512results about How to "Improve surgical efficiency" patented technology

The invention relates to the field of medicine, and discloses a thyroid nodule surgical operation planning and navigation system based on artificial intelligence, which comprises a multi-modal medical image acquisition module, an image preprocessing and enhancing module, an intelligent anatomical structure analysis module, an operation planning decision module and an intraoperative real-time navigation module, the multi-modal medical image acquisition module is used for integrating data of various image equipment such as ultrasonic equipment, CT equipment and MRI equipment, and space-time consistency of multi-modal images is ensured. According to the thyroid nodule surgical operation planning and navigation system based on artificial intelligence, the real-time calculation problem is solved, the system delay is reduced, which is crucial to real-time navigation in an operation, the real-time performance and the operation efficiency are improved, the operation time is shortened, and complications are reduced; by integrating the advantages of different images, the system can provide more comprehensive dissection views, help doctors to more accurately position nodules and important structures and avoid injury to nerves and blood vessels, so that the accuracy is improved, and the surgical risk is further reduced.

The invention relates to the technical field of force feedback handles, in particular to a remote surgical robot control system based on a force feedback handle and a control method thereof. The method comprises the following steps: carrying out multi-dimensional force data acquisition on an end effector of the surgical robot, and carrying out contact force size, direction and time sequence feature extraction to obtain multi-dimensional force feature data; performing surgical operation safety baseline analysis according to the multi-dimensional force feature data to generate surgical operation safety baseline data; performing dynamic force feedback threshold calculation according to the surgical safety operation baseline data to obtain force feedback threshold range data; and performing adaptive compression processing on different force feedback signals according to the force feedback threshold range data to obtain dynamic force feedback control parameters. Through real-time control instruction optimization and a closed-loop feedback strategy, the system can quickly respond to an operation intention, early warning is carried out on potential risks, and it is ensured that the operation process is safer and more reliable.

The present invention relates to the technical field of medical devices, and in particular to a plastic surgical instrument. The present invention provides a plastic surgical instrument, comprising a control part and a working part and an extension part connecting the control part and the working part, the working part comprising a first inner pull rod and a clamp seat, the clamp seat is fixedly connected with an execution component for surgical operation, the first inner pull rod can make a reciprocating linear motion along the axial direction of the clamp seat, the control part comprises a second inner pull rod, the first inner pull rod and the second inner pull rod are connected to each other, and the first inner pull rod can make a relatively independent rotational motion along the second inner pull rod, the plastic surgical instrument can achieve 360-degree shaping needs and meet the needs of clinical shaping at various angles.

The invention relates to a zero-exchange balloon catheter stent system with a far-end protective umbrella and a using method, and belongs to the technical field of medical instruments. Comprising a balloon catheter and a stent system which are connected, the stent system comprises a conveying system and a stent; the conveying system comprises a control core wire; the center of the control core wire is provided with a connecting binding wire fixing hole and a connecting binding wire releasing point; the support comprises a near-end support, a connecting area and a far-end protective umbrella, and the connecting area is located between the near-end support and the far-end protective umbrella; the connecting area comprises a connecting binding wire, a protective umbrella wire binding ring and a protective umbrella connecting wire. The far-end protection umbrella and the near-end support are designed to be a separable combination, instrument exchange is not needed in the operation process, the operation process is simplified, the operation difficulty is reduced, the operation time is shortened, and therefore the risk of complications such as ischemic stroke is reduced.

The invention relates to the field of medical instruments, in particular to a multifunctional vagina operation dilator. Comprising an upper opening and closing structure, a lower opening and closing structure, an upper expansion part and a lower expansion part, the lower expansion part is provided with a bearing cavity, and the lower expansion part further comprises a grabbing part; an auxiliary device is arranged in the grabbing part, and the bearing cavity communicates with the auxiliary device through the continuous channel. The dilator is used for solving the problems that a dilator is single in function and cannot be matched with other functions, and an existing dilator is poor in use feeling. The dilator is kept sanitary before entering a vagina operation; cut objects or sampled objects in the operation process are received, and the operation efficiency is improved; the dilator is flexibly adapted to vaginas of different patients, so that the lower dilating part is adjusted as the optimal operation position, and the use feeling of the dilator is improved; by means of the auxiliary device, labor-saving fixing of the grabbing part is achieved, and the dilator can be matched with multiple functions under the condition that the installation space of tools does not need to be additionally increased.

The invention relates to the technical field of medical instruments, and provides a control method, system and device of a pneumoperitoneum machine and the pneumoperitoneum machine. The control method of the pneumoperitoneum machine comprises the following steps that monitoring pressure read by the pneumoperitoneum machine is obtained; when the monitoring pressure is larger than a first pressure threshold value and the maintaining duration is larger than or equal to a first preset duration, the pressure change rate within the first preset duration is obtained; if the pressure change rate is larger than a first pressure change rate threshold value, expected fluctuation is judged, and a first adjusting program is started; and if the pressure change rate is smaller than or equal to the first pressure change rate threshold value, continuous change is judged, and a second adjustment program is started. The reasons of overpressure are distinguished more meticulously according to the pressure change rate, so that different adjusting programs are adopted, the overpressure condition of expected fluctuation can be adjusted in a targeted mode, and the problems that the loss of equipment parts is high, and the time consumed by equipment pressure stabilization is long are solved.

The invention provides a steam ablation system which comprises a steam executing mechanism, an image planning module and a motion control module. The steam needle assembly can conduct linear motion in the axial direction, rotary motion in a cross section perpendicular to the axial direction, stretching motion of a needle head from an outlet of the steam needle to a treatment site in the direction approximately transverse to the axial direction, and ejection motion of steam from a steam outlet needle hole of the steam needle. The image planning module is used for determining planning parameters, the planning parameters comprise a preset number of needle withdrawing point positions and preset parameters of each needle withdrawing point position, and the preset parameters of each needle withdrawing point position comprise a preset needle withdrawing position, a preset needle withdrawing angle, a preset needle withdrawing length and a preset steam action range; and the motion control module is used for converting the planning parameters of the image planning module into execution parameters and driving and controlling the steam needle assembly to act according to the execution parameters, so that the operation precision and efficiency are improved.

The utility model relates to the technical field of medical instruments, in particular to an air inlet channel and a single-hole multi-channel puncture outfit. According to the air inlet channel and the single-hole multi-channel puncture outfit, the shapeable or prefabricated smoke exhaust device is arranged, the position of the smoke exhaust hole is transferred to the position over an operation area from the position under a single-hole protector, an opening of the air inlet connector faces upwards or inclines upwards, and the air inlet channel and the single-hole multi-channel puncture outfit are lifted at the same time in the air inlet dimension and the smoke exhaust dimension. The smoke exhaust effect of the whole single-hole multi-channel laparoscope protector is guaranteed, the influence of smoke on the operation view of a doctor in an operation is reduced, and the operation safety is improved.

The invention discloses an electric anastomat with a novel bending mechanism. The electric anastomat comprises a cannula module and a bending mechanism, a device body module; the rotating module is arranged on the periphery of the near end of the sleeve module and comprises a rotating shell and a bending mechanism installed on the rotating shell, a steering rod is arranged between the outer sleeve and the inner sleeve, the near end of the steering rod is in transmission connection with the bending mechanism, and the far end of the steering rod is movably connected with the steering control mechanism; the bending mechanism comprises a bending driving sliding block in axial sliding fit with the outer sleeve, a bending gear connecting rod rotationally arranged on the rotating shell, a bending driving assembly driving the bending gear connecting rod to rotate and a driving sliding shaft connecting the bending driving sliding block and the bending gear connecting rod. The driving sliding shaft is driven by the bending gear connecting rod to move in the axial direction of the outer sleeve, and the near end of the steering rod is fixedly connected with the bending driving sliding block. According to the electric anastomat with the novel bending mechanism, bending operation is convenient and fast, safety and reliability are achieved, and operation safety is improved.

The invention relates to the technical field of pelvic minimally invasive surgeries, and particularly discloses a device for establishing a pelvic crista iliaca external fixation frame screw channel, which comprises a sleeve I and a sleeve II sleeved on the inner side of the sleeve I. A conical tip and a probe with a blunt bottom are further arranged in the sleeve I. The probe is slidably sleeved on the conical tip. The side wall of the probe is in sliding contact with the inner side wall of the sleeve II; the top of the conical tip is fixedly provided with a hand cone, the hand cone is sleeved with a first annular shell in a sliding and sealing mode, the outer side wall of the first annular shell is fixedly sleeved with a second annular shell, and the outer side wall of the second annular shell is in sliding contact with the inner side wall of the first sleeve; a plurality of through holes are formed in the side wall, close to the bottom, of the first annular shell. According to the device, the conical tip, the probe and the sleeve are integrally designed, meanwhile, on the operation level, medical staff only need to continuously push the handle downwards and finally hold the handle to pull out the handle, a pelvic crista iliaca external fixation screw channel can be established, and the efficiency of establishing the screw channel is greatly improved.

The visual Eustachian tube examination and treatment device with the suction function comprises an Eustachian tube endoscope, a sheath tube indexing and transposition locking assembly and a balloon assembly, wherein the balloon assembly is arranged between the sheath tube indexing and transposition locking assembly and the Eustachian tube endoscope. The sealing joint assembly of the balloon assembly is installed in the sheath tube indexing transposition locking assembly, the assembly is located outside the human body in the treatment process, the size of the sealing joint assembly can be properly enlarged according to the technological conditions, and the manufacturing difficulty of the balloon assembly is reduced; by changing the length of the sealing joint, the combination of the balloons with different lengths and the same endoscope is realized, and the endoscope is used for treating different patients; according to different relative positions of the treatment ear and the doctor caused by the lying position of the patient, the angle of the sheathing canal and the endoscope is adjusted; the balloon hollow tube is located in the sheath tube and forms a suction channel with the sheath tube, the end of the sheath tube is a suction inlet, and a suction tube externally connected with a negative pressure suction device is arranged on a sealing connector assembly in the balloon assembly, so that the nasal cavity aspirator has the suction function of cleaning hydrops in the nasal cavity.

The invention discloses a voice interaction control method and a voice interaction control system for ear-nose-throat operation power equipment. The voice interaction control method comprises the following steps: S1, acquiring voice data; s2, recognizing the voice data and analyzing the voice data into a control instruction, wherein the control instruction comprises at least one of an operation mode instruction, a motor rotating speed instruction or a steering control instruction; s3, synthesizing instruction confirmation voice according to the control instruction, and playing and outputting the instruction confirmation voice; and S4, setting operation parameters of the power equipment according to the control instruction. The ear-nose-throat operation power equipment is controlled by adopting a voice interaction control method, a surgeon can regulate and control the operation parameters of the equipment by himself / herself according to actual requirements, nurses in an operating room do not need to be matched with manual setting, misoperation of information transmission is reduced, and the operation efficiency is improved. Fine parameter adjustment can increase the degree of freedom of surgery operation of doctors, the doctors concentrate on completing various high-difficulty surgeries, errors caused by manual setting are reduced, and the safety of the surgeries is greatly improved.

The invention discloses an efficient water-cooling circulating radiofrequency ablation needle which comprises a radiofrequency ablation needle body, an ablation needle handle, a Y-shaped water tank, an outflow pipe, an external outflow pipe, an inflow pipe, an external inflow pipe, an inner needle cooling liquid inflow pipe, a temperature thermocouple, an inner needle galvanic couple wire, a radiofrequency needle positive electrode connecting wire, a negative electrode patch and the like. According to the invention, more efficient water-cooling circulating cooling of the tip of the radio frequency needle is realized by adopting an efficient convection water-cooling circulating structure design; the needle tip part of the radiofrequency ablation electrode adopts a novel development structure or an ultrasonic development coating, so that the development of the needle tip part of the electrode under ultrasonic guidance can be remarkably improved; a spiral nut double-sealing-ring buckle structure is innovatively designed for the water circulation Luer taper of the radiofrequency ablation needle, and the sealing performance and stability of a water pipe connector are remarkably improved; the radiofrequency ablation electrode needle has an efficient and stable water-cooling circulation system and development positioning.

An adjusting prosthesis effectively solves the problems that when an existing wrist joint prosthesis is used, control and adjustment are inconvenient, and the fixing process is tedious and inconvenient. Comprising a main connecting block, the upper side of the main connecting block inclines in a left-low right-high mode, the upper end face of the main connecting block is an arc-shaped face which is sunken downwards, a hemispherical fixing sleeve is fixed to the lower side in the main connecting block, a sphere is arranged in the fixing sleeve, and the lower end of the sphere extends out of the fixing sleeve and is fixedly provided with a guide cylinder; the outer side of the guide cylinder is sleeved with a plurality of supporting pieces evenly distributed in the up-down direction, the projections of the supporting pieces in the front-back direction can form a big-end-up trapezoid, the projections of the supporting pieces in the up-down direction are oval, a threaded column capable of rotating in the up-down axial direction is arranged in the guide cylinder, and the lower end of the threaded column is in threaded connection with an extension cylinder. The lower end of the extension cylinder penetrates through the guide cylinder; the device is simple in structure, convenient to operate, novel in conception and high in usability.

The invention provides a pulse assembly, a suction valve, an endoscope and an implantation system, and relates to the field of medical instruments.The pulse assembly comprises a communication part provided with a channel, the channel is provided with an inlet, a first outlet and a second outlet, and the inlet is used for being communicated with an instrument tube and / or a sheath tube; the shielding piece is movably arranged on the communicating part, and the shielding piece can intermittently block the first outlet under the movable condition; and the driving part is used for driving the shielding part to move, so that the first outlet is intermittently blocked. Compared with the prior art, the device has the advantages that pulse control over the flow speed of washing liquid is achieved, the stone removing efficiency in the operation process is remarkably improved, meanwhile, different operation requirements can be flexibly met, the operation time is effectively shortened finally, and discomfort and risks of a patient are reduced.

The invention discloses a novel multi-adaptive guide sheath and application thereof. The novel multi-adaptive guide sheath comprises a guide sheath tube body, a guide sheath tube tail end joint connected with the guide sheath tube body, and an optional guide sheath tail end connector which is quickly assembled and separated from the guide sheath tube tail end joint through a quick conversion joint; the quick conversion connector comprises a first valve body connected with a connector at the tail end of the guide sheath tube and a second valve body connected with a connector at the tail end of the optional guide sheath. A first valve element moving front and back in the axial direction of the first valve body is arranged in a cavity in the rear portion of the first valve body, and a second valve element moving front and back in the axial direction of the second valve body is arranged in the second valve body. When the second valve body is inserted into the cavity in the front of the first valve body and then locked by the locking mechanism, the first valve element and the second valve element are connected, and hollow channels in the first valve element and the second valve element are communicated. The guide sheath tube is changed into a replaceable accessory, and the tail end connector can be quickly connected with various devices, so that the adaptability and the use efficiency of the guide sheath are improved, and the operation efficiency and the safety are improved.

The invention relates to the technical field of medical apparatuses and instruments, and provides a limb traction device which comprises a traction seat used for fixing a limb of a patient and provided with a mounting via hole and a rotating hole, and the rotating hole and the mounting via hole are arranged at an interval and communicate through a mounting window; the basic shaft is arranged in the mounting through hole in a penetrating manner and is provided with a rack extending in the axial direction of the basic shaft; the driving mechanism comprises a rotating shaft rotationally connected into the rotating hole, a driving gear fixed to the rotating shaft and a clutch locking mechanism arranged on the rotating shaft; the driving gear is positioned in the rotating hole and is meshed with the rack through the mounting window; the clutch locking mechanism is matched with the traction seat, has a locking state and an unlocking state, and is provided with a driving end for receiving driving force; in the locking state, the clutch locking mechanism is in limiting fit with the traction seat to limit rotation of the rotating shaft; when the driving end receives driving force, the clutch locking mechanism and the traction seat are separated from limiting fit to be switched to an unlocking state, so that the rotating shaft drives the driving gear to rotate, and the traction seat is driven to slide along the basic shaft.

The invention discloses an automatic pre-operation frame calling system based on artificial intelligence, which relates to the technical field of medical instruments and comprises an image acquisition module, an image processing module, a bleeding detection module, a frame calling logic module and a user interface module, the image acquisition module is used for acquiring operation image data of a patient in real time in the endoscopic operation process, real-time image signals in an operation scene are acquired and transmitted through a high-definition camera or related medical imaging equipment, and the image acquisition module is connected with the image processing module. A clear operation view can be obtained without manual operation of a doctor, the burden of the doctor is reduced, the operation process is simplified, and the operation accuracy is improved.

The application provides a markable microcatheter for neurointerventional surgery, comprising: a main body tube having a distal end for going deep into the body of a patient and a proximal end opposite to the distal end, a catheter channel being arranged in the main body tube, the hardness of the main body tube being gradually increased in the direction from the distal end to the proximal end; the at least six developing parts are uniformly arranged in the axial direction of the far end of the main body tube along a preset mapping distance, and the preset mapping distance is 4-6 mm; through the at least six developing parts, the main body tube is developed when entering the tumor opening position of the aneurysm cavity so as to map the width of the tumor opening. The problem that in the prior art, a micro catheter cannot map the width of a tumor opening is solved. Meanwhile, the device can also be used for measuring the lengths of narrow and closed sections during thrombolysis and thrombectomy, and accurate selection of thrombectomy stents and narrow stents is facilitated.

The invention discloses a pair of surgical clip running-firing ligature forceps which comprises a fixed handle, a handle, a push-pull rod, a clip bin rod and a forceps head, surgical clips are arranged in the clip bin rod, the ligature forceps further comprise an outer sleeve arranged outside the clip bin rod in a sleeving mode and a clip pushing elastic piece arranged on the clip bin rod in a sliding mode, and a transverse cylinder is formed at one end of each surgical clip; a plurality of push-out elastic pieces obliquely extending towards the front end of the inner wall of the bin clamping rod are formed on the push-clamp elastic pieces, push-out limiting openings which are integrally in a semi-arc shape and abut against and limit the transverse column body are formed in the front ends of the push-out elastic pieces, and a plurality of anti-retreating elastic pieces obliquely extending towards the front ends of the inner walls of the push-clamp elastic pieces are formed on the bin clamping rod. The front end of the anti-retreating elastic piece is provided with an anti-retreating limiting opening which is integrally in a semi-arc shape and abuts against and limits the transverse column body. A plurality of surgical clips can be contained and accurately and stably pushed out, falling is prevented, the safety of an operation is effectively improved, the triggering design of the handle is beneficial for a user to control the pushing-out condition, and the operation is facilitated.

The utility model discloses an adjustable knotless orthopedic ligament reconstruction internal implant, which belongs to the technical field of orthopedic implants and comprises a fixing plate, a fixing ring device and a fixing line, and a pair of first threading holes is arranged in the middle of the fixing plate; the fixing ring device comprises a fixing ring and a button fixing piece, the button fixing piece comprises a button body and a retaining ring located on the inner side of the button body, a second threading hole is formed in the retaining ring, a containing groove used for containing the button body is formed in the fixing ring, and a through hole allowing the retaining ring to penetrate out is formed in the bottom wall of the containing groove; the fixing line is wound in the first threading hole and the second threading hole to form a loop ring, the two ends of the fixing line penetrate through the bottom wall of the containing groove and then penetrate out of the containing groove from the side face of the containing groove, and clamping points used for clamping the two ends of the fixing line are formed between the containing groove and the button body. The device is high in tensile strength, accurate in ligament reconstruction positioning and good in fixing effect.

The invention discloses an operating shadowless lamp automatic control system and method based on radar induction, and belongs to the technical field of automatic control systems.The operating shadowless lamp automatic control system collects operating data of doctors, analyzes complex operating conditions of the doctors according to the operating data of the doctors, collects operating information of the patients, and controls the operating shadowless lamp according to the operating information. The method comprises the following steps: analyzing patient operation complex conditions according to patient operation information, matching the initial brightness of an operation shadowless lamp according to the patient operation complex conditions and doctor operation complex conditions, collecting operating room illumination data, and analyzing illumination influence conditions according to the operating room illumination data; according to the method, the complexity of an operation is comprehensively analyzed according to the operation condition of a doctor and the operation condition of a patient, the initial brightness is matched, the optimal illumination condition is analyzed in combination with auxiliary illumination and the reflection influence of equipment, the operation shadowless lamp is automatically controlled and adjusted to the optimal brightness, and the brightness of the operation shadowless lamp is adjusted to the optimal brightness. The adjustment precision can be improved, so that the operation efficiency of doctors is improved.

The invention provides a high-power optical fiber laser treatment system which comprises a rack body, a signal control module, a treatment scheme management module, a signal driving module, an optical fiber laser assembly and a constant temperature control module. The signal control module, the treatment scheme management module, the signal driving module, the optical fiber laser assembly and the constant temperature control module are all installed on the machine frame body, and the optical fiber laser assembly comprises a semiconductor pump laser, a thulium-doped optical fiber, a coupler, a transmission optical fiber and an aspherical lens. The semiconductor pump laser, the thulium-doped optical fiber, the coupler and the transmission optical fiber are in light path connection, the central axes of the semiconductor pump laser, the coupler, the thulium-doped optical fiber, the transmission optical fiber and the aspherical lens coincide, the therapeutic scheme management module is in communication connection with the signal control module, and the signal driving module is in communication connection with the signal control module. The semiconductor pump laser is in communication connection with the signal driving module, and the constant temperature control module is in communication connection with the signal control module and the fiber laser assembly.

The invention discloses an intelligent auxiliary system for microsurgery in the field of medical auxiliary systems, which is characterized in that a sensor and an image recognition device are integrated to monitor the action posture of medical personnel, and the medical imaging technology and the sensor technology are utilized to monitor the information of the surgical site of a patient; based on a machine learning algorithm and a big data analysis technology, learning action posture data of the medical staff in a historical operation process, and establishing an operation action posture model of the medical staff; according to monitored medical staff action posture information and patient operation site information, combined with the established model, the operation action posture needed by medical staff is predicted, real-time response is achieved, and the supporting device and the operation instrument are automatically adjusted through the controller. The system has the advantages of improving operation precision and efficiency, relieving burden of medical staff, enhancing operation safety, improving operation collaboration, promoting medical technology innovation and development and the like, and intelligent auxiliary operation can be conveniently carried out during microsurgery.

The invention discloses a laparoscopic surgery suture device, which relates to the technical field of medical instruments, and comprises a shell, a forceps seat arranged at the front end of the shell, a forceps clip assembly arranged on the forceps seat, and a movable handle, a fixed handle and a reset reed which are arranged at the rear end of the shell, the forceps clip assembly comprises a rotating shaft rotationally mounted on the forceps seat, and a first forceps clip arm and a second forceps clip arm which can be relatively rotationally mounted on the rotating shaft; the forceps clip assembly is provided with a squeezing assembly used for squeezing a notch, and the squeezing assembly comprises a driving part which is installed on the arc-shaped outer wall of the first forceps clip arm and the arc-shaped outer wall of the second forceps clip arm in a mirror image mode; and the driven piece is slidably connected to the first forceps clip arm and the second forceps clip arm, and the bottom surface of the driven piece is fixedly connected with a supporting spring. Effective extrusion of an incision can be achieved in the suturing process, the situation that the incision is sutured only through the pulling force of a suture line is avoided, and therefore the wound closing stability and the healing effect are remarkably improved, and tissue damage is reduced.

The invention discloses an atrial septum puncture training model and method, and belongs to the technical field of medical instruments. The puncture needle is connected with the puncture sheath, the puncture needle is connected with the wire, the binocular camera is connected with the control element and the display screen, the 3D heart model comprises a left atrium, a right atrium, a ventricle, a magnetic iron block and an electromagnetic coil, a port of the 3D heart model is composed of a ferromagnet and three red mark points, and the binocular camera and the white light light source are placed above the 3D heart model. A trumpet-shaped opening and an electromagnet catheter are placed at an ideal puncture point of the 3D heart model and used for simulating the force in the puncture process, and the binocular camera and the puncture point interface are connected with the controller and the screen. By simulating the anatomical structure and physiological environment of a real human body, a safe practice platform capable of being repeatedly operated is provided for medical staff.

The invention relates to a scalpel, a scalpel cutting depth tracking method, system and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the steps that in the operation process of a scalpel, state information of a target scalpel after rotation is obtained; the state information after rotation comprises angular velocity information after rotation; determining post-rotation space coordinate information of the target scalpel according to the post-rotation angular velocity information and a preset data fusion algorithm; and determining the cutting depth of the target scalpel according to the space coordinate information after rotation and the original space coordinate information of the target scalpel, and outputting the cutting depth. By adopting the method, the operation efficiency can be improved.

The invention discloses a plasma tissue dissociation knife, and relates to the technical field of medical instruments. In order to solve the problems that when an existing endoscopic surgery relates to a plurality of instruments, the instruments need to be frequently switched for surgical operation, and the surgical efficiency is reduced, the following technical scheme is provided: the endoscopic surgical instrument comprises a tool bit, a tool bar, a handle and a cable which are connected in sequence; the cutter head comprises a blade telescopic assembly arranged on the head portion, an endoscope guide tube and a cutter head telescopic control mechanism are arranged in the handle, and the cutter head telescopic control mechanism drives a blade in the blade telescopic assembly to stretch out and draw back through a transmission piece. The positive cable extends to the tool bit to be connected with the blade telescopic assembly, the negative steel pipe is connected with the negative cable, and double-frequency emitter cutting is formed at the blade; the suction channel arranged in the cutter bar is used for flushing the surgical field and sucking turbid liquid in the operation. Compared with a traditional cold instrument, cutting efficiency, bleeding amount control, clear surgical field, cutter bar size optimization, cutting flexibility, sealing performance, operation convenience and the like are remarkably improved.

The invention discloses an electric endoscopic cutting anastomat, which comprises an anastomat body module and an anastomat body module, the cutting driving mechanism is used for driving the jaw to cut and comprises a cutting driving motor, a planet wheel assembly in transmission connection with the cutting driving motor and a cutting rack in transmission connection with the planet wheel assembly; the closing driving mechanism is used for driving the jaw to be opened and closed and comprises a closing rack, a closing connecting rod elastically connected to the closing rack in a pressed mode and a transmission gear assembly used for enabling the closing rack to be in transmission connection with the planet wheel assembly. When the locking pin mechanism is located at the first locking position, the cutting rack is locked, the closing rack is driven by the planet wheel assembly to achieve closing or opening of the jaw, when the locking pin mechanism is located at the second locking position, the closing connecting rod is locked, and the cutting rack is driven by the planet wheel assembly to achieve feeding or retracting of the cutting knife. The electric endoscope cutting anastomat is simple in structure, convenient to operate and low in cost.

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.