CN218420538U

CN218420538U - Bedside hemodialysis pipeline extension pipe

Info

Publication number: CN218420538U
Application number: CN202221101522.7U
Authority: CN
Inventors: 范春光; 陈朝明; 杨秀梅; 白云芬; 李爱; 孙瑞; 罗瑞琪; 张敏
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2023-02-03
Anticipated expiration: 2032-05-09

Abstract

The utility model relates to a bedside hemodialysis pipeline extension tube, which comprises a main tube, a side tube fixedly connected with the main tube, a first connecting part arranged at one end of the main tube, a second connecting part arranged at the other end of the main tube, and a sample sampling room arranged on the main tube and close to the second connecting part, wherein a main tube pipeline clamping device is arranged between the connecting part of the side tube and the main tube and the sample sampling room, a third connecting part is arranged at one end of the side tube far away from the main tube, and a side pipeline clamping device is arranged on the side tube; the side pipe is designed to realize the dynamic switching between citric acid anticoagulation and common anticoagulation, and the medical cost is saved.

Description

Bedside hemodialysis pipeline extension pipe

Technical Field

The utility model relates to the field of medical equipment, especially, relate to a bedside hemodialysis pipeline extension pipe.

Background

With the continuous development of medical technology, bedside hemodialysis becomes an important treatment technology for saving the life of a patient and improving the life quality of the patient, whether bedside hemodialysis treatment can achieve the treatment purpose of a clinician and guarantee the life safety of the patient mainly lies in the evaluation of anticoagulation effect and the monitoring in treatment, the bedside hemodialysis anticoagulation technology is divided into local anticoagulation and systemic anticoagulation, the currently used bedside hemodialysis pipelines are divided into expensive citric acid anticoagulation pipelines and relatively moderate ordinary pipelines, and the citric acid anticoagulation pipeline and the general pipelines cannot be used in a replacement mode. The anticoagulation mode meeting the disease treatment requirement cannot be dynamically adjusted according to the disease condition change of the patient in the bedside hemodialysis treatment process, and if the anticoagulation mode is to be dynamically adjusted according to the disease condition of the patient, the bedside hemodialysis pipeline must be replaced, so that the economic burden of the patient is increased, and the waste of medical resources is also caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bedside hemodialysis pipeline extension pipe to solve the technical problem who realizes the unable direct switch of ordinary anticoagulation and citric acid anticoagulation.

In order to achieve the above object, the utility model discloses a concrete technical scheme of other hemodialysis pipeline extension pipe of bed as follows:

the utility model provides a bedside hemodialysis pipeline extension tube, including being responsible for, with be responsible for fixedly connected with side pipe, set up in be responsible for the first connecting portion of one end, set up in be responsible for the second connecting portion of the other end, set up in be close to in being responsible for between the sample sampling of second connecting portion, the side pipe with be responsible for the junction with still be provided with between the sample sampling and be responsible for pipeline clamping and close ware, the side pipe keep away from with the one end of being responsible for is provided with third connecting portion, its characterized in that: and a side pipeline clamping device is also arranged on the side pipe.

Furthermore, first connecting portion sealing connection hemodialysis pipeline artery and vein end is realized through setting up external screw thread and external pipeline sealing connection.

Furthermore, the second connecting part is hermetically connected with the central venous catheter for hemodialysis and is realized by arranging internal threads and hermetically connecting an external pipeline.

Further, the third connecting part is connected with the citric acid pumping conduit in a sealing mode.

Still further, the citric acid is pumped into the main tube through the side tube.

Further, the connection angle between the main pipe and the side pipe is a right angle.

Further, the side tube clamp is used for controlling the time and the amount of citric acid pumped into the main tube.

Further, the sample sampling room is used for sampling and analyzing blood which is not anticoagulated by anticoagulant.

Furthermore, the main pipe is a hollow circular pipe which is made of transparent materials and has a smooth inner wall.

Furthermore, a sealing protection cover movably connected is arranged on the third connecting part.

The utility model discloses a bedside hemodialysis pipeline extension pipe has following advantage:

1: the main tube is composed of a transparent hollow tube with a smooth inner wall, and the blood flow state can be observed visually, conveniently and quickly.

2: the blood sample collection device has the advantages that the blood sample collection device is arranged between the sampling of the threaded interface sample of the main pipe close to the inner side of the spiral groove, blood samples can be collected at the first time when blood is led out of the body, accurate monitoring is achieved, and powerful support is provided for accurate bedside hemodialysis treatment.

3: the citrate anticoagulation and the ordinary anticoagulation can be dynamically switched by arranging the side pipe on the main pipe.

4: through setting up the pipeline clamping device on the side pipe, can mend corresponding anticoagulant according to different anticoagulation modes, make the external blood of drainage very first time obtain abundant anticoagulation.

5: through setting up the sample between sampling and the great distance between the side pipe, avoid the anticoagulant to the influence through the blood sample of sample sampling window collection.

Drawings

Fig. 1 is a schematic view of the structure of a bedside hemodialysis tube extension tube of the present invention;

FIG. 2 is a schematic view of a first connection structure;

FIG. 3 is a schematic view of a second connecting portion;

FIG. 4 is a schematic view of a third connecting portion;

the notation in the figure is: 1. a main pipe; 2. a first connection portion; 3. a second connecting part 4 and a sample sampling room; 5. a side tube; 6. a side tube clamp; 7. a third connecting portion; 8. a main pipe clipping device; 10. sealing the protective cover; 12. an internally threaded bushing.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

As shown in figure 1, the utility model discloses a bedside hemodialysis pipeline extension tube, during mainly used hemodialysis treatment, clinically use with devices such as cerini dialyser cerini, dialysis pipeline and bedside hemodialysis machine together. Hemodialysis is a type of blood purification technique that involves passing the patient's blood through a membrane (or tube, medically known as a dialysis membrane) having many small pores that allow the passage of molecules smaller than the pores, while preventing the passage of molecules larger than the membrane pores, based on the principle of membrane equilibrium. During dialysis, the solute moves in the direction from the high concentration side to the low concentration side along the concentration gradient, and the water moves in the direction from the low concentration side to the high concentration side, so that the blood and the dialysate are exchanged with each other in the dialyzer. During dialysis, the blood of a patient flows in one direction through the hollow fibers formed by the dialysis membrane, and the dialysate flows in the opposite direction outside the hollow fibers. Large particle substances such as red blood cells, white blood cells and proteins in blood cannot enter the dialysate through the dialysis membrane, but water, electrolytes and metabolic wastes in the blood, such as urea, creatinine, guanidines, acid radicals and excessive small molecular substances such as electrolytes, can diffuse into the dialysate through the dialysis membrane; substances in the dialysate such as bicarbonate, acetate, glucose and the like can also be dispersed into blood, and the dialysis can achieve the purposes of removing harmful substances such as metabolic waste in the body and supplementing required substances in the body.

The blood flow monitoring device comprises a main pipe 1, wherein the main pipe 1 can use a transparent hollow pipe with a smooth inner wall, so that the blood flow state can be observed visually, conveniently and quickly in the treatment process. Set up in be responsible for the first connecting portion 2 of 1 one end, first connecting portion pass through the sealing connection mode, are connected with the dialysis tubing, and first connecting portion can set up to the connecting portion that have the external screw thread structure. The second connection part 3, which is arranged at the other end of the main tube 1, can be arranged in a sealing connection, in particular preferably in a threaded connection, with a central venous line for hemodialysis. Set up in be close to on being responsible for 1 4 between the sample sampling of second connecting portion 3, through setting up the sample sampling window apart from a side pipe certain position distance, can draw forth external very first time collection blood specimen at blood, accomplish accurate monitoring, provide powerful support for accurate bedside hemodialysis treatment.

The side tube 5 with be responsible for 1 junction with still be provided with between the sample sampling room 4 and be responsible for the pipeline clipping ware 8, through setting up the pipeline clipping ware control duct switching on being responsible for, ensure patient's safety.

The lateral pipe 5 is kept away from the one end of being responsible for 1 is provided with third connecting portion 7, and the external anticoagulant pump of third connecting portion goes into the interface, can pump into the anticoagulant to the lateral pipe, through the control of lateral pipe clamping closure ware to enter into and be responsible for. Still be provided with side pipe pipeline clipping device 6 on the side pipe 5, side pipe clipping device is in when using non-citric acid anticoagulation, is pressing from both sides tight closed condition, when needs switch over into citric acid anticoagulant, then adjusts side pipe clipping device to open mode, makes the anticoagulant pass through the side pipe and get into in being responsible for.

The first connecting part 2 is connected with the arteriovenous end of the hemodialysis pipeline in a sealing way and is realized by arranging an external thread and being connected with an external pipeline in a sealing way. In the production process, the size of the first connecting part thread can be produced by matching the size matched with an external port, and meanwhile, the fixing device can be additionally arranged at the connecting part, so that the pipeline is fixed, and the whole treatment process is not influenced.

The central venous catheter of the line hemodialysis of 3 sealing connection of second connecting portion relies on intraductal internal thread of cover and external pipeline sealing connection to realize through setting up female threaded sleeve 12, and is the same with above-mentioned principle, in process of production, can match with external port complex size production second connecting portion screw thread size, can select to install fixing device additional in the junction simultaneously to guarantee that the pipeline is fixed, do not influence whole treatment process.

The third connecting portion 7 is connected with a citric acid pump-in catheter in a sealing mode, in the treatment process, when citric acid needs to be pumped in the completely sealed state, the protective cover of the third connecting portion is opened, and connection can be achieved.

The citric acid is pumped into the main pipe 1 through the side pipe 5, one end of the side pipe is fixedly connected with the main pipe, and the anticoagulant can move to the main pipe through the side pipe when the side pipe clamping device is in an opening and closing state under the pressure of the pressure pump.

The connection angle between the main pipe 1 and the side pipe 5 is a right angle, and other connection modes can be selected between the two, and the vertical mode is preferably designed to be a vertical angle because the anticoagulant has the minimum resistance when entering the main pipe through the measuring pipe.

The side tube clipping device 6 is used for controlling the time and the amount of citric acid pumped into the main tube 1, and when anticoagulant is pumped into or stopped, on one hand, the side tube clipping device is operated according to the outside of the third connecting part, and on the other hand, the side tube clipping device is required to be matched for use.

Sample sampling room 4 is used for carrying out the sample analysis to the anticoagulated blood of not anticoagulant, can draw forth external very first time collection blood sample at blood, accomplishes accurate monitoring, provides powerful support for accurate bedside hemodialysis treatment.

The main tube 1 is a hollow round tube made of transparent material and having a smooth inner wall, and the hemodialysis pipeline is a transparent hollow tube, so that the hemodialysis pipeline has a wide application range in the field and is not described more.

Be provided with swing joint's sealed safety cover on the third connecting portion 7, the effect of safety cover is for preventing the pollution, when need not pump into the anticoagulant, and the safety cover is in the closed condition.

When the device is used, sterile physiological saline is used for pre-filling the bedside hemodialysis pipeline extension pipe, after the pre-filling is finished, the bedside hemodialysis pipeline extension pipe confirms that no air bubbles exist, the main pipe pipeline clamping device 8 and the side pipe pipeline clamping device 6 are clamped, the threaded interface of the second connecting part 3 on the main pipe is connected with a central venous catheter of a patient for hemodialysis, the threaded interface of the first connecting part 2 on the main pipe is connected with the bedside hemodialysis pipeline, the inlet of an anticoagulant pump is connected with the third connecting part 7, and after the connection is confirmed to be correct again, the main pipe pipeline clamping device 8 and the side pipe pipeline clamping device 6 are opened to start bedside hemodialysis treatment.

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. The utility model provides a bedside hemodialysis pipeline extension tube, including being responsible for (1), with be responsible for (1) fixedly connected with side pipe (5), set up in be responsible for first connecting portion (2) of (1) one end, set up in be responsible for second connecting portion (3) of (1) the other end, set up in be close to on being responsible for (1) be close to between the sample sampling of second connecting portion (3) (4), side pipe (5) with be responsible for (1) junction with still be provided with between the sample sampling between (4) and be responsible for pipeline clamping closure ware (8), keep away from side pipe (5) the one end of being responsible for (1) is provided with third connecting portion (7), its characterized in that: and a side pipe pipeline clamping device (6) is also arranged on the side pipe (5).

2. The bedside hemodialysis line extension tube of claim 1, wherein: first connecting portion (2) sealing connection hemodialysis pipeline artery and vein end is realized through setting up external screw thread and external pipeline sealing connection.

3. The bedside hemodialysis line extension tube of claim 1, wherein: the second connecting part (3) is connected with a central venous catheter for hemodialysis in a sealing way and is realized by arranging internal threads and connecting the internal threads with an external pipeline in a sealing way.

4. The bedside hemodialysis line extension tube of claim 1, wherein: the third connecting part (7) is hermetically connected with a citric acid pumping-in conduit.

5. The bedside hemodialysis line extension tube of claim 4, wherein: the citric acid is pumped into the main pipe (1) through the side pipe (5).

6. The bedside hemodialysis line extension tube of claim 1, wherein: the connecting angle between the main pipe (1) and the side pipe (5) is a right angle.

7. The bedside hemodialysis line extension tube of claim 1, wherein: the side pipe pipeline clamping device (6) is used for controlling the time and the amount of citric acid pumped into the main pipe (1).

8. The bedside hemodialysis line extension tube of claim 1, wherein: the sample sampling room (4) is used for sampling and analyzing blood which is not anticoagulated by anticoagulant.

9. The bedside hemodialysis line extension tube of claim 1, wherein: the main pipe (1) is a hollow round pipe which is made of transparent materials and has a smooth inner wall.

10. The bedside hemodialysis line extension tube of claim 1, wherein: and a sealing protection cover (10) movably connected is arranged on the third connecting part (7).