CN203090068U - Drip chamber capable of automatically exhausting and stopping liquid and infusion set with drip chamber capable of automatically exhausting and stopping liquid - Google Patents
Drip chamber capable of automatically exhausting and stopping liquid and infusion set with drip chamber capable of automatically exhausting and stopping liquid Download PDFInfo
- Publication number
- CN203090068U CN203090068U CN 201320044887 CN201320044887U CN203090068U CN 203090068 U CN203090068 U CN 203090068U CN 201320044887 CN201320044887 CN 201320044887 CN 201320044887 U CN201320044887 U CN 201320044887U CN 203090068 U CN203090068 U CN 203090068U
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- Prior art keywords
- buoyancy aid
- seal
- exhaust passage
- housing
- liquid
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Abstract
The utility model discloses a drip chamber capable of automatically exhausting and stopping liquid and an infusion set with the drip chamber capable of automatically exhausting and stopping the liquid. The drip chamber capable of automatically exhausting and stopping the liquid comprises a shell body, a floating body and a sealing body, wherein the sealing body is arranged at the lower end of the floating body, the sealing body and a slope of the lower end of the shell body are sealed, an exhaust channel is formed on one side of a liquid inlet hole in the shell body, and a sealing part which is matched with the exhaust channel in a sealed mode is arranged at the corresponding position at the upper end of the floating body. Compared with an original infusion set, the infusion set with the drip chamber capable of automatically exhausting and stopping the liquid has the advantages of removing any manual operation related to exhaust of the infusion set, further being capable of carrying out precise filtration, automatic exhaust and automatic liquid stopping, delaying blood return and having the function of preventing blocking, improving safety of infusion and working efficiency of nurses, reducing working intensity of the nurses, and enabling infusion to be completely automatic and intelligent.
Description
Technical field
This utility model relates to technical field of medical instruments, is specifically related to the transfusion device that a kind of automatic vent ends the drop bucket and has this dropping funnel.
Background technology
The exhaust problem of transfusion device, exist bubble to enter problems such as conduit easily, it all is the difficult problem of puzzlement nursing industry all the time, when general infusion set has just begun in transfusion, medicinal liquid flows out from dropper by pipeline, enter dropping funnel, liquid is easily discharged the gas in the dropping funnel downwards the formation gas-liquid mixture and is entered in the pipeline, and produces bubble.Simultaneously, because of the surface tension effects of infusion pipeline inwall,, easily cause harm such as aeroembolism if the bubble that is produced enters in patient's body.So medical personnel must be artificial with the emptying as much as possible of the bubble in the catheter of transfusion system before infusing.The process of this artificial aerofluxus bubble is not only loaded down with trivial details but also time-consuming, is unfavorable for promptly infusing and giving emergency treatment to a patient.Simultaneously; in the actual clinical infusion process; medical personnel will look after the transfusion in several patients even several wards simultaneously; existence owing to buoyancy aid in the buoyancy aid transfusion device that is provided with at present can hinder the transfusion situation that medical personnel observe dropping funnel; therefore regular meeting occurs because of medical personnel; patient or family numbers of patients fail in time to observe in the infusion bottle or the medicinal liquid in the infusion unit titrimeter is totally lost; cause in time not changing infusion bottle or extracting transfusion needle; and cause once more difficult aerofluxus; even blood are back in the blood vessel in a large number, give medical personnel; patient or family numbers of patients bring heavy mental burden.
At present the used transfusion device of medical institutions mostly is the traditional infusion device greatly, and there is following shortcoming in the traditional infusion device: 1, need the manual aerofluxus of medical personnel, take time and effort and have bubble residual; 2, need repeatedly push dropping funnel in the infusion process to hold liquid.
Technical scheme for uniting automatic vent and automatic only fluidity has also proposed many all kinds of sophisticated or jejune technical schemes in recent years.For example: Chinese patent CN201120244748.8 discloses a kind of transfusion device and has ended the liquid exhaust apparatus automatically, comprise liquid medicine filter loam cake and liquid medicine filter lower cover, cover on the liquid medicine filter and be provided with liquid inlet, be provided with liquid outlet below the liquid medicine filter lower cover, be provided with between liquid medicine filter loam cake and the liquid medicine filter lower cover to filter and end liquid film, be provided with exhaustor above the described liquid medicine filter loam cake, the exhaustor outer end is in communication with the outside, inner and liquid medicine filter loam cake internal communication and and filter to end and keep between the liquid film at interval, exhaustor the inner is provided with the film that blocks water of breathing freely; The outer end of steam vent is provided with air lock.Chinese patent CN201110343706.4 discloses a kind of automatic vent and has ended the multiple-effect transfusion device of liquid, comprise dropping funnel, the dropping funnel lid, dropper, exhaust gas filter pipe and conduit are interior, wherein dropper covers one-body molded with dropping funnel and is communicated with, the bottom outside of dropping funnel is extended an incoming end, the exhaust gas filter pipe is by comprising the top, prolong pipe, filter membrane, the assembly of a base plate and a plate constitutes, its top becomes a cavity with filter membrane and base plate, this cavity is divided into filter chamber and is gone out sap cavity by a plate, going out sap cavity is communicated with the prolongation pipe, the liquid inlet of described exhaust gas filter pipe is a filter membrane, liquid outlet is for prolonging pipe, wherein, described filter membrane one side is communicated with the dropping funnel inner chamber, and filter membrane vertically is installed on the exhaust gas filter pipe, and the exhaust gas filter pipe is installed on the bottom of dropping funnel inner chamber and is communicated with conduit.
Above-mentioned two a kind of exhaustors of Chinese patent are arranged on the top of dropper, only play deflated effect, and sealing also needs the sealing-plug of manual operation outer end; Another, exhaustor is arranged on dropper inside, complex structure; Above-mentioned prior art has all proposed to have realized the self-bleeding technical scheme of transfusion device in the mode of exhaustor, also has limitation, though solved self-bleeding problem, not only complex structure is processed inconvenience, also has loaded down with trivial details operation on carrying out; Also do not reach best for the sealing of transfusion device, also have many defectives ending on the liquid problem automatically, and the unified of two above-mentioned difficult problems solves, both simple operations and excellent sealing were the medical industry expectations of always raising one's head and looking.
The utility model content
The utility model proposes a kind of automatic vent and end the drop bucket, it can overcome above-mentioned automatic exhausting anti-blood backflow infusion apparatus deficiency in use, makes the more convenient to operate of transfusion device, safety.
For this reason, this utility model provides a kind of automatic vent to end the drop bucket on the one hand, comprise housing, buoyancy aid and seal, wherein, described seal is located at the buoyancy aid lower end, described seal and the sealing of housing inclined-plane, inlet opening one side is provided with an exhaust passage on the described housing, and relevant position, described buoyancy aid upper end is provided with the sealing member with the exhaust passage fitted seal.The exhaust passage is in order to discharge the discharge of gas in the sealing dropping funnel, all is airtight cavity generally, when carrying out the secondary transfusion, cavity in the dropping funnel because liquid enter generation gas, can influence the effect of transfusion device, all can adopt usually by pinching dropping funnel and carry out aerofluxus, can influence the effect of seal.
Further, one section tapered structure in the described exhaust passage, described sealing member is the flexible glue plug, tapered structure, the pyramidal structure in described flexible glue plug and the exhaust passage realizes sealing.
Further, described sealing member is the flexible glue thin film, and described flexible glue thin film and lower end, exhaust passage fit tightly realizes sealing.
Further, an exhaust gas filter film is established in the upper end in the described exhaust passage, prevents that dust from entering in the housing.
Further, an other side of inlet opening also is provided with a dosing hole on the described housing, and described dosing hole is provided with the latex medicated cap, is used for injectable drug.
Further, described buoyancy aid comprises left buoyancy aid and right buoyancy aid, and described left and right sides buoyancy aid forms one and observes passage by superincumbent seal cover being set and being arranged on following fixed connecting piece and being connected between the buoyancy aid of the left and right sides.Observe the design of passage, avoided the interior buoyancy aid of traditional dropper to design and caused hindering the defective of observation fluid flow and flow velocity up and down, make medical worker and patient can in time clearly observe the transfusion situation.
Further, described housing cross section is square, the circumferential profile of described buoyancy aid is square and matches with the housing inner chamber, the housing of column structure and the overall structure of buoyancy aid also are square, can play the effect of positioning and guiding, avoiding sealing member and passageway seals to depart from, also can be various different shapes with guiding and positioning function and cause seal failure housing and buoyancy aid outline.
Provide a kind of automatic vent to end the drop bucket according to another goal of the invention of the present utility model, comprise housing, buoyancy aid and seal, wherein, described seal is located at the buoyancy aid lower end, described seal and the sealing of housing inclined-plane, inlet opening one side is provided with an exhaust passage on the described housing, and relevant position, described buoyancy aid upper end is provided with the sealing member with the exhaust passage fitted seal; One section tapered structure in the described exhaust passage, described sealing member is the flexible glue plug, tapered structure; An exhaust gas filter film is established in the upper end in the described exhaust passage; An other side of inlet opening also is provided with a dosing hole on the described housing; Described buoyancy aid comprises left buoyancy aid and right buoyancy aid, and described left and right sides buoyancy aid forms one and observes passage by superincumbent seal cover being set and being arranged on following fixed connecting piece and being connected between the buoyancy aid of the left and right sides; Described housing cross section is square, and the circumferential profile of described buoyancy aid is square.Provide a kind of automatic vent to end the liquid transfusion device according to a goal of the invention more of the present utility model, described transfusion device comprises that above-mentioned any automatic vent ends the drop bucket.
This utility model transfusion device operation principle is: under the situation of transfusion device in normal infusion, liquid remains certain altitude in the housing, and at this moment, the sealing member on the buoyancy aid and the exhaust passage of housing directly form confined space, no matter how to rock, can not lose closing function; When transfusion finished, the liquid in the dropper reduced, and buoyancy aid is descending, the seal of buoyancy aid lower end and the sealing of housing inclined-plane, and at this moment, the sealing member of buoyancy aid upper end breaks away from the exhaust passage and is in and the extraneous state that communicates; When secondary is infused, initially, owing to keep unimpeded with extraneous in the dropper, liquid is easy to flow in the dropper, and does not need manual aerofluxus, and the liquid in dropper is to certain altitude, buoyancy aid is up, the seal of buoyancy aid lower end and housing skew wall break away from, and the sealing member of buoyancy aid upper end is up and from the movable sealing discharge duct, also need not manually to seal medicated cap.
The beneficial effects of the utility model: 1, saved any manual operations relevant in the transfusion device operation with aerofluxus.A, transfusion device described in the utility model do not have just can finish aerofluxus with dropping funnel or the relevant any manual operations of aerofluxus that ends the liquid bucket, have removed the trouble that the automatic-exhaust transfusion device that in the past had also needs the opening and closing sealing plug from; B, in addition is provided with exhaust gas filter mechanism in this utility model, in case will get rid of this portion gas automatically during the tube for transfusion air inlet down, removed the trouble of manual eliminating gas from.2, blood return prevention function-stable.After transfusion was dripped to the greatest extent, the seal below the buoyancy aid not only can seal inlet automatically, thereby makes the implementation closed state in the tube for transfusion, has prevented the generation of blood back.And after the sealing of seal and inlet, though it stand how the order of severity vibrations, rock, perhaps experience interval how long does not obtain handling, and can not make the effect of its loss of seal.Use liquid medicine filtering membrane then can not stand such test as the only liquid transfusion device that ends liquid film.3, the seal cover right-hand member is provided with the exhaust passage, is provided with the sealing member that cooperates with the relevant position, exhaust passage and carries out aerofluxus and sealing.
Description of drawings
Constitute this description a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment of the present utility model, and be used for illustrating principle of the present utility model with description.Among the figure:
Fig. 1 is the structural representation that ends the liquid valve according to automatic vent of the present utility model;
Fig. 2 is the another kind of structural representation that ends the liquid valve according to automatic vent of the present utility model;
Fig. 3 is the structural representation that ends liquid valve housing upper end according to automatic vent of the present utility model;
Fig. 4 is the structural representation that ends the buoyancy aid of liquid valve according to automatic vent of the present utility model;
Fig. 5 is the another kind of structural representation that ends the buoyancy aid of liquid valve according to automatic vent of the present utility model;
Fig. 6 is buoyancy aid and the sealed body structure sketch map that ends the liquid valve according to automatic vent of the present utility model;
Fig. 7 is the plan structure sketch map that ends the buoyancy aid of liquid valve according to automatic vent of the present utility model;
Fig. 8 is the plan structure sketch map that ends the seal cover of liquid valve according to automatic vent of the present utility model;
Fig. 9 is the structural representation that ends the left and right sides buoyancy aid of liquid valve according to automatic vent of the present utility model;
Figure 10 is the another kind of structural representation that ends the left and right sides buoyancy aid of liquid valve according to automatic vent of the present utility model;
Figure 11 is the structural representation that ends the fixed connecting piece of liquid valve according to automatic vent of the present utility model;
Figure 12 is the structural representation that the automatic vent of second embodiment of the present utility model ends the liquid transfusion device.
Reference numeral is expressed as among the figure:
1 is that housing, 2 is that buoyancy aid, 21 is that left buoyancy aid, 22 is that right buoyancy aid, 23 is that seal cover, 24 is that fixed connecting piece, 25 is that observation passage, 3 is that seal, 4 is that exhaust passage, 5 is that sealing member, 51 is that flexible glue plug, 52 is that flexible glue thin film, 6 is that exhaust gas filter film, 7 is that dosing hole, 8 is the latex medicated cap.
The specific embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that this utility model can be defined by the claims and cover is implemented.
First embodiment
Referring to figs. 1 to Figure 11, present embodiment provides a kind of automatic vent as shown in Figure 1 to end the drop bucket, comprise housing 1, buoyancy aid 2 and seal 3, wherein, described seal 3 is located at buoyancy aid 2 lower ends, described seal 3 and the sealing of housing 1 inclined-plane, inlet opening one side is provided with an exhaust passage 4 on the described housing 1, and relevant position, described buoyancy aid 2 upper end is provided with the sealing member 5 with exhaust passage 4 fitted seal.Above-mentioned exhaust passage 4 is in order to discharge the discharge of gas in the sealing dropping funnel, general all is airtight cavity, when carrying out the secondary transfusion, cavity in the dropping funnel because liquid enter generation gas, can influence the effect of transfusion device, usually all can adopt by pinching dropping funnel and carry out aerofluxus, can influence the effect of seal; During work, described sealing member 5 under buoyancy up realization to the sealing of dropping funnel; It is in described exhaust passage 4 interior one section tapered structure that this utility model as shown in Figure 4 adopts a kind of scheme, described sealing member 5 is a flexible glue plug 51, tapered structure, described flexible glue plug 51 tapered structures and exhaust passage 4 interior one section tapered structure form sealing function; Another encapsulation scheme as shown in Figure 5 is that described sealing member 5 is flexible glue thin film 52, fits tightly with 4 lower ends, exhaust passage and realizes sealing; An exhaust gas filter film 6 is established in the upper end in the described exhaust passage 4, prevents that dust from entering in the housing; An other side of inlet opening also is provided with a dosing hole 7 on the described housing 1, and described dosing hole 7 is provided with latex medicated cap 8, is used for injectable drug; Described buoyancy aid 2 as shown in Figure 4 comprises left buoyancy aid 21 and right buoyancy aid 22, described left and right sides buoyancy aid is by being provided with superincumbent seal cover 23 and being arranged on following fixed connecting piece 24 and being connected, between the buoyancy aid of the left and right sides, form one and observe passage 25, avoid the interior buoyancy aid of traditional dropper to design and caused hindering the defective of observation fluid flow and flow velocity up and down, made medical worker and patient can in time clearly observe the transfusion situation; Left and right sides buoyancy aid also can be illustrated in figure 9 as centrosymmetric two trapezium structures and constitute, and also can constitute for centrosymmetric two semicircular structures as shown in figure 10; Described housing 1 cross section is square, the circumferential profile of described buoyancy aid 2 is square, match with housing 1 inner chamber, the housing 1 of column structure also is square with the overall structure of buoyancy aid 2, can play the effect of positioning and guiding, avoiding sealing member and passageway seals to depart from, also can be various different shapes with guiding and positioning function and cause seal failure housing and buoyancy aid outline.
Second embodiment
With reference to figure 1 and Figure 12, a kind of automatic vent as shown in figure 12 ends the liquid transfusion device, comprise perforator 200, conduit 300, end drop bucket 100, venous needle 400 etc. automatically, as shown in Figure 1 comprise housing 1, buoyancy aid 2 and seal 3, wherein, described seal 3 is located at buoyancy aid 2 lower ends, described seal 3 and the sealing of housing 1 inclined-plane, inlet opening one side is provided with an exhaust passage 4 on the described housing 1, and relevant position, described buoyancy aid 2 upper end is provided with the sealing member 5 with exhaust passage 4 fitted seal; Described exhaust passage 4 interior one section tapered structure, described sealing member 5 is a flexible glue plug 51, tapered structure; An exhaust gas filter film 6 is established in the upper end in the described exhaust passage 4, prevents that dust from entering; An other side of inlet opening also is provided with a dosing hole 7 on the described housing 1; Described buoyancy aid 2 comprises left buoyancy aid 21 and right buoyancy aid 22, and described left and right sides buoyancy aid forms one and observes passage 25 by superincumbent seal cover 23 being set and being arranged on following fixed connecting piece 24 and being connected between the buoyancy aid of the left and right sides; Described housing 1 cross section is square, and the circumferential profile of described buoyancy aid 2 is square.
Under the situation of transfusion device in normal infusion, liquid remains certain altitude in the housing 1, and at this moment, the sealing member 5 on the buoyancy aid 2 directly forms confined space with the exhaust passage 4 of housing 1, no matter how to rock, and can not lose closing function; When transfusion finished, the liquid in the dropper reduced, and buoyancy aid 2 is descending, the seal 3 of buoyancy aid 2 lower ends and the sealing of housing 1 inclined-plane, and at this moment, the sealing member 5 of buoyancy aid 2 upper ends breaks away from exhaust passage 4 and is in and the extraneous state that communicates; When secondary is infused, initially, owing to keep unimpeded with extraneous in the dropper, liquid is easy to flow in the dropper, and does not need manual aerofluxus, and the liquid in dropper is to certain altitude, buoyancy aid 2 is up, the seal 3 of buoyancy aid 2 lower ends breaks away from housing 1 skew wall, and the sealing member of buoyancy aid 2 upper ends 5 is up and from movable sealing discharge duct 4, also need not manually to seal medicated cap.
Be preferred embodiment of the present utility model only below, be not limited to this utility model, for a person skilled in the art, this utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. an automatic vent ends the drop bucket, comprise housing, buoyancy aid and seal, wherein, described seal is located at the buoyancy aid lower end, described seal and the sealing of housing inclined-plane, it is characterized in that: inlet opening one side is provided with an exhaust passage on the described housing, and relevant position, described buoyancy aid upper end is provided with the sealing member with the exhaust passage fitted seal.
2. automatic vent according to claim 1 ends the drop bucket, it is characterized in that: one section tapered structure in the described exhaust passage, and described sealing member is the flexible glue plug, tapered structure, the pyramidal structure in described flexible glue plug and the exhaust passage realizes sealing.
3. automatic vent according to claim 1 ends the drop bucket, it is characterized in that: described sealing member is the flexible glue thin film, and described flexible glue thin film and lower end, exhaust passage fit tightly realizes sealing.
4. automatic vent according to claim 1 ends the drop bucket, it is characterized in that: an exhaust gas filter film is established in the upper end in the described exhaust passage.
5. automatic vent according to claim 1 ends the drop bucket, it is characterized in that: an other side of inlet opening also is provided with a dosing hole on the described housing, and described dosing hole is provided with the latex medicated cap, is used for injectable drug.
6. automatic vent according to claim 1 ends the drop bucket, it is characterized in that: described buoyancy aid comprises left buoyancy aid and right buoyancy aid, described left and right sides buoyancy aid forms one and observes passage by superincumbent seal cover being set and being arranged on following fixed connecting piece and being connected between the buoyancy aid of the left and right sides.
7. automatic vent according to claim 1 ends the drop bucket, it is characterized in that: described housing cross section is square, and the circumferential profile of described buoyancy aid is square and matches with the housing inner chamber.
8. an automatic vent ends the drop bucket, comprise housing, buoyancy aid and seal, wherein, described seal is located at the buoyancy aid lower end, described seal and the sealing of housing inclined-plane, it is characterized in that: inlet opening one side is provided with an exhaust passage on the described housing, and relevant position, described buoyancy aid upper end is provided with the sealing member with the exhaust passage fitted seal; One section tapered structure in the described exhaust passage, described sealing member is the flexible glue plug, tapered structure; An exhaust gas filter film is established in the upper end in the described exhaust passage; An other side of inlet opening also is provided with a dosing hole on the described housing; Described buoyancy aid comprises left buoyancy aid and right buoyancy aid, and described left and right sides buoyancy aid forms one and observes passage by superincumbent seal cover being set and being arranged on following fixed connecting piece and being connected between the buoyancy aid of the left and right sides; Described housing cross section is square, and the circumferential profile of described buoyancy aid is square.
9. an automatic vent ends the liquid transfusion device, it is characterized in that: described transfusion device comprises that arbitrary automatic vent ends the drop bucket in the claim 1 ~ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044887 CN203090068U (en) | 2013-01-25 | 2013-01-25 | Drip chamber capable of automatically exhausting and stopping liquid and infusion set with drip chamber capable of automatically exhausting and stopping liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320044887 CN203090068U (en) | 2013-01-25 | 2013-01-25 | Drip chamber capable of automatically exhausting and stopping liquid and infusion set with drip chamber capable of automatically exhausting and stopping liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203090068U true CN203090068U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320044887 Withdrawn - After Issue CN203090068U (en) | 2013-01-25 | 2013-01-25 | Drip chamber capable of automatically exhausting and stopping liquid and infusion set with drip chamber capable of automatically exhausting and stopping liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203090068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103055376A (en) * | 2013-01-25 | 2013-04-24 | 戴建达 | Automatic air-exhausting and fluid-stopping dropper and infusion apparatus provided with same |
-
2013
- 2013-01-25 CN CN 201320044887 patent/CN203090068U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103055376A (en) * | 2013-01-25 | 2013-04-24 | 戴建达 | Automatic air-exhausting and fluid-stopping dropper and infusion apparatus provided with same |
| CN103055376B (en) * | 2013-01-25 | 2015-03-11 | 林泽 | Automatic air-exhausting and fluid-stopping dropper and infusion apparatus provided with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20150311 |
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| RGAV | Abandon patent right to avoid regrant |