Adjustable constant-speed quantitative cerebrospinal fluid drainage device for neurosurgery department

Abstract

The utility model belongs to the field of cerebrospinal fluid drainage equipment, in particular to an adjustable constant-speed quantitative cerebrospinal fluid drainage device for neurosurgery, which comprises a peristaltic pump, a ventricle / brain pool drainage tube, a tee joint and a drainage bag, a hose is mounted on the peristaltic pump, one end of the hose is provided with a Luer lock convex surface, and the other end of the hose is provided with a Luer lock concave surface; the tee joint is located between the peristaltic pump and the ventricle / brain pool drainage tube, the end, close to the peristaltic pump, of the tee joint is provided with a Luer lock concave face, the end, close to the ventricle / brain pool drainage tube, of the tee joint is provided with a Luer lock concave face, the tee joint is connected with a Luer lock convex face of a hose on the peristaltic pump through the Luer lock concave face, and the side end of the tee joint is a blind end with a heparin cap. The drainage device is reasonable in design, full drainage pipeline Luer lock connection is achieved, safety and firmness of the drainage pipeline are guaranteed, drainage quantity and drainage speed can be monitored in real time through the peristaltic pump display panel, early warning can be carried out on abnormal conditions, and drainage safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cerebrospinal fluid drainage devices, in particular to an adjustable speed and quantitative cerebrospinal fluid drainage device for neurosurgery. Background Technique

[0002] Cerebrospinal fluid drainage is a common diagnostic and therapeutic method in the field of neurosurgery, and is often applied in various preoperative and postoperative diagnosis and treatment processes in neurosurgery. Traditional cerebrospinal fluid drainage techniques are prone to problems such as insufficient drainage, excessive drainage, pipeline blockage, and abnormal reflux, which may lead to complications such as hydrocephalus, high intracranial pressure syndrome, low intracranial pressure syndrome, intracranial hemorrhage, headache, dizziness, nausea, vomiting, and intracranial infection. Therefore, it may exacerbate the patient's condition, affect the treatment effect, prolong the hospital stay, increase the treatment cost, and even cause the death of the patient. Therefore, we propose an adjustable speed and quantitative cerebrospinal fluid drainage device for neurosurgery to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose an adjustable speed and quantitative cerebrospinal fluid drainage device for neurosurgery.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] An adjustable speed and quantitative cerebrospinal fluid drainage device for neurosurgery, including a peristaltic pump, a ventricle / cistern drainage tube, a three-way joint, and a drainage bag. A hose is installed on the peristaltic pump. One end of the hose is set as a Luer lock convex surface, and the other end of the hose is set as a Luer lock concave surface;

[0006] The three-way joint is located between the peristaltic pump and the ventricle / cistern drainage tube. One end of the three-way joint close to the peristaltic pump is set as a Luer lock concave surface, and one end of the three-way joint close to the ventricle / cistern drainage tube is set as a Luer lock concave surface. The three-way joint is connected to the Luer lock convex surface of the hose on the peristaltic pump through the Luer lock concave surface. The side end of the three-way joint is a blind end with a heparin cap;

[0007] The cistern end of the ventricle / cistern drainage tube is a blind end with side holes. One end of the ventricle / cistern drainage tube close to the three-way joint is set as an external end, and the external end is set as a Luer lock concave surface. The external end is connected to the Luer lock concave surface of the three-way joint through the Luer lock concave surface.

[0008] Preferably, a drainage bag is connected to the right side of the peristaltic pump. A drainage bag hose is provided on the drainage bag, and the drainage bag hose is connected to the hose on the peristaltic pump.

[0009] Preferably, one end of the drainage bag hose away from the drainage bag is set as a Luer lock convex surface, and the drainage bag hose is connected to the Luer lock concave surface of the hose through the Luer lock convex surface.

[0010] Preferably, a drain pipe with a drain port is provided below the drainage bag. A sealing cover is installed at the bottom of the drain pipe, and a one-way anti-reflux valve is provided inside the drain pipe.

[0011] Preferably, a control panel is provided on the front side of the peristaltic pump. The control panel is provided with an up key, a down key, a pause key, a start key, an alarm key, a zeroing key, a drainage volume panel, and a drainage speed panel.

[0012] Preferably, a fixing mechanism for fixing the peristaltic pump is installed on the rear side of the peristaltic pump.

[0013] Preferably, the fixing mechanism includes a U-shaped fixing seat, a first threaded hole, a threaded rod, a fixing plate, and a knob. The U-shaped fixing seat is rotatably installed on the rear side of the peristaltic pump. First threaded holes are opened on the inner walls of both sides of the U-shaped fixing seat. The threaded rod is installed in the first threaded hole by thread. One end of the threaded rod is fixedly installed with a fixing plate, and the other end of the threaded rod is fixedly installed with a knob.

[0014] Preferably, a fixing sleeve is fixedly installed on the rear side of the peristaltic pump. A rotating column is fixedly installed on one side of the U-shaped fixing seat close to the peristaltic pump, and the rotating column is rotatably installed in the fixing sleeve.

[0015] Preferably, a plurality of slots are opened at equal intervals in a circular shape on the outer side of the rotating column. A second threaded hole is opened on the inner wall of the top of the fixing sleeve. A fixing screw is installed in the second threaded hole by thread. The fixing screw is adapted to the corresponding slot, and a handle is fixedly installed at the top end of the fixing screw.

[0016] The beneficial effects of the present utility model:

[0017] By connecting the ventricular / cisternal drainage tube, the three-way joint, the peristaltic pump, and the drainage bag, the risks of coiling, kinking, and disconnection of the drainage pipeline are reduced;

[0018] The luer lock connection of the entire drainage pipeline ensures the safety and firmness of the drainage pipeline;

[0019] The setting of the three-way joint can meet the needs of nursing and treatment in various clinical cerebrospinal fluid drainages;

[0020] The display panel of the peristaltic pump can monitor the drainage volume and drainage speed in real time, and adjust the drainage speed and target drainage volume according to clinical needs. And the alarm function of the peristaltic pump can timely identify various abnormal situations and the completion of drainage during the cerebrospinal fluid drainage process, and give an audible alarm and stop the drainage, reminding medical staff to check and handle in time, ultimately achieving safe and effective drainage of cerebrospinal fluid, enhancing the treatment effect while reducing the possibility of cerebrospinal fluid drainage-related complications, and reducing the workload of clinical nursing and treatment in cerebrospinal fluid drainage, and alleviating the problem of manpower shortage in current neurosurgical clinical work to a certain extent. Description of the Drawings

[0021] Figure 1 The structural schematic diagram of the adjustable speed and quantitative cerebrospinal fluid drainage device for neurosurgery proposed by the present utility model;

[0022] Figure 2 The rear three-dimensional structural schematic diagram of the peristaltic pump of the adjustable speed and quantitative cerebrospinal fluid drainage device for neurosurgery proposed by the present utility model;

[0023] Figure 3 For Figure 2 The sectional three-dimensional structural schematic diagram of the U-shaped fixing seat in

[0024] Figure 4 For Figure 2 The sectional three-dimensional structural schematic diagram of the fixing sleeve and the rotating column in

[0025] Figure 5 For Figure 4 The structural schematic diagram of part A in

[0026] In the figure: 1, peristaltic pump; 2, hose; 3, control panel; 4, three-way; 5, ventricle / cistern drainage tube; 6, external end; 7, heparin cap; 8, drainage bag hose; 9, drainage bag; 10, drain pipe; 11, sealing cover; 12, fixing mechanism; 13, U-shaped fixing seat; 14, first threaded hole; 15, threaded rod; 16, fixing plate; 17, knob; 18, fixing sleeve; 19, rotating column; 20, slot; 21, second threaded hole; 22, fixing screw; 23, handle. Specific embodiments

[0027] Next, the technical solutions of the present utility model will be clearly and completely described in conjunction with specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0028] Refer to Figures 1-5, a neurosurgical adjustable constant-speed and constant-volume cerebrospinal fluid drainage device, including a peristaltic pump 1, a ventricle / cistern drainage tube 5, a three-way stopcock 4, and a drainage bag 9. A flexible tube 2 is installed on the peristaltic pump 1. One end of the flexible tube 2 is set as a Luer lock convex surface, and the other end of the flexible tube 2 is set as a Luer lock concave surface. The three-way stopcock 4 is located between the peristaltic pump 1 and the ventricle / cistern drainage tube 5. One end of the three-way stopcock 4 close to the peristaltic pump 1 is set as a Luer lock concave surface, and one end of the three-way stopcock 4 close to the ventricle / cistern drainage tube 5 is set as a Luer lock concave surface. The three-way stopcock 4 is connected to the Luer lock convex surface of the flexible tube 2 on the peristaltic pump 1 through the Luer lock concave surface. The side end of the three-way stopcock 4 is a blind end with a heparin cap 7. The cistern end of the ventricle / cistern drainage tube 5 is a blind end with side holes. One end of the ventricle / cistern drainage tube 5 close to the three-way stopcock 4 is set as an external end 6, and the external end 6 is set as a Luer lock concave surface. The external end 6 is connected to the Luer lock concave surface of the three-way stopcock 4 through the Luer lock concave surface. More specifically, the peristaltic pump is connected to the hospital's conventional power supply or driven by a built-in rechargeable battery. The peristaltic pump 1 peristalsis makes the drainage process more precise and simple, enhances the effectiveness and safety of cerebrospinal fluid drainage, and helps the patient recover.

[0029] In this embodiment, a drainage bag 9 is connected to the right side of the peristaltic pump 1. A drainage bag flexible tube 8 is provided on the drainage bag 9. The drainage bag flexible tube 8 is connected to the flexible tube 2 on the peristaltic pump 1. One end of the drainage bag flexible tube 8 away from the drainage bag 9 is set as a Luer lock convex surface. The drainage bag flexible tube 8 is connected to the Luer lock concave surface of the flexible tube 2 through the Luer lock convex surface. The entire drainage pipeline is connected by Luer locks, ensuring the safety and firmness of the drainage pipeline.

[0030] In this embodiment, a drainage tube 10 with a drainage port is provided below the drainage bag 9. A sealing cover 11 is installed at the bottom of the drainage tube 10, and the inside of the drainage tube 10 is a one-way anti-reflux valve, which can effectively keep the drainage pipeline in a closed state and reduce the risk of retrograde infection of the drainage pipeline.

[0031] In this embodiment, a control panel 3 is provided on the front side of the peristaltic pump 1. The control panel 3 is provided with an up arrow key, a down arrow key, a pause key, a start key, an alarm key, a zero key, a drainage volume panel, and a drainage speed panel. Through the control panel, the daily drainage volume, drainage speed of the patient can be set and adjusted according to the patient's condition or clinical needs, and the drainage can be paused, started, and the drainage measurement per unit time can be zeroed and restarted; and when the set drainage target volume, drainage speed is insufficient, the drainage pipeline is blocked, the drainage pipeline has reflux, or air enters or the drainage pipeline is disconnected, the peristaltic pump control panel will alarm and stop the drainage.

[0032] In this embodiment, a fixing mechanism 12 for fixing the peristaltic pump 1 is installed at the rear side of the peristaltic pump 1. The fixing mechanism 12 includes a U-shaped fixing base 13, a first threaded hole 14, a threaded rod 15, a fixing plate 16, and a knob 17. The U-shaped fixing base 13 is rotatably installed on the rear side of the peristaltic pump 1. The first threaded holes 14 are opened on the inner walls of both sides of the U-shaped fixing base 13. The threaded rods 15 are installed in the first threaded holes 14 by threads. One end of each threaded rod 15 is fixedly installed with a fixing plate 16, and the other end of each threaded rod 15 is fixedly installed with a knob 17. By providing the fixing mechanism 12, the peristaltic pump 1 can be fixed to the head of the patient's bed, beside the bed, and the infusion stand through the threaded rods 15 and the fixing plates 16. It is simple and firm to fix, and is conducive to the progress of clinical nursing and treatment work.

[0033] In this embodiment, a fixing sleeve 18 is fixedly installed at the rear side of the peristaltic pump 1. A rotating column 19 is fixedly installed on one side of the U-shaped fixing base 13 close to the peristaltic pump 1, and the rotating column 19 is rotatably installed in the fixing sleeve 18. Through the cooperation of the rotating column 19 and the fixing sleeve 18, the U-shaped fixing base 13 can be rotated, so as to adjust the direction as needed. When it is necessary to place the fixed position on the horizontal cross bar at the head of the patient's bed, at this time, the U-shaped fixing base 13 needs to be rotated 90°. When the cross bar at the head of the patient's bed is placed in the U-shaped fixing base 13, the placement direction of the control panel 3 on the peristaltic pump 1 will not change, which is convenient for the staff to operate the control panel 3. A plurality of slots 20 are opened at equal intervals in a circular shape on the outer side of the rotating column 19. A second threaded hole 21 is opened on the inner wall of the top of the fixing sleeve 18. A fixing screw 22 is installed in the second threaded hole 21 by threads. The fixing screw 22 is adapted to the corresponding slot 20, and the top end of the fixing screw 22 is fixedly installed with a handle 23. Through the cooperation of the fixing screw 22 and the slot 20, the purpose of fixing and releasing the fixing of the rotating column 19 can be achieved.

[0034] In the present utility model, the peristaltic pump 1 is connected to the hospital's conventional power supply of 220V or driven by a built-in rechargeable battery; after the hose 2 on the peristaltic pump 1 is connected to the three-way joint 4, the ventricular / cistern drainage tube 5, and the drainage bag 9, the daily drainage volume (milliliters per day, ml / d), drainage speed (milliliters per hour, ml / h) of the patient can be set and adjusted according to the patient's condition or clinical needs through the control panel 3, and the drainage can be paused, started, and the drainage measurement per unit time can be reset to zero and start measuring again; and when the set drainage target volume, insufficient drainage speed, blocked drainage pipeline, reverse flow of the drainage pipeline, air intake or disconnection of the drainage pipeline are reached, the control panel 3 of the peristaltic pump 1 will alarm and stop the drainage. Through the connection method of the Luer lock concave surface and the Luer lock convex surface, the reverse flow phenomenon of the pipeline can be prevented, and drug injection into the cistern, intracisternal pressure measurement, cerebrospinal fluid sample extraction from the cistern for inspection, and flushing of the sediment in the three-way joint 4 and the drainage pipeline beyond it can be realized through the side end of the three-way joint 4, so as to meet the actual clinical needs, reduce the workload of clinical treatment and nursing, and prevent the occurrence of cerebrospinal fluid drainage-related complications at the same time.

[0035] The above has introduced in detail the adjustable constant-speed and constant-quantity cerebrospinal fluid drainage device for neurosurgery provided by the present utility model. Specific embodiments are used in this article to elaborate on the principle and implementation manner of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present utility model, several improvements and modifications can still be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. An adjustable constant-speed and constant-volume cerebrospinal fluid drainage device for neurosurgery, characterized in that, It includes a peristaltic pump (1), a ventricle / cistern drainage tube (5), a three-way stopcock (4) and a drainage bag (9). A hose (2) is installed on the peristaltic pump (1). One end of the hose (2) is set as a Luer lock convex surface, and the other end of the hose (2) is set as a Luer lock concave surface; The three-way stopcock (4) is located between the peristaltic pump (1) and the ventricle / cistern drainage tube (5). One end of the three-way stopcock (4) close to the peristaltic pump (1) is set as a Luer lock concave surface, and one end of the three-way stopcock (4) close to the ventricle / cistern drainage tube (5) is set as a Luer lock concave surface. The three-way stopcock (4) is connected to the Luer lock convex surface of the hose (2) on the peristaltic pump (1) through the Luer lock concave surface. The side end of the three-way stopcock (4) is a blind end with a heparin cap (7); The cistern end of the ventricle / cistern drainage tube (5) is a blind end with side holes. One end of the ventricle / cistern drainage tube (5) close to the three-way stopcock (4) is set as an external end (6), and the external end (6) is set as a Luer lock concave surface. The external end (6) is connected to the Luer lock concave surface of the three-way stopcock (4) through the Luer lock concave surface.

2. The adjustable constant-speed and constant-quantity cerebrospinal fluid drainage device for neurosurgery according to claim 1, wherein A drainage bag (9) is connected to the right side of the peristaltic pump (1). A drainage bag hose (8) is provided on the drainage bag (9), and the drainage bag hose (8) is connected to the hose (2) on the peristaltic pump (1).

3. The adjustable constant-speed and constant-quantity cerebrospinal fluid drainage device for neurosurgery according to claim 2, wherein One end of the drainage bag hose (8) away from the drainage bag (9) is set as a Luer lock convex surface, and the drainage bag hose (8) is connected to the Luer lock concave surface of the hose (2) through the Luer lock convex surface.

4. The adjustable constant-speed and constant-quantity cerebrospinal fluid drainage device for neurosurgery according to claim 2, wherein A drain pipe (10) with a drain port is provided below the drainage bag (9). A sealing cover (11) is installed at the bottom of the drain pipe (10), and a one-way anti-reflux valve is inside the drain pipe (10).

5. The adjustable constant-speed and constant-quantity cerebrospinal fluid drainage device for neurosurgery according to claim 1, wherein A control panel (3) is arranged on the front side of the peristaltic pump (1). The control panel (3) is provided with an up key, a down key, a pause key, a start key, an alarm key, a zero key, a drainage volume panel and a drainage speed panel.

6. The adjustable constant-speed and constant-quantity cerebrospinal fluid drainage device for neurosurgery according to claim 1, characterized in that, A fixing mechanism (12) for fixing the peristaltic pump (1) is installed on the rear side of the peristaltic pump (1).

7. The neurosurgical adjustable constant-speed and constant-volume cerebrospinal fluid drainage device according to claim 6, wherein The fixing mechanism (12) includes a U-shaped fixing seat (13), a first threaded hole (14), a threaded rod (15), a fixing plate (16) and a knob (17). The U-shaped fixing seat (13) is rotatably installed on the rear side of the peristaltic pump (1). First threaded holes (14) are opened on the inner walls of both sides of the U-shaped fixing seat (13). Threaded rods (15) are threadedly installed in the first threaded holes (14). One end of the threaded rod (15) is fixedly installed with a fixing plate (16), and the other end of the threaded rod (15) is fixedly installed with a knob (17).

8. The adjustable constant-speed and constant-volume cerebrospinal fluid drainage device for neurosurgery according to claim 7, characterized in that, A fixing sleeve (18) is fixedly installed on the rear side of the peristaltic pump (1). A rotating column (19) is fixedly installed on one side of the U-shaped fixing seat (13) close to the peristaltic pump (1), and the rotating column (19) is rotatably installed in the fixing sleeve (18).

9. The adjustable constant-speed and constant-volume cerebrospinal fluid drainage device for neurosurgery according to claim 8, wherein, A plurality of slots (20) are formed in an annular and equally spaced manner on the outer portion of the rotating column (19). A second threaded hole (21) is formed in the inner wall of the top of the fixed sleeve (18). A fixed screw (22) is threadedly installed in the second threaded hole (21). The fixed screw (22) is adapted to the corresponding slot (20), and a handle (23) is fixedly installed at the top end of the fixed screw (22).

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