CN108514399A - Endoscope - Google Patents
Endoscope Download PDFInfo
- Publication number
- CN108514399A CN108514399A CN201810439621.8A CN201810439621A CN108514399A CN 108514399 A CN108514399 A CN 108514399A CN 201810439621 A CN201810439621 A CN 201810439621A CN 108514399 A CN108514399 A CN 108514399A
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- CN
- China
- Prior art keywords
- endoscope
- drying part
- optical module
- shell
- groove structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/12—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements
- A61B1/127—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with cooling or rinsing arrangements with means for preventing fogging
Abstract
The present invention provides a kind of endoscopes, including endoscope shell, optical module and drying part；The endoscope shell has the cavity for accommodating the optical module, the drying part is installed on the mounting portion in the cavity, and the mounting portion is on the holder between the outer wall of the optical module, the cavity inner wall or the optical module and the endoscope shell of the endoscope shell.Endoscope provided by the invention, after drying part is installed on mounting portion, it is ensured that drying part is located in the optical path of endoscope, effectively prevents generating mist layer in the optical path of endoscope, the aridity in endoscope cavity is improved, effectively ensures the imaging performance of endoscope.
Description
Technical field
The present invention relates to technical field of medical equipment, more particularly to a kind of endoscope.
Background technology
Endoscope is widely used as current Medical Instruments.For medical endoscope, internal cavity
Airtight waterproof be vital to its blur-free imaging.
Endoscope usually requires high-temperature high-voltage sterilizing sterilizing before the use, therefore, can high-temperature high-voltage sterilizing sterilizing be interior
One of development trend of sight glass, this proposes higher want to the airtight waterproof of the endoscope shell internal cavity of endoscope
It asks.
But in actual use, there are still generate mist layer on the internal optics access of endoscope.It is interior
, mainly there is following two aspect in the reason of inside generation mist layer of sight glass：1, the tail end form of endoscope and front end form pass through welding
Or gluing is fixedly connected with endoscope shell, during being used for a long time, the position of welding or gluing will produce micro-pore,
That is, the joint that tail end form and front end form are connect with endoscope shell produces micro-pore, (this micro-pore does not need
Carry out the expensive repair of Detachable), the steam in external environment enters inside cavity through the micro-pore；2, optical module exists
When being packed into the cavity of endoscope shell, ambient humidity is not controlled, and inside cavity has remaining steam.Due in endoscope
Mist layer is generated in the optical path in portion, affects the imaging performance of endoscope.
Invention content
The present invention provides a kind of endoscopes, promote the aridity in endoscope cavity, it is ensured that imaging performance.
In order to achieve the above object, the present invention provides the following technical solutions：
A kind of endoscope, including endoscope shell, optical module and drying part；The endoscope shell, which has, accommodates institute
The cavity of optical module is stated, the drying part is installed on the mounting portion in the cavity, and the mounting portion is set to the light
Learn the holder between the outer wall of component, the cavity inner wall or the optical module and the endoscope shell of the endoscope shell
On.
Endoscope provided in an embodiment of the present invention, by the way that drying is arranged in the cavity that endoscope shell accommodates optical module
Component effectively can carry out hygroscopic desiccation to the steam entered in cavity, and then adsorb the water in the outer surface of optical module
Vapour, by the way that mounting portion to be set to the outer wall of optical module, the cavity inner wall of endoscope shell or optical module and endoscope shell
Between holder on, and after drying part is installed on mounting portion, it is ensured that drying part is located at the optical path of endoscope
On, it effectively prevents generating mist layer in the optical path of endoscope, improves the aridity in endoscope cavity, effectively ensure
The imaging performance of endoscope.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill of field, without creative efforts, others are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structural schematic diagram of endoscope provided in an embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of the first endoscope provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of holder provided in an embodiment of the present invention；
Fig. 4 is the partial structurtes enlarged diagram of part A in Fig. 2；
Fig. 5 is the partial structurtes enlarged diagram of part B in Fig. 2；
Fig. 6 is the schematic cross-sectional view of second of endoscope provided in an embodiment of the present invention；
Fig. 7 is the schematic cross-sectional view of the third endoscope provided in an embodiment of the present invention.
Specific implementation mode
The present invention provides a kind of endoscopes, to promote the aridity in endoscope cavity, it is ensured that imaging performance.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1, Fig. 2, Fig. 6 and Fig. 7, an embodiment of the present invention provides a kind of endoscopes, including endoscope shell, light
Learn component 2 and drying part 34；Endoscope shell has the cavity for accommodating optical module 2, drying part 34 within the cavity
On mounting portion, mounting portion be set to the outer wall of optical module, the cavity inner wall of endoscope shell or the optical module with it is described interior
On holder 3 between sight glass shell.
Endoscope provided in an embodiment of the present invention, it is dry by being arranged in the cavity that endoscope shell accommodates optical module 2
Dry component 34 effectively can carry out hygroscopic desiccation to the steam entered in cavity, and then adsorb in the outer surface of optical module 2
Steam, the especially steam near 41 inner surface of the eyepiece component 22 of optical module 2 and tail end form.By by mounting portion
On holder 3 between the outer wall of optical module, the cavity inner wall of endoscope shell or optical module and endoscope shell, and
After drying part 34 is installed on mounting portion, it is ensured that drying part 34 is located in the optical path of endoscope, effectively avoids
Generate mist layer in the optical path of endoscope, improve the aridity in endoscope cavity, effectively ensure endoscope at
As performance.
As shown in fig. 6, in wherein a kind of embodiment, have for installing drying part 34 on the outer wall of optical module 2
Mounting portion.That is, drying part 34 is installed on the mounting portion on 2 outer wall of optical module, by the way that optical module 2 to be installed on
In the cavity of endoscope shell, in order to which drying part 34 carries out hygroscopic desiccation to the steam entered in cavity, and then adsorb
Steam in the outer surface of optical module 2.
As shown in fig. 7, in wherein a kind of embodiment, have for installing drying section on the cavity inner wall of endoscope shell
The mounting portion of part 34.That is, drying part 34 is installed on the inner wall of endoscope shell, in being installed on optical module 2
In the cavity of sight glass shell, in order to which drying part 34 carries out hygroscopic desiccation to the steam entered in cavity, and then adsorb
The steam of the outer surface of optical module 2.
As shown in Fig. 2, in wherein a kind of embodiment, endoscope provided in an embodiment of the present invention further includes holder 3, holder
3 are set between optical module 2 and endoscope shell, and the outer surface of holder 3 has the mounting portion for installing drying part 34.
It is understood that when holder 3 is fixed relative to optical module 2, the outer surface of holder 3 is towards endoscope shell；When holder 3
When being fixed relative to endoscope shell, the outer surface of holder 3 is towards optical module 2；When holder 3 and optical module 2 and endoscope
When shell is fixed, the outer surface of holder 3 is the one side towards the gap between optical module 2 and endoscope shell.That is, optics
Gas channel between component 2 and endoscope shell passes through the outer surface of holder 3.
It is understood that above-mentioned three kinds of embodiments (have on the outer wall of optical module for installing drying part
Mounting portion；Or, having the mounting portion for installing drying part on the cavity inner wall of endoscope shell；Or, endoscope further includes
The holder being set between optical module and endoscope shell, holder have the mounting portion for installing drying part) in, it will do
After dry component is installed on mounting portion, it can ensure that drying part is located in the optical path of endoscope, and then effectively ensure
Moisture absorption of the drying part to steam in optical path effectively prevents generating mist layer in the optical path of endoscope, effectively ensure
The imaging performance of endoscope.
As shown in Figure 3, it is preferable that mounting portion is groove structure 36.It can also set mounting portion to raised location structure,
The movement of drying part 34 is limited by raised location structure.It is gluing position that can also make mounting portion, and drying part 34 is direct
It is pasted onto on gluing position.
Endoscope provided in an embodiment of the present invention further includes the elastomeric element 35 being set in groove structure 36, elastic portion
Part 35 is used to compress the elastomeric element 35 of drying part 34.By using elastomeric element 35, elasticity is applied about to drying part 34
Beam force avoids drying part 34 by being detached from groove structure 36.
Wherein, elastomeric element 35 squeezes drying part 34 to the groove bottom 363 of groove structure 36；Alternatively, elastomeric element 35
To one of groove structure 36 sidewall extrusion drying part 34.
In the present embodiment, elastomeric element 35 is to one of groove structure 36 sidewall extrusion drying part 34.Such as Fig. 3
Shown, drying part 34 is contacted with the first side wall 361 of groove structure 36；The second sidewall of elastomeric element 35 and groove structure 36
362 contacts.As shown in figure 3, width direction of the drying part 34 with elastomeric element 35 along groove structure 36 arranges, groove structure 36
Width direction be the first side wall 361 and second sidewall 362 orientation.By above-mentioned setting, drying part 34 is being avoided
While by being detached from groove structure 36, elastomeric element 35 is also used as buffer element, and buffering is played to drying part 34
Effect.Part surface layer is had after being hit due to drying part 34 to fall off, the powder to fall off can influence imaging performance, therefore,
Cushioning effect is played to drying part 34 by elastomeric element 35, effectively reduces the drying part 34 after endoscope is impacted
The impact force being subject to.Also, drying part 34 can be made to be exposed between sight glass shell and optical module 2 by above-mentioned setting
Gas channel in surface portion it is more, avoid elastomeric element 35 from blocking 34 most surfaces of drying part.
As shown in figure 3, elastomeric element 35 is contacted with second sidewall 362, drying part 34 and groove bottom 363, also, elasticity
Component 35 has elasticity tension along the width direction of groove structure 36, since elastomeric element 35 is located at second sidewall 362 and drying
Between component 34 so that elastomeric element 35 applies drying part 34 pressing force towards the first side wall 361.
It is of course also possible to elastomeric element 35 is made to be sheathed on the outside of drying part 34, and to the groove bottom of groove structure 36
363 compress drying part 34.Pass through above-mentioned setting so that elastomeric element 35 squeezes drying to the groove bottom 363 of groove structure 36
Component 34.
As shown in Figures 2 and 3, the outside of drying part 34 protrudes from the outside of elastomeric element 35.Wherein, drying part 34
Outside be its groove bottom 363 far from groove structure 36 side, the outside of elastomeric element 35 is it far from groove structure 36
Groove bottom 363 side.Pass through above-mentioned setting so that drying part 34 is exposed between endoscope shell and optical module 2
Gas channel in surface portion it is more, further improve drying effect.
Further, the outside of drying part 34 protrudes from the tail end side wall of groove structure 36；The outside of drying part 34
Tail end side wall for the side of its groove bottom 363 far from groove structure 36, groove structure 36 is that groove structure 36 is peeped close to interior
The side wall of the tail end form 41 of mirror shell.Since the lens of eyepiece component 22 are located at by the position of caudal part form 41, lead to
Cross above-mentioned setting, it is ensured that the gas channel by drying part 34 to lens is larger, further improves to lens
And the moisture sorption effect to tail end form inner surface, it avoids lens from generating mist layer, effectively ensures the imaging of endoscope
Energy.
In the present embodiment, tail end side wall is second sidewall 362.
Endoscope provided in an embodiment of the present invention, mounting portion are groove structure 36, and endoscope is also provided at groove structure 36
Wherein one side wall on bulge-structure 33, bulge-structure 33 for avoid drying part 34 be detached from.By above-mentioned setting, effectively
Improve the locating effect of drying part 34.
In the present embodiment, bulge-structure 33 is set on the first side wall 361 of groove structure 36.By in the first side wall
Bulge-structure 33 is set on 361 so that one side of the bulge-structure 33 towards the groove bottom 363 of groove structure 36, the first side wall 361
Groove, which is formed, with groove bottom 363 avoids drying part 34 in order to accommodate drying part 34 towards the side of the first side wall 361
It is detached from groove structure 36.
Further, bulge-structure 33 is located at the side of groove bottom 363 of the first side wall 361 far from groove structure 36.It is logical
Above-mentioned setting is crossed, in limited groove structure 36, expands bulge-structure 33 as far as possible between groove bottom 363
Away from order to effectively accommodate drying part 34 towards the side of the first side wall 361, improving structural compactness.
The one side of bulge-structure 33 towards groove bottom 363 is inclined surface 331, and inclined surface 331 is along far from the first side wall 361
Direction is tilted to the direction far from groove bottom 363.Pass through above-mentioned setting so that slot bottom of the bulge-structure 33 towards groove structure 36
The groove that the one side in face 363, the first side wall 361 are formed with groove bottom 363 is enlarged recess, is ensuring to play drying part 34
While position-limiting action, reduces slot opening and the scraping collision of drying part 34 is lost.By above-mentioned setting, it is particularly suitable for holding
Receive non-rectangle drying part 34, the shape of drying part 34 can be spherical shape, elliposoidal, pyriform, spindle or wooden club shape etc..
It is understood that the one side of bulge-structure 33 towards groove bottom 363 may be concave arc surface.Further,
Direction of the concave arc surface far from the first side wall 361 is tilted to the direction far from groove bottom 363.
Preferably, groove structure 36 is the circumferentially disposed annular groove along optical module 2.It is convenient by above-mentioned setting
Drying part 34 is set in annular groove.By setting along the circumferentially disposed of optical module 2 groove structure 36 to
Annular groove, in order to make drying part 34 along the circumferentially disposed of optical module 2, and then uniform pickup optical module 2 is outer
The steam on surface, improves moisture sorption effect.
Preferably, elastomeric element 35 is the O-ring being sheathed in annular groove.When needing replacing drying part 34, only
It need to be by O-ring by being disassembled in annular groove, you can the drying part 34 in annular groove is made to be in loosening state, Ke Yizhi
It picks up down.It is of course also possible to set elastomeric element 35 to elastomer block or spring etc., it is set to be set to annular groove by squeezing
In.
As shown in Fig. 2, annular groove is set on holder 3.Therefore, holder 3 have towards optical module 2 inner surface and
Towards the outer surface of the inner wall of endoscope shell.In the present embodiment, holder 3 is sheathed on optical module 2, i.e., holder 3 is interior
Surface is matched with optical module 2, and annular groove is set on the outer surface of holder 3.It is of course also possible to which holder 3 is made to be fixed on
On the inner wall of endoscope shell, i.e. the outer surface of holder 3 is matched with endoscope shell, and annular groove is set to the interior of holder 3
On surface.It can also make the annular groove with hollow out on the upper intermediate position between surface and outer surface in the inner of holder 3,
Drying part 34 is set in annular groove but air-flow is not hindered to pass through holder 3.
In the present embodiment, O-ring (elastomeric element 35) is sheathed in annular groove so that elastomeric element 35 is towards slot bottom
Face 363 compresses.
Wherein, the quantity of drying part 34 can be multiple and be arranged along annular groove, can be realized by O-ring multiple
It is compressed while drying part 34.It can also set drying part 34 to the ring drying component being arranged along annular groove, lead to
O-ring is crossed to compress the drying part 34.
In the present embodiment, elastomeric element 35 is O-ring, wherein the cross section of elastomeric element 35 is circle；Groove structure
36 be rectangular configuration.When the cross section of the cross section of drying part 34 and elastomeric element 35 is circle, drying part 34
Side wall of the line in the center of circle and the center of circle of elastomeric element 35 perpendicular to groove structure 36.
Optical module 2 includes eyepiece component 22, since in endoscope, eyepiece component 22 and tail end form inner surface generate mist
It is affected for the imaging performance of endoscope after layer, is preferably correspondingly arranged mounting portion and eyepiece component 22.That is, drying part
After 34 are installed on mounting portion so that drying part 34 is located near eyepiece component 22.Pass through above-mentioned setting so that drying part
The 34 lens position apart from eyepiece component 22 is closer, further functions as the effect that lens generate mist layer that avoids.
There is the mounting portion for installing drying part 34 in the first embodiment, on the outer wall of eyepiece component 22.
In second of embodiment, the inner wall for the case member that endoscope shell is used to be correspondingly arranged with eyepiece component 22
With the mounting portion for installing drying part 34.
In the third embodiment, endoscope further includes the holder 3 being set between optical module 2 and endoscope shell,
Holder 3 is correspondingly arranged with eyepiece component 22.
In the present embodiment, the distance of the outer surface of drying part 34 to the center line of holder 3 is more than elastomeric element 35
Distance of the outer surface to the center line of holder 3.
As shown in Figures 2 and 3, in the present embodiment, endoscope further include be set to optical module 2 and endoscope shell it
Between holder 3, the outer surface of holder 3 has the mounting portion for installing drying part 34；Drying part 34 is set to holder 3 and leans on
The side of the tail end form 41 of nearly endoscope shell.Pass through above-mentioned setting so that mesh of the drying part 34 close to eyepiece component 22
Mirror eyeglass further functions as the effect that lens generate mist layer that avoids.
In the present embodiment, holder 3 is the optical module holder for being positioned at eyepiece component 22 in cavity.That is, branch
Frame 3 has not only acted as the effect for installing drying part 34, also acts the effect of positioning eyepiece component 22, effectively increases
The utilization rate of holder 3 improves the structural compactness of endoscope.
In the present embodiment, optical module holder (holder 3) is for positioning eyepiece component 22.It can also make optical module branch
Frame is used to position the stick mirror assembly 21 of optical module 2.
As shown in figure 4, endoscope shell includes base assembly 1, holder 3 and 1 assembly connection of base assembly；Holder 3 has
With the 27 matched axial locating surface 32 of positioning shaft shoulder of eyepiece component 22.By the way that axial locating surface 32 is arranged, in order to reach
The effect that limitation eyepiece component 22 is moved axially relative to base assembly 1.Pass through the assembly connection of holder 3 and base assembly 1, limit
The axial position of holder 3 and base assembly 1 processed, also, holder 3 has the 27 matched axis of positioning shaft shoulder with optical module 2
To positioning surface 32, axial locating surface 32 is moved axially for limiting optical module 2 relative to base assembly 1, therefore, effective position
The axial position of eyepiece component 22 and base assembly 1.
In the present embodiment, there is matched helicitic texture, holder 3 and base assembly 1 on holder 3 and base assembly 1
Pass through helicitic texture assembly connection.Further, by glue or it is welded and fixed connection screw thread structure.It is of course also possible to directly
Being fixedly connected for holder 3 and base assembly 1 is realized by glue or welding.
It can also set holder 3 and base assembly 1 to detachable structure, no longer be described in detail herein and in protection model
Within enclosing.
Endoscope shell further includes seal cartridge assembly 4, for the ease of the replacement of drying part 34, base assembly 1 and sealing
Cover 4 disassembled connection of component；After base assembly 1 is assembled with seal cartridge assembly 4, installation position is in seal cartridge assembly 4.That is, logical
Cross the dismantling of base assembly 1 and seal cartridge assembly 4 so that the mounting portion for being equipped with drying part 34 is exposed outside, convenient for dry
Dry component 34 is replaced.
Base assembly 1 is connect with seal cartridge assembly 4 by screw-thread fit, also, adds screw thread glue in screwing position,
And then the connection sealing energy for having ensured base assembly 1 and seal cartridge assembly 4 next.When needing dismantling, can be grasped by heating
Make so that screw thread glue loses glueability, then realizes base assembly 1 by the relative rotation of base assembly 1 and seal cartridge assembly 4
With the separation of seal cartridge assembly 4.By above-mentioned setting, although increasing the dismounting difficulty of base assembly 1 and seal cartridge assembly 4,
But it is possible to effectively ensure the sealing performance of the cavity of endoscope.
It is of course also possible to which drying part 34 not to be set to the outside of eyepiece component 22.Optical module 2 includes stick mirror assembly
21, mounting portion and stick mirror assembly 21 can be correspondingly arranged.That is, after drying part 34 is installed on mounting portion, drying part 34
Positioned at close to the position of stick mirror assembly 21.
Mounting portion can also be set to other positions, it is only necessary to which drying part 34 is set to the outside of optical module 2 i.e.
It can.It is of course also possible to be set to the end of optical module 2.
Preferably, drying part 34 is sphere structure.By above-mentioned setting, the processing of drying part 34 is facilitated, certainly,
The shape of drying part 34 can be spherical shape, elliposoidal, pyriform, spindle or wooden club shape etc..
In order to improve hygroscopic desiccation effect, the quantity of drying part 34 is multiple and along the circumferential array of optical module 2.
One drying part 34 can be only set；Alternatively, the quantity of drying part 34 is multiple and along the axial alignment of optical module 2.
Further, multiple drying parts 34 are evenly distributed along the circumferential direction of optical module 2.
Preferably, further include the discoloration instruction card being set in cavity.By setting discoloration instruction card, in order to cavity
Internal air humidity is monitored.
In the present embodiment, discoloration instruction card is located near drying part 34, in order to monitor whether drying part 34 needs
It replaces.Wherein, discoloration instruction card can be directly arranged at mounting portion groove structure 36, can also be set to installation department enclosure.
Wherein, discoloration instruction card can be set to the position that caudal part form 41 is leaned in cavity, in order to be regarded by tail end
The discoloration of the observation discoloration instruction card of window 41.Alternatively, observation window is arranged in endoscope shell, in order to be seen by observation window
Examine the discoloration of discoloration instruction card.
Preferably, the eyepiece component 22 of optical module 2 is fixedly connected with the stick mirror assembly 21 of optical module 2.By inside
The external of sight glass shell carries out adjustment, is fitted into the base assembly 1 of endoscope shell after being allowed to blur-free imaging.
In the present embodiment, in optical module 2 further include transfer part 23, during stick mirror assembly 21 passes through with eyepiece component 22
Turn part 23 and reaches connection.Also, the holding screw of internal and external walls is provided through on transfer part 23, the quantity of holding screw
It is multiple and along the circumferentially disposed of transfer part 23, also, holding screw stretches into one end inside transfer part 23 and stick microscope group
Part 21 or eyepiece component 22 offset, in order to realize the phase of regulating rod mirror assembly 21 and eyepiece component 22 by rotating holding screw
To position, radial adjustment operation is realized.
In the present embodiment, one end that holding screw stretches into inside transfer part 23 offsets with eyepiece component 22.Transfer zero
Part is to be fixedly connected with and (such as weld or be screwed) structure or integral structure with stick mirror assembly 21.Transfer part inner wall has
Internal thread, the outer wall of eyepiece component 22, which has, matches with the matched external screw thread of internal thread, transfer part with 22 screw thread of eyepiece component
It closes.Holding screw is set on transfer part, and the radiai adjustment of eyepiece component 22 is realized by adjusting holding screw, rotates eyepiece
Component 22 realizes it and is adjusted axially.
Further, the quantity of holding screw is three and is uniformly arranged along the circumferential direction of transfer part.
Further, engraved structure 37 is set on holder 3, in order to improve the elasticity of holder 3, is convenient for the peace of holder 3
Dress.It is understood that holder 3 is preferably metal structure.By the way that engraved structure 37 is arranged, it is possibility to have effect reduces holder 3
Weight, saves the cost of holder 3, and then meets the lightweight demand of endoscope.
After holder 3 is installed relative to optical module, engraved structure 37 is corresponding with the holding screw on transfer part 23 to be set
It setting, operating personnel can pass through engraved structure 37 to carry out dispensing operation to holding screw by external tool (such as screwdriver),
The radial position of eyepiece component 22 can again be adjusted after mounting bracket 3, it can also be by engraved structure 37 to tight
The screw thread state for determining screw is observed and (such as observes whether holding screw loosens).
For the ease of axially position, the eyeglass of stick mirror assembly 21 is avoided to be in direct contact with front end form 11 and generate friction damage
It loses, stick mirror assembly 21 has the stick mirror positioning step for axially position close to the side of the front end form 11 of endoscope shell
26；Have and 26 matched front end positioning step 12 of stick mirror positioning step on the inner wall of endoscope shell.It is positioned by stick mirror
Step 26 is contacted with the cooperation of front end positioning step 12, realizes axially position of the stick mirror assembly 21 relative to endoscope shell,
The eyeglass and front end form 11 for effectively preventing stick mirror assembly 21 are in direct contact, and then avoid the eyeglass of stick mirror assembly 21 because of friction
And the case where influencing clarity, occurs.
There is the concaveconvex structure of positioning setting between the inner wall and the outer wall of optical module 2 of endoscope shell.In this implementation
In example, optical module 2 is installed in the base assembly 1 of endoscope shell, therefore, inner wall and the optical module 2 of base assembly 1
There is the concaveconvex structure of positioning setting between outer wall.As shown in figure 4, having on optical module 2 along its axially setting and towards base
The raised connected structure 24 of the protrusion of holder assembly 1, has on the inner wall of base assembly 1 and 24 matched groove of raised connected structure
Connected structure 13.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest range caused.
Claims (15)
1. a kind of endoscope, which is characterized in that including endoscope shell, optical module and drying part；The endoscope shell
With the cavity for accommodating the optical module, the drying part is installed on the mounting portion in the cavity, the mounting portion
Set on the outer wall of the optical module, the cavity inner wall of the endoscope shell or the optical module and the endoscope shell
Between holder on.
2. endoscope according to claim 1, which is characterized in that the mounting portion is groove structure, further includes being set to
Elastomeric element in the groove structure, the elastomeric element is to the groove bottom of the groove structure or in which a sidewall extrusion
The drying part.
3. endoscope according to claim 2, which is characterized in that protrude from the elastic portion on the outside of the drying part
The outside of part, the outside of the drying part are the side of its groove bottom far from the groove structure, the elastomeric element
Outside is the side of its groove bottom far from the groove structure；And/or
The tail end side wall of the groove structure is protruded from the outside of the drying part, the tail end side wall of the groove structure is institute
State side wall of the groove structure close to the tail end form of the endoscope shell.
4. endoscope according to claim 1, which is characterized in that the mounting portion is groove structure, further includes being set to
Bulge-structure in the wherein one side wall of the groove structure, the bulge-structure is for avoiding the drying part from being detached from.
5. endoscope according to claim 4, which is characterized in that slot bottom of the bulge-structure towards the groove structure
The one side in face is inclined surface, and the inclined surface is tilted along the direction far from the side wall to the direction far from the groove bottom.
6. according to claim 1-5 any one of them endoscopes, which is characterized in that the mounting portion is along the optical module
Circumferentially disposed annular groove.
7. endoscope according to claim 1, which is characterized in that the optical module includes eyepiece component, the installation
Portion is correspondingly arranged with the eyepiece component.
8. endoscope according to claim 7, which is characterized in that the endoscope shell includes base assembly, the branch
Frame and the base assembly assembly connection；
The holder has the matched axial locating surface of positioning shaft shoulder with the eyepiece component.
9. endoscope according to claim 8, which is characterized in that the endoscope shell further includes seal cartridge assembly, institute
State base assembly and the disassembled connection of the seal cartridge assembly；
The base assembly is with after seal cartridge assembly assembling, and the installation position is in the seal cartridge assembly.
10. endoscope according to claim 1, which is characterized in that the optical module includes stick mirror assembly, the installation
Portion is correspondingly arranged with the stick mirror assembly.
11. endoscope according to claim 1, which is characterized in that the drying part is sphere structure.
12. according to claim 1-5 any one of them endoscopes, which is characterized in that the quantity of the drying part is multiple
And along the circumferential array of the optical module.
13. endoscope according to claim 1, which is characterized in that the eyepiece component of the optical module and the optics
The stick mirror assembly of component is fixedly connected.
14. endoscope according to claim 13, which is characterized in that the stick mirror assembly is close to the endoscope shell
The side of front end form has the stick mirror positioning step for axially position；
Have and the matched front end positioning step of the stick mirror positioning step on the inner wall of the endoscope shell.
15. the endoscope according to claim 13 or 14, which is characterized in that the inner wall of the endoscope shell and the light
Learn the concaveconvex structure that between the outer wall of component there is positioning to be arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108514399B CN108514399B (en) | 2021-07-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111839424A (en) * | 2020-06-24 | 2020-10-30 | 珠海明象医用科技有限公司 | Endoscope capable of visually prompting liquid feeding and liquid feeding testing method of endoscope |
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| US6077220A (en) * | 1996-07-29 | 2000-06-20 | Karl Storz Gmbh & Co. Kg | Endoscope with drying agent |
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| CN108514399B (en) | 2021-07-20 |
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Application publication date: 20180911 Assignee: Shenzhen Mindray Animal Medical Technology Co.,Ltd. Assignor: SHENZHEN MINDRAY BIO-MEDICAL ELECTRONICS Co.,Ltd. Contract record no.: X2022440020009 Denomination of invention: endoscope Granted publication date: 20210720 License type: Common License Record date: 20220804 |
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