CN210543740U

CN210543740U - Perfusion device filtering piece packaging structure

Info

Publication number: CN210543740U
Application number: CN201921175515.XU
Authority: CN
Inventors: 杨正根; 牛月伟; 安洪涛; 王升升; 陈校园
Original assignee: Guangzhou Kangsheng Biotechnology Co Ltd
Current assignee: Guangzhou Kangsheng Biotechnology Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-05-19
Anticipated expiration: 2029-07-24

Abstract

The utility model relates to the technical field of medical equipment, a perfusion ware filters piece packaging structure is disclosed, the both ends opening part of the jar body is equipped with the closing cap respectively with sealed perfusion ware, filter the direct lower extreme that sets up at the closing cap, the adsorbent is filled between two filtration pieces, the closing cap is connected in the step groove of jar body changeover portion, the closing cap plays the supporting role to filtering the piece on the one hand, on the other hand will filter piece and jar body coupling through the closing cap and fix, it is firm to guarantee to filter the connection between the jar body of piece and perfusion ware, avoid filtering and take place not hard up and influence the normal use of perfusion ware between the jar body and the closing cap or jar body.

Description

Perfusion device filtering piece packaging structure

Technical Field

The utility model relates to the technical field of medical equipment, especially relate to a perfusion ware filters piece packaging structure.

Background

The hemoperfusion apparatus is mainly used for molecular toxin adsorption in acute and chronic drug poisoning and uremia, and adsorption of pathogenic factors in the fields of liver diseases and immunity. At present, the main application modes of the device are a separate blood perfusion mode, a blood dialysis and blood perfusion combined mode and a plasma separation and adsorption mode.

The jar of the ware that irritates is filled with the adsorbent, be equipped with at the both ends opening part of the jar body and filter the piece, filter the liquid that flows from adsorbing the chamber, traditional perfusion ware is in high-pressure steam sterilization in-process, because the rising of temperature and pressure, tiny deformation can take place for the perfusion ware to lead to filtering piece emergence not hard up in the ware that irritates, and then make the seepage of liquid in the ware even adsorbent that irritates, easily make the perfusion ware infect fungus, produce serious medical accident.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a perfusion ware filters piece packaging structure guarantees to filter the piece and stabilizes with being connected between the jar body of perfusion ware, avoids filtering the piece emergence not hard up.

In order to solve the problem, the utility model provides a perfusion ware filters piece packaging structure, including the jar body, closing cap and the filtration piece that have the absorption chamber, the both ends of the jar body be equipped with the opening of absorption chamber intercommunication, the jar body including adsorb the section, locate adsorb the linkage segment at section both ends and be located adsorb the section with changeover portion between the linkage segment, the changeover portion along adsorb the section extremely the direction its internal diameter of linkage segment grow gradually, all be equipped with the step groove on the inner wall of changeover portion, the closing cap connect in be used for sealing in the step groove the opening of the jar body, filter and locate the lower extreme of closing cap, two it has the adsorbent to fill between the filtration piece.

Further preferably, the filter element is bonded or clamped with the cover.

Further preferably, the adsorbent is granular, and the diameter of the mesh of the filter screen is smaller than that of the granular adsorbent.

Further preferably, a sealing member is disposed between the cover and the stepped groove.

Further preferably, the closing cap includes a body portion, an edge of the body portion extends outwards to form an abutting portion, a connecting portion is arranged at the lower end of the body portion, a connecting column is convexly arranged at the upper end of the body portion, a blood nozzle hole communicated with the adsorption cavity is arranged in the connecting column, the lower end of the abutting portion abuts against the sealing member, and the filter member is arranged at the lower end of the connecting portion.

Further preferably, the abutting portion is protrudingly disposed along the upper end of the body portion and connected to the body portion by an arc-shaped transition portion.

Further preferably, the seal is a sealing ring.

The utility model provides a perfusion ware filters piece packaging structure, the both ends opening part of the jar body is equipped with the closing cap respectively and flows the ware with sealed perfusion, filter the direct lower extreme that sets up at the closing cap of piece, the adsorbent is filled between two filtration pieces, the closing cap is connected in the step groove of jar body changeover portion, the closing cap side plays the supporting role to filtering the piece, on the other hand will filter piece and jar body coupling through the closing cap and fix, it is firm to guarantee to filter the connection between the jar body of piece and perfusion ware, avoid filtering and take place not hard up and influence the normal use that flows the ware between the piece and the closing cap or jar body.

Drawings

Fig. 1 is a schematic structural view of an irrigation device with a screw cap according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an perfusion apparatus without a screw cap in an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structural view of a cartridge filter package according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a sealing cover in an embodiment of the present invention.

In the figure, 100, a tank body; 200. sealing the cover; 300. a filter member; 400. a seal member; 500. screwing a cover; 101. an adsorption chamber; 102. an adsorption section; 103. a transition section; 104. a connecting section; 105. a step groove; 201. a body portion; 202. an abutting portion; 203. a connecting portion; 204. connecting columns; 205. a blood nozzle hole; 206. an arc-shaped transition portion.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

With reference to fig. 1-4, schematically showing the utility model discloses a perfusion device filters piece packaging structure, including the jar body 100 that has adsorption cavity 101, closing cap 200 and filter piece 300, adsorption cavity 101 is used for filling the adsorbent, the both ends of jar body 100 are equipped with the opening that communicates with adsorption cavity 101, jar body 100 includes adsorption section 102, locate the linkage segment 104 at adsorption section 102 both ends and be located the changeover portion 103 between adsorption section 102 and the linkage segment 104, changeover portion 103 enlarges along its internal diameter of adsorption section 102 to the direction of linkage segment 104 gradually, all be equipped with step groove 105 on the inner wall of changeover portion 103, closing cap 200 connects the opening that is used for sealed jar body 100 in step groove 105, filter piece 300 locates the lower extreme of closing cap 200, it has the adsorbent to fill between two filter pieces 300.

In this embodiment, two end openings of the tank 100 are respectively provided with a sealing cap 200 to seal the opening of the perfusion apparatus, the filter 300 is directly disposed at the lower end of the sealing cap 200, the adsorbent is filled between the two filter 300, the sealing cap 200 is connected to the step groove 105 of the transition section 103 of the tank 100, the sealing cap 200 plays a role in supporting the filter 300 on one hand, and on the other hand, the filter 300 is connected and fixed with the tank 100 through the sealing cap 200, so as to ensure the connection between the filter 300 and the tank 100 of the perfusion apparatus to be stable, and avoid the influence on the normal use of the perfusion apparatus caused by the looseness between the filter 300 and the sealing cap 200 or the tank 100 during the. Meanwhile, the transition section 103 has an inner diameter that gradually increases along the direction from the suction section 102 to the connection section 104, thereby ensuring that the sealing cap 200 connected in the stepped groove 105 can effectively seal the opening of the can body 100.

Preferably, filter 300 and closing cap 200 between bonding or joint to it is fixed to be connected between 300 with the closing cap 200, and filter 300 can be directly the filter screen, and further, the adsorbent is graininess, and the mesh diameter of filter screen is less than the diameter of graininess adsorbent, avoids the adsorbent to spill over from the mesh of filter screen and cause medical accident.

Further, a sealing member 400 is disposed between the cover 200 and the stepped groove 105, so as to better ensure the sealing performance between the cover 200 and the can body 100, generally, the sealing member 400 is a sealing ring, the sealing ring can be made of silica gel, the sealing performance is good, and preferably, the sealing member 400 can be provided with a protruding portion protruding along the circumferential direction of the can body 100, and the protruding portion abuts against the inner circumferential wall of the suction section 102 of the can body 100.

In this embodiment, the sealing cap 200 includes a main body 201, an edge of the main body 201 extends outward to form an abutting portion 202, the abutting portion 202 is used for abutting and fixing the sealing cap 200 on the adsorption section 102 of the cartridge 100, so as to seal the opening of the adsorption chamber 101 of the sealing cap 200, in this embodiment, since the inner diameter of the adsorption section 102 gradually increases along the direction from the adsorption section 102 to the connection section 104, the sealing cap 200 can better seal the opening of the adsorption chamber 101, so as to avoid the leakage of liquid and even adsorbent in the cartridge, the lower end of the main body 201 is provided with a connection portion 203, the connection portion 203 circumferentially abuts against the inner peripheral wall of the sealing member 400, so as to circumferentially abut and press the sealing member 400, the upper end of the main body 201 is convexly provided with a connection column 204, the connection column 204 is provided with a blood nozzle hole 205 communicated with the adsorption chamber 101, the blood nozzle hole 205 is connected with a blood transmission pipeline to communicate with the adsorption chamber, the lower end of the abutting portion 202 abuts against the sealing member 400, the filter 300 is disposed at the lower end of the connecting portion 203, and a screw cap or other pressing mechanism may be further disposed on the connecting section 104 of the can body 100 to abut against and press the cover 200. Preferably, abutting portion 202 protrudes along the upper end of main body portion 201, so that it can be avoided that air pressure pushes up sealing cover 200 outwards to drive main body portion 201 to pull abutting portion 202, and then connection stability of whole sealing cover 200 is affected, and arc-shaped transition portion 206 is arranged between main body portion 201 and abutting portion 202, so that transition between main body portion 201 and abutting portion 202 is gentle, processing quality is guaranteed, and deformation of sealing cover 200 under the action of air pressure is reduced.

To sum up, the utility model provides a perfusion device filters piece 300 packaging structure, through will filtering piece 300 and directly set up the lower extreme at closing cap 200, the both ends opening part of jar body 100 is equipped with closing cap 200 respectively with sealed perfusion ware, the adsorbent is filled between two filtration pieces 300, closing cap 200 is connected in the step groove 105 of the jar body 100 transition section 103, closing cap 200 one side plays the supporting role to filtering piece 300, on the other hand will filter piece 300 and jar body 100 through closing cap 200 and be connected fixedly, it is firm to guarantee to filter the connection between the jar body 100 of piece 300 and perfusion ware, avoid filtering piece 300 and closing cap 200 or jar body 100 between take place not hard up and influence perfusion ware's normal use.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a perfusion ware filters piece packaging structure, a serial communication port, including the jar body, closing cap and the filtration piece that have the absorption chamber, the both ends of jar body be equipped with the opening that adsorbs the chamber intercommunication, jar body including adsorb the section, locate adsorb the linkage segment at section both ends and be located adsorb the section with changeover portion between the linkage segment, the changeover portion along adsorb the section extremely the direction of linkage segment its inside diameter grow gradually, all be equipped with the step groove on the inner wall of changeover portion, the closing cap connect in be used for in the step groove sealing the opening of the jar body, filter and locate the lower extreme of closing cap, two it has the adsorbent to fill between the filtration piece.

2. The cartridge filter package of claim 1, wherein the filter is bonded or snapped to the cover.

3. The cartridge filter package of claim 2, wherein the filter is a filter mesh and the sorbent is in the form of particles, the filter mesh having a mesh diameter smaller than a diameter of the particulate sorbent.

4. The cartridge filter package of claim 2, wherein a seal is disposed between the cover and the stepped recess.

5. The cartridge filter package according to claim 4, wherein the cover includes a body portion, an edge of the body portion extends outward to form an abutting portion, a connecting portion is disposed at a lower end of the body portion, a connecting post is protruded from an upper end of the body portion, a blood nozzle hole communicating with the adsorption chamber is disposed in the connecting post, a lower end of the abutting portion abuts against the sealing member, and the filter is disposed at a lower end of the connecting portion.

6. The cartridge filter package of claim 5, wherein the abutment portion projects along the upper end of the body portion and is connected to the body portion by an arcuate transition portion.

7. The cartridge filter pack packaging structure of any of claims 4-6, wherein the sealing member is a sealing ring.