CN112515617A - Endoscope defogging device and endoscope system - Google Patents
Endoscope defogging device and endoscope system Download PDFInfo
- Publication number
- CN112515617A CN112515617A CN202011342130.5A CN202011342130A CN112515617A CN 112515617 A CN112515617 A CN 112515617A CN 202011342130 A CN202011342130 A CN 202011342130A CN 112515617 A CN112515617 A CN 112515617A
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- endoscope
- induction coil
- insertion portion
- defogging device
- endoscopic
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/127—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements with means for preventing fogging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/128—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements provided with means for regulating temperature
Abstract
The invention relates to the technical field of medical instruments, in particular to an endoscope defogging device and an endoscope system. The endoscope defogging device comprises: a support structure; the inductive coil is connected with the supporting structure and wound into a hollow columnar structure, and the hollow columnar structure is used for accommodating an insertion part of the endoscope; wherein the insertion portion has a heating element inductively coupled to the induction coil, and the heating element prevents the generation of mist on an optical component disposed at a front end of the insertion portion. The endoscope defogging device is internally provided with an inductance coil which is arranged into a hollow columnar structure, a heating element inductively coupled with the inductance coil is arranged in an insertion part of the endoscope, and the heating element is coupled with the inductance coil to heat the endoscope, so that the endoscope is prevented from fogging in the using process.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to an endoscope defogging device and an endoscope system.
Background
In the operation of medical endoscope, because the ambient temperature is lower than the temperature in human body, when the cold endoscope enters the warm and humid human body, the temperature difference can instantly make the water vapor form water mist on the lens, which hinders the observation of the doctor, and the doctor must wait or pause the operation until the image is clear, which can cause great waste of operation time and inconvenience in operation.
In order to avoid the above-mentioned situation, the conventional solutions include a method using warm water immersion, an infrared lamp heating lamp, and the like. The warm water soaking refers to immersing the endoscope into a thermos cup filled with warm water, and wiping off water stains on the surface after taking out; the infrared lamp heating method is a method of heating an endoscope through a glass using an infrared heating lamp. Products used in medical environments need to not only meet performance standards, but also be convenient and easy to use and capable of being sterilized. The operation method of soaking in warm water has the defects of multiple operation steps and uncontrollable water temperature; the infrared lamp heating method has the defects of limited service life of the heating lamp, influence of infrared radiation on temperature measurement and the like.
Disclosure of Invention
The embodiment of the application provides an endoscope defogging device and an endoscope system, solves the problem that a medical endoscope is fogged in the using process in the prior art, and realizes that the endoscope is heated in a non-contact heating mode to avoid the fogging of the endoscope in the using process.
In order to solve the above technical problem, in a first aspect, the present invention discloses an endoscope defogging device, including:
a support structure;
the inductive coil is connected with the supporting structure and wound into a hollow columnar structure, and the hollow columnar structure is used for accommodating an insertion part of the endoscope;
wherein the insertion portion has a heating element inductively coupled to the induction coil, and the heating element prevents the generation of mist on an optical component disposed at a front end of the insertion portion.
Further, the device further comprises an isolation sleeve, wherein the isolation sleeve is used for isolating the inductance coil from the insertion part.
As an optional embodiment, the isolation sleeve is a cylindrical structure, and the isolation sleeve is arranged in the hollow cylindrical structure;
the spacer sleeve has an open end through which the insertion portion is inserted into the tubular structure.
Furthermore, the isolation sleeve is detachably connected with the hollow columnar structure.
As an alternative embodiment, the isolation sleeve is wrapped on the wire around which the inductance coil is wound.
Furthermore, the isolation sleeve is made of a non-metal material.
Further, the device also comprises a temperature sensor, wherein the temperature sensor is arranged close to the isolation sleeve and is used for measuring the temperature of the optical component.
Further, the device further comprises a proximity sensor for detecting a signal of insertion of the insertion portion into the insulating sleeve.
Further, the supporting structure is a casing, the casing is provided with an accommodating cavity, and the inductance coil is arranged in the accommodating cavity.
In a second aspect, the present invention discloses an endoscopic system comprising:
a support structure;
the inductance coil is connected with the supporting structure and is wound into a hollow columnar structure;
an endoscope having an insertion portion insertable into the hollow columnar structure, the insertion portion having a heating element inductively coupled to the induction coil, the heating element preventing mist from being generated on an optical component disposed at a distal end of the insertion portion.
By adopting the technical scheme, the endoscope defogging device and the endoscope system have the following beneficial effects:
the endoscope defogging device is internally provided with an inductance coil which is arranged into a hollow columnar structure, a heating element inductively coupled with the inductance coil is arranged in an insertion part of the endoscope, and the heating element is coupled with the inductance coil to heat the endoscope, so that the endoscope is prevented from fogging in the using process. The heating mode is a non-contact heating mode, and cross contamination risks are avoided; and can realize the even heating of the endoscope; the heating response time is short and the speed is high.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a defogging device of an endoscope according to an embodiment of the present disclosure;
the following is a supplementary description of the drawings:
101-a housing; 102-an inductor coil; 103-an isolation sleeve; 104-a temperature sensor; 105-a control circuit; 106-a proximity sensor; 20-endoscope; 201-insert.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to avoid fogging of medical endoscopes during use, some medical endoscopes have anti-fogging measures on lenses, but the anti-fogging function of the medical endoscopes is gradually weakened along with cleaning and disinfection after long-term use, and the medical endoscopes still generate fog during use. In addition, the following methods are currently used to prevent the lens from forming water mist: (1) before the endoscope enters a human body, a special antifogging agent is coated on a lens, and the defects that the antifogging agent is high in cost and complicated to operate are overcome; (2) before the endoscope enters a human body, a light source of the endoscope is turned on to preheat, and the method is simple, convenient and economical, but the effect is not stable enough, and the consumed time is long; (3) before the endoscope enters a human body, the lens is soaked in hot water to increase the temperature, the anti-fog effect is good, the operation is simple and time-saving, but the anti-fog time is short, and particularly the hot water needs to be continuously replaced in the operation process; (4) the lens is coated with an organic iodine solvent, the antifogging effect is similar to that of antifogging oil, but the visual field is yellow after long-term and repeated use, and the lens is damaged; (5) the endoscope is not operated urgently after entering a human body, and after the temperature of the lens reaches the body temperature, the image is generally clear automatically, but the operation time is wasted.
As shown in fig. 1, an embodiment of the present application discloses an endoscopic defogging device including: a support structure; an induction coil 102, the induction coil 102 is connected with the support structure, the induction coil 102 is wound into a hollow columnar structure, and the hollow columnar structure is used for accommodating the insertion part 201 of the endoscope 20; the insertion portion 201 has a heating element inductively coupled to the induction coil 102, and the heating element prevents the optical component disposed at the distal end of the insertion portion 201 from generating mist.
According to the defogging device for the endoscope, the induction coil 102 is arranged in the device, the induction coil 102 is arranged in a hollow cylindrical structure, the insertion part 201 of the endoscope 20 is internally provided with the heating element inductively coupled with the induction coil 102, and the heating element is coupled with the induction coil 102 to heat the endoscope 20, so that the endoscope 20 is prevented from fogging in the using process. The heating mode is a non-contact heating mode, and cross contamination risks are avoided; and can achieve uniform heating of the endoscope 20; the heating response time is short and the speed is high.
In the embodiment of the present application, the optical components of the endoscope 20 are heated by electromagnetic induction heating, so as to prevent the endoscope 20 from fogging during use. As shown in fig. 1, the supporting structure is used for supporting the inductance coil 102, and optionally, the supporting structure is a supporting frame, a cavity or a housing 101 with the supporting structure, and the like. The inductor 102 is formed by winding a wire into a predetermined number of turns, and may be specifically selected according to the material of the wire, the thickness of the wire, and a predetermined inductance value, which is set according to factors such as heating power and a high-frequency current introduced into the inductor 102. The induction coil 102 is wound into a hollow columnar structure, the endoscope 20 has an insertion portion 201, the distal end of the insertion portion 201 is an optical component of the endoscope 20, the hollow columnar structure is used for accommodating the insertion portion 201, and a heating component made of metal is arranged in the insertion portion 201. The insertion part 201 is inserted in the hollow columnar structure, when high-frequency current is conducted in the induction coil 102, the heating part generates heat due to the eddy current effect, heating of the optical part at the front end is achieved, and therefore fog is generated in use. In an alternative embodiment, the heating element is a metal wall of the endoscope 20, and the high frequency current is passed through the inductive coil 102 to induce an alternating magnetic field in the inductive coil 102, i.e., the hollow cylindrical structure, and eddy currents are induced in the metal wall of the endoscope 20 when the endoscope 20 is inserted into the hollow cylindrical structure. Within a short time, e.g., 10 seconds, the eddy currents will heat the endoscope 20 to a suitable temperature, e.g., 50℃, i.e., above the temperature of the human body, so that the tip will not mist when the endoscope 20 is inserted into the human body.
The device further comprises an isolation sleeve 103, the isolation sleeve 103 being used for isolating the inductor 102 from the insertion portion 201.
In the embodiment of the present application, in order to ensure the safety of mutual induction heating between the inductor 102 and the heating element, it is preferable to provide an isolation sleeve 103 between the inductor 102 and the insertion portion 201. The isolation sleeve 103 is used for realizing physical isolation between the induction coil 102 and the insertion part 201, and the isolation sleeve 103 can be cleaned and disinfected and is easy to replace.
The isolation sleeve 103 is of a cylindrical structure, and the isolation sleeve 103 is arranged in the hollow cylindrical structure; the spacer 103 has an open end through which the insertion portion 201 is inserted into the cylindrical structure.
As an alternative embodiment, as shown in fig. 1, the isolation sleeve 103 is a cylindrical structure with an open end, the cylindrical structure is fixed in the hollow cylindrical structure by clamping or other methods, and the insertion portion 201 can be inserted into the cylindrical structure when the endoscope 20 needs to be heated. Optionally, in order to ensure the isolation and infection prevention effects of the isolation sleeve 103, the sidewall and the bottom of the cylindrical structure are complete wall surfaces, and no gap is formed on the wall surfaces, otherwise, the isolation and infection prevention effects are not achieved.
The spacer 103 is detachably connected to the hollow cylindrical structure.
In the embodiment of the present application, the isolation sleeve 103 is detachably connected to the hollow cylindrical structure. This arrangement is more advantageous for cleaning and disinfecting the isolation sleeve 103. In some embodiments, the isolation sleeve 103 may also be a disposable isolation sleeve 103, and the isolation sleeve 103 may be easily replaced, thereby avoiding cross-contamination of the endoscope 20.
As another alternative, the insulation sleeve 103 is wrapped around the wire around which the inductor 102 is wound. Optionally, the isolation sleeve 103 is wrapped on the wire and integrally wound with the wire to form the inductance coil 102 with a certain number of turns. In some embodiments, the isolation sleeve 103 may also be an insulating rubber coating covering the wire. Optionally, the isolation sleeve 103 may also cover the whole of the wire around the inductance coil 102, the arrangement mode is similar to a concrete prefabricated pipe, the inductance coil 102 is a framework, and the isolation sleeve 103 covers the inductance coil 102 to form a hollow cylindrical structure.
The isolation sleeve 103 is made of non-metallic materials.
In the embodiment of the present application, in order to enable the heating element in the insertion portion 201 to generate heat by inductive coupling with the inductive coil 102, and to heat the endoscope 20, the isolation sleeve 103 needs to be made of a non-metallic material. Optionally, the isolation sleeve 103 is made of glass, plastic, or ceramic.
The device further comprises a temperature sensor 104, the temperature sensor 104 being arranged close to the insulating sleeve 103, the temperature sensor 104 being adapted to measure the temperature of the optical component.
In the embodiment of the present application, as shown in fig. 1, the temperature sensor 104 may be disposed in the cylindrical structure formed by the isolation sleeve 103, may be disposed outside the cylindrical structure formed by the isolation sleeve 103, and may be covered in the isolation sleeve 103. The temperature sensor 104 can monitor the temperature of the insertion portion 201 inserted into the insulating sheath 103 in real time so that the optical component is heated to an appropriate temperature.
The device further comprises a proximity sensor 106, the proximity sensor 106 being adapted to detect the insertion of the insertion portion 201 into the isolation sleeve 103.
In the embodiment of the present application, as shown in fig. 1, the proximity sensor 106 may be disposed close to the temperature sensor, or may be disposed at another position in the endoscope defogging device. The proximity sensor 106 is used to detect whether the insertion portion 201 has been inserted into the insulating sheath 103. Optionally, the proximity sensor 106 is a position sensor, and is disposed at a bottom position of the isolation sleeve 103, and the proximity sensor 106 determines whether the insertion portion 201 has been inserted into the isolation sleeve 103 by detecting whether the insertion portion 201 is present at a predetermined position; optionally, the proximity sensor 106 is a distance sensor, and the proximity sensor 106 determines whether the insertion portion 201 has been inserted into the spacer 103 by detecting the top end of the insertion portion 201 and the bottom of the spacer 103.
In some embodiments, the apparatus further comprises a control circuit 105, the control circuit 105 being capable of controlling the current through the inductive coil 102 in accordance with the feedback temperature of the temperature sensor 104. The control circuit 105 controls the high-frequency current passing through the inside of the inductance coil 102 according to whether the optical component reaches a preset temperature, if the optical component reaches the preset temperature, the control circuit 105 controls the high-frequency current passing through the inside of the inductance coil 102 to be cut off, and if the optical component does not reach the preset temperature, the control circuit 105 controls the high-frequency current to pass through the inside of the inductance coil 102 to heat the optical component.
The supporting structure is a housing 101, the housing 101 has an accommodating cavity, and the inductance coil 102 is disposed in the accommodating cavity.
In the embodiment of the present application, the supporting structure is a housing 101 having an accommodating cavity, components such as the inductance coil 102, the temperature sensor 104, and the control circuit 105 are disposed in the accommodating cavity of the housing 101, and the housing 101 can protect each component in the accommodating cavity.
Referring to fig. 1, the present application further discloses an endoscope system, including: a support structure; the induction coil 102, the induction coil 102 is connected with the supporting structure, and the induction coil 102 is wound into a hollow columnar structure; the endoscope 20 includes an insertion portion 201, the insertion portion 201 is insertable into the hollow columnar structure, and the insertion portion 201 includes a heating element inductively coupled to the induction coil 102 for preventing mist from being generated in an optical component disposed at a distal end of the insertion portion 201.
In embodiments of the present application, where the endoscope system includes an endoscope defogging device, reference is made to all aspects of the endoscope defogging device described above. In the endoscope system according to the embodiment of the present application, the inductance coil 102 is disposed in the endoscope defogging device, the inductance coil 102 is disposed in a hollow cylindrical structure, the insertion portion 201 of the endoscope 20 is disposed with a heating element inductively coupled to the inductance coil 102, and the heating element is coupled to the inductance coil 102 to heat the endoscope 20, so as to prevent the endoscope 20 from fogging during use. The heating mode is a non-contact heating mode, and cross contamination risks are avoided; and can achieve uniform heating of the endoscope 20; the heating response time is short and the speed is high.
The endoscope defogging device and the endoscope system have the following advantages:
1. the heating is uniform, and the whole endoscope steel pipe can be heated, not only a certain point;
2. no consumable consumption;
3. the heating response time is short, and the speed is high;
4. the heated object is isolated from the power transmitting device, and a non-contact heating mode is adopted, so that the risk of cross contamination is avoided;
5. the infrared radiation is not generated in the heating process, and the measurement precision of the infrared temperature sensor is not influenced.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. An endoscopic defogging device comprising:
a support structure;
an induction coil (102), wherein the induction coil (102) is connected with the support structure, the induction coil (102) is wound into a hollow cylindrical structure, and the hollow cylindrical structure is used for accommodating an insertion part (201) of the endoscope (20);
wherein the insertion section (201) has a heating element inductively coupled to the induction coil (102) for preventing the generation of mist on an optical component disposed at the distal end of the insertion section (201).
2. An endoscopic defogging device according to claim 1, wherein the device further comprises an isolation sleeve (103), the isolation sleeve (103) being used for isolating the induction coil (102) and the insertion portion (201).
3. An endoscopic defogging device according to claim 2, wherein the insulating sleeve (103) is a cylindrical structure, the insulating sleeve (103) being disposed within the hollow cylindrical structure;
the spacer sleeve (103) has an open end through which the insertion portion (201) is inserted into the cylindrical structure.
4. An endoscopic defogging device according to claim 3, wherein the isolation sleeve (103) is removably connected with the hollow cylindrical structure.
5. An endoscopic defogging device according to claim 2, wherein the insulating sleeve (103) is wrapped around the conductive wire winding the induction coil (102).
6. An endoscopic defogging device according to claim 4 or 5, wherein the isolation sleeve (103) is made of a non-metallic material.
7. An endoscopic defogging device according to claim 6, wherein the device further comprises a temperature sensor (104), the temperature sensor (104) being disposed proximate to the insulating sleeve (103), the temperature sensor (104) being adapted to measure the temperature of the optical component.
8. An endoscopic defogging device according to claim 7, wherein the device further comprises a proximity sensor (106), the proximity sensor (106) being adapted to detect a signal of the insertion portion (201) being inserted into the insulation cover (103).
9. The endoscopic defogging device according to claim 1, wherein the support structure is a housing (101), the housing (101) having a receiving cavity, the induction coil (102) being disposed within the receiving cavity.
10. An endoscopic system, comprising:
a support structure;
the induction coil (102), the induction coil (102) is connected with the supporting structure, and the induction coil (102) is wound into a hollow columnar structure;
an endoscope (20), wherein the endoscope (20) has an insertion portion (201), the insertion portion (201) can be inserted into the hollow columnar structure, and the insertion portion (201) has a heating element inductively coupled to the induction coil (102) for preventing the generation of mist on an optical component disposed at the distal end of the insertion portion (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011342130.5A CN112515617A (en) | 2020-11-24 | 2020-11-24 | Endoscope defogging device and endoscope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011342130.5A CN112515617A (en) | 2020-11-24 | 2020-11-24 | Endoscope defogging device and endoscope system |
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| Publication Number | Publication Date |
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| CN112515617A true CN112515617A (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011342130.5A Pending CN112515617A (en) | 2020-11-24 | 2020-11-24 | Endoscope defogging device and endoscope system |
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Citations (7)
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| WO2012169433A1 (en) * | 2011-06-08 | 2012-12-13 | オリンパス株式会社 | Clouding prevention system for endoscope |
| US20150282699A1 (en) * | 2009-07-23 | 2015-10-08 | Wei-Hsun WANG | Endoscope defogging and pre-heating device |
| CN205031213U (en) * | 2015-09-30 | 2016-02-17 | 四川大学华西第二医院 | A antifog device for endoscope camera lens |
| US20160135673A1 (en) * | 2014-05-06 | 2016-05-19 | Buffalo Filter Llc | Laparascope and Endoscope Cleaning and Defogging Device |
| CN209611078U (en) * | 2019-01-21 | 2019-11-12 | 石家庄立明电子科技有限公司 | A kind of endoscope demister |
| CN211093920U (en) * | 2019-11-15 | 2020-07-28 | 广州德脉医疗器械有限公司 | Endoscope defogging device |
| CN111904365A (en) * | 2020-08-03 | 2020-11-10 | 安徽中科本元信息科技有限公司 | Non-contact rapid anti-fog device for medical endoscope and use method |
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2020
- 2020-11-24 CN CN202011342130.5A patent/CN112515617A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150282699A1 (en) * | 2009-07-23 | 2015-10-08 | Wei-Hsun WANG | Endoscope defogging and pre-heating device |
| WO2012169433A1 (en) * | 2011-06-08 | 2012-12-13 | オリンパス株式会社 | Clouding prevention system for endoscope |
| US20160135673A1 (en) * | 2014-05-06 | 2016-05-19 | Buffalo Filter Llc | Laparascope and Endoscope Cleaning and Defogging Device |
| CN205031213U (en) * | 2015-09-30 | 2016-02-17 | 四川大学华西第二医院 | A antifog device for endoscope camera lens |
| CN209611078U (en) * | 2019-01-21 | 2019-11-12 | 石家庄立明电子科技有限公司 | A kind of endoscope demister |
| CN211093920U (en) * | 2019-11-15 | 2020-07-28 | 广州德脉医疗器械有限公司 | Endoscope defogging device |
| CN111904365A (en) * | 2020-08-03 | 2020-11-10 | 安徽中科本元信息科技有限公司 | Non-contact rapid anti-fog device for medical endoscope and use method |
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Application publication date: 20210319 |