569 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.

Method and system for estimating 3D camera pose based on 2D features. 3D virtual camera poses are generated, each of which is used to determine a perspective to project a 3D model of a target organ to create a 2D image of the target organ. 2D features are extracted from each 2D image and paired with the corresponding 3D virtual camera pose to represent a mapping. A 2D feature-camera pose mapping model is obtained based on the pairs. Input 2D features extracted from a real-time 2D image of the target organ are used to map, via the 2D feature-camera pose mapping model, to a 3D pose estimate of a laparoscopic camera, which is then refined to derive an estimated 3D camera pose of the laparoscopic camera via differential rendering of the 3D model with respect to the 3D pose estimate.

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 provides an intracavity gas self-circulation filtering device for laparoscopic surgery, which comprises a first filtering part (1) provided with a first filtering part gas inlet (102) and a first filtering part gas outlet (103), and the first filtering part gas inlet is communicated with the abdominal cavity of a human body; the power part (2) is connected with the first filtering part and is provided with a power part air inlet (203) and a power part air outlet (202), the power part air inlet is communicated with the first filtering part through the first filtering part air outlet, and the power part air outlet is communicated with the human body abdominal cavity; a housing (5) having an opening and an internal space communicating with the outside and accommodating the first filter part and the power part in the internal space; and the at least one second filtering part (1005) is communicated with at least one of the first filtering part air inlet and the power part air outlet. The technical scheme provided by the invention has the advantages of avoiding pollution and being high in durability.

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 air-free laparoscope abdominal wall suspension surgical instrument assembly comprises a bed supporting frame, a cross rod fixing extension rod, an abdominal wall puncture outfit with a handle, a pull rope with a lock catch, a T-shaped foldable pull rod, a suspension rope and accessories of the suspension rope. The suspension rope can be quickly, simply and conveniently arranged on the abdominal wall through the abdominal wall puncture outfit with the handle, and the T-shaped foldable pull rod can directly, safely and controllably suspend the abdominal wall on the side abdominal wall; in the lock catch, a pushing and loosening pipe with a side hole pulls the side wall of a rope channel through a trapezoid body, and locking and loosening of the suspension rope and the hollow pull rod holding section are achieved by pushing a clamping strip or a clamping single ball or clamping double balls or clamping three balls. By means of the assembly, a pneumoperitoneum-free uniform intra-abdominal-cavity operation space can be rapidly, simply and safely established, the requirement of an endoscopic surgery is met, and complications related to pneumoperitoneum are avoided.

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 relates to the technical field of medical instruments, in particular to a wound retaining support with a waste liquid absorption function for laparoscopic minimally invasive surgery, which comprises a wound sleeve and an expansion bag, a plurality of valve seats are embedded on the outer side of the top of the expansion bag, the wound sleeve is made of silica gel, and a sealing film is integrally arranged in a top end opening of the wound sleeve. A plurality of film notches are radially formed in the center of the sealing film, a sealing sleeve connected with the expansion bag in a sleeved mode is arranged on the edge of the top face of the sealing film, and a linkage sleeve connected with the upper half portion of the sealing sleeve in a sleeved mode and connected with the lower half portion of the sealing sleeve in a threaded mode is arranged on the bottom face of the expansion bag. The wound sleeve is clamped inside and outside an abdominal wound, after an operation is carried out for a period of time, liquid accumulates to shield the visual field, and after the expansion bag is pressed downwards and rotated, the pull rods pull the pull columns to be twisted to close the membrane notches, so that the internal space of the expansion bag is sealed; the operation is convenient and fast, the liquid is discharged in time, and a clean operation space is created.

The invention relates to a laparoscopic surgery puncture trocar. The laparoscopic surgery puncture trocar comprises a trocar body, an air bag and a clamping piece. The air bag sleeves one end of the tube body and is used for expanding in the diameter direction of the tube body after being inflated; the clamping piece is movably mounted on the pipe body; a clamping face is arranged on the side, close to the air bag, of the clamping piece, and the clamping face and the air bag are matched with each other and used for being clamped on the two opposite sides of an operation puncture opening, so that the tube body is fixed to the operation puncture opening. The expansion degree of the air bag is adjusted, the clamping piece on the outer side of the human body is matched to help the puncture trocar to be fixed, the distance between the clamping piece and the air bag can be adjusted at will, and the puncture trocar can still be applied to people with different weights or patients with different abdominal wall thicknesses; and the fixing firmness of the puncture trocar is ensured.

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 invention relates to the technical field of medical treatment, in particular to a laparoscope with temperature adjusting and lens blurring preventing functions. The device comprises a support, the top of the support is fixedly connected with a supporting rod, and a cavity tube is movably connected inside the supporting rod. The hot water pump and the temperature control assembly are started to convey hot fluid into the cavity tube, heat of the hot fluid is transferred to the lens and the periphery, fogging and blurring caused by low temperature are prevented, and when the temperature exceeds a preset value, the water pump is started to pump water to keep the temperature of the lens appropriate; when fluid is conveyed to the cavity tube, stains on the surface of the lens can be flushed, and if interstitial fluid and the like are splashed to the lens in an operation, the lens can be overturned by the rotating assembly so as to be flushed and kept clear; when fluid exists in the cavity tube, light of the lamp ring penetrates through the fluid to be projected on the lens piece, refraction is generated due to different refractive indexes of water and air, light rays can be evenly distributed, shadows are reduced, formed light and shadow changes enable organs and tissues to be more stereoscopic, and position and relation judgment is facilitated.

A tool tip holder includes a deployment mechanism and several tool carriers coupled to the deployment mechanism. Each tool carrier has a tool access end and a base end, and the deployment mechanism is adapted to selectively reconfigure the plurality of tool carriers from a linear or other elongated arrangement into a parallel cluster. The deployment mechanism can be a spring attachment structure that links the tool carriers and folds them into a parallel cluster when released from constraint. Alternatively, the deployment mechanism may be an inflatable structure that arranges the tool carrier into a parallel cluster when inflated.

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 utility model relates to the technical field of abdominal cavity puncture outfits, in particular to a disposable puncture outfit for a laparoscope, which comprises a puncture needle seat, the lower end of the puncture needle seat is fixedly connected with a puncture needle body, the lower end of the puncture needle seat is provided with a coarse vein puncture needle sleeve or a fine vein puncture needle sleeve, and a choke valve is arranged in the middle of the coarse vein puncture needle sleeve. A sealing seat is arranged at the upper end of the choke valve, a sealing cap is fixedly connected to the upper end of the sealing seat, a retaining ring is arranged in the sealing seat and connected with the choke valve in a clamped mode, an I-shaped sealing ring is arranged in the middle of the interior of the retaining ring, a positioning ring is arranged in the middle of the sealing seat, a conical sealing gasket is sleeved with the middle of the positioning ring, and a fan-shaped piece is connected to the upper end of the conical sealing gasket in a clamped mode. A pressing ring is arranged at the upper end of the fan-shaped piece, the two ends of the puncture needle body penetrate through the sealing cap and the sealing seat, an air injection valve connector is arranged at the side end of the coarse grain puncture needle sleeve, and an air injection valve switch is arranged at the lower end of the air injection valve connector.

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.