CN203355050U - Automatic safe opening and closing device and infusion device with same - Google Patents
Automatic safe opening and closing device and infusion device with same Download PDFInfo
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- CN203355050U CN203355050U CN 201320436547 CN201320436547U CN203355050U CN 203355050 U CN203355050 U CN 203355050U CN 201320436547 CN201320436547 CN 201320436547 CN 201320436547 U CN201320436547 U CN 201320436547U CN 203355050 U CN203355050 U CN 203355050U
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- seal
- dropping funnel
- buoyancy aid
- headstock gear
- safety automation
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Abstract
The utility model discloses an automatic safe opening and closing device and an infusion device with the automatic safe opening and closing device. The automatic safe opening and closing device comprises a drip chamber, a floating body and a sealing body, wherein the floating body and the sealing body are placed in the drip chamber, the sealing body is installed at the lower end of the floating body, and the seal body makes contact with a liquid outlet formed in the bottom end of the drip chamber horizontally to seal the liquid outlet. The automatic safe opening and closing device further comprises a connecting body, one end of the connecting body is connected to the sealing body, and the other end of the connecting body is connected with the bottom of the drip chamber. The automatic safe opening and closing device aims at continuous use, can ensure automatic seal when an infusion bottle is exchanged or infusion is nearly finished, can rise automatically in the second infusion process to prevent air from entering the body of a patient, prevents repetitive operation, avoids blood return, improves reliability of sealing of an infusion pipeline, and further improves safety. The automatic safe opening and closing device not only has a good blocking effect, but also can remove blocking for continuous use and is simple in structure.
Description
Technical field
This utility model relates to and a kind ofly to clinical patients, carries out the venous transfusion medical apparatus and instruments, and a kind of safety automation stops the liquid transfusion device specifically.
Background technology
While at present the patient being carried out to venous transfusion, be widely used disposable infusion set, mainly formed by bottle plug puncture unit, air inlet device, dropping funnel, flow regulator, liquid medicine filter, venoclysis needle and some connecting ducts.Under the atmospheric pressure effect, in bottle, the thinner infusion tube of liquid runs down flows into dropping funnel, and when the dropping funnel water column pressure is greater than venous pressure, the liquid runs down flexible pipe in bottle flows into vein.In infusion process, need the person of accompanying and attending to pay close attention to the liquid level of medicinal liquid, otherwise, be down to the dropper lower end when the liquid level of medicinal liquid, gas enters lower end, as gas splashes into blood vessel, easily causes air embolism, and threat to life safety, lead to malpractice.
In order to address the above problem the raising day by day with clinical requirement, in succession produced some and can be adapted to the transfusion device of special clinical requirement.The safety automation headstock gear is exactly a kind of medical treatment consumptive materials that replaces the new disposable of general infusion set.The safety automation headstock gear, still need to carry out gravity infusion, but its characteristics be when the fast infusion of liquid is complete, can automatic liquid-stopping, automatically avoid air to enter vein.
Chinese utility model patent ZL201210284440.5 safety automation liquid-controlled open-close valve, described safety automation liquid-controlled open-close valve is placed in dropping funnel, it is characterized in that, comprising: valve body, valve gap, upper float and seal; Described valve body comprises a frustum section, and the liquid outlet on described valve body is fixedly connected with the liquid outlet in dropping funnel; Described valve gap center is provided with the through hole that the buoyancy aid connecting rod passes through, and described valve gap snaps onto on valve body; Described upper float is connected with the buoyancy aid connecting rod of seal by hollow, and described upper float is placed in outside valve body; Described seal is frustum, is placed in valve body; Wherein, the sealing surface on described seal contacts the realization sealing with the inclined-plane on valve body frustum section.
Above-mentioned patent can be carried out self-sealing, prevent that air from entering in patient body, the situation that blood back occurs, but when special circumstances occurring, transfusion for the first time finishes, when infusing for the second time, because buoyancy is large not or other reasons causes buoyancy aid can't drive seal rising, will consider to replace tube for transfusion, like this will repetitive operation, to patient, make troubles, and complex structure.
Shortcoming in view of prior art, providing a kind of can use continuously, while finishing with transfusion when the transposing infusion bottle, can guarantee automatic-sealed nearly, can automatic-ascending in transfusion for the second time, prevent that air from entering in patient body, prevent repetitive operation, avoid occurring the situation of blood back, improve the reliability of infusion pipeline sealing, further improve safety, there is good detent plug effect and facilitate the releasing detent plug again simultaneously and can use continuously, simple in structure.
The utility model content
This utility model purpose is to provide a kind of safety automation headstock gear, and it conveniently removes medicinal liquid detent plug state when meeting the detent plug effect, simple in structure.
For this reason, this utility model provides a kind of safety automation headstock gear on the one hand, comprise dropping funnel, buoyancy aid and seal, described buoyancy aid and seal are placed in dropping funnel, described seal is arranged on the buoyancy aid lower end, and the liquid outlet level that described seal is provided with the dropping funnel bottom contacts and seals, and also comprises a connector, described connector one end is connected on seal, and the other end connects the dropping funnel bottom.
Further, described connector is made by flexible material, and described connector one end is bonded on seal, and the other end is bonded on the sidewall of dropping funnel lower end or the dropping funnel bottom.This connector is banded, prevents the connector twisting, guarantees that seal is in level, and flexible material can guarantee sealing effectiveness.
Further, described dropping funnel comprises upper shell and lower house; Described upper shell and lower house are pegged graft and are formed.
Further, described lower house inside is provided with the groove formed by bulge loop and sidewall, and on described connector, an end is provided with contiguous block, and described contiguous block and groove fit are installed.Can be in groove optional position easy for installation.
Further, at least be provided with an interspace on described bulge loop.Make groove to communicate with the dropping funnel bottom.
Further, be film like in the middle of described seal.
Further, described seal lower end is provided with outer rim.Can prevent from can't taking out in seal embedding buoyancy aid.
Further, described buoyancy aid is spherical or other shapes.
Provide a kind of safety automation headstock gear according to another goal of the invention of the present utility model, comprise dropping funnel, buoyancy aid and seal, described buoyancy aid and seal are placed in dropping funnel, described seal is arranged on the buoyancy aid lower end, the liquid outlet level that described seal is provided with the dropping funnel bottom contacts and seals, described dropping funnel comprises upper shell and lower house, and described upper shell and lower house are pegged graft and formed; Also comprise a connector, described connector is made by flexible material, and on described connector, an end is provided with contiguous block, and described lower house inside is provided with the groove formed by bulge loop and sidewall, and described contiguous block and groove fit are installed; Described bulge loop is provided with three interspaces; Be film like in the middle of described seal; Described seal lower end is provided with outer rim; Described buoyancy aid is spherical.
According to another goal of the invention of the present utility model, provide a kind of safety automation to stop the liquid transfusion device, comprise the contact pin, flow regulator, the entry needle that connect in turn by tube for transfusion, wherein, also comprise the described safety automation headstock gear of above-mentioned any one.
The utility model has the advantage of it is a kind of can the use continuously, while nearly finishing with transfusion when the transposing infusion bottle, can guarantee automatic-sealed, can automatic-ascending in transfusion for the second time, prevent that air from entering in patient body, prevents repetitive operation, avoid occurring the situation of blood back, improving the reliability of infusion pipeline sealing, further improve safety, is a kind of good detent plug effect convenient safety automation headstock gear of removing detent plug and can using continuously again simultaneously that has.
Except purpose described above, feature and advantage, other purpose, feature and the advantage that the utlity model has, be described in further detail in connection with accompanying drawing.
The accompanying drawing explanation
Form this description a part, show preferred embodiment of the present utility model for further understanding accompanying drawing of the present utility model, and be used for illustrating principle of the present utility model together with description.In figure:
Fig. 1 is the structural representation of the first embodiment;
Fig. 2 is the structural representation of the second embodiment;
Fig. 3 is the structural representation of the lower house of the second embodiment;
Fig. 4 is the plan structure schematic diagram of the lower house of the second embodiment;
Fig. 5 is the buoyancy aid of safety automation headstock gear of the present utility model and the structural representation of seal;
Fig. 6 be safety automation headstock gear of the present utility model buoyancy aid structural representation;
Fig. 7 is the seal of safety automation headstock gear of the present utility model and the structural representation of connector;
Fig. 8 is the structural representation of the seal of safety automation headstock gear of the present utility model;
Fig. 9 is the structural representation of the connector of safety automation headstock gear of the present utility model; And
Figure 10 is the structural representation of the 3rd embodiment of the present utility model;
Labelling in figure:
10 is that dropping funnel, 11 is that upper shell, 12 is that lower house, 13 is that bulge loop, 14 is that groove, 15 is that gap, 20 is that buoyancy aid, 30 is that seal, 31 is that outer rim, 40 is that connector, 41 is contiguous block.
The specific embodiment
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.
The first embodiment
With reference to figure 1, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, this utility model as shown in Figure 1 provides a kind of safety automation headstock gear, comprise dropping funnel 10, buoyancy aid 20 and seal 30, described buoyancy aid 20 and seal 30 are placed in dropping funnel 10, described seal 30 is arranged on buoyancy aid 20 lower ends, described seal 30 contacts and seals with the liquid outlet level that dropping funnel 10 bottoms are provided with, and also comprises a connector 40; Described connector 40 is made by flexible material, and flexible material can guarantee sealing effectiveness; Described connector 40 1 ends are bonded on seal 30, and the other end is bonded on the sidewall of dropping funnel 10 lower ends or dropping funnel 10 bottoms, and this connector 40 is banded, prevent connector 40 twistings, guarantee that seal 30 is in level; Described dropping funnel 10 comprises upper shell 11 and lower house 12, and described upper shell 11 and lower house 12 are pegged graft and formed; Be film like in the middle of described seal 30, increase sealing effectiveness; Described seal 30 lower ends are provided with outer rim 31, can prevent that seal 30 from embedding in buoyancy aid 20 and can't take out; Described buoyancy aid 20 is spherical.
The second embodiment
Referring to figs. 2 to Fig. 9, this utility model as shown in Figure 2 provides a kind of safety automation headstock gear, comprise dropping funnel 10, buoyancy aid 20 and seal 30, described buoyancy aid 10 and seal 30 are placed in dropping funnel 10, described seal 30 is arranged on buoyancy aid 20 lower ends, described seal 30 contacts and seals with the liquid outlet level that dropping funnel 10 bottoms are provided with, and described dropping funnel 10 comprises upper shell 11 and lower house 12, and described upper shell 11 and lower house 12 are pegged graft and formed; Also comprise a connector 40, described connector 40 is made by flexible material, on described connector 40, an end is provided with contiguous block 41, described lower house 12 inside are provided with the groove 14 formed by bulge loop 13 and sidewall, on described connector 40, an end is provided with contiguous block 41, described contiguous block 41 coordinates installation with groove 14, and the formation of groove 14 is in order to make connector 41 easy for installation at an arbitrary position; Described bulge loop 13 is provided with three interspaces 15, can make the water in groove 14 communicate with dropping funnel 10 bottoms; Be film like in the middle of described seal 30; Described seal 30 lower ends are provided with outer rim 31; Described buoyancy aid 20 is spherical.
The 3rd embodiment
With reference to Figure 10, as shown in figure 10 of the present utility model provides a kind of safety automation to stop the liquid transfusion device, comprises the contact pin, flow regulator, the entry needle that connect in turn by tube for transfusion, wherein, also comprises the described safety automation headstock gear of above-mentioned any one.
The work process of safety automation headstock gear of the present utility model:
When in the dropping funnel in transfusion device, being full of liquid, buoyancy aid and seal, under the effect of buoyancy, remain straight up, sealing member also leaves the liquid outlet of dropping funnel low side, therefore, liquid is exported from liquid outlet through dropping funnel in valve body again, thereby completes infusion process; When the liquid level in the dropping funnel in transfusion device descends gradually, buoyancy aid and seal, under the effect of gravity, operation, seal until the liquid outlet that seal and dropping funnel bottom are provided with is tangent downwards, thereby realized automatic liquid-stopping by the gravity of self.
When needs are infused again, liquid flows in dropping funnel, the exuberant dropping funnel of liquid, and under the effect of buoyancy, seal can leave inlet automatically.
These are only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a safety automation headstock gear, comprise dropping funnel, buoyancy aid and seal, described buoyancy aid and seal are placed in dropping funnel, described seal is arranged on the buoyancy aid lower end, the liquid outlet level that described seal is provided with the dropping funnel bottom contacts and seals, it is characterized in that: also comprise a connector, described connector one end is connected on seal, and the other end connects the dropping funnel bottom.
2. safety automation headstock gear according to claim 1, it is characterized in that: described connector is made by flexible material, and described connector one end is bonded on seal, and the other end is bonded on the sidewall of dropping funnel lower end or the dropping funnel bottom.
3. safety automation headstock gear according to claim 1, it is characterized in that: described dropping funnel comprises upper shell and lower house, described upper shell and lower house are pegged graft and are formed.
4. safety automation headstock gear according to claim 3, it is characterized in that: described lower house inside is provided with the groove formed by bulge loop and sidewall, and on described connector, an end is provided with contiguous block, and described contiguous block and groove fit are installed.
5. safety automation headstock gear according to claim 4, is characterized in that: at least be provided with an interspace on described bulge loop.
6. safety automation headstock gear according to claim 1, is characterized in that: be film like in the middle of described seal.
7. safety automation headstock gear according to claim 1, it is characterized in that: described seal lower end is provided with outer rim.
8. safety automation headstock gear according to claim 1, it is characterized in that: described buoyancy aid is spherical.
9. a safety automation headstock gear, comprise dropping funnel, buoyancy aid and seal, described buoyancy aid and seal are placed in dropping funnel, described seal is arranged on the buoyancy aid lower end, the liquid outlet level that described seal is provided with the dropping funnel bottom contacts and seals, it is characterized in that: described dropping funnel comprises upper shell and lower house, and described upper shell and lower house are pegged graft and formed; Also comprise a connector, described connector is made by flexible material, and on described connector, an end is provided with contiguous block, and described lower house inside is provided with the groove formed by bulge loop and sidewall, and described contiguous block and groove fit are installed; Described bulge loop is provided with three interspaces; Be film like in the middle of described seal; Described seal lower end is provided with outer rim; Described buoyancy aid is spherical.
10. a safety automation stops the liquid transfusion device, it is characterized in that: comprise according to the described safety automation headstock gear of any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320436547 CN203355050U (en) | 2013-07-18 | 2013-07-18 | Automatic safe opening and closing device and infusion device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320436547 CN203355050U (en) | 2013-07-18 | 2013-07-18 | Automatic safe opening and closing device and infusion device with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203355050U true CN203355050U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320436547 Expired - Fee Related CN203355050U (en) | 2013-07-18 | 2013-07-18 | Automatic safe opening and closing device and infusion device with same |
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| CN (1) | CN203355050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041661A (en) * | 2021-05-08 | 2021-06-29 | 陈灿 | Wastewater treatment equipment |
-
2013
- 2013-07-18 CN CN 201320436547 patent/CN203355050U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113041661A (en) * | 2021-05-08 | 2021-06-29 | 陈灿 | Wastewater treatment equipment |
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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 |
Granted publication date: 20131225 Termination date: 20150718 |
|
| EXPY | Termination of patent right or utility model |