33 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 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 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 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 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 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 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 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 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 gastrointestinal surgery abdominal cavity operation puncture device comprises an extrusion base and a puncture needle, adjusting arms are symmetrically and fixedly connected to the two sides of the extrusion base, limiting sliding grooves are formed in the lower portions of the adjusting arms, limiting sliding blocks are slidably installed in the limiting sliding grooves, supporting arms are connected to the lower portions of the limiting sliding blocks in a clamped mode, and the supporting arms are connected to the lower portions of the supporting arms in a clamped mode. A clamping block is fixedly connected to the other end of the supporting arm, a pressure sensor is fixedly connected to the extrusion base, a grip is fixedly connected to the pressure sensor, a two-way threaded shaft is rotationally installed in the extrusion base and the adjusting arm, a rotary knob is fixedly connected to one end of the two-way threaded shaft, and a threaded sleeve block is installed in the limiting sliding block in an embedded mode; and the threaded sleeve block is in threaded fit with the bidirectional threaded shaft. The pressure sensor is used for detecting force applied by puncture, when the puncture needle penetrates through the wall layer peritoneum to enter the abdominal cavity, resistance is obviously reduced, the pressure sensor can send signals to the control main board, the control main board is used for sending the signals to the loudspeaker to generate voice information, and an operator is warned to continue inserting.

1. Name of the product of this design: An electronic device with a graphical user interface based on a technical system of virtual reality surgical puncture navigation. 2. Purpose of this design product: used for display, human-computer interaction, program running and demonstration. 3. The key design points of this design product lie in the content and layout of the graphical user interface on the screen. 4. The picture or photo that best illustrates the key points of the design: main view. 5.Omit the rear view, left view, right view, top view and bottom view. 6. Purpose of the graphical user interface: Medical imaging data is used to construct a detailed anatomical 3D model of the patient, providing a basis for surgical planning and navigation. It can be combined with surgical instrument tracking technology to monitor the position and direction of surgical tools in the 3D virtual model in real time, providing doctors with intuitive navigation information, improving surgical accuracy, and reducing damage to healthy tissue; using medical imaging technology, CT, MRI and other medical imaging equipment can provide detailed anatomical structure information in the patient's body, providing a basis for surgical planning and navigation; image processing and three-dimensional reconstruction technology, through software processing of medical images, can reconstruct 2D images into 3D models, providing the required data for virtual reality surgical systems; virtual reality and augmented reality technologies, through head-mounted display devices, integrate the patient's 3D anatomical model and real-time surgical information into the doctor's field of view, enhancing surgical perception. 7. Description of the changing states of the graphical user interface: Click "Mode Selection" in the main view to enter the interface change state diagram 1; click "CT" in the interface change state diagram 1 to enter the interface change state diagram 2; click the "3D"-"Vertical Section" button in the interface change state diagram 2, a box will appear, and a holographic 3D human tissue model will be placed in the box. By pinching different handles, you can make sections on six sides (up, down, left, right, front and back) to enter the interface change state diagram 3; click the "3D"-"Free Section" button in the interface change state diagram 2, a slice and a human tissue model will appear, and you can pinch the handles to make a 720° free rotation section to enter the interface change state diagram 4.

This invention relates to the field of organ visualization adjustment technology, specifically to an organ suspension device for minimally invasive laparoscopic surgery. The device includes a suspension assembly and a support assembly. The suspension assembly extends through the top of the support assembly, and the bottom of the support assembly is attached to the operating table. The top of the support assembly is adjustable, while the bottom of the suspension assembly extends into the abdominal cavity. The suspension assembly includes a catheter mechanism and an adjustment mechanism mounted on top of the catheter mechanism. The catheter mechanism has multiple channels. The advantages of this invention are the use of a slender catheter mechanism with an outer diameter adapted to the size of the minimally invasive surgical puncture port, allowing direct insertion into the abdominal cavity through a single puncture port without enlarging the incision or adding additional puncture ports, thus preserving the core advantages of minimally invasive surgery: small incision and minimal trauma. Compared to traditional visualization adjustments that require tissue traction, this reduces tissue damage, effectively decreasing postoperative pain, bleeding, and other complications, and shortening the recovery period.

The invention provides a vertebral compression fracture preoperative diagnosis and treatment method and device based on Sudoku division. The method comprises the steps that a spine preoperative prone position thin-scanning CT image is obtained; inputting the spine preoperative prone position thin-scanning CT image containing the fractured centrum into the trained osteoporotic centrum compression fracture recognition model to obtain the recognized fractured centrum; planning vertebral pedicle bony puncture surface path parameters and 3D guide plate parameters of the fractured vertebral body based on Sudoku division; and printing and generating the 3D guide plate based on the planned 3D guide plate parameters. According to the application, the osteoporotic centrum compression fracture recognition model is used for recognition, and the puncture approach path is planned through the pedicle bony puncture surface through sudoku division, so that the angle and the direction of the puncture needle are planned in the pedicle puncture safety area, and related complications of operation puncture in an operation are avoided.

The invention belongs to the technical field of medical equipment, and discloses an interventional operation puncture fixing pad. Comprising a main body pad, a shoulder fixing assembly and a puncture fixing assembly. The shoulder fixing assembly and the puncture fixing assembly are fixedly connected with the main body pad. The puncture fixing assembly comprises a first surrounding clamp and a puncture fixing clamp, the first surrounding clamp is arranged on the side face of the body pad, and the puncture fixing clamp is slidably connected with one side of the first surrounding clamp. The problems that a patient with a traditional femoral artery compressor cannot lie flat, so that the body position is limited, and a needle head at a puncture point is inconvenient to fix, so that bleeding or needle head sliding-out is caused are solved.

The invention discloses a surgical puncture positioning device, which relates to the technical field of surgical appliances and comprises a strap body, fixing straps are arranged on two sides of the strap body, a positioning opening is formed in the strap body, a plurality of groups of first connecting pieces are arranged at the positioning opening, and a puncture positioning plate is detachably connected onto the first connecting pieces. Through the arrangement, the surgical puncture positioning device which can improve the positioning precision and enhance the adaptability and is convenient to operate is provided, stable wearing is achieved by surrounding the body part of a patient through the fixing band, the band body can adapt to trunk curves of patients of different body types, and through the arrangement of the first connecting piece, the positioning accuracy is improved. And puncture positioning plates in different shapes such as rectangles and squares can be quickly adapted.

This invention discloses a coordinate self-calibration method, system, and medium for an ultrasound-guided dual-arm puncture robot, belonging to the field of surgical robots. The method includes: S1, acquiring multiple sets of pose information of the robot and corresponding ultrasound images; S2, constructing a pose closed-loop homogeneous matrix transformation model of the robot: AXP = YBQ; where X is the homogeneous transformation matrix from the first robotic arm end-effector coordinate system {E1} to the ultrasound image coordinate system {I1}, Y is the homogeneous transformation matrix from the first robotic arm base coordinate system {O1} to the second robotic arm base coordinate system {O2}, Q is the homogeneous coordinate of the needle tip in the second robotic arm end-effector coordinate system {E2}, and P is the homogeneous coordinate of the surgical puncture needle tip in the ultrasound image corresponding to each set of pose information; S3, decomposing and linearizing the model using a block-based approach to obtain closed-loop solutions of the homogeneous transformation matrices X, Y, and Q, and further optimizing the accuracy through an iterative algorithm to complete the final calibration. This invention can obtain high-precision calibration results with less calibration time.

The utility model relates to the technical field of medical instruments, and provides a single-hole multi-channel surgical puncture outfit which comprises a rigid tube and a flexible tube which are sequentially connected from near to far, the rigid tube is used for being inserted into the anus, and the rigid tube and the flexible tube are coaxially arranged and communicated. A first connecting structure is arranged on the outer wall of the far end of the rigid pipe, the far end of the flexible pipe is turned outwards and curled towards the near position, the turned-outwards flexible pipe can be fixedly connected with the rigid pipe in a sealed mode through the first connecting structure, and a gap is formed between the turned-outwards flexible pipe and the rigid pipe to form an annular air bag; an inflation hole is formed in the position, corresponding to the annular air bag, of the rigid pipe and can be communicated with the air bag, the inflation hole is communicated with the first end of an inflation pipe, and the second end of the inflation pipe is used for being communicated with an air source. The shape is simple, and industrial manufacturing and production are facilitated.

The invention discloses an arthroscope puncture instrument for the orthopedics department. The arthroscope puncture instrument for the orthopedics department comprises a supporting plate, and a supporting and fixing mechanism is arranged above the supporting plate; the supporting and fixing mechanism comprises a popliteal space base plate, a shank base plate and a thigh base plate, the sides, close to each other, of the shank base plate and the thigh base plate are connected with the popliteal space base plate, and the other sides of the shank base plate and the thigh base plate are connected with the supporting plate; bandages are mounted on the shank base plate and the thigh base plate. According to the arthroscope puncture instrument for the orthopedics department, the supporting frame with the position capable of being transversely adjusted is arranged on the arc-shaped frame, the supporting block with the position capable of being longitudinally adjusted is installed on the supporting frame, and the supporting pipe capable of being deflected for use is installed on the supporting block, so that the three-dimensional space position of the arthroscope puncture instrument penetrating into the supporting pipe can be adjusted; and the device can deflect by a certain angle and can be better adapted to the change of an operation puncture angle for use.

The invention discloses a transpedicular puncture intelligent navigation system and equipment, and the system comprises a sensing and modeling module which is used for achieving the real-time construction of a dynamic surgical area digital twinborn model and the prediction of the dynamic change trend in the surgical process through the fusion of multi-source and heterogeneous intraoperative information; the decision-making and planning module is used for comprehensively considering multiple complex targets such as safety, accuracy, stability and long-term curative effect through a digital twinborn model constructed based on the sensing and modeling module, and planning a globally optimal'intelligent 'puncture strategy capable of adapting to environmental changes in real time for the surgical puncture device; and the control and execution module is used for realizing submillimeter trajectory tracking precision and high-robustness precise operation by ensuring that the system is in a complex, changeable and uncertain real surgical physical environment. By means of the intelligent navigation system, the problems that a current transpedicular puncture navigation system cannot adapt to dynamic changes in an operation, lacks real-time feedback and closed-loop control capacity, and is single in path planning dimension can be solved; therefore, safety, efficiency, precision and simplicity of vertebral body operation puncture are remarkably improved, ray exposure is reduced, the infection probability is reduced, and the curative effect is improved.

The invention provides a minimally invasive surgery precise puncture positioning device which comprises a stand column support, a first universal adjusting arm is fixedly installed at the upper end of the stand column support, one side of the first universal adjusting arm is connected with a first supporting arm, and the other side of the first supporting arm is fixedly connected with a second universal adjusting arm. The other side of the second universal adjusting arm is fixedly connected with a second supporting arm. The arc-shaped bevel protractor is arranged at the front end of the second supporting arm, the concave sliding block is embedded in the arc-shaped sliding groove of the arc-shaped bevel protractor, and the concave sliding block is fixedly connected with the puncture needle guide block, so that the axis of the puncture guide pipe can be accurately adjusted in the radian direction and locked at the target position; meanwhile, the first universal adjusting arm and the second universal adjusting arm which are sequentially connected to the stand column support provide space posture adjustment of two degrees of freedom of yawing and pitching, the arc-shaped angle ruler can be flexibly aligned with the reference plane of the body surface of the patient, and the accuracy of surgical puncture positioning is improved through combination of arc angle setting and space posture adjustment.

The invention discloses a puncture drainage tube fixing device for the cardiothoracic surgery department, and belongs to the technical field of medical instruments.The drainage tube fixing device comprises a mechanical arm, a clamping assembly is arranged on the mechanical arm, the clamping assembly can clamp and fix a drainage tube, and any one or two joints of the mechanical arm are provided with force buffering assemblies; the transmission mode of force on the mechanical arm is changed; when the pulling force borne by the drainage tube does not exceed a first threshold value, the mechanical arm is changed from a bent shape to a straight shape; when the change rate of the pulling force borne by the drainage tube exceeds a first threshold value and the pulling force is lower than a second threshold value, the force buffering assembly changes the transmission mode of the mechanical arm force; when the pulling force borne by the drainage tube exceeds a second threshold value, the clamping assembly cancels clamping and fixing of the drainage tube, and the drainage tube can slide relative to the clamping assembly. According to the invention, the mode conversion from passive rigid fixing to active intelligent buffering is realized, and different types of traction are intelligently distinguished and coped with through a three-level response mechanism, so that the safety and the comfort are greatly improved.

The utility model provides an auxiliary device for femoral artery approach interventional operation, and belongs to the field of medical instrument research. The problems that in an existing interventional operation, due to the fact that catheters are exposed and placed on the thighs of a patient, many catheters are mixed, the operation difficulty is high, if the catheters are touched accidentally, the catheters slide down, operation puncture points of the patient are pulled, and the operation risk of the patient is increased are solved. The auxiliary device for the femoral artery approach interventional operation comprises a bottom plate and an operation table connected with the bottom plate. The movable cavity is arranged between the bottom plate and the operation table, so that legs of a patient can be conveniently placed between the bottom plate and the operation table, and due to the fact that the multiple catheter separation grooves are formed in the operation table, catheters connected with the patient can be placed in the catheter separation grooves in the operation table respectively, so that the catheters are distinguished; therefore, a doctor can better perform an interventional operation, and the operation is ensured to be performed smoothly.