CN110477843A - Guide-lighting hose and endoscopic system - Google Patents
Guide-lighting hose and endoscopic system Download PDFInfo
- Publication number
- CN110477843A CN110477843A CN201910875861.7A CN201910875861A CN110477843A CN 110477843 A CN110477843 A CN 110477843A CN 201910875861 A CN201910875861 A CN 201910875861A CN 110477843 A CN110477843 A CN 110477843A
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- Prior art keywords
- insertion section
- confined planes
- hole
- elasticity
- limiting slot
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- 238000003780 insertion Methods 0.000 claims abstract description 71
- 230000037431 insertion Effects 0.000 claims abstract description 71
- 239000002184 metal Substances 0.000 claims abstract description 69
- 229910052751 metal Inorganic materials 0.000 claims abstract description 69
- 238000007789 sealing Methods 0.000 claims description 15
- 244000144985 peep Species 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 238000011846 endoscopic investigation Methods 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004553 extrusion of metal Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 101150093826 par1 gene Proteins 0.000 description 1
- 238000005476 soldering 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
- A61B1/00163—Optical arrangements
- A61B1/00165—Optical arrangements with light-conductive means, e.g. fibre optics
-
- 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
- A61B1/005—Flexible endoscopes
-
- 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
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The present invention provides a kind of guide-lighting hose and endoscopic systems, belong to endoscopic technique field.It solves the problems, such as that shielding conducting can not be directly realized by after the metal screen layer of existing endoscope leaded light hose and metal adapter are fixed.This leaded light hose; including in a tubular form metal screen layer, be set in the protection glue-line on metal screen layer and metal adapter with axis hole; one end of metal screen layer is the insertion section for being inserted into axis hole; the inner wall of axis hole is equipped with limiting slot; conductive position limiting structure is connected on insertion section, position limiting structure is caught in limiting slot when insertion section is inserted into axis hole and is inserted into.The present invention can realize the quick assembling of metal screen layer Yu metal adapter by the position limiting structure of setting, and conducting and shielding can be realized after assembling.
Description
Technical field
The invention belongs to endoscopic technique field, it is related to a kind of guide-lighting hose and endoscopic system.
Background technique
Fujinon electronic video endoscope be it is a kind of there is elongated flexible insertion section and its front end is provided with photographic device body can be inserted
The intracavitary device for obtaining intracavitary scene image, it with equipment other in endoscopic system by connecting, it can be achieved that intracavitary scene figure
The real-time output of picture is shown.Endoscopic system as shown in Figure 1 includes endoscope I, aqueous vapor bottle II, cold light source host III, image
Processor host IV and image display V.Wherein, endoscope I is by cephalic par 1 ', bending section 2 ', insertion hose 3 ', operation portion
4 ', guide-lighting hose 5 ' and more than 6 ' part of light guide section form.In the prior art, the structure of guide-lighting hose 5 ' is as shown in Fig. 2, include outer
Layer rubber A-1, metal screen layer A-2 and the metal adapter B for being set in the front end metal screen layer A-2, wherein metallic shield
Layer A-2 and metal adapter B, which are that glue is Nian Jie, to be connected, and bonding is golden after the region X of metal screen layer A-2 fills glue when assembly
Belong to adapter B, guarantees to guarantee sealing performance between the two again while bonding is secured.
The anti-interference of system is improved because entire endoscopic system needs to keep all metal shell realize shielding conducting
Therefore performance is required to metal shell electrical conductive communication at all switching positions.But since the mobility of glue makes viscous
Glue can be full of the gap between metal screen layer A-2 and metal adapter B, so that metal screen layer A-2 and metal turn when connecing
Connector B can not achieve conducting and shielding, and the interference free performance of endoscopic system is poor.In metal adapter when common settling mode
Glue is removed at the hole S of B and makes metal adapter B and metal screen layer A-2 realize conducting and shielding with the mode of soldering, but
Such mode assembly technology is complicated, do over again probability height, entire assembly cost are relatively high.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, proposes a kind of quick assembling and can be realized and lead
The logical guide-lighting hose with shielding.
It also proposed a kind of endoscopic system including the leaded light hose.
Object of the invention can be realized by the following technical scheme:
Guide-lighting hose, including in a tubular form metal screen layer, the protection glue-line that is set on metal screen layer and have
The metal adapter of axis hole, one end of the metal screen layer are the insertion section for being inserted into axis hole, which is characterized in that the axis
The inner wall in hole is equipped with limiting slot, is connected with conductive position limiting structure on the insertion section, when axis is inserted into the insertion section
A hole and position limiting structure is caught in limiting slot when being inserted into.
The wall thickness of metal screen layer is relatively thin, collectively forms flexible pipe with protection glue-line, and metal adapter constitutes software
The end of pipe, facilitates flexible pipe to connect with endoscopic system.Position limiting structure is electrically conductive, is playing limitation metal screen layer and metal
The purpose of electrical connection metal screen layer and metal adapter is played while adapter falls off.In order to realize leaded light, guide-lighting soft
Setting light-conductive optic fibre or guide-lighting optical cable in pipe.
In above-mentioned guide-lighting hose, the position limiting structure includes that the elasticity that is fixed on insertion section of one end arches upward, institute
Stating the other end that elasticity arches upward is free end, axis of the orthographic projection that the elasticity arches upward on the outer surface of insertion section along insertion section
To extension.
Elasticity arches upward at the side of insertion section, has the characteristics that deform after being extruded, and the shape that arches upward of elasticity can be with
It is the analogous shapes such as " u "-shaped/" V " shape/arc/door frame, when axis hole is inserted into insertion section, elasticity arches upward by metal adapter
Squeeze, elasticity, which arches upward, is become that shape is unfolded from " u "-shaped/" V " shape/arc/door frame, when insertion section is inserted into elasticity arch upward from
The state of arching upward is reset under the elastic force effect of body and is caught in limiting slot.
In above-mentioned guide-lighting hose, the elasticity arch upward far from protection glue-line one end be fixed on insertion section, institute
The metal adapter stated is equipped with guide surface, and the guide surface is located between limiting slot and protection glue-line.Guide surface is along metal
The central axes of adapter are obliquely installed, and it is remote that distance of the guide surface close to one end to the axis hole central axes of protection glue-line is greater than guide surface
With a distance from one end to axis hole central axes from protection glue-line.
In above-mentioned guide-lighting hose, the metal adapter is equipped with connecting hole and the hole that aperture is greater than axis hole aperture
Diameter is greater than the relief hole in connecting hole aperture, the relief hole, connecting hole and axis hole it is coaxial and along the direction of insertion of insertion section according to
Secondary setting, the relief hole are connected to connecting hole, and the connecting hole is connected to axis hole, and the limiting slot is set to connecting hole
Interior, the guide surface is set to the connectivity part of relief hole and connecting hole.The radius of relief hole be slightly larger than or equal to elasticity arch upward to
The maximum distance of insertion section central axes.
In above-mentioned guide-lighting hose, the limiting slot is coaxially disposed in a ring and with axis hole, and the one of the limiting slot
Side is confined planes one, and the other side is confined planes two, and the elasticity arches upward upper with the confined planes being oppositely arranged with confined planes one
Three and the confined planes four that are oppositely arranged with confined planes two, confined planes three and limit when the Elastic Arch, which rises, is caught in limiting slot
Face one reclines, and confined planes four recline with confined planes two.
Confined planes three are obliquely installed, and are squeezed and deformed and are gone on smoothly in guarantee assembling process, confined planes three and insertion section axis
Angle be 20 ° -45 °, the angle of guide surface and insertion section axis is 20 ° -45 °.To guarantee that the connection after assembly in place is reliable
Property, the angle of confined planes four and insertion section axis is 75 ° -90 °.
In above-mentioned guide-lighting hose, the guide surface is in a ring；Connector sleeve is arranged on the insertion section, it is described
Connector sleeve be equipped with several above-mentioned elasticity close to one end of protection glue-line and arch upward, several elasticity arch upward along insertion section
The distribution of central axes annular array.The outer diameter of connector sleeve is slightly less than the aperture of connecting hole, after connector sleeve is inserted into insertion section, connection
Set is small―gap suture cooperation with connecting hole.Connector sleeve and several elasticity arch upward and are made of metal, and connector sleeve can be by welding
It is fixed on insertion section.In order to guarantee the connectivity robustness of connector sleeve and insertion section, in the one end of connector sleeve far from protection glue-line
Equipped with folding portion, lean against in the folding portion to the end of insertion section.The wall thickness of connector sleeve is equal with the thickness that elasticity arches upward.
In above-mentioned guide-lighting hose, when the Elastic Arch rise be caught in limiting slot when described in protection glue-line protrude into resigning
Hole, the relief hole is interior to be equipped with the sealing ring for being resisted against protection glue-line end.It is equipped in the free end that elasticity arches upward along insertion
The butting section that the axis in portion extends, sealing ring are located between butting section and protection glue-line.What the width and elasticity of butting section arched upward
Width is equal, and the thickness of butting section is equal to the thickness that elasticity arches upward.
Elasticity arches upward to be formed using panel beating.
Sealing ring set is first set on insertion section in assembling, connector sleeve is then welded to insertion section by this leaded light hose
On；Then metal adapter is inserted in, during being inserted in, the guide surface on metal adapter is to the elastic inclined-plane three to arch upward
Generation extruding leads to Elastic Arch, and deformation occurs, continues to be inserted in after elasticity arches upward deformation, so that elasticity, which arches upward, is embedded in limiting slot,
Confined planes three recline with confined planes one at this time, and confined planes four recline with confined planes two, realize assembly connection.Since elasticity arches upward
Assembly cooperation is realized in extrusion inside metal adapter, ensure that contact between the two, realizes shielding conducting.Together
When, sealing ring extrusion between metal adapter and insertion section realizes the sealing between insertion section and metal adapter
Performance.
Endoscopic system, including endoscope host and endoscope mirror body, the endoscope host are equipped with light guide section, institute
The endoscope mirror body stated is equipped with above-mentioned guide-lighting hose, and the guide-lighting hose passes through metal adapter and light guide section grafting.
Compared with prior art, the invention has the following advantages that
Elasticity arches upward to be formed using panel beating, has the characteristics that deform after being extruded, and assembly quickly, ensure that metal turns
Contact between connector and insertion section realizes conducting shielding, improves the interference free performance of endoscopic system；Sealing ring is in gold
Belonging to extrusion between adapter and insertion section realizes sealing performance between the two.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of endoscopic system provided by the invention.
Fig. 2 is the cross-sectional view of the guide-lighting hose provided in background technique.
Fig. 3 is the cross-sectional view of guide-lighting hose provided by the invention.
Fig. 4 is the perspective view of the explosion of guide-lighting hose provided by the invention.
Fig. 5 be in the present invention guide-lighting hose it is unassembled in place when partial enlarged view.
Fig. 6 is partial enlarged view when guide-lighting hose assembles in place in the present invention.
Fig. 7 is the structural schematic diagram of the endoscopic system provided in preferred embodiment.
In figure, 1, metal screen layer；2, glue-line is protected；3, axis hole；4, metal adapter；5, insertion section；6, limiting slot；7,
Elasticity arches upward；8, guide surface；9, connecting hole；10, relief hole；11, confined planes one；12, confined planes two；13, confined planes three；14,
Confined planes four；15, connector sleeve；16, sealing ring；17, folding portion；18, butting section；19, endoscope host；20, endoscope mirror body；
21, light guide section；22, guide-lighting hose.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Guide-lighting hose as shown in Figure 3, including metal screen layer 1 in a tubular form, the protection that is set on metal screen layer 1
Glue-line 2 and metal adapter 4 with axis hole 3, one end of metal screen layer 1 are the insertion section 5 for being inserted into axis hole 3, are protected
Shield glue-line 2 does not wrap insertion section 5.As shown in figure 3, metal adapter 4 is equipped with the connecting hole 9 that aperture is greater than 3 aperture of axis hole
It is greater than the relief hole 10 in 9 aperture of connecting hole with aperture, relief hole 10, connecting hole 9 and axis hole 3 be coaxial and the insertion along insertion section 5
Direction is set gradually, and connecting hole 9 is set to the bottom of relief hole 10, and axis hole 3 is set to the bottom of connecting hole 9, in the inner wall of connecting hole 9
Equipped with limiting slot 6 in a ring, the connectivity part of relief hole 10 and connecting hole 9 is equipped with guide surface 8 in a ring, and guide surface 8 is along gold
The central axes for belonging to adapter 4 are obliquely installed, and distance of the guide surface 8 close to one end to 3 central axes of axis hole of protection glue-line 2, which is greater than, to be led
The distance of one end to 3 central axes of axis hole to face 8 far from protection glue-line 2.Conductive position limiting structure is connected on insertion section 5,
When insertion section 5 is inserted into connecting hole 9 and is inserted into, position limiting structure is caught in limiting slot 6.The wall thickness of metal screen layer 1 is relatively thin, with guarantor
Shield glue-line 2 collectively forms flexible pipe, and metal adapter 4 constitutes the end of flexible pipe, facilitates flexible pipe and endoscopic system
Connection.Position limiting structure is electrically conductive, plays while playing limitation metal screen layer 1 and falling off with metal adapter 4 and is electrically connected gold
Belong to the purpose of shielded layer 1 and metal adapter 4.In order to realize leaded light, light-conductive optic fibre or guide-lighting optical cable are set in guide-lighting hose.
As shown in figure 3, connector sleeve 15 is arranged on insertion section 5, as shown in figure 4, connector sleeve 15 is close to the one of protection glue-line 2
End is equipped with several position limiting structures, and central axes annular array of several position limiting structures along insertion section 5 is distributed.The outer diameter of connector sleeve 15 omits
Less than the aperture of connecting hole 9, after connector sleeve 15 is inserted into insertion section 5, connector sleeve 15 and connecting hole 9 are small―gap suture cooperation.Such as
Shown in Fig. 4, position limiting structure includes that the elasticity that is fixed on insertion section 5 of one end arches upward 7, elasticity arch upward 7 have be extruded after deform
The characteristics of, elasticity arch upward 7 the other end be free end, elasticity arch upward 7 orthographic projection on 5 outer surface of insertion section along insertion section 5
It is axially extending.As shown in Figure 5 and Figure 6, elastic 7 one end far from protection glue-lines 2 of arching upward are fixed on insertion section 5, relief hole
10 radius be slightly larger than or equal to elasticity arch upward 7 to 5 central axes of insertion section maximum distance.Connector sleeve 15 and several elasticity arch upward
7 are made of metal, and connector sleeve 15 can be fixed on by welding on insertion section 5.In order to guarantee connector sleeve 15 and insertion section 5
Connectivity robustness, connector sleeve 15 far from protection glue-line 2 one end be equipped with folding portion 17, lean against this to the end of insertion section 5
In folding portion 17.
As shown in figure 5, the side of limiting slot 6 is confined planes 1, the other side is confined planes 2 12, and elasticity, which arches upward on 7, to be had
There are the confined planes being oppositely arranged with confined planes 13 13 and the confined planes being oppositely arranged with confined planes 2 12 4 14, works as elasticity
7 confined planes 3 13 when being caught in limiting slot 6 that arch upward recline with confined planes 1, and confined planes 4 14 recline with confined planes 2 12.Limit
Face 3 13 is obliquely installed, and is squeezed and deformed and is gone on smoothly in guarantee assembling process, confined planes 3 13 and the angle of 5 axis of insertion section are
20 ° -45 °, guide surface 8 and the angle of 5 axis of insertion section are 20 ° -45 °.To guarantee the connection reliability after assembly in place, limit
The angle of face 4 14 and 5 axis of insertion section is 75 ° -90 °.
As seen in figures 3-6, when elasticity arch upward 7 be caught in limiting slot 6 when protection glue-line 2 protrude into relief hole 10, in relief hole 10
Equipped with the sealing ring 16 for being resisted against protection 2 end of glue-line.Elasticity arch upward 7 free end be equipped with along insertion section 5 axis extend
Butting section 18, sealing ring 16 be located at butting section 18 and protection glue-line 2 between.The width of butting section 18 and elasticity arch upward 7 width
Spend it is equal, the elasticity that the thickness of butting section 18 is equal to arch upward 7 thickness.Connector sleeve 15, elasticity arch upward 7, folding portion 17 and butting section
18 are formed using panel beating.
16 sets of sealing ring are first set on insertion section 5, are then welded to connector sleeve 15 slotting in assembling by this leaded light hose
Enter in portion 5；Then metal adapter 4 is inserted in, during being inserted in, 8 pairs of elasticity of guide surface on metal adapter 4 arch upward
7 inclined-plane three generate squeeze cause elasticity to arch upward 7 deformation occurs, continue to be inserted in after elasticity arches upward 7 deformations, so that elasticity arches upward
7 insertion limiting slots 6, confined planes 3 13 recline with confined planes 1 at this time, and confined planes 4 14 recline with confined planes 2 12, realize
Assembly connection.Since elasticity arches upward 7 in 4 inside extrusion of metal adapter realization assembly cooperation, ensure that between the two
Contact, realize shielding conducting.Meanwhile the extrusion between metal adapter 4 and insertion section 5 of sealing ring 16 realizes
Sealing performance between insertion section 5 and metal adapter 4.
Endoscopic system as shown in Figure 7, including endoscope host 19 and endoscope mirror body 20 are set on endoscope host 19
There is light guide section 21, endoscope mirror body 20 is equipped with above-mentioned guide-lighting hose 22, and guide-lighting hose 22 passes through metal adapter 4 and leaded light
21 grafting of portion.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of leaded light hose, including metal screen layer (1) in a tubular form, the protection glue-line that is set on metal screen layer (1)
(2) and the metal adapter (4) with axis hole (3), one end of the metal screen layer (1) are for being inserted into axis hole (3)
Insertion section (5), which is characterized in that the inner wall of the axis hole (3) is equipped with limiting slot (6), and being connected on the insertion section (5) can
Conductive position limiting structure, when insertion section (5) insertion axis hole (3) and position limiting structure is caught in limiting slot (6) when being inserted into.
2. leaded light hose according to claim 1, which is characterized in that the position limiting structure includes that one end is fixed on insertion
Elasticity in portion (5) arches upward (7), the elasticity arch upward (7) the other end be free end, the elasticity arch upward (7) be inserted into
Orthographic projection on portion (5) outer surface is along the axially extending of insertion section (5).
3. leaded light hose according to claim 2, which is characterized in that the elasticity arches upward (7) far from protection glue-line (2)
One end be fixed on insertion section (5), the metal adapter (4) be equipped with guide surface (8), the guide surface (8) position
Between limiting slot (6) and protection glue-line (2).
4. leaded light hose according to claim 3, which is characterized in that it is big that the metal adapter (4) is equipped with aperture
It is greater than the relief hole (10) in connecting hole (9) aperture in the connecting hole (9) in axis hole (3) aperture and aperture, the relief hole (10),
Connecting hole (9) and axis hole (3) are coaxial and the direction of insertion along insertion section (5) is set gradually, the relief hole (10) with connect
Hole (9) connection, the connecting hole (9) are connected to axis hole (3), and the limiting slot (6) is set in connecting hole (9), described
Guide surface (8) is set to the connectivity part of relief hole (10) and connecting hole (9).
5. it is according to claim 4 leaded light hose, which is characterized in that the limiting slot (6) in a ring and with axis hole (3)
Coaxial arrangement, the side of the limiting slot (6) are confined planes one (11), and the other side is confined planes two (12), the Elastic Arch
Rising on (7) has the confined planes three (13) being oppositely arranged with confined planes one (11) and the limit being oppositely arranged with confined planes two (12)
Plane four (14), when the elasticity arch upward (7) be caught in limiting slot (6) when confined planes three (13) recline with confined planes one (11),
Confined planes four (14) recline with confined planes two (12).
6. leaded light hose according to claim 5, which is characterized in that the guide surface (8) is in a ring；The insertion
It is arranged in portion (5) connector sleeve (15), the connector sleeve (15) is equipped with several above-mentioned bullets close to one end of protection glue-line (2)
Property arch upward (7), several elasticity central axes annular array of (7) along insertion section (5) that arches upward is distributed.
7. it is according to claim 4 leaded light hose, which is characterized in that when the elasticity arch upward (7) be caught in limiting slot (6)
The protection glue-line (2) of Shi Suoshu protrudes into relief hole (10), is equipped in the relief hole (10) and is resisted against protection glue-line (2) end
Sealing ring (16).
8. a kind of endoscopic system, which is characterized in that including endoscope host (19) and endoscope mirror body (20), it is described in peep
Mirror host (19) is equipped with light guide section (21), and the endoscope mirror body (20) is equipped with such as claim 1-7 any one institute
The guide-lighting hose (22) stated, the guide-lighting hose (22) pass through metal adapter (4) and light guide section (21) grafting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875861.7A CN110477843B (en) | 2019-09-17 | 2019-09-17 | Light guide tube and endoscope system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875861.7A CN110477843B (en) | 2019-09-17 | 2019-09-17 | Light guide tube and endoscope system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110477843A true CN110477843A (en) | 2019-11-22 |
| CN110477843B CN110477843B (en) | 2024-09-06 |
Family
ID=68558408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910875861.7A Active CN110477843B (en) | 2019-09-17 | 2019-09-17 | Light guide tube and endoscope system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110477843B (en) |
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