A kind of titration tubular type transfusion device that can close automatically
Technical field
This utility model belongs to technical field of medical instruments, relates to a kind of titration tubular type transfusion device that can close automatically.
Background technology
Utilize the transfusion system transfusion quite general in clinical practice.During use, insert the bottle cap of wearing infusion bottle with the perforator on the transfusion system tube for transfusion, when infusion bottle is inverted, medicinal liquid under the action of gravity in the infusion bottle tube for transfusion of flowing through splashes into the patient vessel, after transfusion is finished, if transfusion device also fails in time to close, can cause air admission blood vessel or blood to reflux, bring hidden danger for patient's life security.Existing infusion bottle is applicable to the adult, the child especially required amount of liquid medicine of baby lacks a lot than the adult, the medicinal liquid of can not failing Wan in the infusion bottle can only be dropped, produce waste, and the child especially baby's medicinal liquid input is many slightly will have influence on life security, whether the baby is totally lost to infuse at basic not consciousness, especially night to the infusion bottle herb liquid is more prone to have an accident.
For fear of the problems referred to above, people wish to infuse and can close automatically, thereby invented the multiple titration tubular type transfusion device that can close automatically, as application number is that the Chinese patent literature of 200410071728.X discloses automatic controller in a kind of medical Transfusion device, it comprises the medicinal liquid bottle, automatic controller and be located at glass georama float in the automatic controller, the plastic material of Magnet, the rustless metal pipe, the rustless metal sheet, rubber sleeve and the tube for transfusion that is communicated with automatic controller wait closes transfusion automatically, this project organization complexity, accessory in the automatic controller is many and cost is high; An accessory lost efficacy, and caused entire controller to lose efficacy, and the rustless metal pipe frequently contacts with the tube for transfusion that plastics are made, easily tube for transfusion is punctured, and poor durability, safety is low; And its feed liquor amount estimates that by the range estimation experience degree of accuracy of amount of infusion is not high, has relatively high expectations with child especially baby's amount of liquid medicine degree of accuracy relatively, otherwise can have influence on life security, so be not suitable for child's use.
Summary of the invention
The purpose of this utility model be low at the existing existing complex structure of titration tubular type transfusion device, the safety degree of accuracy low, amount of infusion that can close automatically, be not suitable for the child and use, a kind of degree of accuracy simple in structure, safe, amount of infusion the titration tubular type transfusion device that can close automatically that higher, suitable child uses is provided.
The purpose of this utility model can realize by following technical proposal: a kind of titration tubular type transfusion device that can close automatically, comprise medicinal liquid memorizer that is provided with the containing mark line and the float that is located at the medicinal liquid memory inside, described medicinal liquid memorizer bottom is provided with liquid outlet, the top is connected and is provided with the end cap of inlet, it is characterized in that, described float is in the form of annular discs and be hollow-core construction, and the center of described float one side is provided with a convex body that can plug with liquid outlet and form sealing.
When this utility model uses, at first according to the required dose of patient, medicinal liquid is added the medicinal liquid memorizer, this moment, float was floated, and the dose of adding can be measured by the pairing containing mark line of buoys float height, during transfusion, float descends with the minimizing of medicinal liquid, convex body grafting liquid in-out mouth, side that float contacts with liquid outlet and liquid outlet form sealing, and transfusion can be closed automatically.
In the above-mentioned a kind of titration tubular type transfusion device that can close automatically, described float two middle side parts are the spherical crown shape of evagination.Float descends with the minimizing of output medicinal liquid, and final convex body grafting liquid in-out mouth, land portions in the spherical crown shape structure of evagination and liquid outlet can fit tightly and make float and liquid outlet sealing.
In the above-mentioned a kind of titration tubular type transfusion device that can close automatically, described float opposite side center also is provided with and can plugs with liquid outlet and form the convex body of sealing.Float can be in the medicinal liquid memorizer arbitrary overturn.
In the above-mentioned a kind of titration tubular type transfusion device that can close automatically, described convex body is coniform, and its link is thicker.This structure convex body small end inserts liquid outlet earlier, and its rear end major part is inserted gradually then, and then the formation conical surface seals gradually.
In the above-mentioned titration tubular type transfusion device that can close automatically, described medicinal liquid memorizer is round table-like, and its top diameter is greater than its bottom, and described float maximum gauge is slightly less than medicinal liquid memorizer base diameter.This shape makes things convenient for dosing and dismounting float, makes float on medicinal liquid memorizer top bigger activity space be arranged; When float dropped to the float bottom with the liquid of exporting, float diameter the best part can descend along the inwall of medicinal liquid memorizer, can arbitrarily not overturn, and convex body just falls the insertion liquid outlet, and then forms sealing.
In the above-mentioned titration tubular type transfusion device that can close automatically, described medicinal liquid memorizer end cap is provided with the dosing hole, and described dosing hole is provided with rubber stopper.Available syringe perforator is inserted broken rubber stopper and is given injection in the medicinal liquid memorizer, has avoided the pollution to the infusion bottle medicine, has saved medicine, and the motility of making up a prescription is big.
In the above-mentioned a kind of titration tubular type transfusion device that can close automatically, described float color is green.Green than its floating height of the easier identification of transparent float and then observation amount of liquid medicine, improved the degree of accuracy of amount of infusion and green make easily patient especially the child take sb's mind off sth and then loosen emotion.
In the above-mentioned titration tubular type transfusion device that can close automatically, described medicinal liquid memorizer end cap is provided with air inlet/outlet, is provided with filter disc in the described air inlet/outlet, and the air inlet/outlet outer end is provided with detachable vinyl cover.But air inlet/outlet balance medicinal liquid memorizer and atmospheric pressure descend medicinal liquid gently, but dust and impurity in the filter disc filtering air.
In the above-mentioned titration tubular type transfusion device that can close automatically, described end cap is provided with two flexible pipe jacks that can inject flexible pipe.Injecting the connection flexible pipe is convenient to transfusion device is hung.
In the above-mentioned titration tubular type transfusion device that can close automatically, described containing mark line adopts blasting craft to make.Adopt blasting craft to print, i.e. environmental protection is cleaned again.
Compared with prior art, advantage of the present utility model is:
1, float is an integral structure, need not other accessories, and simplicity of design.
2, behind the convex body grafting liquid in-out mouth, the spherical crown shape sphere that the middle side part that float is provided with convex body is evagination can fit tightly good airproof performance, safe with liquid outlet.
3, float is green, and the easier height that suspends according to float is measured amount of liquid medicine, and make easily patient especially the child take sb's mind off sth and then loosen emotion.
4, the containing mark line on the medicinal liquid memorizer adopts blasting craft, need not print, i.e. environmental protection is cleaned again.
Description of drawings
Fig. 1 is that this utility model is filled with the structural representation under the medicinal liquid situation.
Fig. 2 is that this utility model has been exported the structural representation of closing automatically behind the medicinal liquid.
Fig. 3 is the perspective view of float in this utility model.
Among the figure, 1, the medicinal liquid memorizer; 2, float; 21, convex body; 3, liquid outlet; 4, inlet; 11, end cap; 11a, dosing hole; 11b, air inlet/outlet; 11c, convex body; 11d, flexible pipe; 11e, rubber stopper; 11f, filter disc; 11g, vinyl cover; 12, containing mark line; 5, tube for transfusion; 51, perforator; 52, clip.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but this utility model be not limited to these embodiment.
As Fig. 1, Fig. 2 and shown in Figure 3, originally the titration tubular type transfusion device that can close automatically, comprise medicinal liquid memorizer 1 that is provided with containing mark line 12 and the float 2 that is located at medicinal liquid memorizer 1 inside, medicinal liquid memorizer 1 bottom is provided with liquid outlet 3, the end cap 11 that the top is connected and is provided with inlet 4, float 2 is in the form of annular discs and be hollow-core construction, and the center of float 2 one sides is provided with a convex body 21 that can plug with liquid outlet 3 and form sealing.
When this utility model uses, usually install the tube for transfusion 5 that is provided with perforator 51 and clip 52 on the inlet 3, lunge inverted infusion bottle with perforator 51 from bottle cap, according to the required dose of patient medicinal liquid is added medicinal liquid memorizer 1, after adding well, medicinal liquid shuts clip, float 2 was floated when medicinal liquid entered medicinal liquid memorizer 1, the dose that adds can be measured by the containing mark line 12 that the pairing employing blasting craft of float 2 floating height is made, when medicinal liquid when liquid outlet 3 has flowed, float 2 descends with the minimizing of liquid, float 2 centers of gravity deflection is provided with the one side of convex body 21, so this faces down when suspending, float 2 descends with the minimizing of output medicinal liquid, final convex body 21 grafting liquid in-out mouths 3, a side that contacts with liquid outlet 3 in the both sides of float 2 and liquid outlet 3 form sealing, and transfusion can be closed automatically.
As Fig. 1, Fig. 2 and shown in Figure 3,2 liang of middle side parts of float are the spherical crown shape of evagination and float both sides and are equipped with and can plug with liquid outlet 3 and form the convex body 21 of sealing.Float 2 descends with the minimizing of output medicinal liquid, and final convex body 21 grafting liquid in-out mouths 3, the land portions of the spherical crown shape structure of evagination and liquid outlet 3 fit tightly and make float 2 and liquid outlet 3 sealings.Convex body 21 is taper, and its link is thicker, and this structure convex body 21 small ends insert liquid outlet 3 earlier, and its rear end major part is inserted gradually then, final all reeves liquid outlet 3, and then form sealing.Float 2 maximum gauges are slightly less than medicinal liquid memorizer 1 base diameter.When float 2 dropped to medicinal liquid memorizer 1 bottom with the liquid of exporting, float 2 diameter the best parts can descend along the inwall of medicinal liquid memorizer 1, can arbitrarily not overturn, and convex body 21 is just fallen insert liquid outlet 3, and then form sealing.Medicinal liquid memorizer 1 is round table-like, and its top diameter is greater than its bottom.This shape makes things convenient for dosing and dismounting float 2, makes float 2 on medicinal liquid memorizer 1 top bigger activity space be arranged, float 2 can be in medicinal liquid memorizer 1 arbitrary overturn.The amount of liquid medicine of considering child's needs is little, and the child uses for convenience, the volume less than general infusion bottle that medicinal liquid memorizer 1 volume can be made.Medicinal liquid memorizer 1 end cap 11 is provided with dosing hole 11a, and dosing hole 11a is provided with rubber stopper 11e, and available syringe perforator is inserted broken rubber stopper 11e and given injection in the medicinal liquid memorizer 1, has avoided the pollution to the infusion bottle medicine, has saved medicine, and the motility of making up a prescription is big.Float 2 is green, thereby greenly measures medicinal liquid capacity than its floating height of the easier identification of transparent float, and green make easily patient especially the child take sb's mind off sth and then loosen emotion.Medicinal liquid memorizer 1 end cap 11 is provided with air inlet/outlet 11b, be provided with filter disc 11f among the air inlet/outlet 11b, air inlet/outlet 11b outer end is fixed with detachable vinyl cover 11g, but air inlet/outlet 11b balance medicinal liquid memorizer 1 and atmospheric pressure, medicinal liquid is descended gently, but dust and impurity in the filter disc 11f filtering air, and end cap 11 outer ends are provided with some column convex body 11c that are, per two convex body 11c outer ends connect by flexible pipe 11d, and flexible pipe 11d can hang this utility model with convenient transfusion.
Specific embodiment described herein only is that this utility model spirit is illustrated.This utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as medicinal liquid memorizer 1, float 2, convex body 21, liquid outlet 3, inlet 4, end cap 11, dosing hole 11a, air inlet/outlet 11b, convex body 11c, flexible pipe 11d, rubber stopper 11e, filter disc 11f, vinyl cover 11g, containing mark line 12, tube for transfusion 5, perforator 51, clip 52 morely, do not get rid of the probability of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with this utility model spirit.