Auxiliary device for flushing and sealing multi-cavity central venous catheter

Abstract

The utility model relates to the field of pipe flushing and sealing auxiliary devices, in particular to a multi-cavity central venous catheter flushing and sealing auxiliary device, which is beneficial to pedal pulse injection, and can reduce the labor intensity of hands and improve the injection accuracy. Comprising a U-shaped frame matched with a bed body and provided with a side opening, a first bolt is upwards screwed on a plate body on the lower side of the U-shaped frame in a penetrating mode, a fixing base is arranged on the upper surface of a plate body on the upper side of the U-shaped frame, a rotating shaft is vertically arranged in the fixing base, the bottom of the rotating shaft is in damping rotating riveting with the fixing base, and the top of the rotating shaft is fixedly connected with the bottom face of an injector fixing mechanism. And a pedal type pushing mechanism is arranged on the right side of the injector fixing mechanism. The device is easy to operate, convenient to use and suitable for various patients.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of flush and seal pipe auxiliary device, concretely to a multi-cavity central venous catheter flush and seal pipe auxiliary device. BACKGROUND

[0002] Central venous catheterization refers to the catheterization of subclavian vein, internal jugular vein, femoral vein, upper and lower limb vein, with the tip in the superior vena cava or inferior vena cava, including PICC, CVC and PORT. Indwelling central venous catheter may cause infection, thrombosis, catheter rupture, pipe blockage and other complications. The existing venous flush pipe method is to directly inject the infusion catheter with a syringe. When the medical staff performs the injection, the hand may contact the piston rod, and the piston rod may contact the inner wall of the needle cylinder, which may cause the bacteria on the hand to enter the needle cylinder and contaminate the medicine. The Chinese utility model patent with application number 202121636284.5 discloses a pipe sealing device suitable for multi-cavity central venous catheter, which comprises a needle cylinder body, a piston core rod arranged in the inner cavity of the needle cylinder body, at least two fixed pipes arranged at the top end of the needle cylinder body, a positioning block arranged above the fixed pipes, at least two extension pipes arranged at the top end of the positioning block, a connector arranged at one end of the extension pipe, a heparin cap arranged at one end of the connector, a pipe clamp arranged on the outer wall of the extension pipe, and the fixed pipes are fixedly connected with the top end of the needle cylinder body.

[0003] The above-mentioned pipe sealing device utilizes the cooperation of the needle cylinder body, the piston core rod, the fixed pipe, the positioning block and the extension pipe, so that the device is simple and easy to operate with one hand, does not violate the flush and seal pipe standard, and the connection between the extension pipe and the needle cylinder body is designed as a whole, which makes the nursing operation more simple while not violating the flush and seal pipe standard, can make multiple cavities full of sealing liquid at the same time, reduce the incidence of pipe blockage, and improve the sealing work efficiency.

[0004] The above-mentioned pipe sealing device usually needs pulse operation when injecting, which is time-consuming and laborious for hand injection, and is not conducive to improving the accuracy of operation and reducing the labor intensity of workers. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a multi-cavity central venous catheter flush and seal pipe auxiliary device, which is beneficial to pedal pulse injection, can reduce the labor intensity of the hand, improve the injection accuracy, and effectively solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of multi-cavity central venous catheter flushes and seals pipe auxiliary device, including the U-shaped frame of side opening with bed body cooperation, first bolt is screwed and is penetrated upward on the plate body of U-shaped frame lower side, the upper surface of the upper plate body of U-shaped frame is equipped with fixed seat, vertical pivot is equipped in fixed seat, pivot bottom and fixed seat damping rotation riveting, the bottom surface of injector fixed mechanism is fixedly connected with pivot top, injector fixed mechanism right side is equipped with foot-operated push mechanism.

[0007] As preferred technical scheme, the injector fixed mechanism includes bracket with upper side and right side opening, the left side plate of the bracket is equipped with through-hole for pipeline to pass through, the inner side of the front and rear side plates of the bracket right side of through-hole is equipped with clamping block respectively, the second bolt is screwed and is penetrated inward on the bracket outside of clamping block respectively, the inner end of second bolt and the outer side of clamping block rotate riveting;

[0008] The third bolt is screwed and is penetrated from outside to inside on the front and rear side plates of the bracket right side of clamping block respectively, and is limited to foot-operated push mechanism.

[0009] As preferred technical scheme, the clamping block is cuboid, and the opposite side is embedded with arc-shaped groove.

[0010] As preferred technical scheme, the foot-operated push mechanism includes box body slidingly arranged in the bracket, and the box body is cuboid with left opening, and the left and right slidingly arranged in the box body is provided with push plate, and the right side of push plate is provided with rectangular inflatable air bag, and the left side of inflatable air bag is fixedly connected with push plate, and the right end is fixedly connected with the right side wall of box body, and the right side plate of box body is fixedly provided with connector in communication with inflatable air bag, and the connector is fixedly connected with the upper end of inflatable tube, and the bottom of inflatable tube is fixedly connected with foot-operated inflation mechanism.

[0011] As preferred technical scheme, the foot-operated inflation mechanism includes inclined cushion block, and the inclined surface of the upper side of cushion block is fixedly provided with vertical cylindrical shell, and the bottom of the front and rear sides of shell is provided with first one-way valve and second one-way valve respectively, and the inner wall of shell upper side is fixedly provided with limiting block, and the inner upper and lower of shell upper side of limiting block is slidingly provided with pressing plate, and the upper side of pressing plate is fixedly provided with pressing rod, and the pressing rod can be slidably extended out of shell and is fixedly provided with pedal at top, and the spring is sleeved on the pressing rod between pedal and shell upper surface.

[0012] As preferred technical scheme, the bottom surface of cushion block is fixedly provided with suction disc at four corners respectively.

[0013] As preferred technical scheme, the outer end of first one-way valve is fixedly connected with the lower end of inflatable tube.

[0014] As preferred technical scheme, the included angle between the upper surface of cushion block and horizontal plane is less than 30 degrees.

[0015] Compared with the prior art, the multi-lumen central venous catheter flushing and sealing tube auxiliary device has the following beneficial effects:

[0016] 1. The utility model discloses a fixed seat is equipped on the upper surface of the upper side plate body of U -shaped frame, the vertical fixed seat is equipped with the pivot, the pivot bottom is rotatably riveted with the fixed seat, the pivot top is fixedly connected with the bottom surface of syringe fixing mechanism, when using, U -shaped frame can be clamped in the side of bed body, the first bolt can play the fixed role to U -shaped frame, syringe fixing mechanism can play the clamping fixed role to syringe, and angle can be adjusted through the pivot damping rotation.

[0017] 2. The utility model discloses a bracket front and back side plate inside right side of through -hole is equipped with the clamping block respectively, and the bracket on the outside of clamping block is respectively inwards and penetrates the second bolt of screwing, and the second bolt inner end part is rotatably riveted with the clamping block outside face, and the bracket front and back side plate on the right side of clamping block is respectively by from outside to inside and penetrates the third bolt of screwing of foot -operated push mechanism limiting, when using, syringe is placed between two clamping blocks, and through inwards and screwing the second bolt can syringe clamping fixed, and the third bolt can play the compression location effect to foot -operated push mechanism, and according to the size of syringe can adjust left and right positions.

[0018] 3. The utility model discloses a box body is equipped with the push -plate of left and right sliding, and the right side of push -plate is equipped with the rectangular inflatable air bag, and the left side of inflatable air bag is fixedly connected with push -plate, and the right end is fixedly connected with the right side wall of box body, and the right side plate of box body is fixedly equipped with the joint of communication with inflatable air bag, and the joint is fixedly connected with the upper end of inflatable pipe, and the bottom of inflatable pipe is fixedly connected with foot -operated inflation mechanism, when using, push -plate is pasted to the right end surface of the handle of syringe to left, then through the third bolt to box body fixed location, then through foot -operated inflation mechanism one after another treading, make the upper inflatable air bag one step at a time increase, and then make push -plate to syringe pulse type advance, liberate the hand to push injection, reduce the labor intensity of hand, be favorable to the accuracy of advancing and improve work efficiency.

[0019] 4. The utility model discloses a shell front and back two sides bottom respectively is equipped with first check valve and second check valve, and the shell inner wall on the upside of first check valve and second check valve is fixedly equipped with the limiting block, and the shell inner upper and lower seal sliding of limiting block upside is equipped with the pressing plate, and the pressing plate upside is fixedly equipped with the pressure rod, and the pressure rod can slide and extend out of the shell and is fixedly equipped with the pedal on the top, and the spring is sheathed on the pressure rod between the pedal and the shell upper surface, when using, the first check valve exhausts when treading the pedal, and the inflatable air bag is inflated, and the second check valve is inhaled when releasing the pedal, and resets under the action of spring, and this repeats, and can gradually inflate the inflatable air bag.

[0020] 5. The utility model discloses a pad bottom four corners are respectively fixedly equipped with the sucking disc, when using, the sucking disc can be fixed with the smooth ground adsorption, and be favorable to the stability of staff's treading. Attached Figure Description

[0021] The accompanying drawings, which are included to provide a further understanding of the present invention, form part of this application:

[0022] Figure 1 This is a three-dimensional structural diagram of the first embodiment of the present utility model;

[0023] Figure 2 This is an enlarged structural diagram of the bracket;

[0024] Figure 3 This is an enlarged structural diagram of a foot-operated jacking mechanism;

[0025] Figure 4 This is a cross-sectional structural diagram of the box.

[0026] Figure 5 This is a schematic cross-sectional view of the shell structure.

[0027] The diagram shows: 1. U-shaped frame; 11. First bolt; 2. Fixing base; 21. Rotating shaft; 3. Syringe fixing mechanism; 31. Bracket; 32. Through hole; 33. Clamping block; 331. Arc-shaped groove; 34. Second bolt; 35. Third bolt; 4. Foot-operated pushing mechanism; 41. Box body; 411. Push plate; 412. Inflatable airbag; 42. Connector; 43. Inflation tube; 44. Foot-operated inflation mechanism; 441. Shell; 442. First one-way valve; 443. Second one-way valve; 444. Limiting block; 445. Pressure plate; 446. Pressure rod; 447. Pedal; 448. Spring; 45. Pad; 46. Suction cup. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example 1

[0029] like Figures 1 to 5As shown, a multi-lumen central venous catheter flush tube auxiliary device, including a side opening U-shaped frame 1 matched with the bed body, a first bolt 11 is screwed through the upward on the lower side of the plate body, the upper surface of the upper side plate body of the U-shaped frame 1 is provided with a fixed seat 2, a rotating shaft 21 is vertically arranged in the fixed seat 2, the bottom of the rotating shaft 21 is dampingly riveted with the fixed seat 2 (prior art), the top of the rotating shaft 21 is fixedly connected with the bottom surface of a syringe fixing mechanism 3, the right side of the syringe fixing mechanism 3 is provided with a foot-operated pushing mechanism 4. The syringe fixing mechanism 3 includes an upper side and right side opening bracket 31, a through hole 32 for pipe passing through is arranged on the left side plate of the bracket 31, the inner sides of the front and rear side plates of the bracket 31 on the right side of the through hole 32 are respectively provided with clamping blocks 33, the second bolts 34 are respectively screwed through the inward of the bracket 31 on the outer side of the clamping blocks 33, and the inner ends of the second bolts 34 are rotationally riveted with the outer side surfaces of the clamping blocks 33. The third bolts 35 limiting the foot-operated pushing mechanism 4 are respectively screwed through the front and rear side plates of the bracket 31 on the right side of the clamping blocks 33 from the outside to the inside.

[0030] The clamping block 33 is a cuboid, and the opposite side surfaces are embedded with arc-shaped grooves 331. In order to be matched with the syringe clamping.

[0031] The foot-operated pushing mechanism 4 includes a box body 41 slidingly arranged in the bracket 31, the box body 41 is a left opening cuboid, a push plate 411 is slidingly arranged in the box body 41, the right side of the push plate 411 is provided with a rectangular inflatable air bag 412, the left side surface of the inflatable air bag 412 is fixedly connected with the push plate 411, the right end is fixedly connected with the right side wall of the box body 41, the right side plate of the box body 41 is fixedly provided with a connector 42 in communication with the inflatable air bag 412, the connector 42 is fixedly connected with the upper end of an inflation tube 43, and the bottom of the inflation tube 43 is fixedly connected with a foot-operated inflation mechanism 44.

[0032] The foot-operated inflation mechanism 44 includes a bottom inclined pad 45, a vertical cylindrical shell 441 is fixedly arranged on the inclined surface of the upper side of the pad 45, a first one-way valve 442 and a second one-way valve 443 are respectively arranged on the bottom of the front and rear sides of the shell 441, a limiting block 444 is fixedly arranged on the inner wall of the shell 441 on the upper side of the first one-way valve 442 and the second one-way valve 443, a pressing plate 445 is sealingly and slidingly arranged on the inner wall of the shell 441 on the upper side of the limiting block 444, a pressing rod 446 is fixedly arranged on the upper side of the pressing plate 445, the pressing rod 446 can be slidably extended out of the shell 441 and is fixedly arranged with a pedal 447 on the top, and a spring 448 is sleeved on the pressing rod 446 between the pedal 447 and the upper surface of the shell 441.

[0033] The suction disc 46 is fixedly arranged on the bottom surface of the pad 45.

[0034] The outer end of the first one-way valve 442 is fixedly connected with the lower end of the inflation tube 43.

[0035] The included angle between the upper surface of the pad 45 and the horizontal plane is less than 30 degrees.

[0036] In use, the U-shaped frame 1 can be clamped on the side of the bed body, the first bolt 11 can fix the U-shaped frame 1, the syringe fixing mechanism 3 can clamp and fix the syringe, and the angle can be adjusted by damping rotation of the rotating shaft 21. The syringe is placed between the two clamping blocks 33, and the syringe can be clamped and fixed by screwing the second bolt 34 inward, and the third bolt 35 can press and limit the foot-operated pushing mechanism 4, and the left and right positions can be adjusted according to the size of the syringe. The push plate 411 is tightly attached to the right end face of the handle of the syringe, and then the box body 41 is fixed and limited by the third bolt 35, so that the upper inflation air bag 412 is gradually increased by one step by one step by the foot-operated inflation mechanism 44, and then the push plate 411 is pulsed to the syringe, which liberates the hand injection and reduces the labor intensity of the hand, and is beneficial to improve the accuracy of the injection and improve the work efficiency. When the pedal 447 is stepped on, the first one-way valve 442 discharges, the inflation air bag 412 inflates, the pedal 447 is loosened, and the second one-way valve 443 is reset under the action of the spring 448, so that the inflation air bag 412 is gradually inflated. The suction cup 46 can be adsorbed and fixed on the smooth ground, and the stability of the staff stepping is beneficial.

[0037] The components used in the utility model are all general standard components or components known by those skilled in the art, and the structure and principle thereof are well known to those skilled in the art.

[0038] It should be noted that in this paper, the terms "first", "second", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0039] The structure, proportion, size and the like shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification, so that those skilled in the art can understand and read, and are not used to limit the implementation conditions of the utility model. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the functions and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A flushing and sealing auxiliary device for a multi-lumen central venous catheter, characterized in that: The device includes a U-shaped frame with a side opening that mates with the bed. A first bolt is screwed through the lower plate of the U-shaped frame and screwed upwards. A fixed seat is provided on the upper surface of the upper plate of the U-shaped frame. A rotating shaft is vertically provided in the fixed seat. The bottom of the rotating shaft is riveted to the fixed seat with damping rotation. The top of the rotating shaft is fixedly connected to the bottom surface of the syringe fixing mechanism. A foot-operated pushing mechanism is provided on the right side of the syringe fixing mechanism.

2. The multi-lumen central venous catheter flushing and sealing auxiliary device according to claim 1, characterized in that: The syringe fixing mechanism includes a bracket with openings on the top and right sides. The left side plate of the bracket has a through hole for the tubing to pass through. The inner sides of the front and rear side plates of the bracket to the right of the through hole are respectively provided with clamping blocks. The bracket outside the clamping blocks is screwed inward with a second bolt. The inner end of the second bolt is rotatably riveted to the outer side of the clamping block. The bracket on the right side of the clamping block has a third bolt screwed through it from the outside to the inside on the front and rear side plates to limit the foot-operated jacking mechanism.

3. The multi-lumen central venous catheter flushing and sealing auxiliary device according to claim 2, characterized in that: The clamping block is rectangular in shape, with arc-shaped grooves embedded on opposite sides.

4. The multi-lumen central venous catheter flushing and sealing auxiliary device according to claim 1, characterized in that: The foot-operated pushing mechanism includes a box body slidably disposed in the bracket. The box body is a rectangular parallelepiped with an opening on the left. A push plate is slidably disposed in the box body. A rectangular inflatable airbag is disposed on the right side of the push plate. The left side of the inflatable airbag is fixedly connected to the push plate, and the right end is fixedly connected to the right side wall of the box body. A connector communicating with the inflatable airbag is fixedly disposed on the right side plate of the box body. The connector is fixedly connected to the upper end of the inflation tube. The bottom of the inflation tube is fixedly connected to the foot-operated inflation mechanism.

5. The multi-lumen central venous catheter flushing and sealing auxiliary device according to claim 4, characterized in that: The foot-operated inflation mechanism includes a bottom inclined pad, a vertical cylindrical shell fixed on the inclined surface of the upper side of the pad, a first one-way valve and a second one-way valve respectively on the bottom of the front and rear sides of the shell, a limiting block fixed on the inner wall of the shell above the first one-way valve and the second one-way valve, a pressure plate slidably and sealingly installed inside the shell above the limiting block, a pressure rod fixed on the upper side of the pressure plate, the pressure rod can slide out of the shell and a pedal fixed on the top, and a spring is sleeved on the pressure rod between the pedal and the upper surface of the shell.

6. The multi-lumen central venous catheter flushing and sealing auxiliary device according to claim 5, characterized in that: The bottom of the pad is fixed with suction cups at the four corners.

7. The multi-lumen central venous catheter flushing and sealing auxiliary device according to claim 5, characterized in that: The outer end of the first one-way valve is fixedly connected to the lower end of the inflation tube.

8. The multi-lumen central venous catheter flushing and sealing auxiliary device according to claim 5, characterized in that: The angle between the upper surface of the pad and the horizontal plane is less than 30 degrees.

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