Summary of the invention
A purpose of the present utility model is to provide a kind of device that transfusion is heated with feedback device, and it automatically controls the temperature of warmer by feedback device, and the temperature control that warmer is provided is more accurate.
Another purpose of the present utility model is to provide a kind of device that transfusion is heated with feedback device, and these apparatus and method have higher safety, stability and reliability.
The device that provides a kind of right transfusion with feedback device to heat is provided another purpose of the present utility model, can so that the setting position of warmer on infusion tube more flexibly, convenient.
For achieving the above object, this utility model by the following technical solutions:
A kind of device that transfusion is heated with feedback device, this device comprises and is arranged on warmer and the feedback device of on the tube for transfusion transfusion being heated, described feedback device is connected in wired or wireless mode with described warmer, and described feedback device is used for control inputs to the current value of warmer.
A kind of preferred version as said apparatus, described feedback device comprises temperature control unit, also comprise and drip fast sensor and/or temperature sensor, wherein said temperature control unit is connected with described warmer, described temperature control unit and described fast sensor and/or temperature sensor is connected and according to the detection Data Control warmer of described fast sensor and/or temperature sensor.
As a kind of preferred version of said apparatus, described fast sensor setting is on dropping funnel, for detection of the flow velocity of transfusion.
As a kind of preferred version of said apparatus, described temperature sensor is arranged on the position that can detect transfusion temperature in the tube for transfusion that closes on the first side of transfusion needle.
As a kind of preferred version of said apparatus, described temperature sensor is arranged on the position that can detect ambient temperature.
As a kind of preferred version of said apparatus, described temperature control unit is analyzed and is changed into current signal with the data message of design temperature and flow velocity and/or temperature warmer is controlled.
As a kind of preferred version of said apparatus, described warmer is arranged on the bottom of dripping the speed folder, perhaps an end of close infusion needle.
As a kind of preferred version of said apparatus, the ribbon-type heating element that described warmer is comprised of the carbon fiber of flexibility, banded described heating element heater can swathe the outside at tube for transfusion, and it swathes the position between the bottom and infusion needle of dripping the speed folder.
As a kind of preferred version of said apparatus, also be provided with heat-insulation layer in the carbon fiber heating element outside in the described warmer; The described warmer that swathes on tube for transfusion is fastening by the velcro that is arranged on the strip heater two ends.
The beneficial effects of the utility model are: this utility model is by providing a kind of device that transfusion is heated with feedback device, wherein warmer by adopt carbon fiber structural its to control of electric current more accurately and long service life, insulating properties and safe, the thermal loss when warmer can reduce liquid after the heating and circulates in tube for transfusion near syringe needle one end; Can automatically control the temperature of heating apparatus by the pre-set programs feedback device, temperature control unit input design temperature to feedback device, control unit can be controlled the size of the electric current that is input to warmer by integrating flow rate of liquid, ambient temperature and design temperature, guarantees the temperature constant of heated liquid.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by the specific embodiment.
Embodiment one:
Shown in Fig. 1 ~ 5, a kind of device that transfusion is heated (hereinafter use and be called for short " heating apparatus ") with feedback device.Transfusion can be used for patient's transfusion in the present embodiment.This heating apparatus comprises the warmer 102 that is arranged on the tube for transfusion 106, and feedback device 101.Feedback device 101 is connected in wired or wireless mode with warmer 102, and feedback device 101 is used for control inputs to the current value of warmer 102.
Preferably, as shown in Figure 4, described feedback device 101 comprises: shell 111, droplet fast sensor 112, temperature sensor 113 and temperature control unit 114, wherein, dripping fast sensor 112 is connected with temperature sensor and is connected with temperature control unit 114, temperature control unit 114 is connected with warmer 102, and shell 111 is placed on convenient manually-operated position as required.
Preferably, drip a fast sensor 112 and be arranged on the dropping funnel 105, for detection of the flow velocity of liquid in the infusion process, and with the transfer of data that detects to temperature control unit 114.
Preferably, temperature sensor 113 is arranged in the shell 111, for detection of the temperature of external environment condition, and with the transfer of data that detects to temperature control unit 114.
Preferably, temperature control unit 114 is arranged in the shell 111, and is connected with warmer 102, and it is used for the data analysis of flow rate of liquid, ambient temperature and the design temperature that will detect and changes into the signal of telecommunication warmer 102 is controlled.Wherein design temperature be preset and storage/transmission to the temperature value of temperature control unit, can be set as required fixing empirical value, also can be set to adjustable value.
Preferably, temperature control unit 114 is according to the input current of the height control warmer 102 of the speed of flow rate of liquid and ambient temperature, no matter guarantees the speed of flow velocity and the height of ambient temperature, and the temperature of liquid of guaranteeing to enter human vein is constant.
Preferably, warmer 102 comprises the ribbon-type heating element that the carbon fiber by flexibility forms, ribbon-type heating element can swathe the outside at tube for transfusion, and it swathes the position and is positioned at a bottom of dripping speed folder 103, and/or be arranged on the tube for transfusion 106 a end near infusion needle 104.The warmer 102 that is arranged on the tube for transfusion 106 has first end and the second end, the second end is first than the more close infusion needle of first end, the position that the second end is set and the distance of infusion needle can be in 10cm, and be preferred, in 5cm, preferred, in 1cm, further preferred, in 0.5cm, in this embodiment, preferably in the 1cm.It will be appreciated by persons skilled in the art that interchangeablely, warmer 102 can be arranged on the position on the top of dripping speed folder 103.
Warmer 102 is arranged on the end near syringe needle 104, can make the liquid after heating be transferred to the route shortening of flowing through the process of human vein from tube for transfusion 106, avoided the overlong time of liquid in tube for transfusion 106 interior circulations, reduce the thermal loss that the liquid after heating causes because of the impact that is subject to ambient temperature, the temperature of liquid that so enters the liquid of human vein and just heated is more or less the same, the purpose that manual control enters human body temperature can be reached, the comfort level of human body in infusion process can be better improved.
Shown in Fig. 2 ~ 3, in this embodiment, warmer 102 comprises flexible carbon fiber heating element 121, preferably, warmer 102 comprises the ribbon-type heating element that is comprised of carbon fiber, wherein banded heating element heater can swathe the outside at tube for transfusion 106, by the banded warmer 102 that carbon fiber forms, its pliability is higher, lightweight, the efficiency of heating surface is high, so it is fit to be arranged on the end near venous patient, in use, because quality is light, can not impact normal infusion process, patient is without the sense of significantly bearing a heavy burden, because quality is light and swathe on tube for transfusion 106, can not cause the distortion of tube for transfusion 106; The two ends of banded warmer 102 are provided with velcro 122, it is used for banded warmer 102 and swathes fixing after on the tube for transfusion 106, velcro 122 makes swathing of warmer 102 and dismantles convenient, and easy to operate, medical personnel and common patient all can handled easilies, make its suitability stronger, easy to use.
As shown in Figure 4, the arranged outside of the flexible carbon fiber heating element 121 of banded warmer 102 has heat-insulation layer 123, heat-insulation layer 123 has flexiplast or elastomeric material to make, and can play the effect of thermal insulating at the arranged outside heat-insulation layer 123 of flexible carbon fiber heating element 121.
Warmer 102 is except the use carbon fibre material is made, also can use ptc material to make, its shape also is not limited only to banded flexible structure, also can the cylinder body, other structure such as cube, be provided with the passage that tube for transfusion 106 passes through at inside or the outer surface of these structures.
A kind of method that transfusion is heated with feedback device also is provided in this embodiment of the present utility model, comprises:
Step 1: before beginning transfusion or in the infusion process, the warmer of above-mentioned heating apparatus is arranged on the tube for transfusion, make warmer between the bottom and infusion needle of dripping the speed folder, to drip fast sensor and be fixed on the dropping funnel, with temperature sensor be arranged on can the testing environment temperature position (for example on the shell of feedback device);
Step 2: open heating apparatus, and temperature control unit is set heating-up temperature, simultaneously the transfusion in the infusion tube is heated;
Step 3: the fast sensor that drips of feedback device converts the flow rate of liquid information in the dropping funnel to electric signal transmission to temperature control unit, and the simultaneous temperature sensor converts the ambient temperature that detects to electric signal transmission to temperature control unit;
Step 4: temperature control unit carries out date processing according to flow rate of liquid, ambient temperature and three parameters of heating-up temperature of setting, and be transferred to the size of the input current of warmer according to the Data Control after processing, preferably, in this step, the temperature of the liquid after the warmer heating is constant.
Embodiment two:
As shown in Figure 6, in this embodiment, heating apparatus comprises the warmer 202 that is arranged on the tube for transfusion 206 dripping between speed folder 203 and the infusion needle 204, and feedback device 201.Feedback device 201 is connected in wired or wireless mode with warmer 202, and feedback device 201 is used for control inputs to the current value of warmer 202.
Feedback device 201 comprises: shell 211, droplet fast sensor 212, temperature sensor and temperature control unit 214, wherein, drip fast sensor 212, temperature sensor is connected with temperature control unit 214, temperature control unit 214 is connected with warmer 202, and shell 211 is placed on convenient manually-operated position as required; In this embodiment, be with first embodiment institute difference, infrared sensor 215 is selected in temperature sensor, it is arranged on the position that can detect transfusion temperature of liquid in the tube for transfusion, preferably, infrared sensor 215 is arranged on the bottom of warmer 202 near the position of syringe needle 204, and its position needs in the situation that does not affect normal infusion, near syringe needle 204, also to guarantee not affected by the temperature of human body simultaneously to greatest extent.So, record be heated after the most approaching temperature of liquid that is injected in the human vein of the temperature of transfusion.
Infrared sensor 215 with the transfer of data that detects to temperature control unit 214, temperature control unit 214 is analyzed and is changed into current signal with the data message of transfusion flow velocity, transfusion temperature and design temperature the current value that is input to warmer 202 is controlled, thereby adjust the output temperature of warmer 202, reach the purpose to the constant heating of transfusion.
In this embodiment, except temperature pass sensor be in infrared sensor and the shell without the temperature sensor, other structure is all identical with embodiment one.
Accordingly, this embodiment also provides a kind of method of using the device in this embodiment that transfusion is heated, comprises in the method step,
Step 1: before beginning transfusion or in the infusion process, the warmer of above-mentioned heating apparatus is arranged on the tube for transfusion, make warmer between the bottom and infusion needle of dripping the speed folder, to drip fast sensor and be fixed on the dropping funnel, temperature sensor will be arranged on the position (for example in the position near venous patient) that to detect the transfusion temperature of liquid;
Step 2: open heating apparatus, and temperature control unit is set heating-up temperature, simultaneously the transfusion in the infusion tube is heated;
Step 3: the fast sensor that drips of feedback device converts the flow rate of liquid information in the dropping funnel to electric signal transmission to temperature control unit, and the simultaneous temperature sensor becomes electric signal transmission to temperature control unit the transfusion temperature transition that detects;
Step 4: temperature control unit carries out date processing according to flow rate of liquid, transfusion temperature and three parameters of setting heating-up temperature, and be transferred to the size of the input current of warmer according to the Data Control after processing, preferably, in this step, the temperature of the liquid after the warmer heating is constant.
Embodiment three:
As shown in Figure 7, in this embodiment, heating apparatus comprises the warmer 302 that is arranged on the tube for transfusion 306 dripping between speed folder 303 and the infusion needle 304, and feedback device 301.Feedback device 301 is connected in wired or wireless mode with warmer 302, and feedback device 301 is used for control inputs to the current value of warmer 302.
Above-mentioned feedback device 301 comprises: shell 311, infrared sensor 315 and setting temperature control unit 314 in the enclosure, in this embodiment, be with difference in the embodiment two, and do not comprise the fast sensor that drips that is arranged on the dropping funnel 305.
Preferably, infrared sensor 315 arranges the bottom of warmer 302 near the position of syringe needle 304, and its position needs in the situation that does not affect normal infusion, to greatest extent near syringe needle 304, also will guarantee not affected by the temperature of human body simultaneously.Its operation principle is, the transfusion temperature information that infrared sensor 315 will detect after being heated transfers to temperature control unit 314, temperature control unit 314 is adjusted the input current of warmer 302 according to the temperature of transfusion, thereby adjust the output temperature of warmer 302, reach the purpose to the constant heating of transfusion.
Feedback device 301 only has infrared sensor 315 and temperature control unit 314 in this embodiment, and other structure is all identical with embodiment one.
Feedback device 301 in this embodiment is relatively simple for structure, and therefore, it uses and operates more conveniently, and it needs data to be processed more single, so it is to after temperature is changed, changes the speed of the current value of warmer 302.
Accordingly, this embodiment also provides a kind of method of using the device in this embodiment that transfusion is heated, comprises in the method step,
Step 1: before beginning transfusion or in the infusion process, the warmer of above-mentioned heating apparatus is arranged on the tube for transfusion, make warmer between the bottom and infusion needle of dripping the speed folder, temperature sensor is arranged on the position (for example in the position near venous patient) that to detect the transfusion temperature of liquid;
Step 2: open heating apparatus, and temperature control unit is set heating-up temperature, simultaneously the transfusion in the infusion tube is heated;
Step 3: the temperature sensor of feedback device converts the ambient temperature that detects to electric signal transmission to temperature control unit;
Step 4: temperature control unit root transfusion temperature and two parameters of setting heating-up temperature are carried out date processing, and be transferred to the size of the input current of warmer according to the Data Control after processing, preferably, in this step, the temperature of the liquid after the warmer heating is constant.
Embodiment four:
As shown in Figure 8, in this embodiment, heating apparatus comprises the warmer 402 that is arranged on the tube for transfusion 406 dripping between speed folder 403 and the infusion needle 404, and feedback device 401.Feedback device 401 is connected in wired or wireless mode with warmer 402, and feedback device 401 is used for control inputs to the current value of warmer 402.
Feedback device 401 comprises: shell 411, drip fast sensor 412, temperature sensor 413 and temperature control unit 414, wherein, be arranged on the fast sensor 412 that drips on the dropping funnel 405, the temperature sensor 413 that is positioned at shell 411 is connected with temperature control unit 414, temperature control unit 414 is connected with warmer 402, shell 411 is placed on convenient manually-operated position as required, except the infrared sensor 415 that has increased the close syringe needle 404 that is arranged on warmer 402 bottoms on the basis of above structure, in this embodiment, droplet fast information of temperature control unit 414 by recording dripping fast sensor 412, the ambient temperature that temperature sensor 413 records, the data message that infrared sensor 415 records the temperature of transfusion and design temperature is analyzed and is changed into current signal warmer is controlled.
In this embodiment, after temperature control unit 414 is integrated much information the electric current that is input to warmer is controlled, this kind mode, the temperature of the transfusion after being heated is more near design temperature, the temperature of heated transfusion is subjected to the impact of external environment variation and directional error less, can obtain more constant heated transfusion, human body is more comfortable in carrying out the transfusion process.
Accordingly, this embodiment also provides a kind of method of using the device in this embodiment that transfusion is heated, comprise the steps in the method,
Step 1: before beginning transfusion or in the infusion process, the warmer of above-mentioned heating apparatus is arranged on the tube for transfusion, make warmer between the bottom and infusion needle of dripping the speed folder, to drip fast sensor is fixed on the dropping funnel, with temperature sensor be arranged on can the testing environment temperature position (for example on the shell of feedback device), infrared temperature sensor is arranged on the position (for example in the position near venous patient) that can detect the transfusion temperature of liquid;
Step 2: open heating apparatus, and temperature control unit is set heating-up temperature, simultaneously the transfusion in the infusion tube is heated;
Step 3: the fast sensor that drips of feedback device converts the flow rate of liquid information in the dropping funnel to electric signal transmission to temperature control unit, the simultaneous temperature sensor converts the ambient temperature that detects to electric signal transmission to temperature control unit, and the simultaneous temperature sensor becomes electric signal transmission to temperature control unit the transfusion temperature transition that detects;
Step 4: temperature control unit carries out date processing according to flow rate of liquid, ambient temperature, transfusion temperature and four parameters of heating-up temperature of setting, and be transferred to the size of the input current of warmer according to the Data Control after processing, preferably, in this step, the temperature of the liquid after the warmer heating is constant.
To sum up, in this utility model, a kind of apparatus and method that transfusion is heated with feedback device are provided, it comprises the warmer that is arranged on the tube for transfusion, and the feedback device that is connected with described warmer, described feedback device is used for control inputs to the numerical value of the electric current of warmer, wherein, warmer adopt carbon fiber structural its to control of electric current more accurately and long service life, insulating properties and safe, the thermal loss when warmer can reduce liquid after the heating and circulates in tube for transfusion near syringe needle one end; Feedback device can automatically be controlled the temperature of warmer, by the temperature control unit input design temperature to feedback device, control unit can be controlled the size of the electric current that is input to warmer by integrating flow rate of liquid, ambient temperature and design temperature, guarantees the temperature constant of heated liquid.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to this utility model protection domain.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present utility model, and these modes all will fall within the protection domain of the present utility model.