CN201164626Y - Continuous trace amount intravenous transfusion system pushed by spring - Google Patents
Continuous trace amount intravenous transfusion system pushed by spring Download PDFInfo
- Publication number
- CN201164626Y CN201164626Y CNU2008200174018U CN200820017401U CN201164626Y CN 201164626 Y CN201164626 Y CN 201164626Y CN U2008200174018 U CNU2008200174018 U CN U2008200174018U CN 200820017401 U CN200820017401 U CN 200820017401U CN 201164626 Y CN201164626 Y CN 201164626Y
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- disposable syringe
- sleeve
- spring
- socket cover
- syringe
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Abstract
The utility model belongs to the medical appliance field and relates to a continuous and micro-dosage venous transfusion system pushed by a spring. The continuous and micro-dosage venous transfusion system comprises a disposable injector, a cylindrically coiled compression spring, a sleeve and a disposable perfusion tube. The continuous and micro-dosage venous transfusion system utilizes the elastic force of the spring compressed in the sleeve as a power source for repeated use, takes the all-purpose disposable injector as a medicine liquid storage device, adopts a flow limiting pipe to realize the control of the flow, therefore, deficiencies that the existing continuous and micro-dosage venous transfusion system intervened by a plurality of apparatuses has bad convenient and fast and comfort abilities, and the apparatuses have high manufacture cost and large resource consumption, thereby having better clinic practicability, safety and convenient and quick ability.
Description
Technical field:
This utility model relates to a kind of medical apparatus and instruments, relates in particular to a kind of lasting micro-intravenous delivery system of injecting with spring.
Background technology:
In clinical treatment, intravenously administrable is to use one of very general administering mode, wherein many vein administered agents that need are what to require with the mode administration that continues micro-vein input, for example: be used to ease pain, the anesthesia of calm purpose, downern, be used for boosting or antihypertensive drugs of controlling blood pressure purpose, be used to stop blooding, the hemostasis of anticoagulant purpose, anticoagulant.Up to now, the method of above-mentioned lasting micro-vein input mainly includes manually being that the syringe of power source is injected method, is the transfusion device drip-injection method of power source with gravity, is that the infusion pump of power source is injected method with motor machine thrust, clinical practice shows, the drawback of preceding method or the not enough convenience of administration and the comfortableness of mainly showing are relatively poor, or more to take the medical worker artificial, or limit the place that the patient is movable or receive treatment significantly.What occurred in the last few years is the intravenously administrable method of the analgesia pump infusion in major impetus source with the resilient bladder resilience force, though it provides the convenience and the comfortableness of intravenously administrable preferably, but its employed utensil cost height, increased patient's economy expenditure, the power part of utensil and drug storage parts are same parts, and be designed to disposable utensil, increased resource consumption and environmental pollution.
The utility model content:
The purpose of this utility model is to provide a kind of and is the drug storage parts, is repeatedly used power source, realizes the lasting micro-intravenous delivery system of flow-control with the flow current limiting tube with spring force with existing general disposable syringe, to promote the convenience and the comfortableness of intravenously administrable, reduce the utensil expense expenditure and the resource consumption of unit time intravenously administrable.
The purpose of this utility model is achieved in that the lasting micro-transfusion system that this is injected with spring, it is made up of disposable syringe, cylindroid helical-coil compression spring, sleeve, one-time infusion tube, it is characterized in that described cylindroid helical-coil compression spring is nested with on described disposable syringe cylindrical shell with compressive state, this cylindroid helical-coil compression spring and disposable syringe all are placed in the sleeve, described sleeve is to be connected to form by sleeve body and socket cover, and described disposable syringe is connected with described one-time infusion tube.Described sleeve body is long tubular, draws materials to be the medical plastic of hard transparent; Described socket cover is drawn materials and is the medical plastic of hard transparent, is provided with central authorities' mouth in the socket cover central part; Sleeve body is connected threadably with socket cover or the buckle mode connects.Described sleeve can be set to hold fully contain receives the disposable syringe of sufficient liquid; Or described sleeve can be set to part and hold to contain and receive the disposable syringe of sufficient liquid, and the leading portion of the disposable syringe cylindrical shell this is provided with under is stuck in outside the sleeve through socket cover central authorities mouth.Described disposable syringe is the syringe that general 5ml, 10ml, 20ml, 50ml and 100ml macromolecular material made, this disposable syringe in sleeve, get its injection cone head end towards or the set of contiguous socket cover.Described one-time infusion tube is to be composed in series by syringe interface, flow current limiting tube, prolongation flexible pipe, filter and intravenous needle joint, its syringe interface is inserted with the injection cone headgear of described disposable syringe and is connected, and this one-time infusion tube is drawn outside sleeve through central authorities' mouth of socket cover.Described cylindroid helical-coil compression spring is drawn materials and is metal material, and it is subjected to the position-limiting action of disposable syringe cylinder back-end both sides handle and socket cover, contains and do not contain the confined state that all is under the liquid condition in various degree at disposable syringe.
Using method of the present utility model: at first, choose the sleeve that is complementary with disposable syringe, can be divided into the big ting model of mating 5ml, 10ml, 20ml, 50ml, 100ml disposable syringe respectively as sleeve and the cylindroid helical-coil compression spring that matches thereof, extract medicinal liquid with disposable syringe; Secondly, with the one-time infusion tube of aseptic packaging by taking out in the packaging bag, its syringe interface is connected with the injection cone headgear of aforementioned disposable syringe is slotting, this one-time infusion tube is run through cylindroid helical-coil compression spring and socket cover central authorities mouth, cylindroid helical-coil compression spring is nested with on the cylindrical shell of disposable syringe, and with this both pack in the telescopic sleeve body, make the injection conehead towards or contiguous sleeve body opening, then again socket cover is connected on the sleeve body, this moment, cylindroid helical-coil compression spring was in initial compressed state, as sleeve for containing the form that is provided with of the disposable syringe that contains sufficient liquid received fully, need the one-time infusion tube of flexibility mouthful is filled in through socket cover central authorities for nearly telescopic one section, make it tortuous in the intravital cylindroid helical-coil compression spring of sleeve encloses just space, with aforementioned disposable syringe medicinal liquid output, the relative socket cover of its injection cone head end gradually row is recessed, this crumpled disposable infusion pipeline section gradually row is straightened, receive the form that is provided with of the disposable syringe that contains sufficient liquid for part contains as sleeve, only need syringe interface with one-time infusion tube be connected and get final product with the injection conehead of disposable syringe; At last, wait for that medicinal liquid is oozed by the intravenous needle joint of one-time infusion tube, check its speed back just can connect venipuncture needle and implement transfusion.In the infusion process, sleeve can be placed or is placed in the somewhere outside the patient, also can be positioned over the somewhere of patient's dressing.
Characteristics of the present utility model and beneficial effect are as follows:
1. be the power source that uses repeatedly with spring force, avoided first that the syringe method of injecting brings to artificial too much the taking of medical worker, second avoided that transfusion device drip-injection method, the infusion pump method of injecting brings to the Hyperactive restriction of patient, three too much expenses expenditure and resource consumptions of having avoided the analgesia pump infusion methods to be brought.
2. experiment of the present utility model is shown: under 1～50 degree centigrade of experimental situation temperature conditions, the constant thrust that the highest spring force value of setting with this utility model is 3 times pushes the syringe of existing general 5ml, 10ml by the national standard standard, 20ml, 50ml, 100ml capacity, does not find that syringe content liquid (normal saline) is contrary to intravital time of syringe cylinder.In addition, experiment of the present utility model is shown: through suitably choosing the flow current limiting tube of spring and corresponding configuration internal diameter, suitable length, can control this utility model medicinal liquid flow velocity preferably in metastable scope, the difference between the flow velocity that the flow velocity that initial maximum elastic force can be injected and whole last minimum elastic force are injected is controlled in 10% scope.Above-mentioned experiment shows and the utlity model has good Clinical feasibility.
3. principle of the present utility model is to be compressed in the sleeve and the cylindroid helical-coil compression spring that is nested with on the disposable syringe cylindrical shell produces the elastic force that continues, because sleeve is a rigid element, its length is constant, it all has position-limiting action to disposable syringe push rod and cylindroid helical-coil compression spring, the handle of disposable syringe cylinder back-end has position-limiting action to cylindroid helical-coil compression spring, so aforementioned elastic force acts on the disposable syringe cylindrical shell, make it to produce the movement tendency of relative disposable syringe push rod, make disposable syringe cylindrical shell inner liquid medicine possess certain pressure and flow out through the disposable infusion tube passage.
4. need vein to continue in the micro-administered agents on the clinical treatment, the amount of liquid medicine that great majority are mixed with is in 5ml～100ml scope, as medical liquid container, it has comprised the scope of 5ml～100ml to this utility model with existing general syringe, therefore can satisfy clinical demand preferably; In addition, the production of universal disposable syringe has strict national standard can follow and strict national quality supervision, same capacity, on quality and configuration, be close to the unification of making peace, provide prerequisite for this utility model widespread usage thus from the disposable syringe of different manufacturing enterprises.
5. existing transfusion device drip-injection method and analgesia pump infusion methods; it all needs to use earlier disposable syringe to dispose, extract medicinal liquid and it is injected in infusion bottle (bag) or the medicine storing bag; its infusion article consumption comprises disposable syringe, transfusion device and infusion bottle (bag); or disposable syringe and analgesia pump; infusion article of the present utility model consumption obviously is less than aforementioned two methods, helps cost saving, reduces consumption and environmental conservation.
6. this utility model system uses the association of article (sleeve, cylindroid helical-coil compression spring) and universal disposable consumable articles (syringe, one-time infusion tube) repeatedly, wherein the sleeve of hard plays a protective role to its inner injector, can avoid the interference of extraneous external force to syringe effectively, telescopic transparent design helps observing the situation of its inner injectors and cylindroid helical-coil compression spring; The infusion power source is chosen as cylindroid helical-coil compression spring, is to have utilized such metal spring to have goodish elastic stability, is particularly suitable for using repeatedly; The physics cut-off current characteristics of flow current limiting tube guarantee that it possesses safety, stable flow rate control action.Above characteristics make this utility model possess clinical practice and safety preferably.
Description of drawings:
Fig. 1 is the structural representation of an embodiment of this utility model.
Fig. 2 is the structural representation of another embodiment of this utility model.
Fig. 3 is the structural representation of this utility model one-time infusion tube.
Specific embodiments:
As shown in Figure 3, one-time infusion tube 4 of the present utility model is to be composed in series by syringe interface 41, flow current limiting tube 42, prolongation flexible pipe 43, filter 44 and intravenous needle interface 45, its syringe interface 41 is used for being connected with the injection cone headgear of disposable syringe is slotting, and intravenous needle joint 45 is used for being connected with venipuncture needle hose connection cover is slotting.
Claims (6)
1, a kind of lasting micro-intravenous delivery system of injecting with spring, it is made up of disposable syringe, cylindroid helical-coil compression spring, sleeve, one-time infusion tube, it is characterized in that described cylindroid helical-coil compression spring is nested with on described disposable syringe cylindrical shell with compressive state, this cylindroid helical-coil compression spring and disposable syringe all are placed in the sleeve, described sleeve is to be connected to form by sleeve body and socket cover, and described disposable syringe is connected with described one-time infusion tube.
2, a kind of lasting micro-intravenous delivery system of injecting according to claim 1 with spring, it is characterized in that: described sleeve body is long tubular, draws materials to be the medical plastic of hard transparent; Described socket cover is drawn materials and is the medical plastic of hard transparent, is provided with central authorities' mouth in the socket cover central part; Sleeve body is connected threadably with socket cover or the buckle mode connects.
3, according to claim 1,2 described a kind of lasting micro-intravenous delivery systems of injecting with spring, it is characterized in that: described sleeve can be set to hold fully contain receives the disposable syringe of sufficient liquid; Or described sleeve can be set to part and hold to contain and receive the disposable syringe of sufficient liquid, and the leading portion of the disposable syringe cylindrical shell this is provided with under is stuck in outside the sleeve through socket cover central authorities mouth.
4, a kind of lasting micro-intravenous delivery system of injecting according to claim 1 with spring, it is characterized in that: described disposable syringe is the syringe that general 5ml, 10ml, 20ml, 50ml and 100ml macromolecular material made, this disposable syringe in sleeve, get its injection cone head end towards or the set of contiguous socket cover.
5, a kind of lasting micro-intravenous delivery system of injecting according to claim 1 with spring, it is characterized in that: described one-time infusion tube is to be composed in series by syringe interface, flow current limiting tube, prolongation flexible pipe, filter and intravenous needle joint, its syringe interface is inserted with the injection cone headgear of described disposable syringe and is connected, and this one-time infusion tube is drawn outside sleeve through central authorities' mouth of socket cover.
6, a kind of lasting micro-intravenous delivery system of injecting according to claim 1 with spring, it is characterized in that: described cylindroid helical-coil compression spring is drawn materials and is metal material, it is subjected to the position-limiting action of disposable syringe cylinder back-end both sides handle and socket cover, contains and do not contain the confined state that all is under the liquid condition in various degree at disposable syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200174018U CN201164626Y (en) | 2008-02-01 | 2008-02-01 | Continuous trace amount intravenous transfusion system pushed by spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200174018U CN201164626Y (en) | 2008-02-01 | 2008-02-01 | Continuous trace amount intravenous transfusion system pushed by spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201164626Y true CN201164626Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200174018U Expired - Fee Related CN201164626Y (en) | 2008-02-01 | 2008-02-01 | Continuous trace amount intravenous transfusion system pushed by spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201164626Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214165A (en) * | 2015-11-13 | 2016-01-06 | 康春雨 | A kind of non-underslung intravenous transfusion device |
| WO2017020773A1 (en) * | 2015-07-31 | 2017-02-09 | 贺小军 | Drug syringe |
-
2008
- 2008-02-01 CN CNU2008200174018U patent/CN201164626Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017020773A1 (en) * | 2015-07-31 | 2017-02-09 | 贺小军 | Drug syringe |
| CN107029317A (en) * | 2015-07-31 | 2017-08-11 | 贺小军 | Cartridge syringe |
| CN105214165A (en) * | 2015-11-13 | 2016-01-06 | 康春雨 | A kind of non-underslung intravenous transfusion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20100201 |