CN220649614U

CN220649614U - Catheter flow detector

Info

Publication number: CN220649614U
Application number: CN202322064448.7U
Authority: CN
Inventors: 陈志超; 王占齐
Original assignee: Shenzhen Yisimei Technology Co ltd
Current assignee: Shenzhen Yisimei Technology Co ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-03-22
Anticipated expiration: 2033-08-02

Abstract

The utility model belongs to the technical field of conduit flow measuring tools, and particularly relates to a conduit flow detector which comprises a frame body, a first water tank, a second water tank, a third water tank, a water pump, a water inlet pipe, an overflow pipe and a lifting assembly. The liquid output of stable pressure can be realized for the medical catheter under the condition of different liquid pressure in the tube, and the measurement accuracy is improved.

Description

Catheter flow detector

Technical Field

The utility model belongs to the technical field of catheter flow measuring tools, and particularly relates to a catheter flow detector.

Background

Medical catheters may have different in-tube flows at different in-tube fluid pressures. In order to ensure the safety of the medical catheter delivered from the factory, the actual in-tube flow of the medical catheter needs to be detected in the production process.

The utility model provides a current pipe flow detector, including water tank, water pump and raceway, be equipped with the delivery port on the water tank, the water pump is equipped with liquid inlet and liquid outlet, and the liquid inlet of water pump links to each other with the delivery port of water tank, and the one end of raceway links to each other with the liquid outlet of water pump, and the other end of raceway is equipped with the measuring port, and during the measurement, the medical catheter connection that awaits measuring is on the measuring port, and the water pump carries the water in the water tank to the medical catheter in through the raceway, calculates the actual flow of medical catheter through the liquid volume and the measuring time that flow from the medical catheter.

The catheter flow detector cannot change the fluid pressure and cannot measure the flow of the medical catheter under different fluid pressures.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: aiming at the problem that the existing conduit flow detector can not change the fluid pressure, the conduit flow detector is provided.

In order to solve the technical problems, the embodiment of the utility model provides a conduit flow detector, which comprises a frame body, a first water tank, a second water tank, a third water tank, a water pump, a water inlet pipe, an overflow pipe and a lifting assembly, wherein the bottom of the first water tank is fixedly connected with the frame body, the first water tank is provided with a top opening, the second water tank comprises a tank body, a water inlet, an overflow port, a water outlet and a valve, the water inlet is arranged at the top of the tank body, the upper end of the water inlet pipe is connected into the tank body through the water inlet, the lower end of the water inlet pipe is connected with the water pump, the water pump is connected with the first water tank, the overflow port is arranged on the side wall of the tank body, one end of the overflow pipe is connected with the overflow port, the other end of the overflow pipe is connected with the first water tank through the top opening, the water outlet is arranged at the bottom of the tank body, the valve is used for connecting a medical conduit to be detected, the water outlet is arranged on the water outlet and used for controlling the on-off of the water outlet, and the third water tank is used for collecting liquid flowing out of the medical conduit;

the lifting assembly is arranged on the frame body and drives the box body to move up and down.

Optionally, the lifting assembly comprises a base and a lifting device, the box body is installed on the base, and the lifting device drives the base to move up and down.

Optionally, the lifting device comprises a screw rod, a rotation driving mechanism, an upper support and a lower support, wherein the upper support and the lower support are connected to the frame body at intervals up and down, the upper end of the screw rod is rotationally assembled on the upper support, the lower part of the screw rod passes through the lower support and is rotationally assembled with the lower support, the lower end of the screw rod is connected with the rotation driving mechanism, and the rotation driving mechanism drives the screw rod to rotate;

the base includes the lifter plate, the box with the lifter plate links to each other, be equipped with the screw hole on the lifter plate, the middle part of lead screw passes the lifter plate just with the screw hole cooperation, the week side of lifter plate is equipped with the piece that splines, the piece that splines with the support body splines the cooperation.

Optionally, the rotation driving mechanism comprises a crank, and the crank is connected with the bottom end of the screw rod.

Optionally, the lifting plate comprises a plate main body and a protruding part, a mounting hole is formed in the middle of the plate main body, the box body is inserted into the mounting hole, and the outer wall of the box body is connected with the hole wall of the mounting hole;

the protruding portion is connected to the side edge of the plate main body, and the threaded hole is formed in the protruding portion.

Optionally, the support body includes stand, top crossbeam, first middle part crossbeam and bottom plate, the stand is equipped with a plurality ofly, the top crossbeam is equipped with a plurality ofly, each the stand all extends along the upper and lower direction, the bottom of each the stand with the bottom plate links to each other, and two adjacent the top of stand is by the top crossbeam transition links to each other, first middle part crossbeam is connected between two adjacent the stand, upside support with the top crossbeam links to each other, downside support with first middle part crossbeam links to each other.

Optionally, the lifting plate further comprises a rotation stopping piece, the rotation stopping piece comprises a fixed plate and a sliding block, the fixed plate is connected with the side wall of the plate main body, the sliding block is connected with the fixed plate, a sliding groove is formed in the upright post, and the sliding block is assembled in the sliding groove.

Optionally, the number of rotation stopping elements is identical to the number of upright posts.

Optionally, the water pump seat is connected with the frame body, the water pump seat is arranged in the middle of the frame body, and the water pump is connected with the water pump seat.

Optionally, the water pump further comprises a scram switch, wherein the scram switch is installed on the frame body and is used for controlling the water pump to be turned off.

According to the catheter flow detector disclosed by the embodiment of the utility model, the crank drives the screw rod to rotate so as to enable the base to move up and down, so that the height of the second water tank is adjusted, and then the liquid pressure in the second water tank is changed, so that the flow detection of the medical catheter under the condition of different liquid pressures in the catheter is realized, the operation is simple, the base can be stably kept at the required height under the condition of fixed rotation angle of the crank, the liquid output of stable pressure can be carried out on the medical catheter, and the measurement accuracy is improved.

Drawings

FIG. 1 is a schematic diagram of a flow detector for a conduit according to an embodiment of the present utility model;

FIG. 2 is another view of FIG. 1;

FIG. 3 is a schematic diagram showing a partial structure of a conduit flow detector according to an embodiment of the present utility model

Fig. 4 is a schematic structural view of the second tank of fig. 1.

Reference numerals in the specification are as follows: 1. a frame body; 2. a column; 3. a top cross beam; 4. a bottom plate; 5. a first middle cross member; 6. a second middle cross member; 7. a first water tank; 8. a second water tank; 9. a third water tank; 10. an overflow pipe; 11. a water inlet pipe; 12. a water pump; 13. a lifting device; 14. a base; 15. a valve; 16. a chute; 17. an emergency stop switch; 18. a water outlet; 19. a water pump base; 20. a lifting plate; 21. a plate main body; 22. a mounting hole; 23. a protruding portion; 24. a rotation stopper; 25. a fixing plate; 26. a slide block; 27. an upper bracket; 28. a screw rod; 29. a lower bracket; 30. a crank; 31. a case; 32. a water inlet; 33. a water outlet; 34. and an overflow port.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 4, an embodiment of the present utility model provides a catheter flow detector, which includes a frame 1, a first water tank 7, a second water tank 8, a third water tank 9, a water pump 12, a water inlet pipe 11, an overflow pipe 10 and a lifting component, wherein the bottom of the first water tank 7 is fixedly connected with the frame 1, the first water tank 7 is provided with a top opening, the second water tank 8 includes a tank 31, a water inlet 32, an overflow port 34, a water outlet 33 and a valve 15, the water inlet 32 is arranged at the top of the tank 31, the upper end of the water inlet pipe 11 is connected into the tank 31 through the water inlet 32, the lower end of the water inlet pipe 11 is connected with the water pump 12, the water pump 12 is connected with the first water tank 7, the overflow port 34 is arranged on a side wall of the tank 31, one end of the overflow pipe 10 is connected with the overflow port 34, the other end of the overflow pipe 10 is connected into the first water tank 7 through the top opening, the water outlet 33 is arranged at the bottom of the tank 31, the water outlet 33 is connected with the water outlet 33 through the valve 33, and the water outlet 33 is used for controlling the on-off of the medical catheter 33 to be measured, and the water outlet 33 is arranged on the water outlet 33.

The lifting assembly is mounted on the frame body 1, and drives the box body 31 to move up and down.

In one embodiment, the lifting assembly includes a base 14 and a lifting device 13, the box 31 is mounted on the base 14, and the lifting device 13 drives the base 14 to move up and down. The case 31 is mounted on the base 14 so as to be stable and can move up and down with the base 14.

In an embodiment, the lifting device 13 includes a screw rod 28, a rotation driving mechanism, an upper support 27 and a lower support 29, the upper support 27 and the lower support 29 are connected to the frame 1 at an upper-lower interval, the upper end of the screw rod 28 is rotatably assembled on the upper support 27, the lower portion of the screw rod 28 passes through the lower support 29 and is rotatably assembled with the lower support 29, the lower end of the screw rod 28 is connected to the rotation driving mechanism, and the rotation driving mechanism drives the screw rod 28 to rotate.

The base 14 comprises a lifting plate 20, the box 31 is connected with the lifting plate 20, a threaded hole is formed in the lifting plate 20, the middle of the screw rod 28 penetrates through the lifting plate 20 and is matched with the threaded hole, a rotation stopping piece 24 is arranged on the periphery of the lifting plate 20, and the rotation stopping piece 24 is matched with the frame 1 in a rotation stopping mode. When the screw rod 28 rotates, the rotation of the lifter plate 20 is converted into the movement of the lifter plate 20 in the up-down direction by the rotation stopper 24. The cooperation of the lifting plate 20 and the screw rod 28 can be regarded as a screw rod 28 nut mechanism, and the operation mechanism is simple and convenient for design.

In one embodiment, the rotational drive mechanism includes a crank 30, the crank 30 being coupled to the bottom end of the lead screw 28. The screw rod 28 is rotated by manual rotation of the crank 30, so that the structure is simple and the operation is convenient.

In an embodiment, the lifting plate 20 includes a plate main body 21 and a protruding portion 23, a mounting hole 22 is provided in the middle of the plate main body 21, the box 31 is inserted into the mounting hole 22, and an outer wall of the box 31 is connected with a wall of the mounting hole 22.

The protruding portion 23 is connected to the side of the plate main body 21, and the screw hole is provided on the protruding portion 23. The screw holes are far away from the plate main body 21 of the lifting plate 20, can be staggered with the second water tank 8, and are more reasonable in layout.

In an embodiment, the frame 1 includes a plurality of columns 2, a top beam 3, a first middle beam 5 and a bottom plate 4, the columns 2 are provided with a plurality of top beams 3, each column 2 extends along an up-down direction, the bottom of each column 2 is connected with the bottom plate 4, the tops of two adjacent columns 2 are connected by the top beam 3 in a transition manner, the first middle beam 5 is connected between two adjacent columns 2, the upper side support 27 is connected with the top beam 3, and the lower side support 29 is connected with the first middle beam 5. The frame body 1 adopts a frame type structure, welded fastening is adopted between the upright posts 2 and the bottom plate 4, welded fastening is adopted between the top cross beam 3 and the upright posts 2, the whole structure is simplified, the assembly is convenient, in addition, the frame type structure is convenient, the integrated design of the structure is convenient, and the operating personnel can shake the handle conveniently.

In one embodiment, the rotation stopping member 24 includes a fixing plate 25 and a sliding block 26, the fixing plate 25 is connected to a side wall of the plate main body 21, the sliding block 26 is connected to the fixing plate 25, a sliding groove 16 is formed in the upright 2, and the sliding block 26 is assembled in the sliding groove 16. The rotation stopping member 24 is composed of a fixed plate 25 and a sliding block 26, and has a simple structure, so that the sliding block 26 is conveniently installed in the sliding groove 16.

In one embodiment, the number of rotation stops 24 corresponds to the number of posts 2. The rotation stopping pieces 24 are provided with four, and the four rotation stopping pieces 24 are in one-to-one correspondence with the four upright posts 2, so that the stability of the lifting plate 20 can be improved.

In an embodiment, the catheter flow detector further includes a water pump seat 19, the water pump seat 19 is connected to the frame 1, the water pump seat 19 is located in the middle of the frame 1, and the water pump 12 is connected to the water pump seat 19. The first middle cross beam 5 with be equipped with the second middle cross beam 6 between the bottom plate 4, the water pump seat 19 is fixed on the second middle cross beam 6, set up the water pump 12 in the middle part of support body 1, can play the constraint to inlet tube 11, avoid inlet tube 11 to rock.

In one embodiment, the conduit flow detector further comprises a scram switch 17, the scram switch 17 is mounted on the frame 1, and the scram switch 17 is used for controlling the water pump 12 to be turned off. The first water tank 7 is also provided with a water outlet 18 for discharging water in the first water tank 7 after the detection is finished.

The catheter flow detector of the embodiment of the utility model has the following working principle:

before the medical catheter is detected, the medical catheter is connected to the water outlet 33, the valve 15 is closed, the water pump 12 is started, the water pump 12 in the first water tank 7 is conveyed into the tank body 31 in the second water tank 8 by the water pump 12, water exceeding the overflow port 34 in the tank body 31 is discharged from the overflow pipe 10, when the water in the tank body 31 is stable, the valve 15 is opened and kept for a certain period of time, during which the water in the second water tank 8 enters the medical catheter through the water outlet 33, the water flowing through the medical catheter enters the third water tank 9, then the valve 15 is closed, the water volume in the third water tank 9 is measured, and the flow of the medical catheter in the period of time is calculated through the volume and the opening time of the valve 15.

According to the catheter flow detector provided by the embodiment of the utility model, the crank 30 drives the screw rod 28 to rotate, so that the base 14 moves up and down, the height of the second water tank 8 is adjusted, and then the liquid pressure in the second water tank 8 is changed, so that the flow detection of the medical catheter under the condition of different liquid pressures in the catheter is realized, the operation is simple, the base 14 can be stably kept at the required height under the condition that the rotation angle of the crank 30 is fixed, the liquid output of stable pressure can be carried out on the medical catheter, and the measurement accuracy is improved.

In other embodiments, the lifting device 13 may be a lifting cylinder, and the lifting cylinder drives the base 14 to move up and down.

In other embodiments, the rotation driving mechanism may also be a motor, the bottom end of the screw rod 28 is connected to an output shaft of the motor, and the screw rod 28 is driven to rotate by the motor.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a pipe flow detector which characterized in that, including support body (1), first water tank (7), second water tank (8), third water tank (9), water pump (12), inlet tube (11), overflow pipe (10) and lifting unit, the bottom of first water tank (7) is fixed to be connected with support body (1), first water tank (7) are equipped with open-top, second water tank (8) include box (31), water inlet (32), overflow mouth (34), delivery port (33) and valve (15), water inlet (32) set up in the top of box (31), the upper end of inlet tube (11) is by water inlet (32) inserts in box (31), the lower extreme of inlet tube (11) with water pump (12) link to each other, water pump (12) link to each other with first water tank (7), overflow mouth (34) set up on the lateral wall of box (31), one end of overflow pipe (10) with overflow mouth (34), delivery port (33) are used for the medical grade (33) are connected by water inlet (11) the opening of inlet tube (11) is in the bottom of box (31), the valve (15) is arranged on the water outlet (33) and used for controlling the on-off of the water outlet (33), and the third water tank (9) is used for collecting liquid flowing out of the medical catheter;

the lifting assembly is arranged on the frame body (1), and drives the box body (31) to move up and down.

2. Catheter flow detector according to claim 1, characterized in that the lifting assembly comprises a base (14) and a lifting device (13), the box (31) being mounted on the base (14), the lifting device (13) driving the base (14) to move up and down.

3. The catheter flow rate detector according to claim 2, wherein the lifting device (13) comprises a screw rod (28), a rotation driving mechanism, an upper support (27) and a lower support (29), wherein the upper support (27) and the lower support (29) are connected to the frame body (1) at intervals up and down, the upper end of the screw rod (28) is rotatably assembled on the upper support (27), the lower part of the screw rod (28) penetrates through the lower support (29) and is rotatably assembled with the lower support (29), the lower end of the screw rod (28) is connected with the rotation driving mechanism, and the rotation driving mechanism drives the screw rod (28) to rotate;

the base (14) comprises a lifting plate (20), the box body (31) is connected with the lifting plate (20), a threaded hole is formed in the lifting plate (20), the middle of the screw rod (28) penetrates through the lifting plate (20) and is matched with the threaded hole, a rotation stopping piece (24) is arranged on the periphery of the lifting plate (20), and the rotation stopping piece (24) is matched with the frame body (1) in a rotation stopping mode.

4. A catheter flow detector according to claim 3, characterized in that the rotational drive mechanism comprises a crank (30), the crank (30) being connected to the bottom end of the screw (28).

5. A catheter flow rate detector according to claim 3, characterized in that the lifting plate (20) comprises a plate main body (21) and a protruding part (23), a mounting hole (22) is arranged in the middle of the plate main body (21), the box body (31) is inserted into the mounting hole (22), and the outer wall of the box body (31) is connected with the hole wall of the mounting hole (22);

the protruding part (23) is connected to the side edge of the plate main body (21), and the threaded hole is formed in the protruding part (23).

6. The catheter flow detector according to claim 5, wherein the frame body (1) comprises a plurality of columns (2), top beams (3), first middle beams (5) and a bottom plate (4), the columns (2) are provided with a plurality of top beams (3), each column (2) extends along the up-down direction, the bottom of each column (2) is connected with the bottom plate (4), the tops of two adjacent columns (2) are connected by the top beams (3) in a transition manner, the first middle beams (5) are connected between two adjacent columns (2), the upper side supports (27) are connected with the top beams (3), and the lower side supports (29) are connected with the first middle beams (5).

7. Catheter flow detector according to claim 6, characterized in that the rotation stop (24) comprises a fixed plate (25) and a slide block (26), the fixed plate (25) is connected with the side wall of the plate main body (21), the slide block (26) is connected with the fixed plate (25), a chute (16) is arranged on the upright post (2), and the slide block (26) is assembled in the chute (16).

8. Catheter flow detector according to claim 7, characterized in that the number of rotation stops (24) corresponds to the number of uprights (2).

9. Catheter flow detector according to any of claims 1 to 8, further comprising a water pump seat (19), said water pump seat (19) being connected to said frame (1), said water pump seat (19) being located in the middle of said frame (1), said water pump (12) being connected to said water pump seat (19).

10. The catheter flow detector of claim 9, further comprising a scram switch (17), the scram switch (17) being mounted on the housing (1), the scram switch (17) being configured to control the water pump (12) to turn off.