CN108209849B - Head end piece of superfine endoscope - Google Patents
Head end piece of superfine endoscope Download PDFInfo
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- CN108209849B CN108209849B CN201810262272.7A CN201810262272A CN108209849B CN 108209849 B CN108209849 B CN 108209849B CN 201810262272 A CN201810262272 A CN 201810262272A CN 108209849 B CN108209849 B CN 108209849B
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- 239000013307 optical fiber Substances 0.000 claims abstract description 44
- 238000005286 illumination Methods 0.000 claims abstract description 36
- 238000003384 imaging method Methods 0.000 claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 26
- 230000010412 perfusion Effects 0.000 claims abstract description 18
- 239000000523 sample Substances 0.000 claims description 105
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 6
- 239000010453 quartz Substances 0.000 abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004140 cleaning Methods 0.000 abstract description 8
- 238000013532 laser treatment Methods 0.000 abstract description 7
- 238000001816 cooling Methods 0.000 abstract description 6
- 239000003344 environmental pollutant Substances 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 6
- 231100000719 pollutant Toxicity 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 241001391944 Commicarpus scandens Species 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- -1 guide wires Substances 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000010963 304 stainless steel Substances 0.000 description 2
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 2
- 210000000481 breast Anatomy 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 210000003079 salivary gland Anatomy 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- A61B1/06—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 illuminating arrangements
- A61B1/07—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 illuminating arrangements using light-conductive means, e.g. optical fibres
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
-
- 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
- A61B1/00112—Connection or coupling means
-
- 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
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
-
- 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
- A61B1/012—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 characterised by internal passages or accessories therefor
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
The invention belongs to the technical field of endoscopes, and particularly relates to a head end piece of an ultrafine endoscope, wherein the root of the head end piece is not easy to break, the service life of the head end piece is greatly prolonged, and the risk of increasing the breakage of an illumination optical fiber and the breakage of a quartz image fiber in the use process of the ultrafine endoscope can be effectively prevented; meanwhile, the hand-held part is portable, so that the imaging pipeline, the working channel and the perfusion/suction channel can be conveniently placed; in addition, the self-cooling and self-cleaning functions are realized during laser treatment, the clear visual field is ensured, liquid and pollutants are effectively prevented from entering the inner cavity of the handheld part, and the pollution of the illumination optical fiber and the quartz image fiber is protected.
Description
Technical Field
The invention belongs to the technical field of endoscopes, and particularly relates to a head and end piece of an ultrafine endoscope.
Background
An endoscope is a diagnostic and therapeutic instrument that integrates traditional optics, ergonomics, precision machinery, modern electronics, mathematics, and software. The endoscope can be used for seeing lesions which cannot be displayed by X rays, so that the endoscope has wide application prospect in the medical field. At present, the superfine endoscope technology is in a leading stage in developed countries such as Germany, the United states, japan and the like, is also in a general popularization and application stage clinically, and is started in China, and the national emphasis is set on the development plan: the technical improvement of basic materials and the declaration guide of the industrial key special project 2016 have been put into the development direction of the ultra-fine endoscope, which has become one of the research hotspots and key points.
Semi-rigid ultra-fine endoscopes have two structures: one is a modularized structure, which consists of an ultrafine endoscope and a plurality of sheath pipes; one is a patterned structure, namely, an ultra-fine endoscope is integrated with a sheath; the structural aspects of the compound are as follows:
table 1 comparison of two structural types of semi-rigid ultra-fine endoscopes
The advanced aspects of the two structures of the semi-rigid superfine endoscope have no high or low grade, the conventional common semi-rigid superfine endoscope with the modeling structure comprises an ophthalmic endoscope, a salivary gland endoscope, a breast tube endoscope and the like, and the geometric parameters of the appearance are shown in the table 2:
TABLE 2 geometric parameters of the appearance of an ophthalmic endoscope, salivary gland endoscope, and a breast tube scope
* The working channel with the diameter of 0.4mm can be used for placing laser optical fibers, guide wires, stone taking baskets and the like; the working channel with the diameter of 0.6mm can be used for placing laser optical fibers, guide wires, stone taking baskets, dilators, cleaning brushes and the like; the working channel with the diameter of 0.8mm can be used for placing laser optical fibers, guide wires, stone taking baskets, dilators, cleaning brushes, biological forceps, balloon catheters and the like.
The head end piece of the semi-rigid superfine endoscope has the functions of arranging an objective lens, an optical fiber, a clamp pipe and the like, is an important component part of the superfine endoscope, but the technical problems that the probe outer tube of the head end piece is easy to form a pit and the root of the probe is easy to break after multiple uses are commonly existed in the clinical application at present; (2) After multiple uses, the number of broken illumination fibers is continuously increased; (3) Heat, gas, waste and the like are generated during laser treatment, the heat cannot be dissipated, the visual field is blurred and the like, and the laser fiber needs to be repeatedly taken out for a plurality of times during one treatment; (4) The pouring/sucking channel is used for pouring distilled water, sucking water, mucus of human body and the like under the pressure state, and the hand-held part of the head end piece is destructively detached after being used for many times, so that the inner cavity of the hand-held part is found to have liquid and pollutants, and the illumination optical fiber and the quartz image fiber are seriously damaged; (5) The hand-held portion of the head-end piece is not highly efficient and is mainly unsuitable in terms of bulk and weight.
Disclosure of Invention
Aiming at the technical problems, the invention provides the head end piece of the superfine endoscope, which is not only not easy to break at the root part and greatly prolongs the service life, but also can effectively prevent the risk of increasing the breakage of the illumination optical fiber and the quartz image fiber by pulling in the using process of the superfine endoscope; meanwhile, the hand-held part is portable, so that the imaging pipeline, the working channel and the perfusion/suction channel can be conveniently placed; in addition, the self-cooling and self-cleaning functions are realized during laser treatment, the clear visual field is ensured, liquid and pollutants are effectively prevented from entering the inner cavity of the handheld part, and the pollution of the illumination optical fiber and the quartz image fiber is protected.
The technical scheme of the invention is as follows:
an ultra-fine endoscope lens end piece comprising a probe, a handpiece, an imaging conduit, a working channel, a perfusion/aspiration channel, and an illumination fiber, characterized in that: also comprises a probe root piece, a connecting pipe fitting and an optical fiber protecting piece,
the probe comprises a hollow probe outer tube;
the probe root piece is a mongolian-shaped plastic sleeve with a through hole in the center, the proximal end of the probe penetrates through the through hole of the probe root piece and is tightly adhered to the inner wall of the probe root piece, and the probe root piece can enable the proximal end of the probe to be difficult to break, so that the toughness of the probe is enhanced, and the service life of the probe is prolonged;
the connecting pipe fitting is an integrally formed annular member, the outer wall of the proximal end of the connecting pipe fitting is provided with an annular yielding groove connected with the handheld part, and the inner wall of the proximal end of the connecting pipe fitting is provided with an annular yielding groove connected with the optical fiber protection part;
the hand-held part is a hollow pipe welded/glued as a whole or integrally formed, is in the shape of an airplane, forms an included angle of 90 degrees with the upper wing pipeline and the lower wing pipeline, forms an included angle of 45 degrees with the machine body pipeline, and is provided with a pipeline quick connector at the proximal end, so that the hand-held part is light and convenient to use and is convenient for placing an imaging pipeline, a working channel and a pouring/sucking channel;
the optical fiber protection piece is a binding rope tied at the proximal end of the probe root piece or a plastic tube sleeved at the proximal end of the probe root piece, so that the illumination optical fiber and the imaging pipeline are in flexible contact with the probe outer tube, and the risk of increasing the broken wire of the illumination optical fiber and the broken risk of the imaging pipeline in the use process of the superfine endoscope is prevented;
the imaging pipeline, the working channel, the perfusion/suction channel and the illumination optical fiber penetrate through the handheld part respectively and are collected in the outer probe tube of the probe, and are tightly adhered to the inner wall of the outer probe tube, so that the outer probe tube can be effectively prevented from forming pits.
Further, the imaging tube and illumination fiber pass through the upper wing tube of the handpiece into the probe outer tube of the probe; the pouring/sucking channel is connected with the lower wing pipeline through a pouring/sucking channel quick connector, the pouring/sucking channel quick connector is a luer connector with a capillary steel pipe at the center, and the head end of the pouring/sucking channel penetrates through the capillary steel pipe and enters the probe outer tube of the probe, so that liquid and pollutants can be effectively prevented from entering the inner cavity of the handheld part, and the pollution of the illumination optical fiber and the quartz image fiber is protected; the working channel passes through a body pipeline of the handheld part and enters a probe outer tube of the probe; the distal ends of the illumination fibers are distributed at the gaps of the imaging pipeline, the working channel, the pouring/sucking channel and the outer tube of the probe, and the imaging pipeline, the working channel, the pouring/sucking channel, the illumination fibers and the inner wall of the outer tube of the probe are tightly adhered, so that the outer tube of the probe can be effectively prevented from forming pits.
Further, the length of imaging pipeline, working channel, pouring/sucking channel and illumination optic fibre close connection is longer than the length of probe outer tube inner wall, imaging pipeline, working channel, pouring/sucking channel and illumination optic fibre close bonding at least by 1mm, the pit formation of probe outer tube not only can effectively be prevented to the structure of close bonding, can make the probe root be difficult for breaking moreover, strengthens the toughness of probe, prolongs its life.
Further, the pipeline quick connector of the handheld part is a luer connector with two channels or a quick connector with two channels and adopting a luer connector connecting mode to be coupled with a Y-shaped pipe fitting, one channel is used for injecting distilled water, the other channel is used for enabling laser optical fibers to pass through, self-cooling and self-cleaning can be achieved during laser treatment, heat is effectively reduced, and meanwhile clear vision is ensured.
The superfine endoscope head part has the following advantages due to the structure: (1) The outer tube of the probe is not easy to form pits, the root of the probe is not easy to break, the toughness of the probe is enhanced, and the service life of the probe is prolonged; (2) The risk of increasing the broken filaments of the illumination optical fiber and the broken quartz image fiber in the use process of the superfine endoscope is effectively prevented; (3) The hand-held part is portable, so that the placement of an imaging pipeline, a working channel and a perfusion/suction channel is facilitated; (4) The laser treatment has self-cooling and self-cleaning functions, effectively reduces heat, and ensures clear vision; (5) Effectively prevent liquid and pollutant from entering the inner cavity of the hand-held part, and protect the illumination optical fiber and the quartz image fiber from being polluted.
Drawings
FIG. 1 is a schematic view showing the structure of a superfine endoscope lens tip according to embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view A-A' of FIG. 1;
FIG. 3 is a distal axial view of FIG. 1;
FIG. 4 is a sectional view showing the structure of a head-end member connecting tube of the ultra-fine endoscope of the present invention;
FIG. 5 is a schematic view of the structure of a handpiece of an ultra-fine endoscope head end member of the present invention;
FIG. 6 is a schematic view of the connection structure of the perfusion/suction channel quick connector of the head end piece of the ultra-fine endoscope and the perfusion/suction channel according to the present invention;
FIG. 7 is a schematic view showing the structure of a head end member of an ultra-fine endoscope of embodiment 2 of the present invention;
FIG. 8 is a cross-sectional view of a hand-held portion of a head end piece of an ultra-fine endoscope in accordance with embodiment 2 of the present invention;
wherein, 1-probe, 11-probe outer tube;
2-probe root;
3-connecting pipe fittings, 31-yielding grooves and 32-yielding grooves;
4-handhold part, 41-upper wing pipeline, 42-lower wing pipeline, 43-fuselage pipeline and 44-pipeline quick connector;
5-an optical fiber protector; 6-imaging tubing; 7-working channel;
8-pouring/sucking channel, 81-pouring/sucking channel quick connector, 82-capillary steel tube;
9-illuminating optical fibers; 10-Y type pipe fitting.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail below with reference to the attached drawings.
Referring to fig. 1-6, the superfine endoscope head end member is shown to comprise a probe 1, a hand-held part 4, an imaging pipeline 6, a working channel 7, an irrigation/aspiration channel 8 and an illumination optical fiber 9, and further comprises a probe root member 2, a connecting pipe fitting 3 and an optical fiber protection member 5, wherein the probe 1 comprises a hollow probe outer tube 11; the probe root part 2 is a Mongolian-shaped plastic sleeve with a through hole in the center, the proximal end of the probe 1 passes through the through hole of the probe root part 2 and is tightly adhered to the inner wall of the probe root part 2, and the probe root part 2 can enable the proximal end of the probe 1 not to be broken easily, so that the toughness of the probe is enhanced, and the service life of the probe is prolonged; the connecting pipe fitting 3 is an integrally formed annular member, the outer wall of the proximal end of the connecting pipe fitting is provided with an annular yielding groove 31 connected with the handheld part 4, the inner wall of the proximal end of the connecting pipe fitting is provided with an annular yielding groove 32 connected with the optical fiber protection part 10, the probe 1 and the probe root part 2 are tightly adhered with the handheld part 4 through the yielding groove 31, and the probe 1 and the probe root part 2 are tightly connected with the optical fiber protection part 5 through the yielding groove 32; the hand-held part 4 is a hollow pipe welded/glued as a whole or formed integrally, and is in an airplane shape, an included angle of 90 degrees is formed between the upper wing pipeline 41 and the lower wing pipeline 42, and an included angle of 45 degrees is formed between the upper wing pipeline 41 and the machine body pipeline 43, and a pipeline quick connector 44 is arranged at the proximal end of the machine body pipeline 43, so that the hand-held part is light and convenient to use, and is convenient for placing the imaging pipeline 6, the working channel 7 and the pouring/sucking channel 8; the optical fiber protection piece 5 is a binding rope tied at the proximal end of the probe root piece 2 or a plastic tube sleeved at the proximal end of the probe root piece 2, so that the illumination optical fiber 9 and the imaging pipeline 6 can be in flexible contact with the probe outer tube 11, and the risk of the breakage of the illumination optical fiber 9 and the breakage of the imaging pipeline 6 in the use process of the superfine endoscope is prevented from being increased by pulling; the imaging tube 6 and the illumination fiber 9 pass through the upper wing tube 41 of the handpiece 4 into the probe outer tube 11 of the probe 1; the pouring/sucking channel 8 is connected with the lower wing pipeline 42 through a pouring/sucking channel quick connector 81, the pouring/sucking channel quick connector 81 is a luer connector with a capillary steel pipe 82 in the center, and the head end of the pouring/sucking channel 8 passes through the capillary steel pipe 82 and enters the probe outer pipe 11 of the probe 1, so that liquid and pollutants can be effectively prevented from entering the inner cavity of the handheld part, and the pollution of an illumination optical fiber and a quartz image fiber is protected; the working channel 7 passes through the body duct 43 of the handpiece 4 into the probe outer tube 11 of the probe 1; the distal ends of the illumination fibers 9 are distributed at the gaps of the imaging pipeline 6, the working channel 7, the perfusion/suction channel 8 and the probe outer tube 11, and the imaging pipeline 6, the working channel 7, the perfusion/suction channel 8, the illumination fibers 9 and the inner wall of the probe outer tube 11 are tightly adhered, so that the probe outer tube can be effectively prevented from forming pits.
Specifically, the probe 1 has an outer diameter of 1.1mm and a working length of 50mm.
Referring to fig. 2-4, the length of the tight connection of the imaging pipeline 6, the working channel 7, the perfusion/suction channel 8 and the illumination optical fiber 9 is at least 1mm longer than the length of the tight connection of the inner wall of the outer tube 11 of the probe, the imaging pipeline 6, the working channel 7, the perfusion/suction channel 8 and the illumination optical fiber 9, and the tight connection structure not only can effectively prevent the pit of the outer tube of the probe from being formed, but also can enable the root of the probe to be difficult to break, enhance the toughness of the probe and prolong the service life of the probe.
Referring to fig. 5, the quick connector 44 of the tube of the hand-held part 4 is a luer connector with two channels, one channel is used for injecting distilled water, and the other channel is used for passing through a laser fiber, so that the self-cooling and self-cleaning can be realized during laser treatment, heat can be effectively reduced, and meanwhile, the clear view is ensured.
Specifically, the optical fiber protector 5 is a binding rope or a Φ1×2.5 silicone rubber heat shrink tube.
Specifically, the imaging tube 6 is composed of an objective lens, a quartz image fiber and an erecting eyepiece; the diameter of the illumination optical fiber 9 is 30 micrometers, and more than 180 optical fibers are mixed and bonded together at the gaps among the inner cavity of the outer tube 11 of the probe, the imaging pipeline 6, the working channel 7 and the perfusion/suction channel 8 through the adhesive; working channel 7 working diameter 0.4mm, irrigation/aspiration channel 8 working diameter 0.2mm, all made of corresponding stainless steel capillary; EPO-TEK353 epoxy resin glue is adopted in a 6mm length area of the distal end of the probe 1, and the subsequent 50mm length area is coated with south large 704 silicon rubber, wherein the total glue coating length is about 56mm; the probe root 2 is made of medical black ABS, and the probe 1, the probe root 2, the connecting pipe fitting 3 and the hand-held part 4 are mutually bonded by epoxy resin glue E51; the optical fiber protector 5 is fastened by a binding rope in the connection area of the probe root 2, the probe outer tube 1, the illumination optical fiber and the quartz image fiber.
Specifically, the hand-held part 4 is formed by welding two medical 304 stainless steel pipes with the outer diameter of 6 mm/inner diameter of 5mm on the wall of the medical 304 stainless steel pipe with the outer diameter of 9 mm/inner diameter of 8mm, and the inner cavity is large and portable.
Specifically, capillary tube 82 is cut from a stainless steel capillary tube having an outer diameter of 0.5 mm.
Example 2
In this embodiment, a structural change is made to the quick connector 7 of the working channel in embodiment 1, see fig. 7-8, the quick connector 44 of the pipe of the hand-hold portion 4 is provided with two channels, and the two channels are coupled to the Y-shaped pipe 10 by a luer connector connection mode, so that the same implementation effect can be achieved, one channel is used for injecting distilled water, and the other channel is used for passing through a laser fiber, so that self-cooling and self-cleaning can be performed during laser treatment, heat can be effectively reduced, and meanwhile, clear vision is ensured.
Specifically, the Y-shaped pipe fitting 10 is prepared by ABS injection molding.
The foregoing description of the embodiments provides further details of the present invention with reference to the accompanying drawings, wherein like reference numerals refer to like elements throughout, and wherein like reference numerals refer to like elements throughout.
Claims (2)
1. An ultrafine endoscope head end part comprises a probe (1), a handheld part (4), an imaging pipeline (6), a working channel (7), a perfusion/suction channel (8) and an illumination optical fiber (9), and is characterized in that: the probe also comprises a probe root (2), a connecting pipe fitting (3) and an optical fiber protection piece (5), wherein the probe (1) comprises a hollow probe outer pipe (11); the probe root (2) is a Mongolian-shaped plastic sleeve with a through hole in the center, and the proximal end of the probe (1) penetrates through the through hole of the probe root (2) and is tightly adhered to the inner wall of the probe root (2); the connecting pipe fitting (3) is an integrally formed annular member, the outer wall of the proximal end of the connecting pipe fitting is provided with an annular yielding groove (31) connected with the handheld part (4), and the inner wall of the proximal end of the connecting pipe fitting is provided with an annular yielding groove (32) connected with the optical fiber protection piece (10); the handheld part (4) is a hollow pipe welded/glued as a whole or formed integrally, is in the shape of an airplane, forms an included angle of 90 degrees between the upper wing pipeline (41) and the lower wing pipeline (42), forms an included angle of 45 degrees with the fuselage pipeline (43), and is provided with a pipeline quick connector (44) at the proximal end of the fuselage pipeline (43); the optical fiber protection piece (5) is a binding rope tied at the proximal end of the probe root piece (2) or a plastic tube sleeved at the proximal end of the probe root piece (2); the imaging pipeline (6), the working channel (7), the perfusion/suction channel (8) and the illumination optical fiber (9) respectively penetrate through the handheld part (4) to be gathered in the outer probe tube (11) of the probe (1) and are tightly adhered with the inner wall of the outer probe tube (11);
the imaging pipeline (6) and the illumination optical fiber (9) penetrate through an upper wing pipeline (41) of the handheld part (4) and enter a probe outer tube (11) of the probe (1); the pouring/sucking channel (8) is connected with the lower wing pipeline (42) through a pouring/sucking channel quick connector (81), the pouring/sucking channel quick connector (81) is a luer connector with a capillary steel pipe (82) at the center, and the head end of the pouring/sucking channel (8) passes through the capillary steel pipe (82) and enters the probe outer pipe (11) of the probe (1); the working channel (7) passes through a body pipeline (43) of the hand-held part (4) and enters a probe outer tube (11) of the probe (1); the distal ends of the illumination fibers (9) are distributed at the gaps of the imaging pipeline (6), the working channel (7), the perfusion/suction channel (8) and the probe outer tube (11), and the imaging pipeline (6), the working channel (7), the perfusion/suction channel (8), the illumination fibers (9) and the inner wall of the probe outer tube (11) are tightly adhered;
the length of the tight connection of the imaging pipeline (6), the working channel (7), the perfusion/suction channel (8) and the illumination optical fiber (9) is at least 1mm longer than the length of the tight connection of the inner wall of the outer tube (11) of the probe, the imaging pipeline (6), the working channel (7), the perfusion/suction channel (8) and the illumination optical fiber (9).
2. The ultra-fine endoscope lens tip of claim 1, wherein: the quick connector (44) of the pipeline of the hand-held part (4) is a luer connector with two channels or a quick connector with two channels and adopting a luer connector connection mode to couple with the Y-shaped pipe fitting (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262272.7A CN108209849B (en) | 2018-03-28 | 2018-03-28 | Head end piece of superfine endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810262272.7A CN108209849B (en) | 2018-03-28 | 2018-03-28 | Head end piece of superfine endoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108209849A CN108209849A (en) | 2018-06-29 |
| CN108209849B true CN108209849B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810262272.7A Active CN108209849B (en) | 2018-03-28 | 2018-03-28 | Head end piece of superfine endoscope |
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| CN (1) | CN108209849B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109528147B (en) * | 2019-01-14 | 2023-11-21 | 爱尔博微视(上海)医疗科技有限公司 | Rod-shaped photoelectric plug and photoelectric connecting seat for superfine electronic endoscope system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121962A (en) * | 1998-10-16 | 2000-04-28 | Olympus Optical Co Ltd | Endoscope |
| CN103932656A (en) * | 2014-04-28 | 2014-07-23 | 乔晋琳 | Endoscope component and medical equipment |
| CN205867274U (en) * | 2016-06-20 | 2017-01-11 | 首都医科大学附属北京朝阳医院 | Visual ureter passageway sheath |
| CN106725261A (en) * | 2017-01-13 | 2017-05-31 | 苏新军 | Treatment mirror is peeped in a kind of fixed optical fiber |
| CN208784687U (en) * | 2018-03-28 | 2019-04-26 | 泰州市桥梓光电科技有限公司 | A kind of head end part of superfine endoscope |
-
2018
- 2018-03-28 CN CN201810262272.7A patent/CN108209849B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121962A (en) * | 1998-10-16 | 2000-04-28 | Olympus Optical Co Ltd | Endoscope |
| CN103932656A (en) * | 2014-04-28 | 2014-07-23 | 乔晋琳 | Endoscope component and medical equipment |
| CN205867274U (en) * | 2016-06-20 | 2017-01-11 | 首都医科大学附属北京朝阳医院 | Visual ureter passageway sheath |
| CN106725261A (en) * | 2017-01-13 | 2017-05-31 | 苏新军 | Treatment mirror is peeped in a kind of fixed optical fiber |
| CN208784687U (en) * | 2018-03-28 | 2019-04-26 | 泰州市桥梓光电科技有限公司 | A kind of head end part of superfine endoscope |
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| CN108209849A (en) | 2018-06-29 |
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