in the abdominal cavity during laparoscopic surgery. The device has a structure in which four bar-shaped main frames are connected to each other to form a rhombus shape, and the four vertices thereof can be folded or unfolded. Accordingly, when one pair of first vertices facing each other are completely folded and the other pair of second vertices are completely unfolded, the device becomes a straight line and can be inserted into the abdominal cavity via a trocar installed in a surgical incision.

The invention discloses a laparoscopic surgery image enhancement and real-time auxiliary system, and relates to the technical field of medical image processing and intelligent auxiliary surgery. According to the laparoscopic surgery image enhancement and real-time auxiliary system, a laparoscopic image flow is obtained and cleaned through the video input and preprocessing module, image enhancement processing is carried out through a deep learning model, then spatial position features of a tissue structure and an instrument are extracted, and a structure recognition index and a spatial safety index are analyzed; according to the invention, through cooperative work of the image preprocessing module and the depth image enhancement model, brightness compensation, edge enhancement, denoising, smoke suppression and other operations are performed on the laparoscope image stream, the depth model is utilized to extract multi-scale image features and reconstruct details, and an enhanced video image stream is generated; therefore, the intraoperative abdominal cavity structure and instrument boundary is clearer, the positioning judgment precision of a doctor is remarkably improved, and the misjudgment risk caused by image blurring is reduced.

The gastrointestinal lifting device for the laparoscope of the general surgery department comprises a lifting rod, a lifting ring and an angle adjusting mechanism, the lifting ring is vertically arranged below the lifting rod, and an opening allowing tubular viscera to penetrate through is formed in one side of the lifting ring; the angle adjusting mechanism comprises an arc-shaped sliding block, an arc-shaped sliding groove and a traction rope. The arc-shaped sliding block is fixed at the lower end of the lifting rod; the arc-shaped sliding groove is formed in the circumferential outer wall of the lifting ring, the cross section of the arc-shaped sliding groove is in an inverted-T shape, the arc-shaped sliding block is slidably connected into a large-diameter groove opening of the arc-shaped sliding groove, and the arc-shaped sliding groove and the arc-shaped sliding block are coaxially arranged. One end of the traction rope is connected with the upper end, close to the opening, of the lifting ring. According to the utility model, the structure of the lifting ring with the opening is adopted to lift the tubular viscera, and after the tubular viscera enters the lifting ring through the opening, the opening is adjusted from a horizontal state to an inclined upward state through the angle adjusting mechanism, so that a limiting anti-falling structure for the tubular viscera is formed, and the tubular viscera are prevented from falling off in the lifting and moving process.

The utility model belongs to the technical field of medical instruments, and particularly relates to a pair of efficient smoke exhaust laparoscope operating forceps which comprises a forceps head, a hollow forceps tube, a mounting seat, a movable handle and a fixed handle, the movable handle and the fixed handle are mounted on the mounting seat and hinged with each other, a plurality of smoke suction holes are formed in the hollow forceps tube, one end of the hollow forceps tube is connected with the forceps head, and the other end of the hollow forceps tube is connected with the mounting seat. A negative pressure channel communicated with an inner cavity of the hollow forceps tube is arranged in the mounting seat, and the tail end of the negative pressure channel is connected with air exhaust equipment; the movable handle is connected with the forceps head through a pull rod assembly and controls the forceps head to be opened and closed, the pull rod assembly comprises a core rod, a core rod head and a pull rod, and the core rod is of a spiral structure and is arranged in the hollow forceps tube. Through the design of the smoke suction hole, the negative pressure channel, the smoke exhaust switch assembly and the air extractor, smoke generated by cutting of an energy instrument in the operation process can be rapidly exhausted through negative pressure air suction, the operation speed is increased, the operation risk is reduced, and the problem that the smoke influences the operation visual field is solved.

The invention provides a surgical laparoscope suturing instrument applied to the field of laparoscopes, the surgical laparoscope suturing instrument comprises a multifunctional handle and a suturing head, operation power is transmitted between the multifunctional handle and the suturing head through a transmission rod, the suturing head comprises an upper forceps body and a lower forceps body, and the upper forceps body and the lower forceps body are oppositely arranged and rotationally connected; the lower forceps body is detachably connected with a suture main body; one side, opposite to the upper forceps body, of the suturing main body is provided with two groups of suturing needle groups which are symmetrically arranged, each group of suturing needle group comprises a plurality of needle grooves which are arranged at equal intervals and are adjacently staggered, suturing titanium nails are arranged in the needle grooves, one side, opposite to the lower forceps body, of the upper forceps body is fixedly provided with a cutting board, and the cutting board is provided with nail bending grooves matched with the suturing titanium nails; through the improvement of the suture titanium nail and the cutting mechanism, a push broach structure of the multifunctional handle is reduced, the involution anti-falling performance and safety of the suture titanium nail are improved, the suture efficiency and operation safety in an abdominal cavity operation can be effectively improved, the market prospect is achieved, and application and popularization are facilitated.

The novel laparoscope biopsy forceps comprise a forceps head, a catheter, a fixed handle and a movable handle, the fixed handle and the movable handle are hinged, a guide rod is arranged in the catheter in a sliding mode, the forceps head is installed on a rotating cylinder, the rotating cylinder is connected with one end of the catheter in a rotating mode, and the catheter is arranged on the rotating cylinder. One end of the guide rod is in transmission connection with the tong head so as to control the tong head to be opened and closed, and a linkage structure is arranged between the guide rod and the rotating cylinder so as to drive the rotating cylinder to rotate; the top of the fixed handle is fixedly connected with the guide pipe, a connecting hole is formed in the top of the movable handle, the guide rod penetrates out of the guide pipe and then penetrates out of the connecting hole, and limiting parts are arranged on the guide rod and located on the two sides of the connecting hole so that the movable handle can push the guide rod to move front and back. And a rotary operation part is arranged at the exposed end of the guide rod. According to the novel laparoscope biopsy forceps provided by the utility model, the angle of the forceps head can be conveniently adjusted, so that the success rate of material drawing in an operation is improved, and unnecessary trauma to a patient is reduced.

An imaging system includes a laparoscopic camera configured to capture a video stream of tissue and an intraoperative imaging device configured to be inserted through an access port and to obtain a plurality of signals from the tissue. The system also includes an image processing device configured to: generate a 3D reconstruction of the surgical site from the laparoscopic camera video stream to estimate a 3D position of the intraoperative imaging device in a reference frame of the laparoscopic camera; and positioning the laparoscopic camera and the intraoperative imaging device in a world coordinate system based on the 3D reconstruction of the surgical site. The image processing device is further configured to receive a volumetric image of tissue formed by the preoperative imaging modality and to generate a multi-frame representation from the plurality of signals from the intra-operative imaging device. The image processing device is further configured to: register the multi-frame representation with a volumetric image of tissue; deforming the volumetric image of the tissue according to the multi-frame representation; and generating an overlay of the volumetric image of the tissue and the multi-frame representation. The system further includes a screen configured to display a video stream showing data based on the plurality of signals from the intraoperative imaging device and an overlay extending from the intraoperative imaging device.

The invention discloses a laparoscope puncture outfit with a fixing device, comprising: an outer sheath structure comprising a puncture seat and a puncture tube arranged at one end of the puncture seat and communicated with the puncture seat; the sheath core structure is used for being inserted into the outer sheath structure; the fixing device is arranged on the outer wall of the puncture tube and comprises a first fixing part, a second fixing part and a third fixing part, the balloon fixing part comprises an inner ring movably arranged on the outer wall of the puncture tube in a sleeving mode and located below the first fixing part and an annular air bag arranged on the outer wall of the inner ring; and the driving part comprises an air bag driving unit and an inner ring driving unit. The balloon fixing part and the first fixing part in the fixing device can make contact with the inner surface wall and the outer surface wall of the abdominal cavity of a patient, meanwhile, the driving part is arranged to drive the annular air bag to expand and then adjust the position of the annular air bag on the outer wall of the puncture tube, it is guaranteed that the puncture tube is stably located at the needed position, and meanwhile the device is conveniently suitable for different patients to operate.

The present application relates to the field of image processing technology, and discloses a 3D laparoscopic surgical camera posture estimation method, apparatus, device and storage medium. The method comprises: obtaining an image set of the abdominal cavity; determining a depth image, a third optical flow map, and a fourth optical flow map based on the image set and a preset structural similarity index formula, and then performing posture estimation based on the depth image, the third optical flow map, the fourth optical flow map and a trained UNet network. While maintaining high accuracy, it does not require the support of a high-performance CPU, GPU and high-quality sensors (such as RGB-D cameras, lidars, etc.), reduces the complexity of the equipment, makes better use of surgical data acquired by the binocular system, improves the accuracy of feature extraction, and achieves more accurate camera posture estimation in different surgical scenarios, thereby enhancing the accuracy and comprehensiveness of surgical navigation, improving the accuracy and safety of surgery, optimizing the surgical process and improving the quality of postoperative evaluation.

The application provides a laparoscope reciprocating suture device middle wire guide intermittent release mechanism, the suture device comprises a curved needle mounting block, the curved needle mounting block is provided with a curved needle groove, a curved needle is movably arranged in the curved needle groove, the curved needle performs curve movement along the curved needle groove, the curved needle mounting block is provided with a first opening and a second opening, the first opening is located at the front end of the curved needle groove, the second opening is movably connected with a wire guide, the wire guide is connected with a suture wire, and the intermittent release mechanism is arranged at the position of the second opening.The wire guide is limited or released, the wedge-shaped teeth between the rotating buckle and the rotating buckle base, the reset spring and the two-face cutting flange are arranged, so that the curved needle automatically and intermittently draws out the wire guide from the second outlet and separates from the wire guide when reciprocating, the wire guide remains in the second outlet position, manual operation is not required for releasing the wire guide or limiting the wire guide each time, the order of suture wire routing is ensured, and the reliability and convenience of surgical suturing are improved.

A novel integrated wound closure device for laparoscopy having an elongated body with a distal end and proximal end able to-use suture for closing surgical port wounds comprising a single sequential proximal activation means able to operate multiple internal systems sequentially such as: a distal anchoring system, a self-contained tissue piercing system, a suture staging means to position suture suitable for capture at a target zone, and a suture capturing system to capture and retract suture into said piercing system with all system functions configured internally of said elongated body which can be reused multiple times per patient.

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 technical field of mechanical supports, and discloses a laparoscopic surgery laparoscopic holding mechanical support which comprises a supporting rod and an arc-shaped supporting frame on one side of the supporting rod, a limiting installation buckle is installed on the side, away from the arc-shaped supporting frame, of the supporting rod, and an installation ring piece is movably connected to the side, away from the supporting rod, of the arc-shaped supporting frame. An arc-shaped sliding groove is formed in the side, close to the mounting ring piece, of the arc-shaped supporting frame, and a sliding rod is movably connected to the side, away from the arc-shaped supporting frame, of the arc-shaped sliding groove. Limiting mounting buckles are mounted on the sides, away from the arc-shaped supporting frame, of the supporting rods, extrusion plates are arranged on the sides, away from the supporting rods, of the limiting mounting buckles, and the overall volume of the device should be reduced to the minimum in the actual mounting process; the device can be stably fixed on one side of an operating bed or any rod-shaped object, so that the overall convenient use effect of the device is improved.

A surgical access device, such as in the form of a Veress needle or trocar / obturator, for use in providing access to a patient in a surgical setting is disclosed. The surgical access device incorporates one or more sensors to provide real-time data usable to evaluate an insertion position of the surgical access device and provide feedback to a live user or robotic insertion device. Additionally, a system and method for adjusting the flow of insufflation gas based on the real-time data and a sensed pressure at the surgical access device is described.

The application discloses a single-hole laparoscopic cholecystectomy method and relates to the technical field of laparoscopy application, S1: a patient is given general anesthesia by air insertion, a belly navel turning-over technique is used to establish an operation hole at the navel, and a single-port multi-channel puncture device is arranged; S2: a 30-degree straight laparoscope lens, a curved blood vessel clamp, a non-injury grabbing clamp, an ultrasonic knife, an electric coagulation hook and other conventional surgical instruments used in multi-hole laparoscopic cholecystectomy are used, a Cross Hand method is adopted to enter the surgical instrument, the bottom of a gallbladder is lifted by the non-injury grabbing clamp, and a gallbladder triangle is exposed. If the gallbladder triangle is shielded by liver Ⅲ or Ⅳb in this step, the visual field cannot be completely exposed, and a liver traction device needs to be used to assist in exposing the visual field of the gallbladder triangle. The application always keeps the same traction force on the liver, avoids the problem that the traction force of the liver is insufficient to cause unclear visual field with the cutting of the gallbladder being deepened, better exposes the surgical visual field of the gallbladder triangle, reduces the operation time and improves the operation safety.

A method of deploying an intraluminal device to the cardiac region of the stomach and an intraluminal system used to deploy an intraluminal device to the cardiac region of the stomach, wherein the intraluminal device has a wall defining a surface and an open portion of the surface that is adapted to be aligned with the gastroesophageal (GE) junction. The surface and the cardiac portion of the stomach are conformable with each other. The method includes deploying the intraluminal device trans-orally to the stomach with an endoscopic deployment device and retaining the device against the cardiac region of the stomach with the open portion generally aligned with the GE junction. The intraluminal device is fastened to the stomach from the abdominal cavity with at least one laparoscopic instrument while concurrently visualizing the device with an endoscope in the stomach while it is being fastened. The laparoscopic instrument is adapted to respond to the endoscope in order to adjust location between the laparoscopic instrument and intraluminal device while the laparoscopic instrument is fastening the intraluminal device.

The invention discloses an anatomical region identification method based on deep learning and a 3D fluorescent laparoscope. The method comprises the following steps: acquiring an operation video of laparoscopic cholecystectomy through a 3D fluorescent laparoscope; extracting a short video of gall bladder triangular anatomy of the gall bladder neck from the operation video; an operation image set is extracted from the short video, and an anatomical area of the operation image set is provided with a fluorescent mark; marking an anatomical region for the extracted surgical image set according to a fluorescent identifier; training an anatomical region identification model; and marking an anatomical region for a real-time image acquired by the 3D fluorescent laparoscope in a real-time operation process through the anatomical region marking model. According to the method, the operation video is obtained through the 3D fluorescent laparoscope, the anatomical region in the operation video has the fluorescent mark, and the position of the anatomical region can be accurately reflected through the fluorescent mark, so that the anatomical region marked in the operation image set is more accurate.

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

The invention discloses a 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.

A double-needle bidirectional barb surgical suture with a buckle ring in the middle comprises a single suture, suture needles are arranged at two ends of the suture, barb suture bodies on two sides of the suture are respectively provided with barbs with barbs pointing to the middle, the buckle ring is arranged in the middle of the barb suture bodies, and the barb suture bodies are made of absorbable materials. After the sutured first needle is used for suturing the tissue, the suture needle on one side penetrates into the buckling ring and then is tensioned, so that the first needle is used for suturing the tissue and is locked, and tissue damage caused by excessive traction of the barb line on the other side of the buckling ring towards the barb opening direction in the traction process when the suture needles on the two sides are continuously used for suturing the tissue subsequently can be avoided; by means of the device, the suture line can be conveniently pulled to twist the intestinal canal in the surgical anastomosis operation process of the gastrointestinal tract, so that an operation operator can conveniently suture the lateral and dorsal intestinal walls, and the gastrointestinal tract operation, especially the gastrointestinal tract anastomosis under a laparoscope, can be facilitated.

The invention relates to a disposable multichannel cervical and thoracic laparoscope puncture outfit and an installation method thereof, the disposable multichannel cervical and thoracic laparoscope puncture outfit comprises an incision protection sleeve and an elastic bag sleeve extending out of the incision protection sleeve, and the end, located in the incision protection sleeve, of the elastic bag sleeve and a thin film sleeve of the incision protection sleeve are of an integrated structure; the outer end of the elastic bag sleeve extends towards different angles to form a plurality of finger parts with different lengths, the tail end of each finger part is fixedly connected with a channel sleeve, and the interiors of the channel sleeves are communicated with the interiors of the corresponding finger parts. The disposable multi-channel cervical-thoracic laparoscope puncture outfit is simple in structure, convenient to install, capable of reducing manufacturing cost, capable of improving operation efficiency, capable of improving the degree of freedom of the operation, capable of reducing instrument interference, capable of improving operation flexibility, operation efficiency and safety and easy to popularize. A nurse can take out a specimen without influencing the air tightness of an operation cavity, an operator does not need to take out the specimen through an instrument channel, the operation continuity is improved, and the problem of operation interruption caused by specimen taking out in the prior art is solved.