Disclosure of Invention
Therefore, the embodiment of the invention provides a PICC (peripherally inserted central catheter) auxiliary device, which aims to solve the problems that in the prior art, due to the fact that the equipment is simple in structure, a nurse cannot well master the pushing depth when pushing a catheter, the aim can be achieved only by means of multiple operations of external auxiliary components, the PICC auxiliary device is complex in operation, meanwhile, the catheter cannot be well fixed when pushing, once the nurse or a patient is improperly operated, the catheter is easily displaced, the nurse needs to be positioned again, the life safety of the patient is threatened, and the protection performance is poor.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
The PICC puts a tub auxiliary device, including scanning assembly, the top of scanning assembly is provided with fixed subassembly, the top of fixed subassembly is installed and is adjusted the subassembly, the top of adjusting the subassembly is equipped with the clamping assembly, the scanning assembly includes fixed cover, divide into scanning room and sliding chamber through the separate piece in the fixed cover, install the CCD camera in the scanning room the top of CCD camera is equipped with bee calling organ;
The clamping assembly comprises a clamping cover and a movable lead screw rotationally connected in the clamping cover, sliding blocks are connected in the clamping cover in a sliding mode, a plurality of clamping blocks limiting the adjusting assembly are arranged on the lower surface of each sliding block at equal intervals, two sliding covers are symmetrically arranged on the upper surface of each sliding block, a pressing cover is connected in the sliding mode in the sliding cover, a pressing spring is fixedly installed between each sliding cover and each pressing cover, a sliding sleeve is connected to each movable lead screw in a sliding mode, two connecting rods are symmetrically installed on each sliding sleeve, each connecting rod is connected with the corresponding pressing cover through one rotating connecting rod, and a rotating column is installed at the center position of each rotating connecting rod.
As a preferable scheme of the invention, two isolation supporting blocks are symmetrically arranged on the lower surface of the clamping cover, and the connecting rod is of an L-shaped structure.
As a preferable scheme of the invention, the adjusting assembly comprises an adjusting limiting block, an adjusting screw rod is rotatably connected to the adjusting limiting block, a manual rotary table is arranged at one end of the adjusting screw rod, an adjusting sliding sleeve is connected to the side wall of the adjusting screw rod in a sliding manner, and a clamping assembly penetrating into the fixing assembly is connected to the side wall of the adjusting sliding sleeve.
As a preferable scheme of the invention, the outer walls of two sides of the fixed cover are respectively provided with a main limiting component, the outer walls of the other two sides of the fixed cover are respectively provided with an auxiliary limiting component, the main limiting components comprise bearing blocks, clamping rotating columns are rotationally connected with the bearing blocks, clamping tensioning springs are fixedly arranged between the clamping rotating columns and the bearing blocks, the clamping rotating columns are connected with clamping limiting blocks at one ends far away from the bearing blocks through the clamping springs, and one side outer wall of each clamping limiting block is provided with a limiting sliding block.
As a preferable scheme of the invention, the auxiliary limiting assembly comprises a clamping fixing block and a spring bearing table positioned in the sliding chamber, a plurality of sliding columns are fixedly arranged on one side surface of the clamping fixing block, the sliding columns are positioned in the sliding chamber, a sliding column tensioning spring is fixedly arranged between the sliding columns and the spring bearing table, and a limiting sliding block is also arranged on one side surface of the clamping fixing block.
As a preferable scheme of the invention, the limit sliding block comprises a rubber limit block, a plurality of cable clamping grooves are formed in the rubber limit block at equal intervals, rubber clamping blocks which are in sliding connection with the rubber limit block are arranged in the cable clamping grooves, and a push limit spring is fixedly arranged between the rubber clamping blocks and the rubber limit block.
As a preferable scheme of the invention, the fixing assembly comprises a lower fixing sleeve positioned above a fixing cover, an upper fixing sleeve is arranged above the lower fixing sleeve, a tensioning cover is arranged on one side of the lower fixing sleeve, a sliding cover is arranged on the other side of the lower fixing sleeve, and two rubber supporting blocks are symmetrically arranged on the inner surface of the upper fixing sleeve.
As a preferable scheme of the invention, the sliding cover is rotationally connected with the sliding screw, the lower end of the sliding screw is provided with the manual rotating teeth, the position of the side wall of the lower end of the sliding cover corresponding to the manual rotating teeth is provided with the rotating teeth passing groove, the side wall of the sliding screw is slidingly connected with the lifting sliding frame, and the lifting sliding frame is positioned in the sliding cover and is directly connected with the upper fixing sleeve.
As a preferred scheme of the invention, a reset spring which is directly connected with the upper fixing sleeve and used for pulling back the upper fixing sleeve is arranged in the tensioning cover.
As a preferable scheme of the invention, the clamping assembly comprises a fixed clamping block directly connected with the adjusting sliding sleeve, one side of the fixed clamping block is rotationally connected with a movable clamping block, and a movable pull-back spring is fixedly arranged between the fixed clamping block and the movable clamping block.
Embodiments of the present invention have the following advantages:
(1) The device is provided with the adjusting component and the clamping component, when a user needs to put a tube, the clamping component can be driven to push the catheter to move by rotating the adjusting screw rod on the adjusting component, the pushing depth can be mastered according to the scale bar on the upper fixed sleeve when the clamping component moves, the operation is very convenient and quick, meanwhile, the clamping component in the device can clamp the adjusting screw rod when the CCD camera scans, so that the position of the catheter is limited, the user does not need to pay attention to the change of a waveform chart while operating, the corresponding waveform change is captured, even if a nurse or a patient does not operate improperly, the catheter cannot be easily shifted, the situation that the patient needs to be positioned again is avoided, and the protection performance is high;
(2) This equipment is provided with main spacing subassembly and vice spacing subassembly, when user's erection equipment, only with the slip post on the vice spacing subassembly of direct pull-out for the electrocardiograph is cliied to the centre gripping fixed block in order to realize preliminary fixed, later rotates the centre gripping and rotates the post, makes the centre gripping stopper also cliied electrocardiograph, alright realize secondary fixed, its easy operation is convenient, has all set up spacing sliding block on main spacing subassembly and vice spacing subassembly simultaneously, its power cord that can block junction device, makes the power cord by fully fixed, thereby avoided the longer condition emergence that influences the catheterization operation of power cord.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.
FIG. 1 is a block diagram of the structure of the present invention;
FIG. 2 is a side view partially in cross-section of the present invention;
FIG. 3 is a top partial cross-sectional view of the present invention;
FIG. 4 is an enlarged view of FIG. 1 at A;
Fig. 5 is a front cross-sectional view of the detent assembly of the present invention.
In the figure:
1-a scanning assembly; 2-fixing the assembly; 3-an adjustment assembly; 4-a main limiting component; 5-an auxiliary limiting assembly; 6-clamping assembly; 7-a clamping assembly;
101-a fixed cover; 102-dividing blocks; 103-a CCD camera; 104-a buzzer; 105-a scanning room; 106-a sliding chamber;
201-upper fixing sleeve; 202-lower fixing sleeve; 203-tightening the cover; 204-sliding cover; 205-return spring; 206-sliding a lead screw; 207-manual turning; 208-lifting a sliding frame; 209-passing the rotating teeth through the slots; 210-rubber support blocks;
301-adjusting a limiting block; 302-adjusting a screw; 303-adjusting the sliding sleeve; 304-a manual turntable;
401-a carrier block; 402-clamping the rotating column; 403-clamping tension spring; 404-clamping a limiting block; 405-clamping a spring; 406-limiting sliding blocks; 407-rubber limit block; 408-cable-gripping slots; 409-rubber gripping blocks; 410-pushing a limit spring;
501-clamping a fixed block; 502-sliding column; 503-a strut tensioning spring; 504-spring-loaded stage;
601-a clamping cover; 602-sliding blocks; 603-a clamping block; 604-movable lead screw; 605-sliding sleeve; 606-connecting rods; 607-rotating the connecting rod; 608-rotating the column; 609-a sliding cover; 610-pressing the cap; 611-pressing a spring; 612-isolating support blocks;
701-fixing clamp blocks; 702—a movable clamp block; 703-a movable pullback spring.
Detailed Description
Other advantages and advantages of the present invention will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the invention, the electrocardiographic waveform diagram on the electrocardiographic monitor is scanned by arranging the scanning component, and is analyzed after being obtained, and an alarm signal is sent out according to the analysis result, so that medical staff is reminded, and the movement of the PICC catheter is limited while the scanning signal is captured, thereby avoiding the occurrence of unnecessary abnormal movement phenomenon. Avoiding the medical staff from being distracted to pay attention to the change of the waveform diagram while operating, and capturing the corresponding waveform change.
As shown in fig. 1 to 5, the invention provides a PICC catheter placement auxiliary device, which comprises a scanning assembly 1, wherein the scanning assembly 1 can be externally connected with a printer, so that scanned electrocardiographic information is printed out to facilitate subsequent operation of nurses, the working efficiency and accuracy of medical staff are greatly improved through automatic identification, image reading, marking and printing, a fixing assembly 2 is arranged above the scanning assembly 1, an adjusting assembly 3 is arranged above the fixing assembly 2, the adjusting assembly 3 can accurately control the insertion depth of a PICC catheter, the operation is simple, the accuracy is high, a clamping assembly 6 is arranged above the adjusting assembly 3, and the clamping assembly 6 can clamp an adjusting screw 302 on the adjusting assembly 3, so that the nurses can limit the position of the PICC catheter when the nurses do not insert the catheter any more, and the PICC catheter cannot be easily interfered by the outside.
The scanning assembly 1 comprises a fixed cover 101, the fixed cover 101 is internally divided into a scanning chamber 105 and a sliding chamber 106 through a separation block 102, a CCD camera 103 is installed in the scanning chamber 105, the CCD camera 103 and a buzzer 104 are common devices in the market, the buzzer 104 is arranged above the CCD camera 103, the buzzer 104 needs to operate according to the CCD camera 103, an external printer can be controlled to automatically print when a target waveform is read, meanwhile, the clamping assembly 6 is controlled to clamp an adjusting screw 302, so that the catheter does not advance any more, and a ' captured two-way P wave ' prompt tone is sent out, when the catheter tip reaches 1/3 below an upper vena cava and is very close to a right atrium, the P wave is inverted, at the moment, the catheter is pulled outwards, namely the two-way P wave can appear when the tip is retracted, and the adjusting screw is used for preventing the catheter from being clamped, after tension, the nurse can manually control the clamping assembly 6 to reset and then slowly pull out the catheter outwards, when the ' captured P wave height is 60% ' high ', the control clamp the clamping assembly 6 is controlled to clamp the catheter, the two-way P wave is not required to be clamped when the tip reaches the right vena right atrium, the catheter is not required to reach the right vena, and the two-way P wave is required to reach the right atrium, and the catheter is prevented from being retracted by the nurse to reach the right atrium, and the tip 80 is required to reach the right atrium, and the end is prevented from reaching the end, and reaching the right atrium, and the end 80. When the waveform changes, the target waveform at the position of blurring is automatically captured and automatically virtual, so that the printed waveform diagram can be directly clipped during post-processing.
In the above, the CCD camera related to the invention can realize the analysis of images through an external computer, accurately acquire three-state electrocardiogram waveform curves with resting state, bidirectional P wave and P wave amplitude reaching 50% -80% of QRS wave before tube arrangement, automatically record corresponding electrocardiograms, automatically capture and print the corresponding waveform diagrams through the curves, and complete the whole identification process by intellectualization, thereby reducing the technical level requirements on operating medical staff, and enabling young medical staff to timely find and capture the change of the electrocardiograms by means of the technology when the young medical staff is on duty.
When the device is used, the arm of a patient can be directly clamped through the fixing component 2, meanwhile, the guide tube is clamped through the adjusting component 3, then, the electrocardiograph is clamped through the main limiting component 4 and the auxiliary limiting component 5 on the scanning component 1, the operation is extremely simple and convenient, and when the scanning component 1 is reused, once the buzzer 104 emits sound, the clamping component 6 can clamp the adjusting screw 302 on the adjusting component 3, so that a nurse can not easily move the position of the guide tube any more, the fault tolerance rate and the safety are improved, and the protection performance of the device is higher than that of the traditional device.
The clamping assembly 6 comprises a clamping cover 601 and a movable lead screw 604 rotatably connected in the clamping cover 601, the movable lead screw 604 is positioned on one side of a sliding block 602, meanwhile, one end of the movable lead screw 604 is connected with a driving motor, the opening and closing of the driving motor can be controlled by the scanning assembly 1 and can also be controlled outside, the sliding block 602 is slidably connected in the clamping cover 601, a plurality of clamping blocks 603 limited by the adjusting assembly 3 are arranged on the lower surface of the sliding block 602 at equal intervals, two sliding covers 609 are symmetrically arranged on the upper surface of the sliding block 602, a pressing cover 610 is slidably connected in the sliding cover 609, a pressing spring 611 is fixedly arranged between the sliding cover 609 and the pressing cover 610, a sliding sleeve 605 is slidably connected on the movable lead screw 604, two connecting rods 606 are symmetrically arranged on the sliding sleeve 605, the connecting rods 606 can drive the rotating connecting rods 607 to move, the rotating connecting rods 610 are indirectly connected with the pressing cover 610 in a sliding manner, the rotating connecting rods 607 are connected with the rotating rods 607 at the center position of the rotating rods 607, the rotating rods 607 are slidably arranged at the center position of the rotating rods 607, and the rotating rods 607 are positioned at the center of the rotating rods 608, and the rotating rods 608 are positioned at the center of the rotating columns to be pressed by the rotating columns 608.
When the clamping assembly 6 is used, once the movable screw rod 604 moves, the sliding sleeve 605 slides, the connecting rod 606 is driven to move when the sliding sleeve 605 slides, when the connecting rod 606 moves upwards, one end of the rotating connecting rod 607 is driven to tilt, then the other end of the rotating connecting rod 607 is driven to press down so that the pressing cover 610 slides along the sliding cover 609, at the moment, the pressing spring 611 is pressed by the pressing cover 610, so that the sliding block 602 slides down along the clamping cover 601, then the clamping block 603 is driven to slide down so that the adjusting screw 302 is pressed, and then the adjusting screw 302 cannot rotate easily even if a user rotates the manual turntable 304.
The lower surface symmetry of screens cover 601 is provided with two isolation supporting shoe 612, and these two isolation supporting shoe 612 can support the screens cover 601 for adjusting lead screw 302 is located between two isolation supporting shoe 612, and screens piece 603 is located adjusting lead screw 302 directly over simultaneously, and in case screens piece 603 pushes down just can push down adjusting lead screw 302, makes it can not rotate at will, connecting rod 606 is L type structure, and this connecting rod 606 is L type structure, in order to make rotation connecting rod 607 normally driven the rotation by sliding sleeve 605.
The adjusting assembly 3 comprises an adjusting limiting block 301, the position of an adjusting sliding sleeve 303 can be limited by the adjusting limiting block 301, then once a user rotates a manual rotary table 304, the adjusting sliding sleeve 302 can be driven to rotate, then the adjusting sliding sleeve 303 can slide along the adjusting sliding sleeve 302, then the clamping assembly 7 can move along the adjusting sliding sleeve 303, so that a guide pipe is driven, then once the buzzer 104 works, the clamping assembly 6 can also work, the rotation of the adjusting sliding sleeve 302 is stopped, the adjusting sliding sleeve 302 is rotationally connected to the adjusting limiting block 301, one end of the adjusting sliding sleeve 302 is provided with the manual rotary table 304, the side wall of the adjusting sliding sleeve 302 is connected with the adjusting sliding sleeve 303 in a sliding manner, and the side wall of the adjusting sliding sleeve 303 is connected with the clamping assembly 7 penetrating into the fixing assembly 2.
The fixed cover 101 both sides outer wall all is provided with main spacing subassembly 4, and be in the other both sides outer wall of fixed cover 101 all is equipped with vice spacing subassembly 5, and this vice spacing subassembly 5 can make equipment by fixed on the electrocardiograph together with main spacing subassembly 4, main spacing subassembly 4 includes carrier block 401, the rotatory centre gripping rotation post 402 that is connected with of carrier block 401, fixed mounting has centre gripping tensioning spring 403 between centre gripping rotation post 402 and the carrier block 401, centre gripping rotation post 402 is connected with centre gripping stopper 404 through centre gripping spring 405 in the one end of keeping away from carrier block 401, one side outer wall of centre gripping stopper 404 is provided with spacing slider 406, and this spacing slider 406 can block the electrocardiograph also can block the power cord, and this vice spacing subassembly 5 can directly stir centre gripping stopper 404 when using, makes it clip the electrocardiograph, and the centre gripping stopper 404 also can play certain screens effect simultaneously and make centre gripping stopper 404 can not break away from the electrocardiograph easily, and when centre gripping stopper 404 clip the electrocardiograph along with centre gripping spring 405 can be along with centre gripping spring 405 length, can be increased by tension spring 403 after that centre gripping elasticity increases by tension spring 403, makes centre gripping elasticity increase the centre gripping tension spring 404 and is stretched by the centre gripping spring 404.
The auxiliary limiting assembly 5 comprises a clamping fixing block 501 and a spring bearing table 504 positioned in the sliding chamber 106, the spring bearing table 504 can simultaneously fix sliding column tensioning springs 503 on two sides, a plurality of sliding columns 502 are fixedly arranged on one side surface of the clamping fixing block 501, the sliding columns 502 are positioned in the sliding chamber 106, sliding column tensioning springs 503 are fixedly arranged between the sliding columns 502 and the spring bearing table 504, and limiting sliding blocks 406 are also arranged on one side surface of the clamping fixing block 501.
In use, the auxiliary limiting assembly 5 can be pulled out of the clamping and fixing block 501 directly by a user, then the sliding column 502 is driven to slide along the sliding chamber 106, so that the sliding column is stretched to tension the spring 503, then the distance between the clamping and fixing block 501 and the fixing cover 101 is increased, and then the electrocardiograph can be fixed by the user through the clamping and fixing block 501.
The limiting sliding block 406 comprises a rubber limiting block 407, the rubber limiting block 407 can play a certain limiting role, so that the clamping fixing block 501 and the clamping limiting block 404 can clamp the electrocardiograph more fully and cannot slide easily, a plurality of cable clamping grooves 408 are formed in the rubber limiting block 407 at equal intervals, a rubber clamping block 409 in sliding connection with the rubber limiting block 407 is arranged in the cable clamping groove 408, and a push limiting spring 410 is fixedly arranged between the rubber clamping block 409 and the rubber limiting block 407.
When the limiting sliding block 406 is used, once a power wire is pushed into the cable clamping groove 408, the power wire pushes the rubber clamping block 409 to push the limiting spring 410, and then the power wire can be pushed by the rubber clamping block 409 to be fixed after fully entering the cable clamping groove 408.
The fixing assembly 2 comprises a lower fixing sleeve 202 positioned above the fixing cover 101, an upper fixing sleeve 201 is arranged above the lower fixing sleeve 202, a tensioning cover 203 is arranged on one side of the lower fixing sleeve 202, a sliding cover 204 is arranged on the other side of the lower fixing sleeve 202, and two rubber supporting blocks 210 are symmetrically arranged on the inner surface of the upper fixing sleeve 201.
When the fixing assembly 2 is used, the upper fixing sleeve 201 can be lifted through the sliding cover 204, then the arm of the patient is placed on the lower fixing sleeve 202, after the arm is placed, the upper fixing sleeve 201 is directly lowered through the sliding cover 204, so that the rubber supporting block 210 presses the arm of the patient.
The sliding cover 204 is rotationally connected with a sliding lead screw 206, a manual rotating tooth 207 is arranged at the lower end of the sliding lead screw 206, a rotating tooth passing groove 209 is formed in the position, corresponding to the manual rotating tooth 207, of the side wall of the sliding cover 204, a lifting sliding frame 208 is slidably connected with the side wall of the sliding lead screw 206, and the lifting sliding frame 208 is located in the sliding cover 204 and is directly connected with the upper fixing sleeve 201.
When the sliding cover 204 is operated, a user can directly rotate the manual rotating teeth 207, then, the manual rotating teeth 207 rotate, so that the sliding screw rod 206 is driven to rotate, then, the lifting sliding frame 208 can ascend along the sliding screw rod 206, so that the upper fixing sleeve 201 is pushed upwards until the arm of the patient can be normally put in, and the restoring spring 205 which is directly connected with the upper fixing sleeve 201 and used for pulling back the upper fixing sleeve 201 is arranged in the tensioning cover 203, so that the restoring spring 205 can be stretched when the upper fixing sleeve 201 ascends, and then, once the upper fixing sleeve 201 is restored, the clamping force of the upper fixing sleeve 201 can be further ensured through the restoring spring 205.
The clamping assembly 7 comprises a fixed clamping block 701 directly connected with the adjusting sliding sleeve 303, one side of the fixed clamping block 701 is rotatably connected with a movable clamping block 702, and a movable pull-back spring 703 is fixedly arranged between the fixed clamping block 701 and the movable clamping block 702.
In use, once the catheter is positioned between the movable clamping block 702 and the fixed clamping block 701, the clamping assembly 7 pushes the movable clamping block 702 to rotate, so that the movable pullback spring 703 is stretched, that is, the elasticity of the movable pullback spring 703 is increased, and then the position of the catheter is fully fixed.
While the invention has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the invention and are intended to be within the scope of the invention as claimed.