18 results about "Internal jugular vein" patented technology

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 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 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.

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.

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 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 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 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.

The utility model relates to an internal jugular vein infusion port tunnel needle with a local infiltration anesthesia function. The main structure comprises a tunnel needle and a needle core, the tunnel needle is a hollow blunt stainless steel rod, anesthesia holes with passivated edges are uniformly distributed in a needle head, and a limiting ring matched with a limiting block at the top end of the needle core is arranged in the needle head. The needle core is cylindrical and hollow, the anesthesia hole of the needle head corresponds to the tunnel needle, the tail end of the needle core is provided with a threaded connector matched with an infusion port pipeline, and the rotation angle of the needle core and the tail end of the tunnel needle is limited through a limiting device of a specific structure. In the surgical operation, anesthetic is injected synchronously when a tunnel is established, the coincidence degree of the anesthesia holes is adjusted by rotating the needle core, and then the flow speed of the anesthetic is controlled. According to the internal jugular vein infusion port implanter, precise anesthesia can be achieved, the pain of a patient is effectively relieved, the operation safety is improved, meanwhile, the operation process is simplified, the operation efficiency is improved, and the good instrument stability and applicability of the internal jugular vein infusion port implanter have positive significance on development of internal jugular vein infusion port implanter implantation.

The invention relates to wearable blood purification simulation training clothes. A radial artery capsule is communicated with a head vein capsule through a vein anastomosis internal fistula pipeline, the head vein capsule is communicated with a femoral vein capsule through a pipeline, and the femoral vein capsule and a subclavian vein capsule are communicated with two liquid inlet ends of a three-way one-way liquid inlet valve through pipelines respectively; the liquid outlet end of the three-way one-way liquid inlet valve is communicated with the circulating water bag through a pipeline, a femoral vein puncture simulation cortex or a femoral vein double-cavity catheter is arranged on the outer side of the femoral vein bag body, and a subclavian vein puncture simulation cortex or a subclavian vein double-cavity catheter is arranged on the outer side of the subclavian vein bag body. An internal jugular vein puncture simulation cortex or an internal jugular vein double-cavity catheter is arranged on the outer side of the internal jugular vein capsule body; the real person is used for implementing operation, the effect is more vivid, the visual sense effect of the user is more easily improved in the simulated training process, and the training operation effect is improved.