CN211535896U - Combined artificial kidney pipeline - Google Patents

Abstract

The utility model discloses a combined artificial kidney pipeline, including blood return artery pipeline, perfusion ware, cerini dialyser cerini and blood return vein pipeline, the upper end and the blood bypass cross section of cerini dialyser cerini are connected through the tee bend component, the lower extreme of perfusion ware is gone into the artery pipeline through the bi-pass component, the tee bend component is including corresponding valve body and interior connection seat, the valve that is equipped with 3 openings. The utility model relates to a combined artificial kidney pipeline sets up two-way component and tee bend component respectively through simultaneously at perfusion ware rear end and front end, can carry out quick dismantlement with perfusion body coupling's pipeline and change, thereby reduce the risk nature of blood purification treatment, secondly, set up the parallelly connected blood bypass of cooperation tee bend component and perfusion ware and use, with the valve on the rotatory tee bend component, make tee bend component and with perfusion ware pipeline fast switch-over to tee bend component and blood bypass intercommunication, easy operation is quick, the security is higher.

Description

Combined artificial kidney pipeline

Technical Field

The utility model relates to a combined artificial kidney pipeline.

Background

The combined artificial kidney and the connecting pipe thereof are a blood purification device for Hemodialysis (HD) and Hemoperfusion (HP), fully utilize the advantages of a hemoperfusion device and a hemodialyzer, have the advantages of good biocompatibility, less adverse reaction, short blood purification time and the like, and can comprehensively remove various toxins in patients with uremia and the like.

The nurse is at the in-process of dismantling the perfusion ware, need break off blood return circuit, carries out a series of troublesome operations such as dismantlement, short circuit, and this has increased nurse's work load clinically. Moreover, if the nurse has improper operation during the clinical operation, the blood of the patient may be lost, and the life of the patient may be damaged.

Secondly, the blood loop pipe is not smooth or the blood flow velocity is too slow, so that the blood coagulation of the perfusion device is very easy to cause, the quick disassembly, replacement and use of the perfusion device have very high requirements on the operation capability of the examination nurse, and the potential safety hazard is caused by easy error.

In order to solve the problems, the scheme is developed accordingly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to overcome prior art not enough, provide a combined artifical kidney pipeline, through the improvement to the pipeline for the perfusion ware can dismantle the change fast, and operates more conveniently in the artifical kidney use, and the potential safety hazard is low.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a combined artificial kidney pipeline comprises a blood loop artery pipeline, an infusion device, a dialyzer and a blood loop vein pipeline, wherein the upper end of the dialyzer is communicated with the lower end of the blood loop artery pipeline, the upper end of the infusion device is communicated with the lower end of the dialyzer, the lower end of the dialyzer is communicated with the rear end of the blood loop vein pipeline, the infusion device and the two ends of the dialyzer are connected in parallel to form a blood bypass, the intersection of the upper end of the dialyzer and the blood bypass is connected through a three-way component, the lower end of the infusion device is connected into the artery pipeline through the two-way component, the three-way component comprises a valve body correspondingly provided with 3 through openings, an inner connecting seat and a valve, the valve body is connected with three external connecting pipes, the connecting end of the external connecting pipes connected into the valve body is provided with a clamping groove, the inner connecting seat is aligned with the through openings of the valve body and, the two-way component comprises a valve body and an inner connecting seat, wherein the valve body is provided with 2 through openings, and the valve body is sealed through a clamping cover.

Preferably, the inner joint seat is annular, is equipped with the notch at its corresponding through-hole department, the notch is located the outer fringe of inner joint seat, and link up the outer fringe of inner joint seat from top to bottom, but the groove holding is outer to take over, and is equipped with the fixture block in its two inner walls departments, can vertically block the draw-in groove that goes into on the outer takeover.

Preferably, the valve comprises a valve core and a sealing cover, a cavity is arranged in the middle of the inner connecting seat, the valve core can be contained in the cavity and flexibly rotates, and two through holes are formed in the valve core and can be respectively communicated with two through holes of the inner connecting seat and pass through a rotary switching pipeline.

Preferably, still be equipped with miniature stirring rake in the internal joint seat, miniature stirring rake passes through pivot and closing cap pin joint, the closing cap is run through and a rotating head is connected with to the outer end of pivot.

(III) advantageous effects

After the technical scheme is adopted, compared with the prior art, the utility model, possess following advantage: the utility model relates to a combined artificial kidney pipeline for can appear the blood coagulation phenomenon in avoiding the perfusion ware use, leads to the perfusion ware to block up unable use, through setting up two-way component and tee bend component respectively at perfusion ware rear end and front end simultaneously, can carry out the pipeline of perfusion body coupling and dismantle the change fast to reduce the risk of blood purification treatment. Secondly, the blood bypass which is matched with the three-way component and the perfusion apparatus in parallel is arranged for use, so that the valve on the three-way component is rotated, the three-way component and the perfusion apparatus pipeline are quickly switched to be communicated with the blood bypass, the operation is simple and quick, and the safety is higher.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is an exploded view of the structure of the middle three-way member of the present invention;

FIG. 3 is a schematic view of the assembly of the structure of the middle three-way member of the present invention;

FIG. 4 is a schematic view of the connection between the inner socket structure and the outer tube of the present invention;

fig. 5 is a schematic structural view of the middle two-way member of the present invention.

In the figure: the blood perfusion device comprises a blood loop arterial pipeline 1, a perfusion device 2, a dialyzer 3, a blood loop venous pipeline 4, a three-way component 5, a valve body 51, an inner connecting seat 52, a valve 53, a valve core 531, a 532 sealing cover, a two-way component 6, an outer connecting pipe 7, a clamping groove 8, a port 9, a clamping cover 10, a notch 11, a clamping block 12, a cavity 13, a micro stirring paddle 14, a rotating shaft 15, a rotating head 16 and a blood bypass 17.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

As shown in fig. 1-5: the utility model provides a combined artificial kidney pipeline, includes blood return circuit artery pipeline 1, perfusion apparatus 2, cerini dialyser cerini 3 and blood return circuit vein pipeline 4, and the upper end of cerini dialyser cerini 3 is linked together with the lower extreme of blood return circuit artery pipeline 1, and the upper end of perfusion apparatus 2 is linked together with the lower extreme of cerini dialyser cerini 3, and the lower extreme of cerini dialyser cerini 3 is linked together with the rear end of blood return circuit vein pipeline 4, and perfusion apparatus 2 and the both ends of cerini dialyser cerini 3 are parallelly connected to have a blood bypass 17.

The intersection of the upper end of dialyzer 3 and blood bypass 17 is connected by three-way member 5, and the lower end of perfusion apparatus 2 is connected to arterial line 4 by two-way member 6. The three-way component 5 comprises a valve body 51 and an inner connecting seat 52 which are correspondingly provided with 3 through holes 9, and a valve 53, wherein the valve body 51 is connected with three outer connecting pipes 7, the connecting end of the outer connecting pipe 7 connected into the valve body 51 is provided with a clamping groove 8, the inner connecting seat 52 is aligned with the through holes 9 of the valve body 51 and can fix the outer connecting pipe 7 after being inserted, the valve 53 is provided with two through holes 9 and can correspondingly switch the two through holes 9 on the communicating valve body 51, the two-way component 6 comprises the valve body 51 and the inner connecting seat 52 which are provided with 2 through holes 9, and the valve body 51 is.

Because the coagulation phenomenon can appear in the use of perfusion ware 2, lead to perfusion ware 2 to block up unable use, this scheme sets up bi-pass component 6 and tee bend component 5 respectively at perfusion ware 2 rear end and front end simultaneously, can dismantle the change fast with the perfusion body, reduces the risk of blood purification treatment.

The valve 53 includes a valve core 531 and a cover 532, the middle portion of the inner socket 52 is provided with a cavity 14, the valve core 531 can be accommodated in the cavity 14 and flexibly rotate, the valve core 531 is provided with two through holes 9, which can be respectively communicated with two through holes 9 of the inner socket 52 and switch the pipeline through rotation.

The sealing caps 532 and the clamping caps 10 respectively arranged on the three-way component 5 and the two-way component 6 mainly play a role in clamping and sealing with the valve body 51, wherein the clamping is sealed in a way of thread fit, clamping and fastening of internal and external threads and the like, and detailed description is omitted in the scheme.

Therefore, the three-way component 5 and the blood bypass connected with the perfusion apparatus 2 in parallel are arranged, and the valve 53 on the three-way component 5 is rotated, so that the three-way component 5 and the perfusion apparatus 2 pipeline are quickly switched to the three-way component 5 to be communicated with the blood bypass, the operation is simple, and the safety is higher.

The inner connecting seat 52 is annular, a notch 11 is arranged at the corresponding through opening 9, the notch 11 is positioned at the outer edge of the inner connecting seat 52 and vertically penetrates through the outer edge of the inner connecting seat 52, the groove can contain the outer connecting pipe 7, and the clamping blocks 13 are arranged at two inner walls of the groove and can be vertically clamped into the clamping grooves 8 on the outer connecting pipe 7.

It should be noted that before the internal joint seat 52 is clamped into the valve body 51, the external connection is required to extend slightly inwards, so that the external connection pipe 7 can be clamped in the clamping groove 8 at the connecting end of the external connection pipe just after the internal joint seat 52 is clamped, the connecting pipe is quickly fixed, the internal joint seat 52 is upwards moved out of the valve body 51 during disassembly, the disassembly can be realized, the use is convenient and quick, and the operation is time-saving.

The external connection pipe 7 is a pipeline for connecting equipment such as the blood loop venous pipeline 4, the blood loop arterial pipeline 1 and the like.

The inner connecting seat 52 is further provided with a micro stirring paddle 14, the micro stirring paddle 14 is pivotally connected with the sealing cover 532 through a rotating shaft 15, and the outer end of the rotating shaft 15 penetrates through the sealing cover 532 and is connected with a rotating head. The micro paddles 14 are provided to substantially break down clots that may have coagulated in the internal socket 52 to avoid clogging.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and the protection scope must be determined by the scope of the claims.

Claims (4)

1. The utility model provides a combined artificial kidney pipeline, includes blood return circuit artery pipeline, perfusion ware, cerini dialyser cerini and blood return circuit vein pipeline, the upper end and the lower extreme of blood return circuit artery pipeline of cerini dialyser cerini are linked together, and the upper end of perfusion ware is linked together with the lower extreme of cerini dialyser cerini, and the lower extreme of cerini dialyser cerini communicates with the rear end of blood return circuit vein pipeline mutually, and perfusion ware has a blood bypass, its characterized in that with the both ends of cerini dialyser cerini in parallel connection: the upper end and the blood bypass cross section of cerini dialyser cerini are connected through the tee bend component, the lower extreme of perfusion ware is passed through the two-way component and is gone into the artery pipeline, the tee bend component is including corresponding valve body and the internal connection seat, the valve that are equipped with 3 openings, be connected with three external pipe on the valve body, go into the valve body the link of external pipe is equipped with the draw-in groove, the internal connection seat is aimed at and can fix external pipe after inserting with the opening of valve body, the valve is equipped with two openings, can correspond and switch two of them openings on the intercommunication valve body, the two-way component is including the valve body and the internal connection seat that are equipped with 2 openings, and the valve body passes.

2. The combination artificial kidney pipeline of claim 1, wherein: the inner joint seat is annular, a notch is arranged at the corresponding through hole, the notch is positioned at the outer edge of the inner joint seat and vertically penetrates through the outer edge of the inner joint seat, the groove can contain an outer connecting pipe, clamping blocks are arranged at two inner walls of the groove, and the clamping grooves in the outer connecting pipe can be vertically clamped.

3. The combination artificial kidney pipeline of claim 1, wherein: the valve comprises a valve core and a sealing cover, wherein a cavity is arranged in the middle of the inner connecting seat, the valve core can be contained in the cavity and flexibly rotates, and two through holes are formed in the valve core and can be respectively communicated with two of the through holes of the inner connecting seat and a rotary switching pipeline is arranged on the valve core.

4. The combination artificial kidney pipeline of claim 2, wherein: still be equipped with miniature stirring rake in the inner joint seat, miniature stirring rake passes through pivot and closing cap pin joint, the outer end of pivot runs through the closing cap and is connected with a rotating head.

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