CN110215274A - It is a kind of for treating the freezer unit of preauricular flstula - Google Patents
It is a kind of for treating the freezer unit of preauricular flstula Download PDFInfo
- Publication number
- CN110215274A CN110215274A CN201910639702.7A CN201910639702A CN110215274A CN 110215274 A CN110215274 A CN 110215274A CN 201910639702 A CN201910639702 A CN 201910639702A CN 110215274 A CN110215274 A CN 110215274A
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- CN
- China
- Prior art keywords
- liquid nitrogen
- bottle
- low temp
- temp compensating
- treating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00321—Head or parts thereof
- A61B2018/00327—Ear, nose or throat
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00791—Temperature
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
- A61B2018/0231—Characteristics of handpieces or probes
- A61B2018/0262—Characteristics of handpieces or probes using a circulating cryogenic fluid
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Otolaryngology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention relates to the field of medical instrument technology, it is in particular a kind of for treating the freezer unit of preauricular flstula, including liquid nitrogen bottle, low temp compensating bottle, ptc heater and controller, the liquid nitrogen bottle is connect with low temp compensating bottle, the hose is connected to the input port of minipump, the delivery outlet of minipump is connected with freezing head, the ptc heater is arranged in translucent cover, temperature sensor is additionally provided in the translucent cover, refrigeration pile is provided in low temp compensating bottle, the controller and minipump, ptc heater and temperature sensor control connect.The present invention can utmostly reduce liquid nitrogen heating, liquid nitrogen original temperature environment be kept, so that liquid nitrogen can reach optimal refrigerating effect；It ensure that the stability of liquid nitrogen；By translucent cover, the liquid nitrogen that can be sprayed to avoid freezing head is escaped out of translucent cover, allows liquid nitrogen for a long time in translucent cover, so as to better cold therapy at the preauricular flstula and surrounding chronic infection stove to patient.
Description
Technical field
It is specially a kind of for treating the freezer unit of preauricular flstula the present invention relates to the field of medical instrument technology.
Background technique
Preauricular flstula is the birth defects caused by congenital hypodevelopment, and preauricular flstula is open multidigit in helix
Before foot, minority can fossa triangularis in auricle or concha auriculae cavity portion.It is general asymptomatic.Can there are a little thin mucus or milky when pressing
Sebum sample object is overflowed from fistula mouth, and discomfort of itching is felt in part.It is asymptomatic or can not be dealt with without the infected.Local itching, it is scratchy when, have
Secretion spilling person.Sometimes gently often there is the white secretion of some a little micro- stinks around extrusion ommatidium.
In the prior art, general to go to cut off by operation after preauricular flstula infection；Also some patients wish or use
Conservative medication.Preauricular flstula is treated using cold therapy, is registered at home few, only Authorization Notice No. is
A kind of freezer unit for treating preauricular flstula of CN2064220U is that 1,2 two parts are divided by a centre, and one end is interconnected
In closed type, and the freezing head of the respective separate openings composition of the other end A, B.The utility model, before treatment children and long-term ear
Fistula infects disunion, is also some patients for being reluctant to receive surgical resection, provides good a, non-operative treatment
Medical instrument.But the utility model there is problems: first is that since liquid nitrogen passes through hose directly from liquid nitrogen container
Freezing head is reached, this is easy heat absorption due to liquid nitrogen in the process, and heating is very fast, causes physiotheraping effect poor；Second is that liquid nitrogen is in hose
It is slower to reach freezing spontaneous conduction, third is that liquid nitrogen is shorter in the freezing head residence time, in this way to lesion, that is, surrounding site treatment
It is ineffective, and over the course for the treatment of because freeze head temperature too low the case where may cause patient's frostbite.
Summary of the invention
The purpose of the present invention is to provide a kind of for treating the freezer unit of preauricular flstula, to solve in above-mentioned background technique
The problem of proposition.The freezer unit for treating preauricular flstula has at the preauricular flstula and surrounding chronic infection stove of patient
There is better cold therapy effect, and fine-tuning whole patient carries out liquid nitrogen temperature in the translucent cover at cold therapy.
To achieve the above object, the invention provides the following technical scheme:
It is a kind of for treating the freezer unit of preauricular flstula, including liquid nitrogen bottle, low temp compensating bottle, ptc heater and control
Device, the liquid nitrogen bottle are connect with low temp compensating bottle, and the low temp compensating bottle is connected with hose, and the hose is connected to micro vacuum
The input port of pump, the delivery outlet of the minipump are connected with freezing head, and are provided in the other end of the freezing head transparent
Cover, the ptc heater are arranged in translucent cover, temperature sensor are additionally provided in the translucent cover, in the low temp compensating bottle
It is inside provided with refrigeration pile, the controller and minipump, ptc heater and temperature sensor control connect.
Preferably, the refrigeration pile includes metallic conductor, semiconductor and DC power supply, in which: the metallic conductor
One end of semiconductor is set, and through being arranged in low temp compensating bottle, the other end of the semiconductor connect structure with DC power supply
At series loop, and it is located at outside low temp compensating bottle.
Preferably, the semiconductor includes several groups N-type semiconductor, P-type semiconductor, adjacent N-type semiconductor, p-type half
Conductor one end is connected by metallic conductor, and is located in low temp compensating bottle, and the other end is connected respectively to the both ends of DC power supply.
Preferably, the N-type semiconductor outside low temp compensating bottle, P-type semiconductor end are provided with cooling fin.
Preferably, the N-type semiconductor outside low temp compensating bottle, P-type semiconductor and low temp compensating bottle bottle body junction are set
It is equipped with soft heat shield.
Preferably, wire is provided in the hose.
Preferably, it is connected between the liquid nitrogen bottle, low temp compensating bottle by pipe, is provided with liquid nitrogen solenoid valve I on the pipe,
Liquid nitrogen solenoid valve II is provided on the hose, the liquid nitrogen solenoid valve I, liquid nitrogen solenoid valve II are electrically connected with controller.
Preferably, polyurethane foam is pasted on the outer wall of the pipe, hose and on the inner wall of low temp compensating bottle.
Preferably, seal washer is provided with around the translucent cover, the ptc heater is supplied using 6V DC voltage
Electricity, the temperature sensor use micro radio temperature sensor.
Preferably, handle is provided on the freezing head.
Compared with prior art, the beneficial effects of the present invention are:
Using refrigeration pile, can make to enter and carry out pre-cooling cooling again in low temp compensating bottle, with compensate liquid nitrogen because
Warming phenomenon in the transmission process used can utmostly reduce liquid nitrogen heating, liquid nitrogen original temperature environment be kept, so as to liquid nitrogen
Optimal refrigerating effect can be reached；Wire can be such that liquid nitrogen quickly passes from one end to the other end along hose axis direction
It leads, reduces liquid nitrogen and exchanged with hose outgoing heat；Pipe, hose outer wall on and the inner wall of low temp compensating bottle on be pasted with poly- ammonia
Ester froth bed can make liquid nitrogen more stable；Seal washer is provided with around translucent cover, the liquid that can be sprayed to avoid freezing head
Nitrogen is escaped out of translucent cover, allow liquid nitrogen for a long time in translucent cover, so as to patient preauricular flstula and surrounding it is chronic
Better cold therapy at focus of infection may cause frostbite to patient as liquid nitrogen temperature is too low, and controller will control ptc heater
Micro- heating makes steady temperature in translucent cover, carries out cold therapy convenient for patient.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is refrigeration pile of the present invention and its installs cooperation schematic diagram with low temp compensating bottle.
In figure: 1 liquid nitrogen bottle, 2 low temp compensating bottles, 3 pipes, 4 liquid nitrogen solenoid valves I, 5 hoses, 6 minipumps, 7 freezing heads, 8
Translucent cover, 9 metallic conductors, 10 semiconductors, 11 DC power supplies, 12 cooling fins, 13N type semiconductor, 14P type semiconductor, 15 liquid nitrogen
Solenoid valve II, 16 wires, 17 soft heat shields, 18PTC heater, 19 handles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1~2 are please referred to, the present invention provides a kind of technical solution:
It is a kind of for treating the freezer unit of preauricular flstula, including liquid nitrogen bottle 1, low temp compensating bottle 2, ptc heater 18 and
Controller, the liquid nitrogen bottle 1 are connect with low temp compensating bottle 2, and the low temp compensating bottle 2 is connected with hose 5, and the hose 5 connects
To the input port of minipump 6, it is provided with wire 16 in the hose 5, the delivery outlet of the minipump 6 is connected with
The case where freezing head 7, and the other end of the freezing head 7 is provided with translucent cover 8, treating at sufferer convenient for observation, the PTC adds
Hot device 18 is arranged in translucent cover 8, is additionally provided with temperature sensor in the translucent cover 8, is provided in the low temp compensating bottle 2
Refrigeration pile, the controller and minipump 6, ptc heater 18 and temperature sensor control connect.
The refrigeration pile includes metallic conductor 9, semiconductor 10 and DC power supply 11, in which: the metallic conductor 9 is set
It sets in one end of semiconductor 10, and through being arranged in low temp compensating bottle 2, the other end and DC power supply 11 of the semiconductor 10 connect
Composition series loop is connect, and is located at outside low temp compensating bottle 2.
The semiconductor 10 includes several groups N-type semiconductor 13, P-type semiconductor 14, adjacent N-type semiconductor 13, p-type half
14 one end of conductor is connected by metallic conductor 9, and is located in low temp compensating bottle 2, and the other end is connected respectively to DC power supply 11
Both ends.
N-type semiconductor 13,14 end of P-type semiconductor outside low temp compensating bottle 2 are provided with cooling fin 12；In low temperature
N-type semiconductor 13, P-type semiconductor 14 and 2 bottle body junction of low temp compensating bottle outside compensation bottle 2 are provided with soft heat shield 17.
It is connected between the liquid nitrogen bottle 1, low temp compensating bottle 2 by pipe 3, liquid nitrogen solenoid valve I 4, institute is provided on the pipe 3
It states and is provided with liquid nitrogen solenoid valve II 15 on hose 5, the liquid nitrogen solenoid valve I 4, liquid nitrogen solenoid valve II 15 electrically connect with controller
It connects.
Handle 19 is provided on the freezing head 7.
The present invention is in use, DC power supply 11 is powered refrigeration pile using 6 or 12V power supply, for a period of time at this time
With the temperature of sheet metal 3 in low temp compensating bottle 2 and 13 junction of PP type semiconductor 14 and N-type semiconductor reduces, and is located at
Metallic conductor 9 in low temp compensating bottle 2 becomes cold end, constantly cools down to low temp compensating bottle 2, until set temperature,
Then handle 19 is held, translucent cover 8 is covered at A shown in Fig. 1 at the i.e. preauricular flstula of patient and surrounding chronic infection stove,
The liquid nitrogen solenoid valve I 4 being arranged on pipe 3 is opened by controller again, the liquid nitrogen of liquid nitrogen bottle 1 enters low temp compensating bottle 2 by pipe 3
Interior progress pre-cooling cooling again, then liquid nitrogen solenoid valve I 4 is closed in control, prevents liquid nitrogen reflux cooling in low temp compensating bottle 2 from arriving
Liquid nitrogen bottle 1 opens the liquid nitrogen solenoid valve II 15 of hose 5, due to being provided with metal in the hose 5 at II 15 both ends of liquid nitrogen solenoid valve
Silk 16, so wire 16 can be such that liquid nitrogen quickly conducts from one end to the other end along 5 axis direction of hose, makes its maximum journey
Degree reduces liquid nitrogen heating, so that liquid nitrogen can reach optimal refrigerating effect, when the liquid nitrogen in low temp compensating bottle 2 is assembled to miniature
When at vacuum pump 6, while controller opens minipump 6, liquid nitrogen is transported to freezing head 7, by freezing 7 tip of head to disease
Stove carries out cold therapy, and liquid nitrogen at this time is coated in translucent cover 8, and liquid nitrogen is longer in the preauricular flstula site of disease residence time,
It realizes preferable to the punishment therapeutic effect of preauricular flstula and surrounding chronic infection stove.
During treatment, frostbite may cause to patient as liquid nitrogen temperature is too low, environment temperature in translucent cover 8 can be set
It is fixed, a critical value is set, it is low when micro radio temperature transducer ASIA-S3-W (not shown) detects that temperature is too low
In critical value, controller will control the micro- heating of ptc heater 18, can also be chosen whether to open PTC according to patient comfort degree
Heater 18 makes steady temperature in translucent cover 8, carries out cold therapy convenient for patient.
The pipe 3, hose 5 outer wall on and the inner wall of low temp compensating bottle 2 on be pasted with polyurethane foam, pipe 3,
Package polyurethane foam can reduce liquid nitrogen temperature during conveying and rise fastly, to avoid liquid nitrogen on the outer wall of hose 5
Lesions position effect variation is acted on, polyurethane foam is pasted in the inner wall of low temp compensating bottle 2, liquid nitrogen can be made more stable.
It is provided with seal washer around the translucent cover 8, translucent cover 8 is covered at patient's preauricular flstula, gasket
Circle is using the soft material of matter, and such as latex circle, the liquid nitrogen that can be sprayed to avoid freezing head 7 be escaped out of translucent cover 8, makes liquid nitrogen can be with
For a long time in translucent cover 8, so as to better cold therapy.
The N-type semiconductor 13 of refrigeration pile, 14 quantity of P-type semiconductor (cold temperatures reached are in a certain range) can be with
It is set according to actual conditions, the metallic conductor 9 being located in low temp compensating bottle 2 in the present embodiment is used as cold end, and temperature can drop to greatly
About -8~-16 DEG C, wire 16 and minipump 6 interact, and make the liquid nitrogen being pre-chilled out of low temp compensating bottle 2 can be with
It quickly reaches in freezing head 7, avoids liquid nitrogen and 5 external heat transfer of hose, for convenience carrying and control, controller and liquid nitrogen electricity
Magnet valve I 4, liquid nitrogen solenoid valve II 15 and minipump 6 can be connected with ptc heater 18 for thread, or wireless
Communication control connection.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of for treating the freezer unit of preauricular flstula, including liquid nitrogen bottle (1), low temp compensating bottle (2), ptc heater (18)
And controller, it is characterised in that: the liquid nitrogen bottle (1) connect with low temp compensating bottle (2), low temp compensating bottle (2) connection
Have hose (5), the hose (5) is connected to the input port of minipump (6), and the delivery outlet of the minipump (6) connects
It is connected to freezing head (7), and is provided with translucent cover (8) in the other end of the freezing head (7), ptc heater (18) setting exists
In translucent cover (8), it is additionally provided with temperature sensor in the translucent cover (8), refrigeration electricity is provided in the low temp compensating bottle (2)
Heap, the controller and minipump (6), ptc heater (18) and temperature sensor control connect.
2. according to claim 1 a kind of for treating the freezer unit of preauricular flstula, it is characterised in that: the refrigeration pile
Including metallic conductor (9), semiconductor (10) and DC power supply (11), in which: the metallic conductor (9) is arranged in semiconductor
(10) one end, and through setting in low temp compensating bottle (2), the other end of the semiconductor (10) is connect with DC power supply (11)
Series loop is constituted, and is located at low temp compensating bottle (2) outside.
3. according to claim 2 a kind of for treating the freezer unit of preauricular flstula, it is characterised in that: the semiconductor
It (10) include several groups N-type semiconductor (13), P-type semiconductor (14), adjacent N-type semiconductor (13), P-type semiconductor (14) one
End is connected by metallic conductor (9), and is located in low temp compensating bottle (2), and the other end is connected respectively to DC power supply (11)
Both ends.
4. according to claim 3 a kind of for treating the freezer unit of preauricular flstula, it is characterised in that: be in low temp compensating
Bottle (2) outer N-type semiconductor (13), P-type semiconductor (14) end are provided with cooling fin (12).
5. according to claim 3 a kind of for treating the freezer unit of preauricular flstula, it is characterised in that: be in low temp compensating
N-type semiconductor (13), P-type semiconductor (14) and low temp compensating bottle (2) the bottle body junction of bottle (2) outside are provided with soft heat shield
(17)。
6. according to claim 1 a kind of for treating the freezer unit of preauricular flstula, it is characterised in that: the hose (5)
Inside it is provided with wire (16).
7. according to claim 1 a kind of for treating the freezer unit of preauricular flstula, it is characterised in that: the liquid nitrogen bottle
(1), it is connected between low temp compensating bottle (2) by pipe (3), is provided with liquid nitrogen solenoid valve I (4), the hose on the pipe (3)
(5) liquid nitrogen solenoid valve II (15) is provided on, the liquid nitrogen solenoid valve I (4), liquid nitrogen solenoid valve II (15) are electrical with controller
Connection.
8. according to claim 7 a kind of for treating the freezer unit of preauricular flstula, it is characterised in that: the pipe (3), soft
It manages on the outer wall of (5) and is pasted with polyurethane foam on the inner wall of low temp compensating bottle (2).
9. according to claim 1 a kind of for treating the freezer unit of preauricular flstula, it is characterised in that: the translucent cover
(8) seal washer is provided with around, the ptc heater (18) uses 6V DC-voltage supply, and the temperature sensor is adopted
With micro radio temperature sensor.
10. a kind of for treating the freezer unit of preauricular flstula described according to claim 1~any one of 9, it is characterised in that:
Handle (19) are provided on the freezing head (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639702.7A CN110215274A (en) | 2019-07-16 | 2019-07-16 | It is a kind of for treating the freezer unit of preauricular flstula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910639702.7A CN110215274A (en) | 2019-07-16 | 2019-07-16 | It is a kind of for treating the freezer unit of preauricular flstula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110215274A true CN110215274A (en) | 2019-09-10 |
Family
ID=67812524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910639702.7A Pending CN110215274A (en) | 2019-07-16 | 2019-07-16 | It is a kind of for treating the freezer unit of preauricular flstula |
Country Status (1)
| Country | Link |
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| CN (1) | CN110215274A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154729A (en) * | 2020-01-23 | 2021-07-23 | 厄比电子医学有限责任公司 | Apparatus and method for supplying coolant to medical instrument |
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|---|---|---|---|---|
| CN2064220U (en) * | 1989-12-29 | 1990-10-24 | 安徽省立医院 | Cryogenic device for the treatment of fistula in front of ear |
| CN2601637Y (en) * | 2003-03-03 | 2004-02-04 | 董向群 | Moving head adjustable and automatic cooling instrument |
| US7047972B2 (en) * | 2002-04-23 | 2006-05-23 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
| EP0987989B1 (en) * | 1997-05-23 | 2006-06-28 | CryMed Technologies, Inc. | Apparatus for cryogenic spray ablation of gastrointestinal mucosa |
| US7137978B2 (en) * | 2002-08-26 | 2006-11-21 | Arbel Medical Ltd | Cryosurgical instrument and its accessory system |
| CN202908832U (en) * | 2012-11-21 | 2013-05-01 | 湖南爱芷生医疗科技有限公司 | Exclusive probe of frozen therapy device |
| CN105402971A (en) * | 2016-01-07 | 2016-03-16 | 上海应用技术学院 | Directed freezing device using liquid nitrogen |
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| CN2064220U (en) * | 1989-12-29 | 1990-10-24 | 安徽省立医院 | Cryogenic device for the treatment of fistula in front of ear |
| EP0987989B1 (en) * | 1997-05-23 | 2006-06-28 | CryMed Technologies, Inc. | Apparatus for cryogenic spray ablation of gastrointestinal mucosa |
| US7047972B2 (en) * | 2002-04-23 | 2006-05-23 | Resmed Limited | Ergonomic and adjustable respiratory mask assembly with headgear assembly |
| US7137978B2 (en) * | 2002-08-26 | 2006-11-21 | Arbel Medical Ltd | Cryosurgical instrument and its accessory system |
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| US20170164965A1 (en) * | 2004-04-21 | 2017-06-15 | Acclarent, Inc. | Devices, systems and methods for diagnosing and treating sinusitis and other disorders of the ears, nose and/or throat |
| CN202908832U (en) * | 2012-11-21 | 2013-05-01 | 湖南爱芷生医疗科技有限公司 | Exclusive probe of frozen therapy device |
| CN105402971A (en) * | 2016-01-07 | 2016-03-16 | 上海应用技术学院 | Directed freezing device using liquid nitrogen |
| EP3415109A1 (en) * | 2017-06-13 | 2018-12-19 | Covidien LP | Systems of cooling surgical instruments |
| CN109381253A (en) * | 2017-08-04 | 2019-02-26 | 厄比电子医学有限责任公司 | The instrument of cryosurgery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154729A (en) * | 2020-01-23 | 2021-07-23 | 厄比电子医学有限责任公司 | Apparatus and method for supplying coolant to medical instrument |
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Application publication date: 20190910 |
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