CN2843480Y - Microdose liquid continuous injector - Google Patents
Microdose liquid continuous injector Download PDFInfo
- Publication number
- CN2843480Y CN2843480Y CN 200520088090 CN200520088090U CN2843480Y CN 2843480 Y CN2843480 Y CN 2843480Y CN 200520088090 CN200520088090 CN 200520088090 CN 200520088090 U CN200520088090 U CN 200520088090U CN 2843480 Y CN2843480 Y CN 2843480Y
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- China
- Prior art keywords
- liquid
- screw rod
- pump housing
- infusion device
- rear pump
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- Expired - Lifetime
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Abstract
The utility model relates to a micro-dose liquid continuous transfusion device, which comprises an output pump casing body, wherien, a liquid storage cavity and an output through hole is arranged on the front part of the output pump casing body. The utility model is characterized in that an inner thread which is connected with a screw rod body is arranged on the inner circumjacent wall of the rear part of the output pump casing body, a water-absorbing expansion body and a push block thereof are arranged on the front end part of the screw rod body, and the push block is used for compressing the space of the liquid storage cavity; a liquid containing chamber is arranged in the screw rod body, a liquid guiding piece is arranged between the liquid containing chamber and the water-absorbing expansion body, and liquid is favorably transfused to the expansion body via the liquid guiding piece. Not only automatic continuous micro-dose liquid transfusion can be realized by the utility model, but also the utility model has the function of large dose transfusion. The utility model has the advantages of simple structure, low cost, convenient regulation and control and good use effect; the utility model is especially suitable for being used for the transfusion of medicinal liquid, such as insulin or anodyne, etc.
Description
Affiliated technical field
This utility model relates to a kind of micro liquid continuous infusion device.
Background technology
At medical field, can carry out infusion with substantially invariable flow in order to make medicinal liquid, adopt pressure infusion more.The pressure infusion pump that has employing to promote in existing this type of syringe by microprocessor-controlIed motor machine, however this pressure infusion pump is complex structure not only, cost an arm and a leg, weight and volume is all bigger, and also needs to be equipped with power supply in use, so be difficult to generally promote; Also has a kind of patented product that is 01252485.9 and is called " adding pressure type fusion case " as the patent No., though this product cost is low, and can realize the infusion that pressurizes, but owing to be manual pressure, this can carry out micro-infusion with regard to being difficult to guarantee with constant and lasting flow when the medicines such as similar insulin of infusion or analgesic.
Summary of the invention
The purpose of this utility model is that a kind of micro liquid continuous infusion device will be provided, and this device not only can be realized automatic continuous micro liquid infusion, and has heavy dose of infusion function, to be user-friendly to.
This utility model is to constitute like this, it comprises that the front portion has the rear pump housing of liquid storage cylinder and output port, it is characterized in that: described rear pump housing rear portion internal perisporium is provided with female thread and is connected with a screw rod bulk phase, described screw rod body leading section is provided with the imbibition body and in order to compression liquid storage cylinder spatial pushing block, be provided with liquid storage chamber in the screw rod body, described liquid storage chamber is provided with the drain spare of transporting to expander in order to liquid between the imbibition body.
In order to prevent the intravital water of imbibition to external leakage, above-mentioned screw rod body leading section is provided with waterproof apron.In order to help the suction of drain spare, be provided with the floccule that can contact with drain spare in the described liquid storage chamber in order to its suction.
Major advantage of the present utility model is: the one: the micro liquid that utilizes drain spare to ooze out, make the imbibition volume expansion with infusion power as this device, the former interior liquid of liquid storage cylinder that can make can be with the successive outflow of substantially invariable speed, thereby realize the purpose of automatic continuous micro liquid infusion, the 2nd: automatic continuous micro liquid infusion, not only help the absorption that human body slowly continues medicinal liquid, and can effectively avoid causing human body accident uncomfortable and reaction to take place as the bad injection of medicinal liquids such as insulin and analgesic.The 3rd: volume is little, and is in light weight, is easy to carry, and uses operating process simple, easily learns, and easily grasps; The 4th: safe and reliable, can alleviate medical personnel's workload, because the existence of imbibition volume expansion pressure, after transfusion finished, blood back more can not be input into air.
Description of drawings
Fig. 1 is this utility model embodiment one organigram.
Fig. 2 is this utility model embodiment two organigrams.
Fig. 3 is this utility model embodiment three organigrams.
Fig. 4 is this utility model embodiment four organigrams.
Fig. 5 is the vertical view of embodiment four.
Among Fig. 1: the 1-fluid-directing rod revolves handle; 2-fluid-directing rod rear threads; 3-liquid storage chamber; The 4-fluid-directing rod; 5-screw rod body front end-plate; The 6-pushing block; The 7-liquid storage cylinder; 8-exports port; 9-rear pump housing; 10-imbibition body; 11-feed liquor duct; 12-screw rod body end plate; The 13-film
Among Fig. 2: the 14-fluid-directing rod revolves handle; 15-fluid-directing rod rear threads; 16-liquid storage chamber; The 17-fluid-directing rod; 18-screw rod body front end-plate; 19-branch sleeve female thread; The 20-pushing block; The 21-liquid storage cylinder; 22-exports port; 23-rear pump housing external screw thread; The 24-branch sleeve; 25-imbibition body; 26-feed liquor duct; 27-screw rod body end plate.
Among Fig. 3: the 28-micro liquid continuous infusion device; 29-exports port; The 30-tube for transfusion; The 31-infusion port; The 32-syringe needle; The 33-infusion port; 34-rear pump housing; 35-is imitated the liquid infusion device in short-term; 36-screw rod body.
Among Fig. 4 and Fig. 5: 37-rear pump housing; The 38-liquid storage cylinder; 39-rear pump housing female thread; 40-has the rotation scale of gear ring; 41-fluid-directing rod external screw thread; The 42-Location resilient piece; The 43-fluid-directing rod; 44-imbibition body; The 45-pushing block; The 46-switching device; 47-exports port; 48-medicinal liquid preliminary filling bag; The 49-screw rod
The specific embodiment
Referring to Fig. 1, this utility model embodiment one comprises that the front portion has the rear pump housing of liquid storage cylinder and output port, it is characterized in that: described rear pump housing rear portion internal perisporium is provided with female thread and is connected with a screw rod bulk phase, described screw rod body leading section is provided with the imbibition body and in order to compression liquid storage cylinder spatial pushing block, be provided with liquid storage chamber in the screw rod body, described liquid storage chamber is provided with the drain spare of transporting to expander in order to liquid between the imbibition body.
Above-mentioned rear pump housing is the pin cylindrical body; Described liquid storage chamber is penetrated with fluid-directing rod; The rear portion of described fluid-directing rod is provided with screw thread, is connected with screwed hole on the screw rod body end plate, and fluid-directing rod rear end extension is provided with and revolves handle; The front end of fluid-directing rod stretches into the imbibition body by the feed liquor duct on the screw rod body front end-plate, and the pushing block that is positioned at imbibition body front side is plunger (as a plug).
During work, liquid in the screw rod body liquid storage chamber is slowly transported to the imbibition body through fluid-directing rod, plunger slowly moves ahead under the effect of the swollen tension of imbibition body and promotes liquid in the liquid storage cylinder slowly through the output of output port, thereby realizes automatic continuous micro liquid infusion.
When the user need carry out heavy dose of infusion, rotatable screw rod made screw rod promote pushing block compression liquid storage cylinder through the imbibition body, and liquid infusion is accelerated.
When the user needs trace to regulate the transfusion progress, can be through revolving the contact length of regulating fluid-directing rod and imbibition body.As be rotated in the forward, fluid-directing rod moves ahead, and the imbibition body quickens to expand, and liquid infusion is accelerated; As reverse rotation, contract behind the fluid-directing rod, imbibition body water absorption is little, slowly expands, and then the liquid infusion flow velocity reduces.
The construction features of this utility model embodiment two are, the periphery wall at described rear pump housing rear portion the branch sleeve that its rear portion internal perisporium has female thread through thread connection, and described screw rod is connected with this female thread, can screw in the rear pump housing.The purpose of this design is to make rear pump housing and branch sleeve and screw rod to be separated, select better material manufacture branch sleeve and screw rod for use, not only help improving the functional reliability of this device, and help repeatedly using repeatedly of this assembly, thereby reduce user's spending.
The construction features of this utility model embodiment three are, the output port of described rear pump housing is connected by one of them infusion port that tube for transfusion and has the syringe needle of two infusion ports, another infusion port of described syringe needle through tube for transfusion with imitate the liquid infusion device in short-term and be connected, the described liquid infusion device of imitating in short-term constitutes by the rear pump housing with output port with the joining screw rod body of rear pump housing rear internal thread.This embodiment is applicable to the situation that needs two kinds of medicinal liquids of infusion simultaneously, and particularly wherein a kind of medicinal liquid is for imitating the situation of infusion in short-term.
This utility model embodiment four structures are referring to Fig. 4, and Fig. 5. and its construction features are that the liquid storage cylinder of (1) described rear pump housing front side is provided with medicinal liquid preliminary filling bag, and the tube for transfusion of medicinal liquid preliminary filling bag stretches out by the output port of rear pump housing; Described output port is provided with the switching device (as the adjustment screw device) of able to turn on or off tube for transfusion flow area; Described imbibition body is positioned at the cavity of screw rod body front end; Described cavity rear lateral portion is provided with the feed liquor duct that communicates with liquid storage chamber; Described feed liquor is equipped with drain spare in the duct.(2) described drain spare is the water-absorption fiber line, and water-absorption fiber line one end boundling becomes elongate rod to stretch into liquid storage chamber, and the side of being close to the inlet opening in liquid storage chamber is provided with one deck adsorptive pads, and the other end of water-absorption fiber line contacts with the imbibition body.(3) described screw rod body rear portion is provided with the rotation scale that the periphery has gear ring, the corresponding Location resilient piece that is provided with the gear ring cooperating on the described rear pump housing peripheral part.
This utility model embodiment four is work like this: the imbibition body is prolonged expansion after water-absorption fiber continues suction from liquid storage chamber; (9) the imbibition body promotes pushing block to the liquid storage cylinder application of force; Pushing block extruding medicinal liquid preliminary filling bag makes the medicinal liquid in the medicinal liquid preliminary filling bag continue outwards to infuse with constant flow rate along tube for transfusion.When medicinal liquid preliminary filling bag is flattened fully, medicinal liquid stops outside output.
When user's rotary screw, make screw rod directly drive pushing block compression medicinal liquid preliminary filling bag, liquid infusion is accelerated.; By the indication of rotation scale, can show the rotational angle and the corresponding amount of liquid medicine of discharging thereof of screw rod.
This utility model is novel, and is reasonable in design, and regulation and control make things convenient for result of use good, and its market prospect is considerable.
Claims (10)
1, a kind of micro liquid continuous infusion device, comprise that the front portion has the rear pump housing of liquid storage cylinder and output port, it is characterized in that: described rear pump housing rear portion internal perisporium is provided with female thread and is connected with a screw rod bulk phase, described screw rod body leading section is provided with the imbibition body and in order to compression liquid storage cylinder spatial pushing block, be provided with liquid storage chamber in the screw rod body, described liquid storage chamber is provided with the drain spare of transporting to expander in order to liquid between the imbibition body.
2, micro liquid continuous infusion device according to claim 1 is characterized in that: described screw rod body leading section is provided with waterproof apron, is provided with the floccule that can contact with drain spare in order to its suction in the described liquid storage chamber.
3, micro liquid continuous infusion device according to claim 1 and 2 is characterized in that: described rear pump housing is the pin cylindrical body; Described liquid storage chamber is penetrated with fluid-directing rod; The rear portion of described fluid-directing rod is provided with screw thread, is connected with screwed hole on the screw rod body end plate, and fluid-directing rod rear end extension is provided with and revolves handle; The front end of fluid-directing rod stretches into the imbibition body by the feed liquor duct on the screw rod body front end-plate, and the pushing block that is positioned at imbibition body front side is a plunger.
4, micro liquid continuous infusion device according to claim 1 and 2, it is characterized in that: the periphery wall at described rear pump housing rear portion the branch sleeve that its rear portion internal perisporium has female thread through thread connection, described screw rod is connected with this female thread, can screw in the rear pump housing.
5, micro liquid continuous infusion device according to claim 3 is characterized in that: the periphery wall at described rear pump housing rear portion the branch sleeve that its rear portion internal perisporium has female thread through thread connection, and described screw rod is connected with this female thread.
6, micro liquid continuous infusion device according to claim 4, it is characterized in that: the output port of described rear pump housing is connected by one of them infusion port that tube for transfusion and has the syringe needle of two infusion ports, another infusion port of described syringe needle through tube for transfusion with imitate the liquid infusion device in short-term and be connected, the described liquid infusion device of imitating in short-term constitutes by the rear pump housing with output port with the joining screw rod body of rear pump housing rear internal thread.
7, micro liquid continuous infusion device according to claim 5, it is characterized in that: the output port of described rear pump housing is connected by one of them infusion port that tube for transfusion and has the syringe needle of two infusion ports, another infusion port of described syringe needle through tube for transfusion with imitate the liquid infusion device in short-term and be connected, the described liquid infusion device of imitating in short-term constitutes by the rear pump housing with output port with the joining screw rod body of rear pump housing rear internal thread.
8, micro liquid continuous infusion device according to claim 1 is characterized in that: the liquid storage cylinder of described rear pump housing front side is provided with medicinal liquid preliminary filling bag, and the tube for transfusion of medicinal liquid preliminary filling bag stretches out by the output port of rear pump housing; Described output port is provided with the switching device of able to turn on or off tube for transfusion flow area; Described imbibition body is positioned at the cavity of screw rod body front end; Described cavity rear lateral portion is provided with the feed liquor duct that communicates with liquid storage chamber; Described feed liquor is equipped with drain spare in the duct.
9, micro liquid continuous infusion device according to claim 8 is characterized in that: described liquid storage chamber is penetrated with fluid-directing rod; The rear portion of described fluid-directing rod is provided with screw thread, is connected with screwed hole on the screw rod body end plate; The front end of fluid-directing rod stretches into the imbibition body by the feed liquor duct on the screw rod body front end-plate.
10, micro liquid continuous infusion device according to claim 9 is characterized in that: described screw rod body rear portion is provided with the rotation scale that the periphery has gear ring, the corresponding Location resilient piece that is provided with the gear ring cooperating on the described rear pump housing peripheral part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088090 CN2843480Y (en) | 2005-10-22 | 2005-10-22 | Microdose liquid continuous injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520088090 CN2843480Y (en) | 2005-10-22 | 2005-10-22 | Microdose liquid continuous injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2843480Y true CN2843480Y (en) | 2006-12-06 |
Family
ID=37485436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520088090 Expired - Lifetime CN2843480Y (en) | 2005-10-22 | 2005-10-22 | Microdose liquid continuous injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2843480Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117817382A (en) * | 2024-03-04 | 2024-04-05 | 江苏博林机械制造有限公司 | Novel bearing support device of boring bar |
-
2005
- 2005-10-22 CN CN 200520088090 patent/CN2843480Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117817382A (en) * | 2024-03-04 | 2024-04-05 | 江苏博林机械制造有限公司 | Novel bearing support device of boring bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090624 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |