CN220404007U

CN220404007U - Pipeline connector

Info

Publication number: CN220404007U
Application number: CN202321516936.0U
Authority: CN
Inventors: 嵐山芮; 初晓庆; 邓刚
Original assignee: Zhejiang Lyukou Biotechnology Co ltd
Current assignee: Zhejiang Lyukou Biotechnology Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2024-01-30
Anticipated expiration: 2033-06-14

Abstract

The utility model belongs to the technical field of medical appliances, and discloses a pipeline connector. The connector comprises a first tube, a second tube and a filtering part, wherein one end of the first tube can be connected with the preparation bag; one end of the second tube can be connected with the blood collection bag; the filter unit comprises a filter cartridge and a filter screen arranged in the filter cartridge, wherein two ends of the filter cartridge are respectively connected with the other end of the first tube and the other end of the second tube, the first tube and the second tube are communicated through the filter cartridge, the filter screen is used for filtering clots in blood, so that the blood sequentially flows through the second tube, the filter unit and the first tube from the blood collection bag and enters the preparation bag. The utility model can effectively improve the preparation efficiency of the umbilical cord blood, completely filter the clot and improve the quality of the umbilical cord blood preparation.

Description

Pipeline connector

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a pipeline connector.

Background

In the traditional umbilical cord blood preparation, a blood sampling bag is connected with a preparation bag, and the umbilical cord blood is transferred into the preparation bag for centrifugal separation.

In the process of transferring the cord blood to the preparation bag, if the cord blood in the blood collection bag has a clot, the clot needs to be manually peeled off and left in the blood collection bag, so that normal blood is transferred to the preparation bag.

The manual clot stripping operation mode has extremely low efficiency, and meanwhile, incomplete clot stripping is easy to occur, so that partial clot enters the preparation bag, and the quality of umbilical cord blood preparation is affected.

Disclosure of Invention

The utility model aims to provide a pipeline connector, so that the preparation efficiency of umbilical cord blood is improved, a clot is completely filtered, and the preparation quality of umbilical cord blood is improved.

To achieve the purpose, the utility model adopts the following technical scheme:

a tubing connector connecting a preparation bag and a blood collection bag, comprising:

a first tube, one end of which can be connected to the preparation bag;

one end of the second tube can be connected with the blood collection bag;

the filter unit comprises a filter cartridge and a filter screen arranged in the filter cartridge, wherein two ends of the filter cartridge are respectively connected with the other end of the first tube and the other end of the second tube, the first tube and the second tube are communicated through the filter cartridge, and the filter screen is used for filtering clots in blood, so that the blood sequentially flows through the second tube, the filter unit and the first tube from the blood collection bag and enters the preparation bag.

As an alternative to a line connector, a blood stop clip is provided on the outer wall of the first tube and/or the second tube, which blood stop clip can press the first tube and/or the second tube for preventing blood flow in the first tube and/or the second tube.

As an alternative to the line connector, the line connector further comprises a first needle connected to one end of the first tube, the first needle being insertable into the opening of the preparation bag.

As an alternative to a line connector, the line connector further comprises a first protective cap which can be fitted over the first needle.

As an alternative to the line connector, the line connector further comprises a second needle, which is connected to one end of the second tube, and which can be plugged into the opening of the blood collection bag.

As an alternative to a line connector, the line connector further comprises a second protective cap, which can be sleeved on the second needle.

As an alternative of the pipeline connector, the filtering part further comprises a cylinder cover, the filter cylinder is connected with the cylinder cover, a through hole is formed in the cylinder cover, and the other end of the second pipe is communicated with the through hole.

As an alternative scheme of the pipeline connector, the filter screen is of a cylindrical structure, a sealing sleeve is arranged at one end, close to the second pipe, of the filter screen, and the sealing sleeve is tightly connected with the inner wall of the filter cylinder.

As an alternative scheme of the pipeline connector, a limiting protrusion is arranged on the inner wall of the filter cylinder, and the end face of the sealing sleeve can abut against the limiting protrusion, so that the filter screen is limited along the extending direction of the filter cylinder.

As an alternative to a line connector, the filter screen is made of an antimicrobial material.

The beneficial effects are that:

in the utility model, a preparation bag is connected with a first tube, a blood collection bag is connected with a second tube, a clot in blood is filtered through a filtering part between the first tube and the second tube, the blood sequentially flows through the second tube, the filtering part and the first tube from the blood collection bag and enters the preparation bag, the clot is remained in the filtering part, specifically, the clot is filtered through a filter screen by entering the blood into a filter cartridge through the first tube, the clean blood enters the second tube and finally enters the blood collection bag, and the blood collection bag is hermetically stored. The whole process avoids the manual clot stripping mode in the prior art, improves the preparation efficiency of the umbilical cord blood, filters the clot completely, and improves the quality of the umbilical cord blood preparation.

Drawings

Fig. 1 is a schematic structural view of a pipe connector according to an embodiment of the present utility model.

In the figure:

1. a first tube;

2. a second tube;

3. a filtering part; 31. a filter cartridge; 311. a limit protrusion; 32. a filter screen; 321. sealing sleeve; 33. a cylinder cover;

4. a blood stopping clamp;

5. a first needle;

6. a first protective cap;

7. a second needle;

8. and a second protective cap.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1, the present embodiment relates to a line connector (hereinafter, referred to as a "connector") for connecting a preparation bag and a blood collection bag, capable of transferring umbilical cord blood from the blood collection bag to the preparation bag, wherein the connector comprises a first tube 1, a second tube 2, and a filter part 3, one end of the first tube 1 being connectable to the preparation bag; one end of the second tube 2 can be connected with the blood collection bag; the filtering part 3 comprises a filter cylinder 31 and a filter screen 32 arranged in the filter cylinder 31, wherein two ends of the filter cylinder 31 are respectively connected with the other end of the first tube 1 and the other end of the second tube 2, the first tube 1 and the second tube 2 are communicated through the filter cylinder 31, the filter screen 32 is used for filtering clots in blood, and the blood flows through the second tube 2, the filtering part 3 and the first tube 1 from the blood collection bag in sequence and enters the preparation bag.

In this embodiment, the preparation bag is connected to the first tube 1, the blood sampling bag is connected to the second tube 2, the clot in the blood is filtered through the filter part 3 between the first tube 1 and the second tube 2, the blood is made to flow from the blood sampling bag through the second tube 2, the filter part 3 and the first tube 1 in sequence, and enter the preparation bag, the clot is left in the filter part 3, specifically, the blood enters the filter cartridge 31 through the second tube 2, the clot is filtered through the filter screen 32, the clot is in the filter cartridge 31, and the clean blood reenters the first tube 1 and finally enters the blood sampling bag for airtight preservation. The whole process avoids the manual clot stripping mode in the prior art, improves the preparation efficiency of the umbilical cord blood, filters the clot completely, and improves the quality of the umbilical cord blood preparation.

Optionally, a blood stop clip 4 is provided on the outer wall of the first tube 1 and/or the second tube 2, the blood stop clip 4 being capable of pressing the first tube 1 and/or the second tube 2 for preventing blood flow in the first tube 1 and/or the second tube 2.

Illustratively, a blood stopping clamp 4 is arranged on the outer wall of the first tube 1, and after the preparation bag is filled with clean blood, the first tube 1 can be clamped by the blood stopping clamp 4 to prevent the blood from being continuously conveyed backwards in the first tube 1, so that time for replacing a new preparation bag is provided for an operator; illustratively, a blood stop clip 4 is provided on the outer wall of the second tube 2, and after a substantial amount of clot has accumulated inside the filter cartridge 31, the second tube 2 may be clamped by the blood stop clip 4, preventing blood from continuing to be transported back within the second tube 2. Of course, the first tube 1 and the second tube 2 can be provided with the blood stop clamp 4, so that an operator can conveniently cope with the two conditions.

Optionally, the connector further comprises a first needle 5, the first needle 5 being connected to one end of the first tube 1, the first needle 5 being insertable into the opening of the preparation bag.

The first needle head 5 can be directly inserted into the opening of the preparation bag, so that the connection with the preparation bag can be facilitated, and the connection efficiency is improved.

Optionally, the connector further comprises a first protective cap 6, the first protective cap 6 being able to be fitted over the first needle 5. In order to prevent the sharp first needle 5 from being pricked by a false touch when the connector is in a non-working state, a first protective cap 6 can be sleeved on the first needle 5.

Optionally, the connector further comprises a second needle 7, the second needle 7 is connected with one end of the second tube 2, and the second needle 7 can be inserted into the opening of the blood sampling bag.

Similarly, can directly peg graft with the opening of blood bag that adopts through second syringe needle 7, can conveniently be connected with blood bag that adopts, promote connection efficiency.

Optionally, the connector further comprises a second protective cap 8, the second protective cap 8 being able to be fitted over the second needle 7. Similarly, in order to prevent the sharp second needle 7 from being pricked by a false touch when the present connector is in the inactive state, a second protective cap 8 may be fitted over the second needle 7.

Those skilled in the art will appreciate that the first needle 5 and the second needle 7 may be existing needles, and the specific structures of the first needle 5 and the second needle 7 will not be described again.

Optionally, the filtering part 3 further includes a cover 33, the filter cartridge 31 is connected to the cover 33, a through hole is formed in the cover 33, and the other end of the second tube 2 is communicated with the through hole. In this embodiment, in order to ensure a sterile environment inside the filter cartridge 31 and to ensure the quality of blood collection, the filter cartridge 31 is hermetically connected to the cartridge cover 33, preventing external bacteria or dust from entering the inside of the filter cartridge 31.

Optionally, the filter screen 32 has a cylindrical structure, and a sealing sleeve 321 is disposed at one end of the filter screen 32 near the second tube 2, and the sealing sleeve 321 is tightly connected with the inner wall of the filter cartridge 31. Through the cylindrical filter screen 32, the filtering area is greatly increased, and compared with the traditional single-sided filter screen, the cylindrical filter screen 32 is not easy to be blocked by clots, and when the bottom of the cylindrical filter screen 32 is blocked due to the accumulation of clots, clean blood can also pass through the side wall of the cylindrical filter screen 32, and filtering operation is continuously performed.

Optionally, a limiting protrusion 311 is disposed on an inner wall of the filter cartridge 31, and an end surface of the sealing sleeve 321 can abut against the limiting protrusion 311, so that the filter screen 32 is limited along an extending direction of the filter cartridge 31. In this embodiment, the limiting protrusion 311 is annularly disposed on the inner wall of the filter cartridge 31, and abuts against the limiting protrusion 311 through the end surface of the sealing sleeve 321, so that the filter screen 32 is conveniently and accurately limited along the extending direction of the filter cartridge 31 when being placed in the filter cartridge 31.

Optionally, the screen 32 is of an antimicrobial material. The filter screen 32 made of antibacterial material can effectively ensure the cleanness and quality of the filtered blood.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The pipeline connector connects preparation bag and blood sampling bag, its characterized in that includes:

a first tube (1), one end of which can be connected to the preparation bag;

a second tube (2) having one end connectable to the blood collection bag;

the filtering part (3), filtering part (3) include cartridge filter (31) and locate filter screen (32) in cartridge filter (31), the both ends of cartridge filter (31) respectively with the other end of first pipe (1) with the second pipe (2) other end is connected, first pipe (1) with second pipe (2) are passed through cartridge filter (31) and are linked together, filter screen (32) are arranged in filtering the clot in the blood, make blood follow blood sampling bag flows through in proper order second pipe (2) filter part (3) with first pipe (1), and get into preparation bag.

2. The line connector according to claim 1, characterized in that a blood stop clip (4) is provided on the outer wall of the first tube (1) and/or the second tube (2), which blood stop clip (4) can press the first tube (1) and/or the second tube (2) for preventing blood flow in the first tube (1) and/or the second tube (2).

3. The line connector according to claim 1, characterized in that it further comprises a first needle (5), said first needle (5) being connected to one end of the first tube (1), said first needle (5) being insertable into the opening of the preparation bag.

4. A line connector according to claim 3, characterized in that the line connector further comprises a first protective cap (6), which first protective cap (6) can be fitted over the first needle (5).

5. The line connector according to claim 1, characterized in that the line connector further comprises a second needle (7), the second needle (7) being connected to one end of the second tube (2), the second needle (7) being insertable into the opening of the blood collection bag.

6. The line connector according to claim 5, characterized in that it further comprises a second protective cap (8), said second protective cap (8) being able to be fitted over said second needle (7).

7. The pipeline connector according to claim 1, wherein the filtering part (3) further comprises a cylinder cover (33), the filter cylinder (31) is connected with the cylinder cover (33), a through hole is formed in the cylinder cover (33), and the other end of the second pipe (2) is communicated with the through hole.

8. The pipeline connector according to claim 1, wherein the filter screen (32) has a cylindrical structure, a sealing sleeve (321) is arranged at one end of the filter screen (32) close to the second pipe (2), and the sealing sleeve (321) is tightly connected with the inner wall of the filter cartridge (31).

9. The pipe connector according to claim 8, characterized in that the inner wall of the filter cartridge (31) is provided with a limit protrusion (311), and the end surface of the sealing sleeve (321) can abut against the limit protrusion (311) so that the filter screen (32) is limited in the extending direction along the filter cartridge (31).

10. A line connector according to any one of claims 1-9, characterized in that the filter screen (32) is of an antibacterial material.