CN103083081B - Protective device and cold and hot knife - Google Patents
Protective device and cold and hot knife Download PDFInfo
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- CN103083081B CN103083081B CN201310008324.5A CN201310008324A CN103083081B CN 103083081 B CN103083081 B CN 103083081B CN 201310008324 A CN201310008324 A CN 201310008324A CN 103083081 B CN103083081 B CN 103083081B
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- protective sleeve
- heater strip
- temperature
- temperature sensor
- cold
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Abstract
The invention discloses a protective device, a cold and hot knife, and a control method of the protective device. The protective device comprises a protective sleeve, a temperature sensor, a heating strip and a control unit. The temperature sensor is connected with the protective sleeve and collects current temperature of the protective device. The heating strip is wound on the protective sleeve. The control unit is connected with the temperature sensor and the heating strip, obtains the current temperature of collection of the temperature sensor, and controls heat which is produced by the heating strip according to the current temperature and preset protective temperature. Temperature of the protective device can be maintained in the temperature scope which is borne by normal tissue of a human body, and thus the normal tissue of the human body is not frozen by low-temperature gas.
Description
Technical field
The present invention relates to medical instruments field, relate to a kind of protector, cold and hot cutter in particular.
Background technology
Along with the development of science and technology, the mankind have had very big breakthrough in treatment tumor, cold and hot cutter is used by people widely with the advantage of its uniqueness, cold and hot cutter is a kind of medical apparatus and instruments for tumor cutting, the mode of melting that then suddenly heats up is freezed by implementing fast cooling to tumor tissues, carry out effective destroyed tumor tissue, when cryogenic gas is flowed into cold and hot cutter, can realize freezing the cooling of tumor tissues.
Cold and hot cutter is made up of two parts usually: first component and second component, first component is non-treatment section parts, second component is treatment section parts, in use, first component is positioned at the normal structure scope of human body, second component is positioned at the tumor tissues scope of human body, when cryogenic gas flow to treatment section parts through non-treatment section parts, can carry out cooling freeze the tumor tissues of human body.
And in order to prevent the normal structure of cryogenic gas cold injury human body; usually protector is inlayed on the first component of cold and hot cutter; in the prior art; this protector mainly adopts vacuum protection cover, to realize the isolation effect to cryogenic gas, but when treatment time is long; because the effect of heat insulation of vacuum protection cover is limited; also easy by the normal tissue cell cold injury of human body, dangerous, therefore can not realize effectively heat insulation.
Summary of the invention
In view of this, the invention provides a kind of protector, cold and hot cutter, to solve in prior art because vacuum protection cover effect of heat insulation is limited easily by the problem of the normal tissue cell cold injury of human body.
For achieving the above object, the invention provides following technical scheme:
A kind of protector, comprising:
Protective sleeve;
Be connected with described protective sleeve, gather the temperature sensor of protective sleeve Current Temperatures;
Be wrapped in the heater strip on described protective sleeve;
Be connected with described temperature sensor and described heater strip respectively, obtain the Current Temperatures that described temperature sensor gathers, and protect temperature according to described Current Temperatures with default, control the control unit that heater strip produces heat.
Preferably, the outer surface of described protective sleeve is provided with spiral groove, and described heater strip is specifically wrapped in the spiral groove of described protective sleeve.
Preferably, described temperature sensor is T-shaped thermoelectricity occasionally K type thermocouple.
Preferably, described protective sleeve is the protective sleeve of titanium ceramic material.
Preferably, described heater strip is the heater strip of carbon fibre materials.
Preferably, described heater strip Surface coating has insulating barrier.
Preferably, described insulating barrier is the insulating barrier of polyimide material.
A kind of cold and hot cutter, comprises first component and second component, studs with protector described above in described first component; Described second component is treatment section parts.
Known via above-mentioned technical scheme; compared with prior art; the invention discloses a kind of protector, cold and hot cutter; in this protector; control unit can obtain the protective sleeve Current Temperatures that temperature sensor gathers; and protect temperature to control heater strip to produce heat with presetting according to Current Temperatures, in the temperature range that the normal structure that the heat of heater strip generation can remain on human body can bear, thus ensure that the normal structure of human body can not by cryogenic gas cold injury.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of an embodiment of a kind of protector of the present invention;
Fig. 2 is the structural representation of an embodiment of a kind of cold and hot cutter of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of protector, cold and hot cutter, this protector comprises protective sleeve, be connected with described protective sleeve, gather the temperature sensor of protective sleeve Current Temperatures, be wrapped in the heater strip of described protective sleeve outer surface, be connected with described heater strip with described temperature sensor respectively, obtain the Current Temperatures that described temperature sensor gathers, and protect temperature according to described Current Temperatures with default, control the control unit that heater strip produces heat, in the temperature range that the normal structure that the heat that heater strip produces can remain on human body can bear, thus ensure that the normal structure of human body can not by cryogenic gas cold injury.
See Fig. 1, show the structural representation of an embodiment of a kind of protector of the present invention.
Composition graphs 1, this protector can comprise: protective sleeve 101, temperature sensor 102, heater strip 103 and control unit 104, wherein:
Described temperature sensor 102 is connected with described protective sleeve 101, can gather protective sleeve Current Temperatures, concrete, can gather the Current Temperatures of protective sleeve outer surface;
Wherein, described protective sleeve is made up of adiabator, such as, can select titanium ceramic thermal insulation material.
It should be noted that, the way of realization of described protective sleeve is not concrete to be limited, and single ply protective directly can be selected to overlap or double shielding cover, also can select vacuum protection cover, this protective sleeve can better be realized heat insulation; The structure of certain described protective sleeve does not have concrete restriction yet, and its outer surface can be smooth structure, also can be provided with groove, and wherein, described groove can be spiral groove.
Wherein, the type of not limiting temperature sensor, as preferred implementation, can select T-shaped thermoelectricity occasionally K type thermocouple in the present invention.
Described heater strip 103 is wrapped on described protective sleeve 101;
It should be noted that; heater strip is wound around the not concrete restriction of mode on the protective sleeve; as a kind of way of realization; heater strip can be wrapped in the inside of protective sleeve; also the outer surface of described protective sleeve can be directly wrapped in closely; certainly, described heater strip also can be wrapped in the spiral groove of described protective sleeve.
Wherein, described heater strip can select the heater strip of paramagnetism conductive material, such as, can select carbon fiber heating silk.
Wherein, described heater strip surface can coated insulation layer, and the material of insulating barrier is not particularly limited, and such as, can select the insulating barrier of polyimide material.
Wherein, described temperature sensor can be fixed between the outer surface of described protective sleeve and described heater strip, for gathering the Current Temperatures of described protective sleeve outer surface.
Described control unit 104 is connected with described heater strip 103 with described temperature sensor 102 respectively, can obtain the Current Temperatures that described temperature sensor 102 gathers, and can protect temperature according to described Current Temperatures with default, controls heater strip 103 and produces heat.
Wherein, presetting protection temperature is the temperature range that human body normal structure can be born, and can arrange the default protection temperature satisfied the demands in described control unit.
Described control unit can control heater strip according to default protection temperature and produce corresponding heat, heat conduction is given described protective sleeve by heater strip, the temperature of described protective sleeve can be maintained and preset protection temperature, after described control unit obtains the Current Temperatures of the protective sleeve that temperature sensor gathers, can temperature be protected to compare with default described Current Temperatures, when described Current Temperatures is less than default protection temperature, then control unit can be protected the temperature gap of temperature to control heater strip to produce heat with presetting according to Current Temperatures, the heat that heater strip produces can pass to protective sleeve, the temperature of this protector is maintained and presets protection temperature.
Wherein, can be provided with design heat amount corresponding to different temperature gaps in described control unit, control unit can control heater strip according to different design heat amount, and the heat that heater strip is produced can reach presets protection temperature.Wherein, the Current Temperatures that the acquisition temperature sensor that described control unit can be real-time gathers, also periodically can obtain the Current Temperatures that temperature sensor gathers, the restriction that the interval that certain control unit periodically obtains is not concrete.
In the present embodiment; the protective sleeve Current Temperatures of temperature sensor collection is obtained by control unit; and protect temperature to control heater strip to produce heat with presetting according to Current Temperatures; in the temperature range that the normal structure that the heat that heater strip produces makes the temperature of this protector can remain on human body can bear, thus ensure that the normal structure of human body can not by cryogenic gas cold injury.
The invention also discloses a kind of cold and hot cutter, see Fig. 2, show the structural representation of an embodiment of a kind of cold and hot cutter of the present invention, this cold and hot cutter can comprise first component 100 and second component 200, studs with protector 300 in described first component 100.
Described protector specifically can be shown in Figure 1, this protector can comprise:
Protective sleeve 101;
Be connected with described protective sleeve 101, gather the temperature sensor 102 of protective sleeve Current Temperatures;
Be wrapped in the heater strip 103 of described protective sleeve 101 outer surface;
Be connected with described heater strip 103 with described temperature sensor 102 respectively, obtain the Current Temperatures that described temperature sensor 102 gathers, and protect temperature according to described Current Temperatures with default, control the control unit 104 that heater strip 103 produces heat.
Wherein, the function of each structure of this protector can see described in above-described embodiment.
It should be noted that, the size of this protector and length all can be arranged according to practical situation;
In application in practice, can select the cold and hot cutter of different model for the size of tumor, in certain cold and hot cutter, the length of first component and second component can regulate according to selecting the protector of different length, thus facilitates the cutting of tumor.
In the present embodiment, by protector is arranged in the first component of cold and hot cutter, ensure that when using this cold and hot cutter; the normal structure of human body can not by cryogenic gas cold injury, and, can be according to the actual requirements; the protector of different size is set in cold and hot cutter, facilitates the cutting of tumor.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For method disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see device section.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a protector, is characterized in that, comprising:
Protective sleeve;
Be connected with described protective sleeve, gather the temperature sensor of protective sleeve Current Temperatures;
Be wrapped in the heater strip on described protective sleeve;
Be connected with described temperature sensor and described heater strip respectively; obtain the Current Temperatures that described temperature sensor gathers; and protect temperature according to described Current Temperatures with default; controlling heater strip produces in the temperature range that heat can bear with the normal structure enabling the temperature of protective sleeve and remain on human body; thus ensure that the normal structure of human body can not by the control unit of cryogenic gas cold injury; wherein, described default protection temperature is the temperature range that human body normal structure can be born.
2. device according to claim 1, is characterized in that, the outer surface of described protective sleeve is provided with spiral groove, and described heater strip is specifically wrapped in the spiral groove of described protective sleeve.
3. device according to claim 1, is characterized in that, described temperature sensor is T-shaped thermoelectricity occasionally K type thermocouple.
4. device according to claim 1, is characterized in that, described protective sleeve is the protective sleeve of titanium ceramic material.
5. device according to claim 1, is characterized in that, described heater strip is the heater strip of carbon fibre materials.
6. device according to claim 1, is characterized in that, described heater strip Surface coating has insulating barrier.
7. device according to claim 6, is characterized in that, described insulating barrier is the insulating barrier of polyimide material.
8. a cold and hot cutter, comprises first component and second component, it is characterized in that, studs with the protector as described in any one of claim 1 ~ 7 in described first component;
Described second component is treatment section parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310008324.5A CN103083081B (en) | 2013-01-09 | 2013-01-09 | Protective device and cold and hot knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310008324.5A CN103083081B (en) | 2013-01-09 | 2013-01-09 | Protective device and cold and hot knife |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103083081A CN103083081A (en) | 2013-05-08 |
| CN103083081B true CN103083081B (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310008324.5A Active CN103083081B (en) | 2013-01-09 | 2013-01-09 | Protective device and cold and hot knife |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4946460A (en) * | 1989-04-26 | 1990-08-07 | Cryo Instruments, Inc. | Apparatus for cryosurgery |
| CN1430487A (en) * | 2000-05-22 | 2003-07-16 | Itos(眼外科创新技术)有限公司 | Cataract surgery devices and methos for using same |
| CN101803947A (en) * | 2010-03-11 | 2010-08-18 | 中国科学院理化技术研究所 | Cold and hot probe device for tumor cold and hot combined treatment |
| CN203042425U (en) * | 2013-01-09 | 2013-07-10 | 中国科学技术大学 | Protection device and cold-heat knife |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2621553C2 (en) * | 1976-05-14 | 1986-05-07 | Erbe Elektromedizin GmbH, 7400 Tübingen | Cryosurgical probe |
| GB2064082B (en) * | 1979-09-07 | 1984-02-29 | Secr Social Service Brit | Cryogenic liquid transfer systems |
| AU2002356415A1 (en) * | 2002-01-04 | 2003-07-30 | Galil Medical Ltd. | Apparatus and method for protecting the neurovascular bundle during cryosurgical treatment of the prostate |
| US20040220557A1 (en) * | 2003-04-30 | 2004-11-04 | Eum Jay J. | Closed system warming catheter and method of use |
| US20070149959A1 (en) * | 2005-12-23 | 2007-06-28 | Sanarus Medical, Inc. | Cryoprobe for low pressure systems |
-
2013
- 2013-01-09 CN CN201310008324.5A patent/CN103083081B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4946460A (en) * | 1989-04-26 | 1990-08-07 | Cryo Instruments, Inc. | Apparatus for cryosurgery |
| CN1430487A (en) * | 2000-05-22 | 2003-07-16 | Itos(眼外科创新技术)有限公司 | Cataract surgery devices and methos for using same |
| CN101803947A (en) * | 2010-03-11 | 2010-08-18 | 中国科学院理化技术研究所 | Cold and hot probe device for tumor cold and hot combined treatment |
| CN203042425U (en) * | 2013-01-09 | 2013-07-10 | 中国科学技术大学 | Protection device and cold-heat knife |
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| CN103083081A (en) | 2013-05-08 |
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