WO2022127618A1 - Cooling head sleeve equipped with microfluid flow channel - Google Patents
Cooling head sleeve equipped with microfluid flow channel Download PDFInfo
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- WO2022127618A1 WO2022127618A1 PCT/CN2021/135310 CN2021135310W WO2022127618A1 WO 2022127618 A1 WO2022127618 A1 WO 2022127618A1 CN 2021135310 W CN2021135310 W CN 2021135310W WO 2022127618 A1 WO2022127618 A1 WO 2022127618A1
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- flow channel
- cooling
- microfluidic flow
- headgear
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- 238000001816 cooling Methods 0.000 title claims abstract description 62
- 206010037660 Pyrexia Diseases 0.000 claims abstract description 16
- 238000009826 distribution Methods 0.000 claims abstract description 13
- 210000004204 blood vessel Anatomy 0.000 claims abstract description 8
- 210000005036 nerve Anatomy 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 49
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 210000001202 rhombencephalon Anatomy 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- 230000006378 damage Effects 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
- 239000004677 Nylon Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 208000014674 injury Diseases 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 239000011736 potassium bicarbonate Substances 0.000 description 4
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 4
- 235000015497 potassium bicarbonate Nutrition 0.000 description 4
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 4
- 235000017557 sodium bicarbonate Nutrition 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 230000036760 body temperature Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001754 anti-pyretic effect Effects 0.000 description 2
- 239000002221 antipyretic Substances 0.000 description 2
- 210000004556 brain Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000009098 adjuvant therapy Methods 0.000 description 1
- 229940035676 analgesics Drugs 0.000 description 1
- 239000000730 antalgic agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002124 endocrine Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 239000007927 intramuscular injection Substances 0.000 description 1
- 238000010255 intramuscular injection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 208000030159 metabolic disease Diseases 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
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- 244000045947 parasite Species 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000028016 temperature homeostasis Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
Definitions
- the invention relates to the field of medical devices, in particular to the structural design, preparation method and application of a cooling headgear equipped with a microfluidic flow channel.
- the cooling headgear equipped with a microfluidic flow channel can be used to assist the physical cooling of the head of a fever patient, in adjuvant therapy.
- Fever as a disease has generally appeared in daily life. Most fevers are caused by infections, such as pathogenic microorganisms such as viruses, bacteria, and parasites. Some non-infectious fevers also manifest as complications of some diseases, such as endocrine and metabolic diseases, tumor fever caused by malignant tumors, organic diseases, tuberculosis, etc.
- the body's thermoregulatory center regulates the dynamic balance of the body's heat production and heat dissipation processes. When the body is infected with pathogens or due to certain diseases, the thermoregulation center is dysfunctional, the body accelerates heat production and reduces heat dissipation, which ultimately affects the rise in body temperature. higher than the normal range.
- the methods of reducing fever mainly include physical cooling and drug cooling.
- Drug cooling mainly uses antipyretic and analgesic drugs or intramuscular injections to treat fever.
- Physical cooling mainly absorbs the heat emitted by the body through warm water wiping, alcohol wiping, etc., and accelerates the body's heat dissipation mechanism to assist in lowering the body temperature.
- physical cooling is given priority when the body temperature is lower than 38.5 °C.
- the commonly used auxiliary physical cooling tools such as antipyretic stickers and ice pillows have problems such as different applicability to different groups of people, low comfort, and low cooling efficiency. Therefore, it is urgent to develop a new type of physical auxiliary cooling tools to achieve Safe and efficient cooling and heat absorption.
- the technical problem to be solved by the present invention is to aim at the deficiencies of the existing auxiliary physical cooling tools, and combined with the microfluidic technology, a headgear equipped with a microfluidic flow channel is designed as a new auxiliary physical cooling tool to assist fever patients to achieve safe and efficient suction. Thermal and physical cooling process.
- the technical scheme adopted in the present invention is:
- a cooling headgear equipped with a microfluidic flow channel comprising a headgear body and a microfluidic flow channel, the headgear body is used to cover the head of a fever patient, and a microfluidic body fitted to the inner wall of the headgear body is carried in the headgear body at the same time
- the microfluidic flow channel can be closely attached to the back of the human body for cooling the head;
- the microfluidic flow channel has a special geometric structure, and the special geometric structure is based on the blood vessels in the back of the brain,
- a flow channel designed for nerve distribution, and the flow channel bypasses the local sensitive area of the hindbrain, and has a microfluidic flow channel inlet on one side and a microfluidic flow channel outlet on the other side.
- a cooling solution with high specific heat capacity to achieve efficient endothermic cooling effect one side of the headgear body has a solution injection port for cooling solution injection, and the other side has a solution outlet for cooling solution discharge.
- the solution injection port is connected to the inlet of the microfluidic flow channel, and the outlet of the microfluidic flow channel is connected to the solution discharge port.
- the material of the headgear body is foamed styrene material.
- the flow channel distribution of the microfluidic channel corresponds to the distribution of the blood vessels and nerves in the hindbrain and bypasses the local sensitive area of the hindbrain, which can avoid the damage to the local area of the hindbrain caused by the temperature reduction after the injection of the cooling solution.
- the material of the microfluidic flow channel is HY-4135 fabric nylon-coated silica gel
- the overall geometric structure of the microfluidic flow channel is an arc surface
- the microfluidic flow channel is fitted inside the headgear body.
- the cooling solution is sodium chloride solution, sodium bicarbonate solution, potassium bicarbonate solution or a combination thereof.
- the components of the cooling solution include 0.9% sodium chloride, 5% sodium bicarbonate and 5% potassium bicarbonate in terms of mass concentration percentage.
- the cooling headgear equipped with the microfluidic flow channel of the present invention can greatly improve the efficiency of assisting fever patients to physically cool the head. Compared with the existing physical auxiliary cooling tools, the advantages of the present invention are:
- the cooling headgear equipped with the microfluidic flow channel of the present invention uses the traditional headgear as the carrier of the microfluidic flow channel, which can well fit the back of the head of the fever patient, and satisfies the consideration of the comfort of the fever patients of different ages.
- the cooling principle of the cooling headgear is to use the microfluidic flow channel to perfuse the cooling solution, and use the low-temperature high specific heat capacity solution to achieve an efficient and durable endothermic process. Distribution, while achieving high-efficiency heat absorption and cooling, it fully considers the damage to the head caused by temperature reduction, and improves the safety of the cooling headgear.
- Figure 1 is a schematic diagram of the structure of the headgear body.
- FIG. 1 Schematic diagram of the structure of the microfluidic flow channel.
- 1-head cover body 2-solution injection port, 3-solution discharge port, 4-microfluidic flow channel, 5-microfluidic flow channel inlet, 6-microfluidic flow channel outlet.
- the special geometric structure is a flow channel designed based on the distribution of blood vessels and nerves in the hindbrain, and the flow channel bypasses the local sensitive area of the hindbrain, with a microfluidic flow channel inlet 5 on one side and a microfluidic flow channel on the other side.
- the flow channel outlet 6 is to inject a cooling solution with a high specific heat capacity into the microfluidic flow channel 4 to achieve an efficient endothermic cooling effect;
- one side of the head cover body 1 has a solution injection port for cooling solution injection 2.
- the other side has a solution discharge port 3 for cooling solution discharge, the solution injection port 2 is connected to the microfluidic flow channel inlet 5, and the microfluidic flow channel outlet 6 is connected to the solution discharge port 3.
- the material of the headgear body 1 is foamed styrene material, which is non-toxic, harmless, sweat-absorbing and breathable, and has a certain mechanical strength and can play a protective role.
- the flow channel distribution of the microfluidic channel 4 corresponds to the distribution of the blood vessels and nerves in the hindbrain and bypasses the local sensitive area of the hindbrain, which can avoid the damage to the local area of the hindbrain caused by the temperature reduction after the injection of the cooling solution.
- the material of the microfluidic flow channel 4 is HY-4135 fabric nylon-coated silica gel, which is environmentally friendly, non-toxic and harmless.
- HY-4135 fabric nylon-coated silica gel which is environmentally friendly, non-toxic and harmless.
- the cooling solution is sodium chloride solution, sodium bicarbonate solution, potassium bicarbonate solution or a combination thereof.
- the components of the cooling solution include 0.9% sodium chloride, 5% sodium bicarbonate and 5% potassium bicarbonate in terms of mass concentration percentage.
- the headgear includes a headgear body 1 , a microfluidic flow channel, a solution injection port 2 , and a solution discharge port 3 .
- the headgear body 1 is provided with an assembly part, and the assembly part is used to fit the microfluidic flow channel inside the headgear body 1 .
- the microfluidic flow channel 4 has a special geometric flow channel structure. The design of the flow channel shape is mainly based on the distribution of blood vessels and nerves in the back of the brain. Lower temperatures cause damage to these sensitive areas.
- the solution injection port 2 is located on the right side of the headgear main body 1 , and is used for the injection of the cooling solution, and is connected to the microfluidic flow channel inlet 5 at the same time.
- the solution discharge port 3 is located on the left side of the headgear main body 1 and is used for discharging the cooling solution, and is connected to the microfluidic flow channel outlet 6 at the same time.
- Figure 2 shows the shape distribution of the microfluidic flow channel inside the headgear body. It can be seen from Figure 2 that the specific position of the microfluidic flow channel is that its bottom end is 5cm away from the bottom edge of the headgear body, and the entire microfluidic flow channel is centered inside the headgear body. distributed.
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
Abstract
A cooling head sleeve equipped with a microfluid flow channel (4), comprising a head sleeve body (1) and a microfluid flow channel (4). The head sleeve body (1) is configured to coat the head of a patient suffering from fever. The head sleeve body (1) is equipped with the microfluid flow channel (4) attached to the inner wall of the head sleeve body (1). The microfluid flow channel (4) can be tightly attached to the afterbrain part of a human body and is used for cooling the head. The microfluid flow channel (4) has a special geometric structure. The special geometric structure is a flow channel designed on the basis of distribution of blood vessels and nerves at the afterbrain part, and the flow channel bypasses a local sensitive area of the afterbrain. One side of the flow channel is provided with a microfluid flow channel inlet (5), and the other side of the flow channel is provided with a microfluid flow channel outlet (6). A cooling solution with high specific heat capacity is injected into the microfluid flow channel (4). Therefore, the efficient heat absorption and cooling effects are achieved. The cooling head sleeve equipped with the microfluid flow channel (4) has the advantages of low cost, simple processing, and good cooling and heat absorption effect, and can meet the use requirements for assisting in physical cooling of the head of a patient suffering from fever.
Description
本发明涉及医疗器械领域，具体涉及的是一种搭载微流体流道的降温头套的结构设计、制备方法及应用，该搭载微流体流道的降温头套可以用于辅助发热病人头部物理降温、辅助治疗等领域中。The invention relates to the field of medical devices, in particular to the structural design, preparation method and application of a cooling headgear equipped with a microfluidic flow channel. The cooling headgear equipped with a microfluidic flow channel can be used to assist the physical cooling of the head of a fever patient, in adjuvant therapy.
发热作为一种病症已经普遍地出现在日常生活中。大多数发热都是由于感染引起的，例如病毒、细菌、寄生虫等病原体微生物。也有部分非感染性的发热表现为一些疾病的并发症状，例如内分泌代谢疾病、恶性肿瘤引起的肿瘤性发热、器质性疾病、结核病等。在正常情况下人体的体温调节中枢调控机体的产热和散热过程的动态平衡，当机体在感染病原体或是因为某些疾病导致体温调节中枢功能障碍，机体加速产热而散热减少最终影响体温升高超过正常范围。Fever as a disease has generally appeared in daily life. Most fevers are caused by infections, such as pathogenic microorganisms such as viruses, bacteria, and parasites. Some non-infectious fevers also manifest as complications of some diseases, such as endocrine and metabolic diseases, tumor fever caused by malignant tumors, organic diseases, tuberculosis, etc. Under normal circumstances, the body's thermoregulatory center regulates the dynamic balance of the body's heat production and heat dissipation processes. When the body is infected with pathogens or due to certain diseases, the thermoregulation center is dysfunctional, the body accelerates heat production and reduces heat dissipation, which ultimately affects the rise in body temperature. higher than the normal range.
退热的方法主要有物理降温和药物降温，药物降温主要使用解热镇痛的药物或者肌肉注射的药物进行退烧的治疗。而物理降温主要是通过温水擦拭、酒精擦拭等方式吸收身体散发的热量，加速身体的散热机制进而辅助降低体温，一般在体温低于38.5℃时都优先考虑物理降温。目前常用的退烧贴、冰枕等辅助物理降温工具存在对不同人群的适用性不一、舒适度不高、降温效率较低等问题，因此迫切地需要开发一种新型的物理辅助降温工具以实现安全、高效地降温吸热功能。The methods of reducing fever mainly include physical cooling and drug cooling. Drug cooling mainly uses antipyretic and analgesic drugs or intramuscular injections to treat fever. Physical cooling mainly absorbs the heat emitted by the body through warm water wiping, alcohol wiping, etc., and accelerates the body's heat dissipation mechanism to assist in lowering the body temperature. Generally, physical cooling is given priority when the body temperature is lower than 38.5 °C. At present, the commonly used auxiliary physical cooling tools such as antipyretic stickers and ice pillows have problems such as different applicability to different groups of people, low comfort, and low cooling efficiency. Therefore, it is urgent to develop a new type of physical auxiliary cooling tools to achieve Safe and efficient cooling and heat absorption.
发明内容SUMMARY OF THE INVENTION
本发明所要解决的技术问题是针对现有的辅助物理降温工具的不足，结合微流体技术，设计了一种搭载微流体流道的头套作为新型辅助物理降温工具，辅助发热病人实现安全高效的吸热、物理降温过程。The technical problem to be solved by the present invention is to aim at the deficiencies of the existing auxiliary physical cooling tools, and combined with the microfluidic technology, a headgear equipped with a microfluidic flow channel is designed as a new auxiliary physical cooling tool to assist fever patients to achieve safe and efficient suction. Thermal and physical cooling process.
为解决上述技术问题，本发明采用的技术方案是：In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is:
一种搭载微流体流道的降温头套，包括头套本体和微流体流道，所述的头套本体用于包覆发热病人头部，同时在头套本体内搭载有贴合于头套本体内壁的微流体流道，所述的微流体流道能够与人体后脑部位紧密贴合，用于头部降温；所述微流体流道具有特殊的几何结构，所述 的特殊的几何结构为基于后脑部位血管、神经分布设计的流道，且所述流道绕开后脑的局部敏感区域，其一侧具有微流体流道入口，另一侧具有微流体流道出口，在所述的微流体流道中注入具有高比热容的降温溶液，以实现高效的吸热降温效果；所述的头套本体一侧具有用于降温溶液注入的溶液注入口，另一侧具有用于降温溶液排出的溶液排出口，所述的溶液注入口连接至微流体流道入口，所述的微流体流道出口至连接溶液排出口。A cooling headgear equipped with a microfluidic flow channel, comprising a headgear body and a microfluidic flow channel, the headgear body is used to cover the head of a fever patient, and a microfluidic body fitted to the inner wall of the headgear body is carried in the headgear body at the same time The microfluidic flow channel can be closely attached to the back of the human body for cooling the head; the microfluidic flow channel has a special geometric structure, and the special geometric structure is based on the blood vessels in the back of the brain, A flow channel designed for nerve distribution, and the flow channel bypasses the local sensitive area of the hindbrain, and has a microfluidic flow channel inlet on one side and a microfluidic flow channel outlet on the other side. A cooling solution with high specific heat capacity to achieve efficient endothermic cooling effect; one side of the headgear body has a solution injection port for cooling solution injection, and the other side has a solution outlet for cooling solution discharge. The solution injection port is connected to the inlet of the microfluidic flow channel, and the outlet of the microfluidic flow channel is connected to the solution discharge port.
作为优选的方案，所述头套本体的材质为发泡苯乙烯材料。As a preferred solution, the material of the headgear body is foamed styrene material.
作为优选的方案，所述的微流体流道的流道分布相应于后脑血管、神经的分布并绕开后脑的局部敏感区域，能够避免在注入降温溶液后温度降低对后脑局部区域的伤害。As a preferred solution, the flow channel distribution of the microfluidic channel corresponds to the distribution of the blood vessels and nerves in the hindbrain and bypasses the local sensitive area of the hindbrain, which can avoid the damage to the local area of the hindbrain caused by the temperature reduction after the injection of the cooling solution.
作为优选的方案，所述微流体流道的材料为HY-4135织物尼龙涂层硅胶，所述微流体流道的几何结构整体为弧面，微流体流道贴合于头套本体内部。As a preferred solution, the material of the microfluidic flow channel is HY-4135 fabric nylon-coated silica gel, the overall geometric structure of the microfluidic flow channel is an arc surface, and the microfluidic flow channel is fitted inside the headgear body.
作为优选的方案，所述的降温溶液为氯化钠溶液、碳酸氢钠溶液、碳酸氢钾溶液或其组合。As a preferred solution, the cooling solution is sodium chloride solution, sodium bicarbonate solution, potassium bicarbonate solution or a combination thereof.
进一步的，所述的降温溶液的组成成分按质量浓度百分数计包括0.9％的氯化钠、5％的碳酸氢钠和5％的碳酸氢钾。Further, the components of the cooling solution include 0.9% sodium chloride, 5% sodium bicarbonate and 5% potassium bicarbonate in terms of mass concentration percentage.
与现有技术相比，本发明的有益效果是：Compared with the prior art, the beneficial effects of the present invention are:
本发明所述的搭载微流体流道的降温头套可以极大地提高辅助发热病人进行头部物理降温的效率，和现有的物理辅助降温工具相比，本发明的优势在于：The cooling headgear equipped with the microfluidic flow channel of the present invention can greatly improve the efficiency of assisting fever patients to physically cool the head. Compared with the existing physical auxiliary cooling tools, the advantages of the present invention are:
(1)本发明搭载微流体流道的降温头套以传统的头套作为微流体流道的载体，可以很好地贴合发热病人的后脑部位，满足了不同年龄段发热病人对舒适度的考虑。(1) The cooling headgear equipped with the microfluidic flow channel of the present invention uses the traditional headgear as the carrier of the microfluidic flow channel, which can well fit the back of the head of the fever patient, and satisfies the consideration of the comfort of the fever patients of different ages.
(2)降温头套的降温原理是利用微流体流道灌注降温溶液，利用低温的高比热容溶液实现高效持久的吸热过程，本发明微流体流道的几何结构设计考虑人体后脑表面血管、神经的分布，在实现高效率吸热降温的同时，充分考虑到温度降低对头部的伤害，提高了降温头套使用的安全性。(2) The cooling principle of the cooling headgear is to use the microfluidic flow channel to perfuse the cooling solution, and use the low-temperature high specific heat capacity solution to achieve an efficient and durable endothermic process. Distribution, while achieving high-efficiency heat absorption and cooling, it fully considers the damage to the head caused by temperature reduction, and improves the safety of the cooling headgear.
图1头套本体的结构示意图。Figure 1 is a schematic diagram of the structure of the headgear body.
图2微流体流道的结构示意图。Figure 2 Schematic diagram of the structure of the microfluidic flow channel.
图中：1-头套本体，2-溶液注入口，3-溶液排出口，4-微流体流道，5-微流体流道入口，6-微流体流道出口。In the figure: 1-head cover body, 2-solution injection port, 3-solution discharge port, 4-microfluidic flow channel, 5-microfluidic flow channel inlet, 6-microfluidic flow channel outlet.
以下结合具体实施例对上述方案做进一步说明。应理解，这些实施例是用于说明本发明而不限于限制本发明的范围。凡根据本发明精神实质所做的等效变换或修饰，都应涵盖在本发明的保护范围之内。实施例中未注明的实施条件通常为常规实验中的条件。The above scheme will be further described below in conjunction with specific embodiments. It should be understood that these examples are intended to illustrate the invention and not to limit the scope of the invention. All equivalent transformations or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention. The implementation conditions not specified in the examples are usually the conditions in routine experiments.
一种搭载微流体流道4的降温头套，包括头套本体1和微流体流道4，所述的头套本体1用于包覆发热病人头部，同时在头套本体1内搭载有贴合于头套本体1内壁的微流体流道4，所述的微流体流道4能够与人体后脑部位紧密贴合，用于头部降温；所述微流体流道4具有特殊的几何结构，注入降温溶液后能够实现较好地吸热效果。A cooling headgear equipped with a microfluidic flow channel 4, comprising a headgear body 1 and a microfluidic flow channel 4, the headgear body 1 is used to cover the head of a fever patient, and a headgear body 1 is mounted in the headgear body 1 to fit the headgear. The microfluidic flow channel 4 on the inner wall of the main body 1, the microfluidic flow channel 4 can be closely attached to the back of the human body for cooling the head; the microfluidic flow channel 4 has a special geometric structure, and after the cooling solution is injected Can achieve better heat absorption effect.
所述的特殊的几何结构为基于后脑部位血管、神经分布设计的流道，且所述流道绕开后脑的局部敏感区域，其一侧具有微流体流道入口5，另一侧具有微流体流道出口6，在所述的微流体流道4中注入具有高比热容的降温溶液，以实现高效的吸热降温效果；所述的头套本体1一侧具有用于降温溶液注入的溶液注入口2，另一侧具有用于降温溶液排出的溶液排出口3，所述的溶液注入口2连接至微流体流道入口5，所述的微流体流道出口6至连接溶液排出口3。The special geometric structure is a flow channel designed based on the distribution of blood vessels and nerves in the hindbrain, and the flow channel bypasses the local sensitive area of the hindbrain, with a microfluidic flow channel inlet 5 on one side and a microfluidic flow channel on the other side. The flow channel outlet 6 is to inject a cooling solution with a high specific heat capacity into the microfluidic flow channel 4 to achieve an efficient endothermic cooling effect; one side of the head cover body 1 has a solution injection port for cooling solution injection 2. The other side has a solution discharge port 3 for cooling solution discharge, the solution injection port 2 is connected to the microfluidic flow channel inlet 5, and the microfluidic flow channel outlet 6 is connected to the solution discharge port 3.
实施例中，所述头套本体1的材质为发泡苯乙烯材料，无毒无害、吸汗透气，具有一定的机械强度能够起到保护作用。In the embodiment, the material of the headgear body 1 is foamed styrene material, which is non-toxic, harmless, sweat-absorbing and breathable, and has a certain mechanical strength and can play a protective role.
实施例中，所述的微流体流道4的流道分布相应于后脑血管、神经的分布并绕开后脑的局部敏感区域，能够避免在注入降温溶液后温度降低对后脑局部区域的伤害。In the embodiment, the flow channel distribution of the microfluidic channel 4 corresponds to the distribution of the blood vessels and nerves in the hindbrain and bypasses the local sensitive area of the hindbrain, which can avoid the damage to the local area of the hindbrain caused by the temperature reduction after the injection of the cooling solution.
实施例中，所述微流体流道4的材料为HY-4135织物尼龙涂层硅胶，环保无毒无害，所述微流体流道的几何结构整体为弧面，微流体流道贴合于头套本体1内部。In the embodiment, the material of the microfluidic flow channel 4 is HY-4135 fabric nylon-coated silica gel, which is environmentally friendly, non-toxic and harmless. Inside the headgear body 1.
实施例中，所述的降温溶液为氯化钠溶液、碳酸氢钠溶液、碳酸氢钾溶液或其组合。In an embodiment, the cooling solution is sodium chloride solution, sodium bicarbonate solution, potassium bicarbonate solution or a combination thereof.
进一步的，所述的降温溶液的组成成分按质量浓度百分数计包括0.9％的氯化钠、5％的碳酸氢钠和5％的碳酸氢钾。Further, the components of the cooling solution include 0.9% sodium chloride, 5% sodium bicarbonate and 5% potassium bicarbonate in terms of mass concentration percentage.
头套如图1所示，包括头套主体1、微流体流道、溶液注入口2、溶液排出口3。其中，头套本体1上设置有装配部件，该装配部件用于在头套本体1内部贴合微流体流道。如图2所示，微 流体流道4具有特殊的几何流道结构，流道形状的设计主要基于后脑部位血管、神经的分布，流道绕开后脑一些局部敏感区域，避免灌注降温溶液后局部温度降低对这些敏感区域造成损伤。溶液注入口2位于头套主体1右侧，用于降温溶液的注入，同时连接微流体流道入口5。溶液排出口3位于头套主体1左侧，用于降温溶液的排出，同时连接微流体流道出口6。图2为微流体流道在头套本体内部的形状分布，从图2可以看出，微流体流道的具体位置是其底端距头套本体底部边缘5cm，整个微流体流道在头套本体内部居中分布。As shown in FIG. 1 , the headgear includes a headgear body 1 , a microfluidic flow channel, a solution injection port 2 , and a solution discharge port 3 . Wherein, the headgear body 1 is provided with an assembly part, and the assembly part is used to fit the microfluidic flow channel inside the headgear body 1 . As shown in Figure 2, the microfluidic flow channel 4 has a special geometric flow channel structure. The design of the flow channel shape is mainly based on the distribution of blood vessels and nerves in the back of the brain. Lower temperatures cause damage to these sensitive areas. The solution injection port 2 is located on the right side of the headgear main body 1 , and is used for the injection of the cooling solution, and is connected to the microfluidic flow channel inlet 5 at the same time. The solution discharge port 3 is located on the left side of the headgear main body 1 and is used for discharging the cooling solution, and is connected to the microfluidic flow channel outlet 6 at the same time. Figure 2 shows the shape distribution of the microfluidic flow channel inside the headgear body. It can be seen from Figure 2 that the specific position of the microfluidic flow channel is that its bottom end is 5cm away from the bottom edge of the headgear body, and the entire microfluidic flow channel is centered inside the headgear body. distributed.
Claims (4)
- 一种搭载微流体流道的降温头套，其特征在于：头套包括头套本体和微流体流道，所述的头套本体用于包覆发热病人头部，同时在头套本体内搭载有贴合于头套本体内壁的微流体流道，所述的微流体流道能够与人体后脑部位紧密贴合，用于头部降温；所述微流体流道具有特殊的几何结构，所述的特殊的几何结构为基于后脑部位血管、神经分布设计的流道，且所述流道绕开后脑的局部敏感区域，其一侧具有微流体流道入口，另一侧具有微流体流道出口，在所述的微流体流道中注入具有高比热容的降温溶液，以实现高效的吸热降温效果；所述的头套本体一侧具有用于降温溶液注入的溶液注入口，另一侧具有用于降温溶液排出的溶液排出口，所述的溶液注入口连接至微流体流道入口，所述的微流体流道出口至连接溶液排出口。A cooling headgear equipped with a microfluidic flow channel is characterized in that: the headgear includes a headgear body and a microfluidic flow channel, the headgear body is used to cover the head of a fever patient, and a headgear body is mounted in the headgear body to fit the headgear The microfluidic flow channel on the inner wall of the body, the microfluidic flow channel can be closely attached to the back of the human body for cooling the head; the microfluidic flow channel has a special geometric structure, and the special geometric structure is The flow channel is designed based on the distribution of blood vessels and nerves in the hindbrain, and the flow channel bypasses the local sensitive area of the hindbrain, and has a microfluidic flow channel inlet on one side and a microfluidic flow channel outlet on the other side. A cooling solution with high specific heat capacity is injected into the fluid flow channel to achieve efficient endothermic cooling effect; one side of the head cover body has a solution injection port for cooling solution injection, and the other side has a solution drain for cooling solution discharge. The outlet, the solution injection port is connected to the inlet of the microfluidic flow channel, and the outlet of the microfluidic flow channel is connected to the solution discharge port.
- 根据权利要求1所述的搭载微流体流道的降温头套，其特征在于：所述头套本体的材质为发泡苯乙烯材料。The cooling headgear equipped with a microfluidic flow channel according to claim 1, wherein the material of the headgear body is a foamed styrene material.
- 根据权利要求1所述的搭载微流体流道的降温头套，其特征在于：所述的微流体流道的流道分布相应于后脑血管、神经的分布并绕开后脑的局部敏感区域，能够避免在注入降温溶液后温度降低对后脑局部区域的伤害。The cooling headgear equipped with a microfluidic flow channel according to claim 1, wherein the flow channel distribution of the microfluidic flow channel corresponds to the distribution of the blood vessels and nerves in the hindbrain and bypasses the local sensitive area of the hindbrain, which can avoid Injury to the local area of the hindbrain due to temperature reduction following injection of a cooling solution.
- 根据权利要求1所述的搭载微流体流道的降温头套，其特征在于：所述微流体流道的材料为HY-4135织物尼龙涂层硅胶，所述微流体流道的几何结构整体为弧面，微流体流道贴合于头套本体内部。The cooling headgear equipped with a microfluidic flow channel according to claim 1, wherein the material of the microfluidic flow channel is HY-4135 fabric nylon-coated silica gel, and the overall geometric structure of the microfluidic flow channel is an arc On the surface, the microfluidic flow channel fits inside the headgear body.
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- 2020-12-18 CN CN202011501490.5A patent/CN112656576A/en active Pending
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| CN201005854Y (en) * | 2007-03-06 | 2008-01-16 | 张艳 | Head physical cooling cap |
| CN202313905U (en) * | 2011-11-16 | 2012-07-11 | 张健莉 | Medical ice cap |
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