CN210494019U - Endoscope with a detachable handle - Google Patents

Endoscope with a detachable handle Download PDF

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Publication number
CN210494019U
CN210494019U CN201920785737.7U CN201920785737U CN210494019U CN 210494019 U CN210494019 U CN 210494019U CN 201920785737 U CN201920785737 U CN 201920785737U CN 210494019 U CN210494019 U CN 210494019U
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optical fiber
endoscope
heating
channel
fiber bundle
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CN201920785737.7U
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蒋艳荣
刘洲
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Shenzhen Mindray Bio Medical Electronics Co Ltd
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Shenzhen Mindray Bio Medical Electronics Co Ltd
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Abstract

The utility model discloses an endoscope, which comprises an optical component and a base component, wherein the base component comprises an inner tube, an outer tube and a front window, a channel for the optical component to pass through is formed in the middle of the inner tube, and an optical fiber channel for an optical fiber bundle to pass through is formed between the inner tube and the outer tube; the optical fiber bundle comprises an illumination optical fiber bundle and a heating optical fiber bundle, and the heating optical fiber bundle is provided with a light source output end for outputting light energy; the optical fiber channel is divided into an illumination optical fiber channel for the illumination optical fiber bundle to pass through and a heating optical fiber channel for the heating optical fiber bundle to pass through, and the front end of the illumination optical fiber channel is a light transmission structure of the front window of the endoscope; the endoscope also comprises an optical fiber wire fixing sleeve sleeved outside the heating optical fiber bundle and a photo-thermal conversion component for conducting heat to a front window of the endoscope; the optical fiber filament fixing sleeve is arranged in the heating optical fiber channel; the photothermal conversion component is shielded on a light path output by the light source output end. The endoscope provided by the utility model improves the anti-fogging effect and is convenient for cleaning and disinfection.

Description

Endoscope with a detachable handle
Technical Field
The utility model relates to the technical field of medical equipment, in particular to an endoscope.
Background
During minimally invasive surgery, an endoscope needs to be inserted into a human cavity to be observed, the temperature in a human body is generally higher than the external environment temperature, meanwhile, because the humidity in the human body is higher, when the endoscope enters the human body, the surface of a front end view window can be immediately fogged, image observation and operation are influenced, a doctor can enter hot water at the front end of the endoscope to improve the temperature of the observation front window before general surgery for avoiding fogging, but the effect cannot be lasting, the operation process needs to frequently enter and exit the human cavity, and patient infection is easily caused. How to improve the anti-fogging effect and facilitate cleaning and disinfection is a problem to be solved urgently by the technical personnel.
SUMMERY OF THE UTILITY MODEL
The utility model provides an endoscope to improve the anti-fogging effect and facilitate cleaning and disinfection.
The utility model provides a following technical scheme:
an endoscope comprises an optical assembly and a base assembly, wherein the base assembly comprises an inner tube, an outer tube and a front window, a channel for the optical assembly to pass through is formed in the middle of the inner tube, and a fiber channel for a fiber bundle to pass through is formed between the inner tube and the outer tube; the optical fiber bundle comprises an illumination optical fiber bundle and a heating optical fiber bundle, and the heating optical fiber bundle is provided with a light source output end for outputting light energy; the optical fiber channel is divided into an illumination optical fiber channel for the illumination optical fiber bundle to pass through and a heating optical fiber channel for the heating optical fiber bundle to pass through, and the front end of the illumination optical fiber channel is a light transmission structure of the front window of the endoscope; the optical fiber fixing sleeve is sleeved outside the heating optical fiber bundle, and the photothermal conversion component is used for conducting heat to a front window of an endoscope; the optical fiber filament fixing sleeve is arranged in the heating optical fiber channel; the photo-thermal conversion component is shielded on a light path output by the light source output end.
According to the above technical scheme, the utility model provides an endoscope, optical fiber bundle are including illumination optical fiber bundle and heating optical fiber bundle, and the light path of illumination optical fiber bundle transmission throws light on through the non-light tight structure of illumination fibre channel front end, and the light path of the light source output of heating optical fiber bundle shines and turns into heat energy on light and heat conversion part, through the front window of heat conduction to endoscope, plays the effect of preventing fogging through heating the front window. Due to the arrangement of the optical fiber fixing sleeve, the heating optical fiber bundle is convenient to install and fix, the heating optical fiber bundle is ensured to be positioned in the heating optical fiber channel, the photo-thermal conversion efficiency is effectively improved, and the anti-fogging effect is further improved. And the photothermal conversion part conducts heat to the front window of the endoscope in the endoscope, so that external parts or design is not needed, and the endoscope is convenient to clean and disinfect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an endoscope provided in an embodiment of the present invention;
FIG. 2 is a front cross-sectional view of an endoscope according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a heating optical fiber bundle and an optical fiber fixing sleeve according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a photothermal conversion element according to an embodiment of the present invention.
Detailed Description
The utility model discloses an endoscope to improve the anti-fogging effect and facilitate cleaning and disinfection.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The conventional anti-fogging solutions mainly comprise a film coating method and a heating method. The film coating method is to coat a hydrophilic film or a hydrophobic film on the surface of a transparent front-end viewing window to prevent water drops and mist from condensing on the surface, but the film has poor wear resistance and disinfectant resistance, and after the film is used for a period of time, the coating is easy to peel off and separate, so that the problem of preventing fogging cannot be fundamentally solved. The heating method is divided into an external heating device or endoscope self-heating. In external heating device's the anti-fogging structure, generally need additionally to make a heating device, insert external heating device with the front end of endoscope head portion before the operation and preheat, the limitation of this kind of scheme is that the effect can not be lasting, has the problem of cleaning, disinfection and sterilization moreover, cross infection very easily. In the anti-fogging structure of the endoscope self-heating, the current general practice is to heat by an electric mode, such as heating of a resistance wire or an electronic component, and the electric heating mode is realized by electricity, so that the safety problem exists, and the electronic component is limited in the selection of a sterilization mode, cannot bear long-term high-temperature high-pressure sterilization, and also influences the cleaning and disinfection effect.
Referring to fig. 1, 2 and 3, an endoscope is provided in an embodiment of the present invention, which includes an optical assembly and a base assembly, the base assembly includes an inner tube, an outer tube and a front window 3, a channel for passing the optical assembly is formed in the middle of the inner tube, and an optical fiber channel for passing an optical fiber bundle is formed between the inner tube and the outer tube; the optical fiber bundle comprises an illumination optical fiber bundle 21 and a heating optical fiber bundle 22, and the heating optical fiber bundle 22 is provided with a light source output end for outputting light energy; the optical fiber channel is divided into an illumination optical fiber channel for the illumination optical fiber bundle 21 to pass through and a heating optical fiber channel for the heating optical fiber bundle 22 to pass through, and the front end of the illumination optical fiber channel is a light-transmitting structure of the front window 3; the endoscope also comprises a fiber filament fixing sleeve 5 sleeved outside the heating fiber bundle 22 and a photo-thermal conversion part 4 used for conducting heat to the front window 3 of the endoscope; the optical fiber filament fixing sleeve 5 is arranged in the heating optical fiber channel; the photothermal conversion member 4 is shielded on the light path output from the light source output end.
The embodiment of the utility model provides an endoscope, optical fiber bundle are including illumination optical fiber bundle 21 and heating optical fiber bundle 22, and the light path of illumination optical fiber bundle 21 transmission throws light on through the euphotic structure of illumination fibre channel front end, and the light path of the light source output of heating optical fiber bundle 22 shines and turns into heat energy on light and heat conversion part 4, through heat conduction to endoscope's front window 3, plays the effect of preventing fogging through heating front window 3. Due to the arrangement of the optical fiber filament fixing sleeve 5, the installation and the fixation of the heating optical fiber bundle 22 are facilitated, and the heating optical fiber bundle 22 is ensured to be positioned in the heating optical fiber channel. Have the effect of sheltering from through light and heat conversion part 4, consequently, light and heat conversion part 4 is the lighttight part to light and heat conversion part 4 is arranged in heating fiber channel, has effectively improved light and heat conversion efficiency, and then has improved the effect of anti-fogging. In addition, the front end of the endoscope (the end where the front window 3 is located) is of an integrally closed structure, and the front end of the illumination optical fiber channel is of a light-transmitting structure, so that the cleaning and disinfection operation of the front end of the endoscope is facilitated.
A fiber filament retaining sleeve 5 is removably mounted in the heated fiber passage. Through the dismouting operation of fiber optic thread adapter sleeve 5 for heating the fiber channel to according to selecting different fiber optic thread adapter sleeve 5, so that the installation rather than the fiber optic thread quantity that corresponds, and then realize adjusting the effect of heating fiber bundle 22 fiber optic thread quantity. It will be appreciated that the number of optical filaments in the heating fiber bundle 22 passing through the inner bore of the fiber filament retaining sleeve 5 is constant, provided that the cross-section of the individual optical fibers is constant and the cross-section of the inner bore of the fiber filament retaining sleeve 5 is constant. Thus, the number of optical fibers of the heating optical fiber bundle 22 can be precisely controlled by controlling the sectional area and shape of the inner hole of the optical fiber fixing sleeve 5. By adjusting the number of the optical fibers of the heating optical fiber bundle 22, the total amount of the optical energy transmitted by the heating optical fiber bundle 22 can be controlled, and then the total amount of the heat energy converted by the optical energy can be adjusted, so as to control the heating temperature of the front window 3. Through the arrangement, different types of fiber filament fixing sleeves 5 can be selected conveniently, heating fiber bundles 22 with different fiber filament quantities can be fixed, and then the heating fiber bundles are installed in the heating fiber channel. The optical fiber fixing sleeve 5 is detachably arranged in the heating optical fiber channel, so that the number of the optical fibers of the heating optical fiber bundle 22 in the heating optical fiber channel can be conveniently adjusted, and the heating temperature of the heating optical fiber bundle 22 to the front window 3 can be conveniently controlled. Both can avoid the heating temperature of front window 3 too low to reach the antifogging effect, can avoid the too high condition that causes the patient to scald of heating temperature of front window 3 again, effectively avoided the potential safety hazard in the operation process.
It can be understood that the sectional area and shape of the internal bore of the fiber retaining sleeve 5 can be adjusted according to the actual sectional area of the fiber and other parameters of the endoscope, so as to adapt to different requirements. That is, the inner cross-section of the fiber-filament fixing sleeve 5 is matched to the number of the fiber filaments of the heating fiber bundle 22 actually required. The shape and cross-sectional area of the inner cross-section of the fiber-holding sleeve 5 may determine the specific number of fibers in the heating fiber bundle 22, so as to achieve an operation in which the heating temperature of the heating fiber bundle 22 can be adjusted. Further, since the fiber fixing sleeve 5 needs to control the number of the optical fibers of the heating optical fiber bundle 22, the structure of the fiber fixing sleeve 5 is stable.
In order to facilitate the detachable installation of the fiber fixing sleeve 5 in the heating fiber channel and to ensure the fixing effect of the fiber fixing sleeve 5 after being installed in the heating fiber channel, one or more of the following fixing structures may be adopted:
1. the heating optical fiber channel is internally provided with a buckle structure which is matched and fixed with the end surface of the optical fiber filament fixing sleeve 5.
2. The heating optical fiber channel is a conical channel, the small end of the conical channel faces the front end of the endoscope, and the outer surface of the optical fiber filament fixing sleeve 5 is a conical surface matched with the conical channel.
3. One surface of the inner surface of the heating optical fiber channel and the outer surface of the optical fiber filament fixing sleeve 5 is provided with a positioning bulge, and the other surface is provided with a positioning groove matched with the positioning bulge.
Of course, other structures may be provided, and it is only necessary to ensure that the fiber fixing sleeve 5 is installed at a specific position of the heated fiber passage and then the fixing operation is completed.
In order to ensure conversion of light energy into heat energy, the photothermal conversion element 4 has a shielding surface 41 that shields the end surface of the light source output end. The light energy flows out along the light source output end of the heating fiber bundle 22 and is irradiated on the shielding surface 41 of the photothermal conversion element 4, and is converted into heat energy by the irradiation of the light energy, so that the temperature of the photothermal conversion element 4 is increased.
A heat radiation structure may be provided directly at the light source output end of the heating fiber bundle 22 so that the optical fibers radiate heat to the surroundings and irradiate on the photothermal conversion element 4. Alternatively, a member absorbing light energy is provided between the photothermal conversion member 4 and the light source output end, and after the member absorbs light energy and converts it into heat energy, it is transferred to the photothermal conversion member 4 by means of heat conduction or the like.
For further ease of assembly, the shielding face 41 is in locating contact with the end face of the light source output end. That is, in the assembling process, the end face of the light source output end moves in the direction close to the shielding face 41 until the end face of the light source output end is positioned in contact with the shielding face 41, so that the photothermal conversion element 4 and the heating fiber bundle 22 are positioned with each other, and the mutual assembling of the photothermal conversion element 4 and the heating fiber bundle 22 is completed. On the basis of ensuring the structural stability and compactness, the assembly of the endoscope is effectively facilitated.
The photothermal conversion element 4 may be disposed at the light source output end, or another heat conduction element or gap may be provided between the photothermal conversion element 4 and the light source output end.
In this embodiment, the photothermal conversion element 4 is a front end fixing base for fixing the front window 3, and the front end fixing base has a shielding portion for shielding the end portion of the heating fiber channel. Namely, the front end fixing seat is directly used as the photothermal conversion component 4, so that an additional conversion component is avoided, and the structure of the endoscope is prevented from being complicated; in addition, the front window 3 is directly contacted with the front end fixing seat (the photothermal conversion part 4), so that heat conduction to the front window 3 is facilitated.
The fixing manner of the front end fixing seat and the front window 3 can be solder welding, glue bonding or clamping, etc., which are not described in detail herein and are all within the protection scope. The material of the front window 3 may be sapphire or optical glass, and only the requirement of the front window 3 on transparency needs to be met.
The photothermal conversion element 4 may also be provided as an element that is not in direct contact with the front window 3, and the photothermal conversion element 4 may transfer heat to the front window 3 by thermal radiation. Of course, a heat conduction member, such as a heat conduction wire or a front end fixing base, connecting the photothermal conversion member 4 and the front window 3 may be additionally provided so as to conduct heat to the front window 3 by a heat conduction manner.
Furthermore, the front end fixing seat is provided with a connecting part used for being connected with an inner tube of the endoscope, and the front end fixing seat is fixed by connecting the connecting part with the inner tube of the endoscope. Wherein, heating fiber channel is formed by the outer wall of connecting portion, the terminal surface inner wall of front end fixing base and the inner wall of outer tube, and the lateral wall of optic fibre silk fixed sleeving 5 contacts with the outer wall of connecting portion. Through the arrangement, the structural stability and the structural compactness are improved, and the influence on the normal use of the endoscope caused by the shaking of the heating optical fiber bundle 22 is avoided.
The photothermal conversion element 4 may be provided as another element.
In the second embodiment, the photothermal conversion element 4 is a shielding member fixed to the end of the fiber-optic-filament fixing sleeve 5. That is, the optical fiber fixing sleeve 5 is a blind pipe structure, the photothermal conversion component 4 is an end structure of the blind pipe, the heating optical fiber bundle 22 is installed behind the optical fiber fixing sleeve 5, the end of the heating optical fiber bundle 22 contacts with the end structure of the blind pipe or has a gap, the photothermal conversion component 4 can be shielded on the light path output by the light source output end, the light energy is irradiated on the photothermal conversion component 4, and the light energy output by the light source output end is converted into the heat energy.
In the third embodiment, the photothermal conversion element 4 is a shielding member fixed in the heating fiber passage. That is, the photothermal conversion element 4 may be a shielding element disposed in the heating fiber channel instead of being disposed at the end of the heating fiber channel, and the photothermal conversion element 4 may be also shielded on the light path output by the light source output end, thereby facilitating the conversion of the light energy output by the light source output end into heat energy. In order to avoid that the fiber filament holding sleeve 5 is thermally insulated and affects the thermal conduction, the fiber filament holding sleeve 5 is preferably a thermally conductive sleeve. Because the optical fiber fixing sleeve 5 is sleeved on the outer side of the heating optical fiber bundle 22, under the influence of factors such as aging of the optical fiber and the like, part of light energy in the heating optical fiber bundle 22 is transmitted to the optical fiber fixing sleeve 5, and the light energy is converted into heat energy on the optical fiber fixing sleeve 5, so that the temperature of the optical fiber fixing sleeve 5 is increased. By arranging the fiber filament fixing sleeve 5 as a heat conducting sleeve, the heat energy on the fiber filament fixing sleeve 5 is conveniently transferred outwards in a heat radiation or heat conduction mode. In this embodiment, the material of the optical fiber fixing sleeve 5 may be stainless steel, copper, aluminum, ceramic, or other materials, and only the heat conduction effect thereof needs to be ensured. In the embodiment of the contact of the side wall of the optical fiber fixing sleeve 5 and the outer wall of the connecting part, heat energy on the optical fiber fixing sleeve 5 is conveniently transferred to the front end fixing seat (the light-heat conversion part 4) in a heat conduction mode, and the efficiency of converting the light energy into the heat energy is improved.
Further, a fiber optic filament retaining sleeve 5 is located at an end of the heated fiber optic bundle 22 near the output end of the light source. So as to facilitate the penetration of the light source output end of the heating optical fiber bundle 22 into the endoscope, thereby completing the installation of the heating optical fiber bundle 22.
The end face of the light source output end is flush with the end face of the fiber filament fixing sleeve 5 in view of avoiding fiber bifurcation at the light source output end. Meanwhile, the protection of the optical fiber end face of the light source output end is realized in the process of installing the light source output end into the endoscope. Of course, a certain distance may also exist between the end surface of the light source output end and the end surface of the fiber optic fixing sleeve 5, that is, the light source output end of the heating fiber bundle 22 passes through the fiber optic fixing sleeve 5 or the end surface of the light source output end is located in the fiber optic fixing sleeve 5.
The end face of the light source output end is a ground and polished end face so as to improve the light emitting efficiency. In this embodiment, since the end surface of the light source output end is flush with the end surface of the optical fiber fixing sleeve 5, the grinding and polishing operations of the end surface of the light source output end are also facilitated.
The utility model discloses wherein, the endoscope can be medical hard tube mirror, including but not limited to peritoneoscope, hysteroscope, otorhinolaryngoscope, arthroscope and intervertebral disc mirror.
The embodiment of the utility model provides an endoscope, optical fiber bundle 2 divide into two bundles, is the heating optical fiber bundle 22 in illumination optical fiber bundle 21 and the endoscope respectively. Therefore, by using the optical fiber bundle 2 of the endoscope itself, a part of the optical fiber is branched out as the heating optical fiber bundle 22 in the endoscope by the splitting operation, and the complication of the structure of the endoscope is avoided. It is also possible to provide a separate heating fiber bundle 22 and an additional light source to transmit light energy from the input end of the light source (the end of the heating fiber bundle 22 away from the output end of the light source) of the heating fiber bundle 22. It is also possible to additionally provide a separate heating fiber bundle 22 to share one light source with the optical fiber bundle 2 of the endoscope.
The optical fiber bundle 2 may be divided into three or more bundles, wherein at least one bundle is the illumination optical fiber bundle 21, and the remaining bundle is the heating optical fiber bundle 22.
As shown in fig. 2 and 4, the opening for installing the front window 3 is formed in the middle of the front end fixing seat (the photothermal conversion component 4), so that the front end surface of the front end fixing seat forms an annular solid part, the annular solid part is provided with a through hole, so as to be correspondingly installed with the illumination optical fiber bundle 21, and the light energy of the illumination optical fiber bundle 21 can conveniently pass through the front end fixing seat to perform illumination operation. The light source output end of the heating optical fiber bundle 22 corresponds to the part of the annular solid part which is not provided with the through hole, and the surface of the part of the annular solid part which is not provided with the through hole and faces the heating optical fiber bundle 22 is provided with a shielding surface 41, so that the light energy output by the light source output end of the heating optical fiber bundle 22 is effectively shielded, and the light energy is ensured to be converted into heat energy on the front end fixing seat.
The optical fiber bundle 2 enters the inside of the endoscope through the optical fiber filament fixing seat 1 of the base assembly, and the optical fiber bundle 2 located inside the endoscope is located between the outer tube and the inner tube. In this embodiment, the gap formed between the outer tube and the inner tube splits the optical fiber bundle 2 after entering the inside of the endoscope, so that the illumination optical fiber bundle 21 and the heating optical fiber bundle 22 are respectively located at different positions in the gap, which facilitates the structural arrangement.
The optical fiber bundle 2 may be further divided into an illumination optical fiber bundle 21 and a heating optical fiber bundle 22 at the distal end of the endoscope.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (13)

1. An endoscope is characterized by comprising an optical assembly and a base assembly, wherein the base assembly comprises an inner tube, an outer tube and a front window, a channel for the optical assembly to pass through is formed in the middle of the inner tube, and a fiber channel for a fiber bundle to pass through is formed between the inner tube and the outer tube; the optical fiber bundle comprises an illumination optical fiber bundle and a heating optical fiber bundle, and the heating optical fiber bundle is provided with a light source output end for outputting light energy; the optical fiber channel is divided into an illumination optical fiber channel for the illumination optical fiber bundle to pass through and a heating optical fiber channel for the heating optical fiber bundle to pass through, and the front end of the illumination optical fiber channel is a light transmission structure of the front window of the endoscope; the optical fiber fixing sleeve is sleeved outside the heating optical fiber bundle, and the photothermal conversion component is used for conducting heat to a front window of an endoscope; the optical fiber filament fixing sleeve is arranged in the heating optical fiber channel; the photo-thermal conversion component is shielded on a light path output by the light source output end.
2. The endoscope as defined in claim 1, wherein the fiber optic filament retaining sleeve is removably mounted in the heated fiber channel.
3. The endoscope as defined in claim 2, wherein a cross-sectional configuration of said fiber optic filament retaining sleeve matches a number of fiber optic filaments in said heated fiber optic bundle.
4. The endoscope as defined in claim 2, wherein the heating fiber channel has a snap structure therein for engaging and securing with an end surface of the fiber optic filament retaining sleeve;
and/or the heating optical fiber channel is a tapered channel, the small end of the tapered channel faces the front end of the endoscope, and the outer surface of the optical fiber wire fixing sleeve is a tapered surface matched with the tapered channel;
and/or one of the inner surface of the heating optical fiber channel and the outer surface of the optical fiber filament fixing sleeve is provided with a positioning bulge, and the other surface is provided with a positioning groove matched with the positioning bulge.
5. The endoscope of claim 1, wherein the photothermal conversion element has a shielding surface that shields an end surface of the light source output end;
the shielding surface is in positioning contact with the end face of the light source output end.
6. The endoscope of claim 1, wherein the photothermal conversion element is a front end holder for holding the front window, the front end holder having a shielding portion for shielding an end portion of the heating fiber channel.
7. The endoscope of claim 6,
the front end fixing seat is provided with a connecting part used for being connected with an inner tube of the endoscope;
the heating optical fiber channel is formed by the outer wall of the connecting part, the inner wall of the end face of the front end fixing seat and the inner wall of the outer tube;
the side wall of the optical fiber filament fixing sleeve is in contact with the outer wall of the connecting part.
8. The endoscope of claim 1, wherein the photothermal conversion element is a shielding element fixed to an end of the fiber optic filament fixing sleeve;
or the photothermal conversion component is a shielding component fixed in the heating optical fiber channel.
9. The endoscope of claim 1, wherein the fiber optic filament retaining sleeve is a thermally conductive sleeve.
10. The endoscope of claim 1, wherein said fiber optic filament retaining sleeve is located at an end of said heated fiber optic bundle proximate to said light source output end.
11. The endoscope as defined in claim 10, wherein an end surface of said light source output end is flush with an end surface of said fiber optic filament retaining sleeve.
12. The endoscope of claim 1, wherein the end surface of the light source output end is a ground and polished end surface.
13. The endoscope as defined in any one of claims 1-12, wherein said fiber optic bundle is split into said illumination fiber optic bundle and said heating fiber optic bundle after entering between said outer tube and said inner tube from a fiber optic filament mount of said base assembly.
CN201920785737.7U 2019-05-28 2019-05-28 Endoscope with a detachable handle Active CN210494019U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112401817A (en) * 2020-11-05 2021-02-26 苏州法兰克曼医疗器械有限公司 Thoracic endoscope with function of preventing mirror surface from being atomized

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112401817A (en) * 2020-11-05 2021-02-26 苏州法兰克曼医疗器械有限公司 Thoracic endoscope with function of preventing mirror surface from being atomized

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GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Shenzhen Mindray Animal Medical Technology Co.,Ltd.

Assignor: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS Co.,Ltd.

Contract record no.: X2022440020009

Denomination of utility model: endoscope

Granted publication date: 20200512

License type: Common License

Record date: 20220804

EE01 Entry into force of recordation of patent licensing contract