56 results about "Peripherally inserted central catheter" patented technology

The invention discloses a PICC catheter recognition method and system based on image recognition, and relates to the technical field of medical image analysis, and the system comprises a medical image input module which is used for obtaining X-ray image data; the improved YOLO-Seg segmentation module is connected with the medical image input module, and the improved YOLO-Seg segmentation module comprises a CSPDarknet backbone network of which the channel number is expanded to 1280, a feature pyramid network for outputting a 4-scale feature map, and a segmentation head containing 32-channel prototype mask generation; and the double attention enhancement module is integrated in the improved YOLO-Seg segmentation module, comprises a channel attention module and a space attention module, and is used for enhancing low-contrast catheter feature response. According to the method, the slender feature extraction capability is enhanced through the 32-channel prototype mask generator, and a catheter continuity reconstruction algorithm based on skeleton analysis is adopted, so that the Dice coefficient of the PICC catheter is improved, the fracture rate of the catheter is reduced, the problem of slender structure segmentation failure is solved, and the catheter segmentation precision is improved.

The invention discloses a magnetic navigation assisted PICC (peripherally inserted central catheter) visual positioning method. The method comprises the following steps: acquiring signal field distribution data; acquiring real-time position information flow and direction information flow according to the signal field distribution data; based on the position information flow and the direction information flow, a data fusion processing technology is adopted, multi-source information is integrated, and dynamic space coordinate data of the PICC in the deep domain of the human body are obtained; according to the dynamic space coordinate data, a real-time acquisition rate optimization model is constructed, and the real-time acquisition rate optimization model is used for analyzing the delay condition of the information feedback speed and judging whether feedback delay exceeds a preset threshold value or not, and the signal field intensity is adjusted according to a judgment result; mapping the position and direction information flow of the PICC to a visual interface according to the adjusted signal field intensity and dynamic space coordinate data to obtain a preliminary dynamic visual image; and obtaining a dynamic visual image through the preliminary dynamic visual image in combination with a guide accuracy calibration mechanism.

The utility model relates to the technical field of medical equipment, in particular to a PICC catheter fixing device which comprises a driving wrist guard plate, a driven wrist guard plate, an adjusting bandage and a PICC catheter body, the driving wrist guard plate and the driven wrist guard plate are connected through the adjusting bandage, wire arrangement grooves are formed in the upper surface of the driving wrist guard plate and the upper surface of the driven wrist guard plate at equal intervals, and the PICC catheter body is arranged in the wire arrangement grooves. The PICC catheter fixing device comprises a PICC catheter body, a driven wrist guard plate is arranged on the PICC catheter body, a limiting clamping plate is rotationally installed on the driven wrist guard plate, the PICC catheter body is clamped in a wire arrangement groove, fixing assemblies are symmetrically arranged on the limiting clamping plate, and the fixing assemblies are used for fixing the end of the PICC catheter body. By means of the innovation point, orderly and reasonable wire arrangement of the PICC catheter body can be achieved, the problem that wire arrangement of the catheter is disordered is effectively avoided, inconvenience possibly caused to a patient due to improper arrangement of the catheter is eliminated, and extremely high practicability is manifested.

The utility model provides a PICC (Peripherally Inserted Central Catheter) replacement auxiliary device, and relates to the technical field of medical auxiliary devices. A PICC replacement auxiliary device comprises a mounting bottom plate, a supporting pad is arranged at the top of the mounting bottom plate, extension sliding plates are horizontally arranged on the two opposite sides of the mounting bottom plate in a sliding mode, the supporting pad is located between the two extension sliding plates, and one extension sliding plate is provided with a through hole. By the adoption of the limb supporting device, the affected limb of a patient can be supported, the arm of the patient can be suspended for operation conveniently, and the risk that the affected limb of the patient is soreness and weakness is reduced; in addition, the dressing change space can be expanded, polluted garbage can be independently placed, and safety and sanitation are better achieved.

The invention relates to an integrated nursing device for eliminating thrombus in a PICC (Peripherally Inserted Central Catheter) by ultrasonic waves, which belongs to the technical field of medical instruments and comprises a handheld host and a disposable treatment head. A venturi negative pressure generating unit and a flushing fluid power unit are integrated in the handheld host. The disposable treatment head comprises a multi-section flexible connection structure capable of self-adapting to bending of the catheter, a miniature ultrasonic suppository breaking unit capable of achieving cross interference focusing based on a single crystal wafer and a reflection cavity, and a multi-layer coaxial cavity structure capable of achieving synchronous suction and flushing. When the device works, ultrasonic energy directly acts on thrombus in a catheter to efficiently crush the thrombus, meanwhile, fragments are removed in time through negative pressure generated by the Venturi effect, and visual state indication is provided through the mechanical feedback unit. The problems that a traditional method is low in efficiency, complex in operation and asynchronous in fragment removal are solved, and safe, efficient and convenient integrated catheter thrombus removal is achieved.

The utility model discloses an improved PICC (Peripherally Inserted Central Catheter) pasting film convenient to fix, which relates to the technical field of medical instruments and comprises a pasting film body, a circular groove is formed in the pasting film body, a gasket is fixedly mounted at the bottom end of the pasting film body and is positioned at the bottom end of the circular groove, a through groove is formed in the gasket, a catheter groove is formed in the bottom end of the pasting film body, and a through hole is formed in the catheter groove. The PICC puncture film pasting device has the advantages that due to the arrangement of the catheter groove and the through groove, when a PICC puncture opening of a patient needs to be pasted with a film, all that is needed is to make the aseptic cotton make contact with the PICC puncture opening, then a PICC is poured out along the through groove and the catheter groove, and then a PICC connector is placed below the third adhesive tape to be fixed; by means of the arrangement of the process, fixing can be conveniently carried out, and the indwelling tube can not fall off or infect a tube puncture inlet when the membrane is replaced.

The utility model discloses a PICC (Peripherally Inserted Central Catheter) waterproof oversleeve with an adjustable supporting position, relates to a medical auxiliary device, and aims to solve the problems of inconvenience in wearing and the like in the prior art. Comprising an integrally-formed silicon rubber case. An inner cavity of the silicon rubber case is used for placing an arm of a patient; two ends of the silica gel sleeve are respectively provided with a cuff communicated cavity; wherein one end close to the palm is a second cuff, and one end close to the elbow is a first cuff; an inner ring is arranged in the cavity and close to the first cuff, and an outer ring is arranged outside the silica gel sleeve; inner buckling teeth are arranged on the inner side of the outer ring, and outer buckling teeth are arranged on the outer side of the inner ring. The outer ring and the inner ring are buckled through matched buckling teeth, and the silica gel sleeve is buckled between the buckling teeth. The silica gel sleeve has the advantages that one cross section of the silica gel sleeve is uniformly fastened by simultaneously fastening the inner ring and the outer ring, the inner ring and the outer ring are matched for use to play two roles, and the two problems in the prior art are solved at the same time: (1) the comfort of a human body is improved; and (2) wearing is more convenient.

The utility model relates to a PICC catheter indwelling auxiliary cart which comprises a cart body, the cart body comprises a table top, a storage rack is arranged above the table top, guardrails are arranged on the periphery of the table top, supporting legs are arranged below the table top, a storage device is arranged at the bottom of the table top, a connecting piece is arranged on one side of the table top through bolts, and the connecting piece is hinged to an arm supporting device. The arm supporting device comprises a supporting plate, a soft cushion and a lifting supporting rod, the bottom of the lifting supporting rod is hinged to the connecting piece through a first rotary knob, the lifting supporting rod is hinged to the supporting plate through a second rotary knob, the soft cushion is connected with the supporting plate through a bolt, the lifting supporting rod can freely adjust the height of the supporting plate vertically, and the supporting plate can move. According to the utility model, the support function can be provided for meeting the requirements of arms of patients with different body positions and different heights, the fatigue of the patients is relieved, the comfort is improved, the pollution caused by the physical strength of the patients in the disinfection process is avoided, and the indwelling catheter requirements in different environments are met.

The utility model discloses a PICC (Peripherally Inserted Central Catheter) arm circumference measuring scale, which comprises a measuring tape, the measuring tape comprises a shell and a measuring tape wound in the shell, the width of the measuring tape is 1cm, front scale marks are printed on the front surface of the measuring tape, auxiliary scale marks used for measuring the arm circumference of an upper limb are also printed on the front surface of the measuring tape, and a telescopic measuring scale is arranged on one side of the shell of the measuring tape. The tail end of the telescopic ruler is an elbow cross grain mark, and an outlet of the tape is arranged below the telescopic ruler, so that the tape is prevented from being rolled and folded during use. The measuring tape has the advantages that by optimizing the structure of a traditional measuring tape, the measuring tape is convenient to store, meanwhile, the telescopic measuring tape is arranged, different measuring functions are conveniently achieved, different measuring requirements are met, and special upper arm circumference measurement for PICC can be achieved.

The utility model relates to the technical field of heating operation tables, in particular to a multifunctional nursing heating operation table suitable for a plateau environment, which is convenient for heating, preserving heat and storing an ostomy bag, reducing infection at a wound, improving safety and improving the convenience of changing the ostomy bag of a patient and a PICC (Peripherally Inserted Central Catheter) in medical treatment of personnel. Comprising a base and a heat preservation box installed on the outer side wall of the base. An electric heating plate is arranged at the bottom in the heat preservation box, the sealing cover is rotationally installed at an opening in the top end of the heat preservation box through a hinge, the supporting table is installed on the base through the supporting device, and the supporting device is used for driving the supporting table to move in a lifting mode; the ultraviolet disinfection lamp is installed on the inner side wall of the sealing cover, and the protection assembly is arranged on the outer side wall of the supporting table and used for protecting the edge of the supporting table.

The utility model discloses a multifunctional PICC (Peripherally Inserted Central Catheter) catheterization and maintenance integrated bed, and solves the problems in the prior art that arms of a patient need to be extended and suspended for a long time during catheterization, a special structure is lacked, the labor intensity of an operation mode is high, and the comfort of the patient is poor. Comprising a bed body with a lifting bed frame arranged on the upper portion, a bed board leg area, a bed board body area and a bed board head area which are continuously arranged are arranged on the lifting bed frame, and foldable lifting side plates are arranged on the left side and the right side of the lifting bed frame in an assembled mode respectively; a sharp instrument box and a garbage can are arranged in a storage retainer below the lifting bedstead and in the bed body frame, and the bottom of the storage retainer is arranged on a storage guide rail in a sliding manner through a storage driving mechanism; and four corners of the bottom of the bed body are respectively provided with a landing rubber pad and a turnover trundle. The bed is reasonable in design and compact in structure, the side plates on the two sides can be unfolded according to needs, the height of the bed body and the angle of the back bed plate can be adjusted, a garbage can and a sharp instrument box can be stored, space is saved, use is convenient and reliable, and practicability is high.

1. The name of this design product: Peripherally inserted central venous catheter. 2. Purpose of the product with this design: Peripherally inserted central venous catheters are suitable for establishing short-term or long-term access from peripheral blood vessels into the central venous system for intravenous infusion and blood extraction, high-pressure injection of contrast agents and central venous pressure monitoring. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. Omit the left view and the right view.

The invention relates to the technical field of medical body fixing devices, and discloses a universal adjustable locking PICC (peripherally inserted central catheter) arm supporting device which comprises an arm supporting plate, a universal adjusting mechanism and a fixing clamp, the arm supporting plate is mounted on the fixing clamp through the universal adjusting mechanism, and the fixing clamp is used for fixing the PICC arm supporting device beside a sickbed; according to the PICC catheterization arm supporting device, by arranging the universal adjusting mechanism, multi-dimensional accurate adjustment and stable supporting are achieved, the height of the arm supporting plate can be adjusted, and the direction can be rotatably changed through the locking sleeve and the lifting rod; through the swing adjusting assembly and the multi-direction deflection adjusting assembly, the arm supporting plate has the local large-angle swing adjusting function and the small-angle multi-direction deflection adjusting function, the position can be locked through the universal adjusting mechanism, shaking is avoided, and the effects of multi-dimensional flexible adjusting and reliable locking performance are achieved; and different angle requirements of supporting arms of patients with different body characteristics before PICC (Peripherally Inserted Central Catheter) catheterization can be met.

The utility model belongs to the technical field of medical treatment, and particularly relates to a PICC (Peripherally Inserted Central Catheter) protective sleeve which comprises two shells and a plurality of circular plates, a PVC (Polyvinyl Chloride) waterproof film is fixedly connected between the two shells, circular through holes are formed in the circular plates, the diameters of the circular through holes of the circular plates are different, first air bags are fixedly connected in the circular through holes, and second air bags are fixedly connected in the first air bags. The upper side of the first air bag is fixedly connected with a first inflation inlet, and the first air bag inputs and outputs the first filling medium through the first inflation inlet. By arranging the PVC waterproof film, the first air bag and the second air bag, a protective sleeve with good waterproofness can be formed on the outer side of the area, where PICC is reserved, of the upper limb of a user, the infection phenomenon caused when the user makes contact with water flow in the washing process is reduced, and by replacing the circular plate, the PICC upper limb protection device can be suitable for different upper limb dimensions.

The utility model relates to the technical field of nursing, in particular to a PICC (Peripherally Inserted Central Catheter) maintenance article storage box which comprises a storage box body, a handle arranged on the storage box body, a maintenance article placing box, a medical waste recycling box and an adjustable supporting mechanism, two independent storage grooves are formed in the storage box body, and groove openings are formed in the side wall of the storage box body. Compared with the prior art, the storage box has the advantages that the adjustable supporting mechanism is arranged on the storage box body, when the arms of a patient need to be supported, the supporting mechanism can be directly used for supporting the arms of the patient, other objects do not need to be found, the working efficiency is improved, and the labor intensity of the patient is reduced. Meanwhile, the supporting height and the supporting angle of the supporting mechanism can be adjusted according to needs, use is flexible, medical waste generated during maintenance can be conveniently recycled by arranging a medical waste recycling box, and meanwhile when the medical waste recycling box is pulled out, a limiting plate at the bottom of the medical waste recycling box is attached to the top face of the storage table and matched with the storage box body, so that the supporting stability of the device is improved.

The utility model discloses a PICC (Peripherally Inserted Central Catheter) fixing and pressing-preventing device which comprises a first fitting part, a second fitting part and a third fitting part, a hose guide structure is arranged on the outer side face of the second attaching part, and the hose guide structure is provided with a hose guide groove; the infusion connector is matched with the first limiting structure so as to be limited by the first limiting structure, one end of the infusion connector is connected with an in-vitro hose, and the in-vitro hose is partially embedded into the hose guide groove. The first attaching portion and the second attaching portion are attached to the skin, pressure sores caused by direct contact between the infusion connector and the in-vitro hose and the skin are avoided, the infusion connector is limited through the first limiting structure, the in-vitro hose is guided and limited through the hose guide groove of the hose guide structure, discomfort and risks of a patient are reduced, and the safety of the patient is improved. And extra workload brought to medical staff is also avoided.

The utility model provides a PICC (Peripherally Inserted Central Catheter) fixing cuff device, which comprises a cuff body and a fixing component, the fixing component is fixed on one side of the cuff body deviating from a to-be-fixed part, the fixing component comprises a hair surface sticking part, an adhesive tape, a first hook surface sticking part and a second hook surface sticking part, the adhesive tape is fixed on the cuff body and is used for sticking and fixing a catheter joint, and the first hook surface sticking part is used for sticking and fixing the catheter joint. Each of the first hook surface sticking part and the second hook surface sticking part comprises a fixed end and a free end, and the fixed ends of the first hook surface sticking part and the second hook surface sticking part are respectively fixed on two opposite sides of the adhesive tape; a receding hole is formed in the first hook face pasting part, the free end of the second hook face pasting part can penetrate through the receding hole after being folded and is pasted on the hair face pasting part, and the free end of the first hook face pasting part can be folded and pasted on the hair face pasting part, so that the first hook face pasting part and the second hook face pasting part wrap the catheter connector in a crossed mode. The catheter connector can be firmly fixed, the catheter connector and the catheter are prevented from being pulled and falling off, and the fixing effect on the PICC is improved.

The invention relates to the technical field of PICC catheterization assistance, and provides a PICC catheterization assisting device which comprises a base, the top of the base is fixedly connected with a first limiting plate, a limiting mechanism is fixedly installed at the top of the base and comprises a threaded rod fixedly installed at the top of the base, a bearing plate is installed on the outer wall of the threaded rod, and the bearing plate is fixedly connected with the first limiting plate. And the outer wall of the bearing plate is fixedly connected with a second limiting plate. The base is placed on a sickbed, then the forearm of a patient is placed on a first limiting plate, a bearing plate can be adjusted in a lifting mode along a threaded rod by rotating a threaded block, the bearing plate is driven to stably slide along a guide rod, and a catheter containing barrel fixedly connected to the top of a second limiting plate descends to the position above the arm; at the moment, one end of the catheter is inserted from one end of the catheter containing barrel, the catheter penetrates through the catheter containing barrel and is inserted into the catheter insertion sheath fixed to the arm of the patient, and auxiliary insertion of the catheter can be facilitated.

1. The name of the design product: central venous catheter fixing patch (waterproof PICC). 2. The use of the design product: the fixing patch for peripherally inserted central catheter is used for buffering to prevent plastic accessories from damaging the skin and forming pressure sores, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model discloses an intelligent PICC catheter positioning device which comprises a fixing plate, symmetrical limiting through holes are formed in the front face of the fixing plate, heating pipes are installed in the two limiting through holes, a catheter body is arranged in the fixing plate, a controller is installed on the upper surface of the fixing plate, and the heating pipes are connected with the controller. A heart rate monitor is arranged in the fixing plate, a protective pad is fixedly connected to the bottom face of the fixing plate, the catheter body comprises an infusion tube, a catheter needle is arranged at the front end of the infusion tube, a connector is arranged at the rear end of the infusion tube, a fastening ring is fixedly connected to the rear end of the connector, and a display screen is arranged on the upper surface of the controller. And an operation button is arranged on the upper surface of the controller. The heart rate of a patient can be displayed in real time through the display screen, the heart rate of the patient can be monitored in real time through cooperation of the heart rate monitor and the monitoring probe, the intelligence and safety of the equipment are improved, and workers can use the equipment conveniently.

The utility model discloses a PICC (Peripherally Inserted Central Catheter) waterproof protective sleeve with a pressurizing structure, and aims to solve the problems that in the prior art, a PICC puncture tube is fixed by using a medical application, the application is easy to edge and difficult to fix when a patient sweats, a PICC tube head is exposed outside and is easy to be pulled out by the patient accidentally, the PICC tube cannot be well protected, and the PICC puncture tube cannot be damaged. And the technical problems that the PICC puncture point cannot be waterproof and the waterproof operation is troublesome are solved. The PICC waterproof protective sleeve comprises a waterproof air bag ring, a waterproof film is installed in the waterproof air bag ring, an external thread connector is installed on the outer surface of the waterproof film in a penetrating mode, and an internal thread sealing cover is arranged above the external thread connector. The PICC puncture tube head is prevented from being accidentally pulled out due to exposure, the safety of the PICC tube head in use and the waterproof effect on a PICC puncture point are improved, and the PICC puncture point can be rapidly stopped from bleeding.

The invention relates to an ultrasonic probe fixing instrument based on PICC (Peripherally Inserted Central Catheter) guide needle puncture and an application method of the ultrasonic probe fixing instrument. The adsorption assembly is arranged at the bottom of the moving frame, is of a telescopic structure and is used for being adsorbed and fixed to the ground. The movable supporting assembly is connected to the top of the movable frame and is configured to be capable of adjusting the height and angle in multiple directions. The mounting base is connected to the tail end of the movable supporting assembly through a deformation hose, and the mounting base is connected with a first clamping component and a second clamping component; the adjusting assembly is arranged on the mounting base and matched with the first clamping component and the second clamping component, and the control switch is matched with the adjusting assembly. The adjusting assembly synchronously controls locking and releasing of the first clamping component and the second clamping component, meanwhile, the state of the adsorption assembly and the state of the movable supporting assembly are linked through the control switch, integrated operation of ultrasonic probe clamping and fixing and instrument position adjusting is achieved, the process is simplified, and the operation steps of medical staff are reduced.

The utility model discloses an upper limb pneumatic pump with a hand training function for a PICC (Peripherally Inserted Central Catheter) patient, which comprises an upper limb sleeve and an air pump, an air bag strip is arranged in the upper limb sleeve, the upper limb pneumatic pump further comprises a training plate, the training plate is connected with the edge of the upper limb sleeve through a connecting strip, a movable block is movably mounted on the upper surface of the training plate, and the air pump is connected with the upper limb sleeve. Five track strips are arranged on the periphery of the movable block, each track strip is movably connected with a finger ring, a telescopic air cylinder is installed on the lower surface of the training plate, and the air pump is communicated with the telescopic air cylinder and the air bag strips through Y-shaped air pipes. The upper limb sleeves are worn on the arms of the patient, the hands of the patient are placed on the training plate, the palm center is tightly attached to the movable blocks, and the fingers are sleeved with the finger rings, when the air pump is inflated, the air bag strips are controlled to bulge to massage the arms of the patient, and the telescopic air cylinders are controlled to stretch, jack up the movable blocks and drive the fingers of the patient to bend towards the palm center; therefore, the effect of carrying out activity training on the hands is achieved.

The utility model discloses a PICC (Peripherally Inserted Central Catheter) fixing piece which comprises a protective plate, a bonding strip is arranged on the side of one end of the protective plate, air holes are formed in the protective plate, a catheter bottom sheath is arranged on the side, opposite to the bonding strip, of the protective plate, a catheter top sheath is connected to the upper end of the catheter bottom sheath, and a positioning rod is arranged on the side, located on the catheter bottom sheath, of the protective plate. The PICC protection plate has the advantages that when the PICC protection plate is used, the protection plate is located on the skin of a patient and is erected through the bonding strips, normal ventilation of the skin of the patient can be facilitated through the ventilation holes, the catheter top protection sleeve is combined on the catheter bottom protection sleeve through the trapezoidal sliding block, and therefore the PICC protection plate is convenient to use. The head of the PICC catheter can be fixed, the tail of the PICC catheter is fixed through the positioning rod, the structure is compact, operation is convenient, and later dismounting is convenient.

The invention discloses an intelligent PICC (Peripherally Inserted Central Catheter) for tumor chemotherapy and a positioning system, and belongs to the technical field of biomedical engineering. The problem that puncture is inaccurate due to certain subjectivity in selection of puncture points in the prior art is solved, importance evaluation is carried out through the blood vessel image features and the blood flow parameter features, the features which have the most influence on the predicted puncture result can be screened out, therefore, the model complexity is reduced, and the puncture accuracy is improved. The operation efficiency and generalization ability of the model are improved; input data is subjected to weighted average according to feature importance, so that the random forest model pays more attention to important features, and the accuracy and reliability of model prediction are improved; through cooperative work of a plurality of modules, the positioning system is more accurate and efficient when recommending an optimal puncture point, so that the puncture success rate is effectively improved, the complication risk is reduced, powerful decision support is provided for medical staff, and the treatment experience and safety of a patient are improved.

The utility model relates to the technical field of medical supplies, in particular to a PICC (Peripherally Inserted Central Catheter) universal protective sleeve which comprises a wear-resistant nylon sheath, a through visible puncture opening is formed in the front part of the outer surface of the wear-resistant nylon sheath, and a waterproof polyurethane coating is coated on the inner wall of the wear-resistant nylon sheath. The inner wall of the waterproof polyurethane coating is fixedly connected with a skin-friendly cotton gauze inner sleeve layer, the inner wall of the skin-friendly cotton gauze inner sleeve layer is coated with an antibacterial silver ion fiber layer, the front portion of the outer surface of the wear-resistant nylon sheath is fixedly connected with an outer hard hook-and-loop fastener, and the visual puncture opening is located on the inner side of the outer hard hook-and-loop fastener. The PICC universal protective sleeve has the advantages that the PICC universal protective sleeve is provided with an adjustable fixing structure which can be adaptive to limbs with different thicknesses and can be stably fixed, the conditions of a catheter and a puncture part can be conveniently observed by the aid of a visual operation component, the internal multi-layer protective structure has the advantages of waterproofness, skin friendliness, antibiosis and the like, and the PICC universal protective sleeve can comprehensively guarantee the use safety of the PICC and the comfort level of a patient.

The utility model relates to a PICC (Peripherally Inserted Central Catheter) pipeline protection device which comprises a nursing sleeve and a catheter fixer, adjustable elastic fasteners are symmetrically arranged on the outer walls of the two ends of the nursing sleeve; a catheter fixator is fixed to the outer wall of the center of the nursing sleeve, and a nursing sleeve crevasse is formed between the catheter fixator and the adjustable elastic hook-and-loop fastener. The top of the catheter fixer is connected with a PICC positive pressure joint; the PICC positive pressure connector is connected with a PICC catheter, one end of the PICC catheter is connected with the PICC positive pressure connector, and the other end of the PICC catheter extends into the nursing sleeve through the nursing sleeve crevasse. The PICC catheter has the advantages that the tightness-adjustable thread gluing technology is adopted, the situation that a catheter cannot be completely wrapped by the curled edge of the net sleeve due to the fact that the net sleeve rubs when clothes are put on and taken off is effectively improved, and the PICC catheter is suitable for any patient needing to use the PICC catheter in clinic; by arranging the crevasse and the integrated PICC fixing device on the nursing sleeve, the PICC is rapidly fixed and can be rapidly separated under the condition that the nursing sleeve is not removed, and the efficiency of replacing auxiliary materials is improved.

The utility model relates to a PICC (Peripherally Inserted Central Catheter) treatment vehicle with a limb fixing device, comprising: a vehicle body, the middle of which is provided with a hollow layer, and the hollow layer is internally provided with a connecting column extending along the vertical direction; the limb fixing assembly comprises a bearing plate, a drawing plate and a limiting piece; the bearing plate comprises a bottom plate and connecting parts, the connecting parts are arranged on the two sides of the bottom plate respectively, and the connecting parts are movably connected to the connecting columns in the vertical direction; guide grooves extending in the horizontal direction are formed in the side face of the connecting part, and the two sides of the drawing plate are inserted into the guide grooves correspondingly, so that the drawing plate is movably connected with the connecting part in the horizontal direction. Limiting pieces are arranged at the two ends of the connecting part respectively, and limiting holes matched with the limiting pieces are formed in the two ends of the drawing plate respectively. One end of the vertical adjusting device is connected with the vehicle body, and the other end of the vertical adjusting device is connected with the bearing plate. The left arm and the right arm can be selected at the same time, and the corresponding arms can be supported.

The utility model discloses a tumor nursing clinical PICC catheter limiter which comprises a breathable layer, a clamping box body is installed in the middle of the upper end of the breathable layer, two sets of symmetrically-distributed positioning columns are movably installed in an inner cavity of the clamping box body, and locking box covers are movably installed on the left side and the right side of the upper end of the clamping box body. The front end and the rear end of the clamping box body are each provided with two sets of symmetrically-distributed locking mechanisms, each locking mechanism comprises an inserting block, the inserting blocks are provided with matched clamping claws used for clamping and locking the box cover, and a bonding layer is attached to the lower end of the breathable layer. A medical worker can conveniently take out a catheter connector clamped between the clamping box body and the locking box cover, a locking mechanism and a clamping claw are arranged, a pressing head is pressed, a matched clamping claw moves inwards, and the situation that the medical worker pulls a catheter with too large force when opening the locking box cover, and pain is brought to a patient is avoided.