CN112274712A - Measurable peritoneal dialysis external connecting device - Google Patents

Abstract

The invention provides a measurable peritoneal dialysis in-vitro connecting device, and relates to the technical field of membrane dialysis. The measurable peritoneal dialysis external connecting device comprises a perfusion tube, a drain tube, a peritoneal dialysis catheter connector and a discharged liquid collecting bag; the perfusion tube and the liquid discharge tube are both connected with the peritoneal dialysis catheter joint; one end of the drainage pipe, which is far away from the peritoneal dialysis catheter joint, is connected with a drainage liquid collecting bag; the one end of filling the pipe and keeping away from peritoneal dialysis catheter connects is provided with the filling joint who communicates with the dislysate, fills and is provided with first measurement container on the pipe, first measurement container both ends all with fill the pipe intercommunication. The technical effect that the dialysis liquid amount metering error is small is achieved.

Description

Measurable peritoneal dialysis external connecting device

Technical Field

The invention relates to the technical field of membrane dialysis, in particular to a measurable peritoneal dialysis extracorporeal connecting device.

Background

Peritoneal dialysis is to regularly and regularly inject prepared dialysate into the peritoneal cavity of a patient through a catheter by utilizing the characteristic that the peritoneum is used as a semi-permeable membrane through the action of gravity, and because the concentration gradient difference of solutes exists at two sides of the peritoneum, the solute at one side with high concentration moves to one side with low concentration (dispersion action); the water moves from the hypotonic side to the hypertonic side (osmosis). The peritoneal dialysis solution is continuously replaced to achieve the purposes of removing in vivo metabolites and toxic substances and correcting water and electrolyte balance disorder.

Peritoneal dialysis is a main method for children renal failure and kidney replacement therapy, and peritoneal dialysis of children is different in choice of dialysate due to different weights; the children dialysate is usually filled according to 30-50 ml/kg, and the prior peritoneal dialysate has limited specification and is not suitable for various specifications of children; at present, peritoneal dialysis uses a weighing mode to calculate the amount of dialysate, and certain errors exist.

Therefore, it is an important technical problem to be solved by those skilled in the art to provide a measurable external connection device for peritoneal dialysis that can accurately measure the amount of dialysis solution.

Disclosure of Invention

The invention aims to provide a measurable peritoneal dialysis solution external connection device, which is used for relieving the technical problem of large measurement error of the volume of dialysis solution in the prior art.

In a first aspect, embodiments of the present invention provide a measurable peritoneal dialysis external connection device, including a perfusion tube, a drainage tube, a peritoneal dialysis catheter adapter, and a drainage collection bag;

the perfusion tube and the drain tube are both connected with the peritoneal dialysis catheter joint;

one end of the drainage pipe, which is far away from the peritoneal dialysis catheter joint, is connected with the drainage liquid collecting bag;

the one end of filling the pipe and keeping away from peritoneal dialysis catheter connects is provided with the filling joint with the dislysate intercommunication, be provided with first measurement container on filling the pipe, first measurement container both ends all with fill the pipe intercommunication.

In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the perfusion tube and the drain tube are respectively connected to the peritoneal dialysis catheter joint through a three-way switch.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein a second metering container is disposed on an outer wall of the drainage collection bag, and the drainage collection bag is communicated with the drainage pipe through the second metering container;

and the upper part of the second metering container is provided with a liquid outlet communicated with the discharged liquid collecting bag.

In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the drainage collection bag is bonded to the second measuring container.

In combination with the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein a hook is disposed on a top of the drainage collection bag.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein a first control switch for controlling opening and closing of the filling pipe is disposed between the first metering container and the filling connector.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein a drip cup is disposed between the first metering container and the three-way switch, and two ends of the drip cup are communicated with the filling pipe.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein the drip cup employs a murphy dropper.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein a dropping speed adjusting switch for adjusting a perfusion speed of the dialysate is disposed between the drip cup and the three-way switch.

With reference to the first aspect, an embodiment of the present invention provides a possible implementation manner of the first aspect, wherein a second control switch for controlling opening and closing of the liquid discharge pipe is disposed on the liquid discharge pipe.

Has the advantages that:

the invention provides a measurable peritoneal dialysis external connection device, which comprises a perfusion tube, a drainage tube, a peritoneal dialysis catheter joint and a drainage liquid collecting bag, wherein the perfusion tube is connected with the drainage tube; the perfusion tube and the liquid discharge tube are both connected with the peritoneal dialysis catheter joint; one end of the drainage pipe, which is far away from the peritoneal dialysis catheter joint, is connected with a drainage liquid collecting bag; the one end of filling the pipe and keeping away from peritoneal dialysis catheter connects is provided with the filling joint who communicates with the dislysate, fills and is provided with first measurement container on the pipe, first measurement container both ends all with fill the pipe intercommunication.

Particularly, when in use, the perfusion connector is connected with a bag filled with dialysate, and then the peritoneal dialysis catheter connector is connected with a membrane dialysis catheter on the body of a patient, the perfusion tube below the first metering container can be clamped by the clamp, then the dialysate in the patient body is discharged into the discharged liquid collecting bag by the liquid discharge tube, then the liquid discharge pipe can be clamped through the clamp, then the dialysate flows into the first metering container, after the first metering container contains a certain volume of dialysate, the filling pipe between the first metering container and the filling connector can be clamped through the clamp, then the perfusion tube below the first metering container is loosened, so that the dialysate can flow into the patient, and the work is repeated, so that enough dialysate can be introduced into the patient, and through the setting of first measurement container, can accurate learn to inject into the internal dislysate volume of patient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the overall structure of a measurable external connection device for peritoneal dialysis provided by an embodiment of the present invention;

fig. 2 is a schematic diagram of a drain collection bag and a second metering container of a metered pd extracorporeal connection apparatus according to an embodiment of the present invention.

Icon:

100-a perfusion tube; 110-a perfusion connector;

200-drain pipe;

300-peritoneal dialysis catheter adapter;

400-effluent collection bag; 410-hanging hook;

500-a first metering container;

600-three-way switch;

700-a second dosing container; 710-drain port;

800-a first control switch;

910-drip cup; 920-drop speed regulating switch.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.

Referring to fig. 1 and 2, the present embodiment provides a metered pd extracorporeal connection apparatus, comprising an infusion tube 100, a drain tube 200, a pd catheter adapter 300, and a drain collection bag 400; both the irrigation tube 100 and the drainage tube 200 are connected to a peritoneal dialysis catheter adapter 300; one end of the drainage pipe 200 far away from the peritoneal dialysis catheter connector 300 is connected with a drainage liquid collecting bag 400; the end of the perfusion tube 100 far away from the peritoneal dialysis catheter connector 300 is provided with a perfusion connector 110 communicated with dialysate, the perfusion tube 100 is provided with a first metering container 500, and two ends of the first metering container 500 are communicated with the perfusion tube 100.

Specifically, when in use, the perfusion connector 110 is connected with a bag containing dialysate, the peritoneal dialysis catheter connector 300 is connected with a coated dialysis catheter on the body of a patient, the perfusion tube 100 below the first metering container 500 can be clamped by a clamp, the dialysate in the body of the patient is discharged into the discharged fluid collecting bag 400 by the liquid discharge tube 200, the liquid discharge tube 200 can be clamped by the clamp, the dialysate flows into the first metering container 500, after the first metering container 500 contains a certain volume of dialysate, the perfusion tube 100 between the first metering container 500 and the perfusion connector 110 can be clamped by the clamp, the perfusion tube 100 below the first metering container 500 is released, so that the dialysate can flow into the body of the patient, the operation is repeated, enough dialysate can be introduced into the body of the patient, and through the arrangement of the first metering container 500, the amount of dialysate injected into the patient can be accurately known.

In use, the medical staff may clamp the perfusion tube 100 or the drainage tube 200 by the clip in the department, or clamp the perfusion tube 100 or the drainage tube 200 by other methods, so as to cut off the channel in the perfusion tube 100 or the drainage tube 200.

It should be noted that the first measuring container 500 is provided with a scale value for the user or the medical staff to know the total amount of the dialysate in the first measuring container 500, and the first measuring container 500 has a larger capacity, for example, the first measuring container 500 can contain at most 150ml, 200ml or 300ml of dialysate, so as to reduce the number of operations and facilitate the statistics of the user or the medical staff.

Referring to fig. 1 and 2, in an alternative embodiment, the perfusion tube 100 and the drainage tube 200 are connected to the pd catheter adapter 300 by a three-way switch 600.

Specifically, the perfusion tube 100 is connected to an injection port of the three-way switch 600, the drain tube 200 is connected to a discharge port of the three-way switch 600, and both the perfusion tube 100 and the drain tube 200 can be communicated with the peritoneal dialysis catheter in the patient body through the peritoneal dialysis catheter joint 300 by the control of the three-way switch 600.

Specifically, when the perfusion tube 100 is connected to the peritoneal dialysis catheter in the patient, the outside non-contaminated dialysate can be introduced into the patient, and when the drainage tube 200 is connected to the peritoneal dialysis catheter in the patient, the used dialysate in the patient can be drained.

Specifically, when the patient uses the apparatus daily, the three-way switch 600 opens the passage between the drainage tube 200 and the peritoneal dialysis catheter in the patient's body, and closes the passage between the infusion tube 100 and the peritoneal dialysis catheter in the patient's body, so that the dialysate in the patient's body is drained first, and then the three-way switch 600 is controlled to infuse a new dialysate.

Wherein, the three-way switch 600 has three-position control, that is, the three-way switch 600 can keep the liquid discharge pipe 200 communicated with the peritoneal dialysis catheter in the patient body, and close the passage of the perfusion tube 100 and the peritoneal dialysis catheter in the patient body; the perfusion tube 100 can be kept communicated with the peritoneal dialysis catheter in the patient body, and the drainage tube 200 is closed to the peritoneal dialysis catheter in the patient body; the drainage tube 200 and the infusion tube 100 can be closed simultaneously with the passage of the peritoneal dialysis catheter in the patient.

Referring to fig. 1 and 2, in an alternative of the present embodiment, a second metering container 700 is provided on an outer wall of the effluent collecting bag 400, and the effluent collecting bag 400 communicates with the drain pipe 200 through the second metering container 700; the second measuring container 700 has a liquid outlet 710 formed at the upper portion thereof and communicating with the discharged liquid collecting bag 400.

Specifically, the outer wall of the discharged liquid collecting bag 400 is provided with a second measuring container 700, the second measuring container 700 is communicated with the liquid discharge pipe 200, the second measuring container 700 is provided with a liquid discharge port 710, and the second measuring container 700 is communicated with the discharged liquid collecting bag 400 through the liquid discharge port 710.

When the dialysate in the patient is drained, the three-way switch 600 is controlled to open the channel between the drainage tube 200 and the peritoneal dialysis catheter, so that the dialysate in the patient can flow into the second metering container 700, after the second metering container 700 contains a certain volume of dialysate, the three-way switch 600 is controlled to close the channel between the drainage tube 200 and the peritoneal dialysis catheter, and then the patient or medical staff can guide the dialysate in the second metering container 700 into the drainage fluid collecting bag 400 along the drainage port 710, and then the above operations are repeated for a plurality of times until the dialysate in the patient is drained. Through the arrangement of the second metering container 700, a patient or medical staff can know the total discharged dialysate, so that the amount of the perfused dialysate can be controlled, and the safety of the patient can be ensured.

It should be noted that the second metering container 700 is provided with a scale value, so that the user or the medical staff can know the total amount of the dialysate in the second metering container 700, and the capacity of the second metering container 700 is large, for example, the second metering container 700 can contain at most 150ml, 200ml or 300ml of dialysate, so as to reduce the number of operations and facilitate the statistics of the user or the medical staff.

Referring to fig. 1 and 2, in an alternative embodiment, the effluent collection bag 400 is bonded to a second measuring container 700.

Specifically, the second measuring container 700 and the discharged fluid collecting bag 400 are bonded together, and the second measuring container 700 has a drain port 710 at the joint where the two stand, and the discharged fluid collecting bag 400 has a through hole at the joint where the two stand, so that the second measuring container 700 can introduce the dialysate therein into the discharged fluid collecting bag 400 through the drain port 710.

Referring to fig. 1 and 2, in an alternative of this embodiment, a drain collection bag 400 is provided with a hook 410 at the top.

Specifically, the hook 410 is provided on the top of the discharged fluid collecting bag 400, and the discharged fluid collecting bag 400 can be hung by the hook 410 during peritoneal dialysis, thereby facilitating the patient or medical staff to pour the dialysate in the second measuring container 700 into the discharged fluid collecting bag 400.

In addition, the upper portion of the discharged fluid collecting bag 400 is bonded to the second measuring container 700, because the dialysate in the discharged fluid collecting bag 400 does not flow back into the second measuring container 700 when the discharged fluid collecting bag 400 is hung up.

Referring to fig. 1 and 2, in an alternative embodiment of the present invention, a first control switch 800 for controlling the opening and closing of the perfusion tube 100 is disposed between the first metering container 500 and the perfusion connector 110.

Specifically, a first control switch 800 is arranged between the first metering container 500 and the filling connector 110, and the opening and closing of the filling pipe 100 can be controlled through the first control switch 800, so that the new dialysate can be controlled to enter the large first metering container 500, the control of a patient or medical staff is facilitated, and the filling pipe 100 does not need to be clamped by a clamp repeatedly.

In addition, through the setting of first control switch 800, the convenient, timely control of patient or medical staff of being convenient for fills opening and shutting of pipe 100 for the dislysate that enters into first measurement container 500 can be below effective reading, improves the degree of accuracy of measuring the dislysate.

After the three-way switch 600 and the first control switch 800 are provided, a clip in the department room may not be used.

Referring to fig. 1 and 2, in an alternative embodiment of the present invention, a drip cup 910 is disposed between the first metering container 500 and the three-way switch 600, and both ends of the drip cup 910 are communicated with the filling pipe 100.

Specifically, through the arrangement of the drip cup 910, the speed of the dialysate is uniform, the stimulation to the patient is reduced, the extravasation is prevented, and air is prevented from entering the body of the patient.

In an alternative embodiment, the drip chamber 910 employs a Murphy's dropper.

Specifically, the drip cup 910 may be a Murphy's dropper.

In addition, according to actual requirements, those skilled in the art can select the type and model of the drip cup 910 by themselves.

Referring to fig. 1 and 2, in an alternative of the present embodiment, a dropping speed adjusting switch 920 for adjusting the perfusion speed of the dialysate is disposed between the drip cup 910 and the three-way switch 600.

Specifically, through the setting of dropping speed regulating switch 920, the speed that the dislysate was filled can further be controlled, keeps the steady injection of dislysate to the patient in vivo.

In an alternative of this embodiment, the drain pipe 200 is provided with a second control switch for controlling the opening and closing of the drain pipe 200.

Specifically, set up second control switch on fluid-discharge tube 200, can control opening and shutting of fluid-discharge tube 200 through second control switch to the control enters into the volume of second metering container 700 from the internal dialysate that flows out of patient, and patient or medical staff's control of being convenient for need not to utilize the clip centre gripping repeatedly to fill pipe 100.

In addition, through the setting of second control switch, the convenient, timely control of opening and shutting of flowing back pipe 200 of patient or medical staff of being convenient for the dislysate that enters into second metering container 700 can be below effective reading, improves the degree of accuracy of measuring the dislysate.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A metered peritoneal dialysis extracorporeal connection apparatus, comprising: a perfusion tube (100), a drain tube (200), a peritoneal dialysis catheter connector (300) and a drain collection bag (400);

both the perfusion tube (100) and the drain tube (200) are connected with the peritoneal dialysis catheter adapter (300);

one end of the drainage pipe (200) far away from the peritoneal dialysis catheter connector (300) is connected with the drainage liquid collecting bag (400);

the one end of filling pipe (100) and keeping away from peritoneal dialysis catheter connects (300) is provided with fills joint (110) with the dislysate intercommunication, be provided with first measurement container (500) on filling pipe (100), first measurement container (500) both ends all with fill pipe (100) intercommunication.

2. The metered peritoneal dialysis set of claim 1 wherein the infusion tube (100) and the drain tube (200) are each connected to the peritoneal dialysis catheter adapter (300) by a three-way switch (600).

3. The metered pd extracorporeal connection apparatus according to claim 1, wherein a second metering container (700) is provided on the outer wall of the drained fluid collecting bag (400), and the drained fluid collecting bag (400) is in communication with the drain (200) via the second metering container (700);

the second measuring container (700) has a liquid outlet (710) formed at the upper portion thereof and communicating with the discharged liquid collecting bag (400).

4. A metered pd extracorporeal connection apparatus according to claim 3, wherein the drainage collection bag (400) is glued to the second metering container (700).

5. The metered pd extracorporeal connection apparatus of claim 4, wherein a hook (410) is provided on the top of the drained fluid collection bag (400).

6. A metered pd extracorporeal connection apparatus according to claim 2, characterised in that a first control switch (800) is provided between the first metering container (500) and the filling connection (110) for controlling the opening and closing of the filling tube (100).

7. The metered pd extracorporeal connection apparatus according to claim 6, wherein a drip cup (910) is provided between the first metering container (500) and the three-way switch (600), and both ends of the drip cup (910) communicate with the filling tube (100).

8. A metered pd extracorporeal connection apparatus according to claim 7, wherein said drip chamber (910) is a murphy dropper.

9. The metered pd extracorporeal connection apparatus of claim 7, wherein a drip speed regulating switch (920) is provided between the drip cup (910) and the three-way switch (600) for regulating the perfusion rate of the dialysate.

10. A metered pd extracorporeal connection apparatus according to any one of claims 1-9, characterised in that the drain (200) is provided with a second control switch for controlling the opening and closing of the drain (200).

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