Double-cavity preperfusion type central venous catheter flushing and sealing device

Abstract

The utility model discloses a double-cavity preperfusion type central venous catheter flushing and sealing device, which relates to the technical field of medical treatment, and comprises an auxiliary device main body, a flushing and sealing device main body, an injector main body and a sliding block, the front end of the auxiliary device main body is provided with a clamping seat, the upper end of the auxiliary device main body is fixedly connected with a guide rail, and the front surface of the guide rail is provided with a sliding chute; a left servo motor and a right servo motor are arranged in the middle of the sliding groove, the servo motors are fixedly connected to the guide rails, one end of each servo motor is provided with a threaded rod, the threaded rods are rotationally connected into the sliding groove, the threaded rods are in threaded connection with sliding blocks, and the rear ends of the moving pieces are inserted into the sliding blocks. By means of the auxiliary device, it can be guaranteed that pistons in the two needle cylinders completely move synchronously and do not incline, the flushing and sealing effect of the double-cavity central venous catheter is guaranteed, in addition, two catheter cavities of the double-cavity central venous catheter can be flushed and sealed at the same time or one catheter cavity of the double-cavity central venous catheter can be flushed and sealed independently according to needs, and the catheter infection probability is reduced in the catheter flushing and sealing process.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical technology field, concretely is double -cavity pre -priming formula central venous catheter flushes and seals pipe device. BACKGROUND

[0002] In clinic, patients often need to be inserted into double -cavity central venous catheter for treatment, and flushing and sealing pipe for central venous catheter are essential technical operations.Central venous catheter mainly includes (central venous catheter, CVC) and peripherally inserted central catheter (PICC).In order to keep the catheter unobstructed and ensure the use effect, medical staff need to hold two syringes and push the two syringes as evenly as possible before and after use to realize flushing and sealing pipe for double -cavity simultaneously.

[0003] The prior art can realize flushing and sealing pipe for double -cavity simultaneously by medical staff holding two syringes and pushing the two syringes as evenly as possible, but this kind of operation technology is difficult to realize in clinical actual work, because the resistance in the two cavities of the catheter is not equal due to the nature of the liquid medicine, the limb position of catheterization or the diameter of the catheter itself, and it is difficult for medical staff to hold two 10ml syringes side by side with one hand, and it is more difficult to control the synchronous movement of the pistons in the two syringers.This kind of operation has great difficulty, low efficiency and poor effect, affects the service life of double -cavity central venous catheter, causes pain to patients, causes waste of medical resources, in addition, the syringes used in the above operation method all adopt the structure of non -pre -priming liquid medicine, and need to suck liquid medicine four times in the process of flushing and sealing pipe, which is complicated and increases the infection probability.Therefore, the technical personnel in the art provide double -cavity pre -priming formula central venous catheter flushes and seals pipe device to solve the problems raised in the above background technology. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing double -cavity pre -priming formula central venous catheter flushes and seals pipe device to solve the problems raised in the above background technology.

[0005] In order to realize the above -mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model provides a double -cavity pre -priming central venous catheter flush and seal pipe device, including auxiliary device body, flush and seal pipe device body, syringe body and sliding block, the front end of auxiliary device body is provided with the clamping seat, and the upper end of auxiliary device body is fixedly connected with the guide rail, the front of guide rail is provided with the sliding slot, and the middle of sliding slot is provided with left and right two groups of servo motor, wherein servo motor is fixedly connected on the guide rail, and one end of servo motor is provided with the threaded rod, the threaded rod is rotatably connected in the sliding slot, and the threaded rod is screwly connected with the sliding block, the sliding block is clamped in the sliding slot, the front of sliding block is provided with the first arc groove, and the front of sliding block is provided with the moving piece, the rear end of moving piece is inserted in the sliding block, and the moving piece can move back and forth in the sliding block, and the second arc groove is arranged on the moving piece, the first arc groove is same with the second arc groove, the front of auxiliary device body is provided with flush and seal pipe device body, the lower half of flush and seal pipe device body is clamped on the clamping seat, the inside of flush and seal pipe device body upper end is provided with the upper flow chamber, the lower flow chamber is below the upper chamber, the lower flow chamber is arranged in the inside of flush and seal pipe device body, and the upper flow chamber and the lower flow chamber are provided with the connecting barrel on the left and right sides, the connecting barrel is communicated with the upper flow chamber and the lower flow chamber, and the valve is arranged on the connecting barrel.

[0007] As a further scheme of the utility model: the connecting barrel below is provided with support frame, wherein the support frame is fixedly connected on the left and right sides of flush and seal pipe device body, the syringe body is clamped on the upper end of support frame, the inside of syringe body upper end is provided with the upper piston chamber, the lower piston chamber is below the upper piston chamber, and the lower piston chamber is arranged in the inside of syringe body lower end.

[0008] As a further scheme of the utility model: the syringe body one end is provided with two groups of plug, wherein the plug is communicated with the upper piston chamber and the lower piston chamber respectively, and the plug is inserted in the connecting barrel, and the piston rod is arranged on the other end of plunger body, and the piston rod is inserted in the upper piston chamber and the lower piston chamber respectively.

[0009] As a further scheme of the utility model: the piston rod one end is provided with rubber piston, wherein the rubber piston is clamped in the upper piston chamber and the lower piston chamber respectively, the other end of piston rod is fixedly connected with the piston handle, and the piston handle is clamped in the first arc groove and the second arc groove, and the front end of flush and seal pipe device body is two groups of hose, wherein the hose is communicated with the upper flow chamber and the lower flow chamber respectively.

[0010] As a further scheme of the utility model: the lower end of auxiliary device body is hinged with battery cover, and the lower part of clamping seat is provided with a plurality of control buttons, wherein the control buttons are electrically connected with auxiliary device body, the inside of lower end of auxiliary device body is provided with battery, and the pre -priming liquid medicine is arranged in the upper piston chamber and the lower piston chamber.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The entire device has a simple structure, is easy to use, has a wide range of applications, and is inexpensive. With the help of auxiliary devices, it can ensure that the pistons inside the two needle tubes move completely synchronously and without tilting, thus ensuring the flushing and sealing effect of the double-lumen central venous catheter, reducing the difficulty of operation for nursing staff, and improving the efficiency of nursing work.

[0013] 2. The two lumens of the double-lumen central venous catheter can be flushed and sealed simultaneously or one lumen can be flushed and sealed separately as needed. The flushing and sealing process reduces the chance of catheter infection and saves time, manpower and money. Attached Figure Description

[0014] Fig. 1 This is a schematic diagram of the structure of a double-lumen pre-perfused central venous catheter flushing and sealing device.

[0015] Fig. 2 This is a schematic diagram of the main structure of the battery and auxiliary devices in a dual-lumen pre-inflation central venous catheter flushing and sealing device.

[0016] Fig. 3 This is a schematic diagram of the main body and tubing of the flushing and sealing device in a dual-lumen pre-inflation central venous catheter flushing and sealing device.

[0017] Fig. 4 This is a schematic diagram of the piston rod and rubber piston in a double-lumen pre-perfused central venous catheter flushing and sealing device.

[0018] Fig. 5 This is a schematic diagram of the plug and syringe body in a dual-lumen pre-inflation central venous catheter flushing and sealing device.

[0019] Fig. 6 This is a schematic diagram of the slider and moving parts in the flushing and sealing device for a dual-lumen pre-inflation central venous catheter.

[0020] Fig. 7 This is a schematic diagram of the support frame and connecting tube in a double-lumen pre-perfused central venous catheter flushing and sealing device.

[0021] In the diagram: 1. Main body of auxiliary device; 2. Guide rail; 3. Servo motor; 4. Slide groove; 5. Slider; 6. Threaded rod; 7. Control button; 8. Battery cover; 9. Card holder; 10. Storage battery; 11. First arc-shaped groove; 12. Moving part; 13. Second arc-shaped groove; 14. Main body of sealing tube device; 15. Hoses; 16. Main body of syringe; 17. Piston handle; 18. Support frame; 19. Connecting cylinder; 20. Valve; 21. Upper flow chamber; 22. Lower flow chamber; 23. Piston rod; 24. Rubber piston; 25. Upper piston chamber; 26. Lower piston chamber; 27. Plug. Detailed Implementation

[0022] The technical means, creation features, purposes and effects of the utility model are easy to understand, and the utility model is further described below in combination with specific embodiments.

[0023] Please refer to Figs. 1-7The utility model discloses a double -cavity pre -filling formula central venous catheter flushes and seals the pipe device, including auxiliary device main part 1, flushes and seals the pipe device main part 14, syringe main body 16 and sliding block 5, auxiliary device main part 1 front end is provided with the clamping seat 9, and auxiliary device main part 1 upper end is fixedly connected with the guide rail 2, and the guide rail 2 front is provided with the sliding slot 4, and the sliding slot 4 middle is provided with left and right two groups servo motor 3, wherein servo motor 3 is fixedly connected on the guide rail 2, and one end of servo motor 3 is provided with the threaded rod 6, and the threaded rod 6 rotation is connected in the sliding slot 4, and the threaded rod 6 is all screw -threaded with sliding block 5, wherein sliding block 5 is clamped in the sliding slot 4, and the first arc -shaped recess 11 is all set up to the front end of sliding block 5, and the moving piece 12 is all set up to the front of sliding block 5, wherein moving piece 12 rear end is inserted in sliding block 5, and can move back and forth in sliding block 5, and the second arc -shaped recess 13 is set up to moving piece 12, wherein the first arc -shaped recess 11 with the second arc -shaped recess 13 same size, and auxiliary device main part 1 front is provided with flushes and seals the pipe device main part 14, wherein flushes and seals the pipe device main part 14 lower half clamps in the clamping seat 9, and the upper end inside of flushes and seals the pipe device main part 14 is provided with the upper flow through chamber 21, and the lower chamber is provided with the lower flow through chamber 22 below, wherein the lower flow through chamber 22 sets up in flushes and seals the pipe device main part 14 inside, and the upper flow through chamber 21 and the lower flow through chamber 22 left and right sides are all provided with the connecting cylinder 19, wherein the connecting cylinder 19 is communicated with the upper flow through chamber 21 and the lower flow through chamber 22, and the valve 20 is all set up to the connecting cylinder 19, and the support frame 18 is provided below the connecting cylinder 19, wherein the support frame 18 is fixedly connected on the left and right sides of flushes and seals the pipe device main part 14, and the syringe main body 16 is clamped in the support frame 18 upper end, and the upper end inside of syringe main body 16 is provided with the upper piston chamber 25, and the lower piston chamber 26 is provided below the upper piston chamber 25, wherein the lower piston chamber 26 sets up in the lower end inside of syringe main body 16, and one end of syringe main body 16 is provided with the upper and lower two groups of plug 27, wherein the plug 27 is communicated with the upper piston chamber 25 and the lower piston chamber 26 respectively, and the plug 27 is all inserted in the connecting cylinder 19, and the other end of plunger main body is provided with the upper and lower two groups of piston rod 23, wherein the piston rod 23 is inserted in the upper piston chamber 25 and the lower piston chamber 26 respectively, and one end of piston rod 23 is provided with the rubber piston 24, wherein the rubber piston 24 is clamped in the upper piston chamber 25 and the lower piston chamber 26 respectively, and the other end of piston rod 23 is fixedly connected with the piston handle 17, and the piston handle 17 is clamped in the first arc -shaped recess 11 and the second arc -shaped recess 13, and the front end of flushes and seals the pipe device main part 14 is one upper and lower two groups of hose 15, wherein the hose 15 is communicated with the upper flow through chamber 21 and the lower flow through chamber 22 respectively, and the battery cover 8 is hinged to the lower end of auxiliary device main part 1, and the control button 7 is provided below the clamping seat 9, wherein the control button 7 is electrically connected with auxiliary manufacturing main body, and the lower end inside of auxiliary device main part 1 is provided with the battery 10, and the pre -filling liquid medicine is arranged in the upper piston chamber 25 and the lower piston chamber 26.

[0024] The working principle of the utility model is: first, the punch and seal pipe device main body 14 is fixed in the clamping seat 9, and the upper and lower two groups of piston handles 17 are clamped into the first arc-shaped groove 11 on one side, and the moving part 12 is pushed back, and the other side of the upper and lower two groups of piston handles 17 is clamped into the second arc-shaped groove 13, then the staff holds the auxiliary device main body 1, presses the control button 7, starts the servo motor 3 to drive the threaded rod 6 to rotate, the threaded rod 6 drives the sliding block 5 to move, the sliding block 5 drives the moving part 12 to move, the sliding block 5 and the moving part 12 drive the piston handle 17 to move, the piston handle 17 drives the piston rod 23 to move, the piston handle 17 drives the rubber piston 24 to move, and then the rubber piston 2 in the upper piston chamber 25 and the rubber piston 24 in the lower piston chamber 26 move synchronously, and the device is not inclined, then when the auxiliary device main body 1 is not used, the staff can manually push the piston handle 17 to individually punch and seal the pipe in one catheter cavity.

[0025] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. Double lumen pre-primed central venous catheter flush and seal tubing set comprising an auxiliary set body (1), a flush and seal tubing set body (14), a syringe body (16) and a slider (5), characterized in that, The front end of the auxiliary device body (1) is provided with a card seat (9), the upper end of the auxiliary device body (1) is fixedly connected with a guide rail (2), the front surface of the guide rail (2) is provided with a sliding groove (4), the middle of the sliding groove (4) is provided with two groups of servo motors (3) left and right, wherein the servo motor (3) is fixedly connected on the guide rail (2), one end of the servo motor (3) is provided with a threaded rod (6), wherein the threaded rod (6) is rotatably connected in the sliding groove (4), the threaded rod (6) is threadedly connected with a sliding block (5), wherein the sliding block (5) is clamped in the sliding groove (4), the front end of the sliding block (5) is provided with a first arc-shaped groove (11), the front of the sliding block (5) is provided with a moving piece (12), wherein the rear end of the moving piece (12) is inserted into the sliding block (5), the moving piece (12) is provided with a second arc-shaped groove (13), wherein the first arc-shaped groove (11) and the second arc-shaped groove (13) are the same size, the front of the auxiliary device body (1) is provided with a sealing pipe device body (14), the upper end of the sealing pipe device body (14) is internally provided with an upper flow chamber (21), the lower part of the upper chamber is provided with a lower flow chamber (22), wherein the lower flow chamber (22) is arranged in the sealing pipe device body (14), the left and right sides of the upper flow chamber (21) and the lower flow chamber (22) are provided with a connecting cylinder (19), the connecting cylinder (19) is provided with a valve (20), the lower part of the connecting cylinder (19) is provided with a support frame (18), the upper end of the support frame (18) is clamped with a syringe body (16), the upper end of the syringe body (16) is internally provided with an upper piston chamber (25), the lower part of the upper piston chamber (25) is provided with a lower piston chamber (26), wherein the lower piston chamber (26) is arranged in the lower end of the syringe body (16), one end of the syringe body (16) is provided with two groups of plugs (27) up and down, the other end of the plunger body is provided with two groups of piston rods (23) up and down, wherein the piston rod (23) is respectively inserted into the upper piston chamber (25) and the lower piston chamber (26), one end of the piston rod (23) is provided with a rubber piston (24), the other end of the piston rod (23) is fixedly connected with a piston handle (17).

2. The dual lumen pre-filled central venous catheter flush and seal tube set of claim 1, wherein, The front end of the sealing pipe device body (14) is a pair of upper and lower hoses (15), wherein the hoses (15) are respectively communicated with the upper flow chamber (21) and the lower flow chamber (22).

3. The dual lumen pre-filled central venous catheter flush and seal tube set of claim 1, wherein, The lower end of the auxiliary device body (1) is hinged with a battery cover (8), the lower end of the auxiliary device body (1) is internally provided with a storage battery (10).

4. The dual lumen, pre-filled central venous catheter flush and seal tube set of claim 1, wherein, The lower part of the card seat (9) is provided with a plurality of control buttons (7), wherein the control buttons (7) are electrically connected with the auxiliary manufacturing body.

5. The dual lumen, pre-filled, central venous catheter flush and seal tube set of claim 1, wherein, The support frame (18) is fixedly connected on the left and right sides of the sealing pipe device body (14).

6. The dual lumen, pre-filled central venous catheter flush and seal tube set of claim 1, wherein, The plug (27) is respectively communicated with the upper piston chamber (25) and the lower piston chamber (26), and the plug (27) is inserted into the connecting cylinder (19).

7. The dual lumen, pre-filled, central venous catheter flush and seal tube set of claim 1, wherein, The lower half of the sealing pipe device body (14) is clamped on the card seat (9).

8. The dual lumen, pre-filled, central venous catheter flush and seal tube set of claim 1, wherein, The connecting cylinder (19) is communicated with the upper flow chamber (21) and the lower flow chamber (22).

9. The dual lumen, pre-filled, central venous catheter flush and seal tube set of claim 1, wherein, The rubber piston (24) is clamped in the upper piston chamber (25) and the lower piston chamber (26) respectively, and the upper piston chamber (25) and the lower piston chamber (26) are provided with pre-filled liquid medicine.

10. The dual lumen, pre-filled, central venous catheter flush and seal tube set of claim 1, wherein, The piston handle (17) is clamped in the first arc-shaped groove (11) and the second arc-shaped groove (13).

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