CN201022882Y - Transfusion device - Google Patents
Transfusion device Download PDFInfo
- Publication number
- CN201022882Y CN201022882Y CNU2007200628406U CN200720062840U CN201022882Y CN 201022882 Y CN201022882 Y CN 201022882Y CN U2007200628406 U CNU2007200628406 U CN U2007200628406U CN 200720062840 U CN200720062840 U CN 200720062840U CN 201022882 Y CN201022882 Y CN 201022882Y
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- China
- Prior art keywords
- drop bottle
- bottle
- needle
- valve
- catheter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a transfusion system, comprising a connector of a transfusion bottle, a catheter and an open-end air pipe which are connected with the connector of the transfusion bottle, a dropper arranged on the catheter, a flow switch, and an injection needle, the upper portion of the dropper is provided with the open-end air pipe. The utility model is characterized in that a float is arranged in the dropper, the lower portion of the float is provided with a needle rod which is matched with a needle valve in the catheter which is arranged on the lower portion of the dropper. Because the float is arranged in the dropper, a certain water column pressure can be kept after transfusion, which prevents backflow of blood.
Description
Technical field
This utility model belongs to medical apparatus and instruments, particularly a kind of transfusion device.
Background technology
Transfusion is a kind of conventional therapy means.Existing transfusion device all is to adopt disposable plastic, is made up of infusion bottle plug, catheter, air hose, drop bottle, flow switch and entry needle.This transfusion device is made venous transfusion, has some shortcomings: the one, and must in time close flow switch after having infused, otherwise can cause that blood refluxes; The 2nd, when needs of patients is infused continuously, must change bottle.Therefore, in infusion process, no matter daytime or night, patient or medical personnel will observe the transfusion situation constantly, made patient and nursing staff be easy to generate tired out sense and psychological burden, changed bottle and also brought very big trouble to nursery work, had increased workload.
The utility model content
First purpose of the present utility model is at the deficiencies in the prior art, and a kind of transfusion device that prevents that blood from refluxing is provided.
Another purpose of the present utility model is, provides a kind of blood that both can prevent to reflux, and can move the bottle transfusion device of transfusion continuously again certainly.
First purpose of the present utility model is achieved through the following technical solutions:
Transfusion device is based on existing disposable transfusion device, comprise infusion bottle plug, the catheter that links to each other with the infusion bottle plug and uncovered air hose, be located at drop bottle, flow switch and entry needle on the catheter, drop bottle top is provided with uncovered air hose, be provided with float in drop bottle, the bottom of float is provided with the shank that matches with drop bottle bottom catheter inner needle valve.
During transfusion, before medicinal liquid did not enter drop bottle, the float in the drop bottle relied on self gravitation that it is closed with the needle-valve that drop bottle bottom catheter matches, and along with medicinal liquid enters in the drop bottle, float rises gradually, and needle-valve is opened, and medicinal liquid can normal infusion through catheter; When the medicinal liquid in the medicine bottle was totally lost, the medicinal liquid in the drop bottle began to descend, and float also descends, needle-valve is closed, and drop bottle is inner to be communicated with atmosphere, makes drop bottle bottom catheter still be full of medicinal liquid, add the deadweight of float, form certain water column pressure, can prevent that vessel inner blood from refluxing.
Second purpose of the present utility model is achieved in that
Based on technique scheme, series connection increases by a drop bottle on the catheter on original drop bottle, be divided into drop bottle and following drop bottle, on last drop bottle bottom and catheter that following drop bottle is communicated with, be provided with the drain arm of check valve, be provided with air hose on last drop bottle top, the threeway needle-valve is set on this air hose, link to each other with the air arm with the uncovered air hose that is connected the first infusion bottle plug respectively by this threeway needle-valve, be provided with float in the last drop bottle, the top and the bottom of this float be provided with respectively match with last drop bottle upper air pipe and bottom catheter inner needle valve on, lower needle bar, described drain arm links to each other with the second infusion bottle plug with the air arm; Following drop bottle top is provided with uncovered air hose, is provided with float in the following drop bottle, and the bottom of float is provided with the shank that matches with following drop bottle bottom catheter inner needle valve.
Can infuse continuously two bottles with the technical program transfusion device, after the first infusion bottle medicinal liquid is totally lost, float in the last drop bottle descends with the medicinal liquid face, and the following needle-valve in the catheter of bottom is closed, and simultaneously the threeway needle-valve in the upper air pipe is opened, medicinal liquid in second infusion bottle flows along the drain arm, one-way valve opens on the drain arm, medicinal liquid enter down replenishes medicinal liquid in the drop bottle, continue transfusion, whole process is carried out automatically, does not need manually to change bottle.
Another technical scheme of the present utility model is:
On the technique scheme basis, adopt at least two drop bottles to carry out parallel connection, be provided with air hose on each drop bottle top, the threeway needle-valve is set on this air hose, by this threeway needle-valve respectively with the air hose that is connected corresponding infusion bottle plug with the air hose on the adjacent drop bottle links to each other in the back, but, the threeway needle-valve on the drop bottle upper air pipe of end respectively with the air hose that is connected corresponding infusion bottle plug with continuous with the air hose that is connected the individual infusion bottle plug in end; Each drop bottle bottom is provided with the drain arm of band check valve, and the end of this drain arm links to each other with head end at the drain arm of back on the adjacent drop bottle, and still, the drain arm of a drop bottle bottom, end links to each other with the individual infusion bottle plug in end; Be provided with float in each drop bottle, this float be respectively equipped with up and down with drop bottle upper air pipe in threeway needle-valve and the last lower needle bar that matches of the needle-valve in the catheter of bottom; The bottom catheter of the first drop bottle in the drop bottle in parallel is connected in series drop bottle, and following drop bottle top is provided with uncovered air hose, is provided with float in the infra drop bottle, and the bottom of float is provided with the shank that matches with the interior needle-valve of following drop bottle bottom catheter.
The technical program can realize the automatic infusion of three above infusion bottles, a plurality of infusion bottles adopt and are arranged in parallel, each infusion bottle plug is inserted respectively in the corresponding infusion bottle, after the first infusion bottle medicinal liquid is totally lost, float in the first drop bottle descends with the medicinal liquid face, needle-valve in the catheter of bottom is closed, simultaneously the threeway needle-valve in the upper air pipe is opened, medicinal liquid in second infusion bottle replenishes medicinal liquid by corresponding drop bottle and along the following drop bottle that the drain arm of drop bottle bottom, front flows to first drop bottle bottom, continue transfusion, thereafter infusion bottle carries out successively automatically by this process, does not need manually to change bottle.
First technical scheme of the present utility model can keep water column pressure certain in the transfusion device owing to be provided with float in drop bottle after transfusion is finished, play the effect that prevents that blood from refluxing.
Second and third technical scheme of the present utility model, owing on the basis of first technical scheme, increased drop bottle in parallel, air arm by the band valve between the drop bottle and the drain arm communicates and control mutually is to realize many bottle liquid medicines automatic continuously purpose of transfusion according to the order of sequence.Can improve transfusion efficient, relieve patient ' s burden and medical personnel's working strength.
Further specify the technical solution of the utility model below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 structural representation of the present utility model.
Fig. 2, Fig. 4 are different structure sketch maps of the present utility model.
Fig. 3 is the different operating view of Fig. 2.
Fig. 5 is a threeway needle valve structure sketch map.
Fig. 6 is the needle valve structure sketch map.
Fig. 7 is the non-return valve structural representation.
The specific embodiment
As shown in Figure 1, transfusion device comprises infusion bottle plug 2, the catheter 4 that links to each other with infusion bottle plug 2 and uncovered air hose 3, is located at drop bottle 6, flow switch 11 and entry needle 12 on the catheter 4,10, drop bottle 6 tops are provided with uncovered air hose 5, be provided with float 7 in drop bottle 6, the bottom of float 7 is provided with the shank 8 that matches with catheter 10 inner needle valves 9.
Before the transfusion, medicine bottle a inner liquid medicine 1 does not enter in the drop bottle 6, and the float 7 in the drop bottle 6 relies on self gravitation that the needle-valve 9 of catheter 10 is closed, during transfusion, along with medicinal liquid 1 enters in the drop bottle 6, float 7 rises gradually, needle-valve 9 is opened, and medicinal liquid 1 can normal infusion through catheter 10; When the medicinal liquid in the medicine bottle a 1 is totally lost, medicinal liquid in the drop bottle 6 begins to descend, float 7 also descends, needle-valve 9 is closed, drop bottle 6 inside are communicated with atmosphere, make drop bottle bottom catheter 10 still be full of medicinal liquid, add the deadweight of float 7, can form and keep certain water column pressure, vessel inner blood can not be refluxed.
Embodiment 2
As shown in Figure 2, on the basis of embodiment 1, series connection increases by a drop bottle 13 on original drop bottle 6, be divided into drop bottle 13 and following drop bottle 6, on last drop bottle 13 bottoms and catheter 18 that following drop bottle 6 is communicated with, be provided with the drain arm 17 of check valve 15, the air hose 20 on last drop bottle 13 tops is provided with threeway needle-valve 14, link to each other with air arm 16 with the uncovered air hose 3 that is connected the first infusion bottle plug 2a respectively by this threeway needle-valve 14, be provided with float 19 in the last drop bottle 13, being respectively equipped with up and down of this float 19 match with threeway needle-valves 14 and bottom catheter 18 inner needle valves 21 in the last drop bottle upper air pipe 20 on, lower needle bar 22,23, drain arm 17 links to each other with the second infusion bottle plug 2c with air arm 16.
The structure of threeway needle-valve 14 is seen Fig. 5, and the structure of needle-valve 21 is seen Fig. 6, and they all are to utilize moving up and down of shank, makes cone shape bar head and cone shape tube wall carry out switch and cooperates, and realizes the break-make of pipeline.Check valve 15 can adopt ball valve, and its structure is seen Fig. 7, and it utilizes the ball list can only direction to move and realizes the liquid one-way flow.Threeway needle-valve 14, needle-valve 21 and check valve 15 all are prior aries.
During transfusion, respectively two infusion bottle plug 2a, 2b of transfusion device are inserted in infusion bottle a, the b, when the first infusion bottle a infuses by rules, float 19 in the last drop bottle 13 rises, threeway needle-valve 14 is closed, and infusion bottle b and isolated from atmosphere only allow the medicinal liquid normal infusion in the infusion bottle a; See Fig. 3, after infusion bottle a inner liquid medicine was totally lost, the float 19 in the last drop bottle 13 descended with the medicinal liquid face, and needle-valve 21 is closed, simultaneously threeway needle-valve 14 is opened, infusion bottle b is communicated with atmosphere, and at this moment the medicinal liquid in the bottle flows along drain arm 17, and the check valve 15 on the drain arm 17 is opened, medicinal liquid enters down in the drop bottle 6, continue transfusion, whole process is carried out automatically, does not need manually to change bottle.
As shown in Figure 3, adopt two drop bottle 13a, the 13bs identical to carry out parallel connection with last drop bottle among the embodiment 2, threeway needle-valve 14a on the first drop bottle 13a, respectively with the uncovered air hose 3a that is connected infusion bottle plug 2a with link to each other with the air hose 24 that is connected infusion bottle plug 2b by air arm 16a, threeway needle-valve 14b on second drop bottle 13b, link to each other with air arm 16b with the air hose 24 that is connected infusion bottle plug 2b respectively, the drain arm 17b of air arm 16b and drop bottle 13b bottom links to each other with infusion bottle plug 2c; Drop bottle 13a in parallel, 13b bottom are respectively equipped with drain arm 17a, the 17b of band check valve 15a, 15b, the end of drain arm 17a links to each other with the head end of drain arm 17b, be respectively equipped with float 19a, 19b in drop bottle 13a, the 13b, float 19a, 19b are respectively equipped with last shank 22a, 22b and lower needle bar 23a, the 23b that matches with threeway needle- valve 14a, 14b and needle- valve 21a, 21b up and down, and the bottom catheter 18a of first drop bottle 13a is connected in series drop bottle 6.
Present embodiment can be realized the continuous automatic infusion of three infusion bottles, infusion bottle adopts and is arranged in parallel, during transfusion, respectively three infusion bottle plug 2a, 2b, the 2c of transfusion device are inserted in infusion bottle a, b, the c by rules, after first infusion bottle a inner liquid medicine is totally lost, float 19a in the drop bottle 13a descends with the medicinal liquid face, needle-valve 21a in the catheter of bottom is closed, simultaneously the threeway needle-valve 14a in the upper air pipe is opened, the medicinal liquid in the second infusion bottle b replenishes medicinal liquid by the second drop bottle 13b along the following drop bottle 6 that drain arm 17a flows to first drop bottle 13a bottom; In like manner, the 3rd infusion bottle c inner liquid medicine can enter down drop bottle 6 automatically and infuse by drain arm 17b, 17a, and whole process does not need manually to change bottle.
Claims (3)
1. transfusion device, comprise infusion bottle plug, the catheter that links to each other with the infusion bottle plug and uncovered air hose, be located at drop bottle, flow switch and entry needle on the catheter, drop bottle top is provided with uncovered air hose, it is characterized in that being provided with in drop bottle float, the bottom of float is provided with the shank that matches with drop bottle bottom catheter inner needle valve.
2. transfusion device, comprise the first infusion bottle plug, the catheter and the uncovered air hose that link to each other with the first infusion bottle plug, be located at the drop bottle on the catheter, flow switch and entry needle, it is characterized in that described drop bottle is two, be respectively drop bottle and following drop bottle, on last drop bottle bottom and catheter that following drop bottle is communicated with, be provided with the drain arm of check valve, be provided with air hose on last drop bottle top, the threeway needle-valve is set on this air hose, link to each other with the air arm with the uncovered air hose that is connected the first infusion bottle plug respectively by this threeway needle-valve, be provided with float in the last drop bottle, in the last drop bottle top and the bottom of float be provided with respectively match with last drop bottle upper air pipe and bottom catheter inner needle valve on, lower needle bar, described drain arm links to each other with the second infusion bottle plug with the air arm; Following drop bottle top is provided with uncovered air hose, is provided with float in the following drop bottle, and the bottom of float is provided with the shank that matches with following drop bottle bottom catheter inner needle valve.
3. transfusion device, comprise the first infusion bottle plug, the catheter and the uncovered air hose that link to each other with the first infusion bottle plug, be located at the drop bottle on the catheter, flow switch and entry needle, it is characterized in that described drop bottle carries out parallel connection at least two, be provided with air hose on each drop bottle top, the threeway needle-valve is set on this air hose, by this threeway needle-valve respectively with the air hose that is connected corresponding infusion bottle plug with the air hose on the adjacent drop bottle links to each other in the back, but, the threeway needle-valve on the drop bottle upper air pipe of end respectively with the air hose that is connected corresponding infusion bottle plug with continuous with the air hose that is connected the individual infusion bottle plug in end; Each drop bottle bottom is provided with the drain arm of band check valve, and the end of this drain arm links to each other with head end at the drain arm of back on the adjacent drop bottle, and still, the drain arm of a drop bottle bottom, end links to each other with the individual infusion bottle plug in end; Be provided with float in each drop bottle, this float be respectively equipped with up and down with drop bottle upper air pipe in threeway needle-valve and the last lower needle bar that matches of the needle-valve in the catheter of bottom; The bottom catheter of the first drop bottle in the drop bottle in parallel is connected in series drop bottle, and following drop bottle top is provided with uncovered air hose, is provided with float in the infra drop bottle, and the bottom of float is provided with the shank that matches with the interior needle-valve of following drop bottle bottom catheter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200628406U CN201022882Y (en) | 2007-04-02 | 2007-04-02 | Transfusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200628406U CN201022882Y (en) | 2007-04-02 | 2007-04-02 | Transfusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201022882Y true CN201022882Y (en) | 2008-02-20 |
Family
ID=39096738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200628406U Expired - Fee Related CN201022882Y (en) | 2007-04-02 | 2007-04-02 | Transfusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201022882Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172923A (en) * | 2018-08-23 | 2019-01-11 | 中山市第二人民医院 | A kind of dropper |
| CN113521444A (en) * | 2021-07-15 | 2021-10-22 | 陕西省人民医院 | A continuous infusion set with acupuncture-type sequential switching channels |
-
2007
- 2007-04-02 CN CNU2007200628406U patent/CN201022882Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109172923A (en) * | 2018-08-23 | 2019-01-11 | 中山市第二人民医院 | A kind of dropper |
| CN109172923B (en) * | 2018-08-23 | 2023-10-13 | 中山市第二人民医院 | Dropping device |
| CN113521444A (en) * | 2021-07-15 | 2021-10-22 | 陕西省人民医院 | A continuous infusion set with acupuncture-type sequential switching channels |
| CN113521444B (en) * | 2021-07-15 | 2022-06-21 | 陕西省人民医院 | A continuous infusion set with acupuncture-type sequential switching channels |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 |