CN209827748U

CN209827748U - Circulating pipeline assembly for blood purification treatment

Info

Publication number: CN209827748U
Application number: CN201920606387.3U
Authority: CN
Inventors: 张永萍; 黄海荣; 陈林; 张延云
Original assignee: First Peoples Hospital of Lianyungang
Current assignee: First Peoples Hospital of Lianyungang
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2019-12-24
Anticipated expiration: 2029-04-29

Abstract

The utility model provides a circulation pipeline subassembly for blood purification treatment for connect blood purification treatment device and disease, a circulation pipeline subassembly for blood purification treatment includes the first pipeline that links to each other with the disease and the second pipeline that links to each other with blood purification treatment device, be close to on the first pipeline the one end of second pipeline is equipped with first connecting portion, be close to on the second pipeline the one end of first pipeline is equipped with the second connecting portion, the utility model discloses a circulation pipeline subassembly for blood purification treatment, first pipeline and second tube coupling are simple, break away from the difficulty, can prevent that the disease maloperation from dragging and make the disconnection of tube coupling department, the risk of blood vessel disjointing when reducing blood purification.

Description

Circulating pipeline assembly for blood purification treatment

Technical Field

The utility model relates to a circulation pipeline subassembly for blood purification treatment.

Background

The existing medical pipeline comprises two parts, wherein one part is a puncture needle or an indwelling needle and is connected with a patient, the other part is connected with a blood purification treatment device, and the two parts are required to be connected when in use. The existing pipeline is connected through threads, but because the pipeline material is softer, the problem of disconnection of pipeline connection caused by mistaken touch of a patient often occurs. If an arterial line is connected, a very serious medical accident may occur.

In view of the above, there is a need for an improved circulation line assembly for blood purification treatment to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circulation pipeline subassembly for blood purification treatment to solve current pipeline subassembly and touch the problem that leads to the disconnect-connection easily because of the disease mistake.

In order to achieve the above object, the present invention provides a circulation line assembly for blood purification treatment, for connecting a blood purification treatment device with a patient, the circulation line assembly for blood purification treatment comprising a first line connected with the patient and a second line connected with the blood purification treatment device, wherein a first connection portion is provided at one end of the first line close to the second line, and a second connection portion is provided at one end of the second line close to the first line, the first connection portion comprises a first wall body protruding radially outward from an end of the first line, a second wall body extending in a direction away from the second line from a top end of the first wall body, and a third wall body extending radially inward from one end of the second wall body away from the second line, the third wall body being spaced apart from the first line, the second wall body and the third wall body enclose to form a clamping part, the second connecting part comprises a buckling part, the buckling part comprises a fourth wall body extending along the radial direction of the second pipeline, a fifth wall body connected with the fourth wall body and a sixth wall body connected with the fifth wall body, and the sixth wall body and the third wall body are buckled to connect the first pipeline and the second pipeline.

As a further improvement of the present invention, the second connecting portion includes a seventh wall body extending in the first pipeline direction, the seventh wall body being made of an elastic material.

As a further improvement of the present invention, the second connecting portion further includes a connecting plate sleeved on the second pipeline, the connecting plate is connected to the seventh wall body, and the fourth wall body is connected to one end of the seventh wall body.

As a further improvement of the present invention, a supporting member is disposed on the second pipeline, and the supporting member is disposed on one side of the connecting plate close to the first pipeline.

As a further improvement of the present invention, the second pipeline includes a second portion located at a position where the blocking member is close to the first pipeline and away from the second pipeline, and the first portion faces the diameter of the first pipeline and gradually decreases.

As a further improvement of the present invention, the length of the sixth wall is smaller than half of the diameter of the first pipeline.

As a further improvement of the present invention, the number of the clasping portions is at least two.

As a further improvement of the utility model, at least two the buckling parts are arranged at intervals.

As a further improvement of the present invention, the second wall body is provided with a first guide portion.

As a further improvement of the present invention, a second guiding portion is provided on the fifth wall body.

The utility model has the advantages that: the utility model discloses a circulation pipeline subassembly for blood purification treatment, first pipeline and second tube coupling are simple, break away from the difficulty, can prevent that the disease mistake from dragging the disconnection of messenger's tube coupling department, and the risk of blood vessel disjointing when reducing blood purification.

Drawings

FIG. 1 is a schematic structural view of a circulation line assembly for blood purification treatment according to the present invention;

FIG. 2 is a schematic view of the first piping structure of FIG. 1;

FIG. 3 is a schematic diagram of the second circuit of FIG. 1;

FIG. 4 is an enlarged schematic view of region A of FIG. 2;

fig. 5 is an enlarged structural view of a region B in fig. 3.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1 to 5, a circulation line assembly 100 for blood purification treatment for connecting a blood purification treatment apparatus and a patient includes a first line 1 connected to the patient and a second line 2 connected to the blood purification treatment apparatus. The first pipeline 1 is any one of disposable arteriovenous internal fistula puncture needles suitable for blood purification treatment disclosed in the prior art, and comprises a needle head, a needle tube and the like. The second line 2 is an arterial extracorporeal circulation line or a venous extracorporeal circulation line connected to a blood purification treatment device of any of the prior art. The blood purification treatment device mentioned in the present embodiment includes, but is not limited to, a hemodialyzer, a hemofilter, and a dialyzer.

The first pipeline 1 is close to one end of the second pipeline 2 is provided with a first connecting part 11, the first connecting part 11 comprises a first wall body 111 protruding outwards from the end part of the first pipeline 1 along the radial direction, a second wall body 112 extending from the top end of the first wall body 111 towards the direction far away from the second pipeline 2, and a third wall body 113 extending inwards from the second wall body 112 along the radial direction at one end of the second pipeline 2, a first guiding part 114 is arranged on the second wall body 112, the third wall body 113 is arranged at an interval with the first pipeline 1, and a clamping part 115 is formed by the second wall body 112 and the third wall body 113 in a surrounding mode.

The second pipeline 2 is provided with a stopper 22 and a second connecting portion 21, the stopper 22 is used for stopping the second connecting portion 21, and the second connecting portion 21 is prevented from being separated from the second pipeline 2. The second pipeline 2 comprises a first part 23 positioned at the stop 22 and close to the first pipeline 1 and a second part 24 positioned at a distance from the second pipeline 2, the diameter of the first part 23 gradually decreases towards the first pipeline 1, the diameter of the first part 23 close to the first pipeline 1 is smaller than that of the first pipeline 1, and the diameter of the second part 24 close to the first pipeline 1 is larger than that of the first pipeline 1, so that the first part 23 can be partially inserted into the first pipeline 1.

The second connecting portion 21 includes a latching portion 211, a seventh wall 216, and a connecting plate 217. The connecting plate 217 is sleeved on the second pipeline 2, and abuts against the stopper 22 when the first connecting portion 11 and the second connecting portion 21 are buckled. The fastening portion 211 includes a fourth wall 212 extending along the radial direction of the second pipeline 2, a fifth wall 213 connected to the fourth wall 212, and a sixth wall 214 connected to the fifth wall 213, and the sixth wall 214 is fastened to the third wall 113 to connect the first pipeline 1 and the second pipeline 2. The seventh wall 216 extends from the top end of the fourth wall 212 towards the direction away from the first pipeline 1, and the seventh wall 216 is made of an elastic material. The connecting plate 217 is connected to an end of the seventh wall 216 remote from the fourth wall 212.

The stop member 22 is disposed on one side of the connecting plate 217 close to the first pipeline 1, when the retaining portion 115 and the retaining portion 211 are engaged, the stop member 22 is spaced from the connecting plate 217 by a certain distance, and the first portion 23 is inserted into the first pipeline 1 and is tightly engaged therewith.

The number of the fastening portions 211 is at least two, and at least two fastening portions 211 are arranged at intervals and surround the seventh wall body 216. In this embodiment, the number of the fastening portions 211 is two, and the two fastening portions 211 are disposed oppositely.

The length of the sixth wall 214 is less than half the diameter of the first pipe 1. When the first pipeline 1 and the second pipeline 2 need to be separated, the seventh wall body 216 is pressed inward, the seventh wall body 216 drives the retaining part 211 to compress the first pipeline 1, and then the second connecting part 21 is pushed towards the direction of the first pipeline 1, so that the retaining part 115 and the retaining part 211 are separated from each other. The seventh wall 216 is then pulled outwardly to disengage the first and second connectors 11, 21.

The fifth wall 213 is provided with a second guiding portion 215, and the second guiding portion 215 is used for matching with the first guiding portion 114 when the first connecting portion 11 and the second connecting portion 21 are matched, so as to reduce the matching difficulty.

The utility model discloses a circulation pipeline subassembly 100 for blood purification treatment, first pipeline 1 and second pipeline 2 are connected simply, break away from the difficulty, can prevent that disease maloperation from dragging messenger's tube coupling department disconnection, and the risk that the pipeline takes off the festival when reducing blood purification.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A circulation pipeline assembly for blood purification treatment is used for connecting a blood purification treatment device and a patient, and is characterized in that: a circulation pipeline subassembly for blood purification treatment includes the first pipeline that links to each other with the disease and the second pipeline that links to each other with blood purification treatment device, be close to on the first pipeline the one end of second pipeline is equipped with first connecting portion, be close to on the second pipeline the one end of first pipeline is equipped with the second connecting portion, first connecting portion include from the tip of first pipeline along the first wall body of radially stretching outwards, keep away from the top orientation of first wall body the second wall body that the direction of second pipeline extends, and keep away from the second wall body the third wall body of one end of second pipeline along radially inwards extending, the third wall body with first pipeline interval sets up, second wall body and third wall body enclose to establish and form the card portion of holding, the second connecting portion includes the portion of holding, the portion of holding includes along the radial fourth wall body of second pipeline radial extension, The third wall body is connected with the fourth wall body, and the sixth wall body is connected with the fifth wall body and is buckled with the third wall body to connect the first pipeline and the second pipeline.

2. A circulation line assembly for use in a blood purification process according to claim 1, wherein: the second connecting portion comprises a seventh wall body extending from the top end of the fourth wall body towards the direction far away from the first pipeline, and the seventh wall body is made of an elastic material.

3. A circulation line assembly for use in a blood purification process according to claim 2, wherein: the second connecting part further comprises a connecting plate sleeved on the second pipeline, and the connecting plate is connected with one end, far away from the fourth wall body, of the seventh wall body.

4. A circulation line assembly for use in a blood purification process according to claim 3, wherein: the second pipeline is provided with a stop piece, and the stop piece is arranged on one side of the connecting plate close to the first pipeline.

5. The circulation line assembly for blood purification process according to claim 4, wherein: the second pipeline comprises a first part and a second part, the first part is located on the resisting part and close to the first pipeline, the second part is located on the second pipeline and far away from the second pipeline, and the diameter of the first part gradually decreases towards the first pipeline.

6. A circulation line assembly for use in a blood purification process according to claim 1, wherein: the length of the sixth wall is less than half of the diameter of the first pipeline.

7. A circulation line assembly for use in a blood purification process according to claim 1, wherein: the number of the buckling parts is at least two.

8. A circulation line assembly for use in a blood purification process as recited in claim 7, wherein: at least two of the buckling parts are arranged at intervals.

9. A circulation line assembly for use in a blood purification process according to claim 1, wherein: and a first guide part is arranged on the second wall body.

10. A circulation line assembly for use in a blood purification process according to claim 1, wherein: and a second guide part is arranged on the fifth wall body.