CN203619973U - Bubble-proof and anti-blood-return infusion dripping bucket - Google Patents
Bubble-proof and anti-blood-return infusion dripping bucket Download PDFInfo
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- CN203619973U CN203619973U CN201320424586.5U CN201320424586U CN203619973U CN 203619973 U CN203619973 U CN 203619973U CN 201320424586 U CN201320424586 U CN 201320424586U CN 203619973 U CN203619973 U CN 203619973U
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- liquid
- fluid exhaust
- taper hole
- exhaust sleeve
- hole guide
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Abstract
The utility model relates to the technical field of medical instruments, in particular to a bubble-proof and anti-blood-return infusion dripping bucket, which comprises a dropping bucket shell. A liquid-outlet and air-exhaust device is arranged in the dripping bucket shell. An anti-blood-return device is arranged in the liquid-outlet and air-exhaust device. anti-bubble, anti-blood-return infusion dripping hopper, which comprises a the hopper shell provide d with a, the effluent exhaust device is internally provided with an anti-blood returning device, a liquid medicine into the dripping hopper shell, a liquid exhaust device of air in the dropping funnel, quickly discharge the air bubbles are avoided; when the liquid medicine enters the liquid exhaust sleeve are liquid medicine when expanding to a certain degree, the automatic sealing cone body floating, liquid medicine flows out from the taper hole guide sleeve shell, a dripping hopper enter the transfusion hose, after conveying the liquid, a liquid medicine at the liquid exhaust sleeve is gradually reduced, and liquid level of automatic sealing cone body and the taper hole guide sleeve gradually sealing, the atmospheric pressure and dripping hopper under dual action of a suction transfusion hose, and finally the dripping hopper shell tightly the liquid outlet, so that the transfusion is finished, the blood reflux of the prior art, compared infusion dripping hopper, has the advantages of simple structure, safety and reliability, and meets the standard registration and management of medical apparatus and instruments.
Description
Technical field
This utility model relates to technical field of medical instruments, refers in particular to a kind of Anti-bubble, blood return prevention Perfusion drip funnel.
Background technology
At medical instruments field, conventional general infusion set is to be made up of parts such as bottle stopper penetrator, dropping funnel, conduit, flow regulator, liquid medicine filter and intravenous transfusion devices.General infusion set is in the time that medicinal liquid enters dropping funnel, liquid is discharged formation bubble downwards by the gas in dropping funnel and is mixed into downcomer, therefore in the medicinal liquid of conduit, produce bubble, medical personnel must get rid of the bubble in conduit completely and could infuse, and in infusion process, need nursing staff, patient and family numbers of patients to observe at any time the situation of liquid in infusion bottle, in order to avoid in the time that transfusion finishes, cause blood backflow in transfusion catheter because not pulling out in time infusion needle, or decline too low and cause gas to enter the adverse consequencess such as human body formation aeroembolism at liquid level.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, safe and reliable, Anti-bubble, blood return prevention Perfusion drip funnel of meeting medical apparatus and instruments registration management standard for the deficiencies in the prior art.
For achieving the above object, a kind of Anti-bubble of the present utility model, blood return prevention Perfusion drip funnel, comprise dropping funnel shell, and the inside of described dropping funnel shell is provided with fluid exhaust apparatus, and the inside of described fluid exhaust apparatus is provided with blood return preventer.
As preferably, described fluid exhaust apparatus comprises base and fluid exhaust sleeve, described fluid exhaust sleeve is socketed on base, between described fluid exhaust sleeve and dropping funnel shell, be provided with medicinal liquid gap, the center of described base is provided with base plate through holes, and described base plate through holes is communicated with the liquid outlet of dropping funnel shell; The sidewall of described fluid exhaust sleeve offers fluid air vent.
As preferably, described blood return preventer comprises being arranged at and in fluid exhaust sleeve, can float on the automatic-sealed cone of liquid and the taper hole guide pin bushing with described automatic-sealed cone fitted seal, described taper hole guide pin bushing is pegged graft and is communicated in described base plate through holes, and described automatic-sealed cone is plugged in described taper hole guide pin bushing.
As preferably, described fluid exhaust apparatus comprises base and can float on the fluid exhaust sleeve of liquid, between described fluid exhaust sleeve and dropping funnel shell, be provided with medicinal liquid gap, the center of described base is provided with base plate through holes, and described base plate through holes is communicated with the liquid outlet of dropping funnel shell; Described blood return preventer comprises can float on the automatic-sealed cone of liquid and the taper hole guide pin bushing with described automatic-sealed cone fitted seal, described automatic-sealed cone and fluid exhaust sleeve are one-body molded, described taper hole guide pin bushing is pegged graft and is communicated in described base plate through holes, and described automatic-sealed cone is plugged in described taper hole guide pin bushing; The end face outer rim of described taper hole guide pin bushing is provided with snap ring, and the bottom of described fluid exhaust sleeve is extended with the grab with the mutual clamping of described snap ring to the inside.
As preferably, the sidewall of described fluid exhaust sleeve offers fluid air vent.
As preferably, described taper hole guide pin bushing and base are one-body molded.
As preferably, the top of described fluid exhaust sleeve offers passage, and described passage is opened in the top of described fluid exhaust sleeve, and described passage is provided with the cover that stops for stopping that medicinal liquid enters near a side at fluid exhaust sleeve center.
As preferably, the inlet of described dropping funnel shell is provided with side discharge opeing minim pipette, and the side of described side discharge opeing minim pipette is provided with liquid droping port.
As preferably, the bottom of described base is provided with filter membrane.
As preferably, described fluid air vent is groove shape structure.
The beneficial effects of the utility model: a kind of Anti-bubble, blood return prevention Perfusion drip funnel, medicinal liquid enters dropping funnel enclosure, and fluid exhaust apparatus is discharged the gas in dropping funnel rapidly, avoids the generation of bubble, in the time that medicinal liquid enters fluid exhaust sleeve inside, medicinal liquid increases to a certain degree automatic-sealed cone is floated, medicinal liquid flows out dropping funnel shell from taper hole guide pin bushing, enter infusion tube, after medicinal liquid is totally lost, the liquid level of medicinal liquid in fluid exhaust sleeve declines gradually, automatic-sealed cone and taper hole guide pin bushing seal gradually, below atmospheric pressure and dropping funnel under infusion tube suction dual function, finally by tight the liquid outlet sealing of dropping funnel shell, avoid the blood backflow after infusion-completed, compared with the Perfusion drip funnel of prior art, have simple in structure, safe and reliable, meet the registration management standard of medical apparatus and instruments.
Accompanying drawing explanation
Fig. 1 is that the master of this utility model embodiment mono-looks schematic diagram.
Fig. 2 is the Section View along A-A line in Fig. 1.
Fig. 3 is the structural representation of this utility model embodiment mono-.
Fig. 4 is the decomposition texture schematic diagram of this utility model embodiment mono-.
Fig. 5 is fluid exhaust apparatus and the blood return preventer decomposition texture schematic diagram of this utility model embodiment mono-.
Fig. 6 is the cut-away illustration of this utility model embodiment bis-.
Fig. 7 is the decomposition texture schematic diagram of this utility model embodiment bis-.
Reference numeral comprises:
1-dropping funnel shell, 2-fluid exhaust apparatus, 21-base, 211-base plate through holes
22-fluid exhaust sleeve, 221-fluid air vent, 222-passage
3-blood return preventer, 31-automatic-sealed cone, 32-taper hole guide pin bushing
33-snap ring, 34-grab 35-stop and cover 4-filter membrane
5-medicinal liquid gap.
The specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in detail.
As shown in Figures 1 to 5, a kind of Anti-bubble of the present utility model, blood return prevention Perfusion drip funnel, comprise dropping funnel shell 1, and the inside of described dropping funnel shell 1 is provided with fluid exhaust apparatus 2, and the inside of described fluid exhaust apparatus 2 is provided with blood return preventer 3.
The fluid exhaust apparatus 2 of the present embodiment comprises base 21 and fluid exhaust sleeve 22, described fluid exhaust sleeve 22 is socketed on base 21, between described fluid exhaust sleeve 22 and dropping funnel shell 1, be provided with medicinal liquid gap 5, described base 21 center is provided with base plate through holes 211, and described base plate through holes 211 is communicated with the liquid outlet of dropping funnel shell 1; The sidewall of described fluid exhaust sleeve 22 offers fluid air vent 221, and the top of described fluid exhaust sleeve 22 offers passage 222.
The blood return preventer 3 of the present embodiment comprises being arranged in fluid exhaust sleeve 22 and can float on the automatic-sealed cone 31 of liquid and the taper hole guide pin bushing 32 with described automatic-sealed cone 31 fitted seal, described taper hole guide pin bushing 32 is pegged graft and is communicated in described base plate through holes 211, and described automatic-sealed cone 31 is plugged in described taper hole guide pin bushing 32.
Medicinal liquid enters the medicinal liquid gap 5 of dropping funnel shell 1 inside from the inlet of dropping funnel shell 1, medicinal liquid is up slowly gone up by the bottom of dropping funnel shell 1, while going up by fluid air vent 221 to liquid exhaust sleeve sidewall, the tension force having due to liquid self, liquid can not enter fluid air vent 221, and along with the rise of medicinal liquid, the air of dropping funnel shell 1 inside is due to the compression of the liquid level that gone up, discharge rapidly the outside of dropping funnel from fluid air vent 221, play the effect of Quick air-discharge.When liquid level increases to a certain degree, when the pressure of dropping funnel shell 1 interior liquid is greater than the tension force on medicinal liquid surface, medicinal liquid is entered the inside of fluid exhaust sleeve 22 by fluid air vent 221, the medicinal liquid liquid level of fluid exhaust sleeve 22 inside slowly goes up, in the time rising to automatic-sealed cone 31, because the material of automatic-sealed cone 31 is to adopt density to be lighter than the material of water, automatic-sealed cone 31 also floats with the rise of liquid level, automatic-sealed cone 31 is slowly opened with the seal of taper hole guide pin bushing 32, medicinal liquid can flow out from sealing mouth, just can carry out outside transfusion action.
In the time that medicinal liquid will be totally lost, the medicinal liquid liquid level of fluid exhaust sleeve 22 inside slowly declines, automatic-sealed cone 31 declines with decline liquid level, until automatic-sealed cone 31 is completely airtight with taper hole guide pin bushing 32, medicinal liquid can not flow out from taper hole guide pin bushing 32, now dropping funnel, in sealing state, avoids occurring the phenomenon of backflow of blood after medicinal liquid is totally lost.For making the better tightness of automatic-sealed cone 31 and taper hole guide pin bushing 32, taper hole guide pin bushing 32 adopts flexible glue, automatic-sealed cone 31 adopts density to be lighter than the ebonite of water, and the flexible glue of taper hole guide pin bushing 32 coordinates with the automatic-sealed cone 31 of ebonite material, can realize good sealing.Avoid ebonite to cause between ebonite and ebonite the defect cannot excellent sealing contacting because of defects such as shrinks.
The base 21 of the present embodiment also can be stairstepping, and the taper hole guide pin bushing 32 of the upper end of base 21 is one-body molded with base 21, and integrated taper hole guide pin bushing 32 is convenient to manufacture with base 21, reduces the assembly cost in later stage.
Because automatic-sealed cone 31 is to adopt the material that can float on liquid level, automatic-sealed cone 31 can be selected hollow-core construction or solid construction; Adopt hollow-core construction can strengthen the buoyancy of automatic-sealed cone 31, make the reaction of automatic-sealed cone 31 more responsive; Adopt solid construction, can be convenient to manufacturing of later stage.
The passage 222 of the present embodiment is opened in the top of described fluid exhaust sleeve 22, and described passage 222 is provided with and stops cover 35 for what stop that medicinal liquid enters near a side at fluid exhaust sleeve 22 centers.When medicinal liquid is entered the inside of fluid exhaust sleeve 22 by fluid air vent 221, the medicinal liquid liquid level of fluid exhaust sleeve 22 inside slowly goes up, discharge for the ease of the gas of fluid exhaust sleeve 22 inside, fluid exhaust sleeve 22 top offer passage 222 and just in time function as described above.Fluid exhaust sleeve 22 top offer passage 222 in, also to consider to drip when interior into dropping funnel shell 1 from the liquid outlet of dropping funnel shell 1 when medicinal liquid, medicinal liquid can drip to the end face of fluid exhaust sleeve 22, stops that cover 35 can prevent that medicinal liquid from directly flowing to fluid exhaust sleeve 22 inside from passage 222.
The inlet of described dropping funnel shell 1 is provided with side discharge opeing minim pipette, and the side of described side discharge opeing minim pipette is provided with liquid droping port.When medical personnel are in the time discharging the air of transfusion device inside with medicinal liquid, due to the physical cause of air and liquid flow, the flow velocity of air and liquid is accelerated, the liquid droping port of side discharge opeing minim pipette can make medical liquid spraying on the tube wall of dropping funnel shell 1, flow down smoothly, and can directly not rush to the end face of fluid exhaust sleeve 22.
The bottom of described base 21 is provided with filter membrane 4, and the residue of filter membrane 4 in can filtering liquid medicine, can save the outside filter connecting of transfusion device.
As preferably, described fluid air vent 221 is groove shape structure, can be also hole assembling structure, all can meet the function of this utility model Quick air-discharge, Anti-bubble.
Perfusion drip funnel of the present utility model has simple in structure, safe and reliable feature, meets the registration management standard of medical apparatus and instruments.
Embodiment bis-.
As shown in Figure 6 to 7, the difference of the present embodiment and embodiment mono-is that described fluid exhaust apparatus 2 comprises base 21 and the fluid exhaust sleeve 22 that can float on liquid, between described fluid exhaust sleeve 22 and dropping funnel shell 1, be provided with medicinal liquid gap 5, described base 21 center is provided with base plate through holes 211, and described base plate through holes 211 is communicated with the liquid outlet of dropping funnel shell 1; Described blood return preventer 3 comprises can float on the automatic-sealed cone 31 of liquid and the taper hole guide pin bushing 32 with described automatic-sealed cone 31 fitted seal, described automatic-sealed cone 31 is one-body molded with fluid exhaust sleeve 22, described taper hole guide pin bushing 32 is pegged graft and is communicated in described base plate through holes 211, and described automatic-sealed cone 31 is plugged in described taper hole guide pin bushing 32; The end face outer rim of described taper hole guide pin bushing 32 is provided with snap ring 33, and the bottom of described fluid exhaust sleeve 22 is extended with the grab 34 with described snap ring 33 mutual clampings to the inside.
The automatic-sealed cone 31 of the present embodiment is one-body molded with fluid exhaust sleeve 22.In the time that medicinal liquid enters the medicinal liquid gap 5 of dropping funnel shell 1 inside from the inlet of dropping funnel shell 1, medicinal liquid is up slowly gone up by the bottom of dropping funnel shell 1, the air of dropping funnel shell 1 inside is due to the compression of the liquid level that gone up, discharge rapidly the outside of dropping funnel from fluid air vent 221, play the effect of Quick air-discharge.
When liquid level increases to a certain degree, because automatic-sealed cone 31 and the material of fluid exhaust sleeve 22 all adopt density to be lighter than the material of water, automatic-sealed cone 31 and fluid exhaust sleeve 22 also float with the rise of liquid level, automatic-sealed cone 31 is slowly opened with the seal of taper hole guide pin bushing 32, medicinal liquid can flow out from sealing mouth, just can carry out outside transfusion action.
In the time that medicinal liquid will be totally lost, the medicinal liquid liquid level of fluid exhaust sleeve 22 inside slowly declines, automatic-sealed cone 31 declines with decline liquid level, until automatic-sealed cone 31 is completely airtight with taper hole guide pin bushing 32, medicinal liquid can not flow out from taper hole guide pin bushing 32, now dropping funnel, in sealing state, avoids occurring the phenomenon of backflow of blood after medicinal liquid is totally lost.
As preferably, the sidewall of the fluid exhaust sleeve 22 of the present embodiment offers fluid air vent 221, medicinal liquid not only can enter from the bottom opening of fluid exhaust sleeve 22, can also enter from the fluid air vent 221 of fluid exhaust sleeve 22 sidewalls, smooth and easy fluid exhaust sleeve 22 inside that enter that guarantee medicinal liquid, make this infusion process safer, smooth and easy.
The remainder of the present embodiment is identical with embodiment mono-, repeats no more here.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (8)
1. Anti-bubble, a blood return prevention Perfusion drip funnel, comprise dropping funnel shell, it is characterized in that: the inside of described dropping funnel shell is provided with fluid exhaust apparatus, and the inside of described fluid exhaust apparatus is provided with blood return preventer; Described fluid exhaust apparatus comprises base and fluid exhaust sleeve, described fluid exhaust sleeve is socketed on base, between described fluid exhaust sleeve and dropping funnel shell, be provided with medicinal liquid gap, the center of described base is provided with base plate through holes, and described base plate through holes is communicated with the liquid outlet of dropping funnel shell; The sidewall of described fluid exhaust sleeve offers fluid air vent.
2. a kind of Anti-bubble according to claim 1, blood return prevention Perfusion drip funnel, it is characterized in that: described blood return preventer comprises being arranged at and in fluid exhaust sleeve, can float on the automatic-sealed cone of liquid and the taper hole guide pin bushing with described automatic-sealed cone fitted seal, described taper hole guide pin bushing is pegged graft and is communicated in described base plate through holes, and described automatic-sealed cone is plugged in described taper hole guide pin bushing.
3. a kind of Anti-bubble according to claim 1, blood return prevention Perfusion drip funnel, it is characterized in that: described blood return preventer comprises can float on the automatic-sealed cone of liquid and the taper hole guide pin bushing with described automatic-sealed cone fitted seal, described automatic-sealed cone is one-body molded with the fluid exhaust sleeve that can float on liquid, described taper hole guide pin bushing is pegged graft and is communicated in described base plate through holes, and described automatic-sealed cone is plugged in described taper hole guide pin bushing;
The end face outer rim of described taper hole guide pin bushing is provided with snap ring, and the bottom of described fluid exhaust sleeve is extended with the grab with the mutual clamping of described snap ring to the inside.
4. according to a kind of Anti-bubble described in claim 2 or 3, blood return prevention Perfusion drip funnel, it is characterized in that: described taper hole guide pin bushing and base are one-body molded.
5. according to a kind of Anti-bubble described in claim 1 ~ 3 any one, blood return prevention Perfusion drip funnel, it is characterized in that: the top of described fluid exhaust sleeve offers passage, described passage is opened in the top of described fluid exhaust sleeve, and described passage is provided with the cover that stops for stopping that medicinal liquid enters near a side at fluid exhaust sleeve center.
6. a kind of Anti-bubble according to claim 1, blood return prevention Perfusion drip funnel, is characterized in that: the inlet of described dropping funnel shell is provided with side discharge opeing minim pipette, and the side of described side discharge opeing minim pipette is provided with liquid droping port.
7. a kind of Anti-bubble according to claim 1, blood return prevention Perfusion drip funnel, is characterized in that: the bottom of described base is provided with filter membrane.
8. a kind of Anti-bubble according to claim 1, blood return prevention Perfusion drip funnel, is characterized in that: described fluid air vent is groove shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320424586.5U CN203619973U (en) | 2013-07-17 | 2013-07-17 | Bubble-proof and anti-blood-return infusion dripping bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320424586.5U CN203619973U (en) | 2013-07-17 | 2013-07-17 | Bubble-proof and anti-blood-return infusion dripping bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203619973U true CN203619973U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320424586.5U Expired - Fee Related CN203619973U (en) | 2013-07-17 | 2013-07-17 | Bubble-proof and anti-blood-return infusion dripping bucket |
Country Status (1)
| Country | Link |
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| CN (1) | CN203619973U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730167A (en) * | 2016-12-14 | 2017-05-31 | 江苏康友医用器械有限公司 | Transfusion device liquid closes anti-blood back automatic stop valve only |
| CN106913925A (en) * | 2017-03-30 | 2017-07-04 | 苏州林华医疗器械股份有限公司 | A kind of Perfusion drip funnel and its infusion device |
| CN108744131A (en) * | 2018-06-28 | 2018-11-06 | 河南曙光汇知康生物科技股份有限公司 | A kind of self-bleeding infusion needle stand |
| CN109157702A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | Dropping funnel is used in a kind of infusion |
| CN109893707A (en) * | 2019-04-16 | 2019-06-18 | 河南曙光汇知康生物科技股份有限公司 | A kind of bubble-free, full-automatic exhaust infusion set |
-
2013
- 2013-07-17 CN CN201320424586.5U patent/CN203619973U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730167A (en) * | 2016-12-14 | 2017-05-31 | 江苏康友医用器械有限公司 | Transfusion device liquid closes anti-blood back automatic stop valve only |
| CN106913925A (en) * | 2017-03-30 | 2017-07-04 | 苏州林华医疗器械股份有限公司 | A kind of Perfusion drip funnel and its infusion device |
| CN108744131A (en) * | 2018-06-28 | 2018-11-06 | 河南曙光汇知康生物科技股份有限公司 | A kind of self-bleeding infusion needle stand |
| CN109157702A (en) * | 2018-09-27 | 2019-01-08 | 浙江新德意医疗科技股份有限公司 | Dropping funnel is used in a kind of infusion |
| CN109893707A (en) * | 2019-04-16 | 2019-06-18 | 河南曙光汇知康生物科技股份有限公司 | A kind of bubble-free, full-automatic exhaust infusion set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20170717 |