CN208243848U - Automatic liquid-stopping dropping funnel - Google Patents
Automatic liquid-stopping dropping funnel Download PDFInfo
- Publication number
- CN208243848U CN208243848U CN201721576915.2U CN201721576915U CN208243848U CN 208243848 U CN208243848 U CN 208243848U CN 201721576915 U CN201721576915 U CN 201721576915U CN 208243848 U CN208243848 U CN 208243848U
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- China
- Prior art keywords
- dropping funnel
- interior
- lid
- side wall
- rotary table
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- 239000012528 membrane Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 239000003814 drug Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 11
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 238000001802 infusion Methods 0.000 description 12
- 239000012530 fluid Substances 0.000 description 9
- 238000001990 intravenous administration Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The utility model provides automatic liquid-stopping dropping funnel, including dropping funnel lid and dropping funnel body, the top of dropping funnel body is arranged in dropping funnel lid, dropping funnel body includes interior dropping funnel and outer dropping funnel, the dropping funnel lid top wall of interior dropping funnel top of chamber is equipped with gas vent and inlet tube, outer dropping funnel lower part is equipped with dropping funnel liquid outlet, columnar dropping funnel lid inner sidewall is vertically equipped in dropping funnel lid top wall, side wall and dropping funnel outer side of lid wall in dropping funnel lid, the lower end of dropping funnel lid inner sidewall is equipped with filtering membrane cavity, interior dropping funnel includes interior dropping funnel upper shell, interior dropping funnel rotary table side wall and interior dropping funnel lower shell, outer dropping funnel includes outer dropping funnel rotary table side wall, outer dropping funnel upper shell and outer dropping funnel lower part, liquid medicine filtering membrane setting is intracavitary in filter membrane, the lower circumferential of interior dropping funnel upper shell is laid with multiple protrusions, raised lower end is in contact with outer dropping funnel rotary table side wall.The utility model structure is simple, and interior dropping funnel does not need adhesive and fixes, easy to assembly, and avoids damage of the adhesive to liquid medicine filtering membrane.
Description
Technical field
The utility model belongs to medical instruments field, more particularly, to a kind of automatic liquid-stopping dropping funnel.
Background technique
Currently, disposable infusion set is common medical instrument, bottle plug puncture unit, dropping funnel, flow are generally comprised
They are chained together by adjuster, liquid medicine filter, intravenous infusion needle by transfusion catheter.Medical fluid is flowed into through bottle plug puncture unit,
Outlet through dropping funnel flows into transfusion catheter, enters human body through liquid medicine filter, intravenous infusion needle.During clinical transfusion, need
It wants family members to pay close attention to the liquid level of medical fluid, otherwise will appear medical fluid in infusion bottle and be finished and replaced infusion bottle not in time or pull out
Out the phenomenon that intravenous infusion syringe, this will lead to blood backflow in catheter of transfusion system or liquid level decline it is too low and cause gas into
Enter human body and causes the adverse consequences such as aeroembolism.If patient continues to be infused, the air-treatment in the pipeline of dropping funnel lower end need to be fallen, usually
The air in conduit is squeezed in residual titration bucket by the way of squeezing winding conduit, or extracts intravenous needle and re-starts bleeding
Replacement intravenous needle carries out venipuncture again.Both the above method is cumbersome time-consuming, increases labor intensity and the trouble of medical staff
The mental burden of person.
Application number: 201310191573.2 disclose a kind of automatic liquid-stopping dropping funnel, including dropping funnel lid and dropping funnel body, dropping funnel lid
The top of dropping funnel body is set, and the dropping funnel body is made of interior dropping funnel, outer dropping funnel, in interior dropping funnel inner wall forms in conjunction with dropping funnel lid
Dropping funnel chamber, interior dropping funnel top of chamber are combined with gas vent, and the dropping funnel on interior dropping funnel chamber top is covered equipped with dropping funnel inlet tube, interior dropping funnel bottom
The interior dropping funnel liquid outlet top at end is provided with liquid medicine filtering membrane；Outer dropping funnel inner wall, dropping funnel lid and interior dropping funnel outer wall combine composition outer
Dropping funnel chamber, outer dropping funnel chamber are combined with openable and closable air inlet, and outer dropping funnel chamber lower part is equipped with dropping funnel liquid outlet.
The automatic liquid-stopping dropping funnel liquid medicine filtering membrane of the prior art is arranged on the inside of interior dropping funnel, interior dropping funnel by cyclohexanone or its
Dropping funnel lid is fixed in his adhesive stickup, and cyclohexanone or other adhesives are corrosive to filter membrane, to influence medical fluid mistake
The strainability of filter membrane, leads to poor filtration effect.
Summary of the invention
Easy to assembly the purpose of the utility model is to provide a kind of structure is simple, interior dropping funnel does not need solid using adhesive
Fixed automatic liquid-stopping dropping funnel.
The technical solution of the utility model is: automatic liquid-stopping dropping funnel, including dropping funnel lid and dropping funnel body, and the setting of dropping funnel lid is being dripped
The top of bucket body, dropping funnel body include interior dropping funnel and outer dropping funnel, the dropping funnel lid top wall of interior dropping funnel top of chamber be equipped with gas vent and into
Liquid pipe, gas vent are equipped with exhaust gas filter film, and the dropping funnel lid top wall at the top of outer dropping funnel is equipped with air inlet, and outer dropping funnel lower part is equipped with drop
Struggle against liquid outlet, columnar dropping funnel lid inner sidewall is vertically equipped in dropping funnel lid top wall, side wall and dropping funnel outer side of lid wall in dropping funnel lid,
The lower end of dropping funnel lid inner sidewall is equipped with the filtering membrane cavity that diameter is greater than the internal diameter of dropping funnel inner sidewall, and interior dropping funnel includes cylinder on interior dropping funnel
Body, interior dropping funnel rotary table side wall and interior dropping funnel lower shell, the upper end of interior dropping funnel upper shell are set to dropping funnel lid inner sidewall and dropping funnel lid
Between middle side wall, the lower end of interior dropping funnel upper shell is connected with the big end of interior dropping funnel rotary table side wall, interior dropping funnel rotary table side wall it is small
End is connected with interior dropping funnel lower shell, and outer dropping funnel includes outer dropping funnel rotary table side wall, outer dropping funnel upper shell and outer dropping funnel lower part, outer drop
The upper end of bucket upper shell is set in dropping funnel lid between side wall and dropping funnel outer side of lid wall, the lower end of outer dropping funnel upper shell and outer dropping funnel
The big end of rotary table side wall is connected, and the small end of outer dropping funnel rotary table side wall is connected with outer dropping funnel lower part, and the diameter of liquid medicine filtering membrane is equal to
The diameter of membrane cavity is filtered, liquid medicine filtering membrane setting is intracavitary in filter membrane, and the lower circumferential of interior dropping funnel upper shell is laid with multiple
Protrusion, raised lower end are in contact with outer dropping funnel rotary table side wall.
Interior dropping funnel is to be fixed on dropping funnel lid and outer dropping funnel rotary table by being in contact between its lower end and outer dropping funnel rotary table side wall
Between side wall, other techniques such as gluing, ultrasonic welding or heat seal are not needed, structure is simple, and it is easy to process, thus will not be to medicine
Liquid filter membrane causes to damage, and influences filter effect.Protrusion makes the presence of ventilation between interior dropping funnel upper shell and outer dropping funnel rotary table side wall
Gap makes outer dropping funnel be connected by air inlet with outside air.
The interior dropping funnel further includes interior dropping funnel annular surface, and the lower end of interior dropping funnel upper shell and the outer circle of interior dropping funnel annular surface are hung down
Straight to be connected, the big end of interior dropping funnel rotary table side wall is connected with the inner circle of interior dropping funnel annular surface, the outside of interior dropping funnel annular surface with outside
Dropping funnel rotary table side wall is in contact, and the lower circumference of the interior dropping funnel annular surface is laid with multiple protrusions, raised lower end and outer
Dropping funnel rotary table side wall is in contact.
The lower circumference of the interior dropping funnel annular surface is laid with four protrusions, increases the fixation of interior dropping funnel Yu dropping funnel lid
Intensity.
The length of the interior dropping funnel upper shell is greater than the length of outer dropping funnel upper shell, the lower end of interior dropping funnel upper shell and outer drop
It is in contact in the middle part of bucket rotary table side wall.
The upper end of outer dropping funnel upper shell is fixedly installed on side in dropping funnel lid by gluing, ultrasonic bonding or heat seal process
Between wall and dropping funnel outer side of lid wall.
The utility model has the advantages and positive effects of: due to the adoption of the above technical scheme, automatic liquid-stopping dropping funnel group
Dress is convenient, and the filter membrane that liquid medicine filtering membrane is directly pressed together on dropping funnel lid is intracavitary, the fixation of interior dropping funnel and dropping funnel lid do not use gluing,
Other techniques such as ultrasonic welding or heat seal, to will not cause to damage to liquid medicine filtering membrane, filter effect is good, and structure is simple,
High production efficiency.
Detailed description of the invention
Fig. 1 is the automatic liquid-stopping dropping funnel structural schematic diagram of the utility model
Fig. 2 is the automatic liquid-stopping dropping funnel partial enlarged view of the utility model
In figure:
1, dropping funnel lid 2, interior dropping funnel 3, outer dropping funnel 4, liquid medicine filtering membrane
5, exhaust membrane 11, dropping funnel lid top wall 12, dropping funnel lid inner sidewall 13, side wall in interior dropping funnel lid
14, dropping funnel outer side of lid wall 15, inlet tube 16, filtering membrane cavity 17, gas vent
21, interior dropping funnel upper shell 22, interior dropping funnel annular surface 23, interior dropping funnel rotary table side wall 24, interior dropping funnel lower shell
25, raised 31, outer dropping funnel rotary table side wall 32, outer dropping funnel upper shell 33, outer dropping funnel lower part
Specific embodiment
As shown in Figure 1 and Figure 2, the utility model automatic liquid-stopping dropping funnel, including dropping funnel lid 1 and dropping funnel body, dropping funnel lid 1 are arranged
At the top of dropping funnel body, dropping funnel body includes interior dropping funnel 2 and outer dropping funnel 3, and the dropping funnel lid top wall 11 of interior 2 top of chamber of dropping funnel is equipped with row
Stomata 17 and inlet tube 15, gas vent 17 are equipped with exhaust membrane 5, and the dropping funnel lid top wall 11 at outer 3 top of dropping funnel is equipped with air inlet, outside
3 lower part of dropping funnel is equipped with dropping funnel liquid outlet, columnar dropping funnel lid inner sidewall 12 is vertically equipped in dropping funnel lid top wall 11, in dropping funnel lid
Side wall 13 and dropping funnel outer side of lid wall 14, the lower end of dropping funnel lid inner sidewall 12 are equipped with the mistake that diameter is greater than the internal diameter of dropping funnel inner sidewall 12
Filter membrane chamber 16, interior dropping funnel 2 includes interior dropping funnel upper shell 21, interior dropping funnel rotary table side wall 23 and interior dropping funnel lower shell 24, on interior dropping funnel
The upper end of cylinder 21 is set in dropping funnel lid inner sidewall 12 and dropping funnel lid between side wall 13, the lower end of interior dropping funnel upper shell 21 with it is interior
The big end of dropping funnel rotary table side wall 23 is connected, and the small end of interior dropping funnel rotary table side wall 23 is connected with interior dropping funnel lower shell 24, outer drop
Bucket 3 includes outer dropping funnel rotary table side wall 31, outer dropping funnel upper shell 32 and outer dropping funnel lower part 33, and the upper end of outer dropping funnel upper shell 32 is arranged
In dropping funnel lid between side wall 13 and dropping funnel outer side of lid wall 14, the lower end of outer dropping funnel upper shell 32 and outer dropping funnel rotary table side wall 31
Big end is connected, and the small end of outer dropping funnel rotary table side wall 31 is connected with outer dropping funnel lower part 33, and the diameter of liquid medicine filtering membrane 4 is equal to filter membrane
The diameter of chamber 16, in filtering membrane cavity 16, the lower circumferential of interior dropping funnel upper shell 21 is laid with multiple the setting of liquid medicine filtering membrane 4
Protrusion 25, raised 25 lower ends are in contact with outer dropping funnel rotary table side wall 31.
Interior dropping funnel 2 is to be fixed on dropping funnel lid 1 and outer dropping funnel by being in contact between its lower end and outer dropping funnel rotary table side wall 31
Between rotary table side wall 31, other techniques such as gluing, ultrasonic welding or heat seal are not needed, to will not make to liquid medicine filtering membrane 4
At damage, filter effect is influenced, and structure is simple, it is easy to process.
Further, in order to increase the fixing intensity of interior dropping funnel 2 and dropping funnel lid 1, interior dropping funnel 2 can also include interior dropping funnel
Annular surface 22, the lower end of interior dropping funnel upper shell 21 and the outer circle of interior dropping funnel annular surface 22 are vertically connected, interior dropping funnel rotary table side wall 24
Big end be connected with the inner circle of interior dropping funnel annular surface 22, the outside of interior dropping funnel annular surface 22 connects with outer dropping funnel rotary table side wall 31
Touching is laid with multiple raised 25 in the lower circumference of interior dropping funnel annular surface 22, lower end and the outer dropping funnel rotary table side wall of protrusion 25
31 are in contact.
Preferably, the lower circumference of interior dropping funnel annular surface 22 is laid with four protrusions 25.
The length of interior dropping funnel upper shell 21 is greater than the length of outer dropping funnel upper shell 32, the lower end of interior dropping funnel upper shell 21 and outer
The middle part of dropping funnel rotary table side wall 31 is in contact.
The upper end of outer 3 upper shell of dropping funnel is fixedly installed in dropping funnel lid by gluing, ultrasonic bonding or heat seal process
Between side wall 13 and dropping funnel outer side of lid wall 14.
The course of work of this example: after the completion of infusion, the water-wet behavior of liquid medicine filtering membrane 4 pass through air can not, from
And form automatic liquid-stopping.It is connect again with infusion bottle when with the infusion apparatus of the dropping funnel, it, will be defeated after medical fluid enters interior dropping funnel 2
Air in liquid device is discharged by exhaust membrane 5 through gas vent, with the gradually discharge of air in infusion apparatus, newly changes infusion bottle Chinese medicine
Liquid will continue to flow into interior dropping funnel chamber, flow into outer dropping funnel 3 through interior dropping funnel lower shell 24 and enter in transfusion catheter, to realize auto-stopping
Continuous transfusion function after liquid.It is defeated under dropping funnel and dropping funnel due to the presence of automatic liquid-stopping function after the completion of whole infusion process
Medical fluid in liquid pipe will be unable to continue to be infused into the intravenous of patient, at this point, medical staff can will be in the air inlet of normally off
Mouth is opened, and such outside air enters outer dropping funnel chamber after filtering by air inlet, so as to which dropping funnel and its lower end are infused
Medical fluid in conduit continues to be infused into that patient is intravenous, realizes that medical fluid truly is transfused completely, avoids because of medical fluid wave
Take and lessens the curative effect.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (5)
1. automatic liquid-stopping dropping funnel, including dropping funnel lid and dropping funnel body, the top of dropping funnel body is arranged in dropping funnel lid, and dropping funnel body includes interior drop
Bucket and outer dropping funnel, the dropping funnel lid top wall of interior dropping funnel top of chamber are equipped with gas vent and inlet tube, and gas vent is equipped with exhaust gas filter film,
Dropping funnel lid top wall at the top of outer dropping funnel is equipped with air inlet, and outer dropping funnel lower part is equipped with dropping funnel liquid outlet, it is characterised in that: dropping funnel lid
Columnar dropping funnel lid inner sidewall, side wall and dropping funnel outer side of lid wall in dropping funnel lid are vertically equipped on roof, dropping funnel lid inner sidewall
Lower end is equipped with the filtering membrane cavity that diameter is greater than the internal diameter of dropping funnel inner sidewall, and interior dropping funnel includes interior dropping funnel upper shell, interior dropping funnel rotary table
Side wall and interior dropping funnel lower shell, the upper end of interior dropping funnel upper shell is set in dropping funnel lid inner sidewall and dropping funnel lid between side wall, interior
The lower end of dropping funnel upper shell is connected with the big end of interior dropping funnel rotary table side wall, cylinder under the small end and interior dropping funnel of interior dropping funnel rotary table side wall
Body is connected, and outer dropping funnel includes outer dropping funnel rotary table side wall, outer dropping funnel upper shell and outer dropping funnel lower part, the upper end of outer dropping funnel upper shell
It is set in dropping funnel lid between side wall and dropping funnel outer side of lid wall, the big end of the lower end of outer dropping funnel upper shell and outer dropping funnel rotary table side wall
It is connected, the small end of outer dropping funnel rotary table side wall is connected with outer dropping funnel lower part, and the diameter of liquid medicine filtering membrane is equal to the diameter of filtering membrane cavity,
Liquid medicine filtering membrane setting is intracavitary in filter membrane, and the lower circumferential of interior dropping funnel upper shell is laid with multiple protrusions, raised lower end with
Outer dropping funnel rotary table side wall is in contact.
2. automatic liquid-stopping dropping funnel according to claim 1, it is characterised in that: the interior dropping funnel further includes interior dropping funnel annular
Face, the lower end of interior dropping funnel upper shell and the outer circle of interior dropping funnel annular surface are vertically connected, the big end and interior drop of interior dropping funnel rotary table side wall
The inner circle of bucket annular surface is connected, and the outside of interior dropping funnel annular surface is in contact with outer dropping funnel rotary table side wall, the interior dropping funnel annular
The lower circumference in face is laid with multiple protrusions, and raised lower end is in contact with outer dropping funnel rotary table side wall.
3. automatic liquid-stopping dropping funnel according to claim 2, it is characterised in that: the lower circumference of the interior dropping funnel annular surface is equal
Protrusion there are four laying.
4. automatic liquid-stopping dropping funnel according to claim 1, it is characterised in that: the length of the interior dropping funnel upper shell is greater than outer
It is in contact in the middle part of the length of dropping funnel upper shell, the lower end of interior dropping funnel upper shell and outer dropping funnel rotary table side wall.
5. automatic liquid-stopping dropping funnel according to any one of claims 1-4, it is characterised in that: the upper end of outer dropping funnel upper shell
It is fixedly installed in dropping funnel lid between side wall and dropping funnel outer side of lid wall by gluing, ultrasonic bonding or heat seal process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721576915.2U CN208243848U (en) | 2017-11-22 | 2017-11-22 | Automatic liquid-stopping dropping funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721576915.2U CN208243848U (en) | 2017-11-22 | 2017-11-22 | Automatic liquid-stopping dropping funnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208243848U true CN208243848U (en) | 2018-12-18 |
Family
ID=64618999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721576915.2U Active CN208243848U (en) | 2017-11-22 | 2017-11-22 | Automatic liquid-stopping dropping funnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208243848U (en) |
-
2017
- 2017-11-22 CN CN201721576915.2U patent/CN208243848U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |