Pre-filled double-cavity catheter flusher

Abstract

The pre-filling type double-cavity catheter flusher comprises a supporting plate, an adjusting mechanism and a braking mechanism are symmetrically arranged on the two sides of the top of the supporting plate respectively, a limiting mechanism is arranged on the top of the adjusting mechanism, and a flusher body is arranged in the limiting mechanism. The left side of the flusher body communicates with a double-cavity catheter body, a tightening mechanism is arranged at the top of the braking mechanism, an electric pushing mechanism is arranged on the right side of the supporting plate, the adjusting mechanism comprises adjusting grooves, a bidirectional adjusting lead screw and an adjusting block, the adjusting grooves are symmetrically formed in the top of the supporting plate in a digging mode, and the adjusting block is arranged in the adjusting grooves. A plurality of adjustable limiting mechanisms and a structure for limiting and fixing the flusher body and the connecting position of the flusher body and the double-cavity catheter body are adopted, then the flusher body is pushed, an electric-hydraulic push rod is adopted as a pushing part, the two hands of a worker are liberated, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary equipment for pre-filled double-lumen catheter flushers, in particular to a pre-filled double-lumen catheter flusher. Background Art

[0002] Prefilled catheter flusher is a new type of catheter sealing fluid that can replace traditional saline and other catheter sealing fluids. This new type of catheter sealing fluid has a wide range of applications, is easy to operate, has few limitations, and has little impact on the patient's condition and physiological indicators. A prefilled catheter flusher can complete some drug preparation before infusion, reduce the consumption of heavy materials, and facilitate storage.

[0003] For example, an existing Chinese authorized patent (publication number: CN 217797893 U) discloses a prefilled double-lumen catheter flusher including a double-lumen catheter body, a first chamber connection port, a second chamber connection port, a No. 1 chamber flusher, a No. 2 chamber flusher, and a flusher connection push plate. Flushing the two chambers of the double-lumen catheter with the chamber flusher can reduce the chance of contamination, reduce the risk of infection, have high safety, and avoid needlestick injuries to medical staff. The two chamber flushers are connected together, and the two chambers of the catheter are flushed simultaneously through the two connected chamber flushers, which is convenient for medical staff to operate, reduces operation time, and improves work efficiency. The device has a simple structure, low cost, and is easy to operate. It is suitable for large-scale popularization, making the work of medical staff more convenient.

[0004] The prefilled double-lumen catheter flusher designed as described above has the following disadvantages in actual use: the staff needs to hold the catheter flusher and the double-lumen catheter body with one hand, and use the thumb of the catheter flusher to push the push plate to operate it. It has no auxiliary structure, resulting in inconvenient operation.

[0005] In view of this, a prefilled double-lumen catheter flusher is provided to overcome the above-mentioned defects. Utility Model Content

[0006] In view of the problems in the related art, the utility model proposes a prefilled double-lumen catheter flusher to overcome the above technical problems existing in the existing related art.

[0007] To this end, the specific technical solutions adopted by the utility model are as follows:

[0008] A prefilled double-lumen catheter flusher, comprising a support plate, an adjustment mechanism and a brake mechanism are symmetrically arranged on both sides of the top of the support plate, a limit mechanism is arranged on the top of the adjustment mechanism, a flusher body is arranged in the limit mechanism, and the left side of the flusher body is connected to the double-lumen catheter body, a tight mechanism is arranged on the top of the brake mechanism, and an electric push mechanism is arranged on the right side of the support plate;

[0009] The adjustment mechanism includes an adjustment groove, a bidirectional adjustment screw and an adjustment block. The adjustment groove is symmetrically dug on the top of the support plate. A bidirectional adjustment screw is arranged in the adjustment groove. The outer wall of the bidirectional adjustment screw is connected with a plurality of adjustment blocks through threads.

[0010] The front surface of the bidirectional adjustment screw rod passes through one side of the inner cavity of the adjustment groove and extends out of one side of the support plate, and a button cap is sleeved on one side of the bidirectional adjustment screw rod;

[0011] Preferably, the limiting mechanism comprises a support rod and a limiting ring, the support rod is arranged on the top of the adjustment block, and a limiting ring is arranged on one side of the support rod.

[0012] Preferably, the flusher body is composed of a push plate, a first chamber flusher and a second chamber flusher, the first chamber flusher and the second chamber flusher are respectively located between a plurality of limit rings, the right side of the first chamber flusher and the second chamber flusher are connected with a push plate, and the double-chamber catheter body is respectively connected to the left side of the first chamber flusher and the second chamber flusher.

[0013] Preferably, the braking mechanism comprises a slide groove, a return spring and a slider, the slide groove is symmetrically excavated on the top of the support plate, a return spring is arranged on one side of the inner cavity of the slide groove, and a slider is connected to one side of the return spring.

[0014] Preferably, the tightening mechanism includes a connecting rod and a sealing ring, the connecting rod is arranged at the top of the slider, and a sealing ring is arranged on one side of the connecting rod, and the sealing ring is arranged at the connection between the double-cavity catheter body and the first chamber flusher and the second chamber flusher respectively.

[0015] Preferably, the electric pushing mechanism includes a mounting block and an electro-hydraulic push rod, wherein the mounting block is arranged on the right side of the support plate, the left side of the mounting block is connected to the electro-hydraulic push rod, and the electro-hydraulic push rod is in contact with the right side of the push plate.

[0016] This utility model has the following beneficial effects:

[0017] Compared with the prior art, the prefilled double-lumen catheter flusher, through the arranged adjustment mechanism and the components included therein, cooperates with the arranged braking mechanism, limiting mechanism, tightening mechanism and electric driving mechanism, and adopts a plurality of adjustable limiting mechanisms respectively, to limit and fix the flusher body and the connection between the flusher body and the double-lumen catheter body, and then pushes the flusher body using an electro-hydraulic push rod as the pushing component, freeing the hands of the staff and facilitating operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the main structure of a prefilled double-lumen catheter flusher according to an embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of the disassembled structure of a prefilled double-lumen catheter flusher according to an embodiment of the utility model;

[0021] Figure 3 It is an enlarged schematic diagram of the structure of position A of a prefilled double-lumen catheter flusher according to an embodiment of the utility model;

[0022] Figure 4 It is an enlarged schematic diagram of the structure at position B of a prefilled double-lumen catheter flusher according to an embodiment of the utility model.

[0023] In the figure:

[0024] 1. Support plate; 2. Adjustment mechanism; 3. Braking mechanism; 4. Limiting mechanism; 5. Flusher body; 6. Double-lumen catheter body; 7. Tightening mechanism; 8. Electric pushing mechanism; 9. Adjustment slot; 10. Bidirectional adjustment screw rod; 11. Adjustment block; 12. Support rod; 13. Limiting ring; 14. Slide; 15. Reset spring; 16. Slider; 17. Connecting rod; 18. Sealing ring; 19. Mounting block; 20. Electro-hydraulic push rod. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the practical embodiment clearer, the technical solutions in the embodiment will be clearly and completely described below in conjunction with the drawings in the practical embodiment. The following embodiments are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0027] In the description of this utility, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this utility can be understood according to specific circumstances.

[0028] Example

[0029] like Figure 1-4 As shown, a prefilled double-lumen catheter flusher according to an embodiment of the utility model comprises a support plate 1, and an adjusting mechanism 2 and a braking mechanism 3 are symmetrically arranged on both sides of the top of the support plate 1, a limiting mechanism 4 is arranged on the top of the adjusting mechanism 2, a flusher body 5 is arranged in the limiting mechanism 4, and the left side of the flusher body 5 is connected with the double-lumen catheter body 6, a tightening mechanism 7 is arranged on the top of the braking mechanism 3, and an electric pushing mechanism 8 is arranged on the right side of the support plate 1; the adjusting mechanism 2 serves as the adjusting end of the limiting mechanism 4, so that the distance between the two limiting mechanisms 4 is adjusted, and the flusher body 5 is limited and fixed, and the braking mechanism 3 serves as the adjusting end of the tightening mechanism 7, so that the distance between the two tightening mechanisms 7 is adjusted, and the connection between the flusher body 5 and the double-lumen catheter body 6 is more stable.

[0030] The adjustment mechanism 2 includes an adjustment groove 9, a two-way adjustment screw 10 and an adjustment block 11. The adjustment groove 9 is symmetrically dug on the top of the support plate 1. A two-way adjustment screw 10 is arranged in the adjustment groove 9. The outer wall of the two-way adjustment screw 10 is connected with multiple adjustment blocks 11 through threads. The front surface of the two-way adjustment screw 10 passes through one side of the inner cavity of the adjustment groove 9 and extends out of one side of the support plate 1, and a button cap is sleeved on one side of the two-way adjustment screw 10; the two-way adjustment screw 10 is rotated by turning the button cap. There are two threaded areas on the outer wall of the two-way adjustment screw 10, so multiple adjustment blocks 11 and the components thereon can be adjusted in a similar direction.

[0031] The limiting mechanism 4 includes a support rod 12 and a limiting ring 13, the support rod 12 is arranged on the top of the adjusting block 11, and a limiting ring 13 is arranged on one side of the support rod 12; the connection between the support rod 12 and the adjusting block 11 is a fixed connection, when the adjusting block 11 is driven and adjusted, the support rod 12 and the limiting ring 13 fixedly arranged on one side thereof are adjusted, so that the limiting ring 13 fits to one side of the flusher body 5, and multiple limiting rings 13 provide limiting and fixing effects for the flusher body 5.

[0032] The flusher body 5 is composed of a push plate, a first chamber flusher and a second chamber flusher. The first chamber flusher and the second chamber flusher are respectively located between a plurality of limit rings 13. The right side of the first chamber flusher and the second chamber flusher is connected with a push plate. The double-lumen catheter body 6 is respectively connected with the left side of the first chamber flusher and the second chamber flusher. This is a known technology.

[0033] The braking mechanism 3 includes a slide groove 14, a return spring 15 and a slider 16. The slide groove 14 is symmetrically excavated on the top of the support plate 1. A return spring 15 is arranged on one side of the inner cavity of the slide groove 14, and a slider 16 is connected to one side of the return spring 15. The connection between the connecting rod 17 and the slider 16 is a fixed connection. When the connecting rod 17 is pulled, the connecting rod 17 transmits the tension to the return spring 15 through the slider 16, so that the return spring 15 is deformed, and the slider 16 and the components thereon slide and adjust in the slide groove 14, so that the connecting rod 17 and the sealing ring 18 fixedly arranged on one side are driven, and the sealing ring 18 is fitted to the connection between the flusher body 5 and the double-lumen catheter body 6, so that the connection is more stable.

[0034] The tight mechanism 7 includes a connecting rod 17 and a sealing ring 18. The connecting rod 17 is arranged on the top of the slider 16. The sealing ring 18 is arranged on one side of the connecting rod 17. The sealing ring 18 is arranged at the connection between the double-lumen catheter body 6 and the first chamber flusher and the second chamber flusher respectively.

[0035] The electric pushing mechanism 8 includes a mounting block 19 and an electro-hydraulic push rod 20. The mounting block 19 is arranged on the right side of the support plate 1. The left side of the mounting block 19 is connected to the electro-hydraulic push rod 20, and the electro-hydraulic push rod 20 is in contact with the right side of the push plate. The electro-hydraulic push rod 20 is started by an external switch, and the electro-hydraulic push rod 20 pushes the push plate, so that the flusher body 5 flushes the double-lumen catheter body 6.

[0036] In summary, with the aid of the above technical solution of the utility model, when the device is in use, the flusher body 5 is respectively arranged between the two limit rings 13, and the two-way adjustment screw 10 is rotated by turning the button cap. The threaded area on the outer wall of the two-way adjustment screw 10 is two places, so it can be adjusted with multiple adjustment blocks 11 and the components thereon in a similar direction. The connection between the support rod 12 and the adjustment block 11 is a fixed connection. When the adjustment block 11 is driven and adjusted, the support rod 12 is adjusted with the limit ring 13 fixedly arranged on one side thereof, so that the limit ring 13 is attached to one side of the flusher body 5, and multiple limit rings 13 are on the flusher body 5. It provides a limiting and fixing effect. The connection between the connecting rod 17 and the slider 16 is a fixed connection. When the connecting rod 17 is pulled, the connecting rod 17 transmits the pulling force to the reset spring 15 through the slider 16, causing the reset spring 15 to deform, and slides and adjusts the slider 16 and the components thereon in the slide groove 14, so that the connecting rod 17 and the sealing ring 18 fixedly arranged on one side are driven, and the sealing ring 18 is fitted to the connection between the flusher body 5 and the double-lumen catheter body 6, making the connection more stable. The electro-hydraulic push rod 20 is started by an external switch, and the electro-hydraulic push rod 20 pushes the push plate, so that the flusher body 5 flushes the double-lumen catheter body 6.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A prefilled double-lumen catheter flusher, characterized in that: The invention comprises a support plate (1), wherein an adjusting mechanism (2) and a braking mechanism (3) are symmetrically arranged on both sides of the top of the support plate (1), a limiting mechanism (4) is arranged on the top of the adjusting mechanism (2), a flushing device body (5) is arranged inside the limiting mechanism (4), and a double-lumen catheter body (6) is connected to the left side of the flushing device body (5), a tightening mechanism (7) is arranged on the top of the braking mechanism (3), and an electric driving mechanism (8) is arranged on the right side of the support plate (1); The adjusting mechanism (2) comprises an adjusting groove (9), a bidirectional adjusting screw rod (10) and an adjusting block (11); the adjusting groove (9) is symmetrically excavated on the top of the supporting plate (1); a bidirectional adjusting screw rod (10) is arranged in the adjusting groove (9); and a plurality of adjusting blocks (11) are connected to the outer wall of the bidirectional adjusting screw rod (10) via threads; The front surface of the bidirectional adjustment screw rod (10) passes through one side of the inner cavity of the adjustment groove (9) and extends out of one side of the support plate (1), and a button cap is sleeved on one side of the bidirectional adjustment screw rod (10); The limiting mechanism (4) comprises a support rod (12) and a limiting ring (13); the support rod (12) is arranged on the top of the adjustment block (11); and the limiting ring (13) is arranged on one side of the support rod (12).

2. A prefilled double-lumen catheter flusher according to claim 1, characterized in that: The flusher body (5) is composed of a push plate, a first chamber flusher and a second chamber flusher. The first chamber flusher and the second chamber flusher are respectively located between a plurality of limit rings (13). The right sides of the first chamber flusher and the second chamber flusher are connected with a push plate. The double-chamber catheter body (6) is respectively connected with the left sides of the first chamber flusher and the second chamber flusher.

3. A prefilled double-lumen catheter flusher according to claim 1, characterized in that: The braking mechanism (3) comprises a slide groove (14), a return spring (15) and a slider (16); the slide groove (14) is symmetrically excavated on the top of the support plate (1); a return spring (15) is arranged on one side of the inner cavity of the slide groove (14); and a slider (16) is connected to one side of the return spring (15).

4. A prefilled double-lumen catheter flusher according to claim 3, characterized in that: The tightening mechanism (7) comprises a connecting rod (17) and a sealing ring (18), wherein the connecting rod (17) is arranged at the top of the slider (16), and a sealing ring (18) is arranged on one side of the connecting rod (17), and the sealing ring (18) is arranged at the connection between the double-lumen catheter body (6) and the first chamber flusher and the second chamber flusher respectively.

5. A prefilled double-lumen catheter flusher according to claim 1, characterized in that: The electric push mechanism (8) comprises a mounting block (19) and an electro-hydraulic push rod (20); the mounting block (19) is arranged on the right side of the support plate (1); the left side of the mounting block (19) is connected to the electro-hydraulic push rod (20), and the electro-hydraulic push rod (20) is in contact with the right side of the push plate.

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