A kind of intelligently adjustable domestic peritoneal dialysis fluid support

By intelligently adjusting the household permeability bracket, the cylinder and micro silent air compressor combined with ultrasonic flow sensors can automatically adjust the height of the permeability bag, solving the problem of changes in the discharge port height during night operation, and improving the permeability efficiency and safety sex.

CN111281557BActive Publication Date: 2024-12-27JIANGSU PROVINCE HOSPITAL (THE FIRST AFFILIATED HOSPITAL OF NANJING MEDICAL UNIVERSITY)
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Patent Information

Application Number
CN202010150879.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-03-06
Publication Date
2024-12-27
Estimated Expiration
2040-03-06

AI Technical Summary

Technical Problem

When the existing household abdominal permeability instrument is operated at night, the height of the discharge port changes due to the patient turning over or lying on his side, which reduces the efficiency of the abdominal permeability, causing physical harm, and the gravity-type design is inefficient.

Method used

Design an intelligently adjusted household permeability bracket, using a cylinder and a micro silent air compressor combined with an ultrasonic flow sensor, to automatically adjust the height of the permeability bag to ensure a stable discharge speed.

Benefits of technology

It realizes accurate adjustment of the height of peritoneal fluid, improves peritoneal efficiency, reduces operation difficulty and cost, and ensures the safety and comfort of patients.

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Abstract

The invention discloses an intelligently adjustable household peritoneal dialysis fluid support, comprising a bottom platform, a universal caster with brakes is provided on the lower end surface of the bottom platform, a PLC controller, a waste liquid collection box, a cylinder and a miniature silent air compressor are provided on the upper end surface of the bottom platform; the cylinder is symmetrically arranged at one end of the upper end surface of the bottom platform along the width direction, two supports are symmetrically arranged at the other end of the upper end surface of the bottom platform along the width direction, a peritoneal dialysis instrument platform is provided at one end of the two supports and the cylinder away from the bottom platform, a peritoneal dialysis fluid support fixing seat is provided on the top of the cylinder, the peritoneal dialysis fluid support fixing seat passes through the peritoneal dialysis instrument platform, and a peritoneal dialysis fluid support is provided in the peritoneal dialysis fluid support fixing seat.
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Description

Technical Field

[0001] The invention relates to a household peritoneal dialysis apparatus bracket, in particular to an intelligently adjustable household peritoneal dialysis fluid bracket. Background Art

[0002] At present, for patients who need to do abdominal dialysis frequently, the peritoneal dialysis machine is usually operated by the patient's family. The peritoneal dialysis for patients is usually arranged at night to ensure that the patients have sufficient activity time during the day to facilitate early recovery. When the patient turns over or lies on his side during sleep at night, the height of the cannula drainage port will change. At present, most families use gravity-type peritoneal dialysis machines. Therefore, the change in the height of the drainage port will change the height difference between the peritoneal dialysis fluid and the drainage port, reducing the peritoneal dialysis efficiency and causing harm to the patient's body. Therefore, it is necessary to design a household peritoneal dialysis fluid stand with automatic height adjustment. Summary of the invention

[0003] The technical problem to be solved by the present invention is to propose an intelligently adjustable domestic peritoneal dialysis fluid stand in view of the above shortcomings of the prior art. The present invention is easy to operate, safe and reliable, has a long service life, and helps to assist operators in the use of the set.

[0004] In order to solve the above technical problems, the technical solution of the present invention is realized in the following manner: an intelligently adjustable domestic peritoneal dialysis fluid stand, comprising a bottom platform, the lower end surface of the bottom platform is provided with a universal caster with brakes; two cylinder bases are symmetrically provided at one end of the upper end surface of the bottom platform along its width direction, an airway is provided in the cylinder base, and the airway passes through the upper end surface and one end side surface of the cylinder base; an air inlet interface is provided at the outlet of the airway near the side surface of the cylinder base, and the cylinder base is fixed to the bottom platform by bolts;

[0005] A cylinder connected with bolts is arranged on the cylinder base, and a butt flange matching with the cylinder base is arranged at one end of the cylinder close to the cylinder base in the length direction; a sealing ring fixing seat is arranged at one end of the cylinder away from the cylinder base in the length direction, a sealing ring is arranged in the sealing ring fixing seat, and a fixing flange matching with the sealing ring fixing seat is arranged on the sealing ring fixing seat;

[0006] A piston rod with a sliding connection is provided in the cylinder, a piston is provided at one end of the piston rod located in the cylinder, a peritoneal dialysis fluid support base with a threaded connection is provided at the other end of the piston rod along its length direction, an integrally formed locking sleeve is provided at one end of the peritoneal dialysis fluid support base away from the piston rod along its length direction, and a corresponding locking nut is provided on the locking sleeve; a peritoneal dialysis fluid support fixed by interference fit is provided in the locking sleeve;

[0007] Two circular brackets are symmetrically arranged at the other end of the upper end surface of the bottom platform along the width direction, and a peritoneal dialysis instrument platform is arranged at one end of the circular bracket away from the bottom platform along the length direction; the peritoneal dialysis instrument platform is a rectangular structure, and through holes matching with the fixing flange are symmetrically arranged at one end of the peritoneal dialysis instrument platform away from the circular bracket along the width direction, and screw holes corresponding to the fixing flange are arranged at the lower end surface of the peritoneal dialysis instrument platform; a peritoneal dialysis instrument is arranged at the upper end surface of the peritoneal dialysis instrument platform;

[0008] A miniature silent air compressor fixed with bolts is provided on the upper surface of the bottom platform, and an air duct is provided at the air outlet of the miniature silent air compressor; an electromagnetic three-way air valve is provided at one end of the air duct, and two cylinder air inlet pipes are symmetrically provided at the outlets at both ends of the electromagnetic three-way air valve, and the two cylinder air inlet pipes are respectively connected to the air inlet interfaces at corresponding positions; a waste liquid collection box is also provided on the upper surface of the bottom platform, a handle is provided on the upper end of the waste liquid collection box, and a liquid inlet is also provided on the upper end surface of the waste liquid collection box, which is connected to the liquid discharge port on the patient through a medical catheter, and an ultrasonic flow sensor is provided at the end close to the liquid discharge port of the patient.

[0009] A PLC controller fixed by bolts is arranged on the upper end surface of the bottom platform, and the PLC controller is connected with a micro silent air compressor, an electromagnetic three-way air valve and an ultrasonic flow sensor circuit.

[0010] The technical solution further defined in the present invention is:

[0011] The upper surface of the aforementioned peritoneal dialysis platform is provided with two symmetrical anti-fall railings, and the end of the peritoneal dialysis fluid holder away from the peritoneal dialysis platform is provided with two rows of hooks; the anti-fall railings can prevent the peritoneal dialysis machine from falling due to unconscious dragging by the patient, and multiple rows of hooks can facilitate the operator to replace the peritoneal dialysis fluid.

[0012] The PLC controller compares the flow data transmitted by the ultrasonic flow sensor, and then controls the on-off of the micro silent air compressor and the electromagnetic three-way air valve circuit; in general medicine, there are specified intervals for the discharge rate of peritoneal dialysis fluid. The ultrasonic flow sensor is used to monitor the flow rate at the discharge port, and the PLC PLC controller is used to compare the flow data transmitted by the ultrasonic flow sensor. According to the real-time flow rate, the micro silent air compressor and the electromagnetic three-way air valve circuit can be controlled to be on-off, thereby controlling the height of the peritoneal dialysis fluid.

[0013] The waste liquid collection box is disposable, and a weight scale is provided between the waste liquid collection box and the bottom platform; the weight scale is provided to weigh the waste liquid and compare it with the peritoneal dialysis fluid input, so that the operator can more intuitively understand the peritoneal dialysis situation of the peritoneal dialysis fluid in the patient's body.

[0014] The beneficial effects of the present invention are as follows: through the technical solution of the present invention, the peritoneal dialysis fluid holder can automatically adjust the height of the peritoneal dialysis fluid bag according to the flow rate of the waste liquid at the discharge port; when the patient needs to undergo peritoneal dialysis, the peritoneal dialysis fluid bags that need to be used can be hung on the hooks and then connected to the peritoneal dialysis instrument, and the upper end surface of the peritoneal dialysis instrument platform is provided with two symmetrical anti-fall railings, and the end of the peritoneal dialysis fluid holder away from the peritoneal dialysis instrument platform is provided with two rows of hooks; the anti-fall railings can prevent the peritoneal dialysis instrument from falling due to the patient's unconscious dragging, and the multiple rows of hooks can facilitate the operator to replace the peritoneal dialysis fluid; the PLC controller compares the flow data transmitted by the ultrasonic flow sensor, and then controls the on-off of the micro silent air compressor and the electromagnetic three-way valve circuit; in general medicine, there is occasionally a specified interval for the peritoneal dialysis fluid discharge speed, and the ultrasonic flow sensor is used to monitor the flow rate at the discharge port, and the PLC controller is used to By comparing the flow data transmitted by the ultrasonic flow sensor, the micro silent air compressor and the electromagnetic three-way air valve circuit can be controlled according to the real-time flow rate, thereby controlling the height of the peritoneal dialysis fluid; the control is more precise, the cost is low, and the operation is simple; the electromagnetic three-way air valve is used to control the on-off of the trachea, which is convenient for cylinder pressurization and cylinder pressure maintenance, and the cost is low and the installation is simple; a weight scale is also provided between the waste liquid collection box and the bottom platform; a weight scale is provided to weigh the waste liquid and compare it with the peritoneal dialysis fluid input, so that the operator can have a more intuitive understanding of the peritoneal dialysis situation of the peritoneal dialysis fluid in the patient's body, the cost is low and the operation is convenient; a disposable waste liquid collection box is provided, which is convenient for replacement and hygienic and environmentally friendly; a micro silent air compressor is used as an air pump, which has less noise and no odor, and can make patients feel more comfortable; universal casters with brakes are provided at the bottom, which makes space movement simpler and more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axial view of the present invention;

[0016] Figure 2 It is a front view of the present invention;

[0017] Figure 3 It is a right side view of the present invention;

[0018] Figure 4 for Figure 3 Sectional view at AA;

[0019] Figure 5 for Figure 4 A partial enlarged view of B in the middle;

[0020] Figure 6 It is a rear view of the present invention;

[0021] Figure 7 is a circuit block diagram of the present invention;

[0022] Among them: 1-bottom platform, 2-universal caster with brake, 3-cylinder base, 3a-airway, 3b-air inlet interface, 4-cylinder, 4a-joint flange, 4b-sealing ring fixing seat, 4c-sealing ring, 4d-fixing flange, 5-piston rod, 5a-piston, 6-peritoneal dialysis fluid bracket base, 6a-locking sleeve, 6b-locking nut, 7-peritoneal dialysis fluid bracket, 8-round bracket, 9-peritoneal dialysis instrument platform, 9a-through hole, 10-peritoneal dialysis instrument, 11-micro silent air compressor, 12-air guide tube, 13-electromagnetic three-way air valve, 14-cylinder air inlet pipe, 15-waste liquid collection box, 15a-handle, 15b-liquid inlet, 16-medical catheter, 17-ultrasonic flow sensor, 18-PLC controller, 19-anti-fall railing, 20-hook, 21-weight scale. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] A sealing ring to prevent air and liquid leakage is arranged between the flanges, and the sealing ring is an existing product; the miniature silent air compressor 11 and the electromagnetic three-way air valve 13 are both existing products.

[0025] Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention. In the description of the present invention, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" 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, and it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Example 1

[0027] A smart adjustable domestic peritoneal dialysis fluid stand comprises a bottom platform 1, wherein the bottom end surface of the bottom platform 1 is provided with a universal caster 2 with a brake; the upper end surface of the bottom platform 1 is symmetrically provided with two cylinder bases 3 along one end of its width direction, and an airway 3a is provided in the cylinder base 3, and the airway 3a passes through the upper end surface and one end side surface of the cylinder base 3; an air inlet interface 3b is provided at the outlet of the airway 3a near the side surface of the cylinder base 3, and the cylinder base 3 is fixed to the bottom platform 1 by bolts;

[0028] A cylinder 4 connected with bolts is arranged on the cylinder base 3, and a butt flange 4a matching with the cylinder base 3 is arranged at one end of the cylinder 4 close to the cylinder base 3 along the length direction; a sealing ring fixing seat 4b is arranged at one end of the cylinder 4 away from the cylinder base 3 along the length direction, a sealing ring 4c is arranged inside the sealing ring fixing seat 4b, and a fixing flange 4d matching with the sealing ring fixing seat 4b is arranged on the sealing ring fixing seat 4b;

[0029] A piston rod 5 is provided in the cylinder 4 in a sliding connection. A piston 5a is provided at one end of the piston rod 5 located in the cylinder 4. A peritoneal dialysis fluid support base 6 is provided at the other end of the piston rod 5 along its length direction. An integrally formed locking sleeve 6a is provided at one end of the peritoneal dialysis fluid support base 6 away from the piston rod 5 along its length direction. A corresponding locking nut 6b is provided on the locking sleeve 6a. A peritoneal dialysis fluid support 7 fixed by interference fit is provided in the locking sleeve 6a.

[0030] Two circular brackets 8 are symmetrically arranged at the other end of the upper end surface of the bottom platform 1 along the width direction thereof, and a peritoneal dialysis instrument platform 9 is arranged at one end of the circular bracket 8 away from the bottom platform 1 along the length direction thereof; the peritoneal dialysis instrument platform 9 is a rectangular structure, and through holes 9a matching with the fixing flange 4d are symmetrically arranged at one end of the peritoneal dialysis instrument platform 9 away from the circular bracket 8 along the width direction thereof, and screw holes corresponding to the fixing flange 4d are arranged at the lower end surface of the peritoneal dialysis instrument platform 9; a peritoneal dialysis instrument 10 is arranged at the upper end surface of the peritoneal dialysis instrument platform 9;

[0031] A miniature silent air compressor 11 fixed with bolts is provided on the upper end surface of the bottom platform 1, and an air guide pipe 12 is provided at the air outlet of the miniature silent air compressor 11; an electromagnetic three-way air valve 13 is provided at one end of the air guide pipe 12, and two cylinder air intake pipes 14 are symmetrically provided at the outlets of both ends of the electromagnetic three-way air valve 13, and the two cylinder air intake pipes 14 are respectively connected to the air intake interfaces 3b at corresponding positions; a waste liquid collection box 15 is also provided on the upper end surface of the bottom platform 2, and a handle 15a is provided at the upper end of the waste liquid collection box 15, and a liquid inlet 15b is also provided on the upper end surface of the waste liquid collection box 15, and the liquid inlet 15b is connected to the liquid discharge port on the patient through a medical catheter 16, and an ultrasonic flow sensor 17 is provided at the end close to the liquid discharge port of the patient.

[0032] A PLC controller 18 fixed with bolts is disposed on the upper end surface of the bottom platform 1 , and the PLC controller 18 is connected to the micro silent air compressor 11 , the electromagnetic three-way air valve 13 and the ultrasonic flow sensor 17 in an electric circuit.

[0033] The upper end surface of the peritoneal dialysis instrument platform 9 is provided with two symmetrical anti-fall railings 19, and the end of the peritoneal dialysis fluid support 7 away from the peritoneal dialysis instrument platform 9 is provided with two rows of hooks 20; the PLC controller 18 compares the flow data transmitted by the ultrasonic flow sensor 17, and then controls the circuit on and off of the micro silent air compressor 11 and the electromagnetic three-way valve 13; the waste liquid collection box 15 is only for one-time use, and a weight scale 21 is also provided between the waste liquid collection box 15 and the bottom platform 1.

[0034] The use process of this embodiment is as follows: when the patient needs peritoneal dialysis, the prepared peritoneal dialysis fluid is hung on the hook and connected to the peritoneal dialysis instrument, the peritoneal dialysis instrument is connected to the patient's abdominal cannula inlet, and the medical catheter 16 is connected to the patient's abdominal cannula outlet; after the main circuit is connected and the peritoneal dialysis instrument is turned on, the PLC controller sets an appropriate flow rate range, and the ultrasonic flow sensor 17 starts to monitor the flow rate of the waste liquid at the discharge port. If the flow rate is lower than the set range, the PLC controller controls the micro silent air compressor 11 to start, the electromagnetic three-way valve 13 is opened, the air pressure in the cylinder 4 increases, the piston 5a pushes the piston rod 5 to slide upward along the cylinder 4, and the peritoneal dialysis fluid support 7 is moved upward. When the flow rate is within the set range, the PLC controller controls the micro silent air compressor 11 to close, the electromagnetic three-way air valve 13 to close, the cylinder 4 to maintain pressure, and the peritoneal dialysis fluid maintains the current height unchanged; when the flow rate is higher than the set range, the PLC controller controls the micro silent air compressor 11 to close, the electromagnetic three-way air valve 13 to open, the air pressure in the cylinder 4 to drop, the piston rod 5 to drop, and the peritoneal dialysis fluid support 7 to drop accordingly, the height difference between the peritoneal dialysis fluid and the discharge port to decrease, until the flow rate is within the set range, the PLC controller controls the electromagnetic three-way air valve 13 to close, and the air pressure in the cylinder 4 to maintain.

[0035] The above embodiments are only for illustrating the technical idea of ​​the present invention, and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the present invention.

Claims

1. An intelligently adjustable domestic peritoneal dialysis stand, comprising a bottom platform (1), wherein the bottom platform (1) is provided with a universal castor (2) with a brake on the lower end surface; two cylinder bases (3) are symmetrically provided on the upper end surface of the bottom platform (1) along one end in the width direction thereof, wherein an airway (3a) is provided inside the cylinder base (3), wherein the airway (3a) passes through the upper end surface and one end side surface of the cylinder base (3); an air inlet interface (3b) is provided at an outlet of the airway (3a) close to the side surface of the cylinder base (3), and the cylinder base (3) is fixed to the bottom platform (1) by bolts; The cylinder base (3) is provided with a cylinder (4) connected by bolts, and one end of the cylinder (4) close to the cylinder base (3) along the length direction is provided with a docking flange (4a) matching with the cylinder base (3); one end of the cylinder (4) away from the cylinder base (3) along the length direction is provided with a sealing ring fixing seat (4b), a sealing ring (4c) is provided inside the sealing ring fixing seat (4b), and a fixing flange (4d) matching with the sealing ring fixing seat (4b) is provided on the sealing ring fixing seat (4b); A piston rod (5) is provided in a sliding connection in the cylinder (4); a piston (5a) is provided at one end of the piston rod (5) located in the cylinder (4); a peritoneal dialysis fluid support base (6) is provided at the other end of the piston rod (5) along its length direction; an integrally formed locking sleeve (6a) is provided at one end of the peritoneal dialysis fluid support base (6) away from the piston rod (5) along its length direction; a corresponding locking nut (6b) is provided on the locking sleeve (6a); a peritoneal dialysis fluid support (7) is provided in the locking sleeve (6a) and is fixed by interference fit; Two circular brackets (8) are symmetrically arranged at the other end of the upper end surface of the bottom platform (1) along the width direction thereof, and a peritoneal dialysis instrument platform (9) is arranged at one end of the circular bracket (8) away from the bottom platform (1) along the length direction thereof; the peritoneal dialysis instrument platform (9) is a rectangular structure, and through holes (9a) cooperating with the fixing flange (4d) are symmetrically arranged at one end of the peritoneal dialysis instrument platform (9) away from the circular bracket (8) along the width direction thereof, and screw holes corresponding to the fixing flange (4d) are arranged at the lower end surface of the peritoneal dialysis instrument platform (9); a peritoneal dialysis instrument (10) is arranged at the upper end surface of the peritoneal dialysis instrument platform (9); The upper end surface of the bottom platform (1) is provided with a miniature silent air compressor (11) fixed by bolts, and the air outlet of the miniature silent air compressor (11) is provided with an air guide pipe (12); one end of the air guide pipe (12) is provided with an electromagnetic three-way air valve (13), and two cylinder air intake pipes (14) are symmetrically provided at the outlets of both ends of the electromagnetic three-way air valve (13), and the two cylinder air intake pipes (14) are respectively connected to the air intake interfaces (3b) at corresponding positions; the upper end surface of the bottom platform (1) is also provided with a waste liquid collection box (15), and the upper end of the waste liquid collection box (15) is provided with a handle (15a), and the upper end surface of the waste liquid collection box (15) is also provided with a liquid inlet (15b), and the liquid inlet (15b) is connected to the liquid discharge port on the patient through a medical catheter (16), and the end of the medical catheter (16) close to the liquid discharge port of the patient is provided with an ultrasonic flow sensor (17); A PLC controller (18) fixed by bolts is provided on the upper end surface of the bottom platform (1), and the PLC controller (18) is connected to the micro silent air compressor (11), the electromagnetic three-way air valve (13) and the ultrasonic flow sensor (17) circuit.

2. The intelligently adjustable domestic peritoneal dialysis fluid support according to claim 1, characterized in that: The upper end surface of the peritoneal dialysis instrument platform (9) is provided with two symmetrical anti-fall railings (19), and the end of the peritoneal dialysis fluid support (7) away from the peritoneal dialysis instrument platform (9) is provided with two rows of hooks (20).

3. The intelligently adjustable domestic peritoneal dialysis fluid support according to claim 1, characterized in that: The PLC controller (18) compares the flow data transmitted by the ultrasonic flow sensor (17), and then controls the on / off of the circuits of the micro silent air compressor (11) and the electromagnetic three-way air valve (13).

4. The intelligently adjustable domestic peritoneal dialysis fluid support according to claim 1, characterized in that: The waste liquid collection box (15) is only used once, and a weight scale (21) is provided between the waste liquid collection box (15) and the bottom platform (1).

Citation Information

Patent Citations

  • Intelligently-adjusted household peritoneal dialysis liquid support

    CN212066865U