CN217366706U

CN217366706U - Dialysis circulating pipeline

Info

Publication number: CN217366706U
Application number: CN202220861363.4U
Authority: CN
Inventors: 王耀丽; 唐昊
Original assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Current assignee: Chinese Peoples Liberation Army Army Specialized Medical Center
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-09-06
Anticipated expiration: 2032-04-14

Abstract

The utility model relates to the technical field of medical equipment, and discloses a dialysis circulating pipeline, which comprises a circulating connecting pipe, wherein one end of the circulating connecting pipe is connected with an oxygenator, the other end of the circulating connecting pipe is connected with a power pump, one end of the oxygenator is provided with a second outlet pipe, one end of the second outlet pipe is connected with an intravascular cannula, one end of the intravascular cannula is externally provided with a speed limiting pipe, a honeycomb plate is arranged inside the speed limiting pipe, the honeycomb plate is vertically and equidistantly arranged inside the speed limiting pipe, the internal aperture size of the honeycomb plate gradually decreases from one end of the second outlet pipe, the speed limiting pipe is arranged at one end of the intravascular cannula, a plurality of honeycomb plates are equidistantly arranged inside the speed limiting pipe, the aperture size of the honeycomb plate gradually decreases layer by layer, and the blood flowing speed is reduced by reducing the cross section size of the pipeline, the discomfort of the patient caused by the too fast blood flow is avoided.

Description

Dialysis circulating pipeline

Technical Field

The utility model belongs to the technical field of medical instrument, concretely relates to dialysis circulating line.

Background

The core part of external membrane lung oxygenation is membrane lung and blood pump, can carry out long-time cardiopulmonary support to severe cardiopulmonary function failure patient, win the valuable time for the rescue of critical illness, and the dialysis tubing is connected oxygenator and power pump to make blood draw forth from the vein, through membrane lung oxygenation, discharge carbon dioxide, the blood of oxygenation can the feedback vein, also can the feedback artery, wholly is a major cycle.

The existing dialysis connecting pipeline is not provided with a supporting component, is inconvenient to limit and fix, and is easy to cause knotting and winding due to overlong pipeline, and the introduced pipeline cannot limit speed and has too fast blood flow velocity, so that a patient is easy to feel uncomfortable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dialysis circulating line to it is inconvenient spacing and fixed to propose the connecting tube in solving above-mentioned background art, and blood is when introducing, and the velocity of flow is too fast, leads to the patient to produce uncomfortable problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dialysis circulating pipe, includes the circulating connection pipe, the one end of circulating connection pipe is connected with the oxygenator, and the other end of circulating connection pipe is connected with the power pump, the second eduction tube is installed to the oxygenator, and the second eduction tube has the interior intubate of blood vessel through the speed limit union coupling, the inside of speed limit pipe is equipped with the honeycomb panel, and is a plurality of the honeycomb panel sets up in the inside of speed limit pipe along the axial, and the aperture size orientation of honeycomb panel keeps away from the direction successive layer of second eduction tube and subtracts progressively.

Preferably, the outer wall of circulating connection pipe is equipped with the bracket component, the bracket component is including top cap and heelpiece, the top cap is fixed to be set up on circulating connection pipe, and the bottom installs the connecting block, set up on the heelpiece with connecting block assorted spacing groove, and the bottom surface of heelpiece bonds and has the slipmat.

Preferably, a permeable membrane is arranged in the oxygenator, a first hose and a second hose which are respectively positioned on two sides of the permeable membrane are installed on the outer wall of the oxygenator, the first hose is connected with a circulating connection pipe, the second hose is connected with an air inlet pipe, the air inlet pipe is connected with a stirrer, and a guide pipe is installed at the top end of the stirrer.

Preferably, an air outlet pipe is arranged on one side, opposite to the air inlet pipe, of the outer wall of the oxygenator.

Preferably, a first delivery pipe is installed at the top end of the power pump, a first cavity is arranged in the oxygenator above the permeable membrane, and a second cavity is arranged below the permeable membrane.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses an install the speed limit pipe in the one end of intubate in the blood vessel, the inside equidistance of speed limit pipe is equipped with polylith honeycomb panel, and the aperture size successive layer of honeycomb panel steadilys decrease, through reducing pipeline cross sectional dimension, reduces blood flow speed, avoids blood to flow to bring the discomfort for the patient at the excessive speed.

(2) The utility model discloses an install the bracket component at the bottom equidistance of circulating connection pipe, the bracket component is including top cap and heelpiece, the connecting block of top cap bottom and the spacing groove block on the inside top of heelpiece for supporting component can dismantle, and the bracket component is in the time of improving circulating connection pipe height, and the slipmat can prevent effectively that circulating connection pipe from taking place phenomenons such as landing, and is spacing with circulating connection pipe, is difficult for phenomenons such as emergence offset.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the oxygenator of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is a side view of the circulation connection pipe of the present invention;

fig. 5 is an exploded view of the bracket assembly of the present invention;

in the figure: 1-a circulating connecting pipe; 2-a power pump; 3-a first delivery pipe; 4-intravascular intubation; 5-a second delivery pipe; 6-air outlet pipe; 7-an oxygenator; 71-a first cavity; 72-a second cavity; 73-a first hose; 74-a second hose; 8, an air inlet pipe; 9-a catheter; 10-a stirrer; 11-a permeable membrane; 12-a speed limiting pipe; 13-a honeycomb panel; 14-a bracket assembly; 141-a top cover; 142-a base pad; 15-connecting blocks; 16-a limiting groove; 17-non-slip mat.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides the following technical solutions: a dialysis circulating pipeline comprises a circulating connection pipe 1, wherein one end of the circulating connection pipe 1 is connected with an oxygenator 7, the other end of the circulating connection pipe 1 is connected with a power pump 2, the circulating connection pipe 1, the oxygenator 7 and the power pump 2 form an extracorporeal membrane lung oxygenation device, when the device is operated, blood is led out from veins, and the blood can be reinfused into the veins and arteries can be reinfused through membrane lung oxygenation to discharge carbon dioxide.

The second delivery pipe 5 is installed at one end of the oxygenator 7, the second delivery pipe 5 is connected with the intravascular cannula 4 through the speed limiting pipe 12, a honeycomb plate 13 is arranged inside the speed limiting pipe 12, the honeycomb plate 13 is axially arranged inside the speed limiting pipe 12, the inner aperture size of the honeycomb plate 13 gradually decreases towards the direction far away from the second delivery pipe 5 layer by layer, the power pump 2 is also called an artificial heart and mainly provides power to drive blood to flow in a pipeline in the circulating connection pipe 1, two types of power pumps, namely a rolling pump and a centrifugal pump, are clinically used mainly, and the first-aid centrifugal pump has the advantages of convenience in installation and movement, easiness in management and small blood damage. The oxygenator 7 is also called an artificial lung, the blood input by the first hose 73 is oxygenated, and the oxygenated arterial blood is output by the second branch pipe 5, and the oxygenator 7 in the market is divided into a silica gel membrane type and a hollow fiber type.

The circulation connecting pipe 1, the second delivery pipe 5 and the first delivery pipe 3 are made of medical materials, and the intravascular cannula 4 and the first delivery pipe 3 are made of thin pipes.

Further, outer wall bottom equidistance of circulating connection pipe 1 is equipped with bracket component 14, bracket component 14 is including top cap 141 and heelpiece 142, top cap 141 sets up on circulating connection pipe 1, and the bottom installs connecting block 15, heelpiece 142 seted up with connecting block 15 assorted spacing groove 16, heelpiece 142 locates top cap 141's below, and heelpiece 142's bottom surface bonds there is slipmat 17, slipmat 17's bottom surface is equipped with the antiskid structural layer in this embodiment, medical personnel will circulate connecting pipe 1 and put fixed back, circulating connection pipe 1 self can not remove, stability obtains improvement by a wide margin.

Further, the inside of oxygenator 7 is provided with infiltration film 11, and first hose 73 and second hose 74 that are located infiltration film 11 both sides respectively are installed to the outer wall of oxygenator 7, and first hose 73 is connected with circulation connecting pipe 1, and second hose 74 is connected with intake pipe 8, and intake pipe 8 and second hose 74 junction are equipped with the sealing washer, improve the seal of junction for the equipment pipeline forms closed circulation system. A stirrer 10 is installed at one end of the air inlet pipe 8, a guide pipe 9 is installed at the top end of the stirrer 10, the air inlet pipe 8 at one end of the stirrer 10 is connected with the oxygenator 7, and when oxygen in a patient is insufficient, oxygen can be infused through the stirrer 10, so that the oxygen concentration in the human body is improved.

Further, an air outlet pipe 6 is installed on one side, opposite to the air inlet pipe 8, of the outer wall of the oxygenator 7, the air outlet pipe 6 and the second delivery pipe 5 are located on two sides of the permeation film 11 respectively, the air outlet pipe 6 and the second hose 74 are located on one side of the permeation film 11, the first delivery pipe 3 is installed at the top end of the power pump 2, a first cavity 71 is formed in the oxygenator 7 and located above the permeation film 11, a second cavity 72 is formed below the permeation film 11, one ends of the second hose 74 and the air outlet pipe 6 extend into the first cavity 71, one ends of the first hose 73 and the second delivery pipe 5 extend into the second cavity 72, the first cavity 71 is mainly used for discharging carbon dioxide gas, and the second cavity 72 is used for oxygenating blood.

The venous blood of the body is introduced into the oxygenator 7, oxygenated by the permeation membrane 11 and carbon dioxide discharged, thereby turning into arterial blood, and then returned to the patient through the second delivery tube 5, thereby maintaining the normal supply of oxygenated blood to the organ tissues of the human body.

The utility model discloses a theory of operation and use flow: when the utility model is used, the intravascular cannula 4 is inserted into the human body, one end of the first delivery tube 3 is also inserted into the human body, venous blood of the human body is delivered out through the first delivery tube 3, then the venous blood is delivered into the oxygenator 7 through the circulating connecting tube 1 connected with one side of the power pump 2, the stirring machine 10 delivers oxygen into the oxygenator 7 through the air inlet tube 8, a small amount of carbon dioxide gas in the blood is discharged from the air outlet tube 6 through the permeable membrane 11, then the oxygen is mixed into the blood, the oxygenated blood is delivered from the second delivery tube 5 everywhere, the blood flow speed is reduced through the speed limiting tube 12, so that the blood is slowly delivered into the human body through the intravascular cannula 4, thereby maintaining the normal function of the human body,

because the bottom surface of circulation connecting pipe 1 is equipped with bracket component 14, medical personnel install base mat 142 in top cap 141 below, connecting block 15 and spacing groove 16 block, thereby because slipmat 17 can increase the friction between circulation connecting pipe 1 and the ground and improve circulation connecting pipe 1's stability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dialysis circulation line, comprising: including circulation connecting pipe (1), the one end of circulation connecting pipe (1) is connected with oxygenator (7), and the other end of circulation connecting pipe (1) is connected with power pump (2), second eduction tube (5) are installed in oxygenator (7), and second eduction tube (5) are connected with intravascular cannula (4) through speed-limiting pipe (12), the inside of speed-limiting pipe (12) is equipped with honeycomb panel (13), and is a plurality of honeycomb panel (13) are followed the inside of axial setting at speed-limiting pipe (12), and the aperture size orientation of honeycomb panel (13) is kept away from the direction successive layer of second eduction tube (5) and is decremented.

2. A dialysis circulation line according to claim 1, wherein: the outer wall of circulation connecting pipe (1) is equipped with bracket component (14), bracket component (14) are including top cap (141) and heelpiece (142), top cap (141) are fixed to be set up on circulation connecting pipe (1), and the bottom installs connecting block (15), seted up on heelpiece (142) with connecting block (15) assorted spacing groove (16), and the bottom surface of heelpiece (142) bonds and has slipmat (17).

3. A dialysis circulation line according to claim 1, wherein: a permeable membrane (11) is arranged in the oxygenator (7), a first hose (73) and a second hose (74) which are respectively positioned on two sides of the permeable membrane (11) are installed on the outer wall of the oxygenator (7), the first hose (73) is connected with the circulating connecting pipe (1), and the second hose (74) is connected with an air inlet pipe (8); the air inlet pipe (8) is connected with a stirrer (10), and a guide pipe (9) is installed at the top end of the stirrer (10).

4. A dialysis circulation line according to claim 3, wherein: an air outlet pipe (6) is arranged on one side, opposite to the air inlet pipe (8), of the outer wall of the oxygenator (7).

5. A dialysis circulation line according to claim 3, wherein: the top end of the power pump (2) is provided with a first delivery pipe (3), a first cavity (71) is arranged in the oxygenator (7) above the permeable membrane (11), and a second cavity (72) is arranged below the permeable membrane (11).