CN112741724A - Portable nasal cavity sub-low temperature treatment device - Google Patents
Portable nasal cavity sub-low temperature treatment device Download PDFInfo
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- CN112741724A CN112741724A CN202110019812.0A CN202110019812A CN112741724A CN 112741724 A CN112741724 A CN 112741724A CN 202110019812 A CN202110019812 A CN 202110019812A CN 112741724 A CN112741724 A CN 112741724A
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- treatment device
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- humidifier
- liquid oxygen
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- 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
- A61F7/12—Devices for heating or cooling internal body cavities
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- 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
- A61F2007/0001—Body part
- A61F2007/0002—Head or parts thereof
- A61F2007/0006—Nose
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- 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
- A61F2007/0054—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water
- A61F2007/0056—Heating or cooling appliances for medical or therapeutic treatment of the human body with a closed fluid circuit, e.g. hot water for cooling
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- 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
- A61F2007/0095—Heating or cooling appliances for medical or therapeutic treatment of the human body with a temperature indicator
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- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (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
The invention provides a portable nasal cavity sub-low temperature treatment device, and belongs to the technical field of medical equipment. This treatment device includes the casing, the liquid oxygen storage tank, the evaporimeter returns the temperature, the fluid controller, the humidifier, connecting tube and nasal cavity sacculus pipe, the liquid oxygen storage tank is installed on the base of casing, the input of the evaporimeter that returns the temperature is connected with the output of liquid oxygen storage tank, the input of fluid controller is connected with the output of the evaporimeter that returns the temperature, the input of humidifier is connected with the output of fluid controller, the output of humidifier is connected with the connecting tube, the one end that the humidifier was kept away from to the connecting tube is connected with nasal cavity sacculus pipe, the one end that connecting tube was kept away from to nasal cavity sacculus pipe is provided with the sacculus. The brain tissue temperature is rapidly reduced to the sub-low temperature level through the treatment device, the first aid outside a hospital can be realized, and the critical patient can be effectively treated in time, so that the death rate and the disability rate are reduced, and the maximum benefit of the critical patient is realized.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and relates to a portable nasal cavity sub-low temperature treatment device.
Background
Hypothermia treatment has been used for a long time, as early as 40 in the 20 th century, and scholars abroad have used in extracorporeal circulation heart surgery for the purpose of achieving cerebral protection, and then in 1987, scholars worldwide have generally agreed on the cerebral protection effect of systemic hypothermia (33-35 ℃) methods, and have been increasingly clinically used for hypothermia treatment to avoid or improve various types of nervous system function damage.
At present, the sub-low temperature treatment is carried out clinically, the sub-low temperature treatment technology on the body surface is mostly adopted, the representative products are an ice blanket, an ice cap, an alcohol wiping bath and the like, the sub-low temperature treatment instrument adopted in recent years in part of hospitals also belongs to the body surface cooling technology, the difference is that the sub-low temperature treatment instrument on the body surface increases the control performance, and the following outstanding problems exist in the body surface cooling technology: firstly, the cooling speed is slow, the clinical required target temperature can not be realized in the optimal time, generally, the clinical adaptation sub-low temperature treatment cases are critical patients with cranial nerve damage, the optimal time window of the sub-low temperature treatment is 30 minutes after the disease is developed, or the earlier the better, the later the effect is worse, but the target temperature reached by the current body surface cooling technology is more than 4 hours, and the optimal time window is missed in the cooling process, thereby influencing the sub-low temperature curative effect. Secondly, the adverse reactions of the body surface sub-low temperature technology are chills and muscle tremor, clinically, patients often cannot bear severe chills in the treatment process to stop the sub-low temperature treatment, and the muscle tremor can cause the risks of respiration, cardiac pressure, cranial pressure, a large amount of heat production and the like, and is an adverse event strictly controlled clinically. Thirdly, the sub-low temperature method of the body surface is influenced by the ambient temperature and the obesity of the patient body. Fourthly, the working intensity and the working time of the medical staff are increased. These disadvantages constitute the root cause of the clinical failure of the body surface hypothermia technology to be popularized and applied. There is therefore a clinical desire for a novel technique for accurately controlled sub-hypothermia that can achieve and stably maintain a target temperature window in a target time window without severe adverse effects.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a portable nasal cavity sub-hypothermia treatment device, which aims to solve the technical problems that: how to realize the quick sub-low temperature treatment of patients.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a sub-low temperature treatment device in portable nasal cavity, includes casing, liquid oxygen storage tank, temperature evaporator, fluid control ware, humidifier, connecting tube and nasal cavity sacculus pipe, the liquid oxygen storage tank is installed on the base of casing, the input of temperature evaporator is connected with the output of liquid oxygen storage tank again, the input of fluid control ware is connected with the output of temperature evaporator again, the input of humidifier is connected with the output of fluid control ware, the output of humidifier is connected with connecting tube, the one end that connecting tube kept away from the humidifier is connected with nasal cavity sacculus pipe, the one end that connecting tube was kept away from to nasal cavity sacculus pipe is provided with the sacculus.
In the above portable sub-low temperature therapeutic device in nasal cavity, an electronic valve is arranged between the liquid oxygen storage tank and the temperature return evaporator.
In the portable nasal cavity sub-low temperature treatment device, a pressure reducing valve is arranged between the temperature return evaporator and the fluid controller.
In the portable nasal cavity sub-low temperature treatment device, the balloon is uniformly provided with a plurality of micropores.
In the above portable nasal cavity sub-low temperature treatment device, the liquid oxygen storage tank, the temperature return evaporator, the fluid controller and the humidifier are all provided with a temperature sensor, a pressure sensor and a flow detector.
In the aforesaid inferior low temperature treatment device in a portable nasal cavity, treatment device still includes lithium cell group, lithium cell group installs in the casing, lithium cell group all with liquid oxygen storage tank, temperature return evaporimeter, fluid controller, humidifier, electronic valve and relief pressure valve electric connection.
In the portable intranasal subhypothermia treatment device, the lithium battery pack comprises 2 24V lithium batteries.
In the above portable sub-hypothermia treatment device in the nasal cavity, the treatment device further comprises a data processor and a computer, the data processor is in signal connection with the computer, the data processor is used for reading data of temperature sensors, pressure sensors and flow detectors on the liquid oxygen storage tank, the temperature return evaporator, the fluid controller and the humidifier and controlling oxygen flow, temperature and humidity of the liquid oxygen storage tank, the temperature return evaporator, the fluid controller and the humidifier, and the computer is used for displaying and processing the data read by the data processor.
In the above portable nasal cavity sub-hypothermia treatment device, handles are arranged on two sides of the casing.
Compared with the prior art, the invention has the following advantages:
by the treatment device, the heat exchange between the nasal sinus cavity and the brain tissue can directly and rapidly reduce the temperature of the brain tissue, and the temperature of the brain tissue can be rapidly reduced to the sub-low temperature level (32 ℃ -35 ℃), so that the treatment purpose of sub-low temperature brain protection is realized, the on-site first aid outside a hospital can be realized, and critical patients such as acute stroke, cerebral trauma, myocardial infarction, severe heatstroke and the like can be effectively treated in time, the death rate and the disability rate are reduced, and the maximum benefit of the critical patients is realized.
Drawings
Fig. 1 is a schematic structural view of the present treatment apparatus.
In the figure, 1, a liquid oxygen storage tank; 2. a temperature return evaporator; 3. a fluid controller; 4. a humidifier; 5. connecting a conduit; 6. a nasal balloon catheter; 7. a balloon; 8. an electronic valve; 9. a pressure reducing valve; 10. a lithium battery pack; 11. a data processor; 12. and (4) a computer.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1, the treatment device comprises a casing (not shown in the figure), a liquid oxygen storage tank 1, a temperature return evaporator 2, a fluid controller 3, a humidifier 4, a connecting conduit 5 and a nasal balloon catheter 6, wherein the liquid oxygen storage tank is installed on a base of the casing, the input end of the temperature return evaporator 2 is connected with the output end of the liquid oxygen storage tank 1, the input end of the fluid controller 3 is connected with the output end of the temperature return evaporator 2, the input end of the humidifier 4 is connected with the output end of the fluid controller 3, the output end of the humidifier 4 is connected with the connecting conduit 5, one end of the connecting conduit 5 far away from the humidifier 4 is connected with the nasal balloon catheter 6, and one end of the nasal balloon catheter 6 far away from the connecting conduit 5 is provided with.
The treatment device comprises a machine shell, wherein handles (not shown in the figure) are arranged on two sides of the machine shell, the handles are convenient for medical staff to carry and operate, a liquid oxygen storage tank 1 is arranged on a base of the machine shell, particularly, liquid oxygen at-183 ℃ is filled in the liquid oxygen storage tank 1 with the volume of 1kg, an electronic valve 8 is arranged at the output end of the liquid oxygen storage tank 1, the electronic valve 8 is connected with the input end of a temperature return evaporator 2, the electronic valve 8 is used for opening or closing the outlet of the liquid oxygen storage tank 1, after the electronic valve 8 is opened, the liquid oxygen enters the temperature return evaporator 2, and the temperature return evaporator 2 converts the low-temperature liquid oxygen into gaseous oxygen at 4-8 ℃; a pressure reducing valve 9 is arranged between the temperature return evaporator 2 and the fluid controller 3, the pressure reducing valve 9 reduces the pressure of gaseous oxygen in a high-pressure state to 0.3-0.5mpa, the reduced-pressure oxygen enters the fluid controller 3, the fluid controller 3 is used for controlling the flow of the oxygen, the output flow range of the oxygen is controlled to be 150 ml-250 ml minutes, the output end of the fluid controller 3 is connected with the input end of a humidifier 4, 30ml of distilled water is contained in the humidifier 4, the oxygen output by the fluid controller 3 enters the humidifier 4, so that the oxygen is humidified, stimulation of dry oxygen to nasal cavities, nasal sinus cavities or tracheal mucosa is avoided, and discomfort of a patient is eliminated; the output end of the humidifier 4 is connected with the connecting conduit 5, one end of the connecting conduit 5 far away from the humidifier 4 is connected with the nasal cavity balloon conduit 6, the total length of the connecting conduit 5 and the nasal cavity balloon conduit 6 is 2m, one end of the nasal cavity balloon conduit 6 far away from the connecting conduit 5 is provided with the balloon 7, the balloon 7 extends into the nasal sinus cavity, oxygen at 4-8 ℃ and 0.3-0.5mpa passes through the connecting conduit 5 and the nasal cavity balloon conduit 6 and is uniformly sprayed out of the balloon 7, so that the nasal sinus cavity is filled with low-temperature oxygen at 4-8 ℃, and because the nasal sinus cavity is close to brain tissue and temperature difference of about 30 ℃ exists, heat exchange can be formed between the nasal sinus cavity and the brain tissue, the brain tissue temperature can be directly and rapidly reduced, and the brain tissue temperature can be rapidly reduced to a sub-low-temperature level (32-35 ℃), and the. The treatment device can quickly reduce the temperature of brain tissues to a sub-low temperature level, can realize field first aid outside a hospital, and can effectively treat critical and urgent patients with acute stroke, cerebral trauma, myocardial infarction, severe heatstroke and the like in time, thereby reducing the death rate and the disability rate and realizing the maximum benefit of the critical patients; in addition, the operation is simple, the puncture is not needed, the medical device belongs to noninvasive medical equipment, the volume is small, the carrying is convenient, and the medical device is suitable for ambulances with narrow spaces and any field use.
As shown in fig. 1, in this embodiment, the balloon 7 is uniformly provided with a plurality of micropores. In the structure, the saccule 7 is uniformly provided with a plurality of micropores, and because the pressure of the saccule filled with oxygen is higher than that of the nasal sinus cavity, low-temperature oxygen can be uniformly discharged from the micropores and sprayed into the nasal sinus cavity, so that the temperature of the nasal sinus cavity is maintained at 6-10 ℃, and heat exchange between the low-temperature nasal sinus cavity and the nearest brain tissue is formed.
As shown in fig. 1, in the present embodiment, a temperature sensor, a pressure sensor and a flow detector are disposed on the liquid oxygen storage tank 1, the temperature return evaporator 2, the fluid controller 3 and the humidifier 4. In the structure, the liquid oxygen storage tank 1, the temperature return evaporator 2, the fluid controller 3 and the humidifier 4 are all provided with a temperature sensor, a pressure sensor and a flow detector, so that the temperature, the humidity and the flow rate of oxygen can be monitored in real time.
As shown in fig. 1, in this embodiment, the treatment device further includes a lithium battery pack 10, the lithium battery pack 10 includes 2 lithium batteries of 24V, so that the portable nasal cavity sub-hypothermia treatment device system can continuously operate for more than 60 minutes without a mains supply on site outside a hospital, the lithium battery pack 10 is installed in the housing, and the lithium battery pack 10 is electrically connected to the liquid oxygen storage tank 1, the temperature return evaporator 2, the fluid controller 3, the humidifier 4, the electronic valve 8 and the pressure reducing valve 9.
In the embodiment, as shown in fig. 1, the treatment device further comprises a data processor 11 and a computer 12, the data processor 11 is in signal connection with the computer 12, the data processor 11 is used for reading data of temperature sensors, pressure sensors and flow detectors on the liquid oxygen storage tank 1, the temperature return evaporator 2, the fluid controller 3 and the humidifier 4 and controlling oxygen flow, temperature and humidity of the liquid oxygen storage tank 1, the temperature return evaporator 2, the fluid controller 3 and the humidifier 4, the computer 12 is used for displaying and processing the data read by the data processor 11, and the computer 12 can monitor the dynamic brain temperature of the patient on line.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (9)
1. A portable nasal cavity sub-low temperature treatment device comprises a machine shell, a liquid oxygen storage tank (1), a temperature return evaporator (2), a fluid controller (3), a humidifier (4), a connecting catheter (5) and a nasal cavity sacculus catheter (6), the liquid oxygen storage tank (1) is arranged on the base of the shell, the input end of the temperature return evaporator (2) is connected with the output end of the liquid oxygen storage tank (1), the input end of the fluid controller (3) is connected with the output end of the temperature return evaporator (2), the input end of the humidifier (4) is connected with the output end of the fluid controller (3), the output end of the humidifier (4) is connected with a connecting catheter (5), one end of the connecting catheter (5) far away from the humidifier (4) is connected with a nasal balloon catheter (6), one end of the nasal cavity balloon catheter (6) far away from the connecting catheter (5) is provided with a balloon (7).
2. A portable intranasal hypothermia treatment device according to claim 1, characterized in that an electronic valve (8) is provided between the liquid oxygen tank (1) and the temperature return evaporator (2).
3. A portable intranasal sub-hypothermia treatment device according to claim 1, characterized in that a pressure reducing valve (9) is provided between the temperature return evaporator (2) and the fluid controller (3).
4. The portable intranasal intracavitary sub-hypothermia treatment device as claimed in claim 1, characterized in that the balloon (7) is uniformly provided with a plurality of micropores.
5. The portable intranasal subcryogenic treatment device according to claim 1, characterized in that the liquid oxygen storage tank (1), the return temperature evaporator (2), the fluid controller (3) and the humidifier (4) are provided with temperature sensors, pressure sensors and flow detectors.
6. The portable intranasal intracavitary sub-hypothermia treatment device according to claim 1, further comprising a lithium battery pack (10), wherein the lithium battery pack (10) is installed in the casing, and the lithium battery pack (10) is electrically connected with the liquid oxygen storage tank (1), the temperature return evaporator (2), the fluid controller (3), the humidifier (4), the electronic valve (8) and the pressure reducing valve (9).
7. The portable intranasal intracavitary sub-hypothermia treatment device as claimed in claim 6, wherein the lithium battery pack (10) comprises 2 24V lithium batteries.
8. A portable intranasal hypothermia treatment device according to claim 1, characterized in that the treatment device further comprises a data processor (11) and a computer (12), the data processor (11) is connected with the computer (12) by signals, the data processor (11) is used for reading data of temperature sensors, pressure sensors and flow detectors on the liquid oxygen storage tank (1), the temperature return evaporator (2), the fluid controller (3) and the humidifier (4) and controlling oxygen flow, temperature and humidity of the liquid oxygen storage tank (1), the temperature return evaporator (2), the fluid controller (3) and the humidifier (4), and the computer (12) is used for displaying and processing the data read by the data processor (11).
9. The portable intranasal intracavitary sub-hypothermia treatment device as claimed in claim 1, wherein handles are provided on both sides of the housing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019812.0A CN112741724A (en) | 2021-01-07 | 2021-01-07 | Portable nasal cavity sub-low temperature treatment device |
| PCT/CN2021/128623 WO2022148115A1 (en) | 2021-01-07 | 2021-11-04 | Portable intra-nasal hypothermia therapy device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110019812.0A CN112741724A (en) | 2021-01-07 | 2021-01-07 | Portable nasal cavity sub-low temperature treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN112741724A true CN112741724A (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110019812.0A Pending CN112741724A (en) | 2021-01-07 | 2021-01-07 | Portable nasal cavity sub-low temperature treatment device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112741724A (en) |
| WO (1) | WO2022148115A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022148115A1 (en) * | 2021-01-07 | 2022-07-14 | 张晓平 | Portable intra-nasal hypothermia therapy device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7179279B2 (en) * | 2002-09-30 | 2007-02-20 | Medtronic Physio Control Corp. | Rapid induction of mild hypothermia |
| US9629745B2 (en) * | 2010-02-16 | 2017-04-25 | The Johns Hopkins University | Method and device for non-invasive anatomical and systemic cooling and neuroprotection |
| WO2015139142A1 (en) * | 2014-03-21 | 2015-09-24 | The University Of Western Ontario | Mammalian head cooling system and method |
| US11173063B2 (en) * | 2018-05-13 | 2021-11-16 | Michelle Yue Zhu | Brain cooling method and portable device |
| CN111685927B (en) * | 2020-06-29 | 2022-03-15 | 北京中关村水木医疗科技有限公司 | Temperature control system and method of operating the same |
| CN111658304B (en) * | 2020-06-29 | 2022-03-15 | 北京中关村水木医疗科技有限公司 | Control method of lower computer, lower computer and readable medium |
| CN112741724A (en) * | 2021-01-07 | 2021-05-04 | 张晓平 | Portable nasal cavity sub-low temperature treatment device |
-
2021
- 2021-01-07 CN CN202110019812.0A patent/CN112741724A/en active Pending
- 2021-11-04 WO PCT/CN2021/128623 patent/WO2022148115A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022148115A1 (en) * | 2021-01-07 | 2022-07-14 | 张晓平 | Portable intra-nasal hypothermia therapy device |
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| Publication number | Publication date |
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| WO2022148115A1 (en) | 2022-07-14 |
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