CN100518844C - Automatic control whole body sub-low-temperature therapeutic equipment - Google Patents
Automatic control whole body sub-low-temperature therapeutic equipment Download PDFInfo
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- CN100518844C CN100518844C CNB2007100527753A CN200710052775A CN100518844C CN 100518844 C CN100518844 C CN 100518844C CN B2007100527753 A CNB2007100527753 A CN B2007100527753A CN 200710052775 A CN200710052775 A CN 200710052775A CN 100518844 C CN100518844 C CN 100518844C
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- transfusion
- tube
- refrigeration
- speed controller
- temperature
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Abstract
The invention provides a whole body automatic control sub-low temperature treatment instrument which comprises case body, refrigeration liquid supply chamber and transfusion part. Refrigeration liquid supply chamber is provided with a transfusion bottle rack in it. Transfusion part comprises perfusion tube and its transfusion speed controller. The wall or gate of the refrigeration liquid supply chamber is provided with insertion hole of perfusion tube. Hose clamp of the Transfusion speed controller is in the refrigeration liquid supply chamber and fixed at the passing position of the transfusion hose tube or gas inlet pipe in the chamber. Perfusion tube has two sections, one is the transfusion hose tube and pinhead arranged in the liquid supply chamber and the other is perfusion tube and indwelling pinhead arranged outside the liquid supply chamber. Perfusion tube arranged outside the liquid supply chamber has insulating layer outside the transfusion hose tube. Control section of the transfusion speed controller is in the case body under the liquid supply chamber. Control signal input terminal of the transfusion speed controller is connected with the control signal input port arranged on the panel of the case body. Output terminal of the liquid temperature detector between the perfusion tube pinhead and transfusion hose tube is connected to the control signal input port of the transfusion speed controller.
Description
Technical field
The invention provides a kind of automatic control whole body sub-low-temperature therapeutic equipment, is a kind of clinical patient of brain protection and device that hyperpyretic patient is used of needing, and belongs to the Medical Instruments technical field.
Background technology
Along with aged tendency of population, cerebral infarction is modal cerebrovascular, its not only serious harm human health, and bring heavy financial burden for family and society.The effective ways of evidence-based medicine EBM proof treatment cerebral infarction have 3 kinds at present: the one, and aspirin, the 2nd, thrombolytic, the 3rd, acute stroke unit.The curative effect of aspirin is limited, the time window of thromboembolism treatment only 3 hours, and the patient less than 1% can obtain medical treatment in the time window of treatment, and acute stroke unit is a kind of organization and administration form, rather than a kind of treatment means.Although dropped into a large amount of manpower and materials, the clinical trial of cerebral protective agent does not really obtain positive findings.Busto in 1987 propose the notion of whole body sub-low-temperature brain protection first, promptly adopt physical means that body temperature is dropped to 32～34 ℃, play cerebral protection when avoiding the deep hypothermia side effect.The random contrast clinical trial of two large samples in Australia and Europe confirms the patient temperature of surviving behind the cardiac arrest is dropped to 32～34 ℃ recently, keeps 12～24 hours, can obviously improve the prognosis of function of nervous system, and not increase the incidence rate of complication.
Cool-down method mostly is surface cooling at present, allows patient lie on ice blanket or the sled, absorbs patient body's exterior heat amount by ice blanket or sled and makes core (deep) body temperature reduce to target temperature.This method is to reduce shell temperature earlier, reduces core temperature again, can not reach the purpose of brain protection soon.
Summary of the invention
The purpose of this invention is to provide a kind of automatic control whole body sub-low-temperature therapeutic equipment that reduces shell temperature and core temperature simultaneously, overcome existing cooling method cooling rate slow, use inconvenient, the inapparent shortcoming of therapeutic effect.
Technical scheme of the present invention: automatic control whole body sub-low-temperature therapeutic equipment of the present invention comprise housing,
Refrigeration is given liquid chamber, transfusion part, the flexible pipe clamp mechanism of transfusion speed controller is indoor in the refrigeration feeding, be installed in indoor infusion tube or air inlet pipe and pass through the position, tube for transfusion divides two sections, one section is to place indoor infusion tube and the syringe needle of refrigeration feeding, another section is to place the outdoor tube for transfusion of refrigeration feeding and keep somewhere syringe needle, places the outdoor tube for transfusion of refrigeration feeding to comprise interior pipe and external thermal insulation.
Described automatic control whole body sub-low-temperature therapeutic equipment, transfusion speed controller have control section to be installed in refrigeration to give in the lower case of liquid chamber, and the control signal input of transfusion speed controller is connected with control signal input port on being located at case panel.
Described automatic control whole body sub-low-temperature therapeutic equipment has the temperature of liquid detector between tube for transfusion syringe needle and infusion tube, the outfan of temperature of liquid detector is connected to the control signal input port of transfusion speed controller.
Described automatic control whole body sub-low-temperature therapeutic equipment is provided with the human body temperature detector, the signal input port of the human body temperature detector that is provided with at the control signal input port place of transfusion speed controller.
Described automatic control whole body sub-low-temperature therapeutic equipment, giving the top of liquid chamber front in refrigeration is door, and one section baffle plate is arranged at the bottom is antetheca, and the tube for transfusion patchhole is located on this section baffle plate.
Described automatic control whole body sub-low-temperature therapeutic equipment, transfusion speed controller control section comprises automatically controlled part and drive part, drive part adopts the drive source of servomotor as the flexible pipe clamp mechanism; Automatically controlled part adopts servomotor controller.
Described automatic control whole body sub-low-temperature therapeutic equipment, transfusion speed controller control section comprises automatically controlled part and drive part, drive part adopts solenoid actuated mechanism to be connected with the flexible pipe clamp mechanism; Automatically controlled part adopts the electromagnet mechanism control circuit.
Described automatic control whole body sub-low-temperature therapeutic equipment, automatically controlled part comprise that also central processing unit and interface circuit thereof are connected with servomotor controller or electromagnet mechanism control circuit.
Described automatic control whole body sub-low-temperature therapeutic equipment, its refrigeration has the heat-insulating and sealing circle for the tube for transfusion patchhole place of liquid chamber.
Described automatic control whole body sub-low-temperature therapeutic equipment is at the flexible heat-insulating and sealing ring taps of two sections boundarys of tube for transfusion.
Advantage of the present invention: the present invention directly imports human body with cryogenic liquid by connection tube; because the body cycle period is short; the cryogenic liquid that instils through peripheral blood vessel can be distributed to whole body rapidly; core temperature and shell temperature are descended simultaneously; avoided the surface cooling method to fall shell temperature earlier; fall the disadvantage of core temperature again, thereby can bring into play the effect of its brain protection quickly.Patient to hyperpyrexia also can play the fast cooling effect.
Tube for transfusion divides two sections structure, has both solved the installation of flexible pipe clamp mechanism, has guaranteed the temperature requirement of liquid again.Feed back to the control circuit of transfusion speed controller by signal detection, can control patient temperature automatically and accurately, guarantee safety and treatment efficiently temperature of liquid and human body temperature.
Its novel structure, volume is little, cooling rate is fast, computer control, parameter can be set,
Can numeral demonstration, easy to use.
Description of drawings
Fig. 1 is a structure principle chart of the present invention.
Fig. 2 is the structure principle chart of tube for transfusion 3.
Fig. 3 is a motor-driven transfusion speed controller drive part schematic diagram.
Fig. 4 is the automatically controlled part schematic diagram of motor-driven transfusion speed controller.
Fig. 5 is solenoid actuated transfusion speed controller principle figure.
Fig. 6 is the central processing unit software flow pattern.
The specific embodiment
According to shown in Figure 1: it is two-layer up and down that whole body sub-low-temperature therapeutic equipment of the present invention comprises that housing 1, housing 1 inside are divided into, lower floor is equipped with the control section of refrigeration plant 11 and transfusion speed controller 6, the upper strata is that refrigeration is given liquid chamber 2, refrigeration is given in the liquid chamber 2 and is provided with infusion bottle rack 4, the transfusion part comprises tube for transfusion 3 and transfusion speed controller 6 thereof, giving the top of liquid chamber 2 fronts in refrigeration is doors 2.2, one section baffle plate is arranged at the bottom is antetheca 2.3, tube for transfusion patchhole 2.1 is located on the baffle plate 2.3, and there is heat-insulating and sealing circle 2.4 at tube for transfusion patchhole 2.1 places.
Lower floor is equipped with the control section of refrigeration plant 11 and transfusion speed controller 6, has control signal input port 6.1,6.2 to be connected with the control section of transfusion speed controller 6 on lower floor's case panel 1.1.
As Fig. 2: two sections of tube for transfusions 3 minutes, one section is to place indoor infusion tube 3.1 and the syringe needle 3.2 of refrigeration feeding, syringe needle 3.2 is the syringe needles that have steam vent and cross the insertion infusion bottle of filter element; Another section is to place the outdoor tube for transfusion 3.3 of refrigeration feeding and keep somewhere syringe needle 3.4, places the outdoor tube for transfusion 3.3 of refrigeration feeding to comprise interior infusion tube 3.31 and external thermal insulation 3.32, at two sections junctions of tube for transfusion, flexible heat-insulating and sealing ring taps 3.5.
Before tube for transfusion is kept somewhere syringe needle 3.4 temperature of liquid detector 3.6 is arranged, the outfan 3.7 of temperature of liquid detector 3.6 is the standard socket that can be connected to the control signal input port of transfusion speed controller.The flexible pipe clamp mechanism 5 of transfusion speed controller is indoor in the refrigeration feeding, is installed in indoor infusion tube 3.1 by the position, and the control signal input port of transfusion speed controller control section is located on the lower case panel 1.1.
The control signal input port of transfusion speed controller is provided with the control signal input port 6.1 of human body temperature detector.The outfan 10.1 of human body temperature detector 10 is connected with control signal input port 6.1.
As Fig. 3: transfusion speed controller 6 control sections comprise automatically controlled part and drive part, and drive part adopts servomotor 7, decelerator 8, output shaft 9 to be connected with flexible pipe clamp mechanism 5.
As Fig. 4: automatically controlled part comprises signal receiving processing circuit, central processing unit, A/D change-over circuit, electric machine controller successively; Signal receives and the input of treatment circuit is connected to and gives on the lower case panel of liquid chamber 1.1 control signal input port 6.1,6.2 in refrigeration.
As Fig. 5: the drive part of refrigeration outfan transfusion speed controller control section adopts the flexible pipe clamp mechanism of electromagnet mechanism; Automatically controlled part comprises signal reception and treatment circuit, central processing unit, D/A change-over circuit, electromagnet coil control circuit successively; Electric magnet 13 is connected with flexible pipe clamp mechanism 5.The input of signal receiving processing circuit is connected in refrigeration to the control signal input port on the lower case panel of liquid chamber.
No matter the drive part of transfusion speed controller 6 is servomotor, electromagnet mechanism (plug-type, rotary) or other, all has a lot of existing structures to adopt.If the flexible pipe clamp mechanism by the position, can also adopt the electromagnetic valve of control gas flow in air inlet pipe.
Fig. 6 is the central processing unit software flow pattern: work process is: initialization, require to set droplet a fast initial value parameter and a temperature range according to purposes, and the detected temperatures signal continues former speed at set point; Reach minimum, will drip fast initial value and add a definite value M; Reach peak, will drip fast initial value and subtract a definite value M; So repeatedly, measured parameter (liquid or human body) temperature is remained in the claimed range.
Core of the present invention is that refrigeration is given on the wall of liquid chamber or the door tube for transfusion patchhole is set, and tube for transfusion divides two sections, pipe and external thermal insulation in the tube for transfusion outside the patchhole comprises.Can guarantee to guarantee the temperature of liquid.What therefore, the tube for transfusion outside every patchhole adopted heat-insulation layer all belongs to protection scope of the present invention.
Claims (10)
1. control whole body sub-low-temperature therapeutic equipment automatically for one kind, comprise housing, refrigeration is given liquid chamber, the transfusion part, it is characterized in that: the indoor infusion bottle rack that is provided with of refrigeration feeding, the transfusion part comprises tube for transfusion and transfusion speed controller thereof, refrigeration is given on the wall of liquid chamber or the door tube for transfusion patchhole is set, the flexible pipe clamp mechanism of transfusion speed controller is indoor in the refrigeration feeding, be installed in indoor infusion tube or air inlet pipe and pass through the position, tube for transfusion divides two sections, one section is to place indoor infusion tube and the syringe needle of refrigeration feeding, another section is to place the outdoor tube for transfusion of refrigeration feeding and keep somewhere syringe needle, places the outdoor tube for transfusion of refrigeration feeding that heat-insulation layer is arranged outside infusion tube.
2. automatic control whole body sub-low-temperature therapeutic equipment according to claim 1, it is characterized in that: transfusion speed controller control section is in refrigeration is given the lower case of liquid chamber, and the control signal input of transfusion speed controller is connected with control signal input port on being located at case panel.
3. automatic control whole body sub-low-temperature therapeutic equipment according to claim 1 and 2, it is characterized in that: the temperature of liquid detector is arranged between tube for transfusion syringe needle and infusion tube, and the outfan of temperature of liquid detector is connected to the control signal input port of transfusion speed controller.
4. automatic control whole body sub-low-temperature therapeutic equipment according to claim 1 and 2, it is characterized in that: be provided with the signal input port of human body temperature detector at the control signal input port place of transfusion speed controller, the signal input port of human body temperature detector is connected with the human body temperature detector.
5. automatic control whole body sub-low-temperature therapeutic equipment according to claim 1 and 2 is characterized in that: giving the top of liquid chamber front in refrigeration is door, and one section baffle plate is arranged at the bottom is antetheca, and the tube for transfusion patchhole is located on this section baffle plate.
6. automatic control whole body sub-low-temperature therapeutic equipment according to claim 2 is characterized in that: transfusion speed controller control section comprises automatically controlled part and drive part, and drive part adopts the drive source of servomotor as the flexible pipe clamp mechanism; Automatically controlled part adopts servomotor controller.
7. automatic control whole body sub-low-temperature therapeutic equipment according to claim 2 is characterized in that: transfusion speed controller control section comprises automatically controlled part and drive part, and drive part adopts solenoid actuated mechanism to be connected with the flexible pipe clamp mechanism; Automatically controlled part adopts the electromagnet mechanism control circuit.
8. according to claim 6 or 7 described automatic control whole body sub-low-temperature therapeutic equipments, it is characterized in that: automatically controlled part comprises that also central processing unit and interface circuit thereof are connected with servomotor controller or electromagnet mechanism control circuit.
9. automatic control whole body sub-low-temperature therapeutic equipment according to claim 1 and 2 is characterized in that: refrigeration has the heat-insulating and sealing circle for the tube for transfusion patchhole place of liquid chamber.
10. automatic control whole body sub-low-temperature therapeutic equipment according to claim 1 and 2 is characterized in that: at the flexible heat-insulating and sealing ring taps of two sections boundarys of tube for transfusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100527753A CN100518844C (en) | 2007-07-17 | 2007-07-17 | Automatic control whole body sub-low-temperature therapeutic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100527753A CN100518844C (en) | 2007-07-17 | 2007-07-17 | Automatic control whole body sub-low-temperature therapeutic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101085384A CN101085384A (en) | 2007-12-12 |
| CN100518844C true CN100518844C (en) | 2009-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100527753A Expired - Fee Related CN100518844C (en) | 2007-07-17 | 2007-07-17 | Automatic control whole body sub-low-temperature therapeutic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100518844C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755190B (en) * | 2011-04-26 | 2014-12-31 | 中国科学院理化技术研究所 | All-functional wide warm area low-temperature treatment equipment |
| CN106668979B (en) * | 2017-02-08 | 2019-07-12 | 中国医科大学附属盛京医院 | A kind of novel infusion pressurizes and has refrigeration side pipe administration functions device |
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2007
- 2007-07-17 CN CNB2007100527753A patent/CN100518844C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101085384A (en) | 2007-12-12 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20170717 |