CN213191621U

CN213191621U - Dialysate sampling device for hemodialysis machine

Info

Publication number: CN213191621U
Application number: CN202020850659.7U
Authority: CN
Inventors: 窦维东; 齐永扎
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-05-14
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses a dislysate sampling device for hemodialysis machine relates to medical equipment technical field. The utility model comprises a hemodialysis tube, a three-way diverter, a first hose, a second hose, a one-way valve, a sampling port and an interception switch; the three-way flow divider is divided into a main through pipe and a side branch pipe; both ends of the hemodialysis tube are connected with a main through tube of the three-way shunt; the first hose is provided with a one-way valve; a liquid-stopping switch is arranged on the second hose; one end of the second hose is provided with a sampling port; the sampling port is matched with the pipe orifice of the first hose. The utility model realizes the normal operation of the hemodialysis machine during sampling without influencing the treatment of the patient by controlling the interception switch; the sampling is convenient, and the sampling can be easily carried out by a single person; and the sampling device can be automatically sterilized along with the device, and the sterilization effect is better, so that the sampling device meets the sampling requirement.

Description

Dialysate sampling device for hemodialysis machine

Technical Field

The utility model belongs to the technical field of medical equipment, especially, relate to a dislysate sampling device for hemodialysis machine.

Background

Hemodialysis (hemodynamics), clinically meaning the removal of some of the waste products in the blood by a semi-permeable membrane, is one of the safer, easy to implement, and widely used blood purification methods. The dialysis liquid is the basis of all blood purification, and when the dialysis liquid does not reach the standard, the dialysis liquid can cause very serious injury to a patient, and a sterile technology is strictly executed in the sampling process, so that the dialysis liquid is prevented from being polluted, and the sample can reflect the real condition of the dialysis liquid. The hemodialysis machine sampler is a dialysate sampling device for a hemodialysis machine, but the existing hemodialysis machine sampler has the following problems:

1. the sampling port of the hemodialysis machine is exposed outside and is easy to be polluted; the dialysis machine is only applicable to the composition sampling of dislysate from taking the sample connection, but to the sampling of bacterial count and endotoxin, must strict aseptic technique, avoids polluting, and the dislysate of sampling just can react the bacteriocin of dislysate and the true level of endotoxin like this, and the machine can't carry out effectual disinfection from taking the sample connection, can't satisfy the requirement of sampling.

2. The operation procedure is complicated, needs double cooperation, and is time-consuming and labor-consuming.

3. The treatment must be interrupted in the sampling process, which leads to the alarm of the dialysis machine; in some patients on heparin-free dialysis, or in a hypercoagulable state, they are prone to clotting.

Based on the above problem, the utility model provides a dislysate sampling device for hemodialysis machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dialysate sampling device for hemodialysis machine, which solves the problems that the sampling port of the existing hemodialysis machine is exposed outside and is easy to be polluted, the sampling port can not be effectively disinfected, and the sampling sample can not meet the requirement by arranging a hemodialysis tube, a three-way shunt, a first hose, a second hose, a one-way valve, the sampling port and a liquid cut-off switch; the dialysate sampling device has a complex operation procedure, and wastes time and labor; the sampling process must interrupt the treatment, posing a dangerous problem for the patient.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a dialysate sampling device for hemodialysis machine, which comprises a three-way diverter, wherein the three-way diverter is divided into a main through pipe and a side branch pipe; the diameter of the main through pipe is larger than that of the side branch pipe; the two ends of the hemodialysis pipe are connected with a main through pipe of the three-way shunt; one side branch pipe of the three-way flow divider is connected with a first hose; wherein the side branch pipe of the other three-way flow divider is connected with a second hose; the first hose is provided with a one-way valve; the second hose is provided with a liquid stopping switch; one end of the second hose is provided with a sampling port; the sampling port is matched with the pipe orifice of the first hose.

Furthermore, the hemodialysis pipe is connected with the main through pipe of the shunt in a plugging or threaded connection mode.

Further, the diameter of the main through pipe is in the range of 4.5-6 mm.

Further, the diameter of the main through pipe is 5.4 mm.

Further, the side branch has a tube diameter in the range of 1-3 mm.

Further, the side branch has a tube diameter of 1.9 mm.

Furthermore, the first hose, the second hose and a side branch pipe of the three-way flow divider are connected in an inserting mode.

Furthermore, the sampling port is connected with the pipe orifice of the first hose in a sleeving manner.

Further, the sampling port is also adapted with a syringe nipple.

The utility model discloses following beneficial effect has:

the utility model realizes the normal operation of the hemodialysis machine during sampling without influencing the treatment of the patient by controlling the liquid-stopping switch; the sampling is convenient, and the sampling can be easily carried out by a single person; and the sampling device can be automatically sterilized along with the device, the sterilization effect is better, and the sampling sample can reach the standard.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

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

Fig. 1 is a schematic structural diagram of a dialysate sampling device for a hemodialysis machine according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-hemodialysis tube, 2-three-way diverter, 3-first flexible tube, 4-second flexible tube, 5-one-way valve, 6-liquid cut-off switch, 7-sampling port, 201-main through tube, 202-side branch tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the utility model relates to a dialysate sampling device for hemodialysis machine, which comprises a three-way diverter 2, wherein the three-way diverter 2 is divided into a main pipe 201 and a side pipe 202; the diameter of the main through pipe 201 is 5.4 mm; the tube diameter of the side branch 202 is 1.9 mm; the diameter of the main through pipe 201 is larger than that of the side branch pipe 202; the hemodialysis system comprises a hemodialysis pipe 1, wherein two ends of the hemodialysis pipe 1 are connected with a main through pipe 201 of a three-way flow divider 2; the hemodialysis tube 1 and a main through tube 201 of the shunt are connected with a side branch tube 202 of one of the three-way shunts 2 and a first hose 3 in an inserting or threaded connection mode; wherein the side branch 202 of the other three-way diverter 2 is connected with the second hose 4; the first hose 3, the second hose 4 and the side branch 202 of the three-way flow divider 2 are connected in an inserting way; the first hose 3 is provided with a one-way valve 5; the second hose 4 is provided with a liquid stopping switch 6; one end of the second hose 4 is provided with a sampling port 7; the sampling port 7 is matched with the pipe orifice of the first hose 3; the sampling port 7 is connected with the pipe orifice of the first hose 3 in a sleeving manner; the sampling opening 7 is also adapted with a syringe nipple.

One specific application of this embodiment is:

the main through pipes 201 of the two three-way shunts 2 are respectively inserted at two ends of the hemodialysis pipe 1, and the first hose 3 is inserted on the side branch pipe 202 of one three-way shunt 2; the second hose 4 is inserted on the side branch pipe 202 of the other three-way flow divider 2; sleeving a sampling port 7 on the second hose 4 on the first hose 3;

during dialysis, the liquid-intercepting switch 6 is opened, and dialysate flows from the three-way diverter 2 connected with the second hose 4 to the three-way diverter 2 connected with the first hose 3;

during sampling, the liquid interception switch 6 is closed, and at the moment, the dialysate cannot flow to the first hose 3 from the second hose 4 on the side branch 202 of the three-way diverter 2, but the dialysate is unobstructed and not influenced on the main through pipe 201 on the three-way diverter 2, so that during sampling, treatment does not need to be interrupted, and the patient cannot be influenced; after the liquid-cutting switch 6 is closed, a small amount of dialysate is remained in the second hose 4, the sampling port 7 is taken down from the first hose 3, and the dialysate is extracted by a syringe, so that the sampling is completed. The first hose 3 is provided with the one-way valve 5, so that the reverse flow and the outward seepage of the dialysate are prevented when the sampling port 7 is disconnected;

after dialysis is finished, the sampling port 7 is sleeved on the first hose 3 again, and the sampling device automatically disinfects along with the hemodialysis machine, so that the disinfection effect is good, the dialysate is prevented from being polluted, and the sampling requirement can be met; and the sampling process is simple to operate and can be carried out by a single person, so that the labor and the time are saved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A dialysate sampling device for a hemodialysis machine,

the method is characterized in that: comprises that

The three-way flow divider (2) is divided into a main through pipe (201) and a side branch pipe (202); the diameter of the main through pipe (201) is larger than that of the side branch pipe (202);

the hemodialysis system comprises a hemodialysis pipe (1), wherein two ends of the hemodialysis pipe (1) are connected with a main through pipe (201) of a three-way flow divider (2);

one side branch (202) of the three-way flow divider (2) is connected with a first hose (3);

wherein the side branch pipe (202) of the other three-way flow divider (2) is connected with a second hose (4);

the first hose (3), the first hose (3) is provided with a one-way valve (5);

the second hose (4), there are liquid-stopping switches (6) on the said second hose (4); one end of the second hose (4) is provided with a sampling port (7); the sampling port (7) is matched with the pipe orifice of the first hose (3).

2. A dialysate sampling device for hemodialysis machine according to claim 1, wherein the hemodialysis tube (1) is connected with the main through tube (201) of the diverter by means of plugging or screw connection.

3. A dialysate sampling device for hemodialysis machine according to claim 1 or 2, wherein the tube diameter of the main tube (201) is in the range of 4.5-6 mm.

4. A dialysate sampling device for hemodialysis machine according to claim 3, wherein the main tube (201) has a tube diameter of 5.4 mm.

5. A dialysate sampling device for hemodialysis machine according to claim 3, wherein the side branch tube (202) has a tube diameter in the range of 1-3 mm.

6. The dialysate sampling device for a hemodialysis machine according to claim 5, wherein a tube diameter of the side branch tube (202) is 1.9 mm.

7. The dialysate sampling device according to claim 1, wherein the first and second hoses (3, 4) are connected to the side branch (202) of the three-way diverter (2) by plugging.

8. A dialysate sampling device for hemodialysis machine according to claim 3, wherein the sampling port (7) is connected with the mouth of the first hose (3) by means of a sleeve.

9. Dialysis fluid sampling device for hemodialysis machine according to claim 1 or 8, wherein the sampling port (7) is further adapted with a syringe nipple.