39 results about "Thoracentesis" patented technology

The utility model relates to the technical field of medical instruments, and discloses a cardiology department thoracocentesis effusion drainage device which comprises a device body, a mounting plate is arranged on the inner side of the device body, a device top plate is arranged at the top end of the mounting plate, a connecting insertion block is arranged in the middle of the device top plate, and a fixing screw is arranged at the top end of the connecting insertion block. A rotating top cover is arranged on the outer side of the top end of the liquid inlet pipe; a connecting pipe is arranged at the middle part of the rotating top cover; a transfer block is arranged at the top end of the mounting circular block; an air bag is arranged at the front end of the transfer block; by arranging the device main body and the clamping plate, the device can be conveniently detached, the inner side of the device main body can be cleaned, the device can work more stably during working, and the device is prevented from being collided, so that the working effect is prevented from being influenced.

The present invention relates to the field of medical device technology, and in particular to an anti-drop needle type thoracentesis and drainage device, comprising a drainage tube body, the drainage tube body comprising an internal section and an external section, the internal section comprising an air drainage tube body, a liquid drainage tube body and an extension tube body, the extension tube body being arranged between the air drainage tube body and the liquid drainage tube body, and the drainage tube body being provided with a liquid drainage channel and an air drainage channel; and further comprising a negative pressure suction component, the internal section also comprising an attached tube body, the drainage tube body being provided with a negative pressure flow channel, the external section being provided with a negative pressure joint, the negative pressure suction component being connected to the negative pressure joint, and the negative pressure suction component being able to generate negative pressure suction during operation. The present invention turns on the negative pressure suction component, so that the attached tube body can be adsorbed on the inner wall of the patient's chest cavity, so that the freedom of movement of the internal section in the patient's chest cavity can be effectively restricted, and friction between the internal section and the inner wall of the patient's chest cavity during the drainage process is prevented, thereby reducing the risk of damage to the inner wall of the patient's chest cavity.

The invention discloses a back puncture operation patient chair which comprises a chair back, the inclination of the chair back relative to the horizontal plane can be adjusted, a posture adjusting assembly is arranged on the face, making contact with a patient, of the chair back, and the supporting angle between the patient and the chair back is adjusted through the posture adjusting assembly; the seat cushion is hinged to the chair back, the seat cushion is used for supporting a patient, and a chair back inclination adjusting assembly is installed between the seat cushion and the chair back. Through the posture adjusting assembly arranged on the chair back, the posture angle, especially the thoracic cavity arching degree, of a patient can be accurately adjusted according to different operation requirements (such as thoracic cavity puncture and lumbar puncture), so that it is ensured that the patient can keep a proper posture in the operation process, discomfort caused by long-time operation is relieved, and meanwhile, the patient can be prevented from being injured. The inclination adjusting function of the seat cushion and the chair back enables the patients with different body types to be effectively supported, and the comfort is further improved.

The application discloses a skin tension device suitable for thoracentesis, and relates to the technical field of thoracentesis. The tension device comprises a base, a moving stretching component, a thoracentesis limiting component, an angle adjusting device and a supporting device. When working, a patient sits on the base, the height of the base can be adjusted according to the height of the patient, and the supporting device can provide suitable back support for the patient. After the patient sits down, medical staff drives the angle adjusting device to adjust the whole thoracentesis tension device to a suitable angle of the thoracic cavity area to be punctured of the patient, then the moving stretching component generates a moderate tension on the skin, and the skin at the puncture site is taut, thereby creating good conditions for subsequent puncture operation. Meanwhile, the thoracentesis limiting component can preliminarily guide and limit the direction and depth of the puncture needle. The skin is taut through the moving stretching component, and the application has the effect of meeting different puncture requirements.

The invention discloses a post-thoracentesis continuous compression hemostasis fixing device, and relates to the technical field of surgical thoracentesis. The post-thoracentesis continuous compression hemostasis fixing device comprises a wearing fixing bandage, a puncture position compression attaching pad and a magnetic attraction connecting base, and the magnetic attraction connecting base is connected to the outer wall of one side of the wearing fixing bandage in an adhesive mode. By means of the linkage design of the pressure self-adaption part and the respiratory rhythm, dynamic self-adaption adjustment of the compression force can be achieved, when a patient inhales and the thorax is expanded, the buffer force storage spring capable of storing the force under pressure can automatically reset, the generated elastic force can push the magnetic linkage pressing plate to apply stable compression force to the puncture position compression attaching pad attached to the puncture point, and therefore the puncture position can be pressed. The traction effect of thoracic expansion on the compression pad is counteracted, and hemostasis pressure attenuation is avoided.

The present application relates to the technical field of medical apparatus and instruments, in particular to a pericardium thoracic cavity puncture and effusion drainage device, which comprises a needle tube, elastic strips, a cone and a deformation assembly, one end of the needle tube extends into the patient's body, the elastic strips are provided in plurality, the plurality of elastic strips are distributed at intervals around the axis of the needle tube, one end of each elastic strip is fixedly connected to the end of the needle tube in the patient's body, each elastic strip extends in the axial direction of the needle tube, the large end of the cone is fixedly connected to the end of each elastic strip away from the needle tube, and the middle part of each elastic strip can bend in the radial direction of the needle tube away from the axis of the needle tube; the deformation assembly is used for controlling the cone to move towards or away from the needle tube in the axial direction of the needle tube. Through the cooperation of the deformation assembly, the cone and the plurality of elastic strips, when the cone moves towards the needle tube, the middle part of the plurality of elastic strips bends in the radial direction of the needle tube away from the axis of the needle tube, and when the effusion is extracted, the needle tube is not easy to be blocked, and the liquid extraction process is more smooth.

The invention discloses a sickbed for thoracocentesis. The sickbed comprises a bed frame, a bed body, a first driving assembly and two anti-skid assemblies. The bed body comprises a first bed body and a second bed body; the first bed body is arranged on the bed frame; the second bed body is rotatably arranged on the first bed body and can rotate relative to the first bed body under the driving of the first driving assembly; the two anti-skid assemblies are arranged on the two sides of the second bed body respectively, and the anti-skid ends of the two anti-skid assemblies can move oppositely so as to abut against the two sides of the thoracic cavity of the patient respectively. According to the scheme, the second bed body can be driven to rotate through the first driving assembly so as to assist a patient in sitting up, and in the process, the anti-skid ends of the two anti-skid assemblies move oppositely so as to abut against the left side and the right side of the thoracic cavity of the patient, so that the patient is prevented from sideslip when sitting up, and the follow-up puncture effect can be prevented from being affected.

The utility model relates to a thoracocentesis drainage tube which comprises a sleeve and a flow guide tube fixedly installed on one side of the sleeve, a conversion assembly is arranged on the side, away from the flow guide tube, of the sleeve, and a positioning assembly used for limiting the flow guide tube is further arranged on the surface of the flow guide tube. The conversion assembly comprises a first connector installed on the side, away from the flow guide pipe, of the sleeve, a soft belt is fixedly installed on the surface of the first connector, a second connector is fixedly installed at the other end of the soft belt, and a fixing head is installed on the side, away from the sleeve, of the first connector in a threaded mode. The side, close to the sleeve, of the fixing head is fixedly connected with a puncture needle extending into the flow guide pipe, a suction pipe is installed on one side of the second connector, a butt joint is fixedly installed at the end, away from the second connector, of the suction pipe, and the positioning assembly comprises a limiting sleeve connected to the outer portion of the flow guide pipe in a sleeving mode. According to the thoracocentesis drainage tube, the flow guide tube is not prone to falling off in the operation process, and convenience of the thoracocentesis drainage tube is greatly improved.

The utility model provides an auxiliary fixing device for a thoracentesis patient, which comprises two parallel fixing splints, the fixing splints are used for being mounted on a backrest of a chair, a back cushion is arranged above the fixing splints, one of the fixing splints is provided with a threaded hole, and the other fixing splint is provided with a threaded hole. Adjusting bolts are installed in the threaded holes. The auxiliary fixing device for the thoracentesis patient is composed of the two parallel fixing clamping plates, the clamping plates are used for being installed on a chair backrest so as to provide stable supporting, the back cushion is arranged above the fixing clamping plates and used for providing additional comfort for the patient, and especially when the medical procedure of thoracentesis is carried out, the back cushion is arranged on the fixing clamping plates so that the patient can feel comfortable. Wherein one fixing splint is provided with a threaded hole, and an adjusting bolt is mounted in the threaded hole, so that the position or angle of the fixing splint can be finely adjusted to meet the requirements of different patients.

The utility model discloses a thoracocentesis auxiliary device for opening intercostal space, and belongs to the technical field of puncture position restraint. According to the thoracocentesis auxiliary device capable of opening the intercostal space, the three independent air bags are arranged, and the supporting depths of the three air bags are adjustable, so that the thoracocentesis auxiliary device capable of opening the intercostal space can be adaptively adjusted when different patients are supported; different supporting depths can be adjusted according to the body size of a patient, effective supporting of the chest and the abdomen of the patient is achieved, it is guaranteed that the patient is in a comfortable state in the puncture process, meanwhile, the intercostal space of the patient can be further opened through supporting, the medical thoracic cavity standard puncture dorsal arch body position is met, and puncture safety is guaranteed; the problems that an existing puncture auxiliary device is poor in fitness, the dorsal arch body position is not standard, intercostal blood vessels and nerves are prone to being damaged, and a patient falls down after pleural reaction, and secondary injuries are caused are solved.

The invention discloses a pericardium thoracocentesis effusion drainage device and method, and relates to the field of medical care, the pericardium thoracocentesis effusion drainage device comprises a liquid storage device, a liquid storage cavity is formed in the liquid storage device, a positioning frame is fixedly mounted at the top of the liquid storage device, a fixing pipe is fixedly inserted in the positioning frame, the bottom end of the fixing pipe extends into the liquid storage cavity, and the top of the fixing pipe is fixedly sleeved with a mounting cylinder; a threaded opening is formed in an inner ring of the mounting cylinder, a drainage tube is inserted into the inner ring of the mounting cylinder, external threads are arranged at one end of the drainage tube, the drainage tube is inserted into the threaded opening in a threaded mode, a sponge block is fixedly mounted in the liquid storage cavity, a flow guide plate is obliquely arranged in the liquid storage cavity, a fixing plate is fixedly arranged in the liquid storage cavity, and a drainage opening is formed in the fixing plate; according to the pericardium and thoracocentesis effusion drainage device, people do not need to frequently put on and take off the device, drainage can be conveniently conducted no matter a patient walks or lies flat, great convenience is brought to the patient, the effusion amount of word drainage of the patient can be automatically controlled, and safety is improved.

The invention relates to a mechanical arm thoracocentesis path planning system and method based on a dynamic adaptive ant colony optimization algorithm, and belongs to the technical field of path planning. The system comprises a data preprocessing module, an image segmentation module, a path planning module and a visualization module; the data preprocessing module is used for performing denoising and contrast enhancement on the chest CT image so as to improve the image quality and facilitate subsequent image segmentation and analysis; the image segmentation module is used for automatically segmenting tumor, blood vessel, trachea and bone areas through DenseNet and providing data support for path planning; the path planning module is used for selecting an optimal path or an approximate global optimal path by using a dynamic adaptive ant colony optimization algorithm; and the visualization module is used for presenting the optimal path or the approximate global optimal path on the original chest CT image. The system uses an image segmentation technology and an improved ant colony algorithm to provide an optimal puncture path for puncture.

The invention relates to an intelligent thoracocentesis device which comprises a main shell, an electrode plate, a motor, a guide rail, a needle base, a copper electrode, a puncture needle, an indwelling tube, a protective cover and a circuit board. The left side and the right side of the needle seat are slidably mounted on the guide rail, the puncture needle is fixed at the upper end of the needle seat, the indwelling tube is arranged on the puncture needle, and the motor can drive the needle seat to slide back and forth on the guide rail so as to puncture the puncture needle and the indwelling tube into the thoracic cavity of a pneumothorax patient together; a guide structure for guiding the puncture needle to pass through is arranged at the front part of the protective cover; when the intelligent thoracocentesis device is used, the electrode plate and the puncture needle form an electric path through a human body, and the circuit board controls the motor to start and stop by detecting the resistance change of the electric path, so that the needle seat is controlled to move forwards and backwards. When the device is used, puncturing and catheter indwelling work is automatically completed, the secondary catheter indwelling rate is reduced, and therefore the puncturing accuracy of a puncture needle is improved.

The invention discloses a hydrothorax autologous drainage device which comprises a thoracentesis catheter and an abdominal puncture catheter. The thoracic puncture catheter and the abdominal puncture catheter are communicated and connected through a middle catheter to form a pipeline capable of guiding hydrothorax from the chest cavity to the abdominal cavity, an anti-backflow structure is arranged on the pipeline, and a power module can be further arranged on the middle catheter to change the drainage speed. The pleural effusion is led to the abdominal cavity from the thoracic cavity, so that protein loss can be avoided while the pleural effusion is reduced; due to the portability of the equipment, the equipment can be carried and used outside a hospital for a long time, the out-of-hospital survival time of a patient is prolonged, and the living quality is improved.

A needle thoracostomy device with a venting device, a deployment device, and a positioning device. The venting device is configured to vent a pleural cavity of a patient. The deployment device is removably attached to the venting device and is configured to perform a needle thoracostomy to attach the venting device to the patient. The deployment device has a release mechanism which, when moved to a released position, allows the deployment device to be separated and lifted away from the venting device. The positioning device is configured to removably engage with at least one of the deployment device and the venting device to correctly position the deployment device and the venting device on the patient for the needle thoracostomy. The positioning device may position the deployment device and the venting device based on anatomical landmarks.

The utility model discloses a thoracocentesis patient's auxiliary sitting device relates to medical assistance technical field, including base, plate no. 1 and plate no. 2, the lower surface of plate no. 1 is fixedly connected with the upper surface of base, the base is T-shaped state, the outer surface left side of plate no. 1 is movably connected with the outer surface right side of plate no. The motor is started to drive the fixing rod to rotate and drive the U-shaped plate and the column body, so that the column body makes contact with the surface of the second plate, the second plate is extruded, the second plate is slowly pushed, a patient sits up slowly, after the patient sits up, the fixing plate is loosened by a worker, and the patient can sit up slowly. Under the elastic action of a contracted spring, a fixing plate is pushed to move, so that a rhombic opening in the fixing plate is in contact with the outer surface of a rhombic block, the position of a fixing rod is limited, and through the arrangement of the structure, the patient can conveniently sit in an auxiliary mode, and medical staff can conveniently conduct thoracocentesis.

The invention discloses a portable thoracocentesis bag suitable for a battlefield environment, and relates to the field of medical bag equipment, the portable thoracocentesis bag comprises a medical hose, a recovery sleeve, a puncture needle and a medical packaging bag used for packaging the medical hose, the recovery sleeve and the puncture needle; the puncture needle is arranged in the medical hose in a penetrating mode, the puncture needle and the medical hose are provided with a puncture end capable of puncturing into the chest of a human body and an operation end used for handheld operation, a push-pull rod is arranged in the recycling sleeve in a penetrating mode, and the recycling sleeve is provided with a front end capable of being connected with the operation end of the medical hose and a tail end used for pulling and pushing the push-pull rod. The push-pull rod can be connected with the operation end of the puncture needle; the puncture end of the puncture needle extends out of the medical hose, and the puncture end of the medical hose can be pushed by the puncture needle to be punctured into the chest of the human body together. The thoracocentesis device is reasonable in overall structure, thoracocentesis is more convenient to execute, safety and reliability are achieved, and treatment of the wounded in a battlefield is better facilitated.

The invention discloses a thoracocentesis drainage device. Comprising a puncture assembly, a fixing disc and a drainage tube, and the puncture assembly, the fixing disc and the drainage tube are detachably connected; the puncture assembly comprises a handle, a puncture rod connected with the handle in a sliding mode and a puncture head located at the far end of the puncture rod. The fixing disc comprises an annular piece, an inner sleeve, an outer sleeve, a shell, a flexible sealing ring and a deformation sleeve, the inner sleeve is used for allowing a puncture rod or a drainage tube to penetrate through, the outer sleeve and the deformation sleeve are arranged outside the inner sleeve in a sleeving mode, and the two ends of the deformation sleeve are fixed to the far end of the inner sleeve and the far end of the outer sleeve respectively; the outer sleeve is divided into a fixing part located at the near end and an extending part located at the far end, and the annular piece is arranged outside the fixing part of the outer sleeve in a sleeving mode and is rotationally connected with the outer sleeve; the flexible sealing ring is arranged between the outer edge of the near end of the annular piece and the inner edge of the near end of the outer sleeve in a sleeved mode. The device is easy and convenient to operate, reliable in fixation and good in sealing effect, and operation safety and efficiency are improved.

The utility model discloses a thoracoabdominal puncture auxiliary device. The thoracoabdominal puncture auxiliary device comprises a shell, a loading piece and a fastening piece. In the length direction of the shell, one end of the shell is constructed to be an abutting part, the abutting part is suitable for abutting against the chest and abdomen, the abutting part is provided with a puncture hole suitable for being penetrated by a puncture needle, a containing cavity extending in the length direction of the shell is defined in the shell, and the containing cavity is communicated with the puncture hole; the loading piece is movably arranged in the containing cavity in the length direction of the shell, the loading piece is provided with a loading hole suitable for loading the puncture needle, and the loading hole and the puncture hole are oppositely arranged in the length direction of the shell; the fastening piece is movably arranged on the loading piece, the fastening piece is configured to be close to the loading hole so as to abut against the puncture needle and fix the puncture needle, and the fastening piece is further configured to be far away from the loading hole so as to be separated from the puncture needle. According to the thoracoabdominal puncture auxiliary device, the needle inserting motion of the puncture needle can be guided, and therefore the probability that the needle inserting angle of the puncture needle deviates is reduced.

The sleeve type thoracic cavity puncture needle comprises a puncture needle body and a hollow tube, the puncture needle body is placed in the hollow tube, the upper end of the puncture needle body is fixedly connected with a connector, the interior of the connector is fixedly connected with a whistle tube, the whistle tube is aligned with the center of the puncture needle body, and a whistle hole is formed in the side surface of the whistle tube. A vibration piece is arranged on one side of the whistle hole and fixedly connected with the inner wall of the whistle pipe, the puncture needle is sleeved with a sleeve, the upper end of the sleeve is fixedly connected with a sleeve head, the sleeve head is buckled below the connector, the upper end of the hollow pipe is buckled with a pipe cap, the side surface of the pipe cap is fixedly connected with a hanging plate, and the upper end of the pipe cap is fixedly connected with a plastic plate. The problem that when an existing sleeve type thoracocentesis needle is used in an emergency, pneumothorax cannot be rapidly and accurately treated is solved, and meanwhile the situation that normal lungs and other organ tissues of a patient are injured due to the fact that medical staff puncture too deep in the operation process is avoided.

The invention discloses a chair special for thoracocentesis, and particularly relates to the technical field of puncture auxiliary device.The chair comprises a stool, a backrest is fixedly connected to the top of the stool, two placement openings are formed in the outer side of the backrest, a back cushion is fixedly connected to the top of the backrest, two guide plates are fixedly connected to the interior of the stool, and limiting columns are fixedly connected to the interiors of the guide plates; and two armrests are fixedly connected to the outer side of the backrest. By arranging the auxiliary lying mechanism and the tray mechanism, the auxiliary lying mechanism can quickly help a postoperative pleural reaction patient to lie down, treatment is facilitated, the time for medical staff to move the patient is saved, meanwhile, the height of the one-way pager is adjusted or the one-way pager is taken down and placed in the hand of the patient according to the operation condition, and the patient can conveniently move the patient. The thoracocentesis chair has the advantages that a patient can press the one-way beeper conveniently, blood oxygen of the patient can be detected in time through the blood oxygen clamp, the practicability of the thoracocentesis chair is enhanced, the chair tray can be stored, space is saved when the chair tray is not used, doctors can take medical supplies conveniently during an operation, and convenience is provided for the operation.

This invention provides a portable integrated thoracentesis device, belonging to the field of medical device technology. It includes a shell and an auxiliary puncture unit. A base is slidably connected to the bottom of the shell, and a scale is provided on the base. A first limiting block is fixedly connected to the base, and a third limiting block and a fifth limiting block are fixedly connected to the inner side of the shell. The auxiliary puncture unit is used to insert a drainage tube and a puncture needle into the patient's body, and the auxiliary puncture unit is connected to the shell. By incorporating the auxiliary puncture unit, this invention allows medical personnel to quickly insert the puncture needle and drainage tube simultaneously into the patient's chest cavity, saving time and effort and effectively improving the work efficiency of medical personnel.

The thoracoabdominal puncture bag comprises a soft indwelling catheter and a hard puncture needle, and the puncture needle penetrates through the indwelling catheter; a depth mark is arranged on the indwelling catheter, and a plurality of through holes are formed in the indwelling catheter; the indwelling catheter is brought to a designated position through the indwelling needle to achieve effusion drainage, the indwelling catheter is provided with the depth mark, the difficulty that the puncture depth is difficult to grasp is reduced, and therefore the risk of an operation and discomfort of a patient are reduced.

The invention discloses a pericardium thoracocentesis and effusion drainage device, which relates to the technical field of medical treatment, and comprises a fluid passage assembly used for establishing a closed fluid loop between a puncture catheter and an external collection end and bearing an effusion discharge path; the state sensing and identifying assembly is used for acquiring a pipeline state signal in the fluid loop and forming a feedback quantity for rhythm judgment; the closed-loop valve control and safety assembly is used for adjusting the on-off and throttling states of a loop according to the feedback quantity and executing loss stopping control under the abnormal working condition; the fluid passage assembly comprises a puncture drainage catheter, a patient end connector, a main pipeline, a collection branch and a pressure relief branch; the invention provides a self-adaptive graded pressure reduction control method with drainage loop pipeline pressure pulsation fingerprints as feedback signals and a hydraulic loop type drainage device thereof.

A needle thoracostomy device with a venting device, a deployment device, and a positioning device. The venting device is configured to vent a pleural cavity of a patient. The deployment device is removably attached to the venting device and is configured to perform a needle thoracostomy to attach the venting device to the patient. The deployment device has a release mechanism which, when moved to a released position, allows the deployment device to be separated and lifted away from the venting device. The positioning device is configured to removably engage with at least one of the deployment device and the venting device to correctly position the deployment device and the venting device on the patient for the needle thoracostomy. The positioning device may position the deployment device and the venting device based on anatomical landmarks.

The present invention relates to the technical field of medical devices, and in particular to a pleural effusion drainage nursing device for thoracic surgery patients, comprising a bottle body, a top cover being fixedly connected to the top of the bottle body, a connecting tube being fixed to the top of the top cover, a connecting mechanism being installed inside the connecting tube, the connecting mechanism being used for connecting to an external drainage tube, a tipping detection sensor being able to sense the direction in which the bottle body tips over, and then controlling an opening and closing mechanism to close an air outlet in the tipping direction, a discharging mechanism being able to swing along the tipping direction through a rotating mechanism being provided, after the bottle body tips over, the bottle body drives the discharging mechanism to rotate under the action of gravity, so that the discharging mechanism can adjust its direction after rotation, and keep the discharging end below the liquid level inside the bottle body under the action of gravity, thereby facilitating preventing air from entering the patient's chest cavity, and thus facilitating normal use of the bottle body after it tips over.

The utility model discloses a one-way exhaust valve for pneumothorax treatment. The one-way exhaust valve comprises an exhaust valve body and an air valve cover. The exhaust valve comprises a needle tube connecting part and a first air chamber; the lower end of the first air chamber is communicated and connected with the needle tube connecting part, and a bearing platform is arranged at the upper end of the first air chamber; first exhaust holes communicated into the first air chamber are distributed in the surface of the bearing platform; an elastic membrane is arranged on the surface of the bearing platform, and the size of the elastic membrane is configured to cover the first exhaust hole; the bearing platform is provided with a fixing cylinder which is perpendicular to the bearing platform and penetrates through the elastic membrane, and the top face of the fixing cylinder is provided with a limiting protruding edge. The thickness of the elastic membrane is smaller than the distance between the bearing platform and the limiting convex edge; the air valve cover is mounted on the outer side of the bearing platform, and the air valve cover and the bearing platform jointly define a second air chamber; and a second exhaust hole is formed in the air valve cover. The one-way exhaust device can provide one-way exhaust treatment for pneumothorax wounded persons outside hospitals, especially in battlefield environments after the pneumothorax wounded persons use thoracocentesis needles to conduct emergency puncture.

The utility model discloses a fixing chair for thoracocentesis positioning, which comprises a chair seat, and a hip positioning mechanism for restoring the hip position of a patient is further arranged on the chair seat; the hip positioning mechanism comprises a hip positioning plate, the hip positioning plate is movably arranged on the surface of one side of the chair seat, a ball screw is arranged on the surface of one side of the chair seat, the ball screw is rotationally arranged in the mounting groove, a nut seat is further arranged on the ball screw, and the nut seat is connected with the hip positioning plate; a lug seat is further arranged on the surface of one side of the chair seat, a chair back rod is arranged in the lug seat, an angle adjusting mechanism used for resetting the angle of the chair back rod is further arranged on one side of the lug seat, and an armrest mechanism capable of being telescopically adjusted is further arranged in the chair back rod. The upper limb supporting angle of the patient in the ultrasonic sitting posture can be reset, and the thoracocentesis success rate is increased.

This invention relates to the field of medical device technology and discloses an integrated thoracentesis assembly, including a drainage tube and a display. A puncture needle is disposed within the drainage tube, and the front end of the puncture needle has a puncture needle expansion section. The expansion section includes a self-puncture tip, a tapered expansion segment, and a main body segment. The puncture needle enters the pleural cavity through the expansion section, eliminating the need for guidewire insertion and dilation, eliminating the window period, preventing air from entering the pleural cavity, and reducing the risk of repeated punctures and infection. This invention achieves one-step puncture and catheter placement by overlapping the puncture needle and drainage tube, inserting them simultaneously during puncture, removing the inner core after successful insertion, and leaving the outer tube in place. This eliminates the need for guidewire insertion and dilation, significantly simplifying the operation. The drainage tube is equipped with a valve-type one-way valve to maintain a seal during puncture, solving the problem of tissue debris blockage in the absence of a needle core.

The utility model discloses a thoracocentesis auxiliary chair which comprises supporting legs and an annular installation frame arranged at the tops of the supporting legs, a cushion is fixedly installed on one side of the top of the annular installation frame, the cushion is matched with the annular installation frame, the cushion covers two thirds of the annular installation frame, and the annular installation frame is fixedly installed on one side of the top of the annular installation frame. Two telescopic sleeves are vertically welded to the two-thirds position of the upper surface of the annular mounting frame, the telescopic sleeves are arranged adjacent to the cushion, telescopic rods are movably inserted into the two telescopic sleeves respectively, and limiting mechanisms are arranged between the telescopic rods and the telescopic sleeves. According to the thoracocentesis supporting frame, the height of the face supporting frame can be adjusted through the telescopic sleeve and the telescopic rod so that the thoracocentesis supporting frame can be suitable for patients of different body types, meanwhile, due to the fact that the annular face supporting pad and the L-shaped soft pad are arranged, comfort can be provided for the patients during thoracocentesis, and the use effect is good.