CN208838762U

CN208838762U - Filter device and filtering infusion vessel including it

Info

Publication number: CN208838762U
Application number: CN201721585576.4U
Authority: CN
Inventors: 毛春元; 毛亚凌; 陈贤华; 陈陆陆
Original assignee: Jiangsu Jinta Pharmaceutical Co Ltd
Current assignee: Shanghai Jinta Medical Co ltd
Priority date: 2017-11-22
Filing date: 2017-11-22
Publication date: 2019-05-10
Anticipated expiration: 2027-11-22

Abstract

The utility model discloses a kind of filter device and including its filtering infusion vessel.The filter device, comprising: main body, main body include a runner and a barriers, and barriers are set in runner, and the inner wall of the outer peripheral edge of barriers and runner is seamlessly connected, to block runner；Puncture component, puncture component are arranged in main body, open runner for puncturing barriers.The filtering infusion vessel includes infusion vessel and filter device as described above, and filter device is connected on infusion vessel, and lead to infusion vessel for one end of runner, and the other end leads to main body.The utility model is compact-sized, and space utilization rate is high；The utility model guarantees that transfusion liquid keeps good leakproofness by setting barriers, and keeps the optimal integrality of filter membrane；Barriers are punctured to open runner by setting puncture component, as the turned parts of filter device, guarantee the use function of filter device.

Description

Filter device and filtering infusion vessel including it

Technical field

The utility model relates to a kind of filter device and including its filtering infusion vessel.

Background technique

In clinical transfusion, the filter device with filter membrane is before use, filter membrane will keep integrality can be only achieved Optimum filtration effect, that is to say, that if the state that filter membrane is not destroyed not only, while will patient use when just for the first time It is contacted with transfusion liquid.It but conventionally, as is fluid passage to be opened using switch, and cause it cannot be guaranteed that defeated The leakproofness of liquid liquid reduces the validity of filter membrane to change the expection filter effect of filter membrane.

Utility model content

The technical problems to be solved in the utility model is to overcome in the prior art it cannot be guaranteed that the sealing of transfusion liquid Property, to change the expection filter effect of filter membrane, reduces the defect of the validity of filter membrane, provide a kind of filter device and Including its filtering infusion vessel.

The utility model is to solve above-mentioned technical problem by following technical proposals:

A kind of filter device, it is characterized in that comprising:

Main body, the main body include a runner and a barriers, and the barriers are set in the runner, and the barrier The inner wall of the outer peripheral edge of part and the runner is seamlessly connected, to block the runner；

Puncture component, the puncture component is arranged in the main body, described for puncturing the barriers to open the stream Road.

In the technical scheme, by this sealing means of barriers, guarantee that transfusion liquid keeps good leakproofness, So that filter membrane is in different confined spaces always using preceding in patient from transfusion liquid, and keeps the best of filter membrane Integrality, meanwhile, the case where making filter device not generate leakage；Barriers are punctured by setting puncture component to open stream Road guarantees the use function of filter device as the turned parts of filter device.

Preferably, the main body further include:

The first component, the first component include a shell, and the first side wall and bottom plate of the shell, which enclose to set, is formed with one First accommodating cavity；

Second component, the second component are connect with the first component, and the second component is equipped with inner cavity, the inner cavity It is connected to first accommodating cavity, the runner is set in the second component, and with the inner cavity far from first accommodating One end of chamber is connected；

Filter membrane, the filter membrane are located between the first component and the second component.

Preferably, the central axis upright of the puncture component is in the central axis of the runner, the puncture component is along vertical It moves along a straight line in the direction of the central axis of the runner.

Preferably, the second component includes mounting base, the mounting base is equipped with installation cavity, and the puncture component includes being connected The head connect and bar portion, the bar portion are inserted in the installation cavity, and the central axis upright of the installation cavity is in the runner Central axis.

Preferably, the barriers are set to the junction of the runner and the installation cavity, and where the barriers Plane has been axially formed angle with the runner.

In the technical scheme, barriers can be integrally formed with second component, in process of production, can be molded together Production, to guarantee the leakproofness of transfusion liquid.

Preferably, the bar portion of the puncture component close to one end of the barriers be equipped with tip, the barriers be equipped with The corresponding guide groove in the tip.

In the technical scheme, the plane as where barriers and runner have been axially formed angle, that is to say, that resistance Spacing body is oblique, and guide groove is arranged by corresponding tip, so that tip is had impetus, it is easier to puncture barriers.

Preferably, the tip is equipped with detent slot, guide groove position corresponding with the detent slot is equipped with detent Protrusion, the detent slot and the detent male cooperation are used to limit the movement of the puncture component.

In the technical scheme, the limit to tip motion direction is played by the detent slot at tip and the cooperation of detent protrusion Position, has the function that precisely to puncture with this.

Preferably, the side towards the runner in the head is equipped with limiting slot, the appearance of the side wall of the mounting base Face is equipped with retention bead corresponding with the limiting slot, and the limiting slot and the retention bead cooperate for limiting the puncture The movement of part.

In the technical scheme, cooperated by the limiting slot on head and the retention bead of mounting base, reached with this and precisely worn The effect of thorn.

Preferably, the central axis of the puncture component is overlapped with the central axis of the runner, the puncture component is described in The direction of the central axis of runner moves along a straight line.

Preferably, the first component further includes an inner casing, one end of the inner casing is arranged in first accommodating cavity, The other end of the inner casing is arranged in the bottom plate of the shell and is located at outside the shell, and the bottom plate is sealedly attached in described The outer surface of the second sidewall of shell, the second sidewall and top plate, which enclose to set, is formed with one second accommodating cavity, and the inner casing is arranged in Second sidewall in first accommodating cavity is equipped with several gaps, several gaps be connected to first accommodating cavity with it is described Second accommodating cavity.

Preferably, the main body further includes bracket, the bracket is located at the interior intracavitary of the second component, the bracket One end is sheathed on outside the outer wall of the runner, and the other end of the bracket is connected to the filter membrane.

Preferably, the puncture component includes the head being connected and bar portion, the bar portion is set far from the one end on the head There is intake chute, and is successively arranged in second accommodating cavity, the top plate, the filter membrane, the bracket, the runner, institute Head is stated to be arranged in second accommodating cavity.

Preferably, be arranged with gasket outside the bar portion of the puncture component, the gasket for seal the puncture component with Gap between the filter membrane.

Preferably, the first component is integrally formed.

The utility model also provides a kind of filtering infusion vessel, it is characterized in that comprising filter device as described above, The filtering infusion vessel further includes an infusion vessel, and the filter device is connected on the infusion vessel, and the runner One end lead to the infusion vessel, the other end leads to the main body.

The positive effect of the utility model is:

1, the utility model is compact-sized, and space utilization rate is high；

2, the utility model guarantees that transfusion liquid keeps good leakproofness by setting barriers, that is, makes filter membrane It is in different confined spaces always using preceding in patient from transfusion liquid, and keeps the optimal integrality of filter membrane, meanwhile, The case where making filter device not generate leakage；Barriers are punctured to open runner by setting puncture component, are filled as filtering The turned parts set guarantees the use function of filter device.

Detailed description of the invention

Fig. 1 is the dimensional decomposition structure figure of the filtering infusion vessel of the utility model embodiment 1.

Fig. 2 is that the puncture component of the filter device of the utility model embodiment 1 punctures the sectional view before barriers.

Fig. 3 is that the puncture component of the filter device of the utility model embodiment 1 punctures the sectional view after barriers.

Fig. 4 is the structural schematic diagram of the second component of the filter device of the utility model embodiment 1.

Fig. 5 is A-A sectional view in Fig. 4.

Fig. 6 is the top view of the puncture component of the filter device of the utility model embodiment 1.

Fig. 7 is the dimensional decomposition structure figure of the filtering infusion vessel of the utility model embodiment 2.

Fig. 8 is that the puncture component of the filter device of the utility model embodiment 2 punctures the sectional view before barriers.

Fig. 9 is that the puncture component of the filter device of the utility model embodiment 2 punctures the sectional view after barriers.

Description of symbols

Main body 1

Seal member 10

The first component 20

Shell 21

The first side wall 211

Bottom plate 212

First accommodating cavity 213

Inner casing 22

Second sidewall 221

First part 2211

Second part 2212

Top plate 222

Second accommodating cavity 223

Gap 224

Filter membrane 30

Second component 40

Runner 41

Inner cavity 42

Mounting base 43

Installation cavity 431

Limited step 4311

The side wall 432 of mounting base

Retention bead 4321

Puncture plug-in unit 50

Puncture the head 51 of plug-in unit

Limiting slot 512

Puncture the bar portion 52 of plug-in unit

Tip 521

Detent slot 5211

Barriers 60

Guide groove 61

Detent protrusion 612

Fixing piece 71

Snap ring 72

Bracket 80

Puncture nail 90

Puncture the head 91 of nail

Intake chute 921

Puncture the bar portion 92 of nail

Gasket 93

Infusion vessel 2

Specific embodiment

The utility model is further illustrated below by the mode of embodiment, but is not therefore limited in the utility model Scope of embodiments among.

Embodiment 1

Understood incorporated by reference to Fig. 1-Fig. 6, the implementation case provides a kind of filter device comprising: main body 1 and puncture Part.Main body 1 includes a runner 41 and a barriers 60, and barriers 60 are set in runner 41, and the outer peripheral edge of barriers 60 and stream The inner wall in road 41 is seamlessly connected, to block runner 41.Puncture component is arranged in main body 1, opens stream for puncturing barriers 60 Road 41.In this way, passing through this sealing means of barriers 60, guarantee that transfusion liquid keeps good leakproofness, that is, made Filter membrane 30 is in different confined spaces using preceding in patient from transfusion liquid always, and keeps the optimal complete of filter membrane 30 Property, meanwhile, the case where making filter device not generate leakage, puncture component will not loosen during transportation；It is worn by setting It pierces part and punctures barriers 60 to open runner 41, as the turned parts of filter device, guarantee the use function of filter device.

In the present embodiment, puncture component is to puncture plug-in unit 50.The central axis upright of plug-in unit 50 is punctured in runner 41 Mandrel line punctures plug-in unit 50 and moves along a straight line along the direction of the central axis perpendicular to runner 41.

Preferably, main body 1 further include: the first component 20, second component 40 and filter membrane 30.One end card of the first component 20 It is buckled in the corresponding one end of second component 40, and the first component 20 and second component 40 are tightly connected.Filter membrane 30 is located in Between one component 20 and second component 40.The first component 20 is integrally formed.

The first component 20 includes: shell 21 and inner casing 22.The first side wall 211 of shell 21 encloses to set with bottom plate 212 to be formed with One first accommodating cavity 213.One end of inner casing 22 is arranged in the first accommodating cavity 213, and the other end of inner casing 22 is arranged in shell 21 Bottom plate 212 and be located at shell 21 outside, bottom plate 212 is sealedly attached to the outer surface of the second sidewall 221 of inner casing 22, second sidewall 221 enclose to set and are formed with one second accommodating cavity 223 with top plate 222, and inner casing 22 is arranged in the second sidewall in the first accommodating cavity 213 221 are equipped with four interspaces 224, and four interspaces 224 are connected to the first accommodating cavity 213 and the second accommodating cavity 223.Four interspaces 224 It is equally spaced along the second accommodating cavity 223 is circumferentially-spaced.In other alternate embodiments, the quantity in gap 224 is also possible to two A, three or other quantity.The second sidewall 221 of inner casing 22 includes the first part 2211 being connected and second part 2212, the thickness of first part 2211 is less than the thickness of second part 2212；First part 2211 is located at the first accommodating cavity 213 It is interior, and first part 2211 is equipped with aforementioned gap 224；Second part 2212, which is located at, to be stated outside shell 21, and the bottom plate 212 of shell 21 is close Envelope is connected to second part 2212 close to the outer surface of one end of first part 2211.Seal member 10 is arranged in the another of inner casing 22 One end, and seal member 10 is for sealing the second accommodating cavity 223.The material of seal member 10 is rubber.In the present embodiment, close It is also arranged with fixing piece 71 outside envelope component 10, one end of fixing piece 71 is circumferentially arranged in inner casing 22 close to the one of seal member 10 End is outer.Fixing piece 71 is used to for seal member 10 being preferably fixed on one end of inner casing 22.In this way, when transfusion liquid is arrived along flow path When up to the first accommodating cavity 213, the horizontal plane of transfusion liquid gradually goes up, and liquid level passes through gap 224 after reaching specified height again Liquid is descended after into the second accommodating cavity 223 again, can prevent transfusion liquid from drops is presented after the filtering of filter membrane 30 so direct It instills in plug bottle pin hole and forms continuous aeroembolism, so as to preferably control infusion process.Meanwhile by the way that inner casing 22 is arranged Structure, needle for inserting bottle be inserted into the second accommodating cavity 223 when, due to the blocking of the top plate 222 of inner casing 22, needle for inserting bottle can be prevented straight It connects and punctures filter membrane 30, improve the safety in operating process.In addition, the gap 224 in the technical program, which also has, to prevent Bubble enters the second accommodating cavity 223, guarantees the security reliability of transfusion liquid.

Second component 40 is connect with the first component 20, and second component 40 is equipped with inner cavity 42, inner cavity 42 and the first accommodating cavity 213 Connection, runner 41 is set in second component 40, and is connected with inner cavity 42 far from one end of the first accommodating cavity 213.

Second component 40 includes mounting base 43, and mounting base 43 is equipped with installation cavity 431, the central axis upright of installation cavity 431 In the central axis of runner 41.Barriers 60 are set to the junction of runner 41 and installation cavity 431, and the plane where barriers 60 Angle has been axially formed with runner 41.In the present embodiment, barriers 60 can be integrally formed with second component 40, produced In the process, it can be molded production together, to guarantee the leakproofness of transfusion liquid.

The head 51 and the bar portion 52 for puncturing plug-in unit that plug-in unit 50 includes the puncture plug-in unit being connected are punctured, the bar of plug-in unit is punctured Portion 52 is inserted in installation cavity 431.The bar portion 52 for puncturing plug-in unit is equipped with tip 521 close to one end of barriers 60, and barriers 60 are set There is guide groove 61 corresponding with tip 521.In this way, due to where barriers 60 plane and runner 41 be axially formed folder Angle, that is to say, that barriers 60 are oblique, and guide groove 61 is arranged by corresponding tip 521, makes tip 521 have impetus, more It is easy to puncture barriers 60.

Tip 521 is equipped with detent slot 5211, and the position corresponding with detent slot 5211 of guide groove 61 is equipped with detent protrusion 612, detent slot 5211 and 612 cooperation of detent protrusion are for limiting the movement for puncturing plug-in unit 50.In this way, passing through the card at tip 521 The limit to 521 direction of motion of tip is played in the cooperation of position slot 5211 and detent protrusion 612, and the work precisely punctured is reached with this With.

It punctures the side towards runner 41 in the head 51 of plug-in unit and is equipped with limiting slot 512, the appearance of the side wall 432 of mounting base Face is equipped with retention bead 4321 corresponding with limiting slot 512, and limiting slot 512 and the cooperation of retention bead 4321 are inserted for limiting puncture The movement of part 50.In this way, cooperated by the limiting slot 512 on the head 51 for puncturing plug-in unit and the retention bead 4321 of mounting base 43, Have the function that precisely to puncture with this.

The utility model also provides a kind of filtering infusion vessel 2, it is characterized in that comprising filter device as above, mistake Filtering infusion vessel 2 further includes an infusion vessel 2, and filter device is connected on infusion vessel 2, and infusion is led in one end of runner 41 Container 2, the other end lead to main body 1.

Embodiment 2

As shown in figs. 7 to 9, the overall structure of the filter device of the present embodiment is basic identical with the structure in embodiment 1, Its different place is that puncture component is to puncture nail 90, and the central axis for puncturing nail 90 is overlapped with the central axis of runner 41, wears Caltrop 90 moves along a straight line along the direction of the central axis of runner 41.

In the present embodiment, main body 1 further includes bracket 80, and bracket 80 is located in the inner cavity 42 of second component 40, bracket 80 One end be sheathed on outside the outer wall of runner 41, the other end of bracket 80 is connected to filter membrane 30.In the present embodiment, main body 1 is gone back Including snap ring 72, one end that snap ring 72 is sheathed on the first component 20 is snapped in outside the corresponding one end of second component 40, makes first Component 20 and second component 40 closely connect.It does not indicate fixing piece 71 in figs. 8 and 9, but in specific embodiment, can also set Set fixing piece 71.

The head 91 and the bar portion 92 for puncturing nail that nail 90 includes the puncture nail being connected are punctured, the straight of the head 91 of nail is punctured Diameter is greater than the diameter for puncturing the bar portion 92 of nail.The bar portion 92 for puncturing nail is equipped with intake chute far from the one end on the head 91 for puncturing nail 921, and successively it is arranged in the second accommodating cavity 223, top plate 222, filter membrane 30, bracket 80, runner 41.Block on the head 91 for puncturing nail In the second accommodating cavity 223.

It punctures and is arranged with gasket 93 outside the bar portion 92 of nail, gasket 93 punctures between nail 90 and filter membrane 30 for sealing Gap 224.It can guarantee that all transfusion liquids will not follow closely the gap 224 between 90 and filter membrane 30 by puncture in this way, Guarantee that transfusion liquid passes through filter membrane 30 and enters back into the first component 20；Meanwhile also guaranteeing that transfusion liquid will not be directly entered the Two accommodating cavities 223, but the first accommodating cavity 213 is first passed through, then the second accommodating cavity 223 is entered by gap 224, that is, be infused Liquid arrow direction flowing as shown in Figure 9.

In other embodiments, it is other structures, the puncture being not limited in the present embodiment that puncture component, which also can be set, Nail 90.

Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that These are merely examples, and the protection scope of the utility model is defined by the appended claims.Those skilled in the art Member can make numerous variations or be repaired to these embodiments under the premise of without departing substantially from the principles of the present invention and essence Change, but these change and modification each fall within the protection scope of the utility model.

Claims

1. a kind of filter device, characterized in that it comprises:

Main body, the main body include a runner and a barriers, and the barriers are set in the runner, and the barriers The inner wall of outer peripheral edge and the runner is seamlessly connected, to block the runner；

Puncture component, the puncture component is arranged in the main body, described for puncturing the barriers to open the runner.

2. filter device as described in claim 1, which is characterized in that the main body further include:

Second component, the second component are connect with the first component, and the second component is equipped with inner cavity, the inner cavity and institute The connection of the first accommodating cavity is stated, the runner is set in the second component, and with the inner cavity far from first accommodating cavity One end is connected；

3. filter device as claimed in claim 2, which is characterized in that the central axis upright of the puncture component is in the runner Central axis, the puncture component moves along a straight line along the direction of the central axis perpendicular to the runner.

4. filter device as claimed in claim 3, which is characterized in that the second component includes mounting base, the mounting base Equipped with installation cavity, the puncture component includes the head being connected and bar portion, and the bar portion is inserted in the installation cavity, the installation The central axis upright of chamber is in the central axis of the runner.

5. filter device as claimed in claim 4, which is characterized in that the barriers are set to the runner and the installation cavity Junction, and the plane where the barriers and the runner have been axially formed angle.

6. filter device as claimed in claim 5, which is characterized in that the bar portion of the puncture component close to the barriers one End is equipped with tip, and the barriers are equipped with guide groove corresponding with the tip.

7. filter device as claimed in claim 6, which is characterized in that the tip is equipped with detent slot, the guide groove and institute The corresponding position of detent slot is stated equipped with detent protrusion, the detent slot and the detent male cooperation are for limiting the puncture The movement of part.

8. filter device as claimed in claim 4, which is characterized in that the side towards the runner in the head is equipped with limit Position slot, the outer surface of the side wall of the mounting base are equipped with retention bead corresponding with the limiting slot, the limiting slot with it is described Retention bead cooperates the movement for limiting the puncture component.

9. filter device as claimed in claim 2, which is characterized in that in the central axis of the puncture component and the runner Mandrel line is overlapped, and the puncture component moves along a straight line along the direction of the central axis of the runner.

10. filter device as claimed in claim 9, which is characterized in that the first component further includes an inner casing, the inner casing One end be arranged in first accommodating cavity, the other end of the inner casing is arranged in the bottom plate of the shell and is located at described outer Outside shell, the bottom plate is sealedly attached to the outer surface of the second sidewall of the inner casing, and the second sidewall encloses to set with top plate to be formed There is one second accommodating cavity, the inner casing is arranged in the second sidewall in first accommodating cavity and is equipped with several gaps, described several Gap is connected to first accommodating cavity and second accommodating cavity.

11. filter device as claimed in claim 10, which is characterized in that the main body further includes bracket, and the bracket is located at The second component it is interior intracavitary, one end of the bracket is sheathed on outside the outer wall of the runner, and the other end of the bracket supports It is connected to the filter membrane.

12. filter device as claimed in claim 11, which is characterized in that the puncture component includes the head being connected and bar Portion, the bar portion far from the head one end be equipped with intake chute, and be successively arranged in second accommodating cavity, the top plate, The filter membrane, the bracket, the runner, the head are arranged in second accommodating cavity.

13. filter device as claimed in claim 12, which is characterized in that it is arranged with gasket outside the bar portion of the puncture component, The gasket is used to seal the gap between the puncture component and the filter membrane.

14. filter device as claimed in claim 10, which is characterized in that the first component is integrally formed.

15. a kind of filtering infusion vessel, which is characterized in that it includes the filtering dress as described in claim 1-14 any one It sets, the filtering infusion vessel further includes an infusion vessel, and the filter device is connected on the infusion vessel, and the stream Lead to the infusion vessel for the one end in road, and the other end leads to the main body.