CN202822283U - Intelligent automatic liquid-stop blood return prevention Murphy's tube and infusion device using same - Google Patents
Intelligent automatic liquid-stop blood return prevention Murphy's tube and infusion device using same Download PDFInfo
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- CN202822283U CN202822283U CN 201220383533 CN201220383533U CN202822283U CN 202822283 U CN202822283 U CN 202822283U CN 201220383533 CN201220383533 CN 201220383533 CN 201220383533 U CN201220383533 U CN 201220383533U CN 202822283 U CN202822283 U CN 202822283U
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Abstract
The utility model discloses an intelligent automatic liquid-stop blood return prevention Murphy's tube. The Murphy's tube comprises a tube body and a drip tube arranged at the upper part in the tube body, wherein the tube body is provided with an upper connector and a lower connector; the upper connector is the upper port of the drip tube; a filter is arranged at the bottom of the tube body and provided with a closed cavity chamber; a filter membrane for dividing the cavity chamber into an upper space and a lower space is horizontally arranged in the closed cavity chamber; a liquid inlet tube communicated with the upper space of the cavity chamber and the tube body is vertically arranged on the top surface of the cavity chamber; an opening structure for delaying inflowing of medicinal liquid by utilizing a liquid surface tension force is arranged at an inlet of the liquid inlet pipe; a liquid outlet as the lower connector is arranged on the bottom surface of the closed cavity chamber; and a leaking hole communicated with the upper space of the cavity chamber and the tube body is formed in the top surface of the cavity chamber. The utility model further discloses an infusion device using the Murphy's tube. When no medicinal liquid flows into the tube body, residual liquid between the top surface of the cavity chamber and the inlet of the liquid inlet tube slowly flows past the filter membrane through the leaking hole, so that the automatic liquid-stop blood return prevention function is achieved.
Description
Technical field
This utility model relates to a kind of black Fei Shi pipe, relates in particular to a kind of intelligent automatic liquid-stopping blood return prevention China ink Fei Shi pipe, also relates to the transfusion device that uses this automatic liquid-stopping blood return prevention China ink Fei Shi pipe.
Background technology
Medical Transfusion device (namely referring to intravenous transfusion device) is clinically a kind of common being used for to the medical disposable material of human vein conveying medicinal liquid, and it generally is comprised of bottle plug puncture unit, tube for transfusion (comprising upper conduit and downcomer), air filter, black Fei Shi pipe, filter, flow regulator, female Luer and vein scalp acupuncture.Wherein, the Main Function of black Fei Shi pipe is to judge the flow velocity of transfusion and produce siphonage to slow down infusion pressure in infusion process.
Existing intravenous transfusion device is in infusion process, owing to storing air in tube for transfusion and the black Fei Shi pipe, add the existence of inking Fei Shi pipe siphonage, so that the gas in must emptying above-mentioned body before venipuncture, this operation sequence can increase nursing staff's workload, cause awkward defective, thereby reduce work efficiency.
In addition, after medicinal liquid in the intravenous transfusion device has flowed, if untimely replacing medicinal liquid bottle or removal transfusion device, medicinal liquid can flow always, until just can stop during the gravitational equilibrium of the venous pressure of human body and transfusion device herb liquid, because the diffusion of medicinal liquid, so that blood of human body is back in the tube for transfusion of transfusion device, this blood back phenomenon not only can cause the terrified of sufferer, and the nursing staff will spend again aerofluxus of long duration, what is more, be easy to form thrombosis and cause phlebitic generation etc.
In order to solve the problems of the technologies described above, these those skilled in the art have researched and developed multiple transfusion device with automatic liquid-stopping function both at home and abroad, and its operation principle is: after the medicinal liquid in the black Fei Shi pipe dripped off, self-closed downcomer water inlet was in case return blood, yet it can't effectively realize the purpose of blood return prevention.In addition; China authorizes utility model patent (patent No. 201020580924.0) to disclose a kind of without the bubble drainage blood backflow prevention infusion; it adopts drainage strip that a small amount of debris in the black Fei Shi pipe is introduced the front end of scalp acupuncture to reach the effect of blood return prevention by the mode of syphon drainage; but the structural design more complicated of drainage strip; processing technology is very loaded down with trivial details; production cost is higher, is difficult to accomplish scale production.
The utility model content
First purpose of the present utility model be to provide a kind of one-shot forming, processing technology simple, easy to use, can greatly reduce production costs, can large-scale production, effectively realize the intelligent automatic liquid-stopping blood return prevention China ink Fei Shi pipe of return blood.
Second purpose of the present utility model is to provide a kind of transfusion device that uses above-mentioned automatic liquid-stopping blood return prevention China ink Fei Shi pipe.
First purpose of the present utility model realizes by following technical measures: a kind of intelligent automatic liquid-stopping blood return prevention China ink Fei Shi pipe, comprise body and be located at the dropper of body internal upper part, described body has upper interface and lower interface, upper interface is the upper port of described dropper, bottom at described body is provided with filter, described filter has the enclosed cavity chamber, be provided with at described enclosed cavity indoor horizontal this chamber is divided into, the filter membrane of lower space, vertically be provided with the feed tube that is communicated with described chamber upper space and body on the described chamber end face, the porch of described feed tube is provided with and utilizes surface tension of liquid so that medicinal liquid is postponed the open-celled structure of inflow, the bottom surface of described sealing chamber has the liquid outlet as described lower interface, it is characterized in that described chamber end face is provided with the weepage holes that is communicated with described chamber upper space and body, so that when flowing into without medicinal liquid in the body, debris between chamber end face and feed tube entrance slowly flows through filter membrane by described weepage holes, realizes automatic liquid-stopping blood return prevention function.
This utility model is not when having medicinal liquid to flow into automatic liquid-stopping blood return prevention China ink Fei Shi pipe, between chamber end face and inlet opening entrance, can leave a certain amount of residual liquid, this residual liquid can't flow into filter membrane at short notice, but slowly flow into filter membrane by weepage holes, and enter in the downcomer until thereby the vein scalp acupuncture is discharged transfusion device, realize the function of automatic liquid-stopping blood return prevention; In addition, in medicinal liquid flows into the body of automatic liquid-stopping blood return prevention China ink Fei Shi pipe, because the surface tension effects of the open-celled structure on the feed tube is so that medicinal liquid can not soak filter membrane at short notice, so that the air in the body can enter in the downcomer until thereby the vein scalp acupuncture is discharged transfusion device, to realize self-bleeding function by filter membrane.This utility model can save the operation link of the manual aerofluxus of nursing staff, reduces workload, and is easy to use, increases work efficiency; And this utility model one-shot forming, processing technology are simple, can greatly reduce cost, accomplish scale production.
As a kind of improvement of the present utility model, be provided with vertical short metal pipe at described chamber end face, described weepage holes is opened on the tube wall of this short metal pipe, and the peritreme of described weepage holes bottom contacts with described chamber end face and debris is discharged body fully.Making has the short metal pipe of weepage holes and easily realizes on technique.
As a kind of embodiment of the present utility model, the sealing chamber of described filter is fastened up and down by loam cake and lower cover and forms, the bottom of described lower cover is provided with the connection tube that communicates with described lower space, the lower end mouth of pipe of described connection tube is described liquid outlet, described short metal pipe and feed tube all are positioned on the upper surface of described loam cake, and the top closure of described feed tube and its tube wall are provided with open-celled structure.
As further improvement of the utility model, described short metal pipe stretches out the formation upper pipeline section that is positioned at the loam cake upper surface and the lower tube section that is positioned at the loam cake lower surface to the lower surface of loam cake, described lower tube section is gradually-reducing shape downwards, and the mouth of pipe of described lower tube section is pressed close to the upper surface of described filter membrane as the liquid outlet of debris.
This utility model can have following embodiment, described open-celled structure at least one inlet opening for offering along the tube wall top circumference of feed tube, and the upper hole of described inlet opening is along being positioned on the top end face of described feed tube.
Body described in the utility model is comprised of pipe shaft, the top connection of being located at the pipe shaft two ends and lower contact, described upper and lower interface lays respectively on the described upper and lower joint, the upper surface periphery of described loam cake has annular boss, described feed tube and short metal pipe all are located in this annular boss, described boss is fastened in the bottom of described pipe shaft, the base circumference of described boss has flange, and the lower end of described body is tightly placed on the circumference of described flange.
This utility model can be done following further improvement, has on the described pipe shaft for the steam vent with the Bas Discharged external world in the body.In the automatic liquid-stopping process, the residual air in the body can be discharged from steam vent.
As optimal way of the present utility model, described short metal pipe is made by Steel material, and as other embodiment, the material of short metal pipe also can be selected the metal materials such as ferrum is gold-plated, ferrum is silver-plated.
Second purpose of the present utility model realizes by following technical measures: a kind of transfusion device that uses above-mentioned automatic liquid-stopping blood return prevention China ink Fei Shi pipe, comprise the female Luer that is connected by tube for transfusion, characterized by further comprising and be arranged on female Luer with the automatic liquid-stopping blood return prevention China ink Fei Shi pipe of any position of upper pipeline, described automatic liquid-stopping blood return prevention China ink Fei Shi pipe comprises body and is located at the dropper of body internal upper part, described body has upper interface and lower interface, upper interface is the upper port of described dropper, bottom at described body is provided with filter, described filter has the enclosed cavity chamber, be provided with at described enclosed cavity indoor horizontal this chamber is divided into, the filter membrane of lower space, vertically be provided with the feed tube that is communicated with described chamber upper space and body on the described chamber end face, the porch of described feed tube is provided with and utilizes surface tension of liquid so that medicinal liquid is postponed the open-celled structure of inflow, the bottom surface of described sealing chamber has the liquid outlet as described lower interface, described chamber end face is provided with the weepage holes that is communicated with described chamber upper space and body, so that when flowing into without medicinal liquid in the body, debris between chamber end face and feed tube entrance slowly flows through filter membrane by described weepage holes, realizes automatic liquid-stopping blood return prevention function.
As a kind of embodiment of the present utility model, described transfusion device comprises bottle plug puncture unit, air filter, black Fei Shi pipe, flow regulator and the vein scalp acupuncture that connects successively by tube for transfusion from top to bottom, wherein, described female Luer is between flow regulator and vein scalp acupuncture, and described automatic liquid-stopping blood return prevention China ink Fei Shi pipe is between described air filter and described black Fei Shi pipe.
As another kind of embodiment of the present utility model, described transfusion device comprises bottle plug puncture unit, air filter, black Fei Shi pipe, flow regulator and the vein scalp acupuncture that connects successively by tube for transfusion from top to bottom, wherein, described female Luer is between flow regulator and vein scalp acupuncture, and described automatic liquid-stopping blood return prevention China ink Fei Shi pipe is between described black Fei Shi pipe and described flow regulator.
As other embodiment of the present utility model, described transfusion device comprises bottle plug puncture unit, air filter, black Fei Shi pipe, flow regulator and the vein scalp acupuncture that connects successively by tube for transfusion from top to bottom, wherein, described female Luer is between flow regulator and vein scalp acupuncture, and described automatic liquid-stopping blood return prevention China ink Fei Shi pipe is between described flow regulator and described female Luer.
Compared with prior art, the utlity model has following significant effect:
⑴ when flowed when the medicinal liquid in the medicinal liquid bottle, namely there is not medicinal liquid to flow into this utility model automatic liquid-stopping blood return prevention China ink Fei Shi pipe, between filter end face and feed tube entrance, can leave a certain amount of residual liquid, this residual liquid can't flow into filter membrane at short notice, but slowly flow into filter membrane by weepage holes, and enter in the downcomer until thereby the vein scalp acupuncture is discharged transfusion device, realize within a certain period of time automatic liquid-stopping blood return prevention function, the blood back phenomenon of having avoided the nursing staff to fail in time to change infusion bottle or removal transfusion device and having occurred, save the operation link of the manual aerofluxus of nursing staff, reduce workload, easy to use, increase work efficiency.
⑵ manage when medicinal liquid flows into this utility model automatic liquid-stopping blood return prevention China ink Fei Shi, because the surface tension effects of the open-celled structure on the feed tube is so that medicinal liquid can not soak filter membrane at short notice, so that the air in the body can enter in the downcomer until thereby the vein scalp acupuncture is discharged transfusion device by filter membrane, realize self-bleeding function, save the operation link of the manual aerofluxus of nursing staff, reduce workload, easy to use, increase work efficiency.
⑶ when changing medicinal liquid bottle, behind the extruding automatic liquid-stopping blood return prevention China ink Fei Shi pipe, because the suction function that produces is so that medicinal liquid enters in the filter by feed tube, the air in the filter can be discharged by steam vent, has therefore avoided when changing the second bottle liquid medicine bottle liquid to stop the phenomenon of dripping.
⑷ the one-shot forming of this utility model automatic liquid-stopping blood return prevention China ink Fei Shi pipe, processing technology is simple, can greatly reduce cost, can accomplish scale production.
⑸ of the present utility model simple in structure, and the suitability is strong, can be widely used in the medical institutions such as clinic, hospital.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of this utility model transfusion device;
Fig. 2 is the structural representation of this utility model automatic liquid-stopping blood return prevention China ink Fei Shi pipe;
Fig. 3 is the structural representation (height of annular boss reduces) of loam cake;
Fig. 4 is the perspective diagram of lower cover.
The specific embodiment
Embodiment 1
Shown in Fig. 2～4, it is a kind of intelligent automatic liquid-stopping blood return prevention China ink Fei Shi pipe 1 of this utility model, comprise body and be located at the dropper 5 of body internal upper part, body has upper interface and lower interface, upper interface is the upper port of dropper 5, be provided with filter 6 in the bottom of body, filter 6 has the sealing chamber, be provided with at the enclosed cavity indoor horizontal this chamber is divided into, the filter membrane 9 of lower space, vertically be provided with the feed tube 11 that is communicated with chamber upper space and body on the chamber end face, entrance 12 places of feed tube 11 are provided with and utilize surface tension of liquid so that medicinal liquid is postponed the open-celled structure of inflow, the bottom surface of sealing chamber has the liquid outlet 82 as lower interface, the chamber end face is provided with the weepage holes 20 that is communicated with chamber upper space and body, so that when flowing into without medicinal liquid in the body, debris between chamber end face and feed tube entrance slowly flows through filter membrane by weepage holes, realizes the function of automatic liquid-stopping blood return prevention.
Be provided with vertical short metal pipe 30 at the chamber end face, short metal pipe 30 is made by Steel material, and weepage holes 20 is opened on the tube wall of this short metal pipe 30, and in the present embodiment, weepage holes 20 forms circular peritreme downwards after the mouth of pipe of short metal pipe 30 is kept straight on.The peritreme bottom of weepage holes 20 contacts with the chamber end face and debris is discharged body fully; The sealing chamber of filter 6 is fastened up and down by loam cake 7 and lower cover 8 and forms, the bottom of lower cover 8 is provided with the connection tube 81 that communicates with the lower space of filter 6, the lower end mouth of pipe of connection tube 81 is liquid outlet 82, short metal pipe 30 all is positioned on the upper surface of loam cake 7 with feed tube 11, and the top closure of feed tube 11 and its tube wall are provided with open-celled structure.In the present embodiment, the top closure of feed tube 11 and open-celled structure are positioned on its tube wall, three inlet openings (not shown in FIG.) of open-celled structure for offering along the tube wall top circumference of feed tube 11, and the upper hole of inlet opening is along being positioned on the top end face of feed tube 11.
Body is comprised of pipe shaft, the top connection of being located at the pipe shaft two ends and lower contact, upper and lower interface lays respectively on the upper and lower joint, as shown in Figure 3, the upper surface periphery of loam cake 7 has annular boss, feed tube 11 all is located in this annular boss with short metal pipe 30, boss is fastened in the bottom of pipe shaft, and the base circumference of boss has flange 72, and the lower end of body is tightly placed on the circumference of flange 72.Have on the pipe shaft for the steam vent 50 with the Bas Discharged external world in the body.In the automatic vent process, the air in the body is discharged extraneous by steam vent.
As shown in Figure 1, a kind of transfusion device that uses above-mentioned automatic liquid-stopping blood return prevention China ink Fei Shi pipe, comprise the female Luer 16 that is connected by tube for transfusion, also comprise and be arranged on female Luer 16 and have filter with the automatic liquid-stopping blood return prevention of any position of upper pipeline China ink Fei Shi pipe 1(), in the present embodiment, transfusion device comprises from top to bottom and (comprises connecting duct 10 by tube for transfusion, upper conduit 2 and downcomer 15) bottle plug puncture unit 3 that connects successively, air filter 4, China ink Fei Shi pipe 40(is without the black Fei Shi pipe of filter), flow regulator 14 and vein scalp acupuncture 17, female Luer 16 is between flow regulator 14 and vein scalp acupuncture 17, wherein, China ink Fei Shi pipe 40 comprises body and is located at the dropper 51 of body internal upper part, has medicine feeding hole 18 on the tube wall top of body; Automatic liquid-stopping blood return prevention China ink Fei Shi pipe 1 is between black Fei Shi pipe 40 and flow regulator 14.Automatic liquid-stopping blood return prevention China ink Fei Shi pipe 1 comprises body and is located at the dropper 5 of body internal upper part, body has upper interface and lower interface, upper interface is the upper port of dropper 5, be provided with filter 6 in the bottom of body, filter 6 has the sealing chamber, be provided with at the enclosed cavity indoor horizontal this chamber is divided into, the filter membrane 9 of lower space, vertically be provided with the feed tube 11 that is communicated with chamber upper space and body on the chamber end face, the porch of feed tube 11 is provided with and utilizes surface tension of liquid so that medicinal liquid is postponed the open-celled structure of inflow, the bottom surface of sealing chamber has the liquid outlet as lower interface, the chamber end face is provided with the weepage holes 20 that is communicated with chamber upper space and body, so that when flowing into without medicinal liquid in the body, debris between chamber end face and feed tube entrance, slowly flow through filter membrane by weepage holes, realize the function of automatic liquid-stopping blood return prevention.
Embodiment 2
The transfusion device difference is among the present embodiment (not drawing among the figure) and the embodiment 1: automatic liquid-stopping blood return prevention China ink Fei Shi pipe (having filter) is positioned between air filter and the black Fei Shi pipe (without the black Fei Shi pipe of filter).
Embodiment 3
The transfusion device difference is among the present embodiment (not drawing among the figure) and the embodiment 1: automatic liquid-stopping blood return prevention China ink Fei Shi pipe (having filter) is between flow regulator and female Luer.
Automatic liquid-stopping blood return prevention principle of the present utility model is: the debris in the automatic liquid-stopping blood return prevention China ink Fei Shi pipe (between the loam cake of the entrance of feed tube and filter) flows on the filter membrane lentamente by the weepage holes trace, thereby plays only liquid and blood return prevention effect; When changing medicinal liquid bottle, behind the extruding automatic liquid-stopping blood return prevention China ink Fei Shi pipe, because the suction function that produces so that medicinal liquid enter in the filter by feed tube, continue transfusion, air in the filter can be discharged by steam vent, has therefore avoided when changing the second bottle liquid medicine bottle liquid to stop the phenomenon of dripping; In addition, in the time can not in time changing medicinal liquid bottle, owing to remaining in the gravity drainage effect of a small amount of medicinal liquid in entrance below of feed tube, namely this medicinal liquid by the weepage holes trace stream to the filter membrane and until flow to the vein scalp acupuncture, therefore can produce a malleation to the blood in the human vas, thereby realize within a certain period of time effectively blood return prevention effect.
Automatic liquid-stopping of the present utility model and blood return prevention process are: after the medicinal liquid in the medicinal liquid bottle has flowed to the automatic liquid-stopping blood return prevention in the black Fei Shi pipe, if the nursing staff fails in time to change bottle transfusion or removal transfusion device, because the surface tension of filter membrane reaches balance with the gravity of medicinal liquid, cause the medicinal liquid in the downcomer not flow, simultaneously, remaining a small amount of debris is still passed through the weepage holes trace stream to filter membrane between the entrance of feed tube and the upper surface of filter cover, and flow into the vein scalp acupuncture through downcomer again by filter membrane and enter in the human body, thereby play the blood return prevention effect in the certain hour, until the surface tension of filter membrane is reached new balance with the gravity of medicinal liquid again, realize the effect of relative automatic liquid-stopping blood return prevention.
Embodiment of the present utility model is not limited to this, according to foregoing of the present utility model, ordinary skill knowledge and customary means according to this area, do not breaking away under the above-mentioned basic fundamental thought of this utility model prerequisite, the structure of the concrete form of open-celled structure of the present utility model, the quantity of inlet opening, filter also has other embodiment, in addition, the setting position of automatic liquid-stopping blood return prevention China ink Fei Shi pipe on the transfusion device pipeline has numerous embodiments, only need be arranged on the above pipeline of female Luer and all can realize this utility model purpose; Therefore this utility model can also be made modification, replacement or the change of other various ways, all drops within this utility model rights protection scope.
Claims (10)
1. an intelligent automatic liquid-stopping blood return prevention China ink Fei Shi manages, comprise body and be located at the dropper of body internal upper part, described body has upper interface and lower interface, upper interface is the upper port of described dropper, bottom at described body is provided with filter, described filter has the enclosed cavity chamber, be provided with at described enclosed cavity indoor horizontal this chamber is divided into, the filter membrane of lower space, vertically be provided with the feed tube that is communicated with described chamber upper space and body on the described chamber end face, the porch of described feed tube is provided with and utilizes surface tension of liquid so that medicinal liquid is postponed the open-celled structure of inflow, the bottom surface of described sealing chamber has the liquid outlet as described lower interface, it is characterized in that: described chamber end face is provided with the weepage holes that is communicated with described chamber upper space and body, so that when flowing into without medicinal liquid in the body, debris between chamber end face and feed tube entrance slowly flows through filter membrane by described weepage holes, realizes automatic liquid-stopping blood return prevention function.
2. intelligent automatic liquid-stopping blood return prevention China ink Fei Shi according to claim 1 manages, it is characterized in that: be provided with vertical short metal pipe at described chamber end face, described weepage holes is opened on the tube wall of this short metal pipe, and the peritreme of described weepage holes bottom contacts with described chamber end face and debris is discharged body fully.
3. intelligent automatic liquid-stopping blood return prevention China ink Fei Shi according to claim 2 manages, it is characterized in that: the sealing chamber of described filter is fastened up and down by loam cake and lower cover and forms, the bottom of described lower cover is provided with the connection tube that communicates with described lower space, the lower end mouth of pipe of described connection tube is described liquid outlet, described short metal pipe and feed tube all are positioned on the upper surface of described loam cake, and the top closure of described feed tube and its tube wall are provided with open-celled structure.
4. intelligent automatic liquid-stopping blood return prevention China ink Fei Shi according to claim 3 manages, it is characterized in that: described short metal pipe stretches out the formation upper pipeline section that is positioned at the loam cake upper surface and the lower tube section that is positioned at the loam cake lower surface to the lower surface of loam cake, described lower tube section is gradually-reducing shape downwards, and the mouth of pipe of described lower tube section is pressed close to the upper surface of described filter membrane as the liquid outlet of debris.
5. each described intelligent automatic liquid-stopping blood return prevention China ink Fei Shi manages according to claim 1～4, it is characterized in that: described open-celled structure at least one inlet opening for offering along the tube wall top circumference of feed tube, the upper hole of described inlet opening is along being positioned on the top end face of described feed tube; Have on the described pipe shaft for the steam vent with the Bas Discharged external world in the body.
6. intelligent automatic liquid-stopping blood return prevention China ink Fei Shi according to claim 5 manages, it is characterized in that: described body is comprised of pipe shaft, the top connection of being located at the pipe shaft two ends and lower contact, described upper and lower interface lays respectively on the described upper and lower joint, the upper surface periphery of described loam cake has annular boss, described feed tube and short metal pipe all are located in this annular boss, described boss is fastened in the bottom of described pipe shaft, the base circumference of described boss has flange, and the lower end of described body is tightly placed on the circumference of described flange.
7. a right to use requires the transfusion device of 1 described automatic liquid-stopping blood return prevention China ink Fei Shi pipe, comprise the female Luer that is connected by tube for transfusion, it is characterized in that: also comprise being arranged on female Luer with the automatic liquid-stopping blood return prevention China ink Fei Shi pipe of any position of upper pipeline, described automatic liquid-stopping blood return prevention China ink Fei Shi pipe comprises body and is located at the dropper of body internal upper part, described body has upper interface and lower interface, upper interface is the upper port of described dropper, bottom at described body is provided with filter, described filter has the enclosed cavity chamber, be provided with at described enclosed cavity indoor horizontal this chamber is divided into, the filter membrane of lower space, vertically be provided with the feed tube that is communicated with described chamber upper space and body on the described chamber end face, the porch of described feed tube is provided with and utilizes surface tension of liquid so that medicinal liquid is postponed the open-celled structure of inflow, the bottom surface of described sealing chamber has the liquid outlet as described lower interface, described chamber end face is provided with the weepage holes that is communicated with described chamber upper space and body, so that when flowing into without medicinal liquid in the body, debris between chamber end face and feed tube entrance slowly flows through filter membrane by described weepage holes, realizes automatic liquid-stopping blood return prevention function.
8. transfusion device according to claim 7, it is characterized in that: described transfusion device comprises bottle plug puncture unit, air filter, black Fei Shi pipe, flow regulator and the vein scalp acupuncture that connects successively by tube for transfusion from top to bottom, wherein, described female Luer is between flow regulator and vein scalp acupuncture, and described automatic liquid-stopping blood return prevention China ink Fei Shi pipe is between described air filter and described black Fei Shi pipe.
9. transfusion device according to claim 7, it is characterized in that: described transfusion device comprises bottle plug puncture unit, air filter, black Fei Shi pipe, flow regulator and the vein scalp acupuncture that connects successively by tube for transfusion from top to bottom, wherein, described female Luer is between flow regulator and vein scalp acupuncture, and described automatic liquid-stopping blood return prevention China ink Fei Shi pipe is between described black Fei Shi pipe and described flow regulator.
10. transfusion device according to claim 7, it is characterized in that: described transfusion device comprises bottle plug puncture unit, air filter, black Fei Shi pipe, flow regulator and the vein scalp acupuncture that connects successively by tube for transfusion from top to bottom, wherein, described female Luer is between flow regulator and vein scalp acupuncture, and described automatic liquid-stopping blood return prevention China ink Fei Shi pipe is between described flow regulator and described female Luer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220383533 CN202822283U (en) | 2012-08-03 | 2012-08-03 | Intelligent automatic liquid-stop blood return prevention Murphy's tube and infusion device using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220383533 CN202822283U (en) | 2012-08-03 | 2012-08-03 | Intelligent automatic liquid-stop blood return prevention Murphy's tube and infusion device using same |
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| CN202822283U true CN202822283U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220383533 Expired - Fee Related CN202822283U (en) | 2012-08-03 | 2012-08-03 | Intelligent automatic liquid-stop blood return prevention Murphy's tube and infusion device using same |
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| CN (1) | CN202822283U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102836474A (en) * | 2012-08-03 | 2012-12-26 | 肖芳 | Intelligent automatic liquid-stopping blood-returning prevention Murphy tube and transfusion device including the same |
| CN104399141A (en) * | 2014-12-16 | 2015-03-11 | 山东新华安得医疗用品有限公司 | Multi-functional slow-emptying and exhausting infusion apparatus |
-
2012
- 2012-08-03 CN CN 201220383533 patent/CN202822283U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102836474A (en) * | 2012-08-03 | 2012-12-26 | 肖芳 | Intelligent automatic liquid-stopping blood-returning prevention Murphy tube and transfusion device including the same |
| CN102836474B (en) * | 2012-08-03 | 2015-09-23 | 肖芳 | Intelligent automatic liquid-stopping blood return prevention Murphy pipe and transfusion device thereof |
| CN104399141A (en) * | 2014-12-16 | 2015-03-11 | 山东新华安得医疗用品有限公司 | Multi-functional slow-emptying and exhausting infusion apparatus |
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