CN210813489U

CN210813489U - Tee joint with filtering capability

Info

Publication number: CN210813489U
Application number: CN201921392686.8U
Authority: CN
Inventors: 崔美琦; 潘彦
Original assignee: General Hospital of Chinese PLA Hainan Branch
Current assignee: General Hospital of Chinese PLA Hainan Branch
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-06-23
Anticipated expiration: 2029-08-26

Abstract

The utility model relates to the technical field of infusion connectors, and discloses a three-way connector with a filtering function, which solves the problems that the liquid medicine flowing through the three-way connector cannot be filtered in the using process of the common three-way connector, and the insoluble particles in the liquid medicine easily enter the human body and are harmful to the human body; the utility model discloses, the cooperation through the first joint that sets up, second joint and filter equipment etc. is used, can improve liquid medicine filtration rate, and the mesh size of two filter membranes is different simultaneously, and the liquid medicine is earlier through one of them filter membrane that the size is great, to the great insoluble particle interception of granule, then through the less filter membrane of size, at this moment to the less insoluble particle interception of granule to can filter the liquid medicine of difference, the filter effect is better.

Description

Tee joint with filtering capability

Technical Field

The utility model belongs to the technical field of the infusion connects, specifically be a tee joint with filtering capability.

Background

Clinically, need long-term infusion medicine, or when infusing some special kinds of medicine, all need use the transfusion system that has accurate liquid medicine filter, if get into human blood circulation system, cause phlebitis, local red swelling, venous embolism easily when insoluble particle that produces when the liquid medicine is compatible, the piece that produces when puncturing the infusion bottle, some remaining tiny particles of transfusion system itself etc. can lead to shock etc. in serious time, especially severe patient, the liquid medicine need be followed the great vein mouth and is inputed, the tee bend need be used to carry the liquid medicine during the period.

However, in the use process of the general three-way joint, the liquid medicine flowing through the three-way joint cannot be filtered, and insoluble particles in the liquid medicine easily enter the human body, so that the three-way joint is harmful to the human body.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a tee bend connects with filtering capability, the effectual general tee bend that has solved is at the in-process that uses, can not filter its inside liquid medicine that flows, makes the inside insoluble particle of liquid medicine enter into human inside easily, the problem harmful to the human body.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tee bend connects with filtering capability, includes the tee bend main part, three end department of tee bend main part is fixedly connected with first joint, second joint and third joint respectively, the inside fixed mounting of tee bend main part has the filter, annular groove has all been seted up to two wherein ends of filter, filter equipment is all installed to the inside of two annular grooves, filter equipment includes first sealing washer, the ring, second sealing washer and filter membrane, filter membrane fixed mounting is in the middle part of ring, first sealing washer, ring and second sealing washer are all installed in annular groove's inside, and the ring is arranged in between first sealing washer and the second sealing washer.

Preferably, an annular sealing body is further mounted inside each annular groove, and the annular sealing bodies are in threaded connection with the annular grooves.

Preferably, the mesh size of the filter membrane inside said filter device at the top end is smaller than the filter membrane inside the filter device at the bottom end.

Preferably, the shape of the filter membrane is a cloth bag type.

Preferably, the size of the second connector is matched with the size of a single vena cava in a human body.

Preferably, an annular bulge is fixedly installed on the outer portion of the third joint, and a sealing sleeve is sleeved on the outer portion of the annular bulge.

Compared with the prior art, the beneficial effects of the utility model are that: in the work, first joint through setting up, the cooperation of second joint and filter equipment etc. is used, can filter the insoluble particle in the liquid medicine through the inside filter membrane of two filter equipment, because two filter membranes all adopt the pocket type, can improve the liquid medicine filtration rate, the mesh size of two filter membranes is different simultaneously, the liquid medicine passes through one of them filter membrane that the size is great earlier, the insoluble particle interception great to the granule, then pass through the filter membrane that the size is less, at this moment, the insoluble particle interception less to the granule, thereby can filter the liquid medicine of difference, the filter effect is better.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the filter of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;

in the figure: 1. a tee main body; 2. a first joint; 3. a second joint; 4. a third joint; 5. a filter; 6. an annular groove; 7. a first seal ring; 8. a circular ring; 9. a second seal ring; 10. an annular seal body; 11. filtering the membrane; 12. a filtration device; 13. an annular protrusion.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-4, the present invention comprises a tee body 1, wherein three ends of the tee body 1 are respectively and fixedly connected with a first joint 2, a second joint 3 and a third joint 4 for facilitating connection with other components, a filter 5 is fixedly installed inside the tee body 1, and is capable of filtering insoluble particles in drugs, two ends of the filter 5 are respectively provided with an annular groove 6, a filtering device 12 is installed inside each of the two annular grooves 6, the filtering device 12 comprises a first sealing ring 7, a ring 8, a second sealing ring 9 and a filtering membrane 11, the filtering membrane 11 is fixedly installed in the middle of the ring 8, the first sealing ring 7, the ring 8 and the second sealing ring 9 are all installed inside the annular groove 6, and the ring 8 is arranged between the first sealing ring 7 and the second sealing ring 9, so that a good sealing effect can be achieved.

In the second embodiment, on the basis of the first embodiment, an annular sealing body 10 is further installed inside each annular groove 6, and the annular sealing body 10 is in threaded connection with the annular groove 6, so that the filtering device 12 is conveniently fixed.

In the third embodiment, on the basis of the first embodiment, the mesh size of the filter membrane 11 inside the filter device 12 at the top end is smaller than that of the filter membrane 11 inside the filter device 12 at the bottom end, so that the layering process can be performed, and the filtering effect is improved.

In the fourth embodiment, the filter membrane 11 is formed in a bag shape in addition to the first embodiment, so that the contact area between the chemical solution and the filter membrane 11 can be increased, thereby increasing the filtration rate.

In the fifth embodiment, on the basis of the first embodiment, the size of the second connector 3 is matched with that of a single-cavity large vein inside a human body, so that the second connector is conveniently connected with the vein of the human body.

Sixth embodiment, on the basis of the first embodiment, an annular protrusion 13 is fixedly installed on the outside of the third joint 4, and a sealing sleeve is sleeved on the outside of the annular protrusion 13, so that the third joint 4 can be sealed.

The working principle is as follows: during operation, with the fixed intercommunication of the infusion end of first joint 2 of tee bend main part 1 through pipe and external micropump, with the fixed intercommunication of second joint 3 through pipe and human single chamber vena cava, at this moment third joint 4 is in encapsulated situation, then use the micropump to carry the liquid medicine, filter the insoluble particle in the liquid medicine through two inside filter membrane 11 of filter equipment 12, because two filter membrane 11 all adopt the pocket type, can improve and filter the liquid medicine filtration rate, simultaneously two filter membrane 11's mesh size is different, the liquid medicine passes through one of them filter membrane 11 that the size is great earlier, intercept the great insoluble particle of granule, then pass through the less filter membrane 11 of size, at this moment intercept the less insoluble particle of granule, thereby can filter different liquid medicines, the filter effect is better.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a three way connection with filtering capability, includes tee bend main part (1), its characterized in that: three end department of tee bend main part (1) is fixedly connected with first joint (2) respectively, second joint (3) and third joint (4), the inside fixed mounting of tee bend main part (1) has filter (5), annular groove (6) have all been seted up at two wherein ends in filter (5), filter equipment (12) are all installed to the inside of two annular groove (6), filter equipment (12) include first sealing washer (7), ring (8), second sealing washer (9) and filter membrane (11), filter membrane (11) fixed mounting is in the middle part of ring (8), first sealing washer (7), ring (8) and second sealing washer (9) are all installed in the inside of annular groove (6), and ring (8) are arranged in between first sealing washer (7) and second sealing washer (9).

2. The tee joint with filtering capability of claim 1, wherein: and each annular groove (6) is internally provided with an annular sealing body (10), and the annular sealing bodies (10) are in threaded connection with the annular grooves (6).

3. The tee joint with filtering capability of claim 1, wherein: the mesh size of the filter membrane (11) inside the filter device (12) at the top end is smaller than the mesh size of the filter membrane (11) inside the filter device (12) at the bottom end.

4. The tee joint with filtering capability of claim 1, wherein: the shape of the filter membrane (11) is a cloth bag type.

5. The tee joint with filtering capability of claim 1, wherein: the size of the second joint (3) is matched with the size of a single-cavity large vein in the human body.

6. The tee joint with filtering capability of claim 1, wherein: the outside fixed mounting of third joint (4) has annular arch (13), and the seal cover has been cup jointed to the outside of annular arch (13).