CN202314654U - Double-filtration blood return prevention infusion apparatus - Google Patents
Double-filtration blood return prevention infusion apparatus Download PDFInfo
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- CN202314654U CN202314654U CN2011204256381U CN201120425638U CN202314654U CN 202314654 U CN202314654 U CN 202314654U CN 2011204256381 U CN2011204256381 U CN 2011204256381U CN 201120425638 U CN201120425638 U CN 201120425638U CN 202314654 U CN202314654 U CN 202314654U
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- blood return
- return preventing
- filtration blood
- flexible pipe
- double filtration
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Abstract
The utility model provides a double-filtration blood return prevention infusion apparatus, belongs to the technical field of machinery, and solves the problems of poor safety performance, troublesome use, unique function and the like existing in the conventional double-filtration blood return prevention infusion apparatus. The double-filtration blood return prevention infusion apparatus comprises a puncture outfit, a dripping bucket, a flow regulator and a venous needle, wherein the puncture outfit, the dripping bucket, the flow regulator and the venous needle are connected in series in sequence through a hose; the dripping bucket comprises a cylindrical tube body; the upper end of the tube body is connected with the puncture outfit through the hose and is provided with a filtration structure; the side part of the tube body is provided with a medicine adding structure in which a syringe can be inserted to add medicines; and the lower end of the tube body is connected with the venous needle through the hose and the flow regulator is arranged on the hose section. The double-filtration blood return prevention infusion apparatus has the characteristics of complete functions, high applicability, convenience for use, high safety performance and the like.
Description
Technical field
This utility model belongs to field of mechanical technique, relates to a kind of transfusion device, particularly a kind of double filtration blood return preventing infusion device.
Background technology
Along with the continuous development of infusion techn and the raising day by day of clinical requirement, produced some in succession and can be adapted to the transfusion device of special clinical requirement.Automatically the solution stopping transfusion device is exactly a kind of medical treatment consumptive materials that replaces the new disposable of general infusion set.
Automatically the solution stopping transfusion device still need carry out the gravity transfusion, but its characteristics are when the fast infusion of liquid is intact; Automatically solution stopping avoids the air admission vein to hold back the transfusion residual liquid automatically automatically, makes transfusion device under no artificial interferential situation; Still can reserve part liquid; Thereby stop air after liquid is totally lost, to get into human body, greatly reduced nurse's work, reduced doctor-patient dispute.It is mainly used in intravenous drip and venous transfusion, extensive use clinically.
Under the atmospheric pressure effect, liquid flows into a thinner infusion tube and forms water column in the bottle, and when water column pressure during greater than venous pressure, the flow of liquid in the bottle is gone into vein.When the fast infusion of medicinal liquid was intact, under the tensile effect of filter membrane surface in automatic solution stopping device, venous pressure and gravitative pressure active force and filter membrane equalization of strain in the transfusion tube wall were held back residual liquid, reach the function of automatic solution stopping.
Existing automatic solution stopping transfusion device only has a puncture portion, and therefore, when requiring (need two kinds of medicinal liquids be mixed transfusion) for some special transfusions, transfusion set just can't reach requirement.It is infused by transfusion set after can only in advance medicinal liquid being mixed again, obviously, makes transfusion device use not very trouble like this.
Usually directly medicinal liquid is added medicine bottle when simultaneously, annotating medicinal liquid.Must before transfusion, medicinal liquid be added, add the trouble that so also seems for some low dose of medicinal liquids.
Its publication number of Chinese patent CN201223594Y provides a kind of " disposable use blood return preventing infusion device ", and it has just increased female luer on the general infusion set basis, and is merely able to carry out dosing at the drug feeding device place during dosing.In some specific transfusion occasion, make dosing seem very inconvenient like this.And during for the mixing transfusion, it also is before transfusion, medicinal liquid to be mixed.
Existing other transfusion devices also exist similar problem.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist to prior art, provides a kind of suitability high, suitable double filtration blood return preventing infusion device easily.
The purpose of this utility model can realize through following technical proposal:
The double filtration blood return preventing infusion device; Comprise perforator, dropping funnel, flow regulator and intravenous needle; Described perforator, dropping funnel, flow regulator and intravenous needle are cascaded through flexible pipe successively; It is characterized in that said dropping funnel comprises tubular body, said body upper end links through flexible pipe and perforator and is provided with filtration in the body upper end; Said body sidepiece has the dosing structure that can supply syringe insertion dosing, and said body lower end links through flexible pipe and above-mentioned intravenous needle and above-mentioned flow regulator is arranged at this flexible tube section.
Perforator punctures in the medicine bottle in transfusion device, and the medicinal liquid in the medicine bottle gets into the intravenous needle place, thereby realized transfusion through perforator, dropping funnel, flow regulator successively.
In the infusion process, can change the liquid outlet quantity at intravenous needle place through flow regulator.Can make the medicinal liquid that gets into the intravenous needle place obtain filtering owing to have filtration on the dropping funnel, simultaneously, can easily other medicinal liquids be added the dropping funnel place through the dosing structure.
In above-mentioned double filtration blood return preventing infusion device; Described filtration comprises that solid is connected in the lower cover of body upper end; Be connected with loam cake on the said lower cover, said loam cake covers the liquid-through hole that all has alignment with following, is provided with filter membrane between described loam cake and the lower cover.
Through in the process, filter membrane filters medicinal liquid medicinal liquid through two liquid-through holes.
In above-mentioned double filtration blood return preventing infusion device, cover on described and have steam vent, described steam vent place is provided with air filter.
Make the medicinal liquid at dropping funnel place at dropping funnel place can be smooth and easy flow through air filter, guarantee that simultaneously the medicinal liquid in the dropping funnel is pure.
In above-mentioned double filtration blood return preventing infusion device, said covering down has recessed Connection Block, and above-mentioned loam cake and filter membrane all are positioned at the Connection Block place, and filter membrane is pressed between loam cake and the lower cover and with liquid-through hole and intercepts.
Make loam cake be connected firmly with lower cover through Connection Block, certainly, such structure also makes filter membrane by firm fixing.
In above-mentioned double filtration blood return preventing infusion device, the dosing hole of described dosing structure for covering down, the inner in dosing hole communicates with body, and the dosing outer end of hole is positioned at the lower cover outside and is provided with flexible Capsule at this end.
In the time of need carrying out dosing, syringe needle passes Capsule and thrusts dosing hole place and can carry out dosing.After dosing finishes, have elasticity and the dosing hole is blocked, make medicinal liquid can not leak by place, dosing hole with flexible Capsule.
In above-mentioned double filtration blood return preventing infusion device, described Capsule is processed by latex material.
In above-mentioned double filtration blood return preventing infusion device, described Capsule is processed by materials such as rubber or synthetic rubber.
In above-mentioned double filtration blood return preventing infusion device, the quantity of described perforator is two, and the flexible pipe between said perforator and the dropping funnel is Y-shaped, and the lower end and the dropping funnel of Y shape flexible pipe link, and two upper ends of Y shape flexible pipe link with corresponding perforator respectively.
Such structure makes the dropping funnel place can get into two kinds of medicinal liquids that mix.Certainly, also can one of them perforator be connected with medicine bottle, use as transfusion set.
In above-mentioned double filtration blood return preventing infusion device, said Y shape flexible pipe upper end is equipped with the liquid stopping clamp that can regulate its flow.Can medicinal liquid blocked or changes the medicinal liquid flow that gets into the dropping funnel place through liquid stopping clamp, common flow control valve be identical in the structure of liquid stopping clamp and the transfusion device here.
In above-mentioned double filtration blood return preventing infusion device, the flexible pipe between said flow regulator and the intravenous needle is provided with female luer, and described female luer place has the filter membrane that is used for filtering liquid medicine.Adopt this structure to make that intravenous needle can firm being connected with flexible pipe, and can filter medicinal liquid through this filter membrane.
In above-mentioned double filtration blood return preventing infusion device, the flexible pipe between said female luer and the flow regulator is provided with drug feeding device.
In above-mentioned double filtration blood return preventing infusion device, the two ends of described drug feeding device link with flexible pipe respectively and have the dosing mouth that can supply syringe to thrust at the drug feeding device sidepiece.
Syringe thrusts that dosing mouth is internal energy directly to add the intravenous needle place with other medicinal liquids, and certainly, medicinal liquid is to be added or the drug feeding device place adds according to actual operating position decision by the dropping funnel place.
Compared with prior art, therefore this double filtration blood return preventing infusion device, can be chosen in above-mentioned two positions according to reality transfusion situation and carry out dosing owing to all can realize dosing at dropping funnel place and drug feeding device place, and the suitability is than higher.
Simultaneously,, can use two medicine bottles simultaneously during transfusion, satisfy some specific transfusion requirements, have higher utility owing to have two perforators.
Description of drawings
Fig. 1 is the structural representation of this double filtration blood return preventing infusion device.
Fig. 2 is the sectional structure sketch map at dropping funnel place in this double filtration blood return preventing infusion device.
Among the figure, 1, perforator; 2, dropping funnel; 2a, body; 2b, loam cake; 2c, lower cover; 2c1, Connection Block; 2d, air filter; 2e, dosing hole; 3, flow regulator; 4, intravenous needle; 5, liquid-through hole; 6, filter membrane; 7, Capsule; 8, liquid stopping clamp; 9, female luer; 10, drug feeding device; 10a, dosing mouth.
The specific embodiment
As shown in Figure 1, this double filtration blood return preventing infusion device comprises perforator 1, dropping funnel 2, flow regulator 3 and intravenous needle 4, and perforator 1, dropping funnel 2, flow regulator 3 and intravenous needle 4 are cascaded through flexible pipe successively.
As depicted in figs. 1 and 2, dropping funnel 2 comprises tubular body 2a, and said body 2a upper end links through flexible pipe and perforator 1 and is provided with filtration in body 2a upper end, and said body 2a sidepiece has the dosing structure that can supply syringe insertion dosing.
Flow regulator is arranged on the flexible pipe between body 2a lower end and the intravenous needle 4.Filtration comprises that solid is connected in the lower cover 2c of body 2a upper end, is connected with loam cake 2b on the said lower cover 2c, all has the liquid-through hole 5 of alignment on said loam cake 2b and the lower cover 2c, is provided with filter membrane 6 between described loam cake 2b and the lower cover 2c.
Have steam vent on the loam cake 2b, described steam vent place is provided with air filter 2d.Have recessed Connection Block 2c1 on the lower cover 2c, above-mentioned loam cake 2b and filter membrane 6 all are positioned at Connection Block 2c1 place, and filter membrane 6 is pressed between loam cake 2b and the lower cover 2c and liquid-through hole 5 is intercepted.The dosing structure is the dosing hole 2e on the lower cover 2c, and the inner of dosing hole 2e communicates with body 2a, and 2e outer end, dosing hole is positioned at the lower cover 2c outside and is provided with flexible Capsule 7 at this end.In the present embodiment, Capsule 7 is processed by latex material, and certainly according to practical situation, it also is feasible that Capsule 7 is processed by elastomeric material.
The quantity of perforator 1 is for being two, and the flexible pipe between said perforator 1 and the dropping funnel 2 is Y-shaped, and the lower end and the dropping funnel 2 of Y shape flexible pipe link, and two upper ends of Y shape flexible pipe link with corresponding perforator 1 respectively.Y shape flexible pipe upper end is equipped with the liquid stopping clamp 8 that can regulate its flow.Can medicinal liquid blocked or changes the medicinal liquid flow that gets into the dropping funnel place through liquid stopping clamp 8, common flow control valve be identical in the structure of liquid stopping clamp 8 and the transfusion device here.Flexible pipe between flow regulator 3 and the intravenous needle 4 is provided with female luer 9.Flexible pipe between female luer 9 and the flow regulator 3 is provided with drug feeding device 10.The two ends of drug feeding device 10 link with flexible pipe respectively and have the dosing mouth 10a that can supply syringe to thrust at drug feeding device 10 sidepieces.
Two perforators 1 can puncture in the corresponding medicine bottle simultaneously in transfusion device, and the medicinal liquid in the medicine bottle gets into intravenous needle 4 places through perforator 1, dropping funnel 2, flow regulator 3 successively, thereby realizes transfusion.
In the infusion process, can change the flow that gets into dropping funnel 2 places or medicinal liquid is blocked, make the medicinal liquid that has only one of them perforator 1 place get into dropping funnel 2 and use as general infusion set through liquid stopping clamp 8.Flow regulator 3 can change the liquid outlet quantity at intravenous needle place.Can guarantee under air filter 2d effect when medicinal liquid is flowed through dropping funnel 2 that the smooth and easy mobile while of medicinal liquid can also guarantee that it is pure, make filtered liquid medicine entering intravenous needle 4 places down in filter membrane 6 effects.All dosing can be realized at dropping funnel 2 with drug feeding device 10 places in the whole transfusion device, therefore, all dosing can be realized according to transfusion device use occasion and arbitrary position of above-mentioned two positions that do not coexist of transfusion requirement.
Claims (10)
1. double filtration blood return preventing infusion device; Comprise perforator (1), dropping funnel (2), flow regulator (3) and intravenous needle (4); Described perforator (1), dropping funnel (2), flow regulator (3) and intravenous needle (4) are cascaded through flexible pipe successively; It is characterized in that said dropping funnel (2) comprises tubular body (2a), said body (2a) upper end links through flexible pipe and perforator (1) and is provided with filtration in body (2a) upper end; Said body (2a) sidepiece has the dosing structure that can supply syringe insertion dosing, and said body (2a) lower end links through flexible pipe and above-mentioned intravenous needle (4) and above-mentioned flow regulator (3) is arranged at this flexible tube section.
2. double filtration blood return preventing infusion device according to claim 1; Described filtration comprises that solid is connected in the lower cover (2c) of body (2a) upper end; Be connected with loam cake (2b) on the said lower cover (2c); The liquid-through hole that all has alignment on said loam cake (2b) and the lower cover (2c) is provided with filter membrane (6) between described loam cake (2b) and the lower cover (2c).
3. double filtration blood return preventing infusion device according to claim 2 has steam vent on the described loam cake (2b), and described steam vent place is provided with air filter (2d).
4. double filtration blood return preventing infusion device according to claim 2; Has recessed Connection Block (2c1) on the said lower cover (2c); Above-mentioned loam cake (2b) and filter membrane (6) all are positioned at Connection Block (2c1) to be located, and filter membrane (6) is pressed between loam cake (2b) and the lower cover (2c) and with liquid-through hole and intercepts.
5. according to claim 2 or 3 or 4 described double filtration blood return preventing infusion devices; Described dosing structure is the dosing hole (2e) on the lower cover (2c); The inner in dosing hole (2e) communicates with body (2a), and outer end, dosing hole (2e) is positioned at lower cover (2c) outside and is provided with flexible Capsule (7) at this end.
6. double filtration blood return preventing infusion device according to claim 5, described Capsule (7) is processed by latex material.
7. double filtration blood return preventing infusion device according to claim 6, described Capsule (7) is processed by materials such as rubber or synthetic rubber.
8. according to claim 1 or 2 or 3 or 4 described double filtration blood return preventing infusion devices; The quantity of described perforator (1) is two; Flexible pipe between said perforator (1) and the dropping funnel (2) is Y-shaped; The lower end of Y shape flexible pipe and dropping funnel (2) link, and two upper ends of Y shape flexible pipe link with corresponding perforator (1) respectively.
9. double filtration blood return preventing infusion device according to claim 8, said Y shape flexible pipe upper end is equipped with the liquid stopping clamp (8) that can regulate its flow.
10. according to claim 1 or 2 or 3 or 4 described double filtration blood return preventing infusion devices, the flexible pipe between said flow regulator (3) and the intravenous needle (4) is provided with female luer (9), and described female luer (9) locates to have the filter membrane that is used for filtering liquid medicine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204256381U CN202314654U (en) | 2011-11-01 | 2011-11-01 | Double-filtration blood return prevention infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204256381U CN202314654U (en) | 2011-11-01 | 2011-11-01 | Double-filtration blood return prevention infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202314654U true CN202314654U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204256381U Expired - Lifetime CN202314654U (en) | 2011-11-01 | 2011-11-01 | Double-filtration blood return prevention infusion apparatus |
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| Country | Link |
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| CN (1) | CN202314654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477777A (en) * | 2016-01-15 | 2016-04-13 | 上海宝舜医疗器械有限公司 | Bubble prevention three-way structure used for disposable infusion apparatus |
-
2011
- 2011-11-01 CN CN2011204256381U patent/CN202314654U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105477777A (en) * | 2016-01-15 | 2016-04-13 | 上海宝舜医疗器械有限公司 | Bubble prevention three-way structure used for disposable infusion apparatus |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |
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| CX01 | Expiry of patent term |