CN201768229U - Automatic hydraulic control opened and closed infusion apparatus and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof - Google Patents
Automatic hydraulic control opened and closed infusion apparatus and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof Download PDFInfo
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- CN201768229U CN201768229U CN2010202160943U CN201020216094U CN201768229U CN 201768229 U CN201768229 U CN 201768229U CN 2010202160943 U CN2010202160943 U CN 2010202160943U CN 201020216094 U CN201020216094 U CN 201020216094U CN 201768229 U CN201768229 U CN 201768229U
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Abstract
The utility model discloses a hydraulic control opening and closing mechanism of an automatic hydraulic control opened and closed infusion apparatus and a hydraulic control opening and closing valve using the hydraulic control opening and closing mechanism. The hydraulic control opening and closing mechanism comprises an upper floating body, a lower floating body and a component which is formed by connecting a hermetic soft rubber body to the bottom end part of the lower floating body, wherein the lower floating body is provided with a concave cavity for accommodating liquid equivalent to the weight of the concave cavity; when the liquid level of a dripping funnel falls to a design height, the hydraulic control opening and closing mechanism quickly falls to seal a stop plug; and the upper floating body is used for increasing buoyancy and rapidly releasing the stop plug at secondary liquid filling. The hydraulic control opening and closing valve is a component which is arranged on the hydraulic control opening and closing mechanism and is independent of a container outside the dripping funnel. The hydraulic control opening and closing mechanism of the utility model rises or falls along with the change of the liquid surface to realize an opening and closing state, so that the stop plug is sealed more reliably, isolation of air from dripping liquid is ensured, inverse blood flow of a patient during transfusion and bottle change is prevented effectively and the automatic hydraulic control opened and closed infusion apparatus can meet the requirement of continued use under the bottle changing condition.
Description
Technical field
This utility model relates in a kind of medicine and hygiene fields the transfusion device of using when carrying out venous transfusion to clinical patients.This utility model also relates to a kind of hydraulic control opening and closing mechanism and fluid-control starting and stopping valve that can be used for transfusion device.
Background technology
When at present the patient being carried out venous transfusion, be extensive use of disposable infusion set, mainly form by bottle plug puncture unit, air inlet device, dropping funnel, flow regulator, liquid medicine filter, venoclysis needle and some connecting ducts.
Disposable infusion set has played positive effect to preventing the cross infection between the patient.But, use disposable infusion set also to have weak point, promptly at present disposable infusion set when changing infusion bottle or medicinal liquid do not have automatic sealing process when having annotated, bring hidden danger to transfusion work.
Chinese invention patent application 00109887.X has disclosed a kind of improvement of droving injector controller, it is made of unsteady container and drop storage cup etc., the container that should float has a buoyancy aid cup and a sphere thin film to constitute, the container that should float is subjected to the liquid weight contained, acceleration when whole liquid level reduces and decline detent plug.
The detent plug effect of above-mentioned droving injector controller is very good, yet also bring such problem simultaneously, promptly after the detent plug, the liquid outlet of drop Storage Cup is difficult to open once more, this has caused trouble for the continuous use of transfusion device, for example can not remove detent plug when changing infusion bottle (bag).
Chinese invention patent application 200810028295.8 has disclosed a kind of universal protection valve of transfusion utensil, and it is made of ebonite accessory and flexible glue base.When the ebonite accessory is configured to the buoyancy aid cup, equally also run into the difficulty of opening once more, when the ebonite accessory is configured to hollow buoyancy aid, to compare with the buoyancy aid cup, the detent plug reliability has also reduced relatively.
In view of the shortcoming of prior art, it is very ideal providing a kind of automatic hydraulic that has the convenient again simultaneously releasing detent plug of good detent plug effect and can use continuously to open and close transfusion device.
The utility model content
This utility model purpose is to provide a kind of automatic hydraulic to open and close transfusion device, and it conveniently removes medicinal liquid detent plug state when satisfying the detent plug effect.
For this reason, this utility model provides a kind of hydraulic control opening and closing mechanism on the one hand, and it comprises upper float, following buoyancy aid that is connected with upper float and the flexible glue body that is connected with the bulk phase of floating downward, and wherein, following buoyancy aid has liquid and holds cavity, and soft colloidal end is a seal membrane.
Further, above-mentioned upper float is downward opening cup or hollow body.
Further, above-mentioned upper float and following buoyancy aid the two one of be provided with center column, another is provided with the center body that cooperates with the center column grafting.
Further, above-mentioned center column is provided with at least one annular groove, and the center body is provided with suitable with it ring-shaped lug.Perhaps above-mentioned center column forms Rule circular cone plug, and the chamber of center body forms Rule circular cone jack.
Further, above-mentioned down buoyancy aid and flexible glue body the two one of be provided with a hole, another is provided with a plug that cooperates with the grafting of seat hole.
Further, above-mentioned plug is arranged on the flexible glue body, and it comprises conical nose, axle journal and the shaft shoulder.
Further, be evenly equipped with the Concha Arcae bar on the outside circumference of above-mentioned buoyancy aid down and upper float.
Further, the medicinal liquid of above-mentioned down buoyancy aid holds and is provided with the center body in the cavity, has convex on its diapire, and has and run through the open-work that convex, diapire are communicated with the chamber of center body; Above-mentioned upper float has downward opening cavity, has the center column of pegging graft and cooperating with the center body in the cavity; Above-mentioned flexible glue body has conical nose, the axle journal that cooperates with open-work in the chamber that is arranged in following buoyancy aid center body and is positioned at the outer shaft shoulder of convex of buoyancy aid diapire down.
This utility model provides a kind of fluid-control starting and stopping valve on the other hand, it comprises the container (being valve casing) of temporary liquid, the top of this container has inlet opening, diapire has liquid outlet, wherein, have above-mentioned hydraulic control opening and closing mechanism (being the valve hammer) in the container, the seal membrane of hydraulic control opening and closing mechanism is suitable for being sealed and matched with liquid outlet diapire all around.This fluid-control starting and stopping valve is meant that hydraulic control opening and closing mechanism is arranged on parts that constitute in the container, this fluid-control starting and stopping valve can form the dropping funnel of transfusion device, also can form the fluid-control starting and stopping parts that are independent of the outer transfusion device of dropping funnel, can also be used for the fluid-control starting and stopping parts that the non-transfusion device of other purposes is used.
The another aspect of this utility model provides a kind of automatic hydraulic to open and close transfusion device, it comprises bottle plug puncture unit, air inlet device, dropping funnel, flow regulator, liquid medicine filter and the venoclysis needle that connects in turn by connecting duct, and in the dropping funnel upstream or the fluid-control starting and stopping valve with said structure that is provided with of downstream.
This utility model also provides a kind of automatic hydraulic to open and close transfusion device, it comprises bottle plug puncture unit, air inlet device, dropping funnel, flow regulator, liquid medicine filter, the venoclysis needle that connects in turn by connecting duct, wherein, be provided with hydraulic control opening and closing mechanism in the dropping funnel with said structure.
Further, be provided with the backstop frame in the above-mentioned dropping funnel, wherein, described hydraulic control opening and closing mechanism is located at the below of backstop frame in the dropping funnel cavity.
Further, above-mentioned dropping funnel comprises upper shell and lower house, and above-mentioned backstop frame comprises body and the cross frame that is positioned at the body top, wherein, the wall smooth transition of the wall of body and lower house, the surface in the face of upper float of cross frame is provided with convex tendon or salient point.
Further, the downstream of above-mentioned dropping funnel is provided with return unit.
Further, above-mentioned liquid medicine filter can be selected common drug liquid filter or precision liquid medicine filter.
Further, above-mentioned described bottle plug puncture unit can also be selected metal bottle plug puncture unit or plastic-steel Combined bottle stopper perforator except that the ordinary bottle plug perforator.
Compared with prior art, the following buoyancy aid of this utility model hydraulic control opening and closing mechanism contain fluid in the detent plug process, make that the detent plug effect is more reliable, the setting of upper float simultaneously is convenient to remove detent plug, so, make automatic hydraulic of the present utility model open and close transfusion device and can satisfy the requirement that can continue to use under bottle condition changing.
Except purpose described above, feature and advantage, other purpose, feature and the advantage that the utlity model has will be described in further detail in conjunction with the accompanying drawings.
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 schematically shows the structural representation that opens and closes transfusion device according to the automatic hydraulic of this utility model first embodiment;
Fig. 2 shows the structural representation that automatic hydraulic shown in Figure 1 opens and closes the dropping funnel of transfusion device;
Fig. 2 a shows the A of backstop frame of dropping funnel shown in Figure 2 to view;
Fig. 2 b shows the modification structures of backstop frame shown in Fig. 2 a;
Fig. 3 shows the structural representation of the hydraulic control opening and closing mechanism of dropping funnel shown in Figure 2;
Fig. 4 shows the structural representation of the upper float of hydraulic control opening and closing mechanism shown in Figure 3;
Fig. 5 shows the B of upper float shown in Figure 4 to view;
Fig. 6 shows the structural representation of the following buoyancy aid of hydraulic control opening and closing mechanism shown in Figure 3;
Fig. 7 shows the C of buoyancy aid down shown in Figure 6 to view;
Fig. 8 shows the soft colloidal structural representation of hydraulic control opening and closing mechanism shown in Figure 3;
Fig. 9 shows the sketch map that dropping funnel is in the normal infusion state;
Figure 10 shows the sketch map that dropping funnel is in transfusion detent plug state;
Figure 11 shows dropping funnel and is in and changes bottle sketch map of drain state;
Figure 12 shows the sketch map that dropping funnel is in the detent plug disarm state;
Figure 13 shows the structural representation that opens and closes transfusion device according to the automatic hydraulic of this utility model second embodiment;
Figure 14 shows the structural representation that automatic hydraulic shown in Figure 13 opens and closes the non-return release mechanism of transfusion device;
Figure 14 a shows a kind of structure of the upper float of hydraulic control opening and closing mechanism shown in Figure 14;
Figure 14 b shows the another kind of structure of the upper float of hydraulic control opening and closing mechanism shown in Figure 14;
Figure 15 shows the structural representation that opens and closes transfusion device according to the automatic hydraulic of this utility model the 3rd embodiment;
Figure 16 shows automatic hydraulic shown in Figure 15 and opens and closes transfusion device and be in and change bottle sketch map of drain state;
Figure 17 shows automatic hydraulic shown in Figure 15 and opens and closes the sketch map that transfusion device is in the detent plug disarm state; And
Figure 18 shows the structural representation that opens and closes transfusion device according to the automatic hydraulic of this utility model the 4th embodiment.
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.
First embodiment
Fig. 1 schematically shows the structural representation that opens and closes transfusion device according to the automatic hydraulic of this utility model first embodiment, Fig. 2 shows the structural representation that automatic hydraulic shown in Figure 1 opens and closes the dropping funnel of transfusion device, and Fig. 3 shows the structural representation of the hydraulic control opening and closing mechanism of dropping funnel shown in Figure 2.In conjunction with referring to figs. 1 through Fig. 3, in the present embodiment, automatic hydraulic opens and closes transfusion device and comprises bottle plug puncture unit 10, dropping funnel 20, non-return release mechanism 30, flow regulator 50, liquid medicine filter 60 and the venoclysis needle 70 that connects in turn by connecting duct 40, wherein, bottle plug puncture unit 10 is connected with the air inlet device, perhaps combines with the air inlet device.
Automatic hydraulic of the present utility model opens and closes transfusion device can select configuration to the type and the specification of bottle plug puncture unit 10, liquid medicine filter 60 and venoclysis needle 70 according to client's needs.
Dropping funnel 20 comprises upper shell 22 and the lower house 24 that is bonded together, wherein, the bottom that the top of upper shell 22 is provided with inlet opening 21, lower house 24 is provided with liquid outlet 24b, be provided with backstop frame 23 in the inner chamber that upper shell 22 and lower house 24 form, be provided with non-return release mechanism 30 in the cavity of backstop frame 23 belows.
This backstop frame 23 is used to limit the activity space of hydraulic control opening and closing mechanism 30, and the minimum level scope when being used to indicate normal infusion.This backstop frame 23 comprises body 23a and is arranged at the cross frame 23b of body 23a, cross frame 23b is provided with and faces the convex tendon or the salient point 23c at buoyancy aid top down, avoid the top and the cross frame of upper float 31 to fit, the wall smooth transition of the wall of body 23a and lower house 24 avoids forming step so that moving up and down of hydraulic control opening and closing mechanism caused obstruction.
Hydraulic control opening and closing mechanism 30 comprises upper float 31, the following buoyancy aid 32 that is connected with upper float and the flexible glue body 33 that is connected with the bulk phase of floating downward.
Each parts to each hydraulic control opening and closing mechanism are described below.
Fig. 4 shows the structural representation of the upper float of hydraulic control opening and closing mechanism shown in Figure 3; Fig. 5 shows the B of upper float shown in Figure 4 to view.As shown in Figure 4 and Figure 5, upper float 31 has downward opening cavity 31a, and the central authorities of cavity 31a have cylinder 31b; Form annular groove 31c on the periphery of upper float 31; In addition, the outside of upper float 31 is evenly equipped with Concha Arcae bar 31d on week.
Above-mentioned cavity 31a is provided with the buoyancy that helps increase upper float; Annular groove 31c on the cylinder 31b helps to increase the connection reliability with following buoyancy aid; Form flow-guiding channel between this Concha Arcae bar, so that medicinal liquid successfully flows through between dropping funnel inwall and upper float.
Fig. 6 shows the structural representation of the following buoyancy aid of hydraulic control opening and closing mechanism shown in Figure 3, and Fig. 7 shows the C of buoyancy aid down shown in Figure 6 to view.As shown in Figure 6 and Figure 7, following buoyancy aid 32 has opening medicinal liquid up and holds cavity 32a, and the central authorities that this medicinal liquid holds cavity are provided with body 32b, are provided with annular protrusion 32c in the inner chamber of body 32b; Have convex 32f on the diapire of following buoyancy aid 32, and have and run through the open-work 32g that convex 32f, diapire are communicated with body 32b inner chamber; In addition, the outside of following buoyancy aid 32 is evenly equipped with Concha Arcae bar 32d on week.
The diameter of above-mentioned open-work 32g so forms a seat hole 32e less than the intracavity diameter of body 32b, and this hole is used to install flexible glue body 33; Convex 32f plays and supports and the effect of flexible glue body 33 at interval, makes flexible glue body 33 have a basicly stable installment state; Form flow-guiding channel between the Concha Arcae bar 32d, medicinal liquid is successfully flow through between dropping funnel inwall and following buoyancy aid.
Fig. 8 shows the soft colloidal structural representation of hydraulic control opening and closing mechanism shown in Figure 3.As shown in Figure 8, flexible glue body 33 comprises conical nose 33a, axle journal 33b, shaft shoulder 33c and at the seal membrane 33d of shaft shoulder end.
This shaft shoulder 33c has the effect of the seal membrane 33d of resiliency supported, has to prevent that seal membrane 33d from conforming to down the effect of buoyancy aid diapire.
Assembly relation to each parts of hydraulic control opening and closing mechanism describes below.
The cylinder 31b of upper float 31 and the body 32b of following buoyancy aid 32 are plugged on together, and the annular protrusion 32c of body 32b and the annular groove 31c of cylinder 31b engage, the conical nose 33a of flexible glue body 33, axle journal 33b and shaft shoulder 33c form plug, cooperate with the seat hole 32e grafting of following buoyancy aid, form reliable annexation.
For upper float 31, it mainly acts on is to make hydraulic control opening and closing mechanism 30 have come-up trend, is convenient to the releasing of medicinal liquid detent plug state, and so, its buoyancy is the bigger the better.
For following buoyancy aid 32, it mainly acts on is in hydraulic control opening and closing mechanism 30 detent plug processes, guarantees the reliability of detent plug state, and so, its buoyancy is the smaller the better, preferably can also be to seal membrane 33d weight application.
For seal membrane 33, it mainly acts on is to make to be close to the bottom wall surface of dropping funnel to contact, and plays sealing function, and so the binding face of seal membrane 33 is the bigger the better, and the shape of the shape of seal membrane and dropping funnel diapire is identical more good more.
Work process to automatic hydraulic keying transfusion device of the present utility model is illustrated below.
The dropping funnel that is in the normal infusion state is shown in Figure 9, and as shown in Figure 9, this normal infusion state is with the work process with the transfusion device of hydraulic control opening and closing mechanism is not identical.
The integral body of hydraulic control opening and closing mechanism of the present utility model floats in the medicinal liquid, the liquid level 20a of medicinal liquid need be higher than the top of backstop frame 23, its benefit is, medicinal liquid can directly not be dropped in the bubble that on backstop frame 23 or the hydraulic control opening and closing mechanism medicinal liquid is sneaked into not expect to have in the drop process, though this bubble may the small stage of ignoring to naked eyes.
The dropping funnel that is in transfusion detent plug state is shown in Figure 10, as shown in figure 10, when medicinal liquid when finishing, the liquid level in the dropping funnel descends, hydraulic control opening and closing mechanism also descends with liquid level, a certain residual height at medicinal liquid, seal membrane and dropping funnel diapire are fitted, and seal up liquid outlet, simultaneously, the following buoyancy aid that fills with medicinal liquid is also exerted pressure to seal membrane, makes that sealing detent plug effect is very reliable.Notice that the medicinal liquid in the dropping funnel still has a certain residual height at this moment, and upper float is exposed to the liquid level top.
Be in that to change bottle dropping funnel of drain state shown in Figure 11, as shown in figure 11, in changing bottle drain process, hydraulic control opening and closing mechanism 30 still is in the state of sealing liquid outlet, this characteristic is very gratifying, this characteristic has benefited from the engaging force between hydraulic control opening and closing mechanism and the dropping funnel, promptly descends the medicinal liquid of the inner chamber splendid attire of buoyancy aid to make seal membrane contact with face between the dropping funnel diapire and is difficult to destroy because of changing a bottle drain.
When changing bottle drain, medical personnel can push the dropping funnel wall on the backstop frame of dropping funnel, the interior cavity of dropping funnel this moment can form negative pressure, if the state of sealing liquid outlet is broken, gas in the dropping funnel is easy to enter in the liquid outlet and forms medical hidden danger, can only do disposable the use, be breakneck because reuse.
The dropping funnel that is in the detent plug disarm state as shown in figure 12, medical personnel are the zigzag bending with certain part 41 of the connecting duct 40 in dropping funnel downstream, the connecting duct 41 of application of force F extruding simultaneously, because the hydraulic control opening and closing mechanism that is arranged so that of upper float 31 has a come-up trend all the time, under the combined effect of the two, the face of seal membrane and dropping funnel diapire is fitted and is easy to remove, thereby realizes continuing the operation of transfusion.
Second embodiment
Figure 13 shows the structural representation that opens and closes transfusion device according to the automatic hydraulic of this utility model second embodiment.The present embodiment and the first embodiment difference are that it has selected different bottle plug puncture unit 10; The top of dropping funnel is provided with dosing mouth 25, to use when making up a prescription; The upper float 31 of hydraulic control opening and closing mechanism 30 is hollow ball-shape simultaneously, and it can provide bigger buoyancy.
When the automatic hydraulic keying transfusion device of present embodiment needs dosing in infusion process, need not close transfusion device, the medical worker can directly inject, and is convenient to operation.
Figure 14 shows the structural representation that automatic hydraulic shown in Figure 13 opens and closes the hydraulic control opening and closing mechanism of transfusion device, and Figure 14 a and Figure 14 b show two kinds of structural representations of the upper float of hydraulic control opening and closing mechanism.In conjunction with reference to Figure 14, Figure 14 a and Figure 14 b, the upper float of hydraulic control opening and closing mechanism has Rule circular cone plug 31b, has Rule circular cone socket 32b that plugs with Rule circular cone plug on the following buoyancy aid, and so, connected structure is simple and reliable.The shape of upper float is unrestricted, can be solid shown in Figure 14 a simultaneously, also can be the hollow body shown in Figure 14 b, is preferably hollow body or semi-hollow body.
Figure 15 shows the structural representation that opens and closes transfusion device according to the automatic hydraulic of this utility model the 3rd embodiment.As shown in figure 15, the present embodiment and the first embodiment difference are, are provided with the body 80 that resets below dropping funnel 20, and this body 80 that resets can be out of shape when being squeezed, its effect is the applying of opening encapsulation diaphragm and dropping funnel diapire after changing bottle drain, removes the detent plug state.
The liquid feeding end of return unit 80 forms Rule circular cone socket 81, and pegging graft with the drain pipe of the formation liquid outlet 24b of dropping funnel 20, drain pipe 82 is used to overlap plugs in conduit 40.
The automatic hydraulic that this body 80 that resets can also be used for other opens and closes transfusion device, for example only comprises this utility model first embodiment described buoyancy aid and flexible glue body down in the dropping funnel of this transfusion device.
The automatic hydraulic of present embodiment opens and closes transfusion device at normal infusion state, transfusion detent plug state with change a bottle drain state and be basically the same as those in the first embodiment, and changes bottle drain state as shown in figure 16.Its detent plug disarm state is different with first embodiment, as shown in figure 17, in the present embodiment, only need conduit 40 is bent to the drain pipe 82 of return unit, block the medicine liquid channel in the conduit 40, simultaneously pressed home body 80, increase the pressure of the medicinal liquid in the return unit, simultaneously under the effect of the buoyancy of fluid-control starting and stopping valve, be easy to remove the state that seal membrane in the dropping funnel and dropping funnel diapire are fitted mutually, promptly remove the detent plug state.
Figure 18 shows the structural representation that opens and closes transfusion device according to the automatic hydraulic of this utility model the 4th embodiment.The present embodiment and the first embodiment difference are that dropping funnel 20 is provided with and covers 26, and this covers and is provided with dosing mouth 27, and liquid medicine filter 60 is chosen as accurate filter simultaneously, so that the effect of secondary filter to be provided.
In above-mentioned four embodiment, the protective sleeve on bottle plug puncture unit 10 and the venoclysis needle 70 is not shown, have protective sleeve in the actual production usually, stab packaging bag or related personnel to prevent the tip.In addition, the backstop frame that plays the valve action of backstop fluid-control starting and stopping in the dropping funnel can be replaced by step on the dropping funnel inwall or block, and is not limited to the backstop frame.
The technical characterictic that is appreciated that in the various embodiments described above to be comprised can be used each other and form new technical scheme, only otherwise conflicting getting final product.In addition, can form the fluid-control starting and stopping valve that is different from dropping funnel, realize detent plug control, be applied to the product of other industry liquid stream by hydraulic control opening and closing mechanism.
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 (17)
1. a hydraulic control opening and closing mechanism is characterized in that, following buoyancy aid that comprise upper float, is connected and the flexible glue body that is connected with the described bulk phase of floating downward with described upper float, and wherein, described buoyancy aid down has liquid and holds cavity, and described soft colloidal end is a seal membrane.
2. hydraulic control opening and closing mechanism according to claim 1 is characterized in that, described upper float is downward opening cup or hollow body.
3. hydraulic control opening and closing mechanism according to claim 1 is characterized in that, described upper float and described down buoyancy aid the two one of be provided with center column, another is provided with the center body of pegging graft and cooperating with described center column.
4. according to the described hydraulic control opening and closing mechanism of claim 3, it is characterized in that described center column is provided with at least one annular groove, described center body is provided with suitable with it ring-shaped lug.
5. hydraulic control opening and closing mechanism according to claim 3 is characterized in that, described center column forms Rule circular cone plug, and the chamber of described center body forms Rule circular cone jack.
6. hydraulic control opening and closing mechanism according to claim 1 is characterized in that, described down buoyancy aid and described flexible glue body the two one of be provided with a hole, another is provided with the plug of pegging graft and cooperating with described seat hole.
7. hydraulic control opening and closing mechanism according to claim 6 is characterized in that, described plug is arranged on the described flexible glue body, and it comprises conical nose, axle journal and the shaft shoulder.
8. hydraulic control opening and closing mechanism according to claim 1 is characterized in that, is evenly equipped with the Concha Arcae bar on the outside circumference of described buoyancy aid down and upper float.
9. hydraulic control opening and closing mechanism according to claim 1 is characterized in that:
The medicinal liquid of described down buoyancy aid holds and is provided with the center body in the cavity, has convex on its diapire, and has and run through the open-work that convex, diapire are communicated with the chamber of described center body;
Described upper float has downward opening cavity, has the center column of pegging graft and cooperating with described center body in the described cavity;
Described flexible glue body has conical nose, the axle journal that cooperates with described open-work that is arranged in the described chamber of buoyancy aid center body down and is positioned at the outer shaft shoulder of convex of described buoyancy aid diapire down.
10. fluid-control starting and stopping valve, it is characterized in that, the container that comprises temporary liquid, the diapire of this container has liquid outlet, wherein, have in the described container according to each described hydraulic control opening and closing mechanism in the claim 1 to 9, the seal membrane of described hydraulic control opening and closing mechanism is suitable for being sealed and matched with described liquid outlet diapire all around.
11. an automatic hydraulic opens and closes transfusion device, it is characterized in that, comprise the bottle plug puncture unit, air inlet device, dropping funnel, flow regulator, liquid medicine filter and the venoclysis needle that connect in turn by connecting duct, it is characterized in that, also be included in the fluid-control starting and stopping valve according to claim 10 that described dropping funnel upstream or downstream are provided with.
12. an automatic hydraulic opens and closes transfusion device, it is characterized in that, comprise the bottle plug puncture unit, dropping funnel, flow regulator, liquid medicine filter, the venoclysis needle that connect in turn by connecting duct, wherein, be provided with in the described dropping funnel according to each described hydraulic control opening and closing mechanism in the claim 1 to 9.
13. automatic hydraulic according to claim 12 opens and closes transfusion device, it is characterized in that, is provided with the backstop frame in the described dropping funnel, wherein, described hydraulic control opening and closing mechanism is arranged on the below of backstop frame in the dropping funnel cavity.
14. automatic hydraulic according to claim 13 opens and closes transfusion device, it is characterized in that, described dropping funnel comprises upper shell and lower house, described backstop frame comprises body and is positioned at the cross frame at body top, the wall smooth transition of the wall of described body and described lower house, the surface in the face of upper float of described cross frame is provided with convex tendon or salient point.
15. automatic hydraulic according to claim 12 opens and closes transfusion device, it is characterized in that the downstream of described dropping funnel is provided with return unit.
16. automatic hydraulic according to claim 12 opens and closes transfusion device, it is characterized in that described liquid medicine filter is common drug liquid filter or precision liquid medicine filter.
17. automatic hydraulic according to claim 12 opens and closes transfusion device, it is characterized in that described bottle plug puncture unit is ordinary bottle plug perforator, metal bottle plug puncture unit or plastic-steel Combined bottle stopper perforator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202160943U CN201768229U (en) | 2010-06-01 | 2010-06-01 | Automatic hydraulic control opened and closed infusion apparatus and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202160943U CN201768229U (en) | 2010-06-01 | 2010-06-01 | Automatic hydraulic control opened and closed infusion apparatus and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof |
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| CN201768229U true CN201768229U (en) | 2011-03-23 |
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| CN2010202160943U Expired - Fee Related CN201768229U (en) | 2010-06-01 | 2010-06-01 | Automatic hydraulic control opened and closed infusion apparatus and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof |
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| CN (1) | CN201768229U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843940A (en) * | 2010-06-01 | 2010-09-29 | 浙江欧健医用器材有限公司 | Automatic hydraulic control opening and closing infusion set and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof |
| CN102716534A (en) * | 2012-06-28 | 2012-10-10 | 何前国 | Method and device for automatically sealing two contact surfaces twice for drip injection |
| CN102772842A (en) * | 2012-08-06 | 2012-11-14 | 戴建达 | Safe and automatic hydraulic control opening and closing valve and infusion apparatus with safe and automatic hydraulic control opening and closing valve |
| CN103505784A (en) * | 2012-06-28 | 2014-01-15 | 何前国 | Fluid infusion multi-times multi-face sealing control device |
| CN104368058A (en) * | 2014-08-27 | 2015-02-25 | 湖南省绿洲惠康发展有限公司 | Disposable infusion apparatus capable of automatically stopping liquid, free of bubbles and capable of preventing blood return |
-
2010
- 2010-06-01 CN CN2010202160943U patent/CN201768229U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101843940A (en) * | 2010-06-01 | 2010-09-29 | 浙江欧健医用器材有限公司 | Automatic hydraulic control opening and closing infusion set and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof |
| CN101843940B (en) * | 2010-06-01 | 2012-08-29 | 浙江欧健医用器材有限公司 | Automatic hydraulic control opening and closing infusion set and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof |
| CN102716534A (en) * | 2012-06-28 | 2012-10-10 | 何前国 | Method and device for automatically sealing two contact surfaces twice for drip injection |
| CN102716534B (en) * | 2012-06-28 | 2013-05-22 | 何焱 | Method and device for automatically sealing two contact surfaces twice for drip injection |
| CN103505784A (en) * | 2012-06-28 | 2014-01-15 | 何前国 | Fluid infusion multi-times multi-face sealing control device |
| CN102772842A (en) * | 2012-08-06 | 2012-11-14 | 戴建达 | Safe and automatic hydraulic control opening and closing valve and infusion apparatus with safe and automatic hydraulic control opening and closing valve |
| CN102772842B (en) * | 2012-08-06 | 2014-04-23 | 戴建达 | Safe and automatic hydraulic control opening and closing valve and infusion apparatus with safe and automatic hydraulic control opening and closing valve |
| CN104368058A (en) * | 2014-08-27 | 2015-02-25 | 湖南省绿洲惠康发展有限公司 | Disposable infusion apparatus capable of automatically stopping liquid, free of bubbles and capable of preventing blood return |
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