CN215275979U

CN215275979U - Medical instrument filter equipment

Info

Publication number: CN215275979U
Application number: CN202121461041.2U
Authority: CN
Inventors: 王云燕
Original assignee: Chengdu Yifu Biotechnology Co ltd
Current assignee: Chengdu Yifu Biotechnology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-24
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a medical instrument filter equipment, including the filter tube, be provided with filter and lower filter in the filter tube, the upper and lower both ends of filter tube are provided with the shrink end of a round platform form respectively, the one end that the filter tube was kept away from to the shrink end is provided with the connecting pipe, the grafting cooperation has the bayonet joint on the connecting pipe, the bayonet joint includes grafting section and grafting section down, go up the grafting section and be provided with the spacer ring down between the grafting section. The utility model discloses the commonality is strong, convenient to use, and the filter effect is good, and the security is high.

Description

Medical instrument filter equipment

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a medical appliance filtering device.

Background

The intravenous infusion is always the most effective way for clinically rescuing critical patients and treating various diseases, and the medicine is directly injected into blood, so that the medicine effect can be exerted at the highest speed, however, particles which are generated in the infusion process and exceed the standard are always a difficult problem which troubles medical care personnel and infusion apparatus manufacturers. Therefore, in order to prevent particles exceeding the standard from entering the human body, a filter device needs to be added to the infusion set. Most of the existing infusion devices are provided with additional filtering devices which need to be customized due to higher cost. Therefore, a general-purpose type filter device is required to reduce the use cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a medical instrument filter equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a medical instrument filter equipment, includes the filter tube, be provided with filter and lower filter in the filter tube, the upper and lower both ends of filter tube are provided with the shrink end of a round platform form respectively, the one end that the filter tube was kept away from to the shrink end is provided with the connecting pipe, peg graft the cooperation on the connecting pipe and have the bayonet joint, the bayonet joint includes grafting section and grafting section down, it is provided with the spacer ring to go up between grafting section and the grafting section down.

Preferably, the upper filter plate and the lower filter plate comprise a bottom plate, and a polytetrafluoroethylene filter membrane is bonded on the upper end face of the bottom plate.

Preferably, a group of square through holes are uniformly distributed on the bottom plate.

Preferably, a group of resistance-increasing rings are arranged on the circumferential outer walls of the upper insertion section and the lower insertion section.

Preferably, the port parts of the upper insertion section and the lower insertion section are provided with circular truncated cone-shaped contraction openings.

Preferably, the filter pipe and the plug connector are both made of TPE materials.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can be directly matched with the prior transfusion device to be practical without specially customizing the transfusion device. The upper end pipeline of the existing infusion apparatus is cut off, the connecting pipes at the upper end and the lower end of the filter pipe are connected with the ports of the two cut-off side pipelines through the connecting plugs, the upper insertion section is in insertion fit with the connecting pipes, the lower insertion section is in insertion fit with the ports of the two cut-off side pipelines, and the separating ring is used for separating the upper insertion section from the lower insertion section. The polytetrafluoroethylene filter membrane is used for filtering particles, and the bottom plate is used for supporting the polytetrafluoroethylene filter membrane. The resistance-increasing ring improves the connection strength during plugging. The TPE material security is higher. The utility model discloses the commonality is strong, convenient to use, and the filter effect is good, and the security is high.

Drawings

FIG. 1 is a schematic diagram of the internal structure of a medical device filter;

FIG. 2 is an enlarged view of a portion of FIG. 1 at K;

FIG. 3 is an enlarged view of a portion of FIG. 1 at L;

fig. 4 is an external view of a medical device filter apparatus.

In the figure: 1-filter tube, 2-contraction end, 3-connecting tube, 4-plug connector, 5-upper filter plate, 6-lower filter plate, 7-polytetrafluoroethylene filter membrane, 8-bottom plate, 9-through hole, 10-upper plug section, 11-lower plug section, 12-contraction opening, 13-resistance-increasing ring and 14-separating ring.

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 work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution:

the utility model provides a medical instrument filter equipment, includes filter tube 1, be provided with filter 5 and lower filter 6 in the filter tube 1, the upper and lower both ends of filter tube 1 are provided with the shrink end 2 of a round platform form respectively, the one end that filter tube 1 was kept away from to shrink end 2 is provided with connecting pipe 3, the grafting cooperation has bayonet joint 4 on the connecting pipe 3, bayonet joint 4 includes grafting section 10 and lower grafting section 11, it is provided with spacer ring 14 to go up between grafting section 10 and the lower grafting section 11.

The utility model can be directly matched with the prior transfusion device to be practical without specially customizing the transfusion device. The upper end pipeline of the existing infusion apparatus is cut off, the connecting pipes 3 at the upper end and the lower end of the filter pipe 1 are connected with the ports of the two cut-off side pipelines through the connecting plugs 4, the upper inserting section 10 is in inserting fit with the connecting pipes 3, the lower inserting section 11 is in inserting fit with the ports of the two cut-off side pipelines, and the separating ring 14 is used for separating the upper inserting section 10 and the lower inserting section 11.

Preferably, the upper filter plate 5 and the lower filter plate 6 comprise a bottom plate 8, and a teflon filter membrane 7 is adhered to the upper end surface of the bottom plate 8.

The polytetrafluoroethylene filter membrane 7 is used for filtering particles, and the bottom plate 8 is used for supporting the polytetrafluoroethylene filter membrane 7.

Preferably, a group of square through holes 9 are uniformly distributed on the bottom plate 8.

The through-hole 9 is for the liquid to flow through.

Preferably, a set of resistance-increasing rings 13 are arranged on the circumferential outer wall of the upper plug section 10 and the lower plug section 11.

The resistance-increasing ring 13 improves the connection strength during plugging.

Preferably, the port of the upper insertion section 10 and the port of the lower insertion section 11 are provided with a circular truncated cone-shaped contraction port 12.

The contraction port 12 facilitates insertion of the insertion end into the pipe during insertion.

Preferably, the filter tube 1 and the plug 4 are both made of TPE.

The TPE material security is higher.

The utility model discloses a theory of operation is: the utility model can be directly matched with the prior transfusion device to be practical without specially customizing the transfusion device. The upper end pipeline of the existing infusion apparatus is cut off, the connecting pipes 3 at the upper end and the lower end of the filter pipe 1 are connected with the ports of the two cut-off side pipelines through the connecting plugs 4, the upper inserting section 10 is in inserting fit with the connecting pipes 3, the lower inserting section 11 is in inserting fit with the ports of the two cut-off side pipelines, and the separating ring 14 is used for separating the upper inserting section 10 and the lower inserting section 11. The polytetrafluoroethylene filter membrane 7 is used for filtering particles, and the bottom plate 8 is used for supporting the polytetrafluoroethylene filter membrane 7. The through-hole 9 is for the liquid to flow through. The resistance-increasing ring 13 improves the connection strength during plugging. The contraction port 12 facilitates insertion of the insertion end into the pipe during insertion. The TPE material security is higher.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A medical instrument filter device, comprising a filter tube (1), characterized in that: be provided with in filter tube (1) filter (5) and filter (6) down, the upper and lower both ends of filter tube (1) are provided with shrink end (2) of a round platform form respectively, the one end that filter tube (1) was kept away from in shrink end (2) is provided with connecting pipe (3), grafting cooperation has bayonet joint (4) on connecting pipe (3), bayonet joint (4) are including grafting section (10) and lower grafting section (11), it is provided with between grafting section (10) and lower grafting section (11) to go up spacing ring (14).

2. The medical device filter arrangement of claim 1, wherein: go up filter (5) and filter (6) down including bottom plate (8), it has polytetrafluoroethylene filtration membrane (7) to bond on the up end of bottom plate (8).

3. The medical device filter arrangement of claim 2, wherein: a group of square through holes (9) are uniformly distributed on the bottom plate (8).

4. The medical device filter arrangement of claim 3, wherein: and a group of resistance-increasing rings (13) are arranged on the circumferential outer walls of the upper insertion section (10) and the lower insertion section (11).

5. The medical device filter arrangement of claim 4, wherein: the port parts of the upper insertion section (10) and the lower insertion section (11) are provided with a cone-shaped contraction port (12).

6. The medical device filter arrangement of claim 5, wherein: the filter pipe (1) and the plug connector (4) are both made of TPE materials.