A kind of infusion pumpTechnical field
The present invention relates to a kind of infusion pump, particularly relate to a kind of formula that pastes insulin infusion pumps helping the round-the-clock maintenance stabilizing blood sugar of diabetics.
Background technology
Insulin infusion pumps is the secretory function of simulation human pancreas, and insulin is injected the subcutaneous of user by dosage constantly that need according to human body, keeps whole day glucostasis, to reach the object controlling diabetes.Compared with insulin pump in treatment is treated with regular injection, have the advantage of many uniquenesses: can better control blood glucose with one day compared with multiple injection, through statistics, the HbA1c (glycolated hemoglobin) of insulin infusion pumps user is lower than the patient had an injection.The more important thing is, their blood glucose fluctuation amplitude is little, is tending towards normal level.The foundation rate that hypoglycemia worry reduces infusion short-acting insulin replaces protamine zine insulin treatment diabetes, does not again need to have dinner on time, has a meal and can postpone or cancel, without the need to worrying that hypoglycemia occurs.Person's blood glucose suppression ratio is comparatively mild to wear pump, can find Hypoglycemic symptoms early, can reduce others as far as possible and help.
At present, traditional insulin infusion pumps primarily of pump, little syringe and be attached thereto tube for transfusion composition.Syringe loads after in pump, is penetrated by the guiding pin of connected tube for transfusion front end note pin device subcutaneous (conventional is stomach wall) of patient, then injection of insulin is entered human body by the piston promoting little syringe by the auger motor of battery-operated insulin pump.There is following shortcoming:
1) volume is large, weight is large, is not easy to carry;
2) tube for transfusion is longer, in the process of patient activity, with it being very easily wrapped in, greatly limit resource-user cost method;
3) tube for transfusion is as consumptive material, increases the use cost of user.
Summary of the invention
The object of the present invention is to provide a kind of infusion pump, it has, and volume is little, lightweight, use cost is low and resource-user cost method feature freely, to solve the problems referred to above that in prior art, insulin infusion pumps exists.
For reaching this object, the present invention by the following technical solutions:
A kind of infusion pump, it comprises housing; Be arranged at the power supply in housing, motor, driven unit, Control Component, and be contained in the drug storage assembly in described housing at least partly;
Described drug storage assembly is provided with the extrusion infusing pipeline and infusion needle that export for medicinal liquid, described motor, under the control of described Control Component, drives described drug storage assembly to export medicinal liquid from infusion needle by described driven unit,
Described infusion pump also comprises being arranged at described housing pastes assembly, pastes assembly and be covered on the skin of patient's areas adjacent to be injected described in described infusion pump passes through.
Especially, described infusion pump also comprises the controller being separated setting with described housing for setting running parameter, and described controller is communicated with described Control Component by wireless connections.
Especially, described in paste assembly and be connected by thread gluing is separable with described housing, avoid adopting double faced adhesive tape easily to adhere on housing, without the need to cleaning.
Especially, described drug storage assembly comprises drug storage housing, and described infusion needle and the split of described drug storage housing are arranged, and is connected between the two by very short flexible infusion line road, can not affect the syringe needle inserting human body when infusion pump moves.
Especially, described drug storage assembly comprises drug storage housing, described drug storage housing is made up of transparent material, and one end of described drug storage housing is extended with clamping joint downwards, the other end upwards arranges infusion needle, coordinate clamping joint to arrange draw-in groove on described housing, and arrange piston in described clamping joint, described drug storage housing is stuck in the draw-in groove on described housing by clamping joint.
Especially, described driven unit comprises injection push rod, the output shaft of described motor is provided with external thread section, and described injection push rod by inner screw sheath of arranging in it, is coordinated by internal and external threads during the output shaft rotation of described motor and promotes injection push rod and move outside the output shaft of motor.
Especially, described infusion pump is also provided with alarm device, and described alarm device is any one or several combinations of vibrator, alarm lamp or alarming horn.
Especially, described vibrator is arranged in described housing, described alarm lamp and alarming horn be arranged at described housing or controller arbitrary on.
Especially, the weight of described infusion pump between 35g to 55g, without obvious sensation when the infusion pump of this weight range makes human body wear, and difficult drop-off after thread gluing.
Especially, radio communication is carried out by low-power consumption bluetooth 4.0 between described controller and described Control Component.
Beneficial effect of the present invention is, compared with prior art described infusion pump arranges very short infusion pipeline, is directly covered on human body and implements injection of insulin to patient, not only volume little, lightweight, be easy to carry; And wearer's freedom of movement can be ensured; Reduce use cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the infusion pump that the specific embodiment of the invention 1 provides.
In figure:
1, housing; 11, power supply; 12, Control Component; 13, micromachine; 14, injection push rod; 2, drug storage assembly; 20, drug storage housing; 21, piston; 22, clamping joint; 23, infusion needle.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Refer to shown in Fig. 1, Fig. 1 is the structural representation of the infusion pump that the specific embodiment of the invention 1 provides.
In the present embodiment, a kind of infusion pump, it comprises housing 1, drug storage assembly 2, controller (not illustrating in figure) and pastes assembly, side in described housing 1 is provided with power supply 11 and Control Component 12, opposite side is provided with micromachine 13, described power supply 11 drives power elements to the electricity of whole infusion pump, and described micromachine 13 connects an injection push rod 14 by reduction assemblies; The output shaft of described micromachine 13 is provided with external thread section, described injection push rod 14 by inner screw sheath of arranging in it, is coordinated by internal and external threads during the output shaft rotation of described micromachine 13 and promotes injection push rod 14 and move outside the output shaft of micromachine 13.
Described drug storage assembly 2 comprises drug storage housing 20, described drug storage housing 20 is arranged with the split of described housing 1, the corresponding injection push rod 14 in one end of described drug storage housing 20 is extended with clamping joint 22 downwards, the other end is provided with the extrusion infusing pipeline and infusion needle 23 that export for medicinal liquid, described infusion needle 23 is arranged with the split of described drug storage housing 20, connected by very short flexible infusion line road between the two, the syringe needle inserting human body when infusion pump moves, can not be affected, can consumptive material be reduced simultaneously.Coordinate clamping joint 22 that draw-in groove is set on described housing 1, and in described clamping joint 11, piston 21 is set, its one end to be stuck in the draw-in groove on described housing 1 by described drug storage housing 20 by clamping joint 22, when micromachine 13 rotates, drive injection push rod 14 to move, thus promote piston 21 by injection push rod 14 and move the insulin in drug storage assembly 2 is injected into human body by infusion needle 23.
The described assembly that pastes is connected by thread gluing is separable with described housing 1, easy to use, without the need to clearing up the glue that may adhere on described housing 1.
Described controller, for setting running parameter, is separated setting with described housing 1, and described controller and described Control Component 12 carry out radio communication by low-power consumption bluetooth 4.0.
Described infusion pump is also provided with alarm device, so that dose little or setting patients diet's time to arrive etc. and provides the prompting of necessity in situation in, drug storage assembly 2 too small at the electricity of power supply 11, described alarm device is any one or several combinations of vibrator, alarm lamp or alarming horn, described vibrator is arranged on described housing 1, described alarm lamp and alarming horn can be arranged at as required described housing 1 or controller arbitrary on.
Infusion pump provided by the invention arranges very short flexible infusion line road, and be directly covered on human body implement injection of insulin to patient, the small volume of infusion pump by pasting assembly, preferably, the form-factor of infusion pump is: wide 3 ㎝, long 6.5 ㎝, high 1.8 ㎝; The lighter in weight of infusion pump, is about between 35g to 55g; Preferably, the weight of infusion pump is at about 45g, and patient, when wearing infusion pump, does not have obvious sense of discomfort, and by thread gluing with paste assembly be connected time, difficult drop-off.
Above embodiment has just set forth ultimate principle of the present invention and characteristic; the present invention does not limit by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.