62 results about "Surgical puncture" patented technology

The invention relates to the technical field of medical instruments, and discloses an interventional ultrasound method and system for minimally invasive surgery, and the method comprises the steps: obtaining ultrasound image data and operation state parameters; a three-dimensional ultrasonic image model is constructed through multi-layer scanning, and an initial tissue feature evaluation model is analyzed and generated; dynamic blood vessel data and operation constraint conditions are loaded, a comprehensive evaluation model is generated, and puncture point dynamic simulation is carried out; constructing a dynamic blood vessel prediction model, training to obtain a puncture point adjustment model, and generating initial adjustment parameters; obtaining dynamic adjustment simulation information based on the parameters and the model; constructing a multi-path optimization model, and carrying out iterative optimization to obtain an optimal path planning parameter; the safety puncture probability is inferred in combination with real-time images, and a real-time puncture strategy is adjusted to achieve dynamic matching. The system comprises a data acquisition module, an image modeling and analysis module and the like. The safety and accuracy of minimally invasive surgery puncture are improved, and the method is suitable for interventional ultrasound guided minimally invasive surgery scenes.

The invention relates to the technical field of puncture needle position guidance, in particular to a method for performing surgical puncture navigation by applying a virtual reality technology. The method comprises the following steps: creating a three-dimensional space model conforming to a real space and a three-dimensional model of a puncture needle; a plurality of points are marked on the puncture path of the puncture needle planned in advance, and the nearest line of the three-dimensional model of the puncture needle close to the puncture path of the puncture needle planned in advance is planned. According to the method, the three-dimensional space model and the real space of the operation are combined together, and the real world and the virtual world are combined, so that a doctor obtains the position of a puncture needle in the three-dimensional space model through MR glasses in the process of puncturing a patient through the puncture needle; when the position of the puncture needle deviates from the pre-planned puncture path of the puncture needle, a path for guiding the puncture needle to move is formed between the puncture needle and the pre-planned puncture path of the puncture needle, so that a doctor can quickly find the puncture position of the puncture needle according to the path.

The invention discloses a spinal interventional operation puncture positioning device, and belongs to the technical field of medical instruments. The spine interventional operation puncture positioning device comprises a positioning net, a positioning frame is installed on the positioning net and comprises a base, the base is connected with the positioning net, a first supporting frame is vertically and fixedly connected to the base, a second supporting frame is vertically and slidably embedded in the first supporting frame, and a movable positioning rod is arranged on the second supporting frame; the positioning frame is provided with an angle positioner, the angle positioner is composed of a first radian rod and a second radian rod, the second radian rod is inserted into the first radian rod in a sliding mode, the adjusting height of the movable positioning rod is consistent with the telescopic height of the telescopic rod, and at the moment, the movable positioning rod, the telescopic rod and the angle positioner are matched with one another to form a movable three-connecting-rod structure; and the puncture assembly is moved to a preset angle position to be matched with the angle positioner for accurate puncture work on the back of the patient.

The utility model relates to the technical field of brake pants, in particular to air bag type TACE postoperative puncture point pressing brake pants which comprise a trouser leg mechanism, an air bag mechanism and an elastic mechanism, the air bag mechanism is fixedly arranged on the surface of the trouser leg mechanism, the elastic mechanism is fixedly arranged on one side of the trouser leg mechanism, and the trouser leg mechanism comprises a fixing circular ring and a first trouser leg. A first trouser leg is arranged at the bottom of the fixed circular ring, a second trouser leg is fixedly arranged on one side of the first trouser leg, and a zipper is fixedly arranged in the middle of the first trouser leg and the middle of the second trouser leg; a combination of a vertical femoral groove belt, an along groin belt, a bandage adjustable end, a bandage fixed end and an operation puncture point is fixedly arranged on the surface of a pillow-mounted air bag of the trouser leg mechanism and the air bag mechanism, and the bottom of the pillow-mounted air bag is fixedly connected with an air valve, an inflation tube and an air bag pressure gauge. Due to the combined design of the air bag inflation end, the purpose that the air bag type TACE postoperative puncture point pressing brake button facilitates puncture inflation treatment is achieved.

The application provides a transjugular intrahepatic portosystemic shunt (TIPS) operation simulation training device, and relates to the technical field of operation simulation training, which comprises a shell, an outer pipe fixedly embedded in the shell, a fixed sheet fixedly installed on the inner wall of the shell, an adjusting bottom plate, a storage bottom slope and a bottom connecting disc fixedly installed on one side of the outer surface of the shell, an anti-collision groove formed in one side of the outer surface of the shell, a recorder fixedly installed on one side of the outer surface of the fixed sheet, a through hole formed in one side of the shell close to the adjusting bottom plate, and a fixed side row, a supporting side row, a supporting row and a first motor fixedly installed on the top of the outer surface of the adjusting bottom plate. The application simulates the movable state of the puncture tube in the cavity by cooperation of the strip-shaped groove, the spring, the pressing switch, the recorder and the through hole, improves the puncture simulation difficulty, improves the effect of TIPS operation puncture training, records the state during puncture, and facilitates subsequent targeted puncture training.

The utility model discloses a surgical puncture guider needle, which comprises a needle part and a threading part, the needle part comprises a needle tip and a transition end extending from the tail part of the needle tip, the threading part is positioned at the tail part of the transition end, and the threading part is provided with a threading hole and a suture accommodating part for accommodating a suture; and the outer diameter of the transition end is greater than that of the threading part. According to the surgical puncture guiding device needle head, the transition section extends out of the tail portion of the needle point, the outer diameter of the threading portion is smaller than that of the transition section, the needle head portion becomes the largest end of the whole puncture needle head, after the puncture needle head penetrates through a sacrospinous ligament, a wound can be as small as possible, and damage to tissue is effectively reduced.

The invention relates to the technical field of hepatobiliary surgery puncture devices, and provides a hepatobiliary surgery puncture device capable of achieving rapid positioning, the hepatobiliary surgery puncture device comprises a puncture auxiliary base, the outer wall of the puncture auxiliary base is fixedly connected with a positioning mechanism, and the outer wall of the puncture auxiliary base is fixedly provided with a positioning buckle; the positioning mechanism comprises a first sleeve fixedly installed on the outer wall of the puncture auxiliary base, the outer wall of the first sleeve is movably connected with an adjusting knob, the outer wall of the adjusting knob is fixedly connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a second winding roller, and the outer wall of the second winding roller is fixedly connected with a positioning bandage. And the outer wall of the rotating shaft is fixedly connected with a ratchet wheel. By rotating an adjusting knob, a second winding roller is driven to rotate, and a positioning bandage is wound, so that the positioning bandage is tightened, the effect of conveniently and rapidly installing and positioning the puncture auxiliary base according to the body type difference of patients is achieved, and thus a puncture needle can more stably perform liver and gall puncture.

The invention relates to the technical field of puncture positioning, in particular to a transforaminal endoscopic surgery puncture positioning device which comprises a placement module, the placement module comprises an operation table and a plurality of mounting rails, a plurality of connecting frames are arranged on the mounting rails, a plurality of limiting frames are slidably arranged on the mounting rails, and a plurality of supporting mechanisms are arranged at the bottom of the operation table. The operation table is provided with a limiting mechanism, and a first positioning mechanism is arranged at the bottom of the operation table and comprises a positioning frame and a first magnet piece. According to the device, a guide pipe is fixedly connected through a first limiting ball, the position of a T-shaped plate on an operation table can be adjusted according to the puncture position and angle, under the action of a first magnet piece, the T-shaped plate can be prevented from moving freely on the operation table as much as possible, and a puncture tool can penetrate through the first limiting ball and the interior of the guide pipe; and the T-shaped plate and the guide tube can play a certain auxiliary fixing role on the puncture tool, so that the operation burden of a doctor can be reduced, the fatigue of the hand can be reduced, and the puncture operation can be smoothly carried out.

The present application relates to the technical field of liver and gall puncture, in particular to a liver and gall surgical puncture device, and the technical scheme adopted by the present application is the liver and gall surgical puncture device, which comprises a cannula puncture needle and a handle, a control mechanism is arranged on the handle, the control mechanism controls the cannula puncture needle to perform puncture and sampling operations, the puncture needle comprises an outer needle arranged on the outside and an inner needle arranged in the outer needle in a telescopic and sliding manner, the rear end of the outer needle is connected with an outer sleeve, the rear end of the inner needle is connected with a sampling mechanism, the sampling mechanism is located in the outer sleeve, an electric telescopic rod is arranged in the outer sleeve, the telescopic end of the electric telescopic rod is connected with the sampling mechanism, the front end of the outer needle is provided with a puncture outlet, and the inner needle can slide out of the puncture outlet. The present application solves the clinical problems of blood vessel mispuncture and postoperative bleeding in the puncture process, and the problems of insufficient sample acquisition, low efficiency, tedious sampling operation and large trauma to patients in the sampling process.

The invention discloses an abdominal cavity operation puncture outfit which comprises a puncture outfit body and further comprises two arc-shaped fixing plates, and the two arc-shaped fixing plates are symmetrically distributed on the two sides of the puncture outfit body. The pedal is treaded by feet, air in the arc-shaped groove is extracted through the air extraction assembly, so that the arc-shaped fixing plates suck the abdominal skin of a patient, the abdominal skin of the patient can be driven to move upwards to cater to the puncture outfit body by pulling the handle with the hand, and meanwhile an operator presses the pressing plate and drives the two arc-shaped fixing plates to deflect and open through the auxiliary assembly. Meanwhile, a puncture opening of the patient is dragged and exposed, so that puncture operation of an operator is facilitated, meanwhile, the linkage assembly is used for driving the two arc-shaped plates to be closed to form a guide channel to guide the puncture outfit body, and then the puncture precision is improved; therefore, the distance between the abdominal skin and the viscera of the patient is increased, the puncture risk is reduced, and meanwhile the operation pressure of medical staff is reduced.

The invention discloses a perfusion type kidney aorta blocking balloon assembly which comprises a balloon, one end of the balloon is communicated with one end of a communicating pipe, an injection pipe is arranged on the inner side of the balloon, the end of the injection pipe extends to the outer side of the balloon, and the ends, away from the balloon, of the injection pipe and the communicating pipe are each provided with a connector. The waterproof piece is slidably arranged outside the communicating pipe in a sleeving mode and comprises a water blocking cover and an adsorption cover, and the water blocking cover and the adsorption cover are arranged outside the communicating pipe in a sleeving mode and can slide along the outer wall of the communicating pipe; the water blocking cover is closer to the balloon than the adsorption cover, and the adsorption piece is used for adsorbing the adsorption cover to the skin surface of a patient. According to the blocking balloon assembly, when a surgical puncture hole for minimally invasive surgery and communicating pipe infusion is exposed, condensed water drops are isolated through the movable waterproof piece, the adsorption cover is tightly attached to the skin through the adsorption piece, the puncture hole is prevented from being polluted by the water drops, and air exposure of a wound is reduced; therefore, the infection probability is reduced and the surgical operation safety is improved.

The present invention relates to an interventional surgical puncture robot, comprising a base device, the bottom of which has a walking device for moving to a target area, a host mounted thereon for receiving information, storing information, processing information, and sending instruction information; the top of the base device supports a head and arm device for completing information recognition and finger positioning, and the robot comprises two robotic arms; one robotic arm end is connected to a first finger device for locating the puncture point of the puncture surgery; the other robotic arm end is connected to a second finger device for puncture; wherein the first finger device and the second finger device are both capable of grasping, replacing, and installing surgical instruments, and the two cooperate to complete the puncture surgery. The present invention realizes robotic puncture surgery, improves the accuracy of puncture, thereby reducing the occurrence of repeated operations due to inaccurate puncture positions, which may cause vascular spasms, and improves the safety of puncture surgery.

The present invention belongs to the field of medical device technology, and specifically relates to a puncture guide device for thoracic surgery, comprising a mounting base, a push portion provided inside the mounting base, and the push portion can slide inside the mounting base; a mounting portion provided inside the push portion, and the mounting portion is driven by the push portion to extend and slide inside the mounting base; an extractor provided inside the mounting portion, and the extractor can be conveniently fixed and installed through the mounting portion; at the same time, the extractor can also be pulled by the push portion, so that the extractor extracts the material at the puncture site; a guide portion is provided at one end of the mounting base, and the interior of the guide portion cooperates with the extraction end of the extractor. The invention allows the extractor to be conveniently disassembled and installed on the device, and the positioning function of the device helps the operator complete the positioning of the patient's thoracic surgical puncture, and then the extractor is driven by the device to perform the extraction operation in the patient's body, without the need for other personnel to assist.

The invention relates to the technical field of surgical medical treatment, and discloses a surgical puncture device which comprises an injection mechanism, an anti-infection mechanism and a storage mechanism, the injection mechanism can prevent the injection direction of a needle from being changed, so that the surrounding tissue can be prevented from being damaged, infection and other complications are reduced, meanwhile, the anesthesia effect is improved, and the operation is convenient. The anti-infection mechanism can effectively prevent bacteria and isolate skin wounds, detect the bleeding condition of the wounds in real time, detect the bleeding condition of the wounds and give a prompt to remind a patient when the wounds are infected with fester or flow out of other liquid, so that further deterioration of illness conditions is prevented; the storage mechanism can enable a patient with a retention pipe on the back to control a wound in real time, so that effective treatment can be performed in time when the wound goes wrong, meanwhile, liquid backflow caused by small height difference between a storage bag and the chest during rest is avoided, the infection probability is reduced, the negative pressure of the storage bag can be controlled, and the negative pressure of the storage bag can be controlled. And the storage condition is detected in real time.

The utility model discloses a laparoscopic surgery puncture outfit, which comprises a puncture sleeve component and a sealing component, the puncture sleeve component comprises a puncture cannula, the puncture cannula comprises a bowl-shaped part, the laparoscopic surgery puncture outfit is characterized in that the sealing component comprises a choke valve, the choke valve is clamped in the bowl-shaped part, and the sealing component is arranged in the bowl-shaped part. The choke valve comprises a valve body, a flange and a pair of choke sheets, the flange is fixedly arranged on the periphery of one end of the valve body, the pair of choke sheets are fixed to the other end of the valve body, the pair of choke sheets are symmetrically arranged and are sunken towards the inner side of the valve body to form inclined concave surfaces, and the inclined concave surfaces are attached to each other to form a linear slot. The choke valve of the surgical puncture outfit is good in air tightness and high in structural strength.

The invention discloses a puncture outfit for an abdominal surgery. The puncture outfit comprises a tube head; the lower portion of the pipe head is fixedly connected with the pipe body, and the pipe head and the interior of the pipe body form a cavity and are communicated; the top cover is rotationally connected to the upper part of the pipe head; the lower portion of the top cover is fixedly connected with the puncture needle, the puncture needle penetrates through the tube head and the interior of the tube body and is attached to the inner wall of the tube body, a clamping block is arranged on the outer wall of the tube body, and the tube body is fixedly connected with the wound suture auxiliary device and an abdominal cavity puncture fixing device through the clamping block. And the other side of the outer wall of the tube body is rotationally connected with an abdominal puncture fixing device through threads. The abdominal cavity puncture fixing device is additionally arranged, a puncture outfit can be effectively fixed, surgical instruments can accurately enter and exit from the abdominal cavity, the situation that internal organs are accidentally injured due to inertia generated when the abdominal cavity is punctured is avoided, the operation difficulty is lowered, the surgical accuracy is improved, and the safety risk can be further lowered.

The invention belongs to the field of medical instruments and discloses an orthopedic surgery puncture outfit which comprises a sleeve and a needle core arranged in the sleeve, an installation column is fixedly installed at the top end of the sleeve, a screw is rotatably installed at the top end of the needle core, a screw hole matched with the screw is formed in the installation column, and a grip is arranged at the top end of the screw. Two symmetrically-distributed handles are fixedly mounted on the side wall of the mounting column, and the side wall of the mounting column is sleeved with a supporting assembly; the supporting assembly comprises a lantern ring arranged on the side wall of the installation column in a sleeving mode, an installation ring is rotationally installed in the lantern ring, and a positioning assembly is arranged between the installation ring and the installation column. Through the arrangement of the supporting assembly, the suction cup is adsorbed to the surface of the human body, the effect of stabilizing the supporting assembly can be achieved, then a worker places the mounting column in the mounting ring, the mounting column is fixed through the positioning assembly, the effect of positioning and fixing the cannula and the needle core can be achieved, and the effect of supporting and stabilizing the cannula and the needle core can be achieved.

The utility model discloses a surgical puncture needle calibration device based on optical tracking, which comprises a to-be-calibrated device, the to-be-calibrated device comprises a puncture needle body, a structure module and a positioning module, and the puncture needle body comprises a sharp end and a connecting end; the structural module comprises a rigid body, the rigid body comprises a connecting piece, a structural piece and a medium channel, and the connecting piece is connected with the connecting end; the positioning module comprises a space positioning piece and a supporting piece, and the supporting piece is connected to the same side face of the rigid body; the calibration device comprises a box body module, a carrying module and a measurement module, the box body module is used for providing support during calibration, the carrying module is used for supporting the puncture needle body, and the measurement module is used for determining the posture and position of the calibration device. The position of the needle point of the puncture needle can be accurately calibrated, the puncture needle can be conveniently and accurately punctured into an affected part, and the optimal treatment effect is achieved.

The present invention discloses an automatic vertebral body puncture and forming device and an orthopedic surgical robot system. Among them, the automatic vertebral body puncture and forming device includes a bottom plate and two surgical tools, namely a puncture unit and a bone cement filling unit, arranged on the bottom plate; the automatic vertebral body puncture and forming device further includes a linear feed unit and a tool replacement unit installed on the bottom plate; the linear feed unit transports the puncture unit or the bone cement filling unit to move forward for puncture operations or for bone cement injection molding operations, or moves backward to return to the tool replacement unit; the puncture unit or the bone cement filling unit performs position replacement on the tool replacement unit to leave or enter the linear feed unit. The automatic vertebral body puncture and forming device of the present invention is used in cooperation with an orthopedic surgical robot to realize intelligent and automatic orthopedic surgical puncture and bone cement injection.

The invention belongs to the technical field of eye surgical instruments, and particularly relates to a surgical puncture knife capable of pumping and injecting intraocular fluid. Comprising a puncture tool bit, a grab handle and an air pump, and the bottom of the puncture tool bit is fixedly connected with the top end of the grab handle; one end of the hole channel is located at the position of the tool bit area, and the other end of the hole channel is located at the bottom of the puncture tool bit; an opening in one end of the flow channel is formed in the top end face of the grab handle and is in butt joint with the through hole channel of the puncture tool bit; an opening at the other end of the runner is formed in the side wall or the bottom end of the grab handle; the other end of the runner is connected with an air pump through a pipeline; the air pump can rotate forwards and backwards to perform liquid pumping and liquid injection operations. The disposable intramedullary nail has the advantages that the disposable intramedullary nail is simple in structure and convenient to operate, liquid suction / liquid injection can be directly performed after one-time puncture action, an extra liquid tube does not need to be inserted into a wound after the tool bit is pulled out, wound expansion is prevented, and surgical risks caused by secondary insertion into an eyeball are reduced.

The present invention provides a minimally invasive surgical puncture and injection device with puncture force and depth sensing functions, comprising a puncture and injection needle, a puncture force sensing module based on an optical fiber sensor, a puncture depth sensing module based on a capacitive grating sensor, a signal processor, and a display module. The puncture force sensing module, which is composed of an optical fiber sensor and is placed inside the puncture and injection needle, can convert the puncture force into a change in light intensity using the front-end FP cavity, and in combination with a reference optical fiber sensor to remove the influence of environmental noise. The puncture force magnitude is obtained by performing a wavelet transformation on the light intensity using a puncture force sensing signal analyzer. The puncture depth sensing module, which is etched circumferentially on the outside of the puncture needle and is based on a capacitive grating sensor, can transmit puncture depth information to the outside of the body through changes in electrical parameters caused by changes in dielectric constant, ultimately obtaining the tissue location of the puncture needle and displaying it on a display via a signal processor to assist doctors in performing puncture and injection surgeries.

The invention provides an intelligent decision support method and device for clinical pathway construction. The method comprises the following steps: acquiring a computed tomography image and a metabolism image; integrating the tumor morphological data, the volume data and the metabolic activity data to generate a radiomics tag; performing microvascular tomography on the target surgical puncture path to generate microvascular density distribution data; performing tumor subregion segmentation processing on the computed tomography image to obtain tumor subregion data, and generating sensitivity distribution data based on the data; identifying a high-risk blood vessel region, generating a roundabout trajectory in the target surgical puncture path, and accordingly obtaining an optimized path scheme and a postoperative medication sequence scheme; and cooperatively integrating and processing the optimized path scheme and the postoperative medication sequence scheme, and generating clinical path decision data. According to the technical scheme provided by the invention, the operation path and the medication time sequence are collaboratively optimized through the multi-source medical data, and intelligent decision-making of the clinical path of tumor interventional therapy is realized.

The invention belongs to the technical field of medical surgical instruments, and discloses an endoscopic surgery puncture device which comprises a puncture outfit and a limiting assembly, the puncture outfit comprises a cannula and a puncture cone penetrating through the cannula, the limiting assembly comprises a sliding sleeve, the sliding sleeve is slidably connected to the outer wall of the cannula in a sleeving mode, and a limiting ring is connected to the lower portion of the sliding sleeve; the sliding sleeve is formed by combining a plurality of arc-shaped pieces, and the sliding sleeve is connected with a conical nut through threads; the conical nut is rotated, and the conical nut moves in the axial direction of the sleeve, so that the effective inner diameter of the sliding sleeve is decreased. Through mutual cooperation of the sliding sleeve, the limiting ring and the conical nut, the position of the limiting ring on the puncture outfit can be adjusted at will according to the pre-insertion depth, and the situation that the puncture cone advances due to inertia to puncture organs can be avoided.

The utility model provides a kidney paracentesis postoperation waist and abdomen pressurizing anti-bleeding bandage which comprises a bandage body, and a plurality of through holes are evenly formed in the bandage body. A pressing cotton cushion is arranged on the bandage main body through a mounting structure; the bandage main body is further provided with a fixed connecting piece, and the fixed connecting piece is used for fixing the bandage main body on the waist of the patient, so that the pressing cotton cushion installed on the bandage main body presses a puncture point of the kidney paracentesis on the waist of the patient, and the bleeding prevention effect of the puncture point is achieved; the number of the through holes is multiple, and the through holes are evenly distributed in the bandage body, so that the position of the pressing cotton cushion can be adjusted as required according to the position of an operation puncture point of a patient; due to the fact that the through holes are evenly formed in the bandage body, when the bandage body is bound to the waist of a patient, the air permeability is good.

The utility model provides a single-hole laparoscopic surgical puncture device, including a fixed tube, a movable tube and a connecting seat, the center of the connecting seat is fixed with a fixed tube through bolts, the fixed tube is movably connected with a movable tube, one side of the fixed tube is provided with an adjustment cavity, the fixed tube is fixed with a bearing seat through bolts at the centers of both ends of the adjusting cavity, a screw is fixed with bolts between the central movable parts of the bearing seat, and an adjustment block is threadedly connected with the screw. The adjustment block on the screw can move back and forth under the activity limitation of the adjustment rod and the limit groove during the rotation process, and the movable tube can be moved in the fixed tube through the adjustment rod during the movement of the adjustment block, and the distance between the movable tube and the fixed tube can be adjusted, which meets the use requirements and is simple and convenient to operate. The T-shaped skin contact plate can achieve a buffering effect under the action of the spring and the damping telescopic rod, avoiding a stiff impact on the patient's body part, improving the patient's comfort performance, and having high practical value.

The invention provides a gastrointestinal surgery abdominal cavity operation puncture device, and relates to the field of abdominal cavity puncture operations. The gastrointestinal surgery abdominal cavity operation puncture device comprises two device blocks, cavities are formed in the middles of the front ends and the rear ends of the two device blocks, adjusting assemblies are fixedly arranged in the four cavities, and elastic bands are fixedly arranged at the upper ends of the four adjusting assemblies in pairs. A puncture plate is fixedly arranged in the middles of the upper end faces of the two device blocks, a through hole is formed in the middle of the upper end face of the puncture plate, electric guide rails are fixedly arranged on the two sides of the through hole, buffer assemblies are fixedly arranged at the lower ends of the two electric guide rails, and pull belts are fixedly arranged between the two electric guide rails. A movable sleeve is fixedly arranged between the two pull belts, and sliding assemblies are fixedly arranged on the upper portions of the two sides of the movable sleeve. By means of the puncture device, puncture treatment is more stable when a patient is subjected to puncture treatment, and the puncture position of the puncture device can be conveniently adjusted.

The invention discloses a telescopic smoke suction device for a multi-channel single-hole endoscopic surgery puncture outfit, an effective fresh air replacement system is formed among an air inlet, a smoke generation point and a smoke suction port by adopting a circulating ventilation mechanism of short pipe air intake and long pipe deep air suction, and the long pipe adopts a telescopic stretching smoke suction pipe or a folding telescopic smoke suction pipe. The telescopic stretching smoke suction pipe is composed of a connecting port, an anti-falling check ring, side wall smoke exhaust holes, a top end anti-closing hole and a following traction ring, the telescopic stretching smoke suction pipe penetrates through the smoke pipe sealing sheath, the anti-falling check ring is of a pipe outer wall protruding structure and is located on the inner side of the smoke pipe sealing sheath, it is guaranteed that the smoke suction pipe slides in a telescopic mode and cannot be excessively pulled out or fall off, and the smoke exhaust holes are formed in the periphery of the smoke suction pipe. Smoke generated by blood clotting or electric resection can be efficiently sucked out in time, the front end of the forceps rod can be clamped or the front end of the parallel instrument forceps rod can be worn to suck smoke according to needs, and the clarity of the operation view and the operation safety are guaranteed.

The utility model relates to a puncture trocar for laparoscopic surgery. 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 suitable for people with different figures or patients with different abdominal wall thicknesses; and the fixing firmness of the puncture trocar is ensured.

The present application relates to the technical fields of abdominal operation puncture, in particular to a kind of abdominal operation puncture device, including sleeve assembly and puncture assembly, the sleeve assembly includes outer sleeve, air inlet shell and air inlet pipe, the air inlet shell is communicated with outer sleeve top end, one end of the air inlet pipe is communicated with air inlet shell;The puncture assembly includes puncture needle tube, miniature camera and puncture needle stable push-in assembly, the puncture needle tube is slidably penetrated through air inlet shell and outer sleeve, and the end of puncture needle tube far from outer sleeve is puncture end, the puncture needle tube is made of transparent material;When the present application is used, puncture assembly and sleeve assembly can be stably punctured respectively, can avoid the phenomenon that tissue damage, bleeding, liver injury and postoperative complication occur due to the resistance or too small during puncture, further guarantee subsequent operation stable.

The invention relates to the technical field of medical equipment, in particular to a spinal surgery puncture locator which comprises a support, and an adjusting assembly used for adjusting the position of a puncture point is arranged on the support. The adjusting assembly comprises arc-shaped plates fixedly connected to the top of the support in the circumferential direction, and the arc-shaped plates are in sliding fit with moving plates. Arc-shaped rods are fixedly connected to the sides, away from the arc-shaped plates, of the moving plates and are vertically mounted in a staggered manner; a rotating ball is rotationally matched with the joint of the arc-shaped rods, and a guide rod is fixedly connected to the rotating ball in a penetrating mode. A supporting assembly used for supporting the rotating ball to move is arranged on the arc-shaped rod close to the support. The support is provided with a driving assembly used for driving the moving plate to move. The rotating ball is provided with a clamping assembly used for clamping the angle of the rotating ball. The angle of the rotating ball can be locked through the clamping assembly, automatic design of the position of a puncture point is achieved in combination with use of the driving assembly and path generation of an intelligent algorithm, and therefore the success rate and accuracy of an operation are improved.