34 results about "Internal jugular vein" patented technology

The invention belongs to the technical field of brain-computer interfaces, and particularly relates to an interventional brain-computer interface system based on a stent electrode. The brain-computer interface system comprises a support electrode, a wire bundle and an in-vivo controller which are arranged in the body, and a wireless charger and a mobile terminal which are arranged in the body. The stent electrode comprises a stent skeleton, an electrode and a wire, and the stent electrode is implanted into a blood vessel near a brain target area through an internal jugular vein through an interventional operation. The electrodes are used for collecting electroencephalogram signals and conducting electrical stimulation on nearby brain areas. The controller collects electroencephalogram signals through the electrodes and sends the electroencephalogram signals to the in-vitro mobile terminal through wireless transmission, meanwhile, the brain area is electrically stimulated through the electrodes so as to treat diseases, and closed-loop regulation and control are achieved. The mobile terminal receives and decodes signals sent by the in-vivo controller, analyzes the signals to optimize and adjust stimulation parameters, and sends the stimulation parameters to the in-vivo controller to adjust a built-in stimulation strategy. The invention can realize minimal invasion, improve the signal quality and improve the treatment effect.

The invention relates to the technical field of medical instruments, and provides a vena cava filter capturing guide wire and device. And the stop block is arranged on the peripheral wall of the guide wire and is fixed relative to the guide wire. When the capturing guide wire is used, a transcervical passage and a transfemoral passage are firstly established, and then a catheter or an adjustable bent catheter is conveyed to a filter through the transfemoral passage; then a guide wire firstly penetrates through a central hole of the filter through a catheter, then the capture device is used for pulling the guide wire out of the jugular vein through the jugular vein channel until resistance is felt, at the moment, the stop block abuts against the central hole of the filter, and then a recovery sheath for capture is inserted into a blood vessel through the jugular vein through the guide wire; when the recovery sheath reaches the position of a recovery hook of the filter, the filter can be corrected by pulling the guide wire, if the recovery hook is adhered, the guide pipe can be pushed along the guide wire and the recovery hook, and the filter is recovered while the recovery hook is stripped. And when the filter completely enters the recovery sheath, the recovery sheath and the guide wire are withdrawn to complete the recovery of the filter.

The utility model discloses an internal jugular vein indwelling catheter fixing device which comprises a fixing clamp, a connecting band and a bandage, the fixing clamp is a hair row clamp, a round hole is formed in the hair row clamp, two ends of the connecting band after being folded are sewn on the round hole to form a connecting band ring, and the bandage penetrates through the connecting band ring. The fixing clamp can be pressed and fixed on the hair of a patient, the allergy phenomenon caused by the fact that an adhesive tape is pasted on the skin of the patient is avoided, the connecting band is a connecting band ring, and the position of the bandage is convenient to adjust; the bandage is an elastic band, the fixing position can be adjusted, the pipe opening end of the internal jugular vein indwelling catheter can be effectively fixed, and compared with the mode that the pipe opening end is directly pasted to the skin surface through an adhesive tape, the bandage is more convenient, safer and more comfortable.

The invention relates to the field of data processing, in particular to a method for determining a target position based on pressure data, a medium and equipment. Comprising the following steps: determining a similarity coefficient of a force value sequence by comparing maximum values of cross correlation coefficients between a pressure value sequence and a reference pressure value sequence; if the similarity coefficient in only one pressure value sequence is greater than a similarity coefficient threshold value, determining the clamping point corresponding to the pressure value sequence as a target reference position; and according to the target reference position and the pressure value sequence corresponding to the target reference position, generating target compression position interval information and a display instruction of a display device corresponding to a target compression position interval. According to the invention, the position of the common carotid artery can be determined through the pressure waveform formed by the pressure value sequence collected by the pressure sensor, then the position of the internal jugular vein and the interval information of the target compression position are speculated and determined, and the position is indicated, so that a user can more accurately judge the position of the internal jugular vein.

The invention discloses an internal jugular vein semi-permanent catheter with a self-adaptive epidermal growth factor release mechanism, and belongs to the technical field of medical instruments. The catheter comprises a catheter body and a multifunctional medicine release covering film arranged at the telecentric end in a covering mode, the covering film is made of biocompatible polymers, epidermal growth factors (EGF) and antibacterial agents are loaded on the covering film in a gradient mode, and a micro sensor is arranged in the covering film. The sensor is linked with an intelligent feedback system, the drug release rate can be dynamically adjusted according to local physiological conditions, and meanwhile wireless data transmission and remote monitoring are supported. The defects of an existing semi-permanent catheter in the aspects of infection prevention, healing promotion and dynamic adjustment are overcome, targeted drug release, continuous antibiosis, self-adaptive feedback and remote management are achieved, and the long-term implantation requirement is met.

The utility model provides an internal jugular vein indwelling catheter guide wire fixator, belongs to the field of medical instruments, and aims to solve the problem that wearing is inconvenient to adjust according to the size of the neck of a patient, the internal jugular vein indwelling catheter guide wire fixator comprises a telescopic band and a clamping groove, the clamping groove is formed in the telescopic band, and a second clamping plate is rotationally connected to a connecting plate. The telescopic belt is arranged; when the wearing tightness of the telescopic belt is adjusted, a pull rod on a mounting frame can be pulled to drive a limiting plate to move, a clamping rod can be taken out of a clamping groove in the telescopic belt and retracted into the mounting frame when the limiting plate moves, and a spring can be extruded when the limiting plate moves; the telescopic belt can be pulled to move on the mounting frame and adjusted according to the size of the neck of a patient, after adjustment is completed, the pull rod is loosened, the limiting plate and the clamping rod are driven to reset under pushing of the spring, the clamping rod is clamped in the clamping groove in the telescopic belt for limiting, and the wearing and using comfort can be improved.

Disclosed are systems and methods using ultrasound to predict if a patient's cardiac stroke volume will increase with a fluid bolus. Ultrasound measures are taken before administering a fluid bolus, including measurement of the left ventricular outflow tract velocity time integral (LVOT VTI), and venous measurements of the internal jugular vein. Data collected from such ultrasound scan is then used to predict the patient's cardiac volume response in the event that a fluid bolus is administered to that patient.

The utility model discloses a fixing device for a salt bag used after internal jugular vein paracentesis. Comprising a box body with an opening in the bottom, a containing bag mechanism fixedly arranged at the bottom of the box body and used for containing a salt bag, a countdown reminding mechanism fixedly arranged on the box body, a first neck fixing belt, a second neck fixing belt and a pressure applying mechanism, wherein the first neck fixing belt and the second neck fixing belt are oppositely and fixedly arranged on the outer side face of the box body; the pressure applying mechanism is arranged on the box body and can apply pressure to the salt bag placed in the containing bag mechanism; wherein the first neck fixing band and the second neck fixing band are matched with each other and can be limited on the neck. The position of the salt bag is fixed by a mechanical structure instead of a mode of holding the salt bag by hands, so that the physical strength of people can be reduced, the operation is simple, and the use is convenient. And the countdown reminding mechanism can give an alarm for reminding after the salt bag compression time reaches the set time, the situation that the salt bag compression time far exceeds the set time can be effectively avoided, and potential safety hazards can be reduced. The salt bag fixing device is suitable for being used for fixing the position of the salt bag after the internal jugular vein puncture operation.

The utility model discloses a fixing device for implanting a temporary pace-making catheter external hanging host through an internal jugular vein, which comprises a mounting part, an anti-pressing belt, a fixing belt and a rope tying device, the mounting part for placing the external hanging host is arranged on the anti-pressing belt, the position of the mounting part on the anti-pressing belt is adjustable, and the fixing belt is arranged on the rope tying device. The two ends of the anti-pressing belt are connected with the two ends of the fixing belt respectively to form a closed annular belt, the annular belt is arranged on the outer side of the neck of a patient in a sleeving mode, the fixing belt is provided with a rope binding device used for enabling the annular belt to be tightly attached, and the surface of the installation part is further provided with a wire clamp used for fixing a wire. The rope binding device has the advantages that the mounting part can slide on the anti-pressing belt and is limited and fixed through the hidden buckle, so that the rope binding device and the mounting part are located at proper positions, an externally-hung host can be conveniently fixed, and the comfort is improved; the X-shaped connection seals the opening of the mounting bag, the external host is prevented from falling off, the lead can smoothly pass through the opening at the upper part of the X-shaped connection, the lead is restrained by the middle part of the X-shaped connection, the lead is prevented from being bent, and the pulling of the lead is reduced.

The present invention relates to the field of data processing, and in particular to a method, medium, and device for determining a target position based on pressure data. The method comprises: determining a similarity coefficient of a force value sequence by comparing the maximum value of a correlation coefficient between a pressure value sequence and a reference pressure value sequence; determining the clamping point corresponding to the pressure value sequence as a target reference position if only one pressure value sequence has a similarity coefficient greater than a similarity coefficient threshold; generating target compression position interval information and a display instruction for a display device corresponding to the target compression position interval based on the target reference position and the pressure value sequence corresponding to the target reference position. In the present invention, the position of the common carotid artery can be determined by using a pressure waveform formed by a pressure value sequence collected by a pressure sensor, and then the position of the internal jugular vein and the target compression position interval information can be inferred and determined, and the position can be indicated, so that the user can more accurately determine the position of the internal jugular vein.

The application provides a jugular vein dialysis catheter joint disinfection sealing fixing device, which comprises a shell, disinfection wiping mechanisms, a sealing outer bag, an arteriovenous catheter joint sealing inner bag, a strip-shaped elastic head cover and an ear cover; a partition plate is horizontally arranged in the shell; an upper cavity is formed above the partition plate in the shell; the disinfection wiping mechanisms are arranged below the partition plate in the shell and close to the front side and the rear side; the sealing outer bag is placed in the upper cavity of the shell; and the arteriovenous catheter joint sealing inner bag is arranged in the sealing outer bag in front and behind. In the insertion process of the arteriovenous catheter joint, the disinfection wiping mechanisms are driven to rotate, the elastic scraping blade is slid and scrapes off dirt (such as blood scabs) in the thread groove, the arteriovenous catheter joint is reduced to be exposed to the outside world, the probability of contamination of the arteriovenous catheter joint is reduced, the workload of medical staff is reduced, and pollution caused by manual operation of the medical staff is avoided.

The present invention relates to a protective device for internal jugular vein catheters used in hemodialysis, belonging to the technical field of medical devices, and includes a neck negative pressure protection plate, a shoulder fixing clip, a negative pressure adsorption gasket, a disinfection atomizer, and a drying and dehumidifying device. A central controller is fixedly arranged on the outer side of the neck negative pressure protection plate. By setting a protective device that can simultaneously achieve firm sealing, waterproof isolation, and automatic and thorough disinfection to prevent infection, the combination of the negative pressure adsorption gasket and the outer drainage holes, combined with the internal drying and dehumidifying machine, is conducive to comprehensively and fully achieving waterproof sealing isolation, providing sufficient protection. Moreover, by using the atomizing disinfector in combination with the drying and dehumidifying device for automatic and thorough disinfection and dressing change, the simplicity of the disinfection operation is greatly improved. Additionally, the atomized disinfectant can fully and thoroughly contact and disinfect the interior, enhancing the disinfection effect, and fully realizing the prevention of possible contamination and infection of the indwelling catheter.

The invention provides a disinfecting, sealing and fixing device for an internal jugular vein dialysis catheter connector. The disinfecting, sealing and fixing device comprises a shell, a disinfecting and wiping mechanism, a sealing outer bag, an arteriovenous catheter connector sealing inner bag, a strip-shaped elastic head sleeve and ear sleeves. A partition plate is transversely arranged in the shell, an upper cavity is formed in the shell and located above the partition plate, and disinfection wiping mechanisms are arranged in the shell and located below the partition plate and close to the front side and the rear side. The sealing outer bag is placed in the upper cavity of the shell, and the sealing inner bags of the arteriovenous catheter connector are arranged in the sealing outer bag in tandem. In the inserting process of the arteriovenous catheter connector, the disinfecting and wiping mechanism is driven to rotate, the elastic scraper slides and scrapes dirt (such as blood scabs) in the threaded groove, the possibility that the arteriovenous catheter connector is exposed to the outside is reduced, the probability that the arteriovenous catheter connector is polluted is reduced, the workload of medical staff is reduced, and the working efficiency of the medical staff is improved. And pollution caused by manual operation of medical staff is avoided.

The utility model discloses an internal jugular vein retractor, it includes two along the horizontal direction interval setting's pull rod, the rear end of two pull rods is fixed and forms the connecting end each other, the front end of two pull rods is curved and forms the arc bight downward, is equipped with the baffle between two arc bights, the baffle is fixed along the two sides of horizontal direction's two pull rods arc bight respectively, the baffle along the vertical direction's lower end extension and arc bight's end portion is flush, and the end portion of arc bight and the lower end surface of baffle are all smooth circular arc surface. The utility model provides an internal jugular vein retractor, when pulling internal jugular vein, it is difficult to cause internal jugular vein puncture, and the contact area with internal jugular vein is big, improves the pull contact range.

This utility model belongs to the field of medical tools, specifically disclosing a hemostatic compression device for hemodialysis catheters, including a shawl, a compression airbag assembly fixed to the inside of the shawl, an air pump, and a pressure monitoring assembly. The compression airbag assembly includes at least two independent first and second airbags. The first airbag is a cylindrical, point-like compression airbag used to compress the internal jugular vein puncture site, and the second airbag is a long, rectangular, linear compression airbag used to comprehensively compress the subcutaneous tunnel. The two airbags are connected to the air pump connector via independent inflation tubes, and the connector contains a one-way valve. The shawl has a fixing and adjustment structure consisting of buckles and nylon hook and loop fasteners. This device achieves effective hemostasis at different bleeding sites after TCC catheter placement through a precise point-line compression method, replacing manual pressure. The hemostatic effect is clear and reliable, the operation is convenient, and the pressure is adjustable and controllable.

1. Name of the Design Product: External Fixator for Internal Jugular Vein Catheterization. 2. Use of the Design Product: External fixator for fixing internal jugular vein catheterization. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph Most Indicating the Design Key Points: Perspective View 1.

The invention belongs to the technical field of animal models, and particularly relates to an ECMO-removed artificial uterine animal model and a construction method thereof. The animal model comprises an animal maternal body, an in-vitro fetus and an artificial uterus, the fetus is from the animal maternal body, blood circulation is established between the animal maternal body and the fetus, the blood circulation starts from the internal carotid artery of the animal maternal body, is connected to the umbilical vein of the fetus through a pipeline and enters the body of the fetus, and after the fetal circulation, the artificial uterus enters the fetal body. Starting from the fetal umbilical artery, entering the internal jugular vein of the animal maternal body through a pipeline; the fetus is located in the artificial uterus, and the artificial uterus provides a sterile artificial amniotic fluid environment for the fetus and maintains the body temperature of the fetus. According to the method, the ECMO-removed artificial uterine animal model is successfully constructed through the pregnant sheep, and the ECMO-removed artificial uterine animal model is maintained for about 90 minutes at most. A feasible animal model is provided for early surgical treatment of fetal congenital diseases and life maintenance of premature fetuses, and a foundation is laid for future clinical transformation.

The present application relates to the technical field of data processing, in particular to a pediatric transcarotid arterial and venous ECMO cannulation depth prediction method and system, comprising: selecting a data object; incision position positioning; according to the corresponding incision position, measuring the depth of the common carotid artery to the innominate artery into the aortic arch at the corresponding incision position as the ECMO arterial cannulation depth; according to the corresponding incision position, measuring the depth of the internal jugular vein to the inferior vena cava into the right atrium at the corresponding incision position as the ECMO venous cannulation depth; establishing a prediction formula; outputting the prediction result for reference; the present application summarizes the existing pediatric transcarotid arterial and venous ECMO cannulation experience, calculates and verifies the prediction formula of the transcarotid arterial and venous ECMO cannulation depth, so as to provide a reference to help doctors more accurately estimate the cannulation depth before cannulation, reduce complications caused by improper cannulation position; the prediction formula can be used as part of the standardized operation, improve the success rate and safety of ECMO cannulation.

The utility model discloses a multifunctional internal jugular vein fixing device, which relates to the technical field of medical aids and comprises a head bandage, a first female sticker is fixedly mounted on the inner wall of the head bandage, a first male sticker is fixedly mounted on the outer wall of the head bandage, and the first male sticker is longer than the first female sticker. A plurality of mounting grooves I, two male stickers III and male stickers II are formed in the outer wall of the head bandage, adhesive stickers are fixedly mounted in the mounting grooves I, a transparent adhesive tape is adhered to one ends of the adhesive stickers, and female stickers II are adhered to one ends of the two male stickers III; after the inner diameter of the head bandage wraps the head of a patient, the first female paste is aligned with the first male paste, the first female paste is pasted to the surface of the first male paste, then the head bandage sleeves the head of the patient, the state of the head bandage can be adjusted according to the diameter or shape of the head of the patient, and the head bandage is suitable for different types of patients and high in applicability.

The utility model relates to the technical field of internal jugular vein catheters, and discloses a protective fixing device for an internal jugular vein catheter, a connecting block is fixedly connected to the side, away from a square groove, of a spring, a first clamping block is fixedly connected to the side, away from the spring, of the connecting block, a first limiting groove is formed in the first clamping block, and a second limiting groove is formed in the second clamping block. A first limiting groove is formed in the first protective block, a second limiting block is slidably connected into the first limiting groove, a second clamping block is fixedly connected to one side of the second limiting block, a second sliding groove is formed in the second protective block, a second sliding block is slidably connected into the second sliding groove, and a connecting column is fixedly connected into the second sliding groove. According to the protective device, the pull ring is pulled, the pull ring drives the first limiting block to be rotationally placed in the third limiting groove in the fixing block, the first protective block and the second protective block are connected together, the protective paste is torn off, the medical adhesive tape is attached to the body of a patient to be fixed, and therefore the catheter can be protected during installation; the situation that the catheter is not protected and is prone to being squeezed after being installed is avoided, the stability of the catheter can be effectively improved after being installed, and therefore a patient is safer.

1. The name of the design product: jugular vein temporary dialysis catheter fixing band. 2. The use of the design product: for ear hanging type fixing jugular vein temporary dialysis catheter. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 change state diagram 1. 5. The design product is a thin product, omitting design 1 left view, design 1 right view, design 1 top view, design 1 bottom view, design 2 left view, design 2 right view, design 2 top view, design 2 bottom view. 6. Design 1 is designated as the basic design.

The invention provides a portal body shunt catheter suite which comprises a body vein catheter and a portal vein catheter, the first end of the body vein catheter is used for being placed in the internal jugular vein or the subclavian vein or the femoral vein, and the second end of the body vein catheter is used for being connected with the second end of the portal vein catheter; the first end of the portal vein catheter is used for being placed in an intrahepatic portal vein. The portal shunt catheter suite comprises the body vein catheter and the portal vein catheter which are connected with each other and work cooperatively, the purpose of portal shunt is achieved, the body vein catheter can be easily placed into the internal jugular vein, the subclavian vein or the femoral vein, and the portal vein catheter can be accurately placed into the intrahepatic portal vein. Blood accumulated in the portal vein of a patient is shunted into systemic circulation, then the portal vein pressure of the patient is reduced, symptoms caused by portal hypertension are relieved for the patient, risks such as esophageal and gastric fundus varicose vein bleeding and ascites can be reduced, and digestive tract bleeding caused by portal hypertension can be effectively treated.

The invention relates to the technical field of data processing, in particular to a child jugular arteriovenous ECMO intubation depth prediction method and system, and the method comprises the steps: selecting a data object; positioning a notch position; according to the corresponding incision position, measuring the blood vessel depth from the common carotid artery to the unknown artery to the aortic arch at the corresponding incision position as the ECMO arterial intubation depth; according to the corresponding incision position, measuring the depth from the internal jugular vein to the inferior vena cava entering the right atrium at the corresponding incision position as the ECMO vein intubation depth; establishing a prediction formula; outputting a prediction result for reference; according to the method, by summarizing the existing infant jugular artery and vein ECMO intubation experience, the prediction formula of the jugular artery and vein ECMO intubation depth is calculated and verified, so that reference can be provided to help a doctor to more accurately estimate the intubation depth before intubation, and complications caused by improper intubation position are reduced; the prediction formula can be used as a part of standardized operation, and the success rate and safety of ECMO intubation are improved.

The utility model discloses a vascular extraluminal stent suitable for assisting internal jugular vein decompression, which belongs to the field of medical instruments and comprises a tubular support body, an opening is axially formed in the support body in a penetrating manner, and the support body comprises two groups of mirror image end parts; the mirror image end part comprises two circumferential end parts arranged on the two sides of the opening, each circumferential end part is provided with a circumferential end face, and the circumferential end faces are always overlapped with the central axis of the supporting main body; the supporting body has elasticity and is in an initial state when not subjected to external force, and the included angle between the two circumferential end faces in the initial state is 90 degrees. The mirror image end portion further comprises axial end portions arranged in the axial direction of the supporting body in a mirror image mode, each axial end portion is provided with an axial end face, and the axial end faces are perpendicular to the central axis of the supporting body. And the fixing part is connected with the group of mirror image end parts, and the fixing part is used for being connected with surrounding tissues outside the blood vessel. By means of the arrangement, extrusion from surrounding tissue can be resisted outside the internal jugular vein.

A system for predicting at least partial rupture or detachment of a vascular plaque that may lead to a stroke or for analyzing the biomechanical properties of the wall of an internal jugular vein in order to predict a risk of thrombosis, comprising: a monitoring device (2) including a temperature sensor (5) configured to measure the temperature of the vascular plaque or the wall of the jugular vein, a vibration sensor (4) configured to measure mechanical waves passing through the vascular plaque and the underlying walls, a motion sensor (6) configured to measure the movements of the plaque or the wall of the jugular vein (6), an electrical sensor configured to measure a parameter related to the electrical impedance of the plaque, an acoustic wave sensor, and a computing unit (10) configured to analyze the data from the monitoring device (2) by artificial intelligence.Figure from the summary: Figure 1.

The utility model provides an internal jugular vein compressor, and belongs to the technical field of medical instruments. The internal jugular vein compressor comprises an upper clamping plate and a lower clamping plate which are installed on an operating bed, two fixing blocks are symmetrically and fixedly connected to the two sides of the outer wall of one end of the upper clamping plate, sliding grooves are formed in the outer walls of the tops of the fixing blocks, a plurality of first limiting clamping grooves are formed in the inner walls of the sliding grooves, and a connecting plate is fixedly connected to one end of the lower clamping plate; the lower clamping plate is fixedly connected with three inner clamping plates which are linearly arranged and distributed; the compression assembly is used for compressing the neck veins of the patient. According to the technical scheme, the compression assembly is arranged to compress the neck vein of a patient, so that the neck vein, close to the superior vena cava, of the patient is not highlighted any more, a PICC catheter is prevented from entering the internal jugular vein in an ectopic mode, and meanwhile adjustment can be conducted according to the neck size of the patient so as to adapt to different patients.

The invention belongs to the technical field of medical teaching models, and particularly relates to an interactive human anatomy head and neck venous return model and a display method thereof. The model comprises a locally transparent head and neck model and a control base. A plurality of LED flexible light bars are arranged in the model according to an anatomical path and are used for simulating main vein blood vessels such as a head-arm vein, an internal jugular vein, a facial vein and a cavernous sinus. According to the control module, through the user interface design of a liquid crystal screen, on one hand, a structural flow chart is organized according to the time-space sequence of venous return, and the navigation effect of autonomous learning of students is achieved; on the other hand, the on-off, the flowing direction and the time sequence of each light bar can be independently controlled through a text button on the liquid crystal screen, so that the vein blood flow direction is dynamically demonstrated. The model can also visually display related clinical cases through touch pressure feedback, can dynamically display the blood flow direction, supports interactive operation, can simulate the clinical pathological process, and is higher in interactivity.

The utility model relates to a central venous catheter maintenance training teaching aid for blood purification, which comprises a human body model, a central venous catheter, a cover plate, a base and a liquid bottle, the internal jugular vein position and the subclavian vein position of the human body model are respectively provided with a groove with the same shape and size, the base is placed in the groove, and the liquid bottle is arranged in the groove. The base is matched with the groove in shape and size, the lower surface of the cover plate is connected with the base, a liquid bottle filled with red liquid is placed in the base, the central venous catheter penetrates through a central hole of the cover plate and is downwards inserted into the bottom of the liquid bottle, and the central venous catheter is fixedly connected with the cover plate. The training aid can be used by clinical nursing personnel for teaching or usual practice, the technical operation level of the clinical nursing personnel is improved, catheter infection complications are reduced, the hospitalization time is shortened, and the pain and social and economic burden of patients are relieved.

The utility model relates to a double-ear hanging type catheter fixator which effectively solves the problem that an internal jugular vein indwelling catheter is inconvenient to fix. Comprising an arc-shaped connecting rod, the connecting rod is made of an elastic material and is in a C shape with a forward opening, inverted-U-shaped hanging rods are fixed to the left side and the right side of the front end of the connecting rod respectively, the connecting positions of the hanging rods and the connecting rod are in an inclined shape with the front portion low and the rear portion high, and the two hanging rods incline in the tangential direction of the connecting positions of the hanging rods and the connecting rod; a fixing block is fixed to the left end of the positioning block on the left side, a swing cover is hinged to the left end of the fixing block, and front-back through pressing grooves are formed in the swing cover and the pressing block respectively; the device is simple in structure, convenient to operate, novel in conception and high in practicability.

The utility model provides an internal jugular vein indwelling catheter fixing device which comprises a sterile application and a fixing assembly, the fixing assembly comprises a fixing pad and a fixing piece, the sterile application and the fixing pad are arranged in a T shape, the bottom face of the sterile application and the bottom face of the fixing pad are provided with pasting faces, and the pasting faces are covered with release paper. The at least one fixing piece is fixedly installed on the top face of the fixing pad and used for fixing two side tubes of the internal jugular vein indwelling catheter. The sterile application is fixedly pasted near a puncture point, a catheter and a side tube near the puncture point are fixed, the fixing pad is fixedly pasted on the neck of a patient, the side tube can be arranged on the top face of the fixing pad in a cushioned mode, the side tube can be prevented from making direct contact with the skin, and the exposed side tube of the internal jugular vein indwelling catheter can be prevented from causing pressure damage to the skin to a certain degree; and meanwhile, the side pipe is fixed through the fixing piece arranged on the top face of the fixing pad, the side pipe can be rapidly and efficiently fixed to the fixing pad, and the fixing effect is good.