CN106264428A - A kind of medical endoscope that may be repeated autoclave sterilization - Google Patents
A kind of medical endoscope that may be repeated autoclave sterilization Download PDFInfo
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- CN106264428A CN106264428A CN201510257387.3A CN201510257387A CN106264428A CN 106264428 A CN106264428 A CN 106264428A CN 201510257387 A CN201510257387 A CN 201510257387A CN 106264428 A CN106264428 A CN 106264428A
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Abstract
The invention discloses a kind of medical endoscope that may be repeated autoclave sterilization, described endoscope includes thin-walled endoscopic catheters, lighting unit, battery of lens unit, image unit and video processing unit, described lighting unit, battery of lens unit and image unit by high temperature resistant level epoxy close adhesion on the inwall of endoscopic catheters；Thin-walled endoscopic catheters near-end installs video processing unit, and is provided with handle, and transmission lead-in wire and cable in described image unit wrap up and extend to the near-end of video processing unit by thermoplastic elastic sleeve pipe, and video processing unit connects cable；Several operation button is installed on described handle；Described video processing unit is provided with Computer Vision chip.Present invention advantage compared with prior art is: the endoscopic system of the present invention can carry out sterilization treatment by High Temperature High Pressure, it is achieved that reusing of endoscopic system, reduces the cost of endoscope, simple to operate.
Description
Technical field
The present invention relates to medical equipment, particularly relate to one and may be repeated High Temperature High Pressure and go out
The medical endoscope of bacterium, belongs to field of medical technology.
Background technology
Medical endoscope is typically to be used in minimally-invasive treatment, percutaneous interventional radiology and surgery hands
The fields such as art.Because treat in body cavity to be entered and diagnose, so for this
The endoscope of type needs to carry out disinfection, the most before each is used
Must abandon.
In some cases, can use high concentration disinfectant that endoscope is carried out at sterilizing
Reason, in other cases, then needs to use autoclave sterilization method, i.e. necessarily
High-temperature steam under endoscope is carried out autoclaving.But the endoscope of the above-mentioned type
Very sensitive for autoclave sterilization flow process, this sensitivity includes many-sided reason, one
Aspect is battery of lens system, imageing sensor and other units using clear binder to bond
Part understands partial melting thus fuzzy camera lens during autoclave sterilization processes, and
Under high pressure effect, steam can be leaked between battery of lens, makes optics of lens characteristic reduce, makes
Image image quality is become significantly to decline, it is impossible to provide the image required by surgical diagnosis to become
Image sharpness；It addition, the waste heat that endoscope is after processing through autoclave sterilization also can
Cause the distortion of picture signal.
Summary of the invention
The present invention is to solve above-mentioned deficiency, it is provided that it is high that one may be repeated high temperature
The medical endoscope of pressure sterilizing.
The above-mentioned purpose of the present invention is realized by following technical scheme: a kind of repeatable
Carry out the medical endoscope of autoclave sterilization, it is characterised in that: described endoscope includes
Thin-walled endoscopic catheters, lighting unit, battery of lens unit, image unit and Video processing
Unit, described lighting unit, battery of lens unit and image unit are positioned at thin-walled endoscope leads
The far-end of pipe, and by high temperature resistant level epoxy close adhesion in endoscopic catheters
On inwall；Thin-walled endoscopic catheters near-end installs video processing unit, and is provided with handle,
Transmission lead-in wire and cable in described image unit are wrapped up also by thermoplastic elastic sleeve pipe
Extending to the near-end of video processing unit, video processing unit connects cable；Described handle
On several operation button is installed, described button includes focus adjustment, white balance and power supply
Shift knob；Described video processing unit is provided with Computer Vision chip；
Described battery of lens unit includes the first battery of lens and the second battery of lens, described first saturating
Mirror group includes that lens and lens, described second battery of lens include lens and lens；In described
Sight glass distal end of catheter is provided with a transparent flat board protection quartz glass；First battery of lens
Between flat board protection quartz glass and the second battery of lens；First battery of lens and second saturating
It is provided with space between mirror group and between the first battery of lens and flat board protection quartz glass；
Described second battery of lens near-end is provided with crystal filter and cutoff filter,
And use medical grade high-temperature resistant epoxy epoxide resin by its close adhesion in endoscopic catheters
On wall.
Described image unit includes circuit board and circuit board, and circuit board upper surface disposes image
Sensor, lower surface is provided with electronic component, and circuit board upper surface is provided with electronic component,
Be parallel to each other between two circuit boards, distance d4 between the two at about 2.5mm,
Two circuit board cross-sectional are long-pending equal to or less than imageing sensor, the electricity of circuit board lower surface
Sub-element is directly connected to by transmission lead-in wire and imageing sensor；Circuit board both sides are provided with circle
Cylindrical groove, for going between by transmission；A described electronic component part is arranged on circuit
The lower surface of plate, a part is arranged on the upper surface of circuit board, signal and power line and connects
Circuit board lower surface electric connecting point and the electric connecting point of circuit board upper surface；Cable
In signal and power line connected by connecting line and circuit board, further pass through circuit board
On hole and circuit board, imageing sensor connect.
Described image unit middle plateform protection quartz glass thickness d1 is about 0.4mm, passes
Sensor thickness d 2 is about 1mm, and the thickness d 3 of circuit board is at about 0.5mm, circuit board
Being 2.5mm with the spacing of circuit board, whole image unit thickness is 5mm.
Described lighting unit employing miniature patch formula LED is as lighting source, including dipped beam
LED group and distance light LED group, be symmetrically distributed in endoscopic system both sides foremost.
Described dipped beam LED group and distance light LED group are arranged on copper base.
Described dipped beam LED group and distance light LED group all cover layer of transparent flat board protection glass
Glass.
Present invention advantage compared with prior art is: the present invention is compared with prior art
Advantage is: the endoscopic system of the present invention can carry out sterilization treatment by High Temperature High Pressure,
Achieve reusing of endoscopic system, reduce the cost of endoscope, simple to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the cross sectional representation that battery of lens unit amplifies.
Fig. 3 is the longitudinal cross-section schematic diagram that image unit amplifies.
Fig. 4 is the cross sectional representation that image unit uses one piece of circuit board.
Fig. 5 is the cross sectional representation that image unit uses two pieces of circuit boards.
Fig. 6 is the structural representation of lighting unit.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail.
As it is shown in figure 1, a kind of medical endoscope that may be repeated autoclave sterilization,
Described endoscope 1 includes lighting unit 3, battery of lens unit 4, image unit 5 and regarding
Frequently processing unit 6, described lighting unit 3, battery of lens unit 4 and image unit 5
In the far-end of endoscopic system 1, and existed by high temperature resistant level epoxy close adhesion
On the inwall of endoscopic catheters 2, described epoxy is able to ensure that at High Temperature High Pressure
Will not melt during reason and the problem of fuzzy camera lens so that the imaging of endoscopic system 1
Definition and stability are unaffected；Endoscopic system 1 near-end installs video processing unit
6, and it is provided with handle 11.It addition, the transmission lead-in wire 8 in described image unit 5 all makes
Wrapping up with a kind of shrinkproof thermoplastic elastic sleeve pipe, cable 7 also uses this kind of heat simultaneously
Plastic resilient sleeve pipe wraps up and extends to the near-end of video processing unit 6, prevents at high temperature
Autoclaving processing procedure is to signal transmssion line and the destruction of power line；Video processing unit
6 connect cable 12.Particularly, real-time operation when performing the operation for convenience, at handle
Being provided with several operation button 10 on 11, described button includes focus adjustment, white balance
And power switch button.Image information after processing further is by regarding in cable 12
Frequently holding wire exports outside high-clear display and carries out Real-time image display.Particularly, for
Under conditions of minimize endoscope diameter size, it is thus achieved that maximum detectivity and
Signal intensity, the present invention uses the ultra micro imageing sensor of up to 24,000,000 pixels to carry out
Opto-electronic conversion.And another key factor affecting image quality is at image reconstruction and image
Reason, to this end, the present invention selects the most special Computer Vision chip 9 image to receiving
Information processes, and described chip 9 includes software compatible system level wafer, it is provided that
The video H.265 encoded under up to 4K 30P resolution, or H.264 it is up to 4K
The image of 60P, the image sensor processor (ISP) of its latest generation and high speed
SLVDS/MIPI/HISPI supports the resolution interface of up to 640,000 picture element sensors, and
Staggered multiple-exposure, high wide dynamic range (HDR) process provide broader dynamically
Scope and image detail.
The medical endoscope system of prior art can not carry out the main of autoclave sterilization
One of reason is, under High Temperature High Pressure effect, binding agent thawing makes steam enter lens
Change its optical characteristics between group, thus reduce picture quality.Therefore in this respect
Design just becomes particularly important, and the present invention selects special epoxy to carry out Functional Unit
The reinforcing of part, is illustrated in figure 2 the cross-sectional view that battery of lens unit amplifies, battery of lens list
Unit 4 includes that the first battery of lens and the second battery of lens, described first battery of lens include lens
13 and 14, described second battery of lens includes lens 15 and 16.Said lens is arranged on
The far-end of the thin-walled endoscopic catheters 2 being made up of medical high temperature resistant rigid plastics, described interior
Sight glass conduit 2 far-end is provided with a transparent flat board protection quartz glass 19 and prevents
Mirror is scratched in operation and reduces the definition of camera lens.Flat board protection glass is positioned at
The far-end of the first battery of lens, the second battery of lens is positioned at the near-end of the first battery of lens.In order to protect
Card endoscopic system, after autoclave sterilization processes, still can be reused, this
Glass 19 and first protected by flat board by a kind of medical grade high-temperature resistant epoxy epoxide resin of bright use
Battery of lens 13 and 14 close adhesion on the inwall of endoscopic catheters 2, the second battery of lens
15 and 16 use a kind of high temperature resistant level epoxy close adhesion in endoscopic catheters 2
Inwall on, particularly, when the first epoxy only needs the solidification of 15-30 minute
Between can be achieved with close adhesion, and the second epoxy is little more than 12 for hardening time
Time, be conducive to faster hardening time setting up the permanent focus characteristics needed.Two kinds of epoxies
Base resin at a temperature of 265 °F in 15 minutes, can keep its structural and optical characteristic,
This kind of characteristic makes endoscopic system process (265 °F of temperature through multiple high temp autoclaving
Spend lower 15 minutes) after, still can reuse, but be experimentally confirmed,
After 12～15 autoclave sterilizations process, the optical characteristics of above-mentioned epoxy
Can be impaired, endoscopic system can not re-use.In order to stop the generation of aberration, battery of lens
Between and battery of lens and flat board protection glass between to have enough spaces.Further for
Improving optical quality, the second battery of lens near-end is provided with crystal filter 17 and infrared section
Only optical filter 18, and use medical grade high-temperature resistant epoxy epoxide resin its close adhesion to be existed
On endoscopic catheters inwall.Described crystal filter 17 can change irradiated object reflection
The spectral intensity distribution of light, thus can receive in required width range as required
Spectrum, and infrared by optical filter 18 can effectively suppress higher than imageing sensor space frequency
The light wave of rate is by the ripple disturbance caused.
It is the longitdinal cross-section diagram of image unit 5 amplification of the embodiment of the present invention described in Fig. 3,
Present invention uses the circuit board of two pieces, circuit board 21 upper surface disposes imageing sensor
20, lower surface is provided with electronic component 27, and circuit board 29 upper surface is provided with electronics unit
Part 27, is parallel to each other between two circuit boards, and distance d4 between the two is at 2.5mm
Left and right, two circuit board cross-sectional are long-pending equal to or less than imageing sensor 20, and and pass
Sensor has equal thermal coefficient of expansion.The electronic component 27 of circuit board 21 lower surface leads to
Cross transmission lead-in wire 22 and imageing sensor 20 is directly connected to.Circuit board 21 both sides are provided with
Cylinder shape groove 23, for by transmission lead-in wire 22.Described electronic component 27 part
Being arranged on the lower surface of circuit board 21, a part of electronic component 27 is arranged on circuit board
The upper surface of 29, signal and power line 26 are connected to circuit board 21 lower surface and electrically connect
Contact 24 and the electric connecting point 25 of circuit board 29 upper surface, thus realize two electricity
The electrical connection of road plate.Signal and power line 28 in cable 7 pass through connecting line 30 He
Circuit board 29 connects, and further passs through the hole on circuit board 29 and circuit board 21, figure
As sensor 20 connects.Described circuit board can include power supply further and be wirelessly transferred
Device, the letter that thus will can be received from imageing sensor by the form being wirelessly transferred
Number it is sent to video processing unit 6, simultaneously also without power line by sensor and circuit
Plate and external power source are connected to external power source.Described image unit 5 middle plateform protection quartz
Glass 19 thickness d 1 is about 0.4mm, and sensor 20 thickness d 2 is about 1mm, circuit
Plate 21 thickness d 3 is at about 0.5mm, and two circuit board spacings are 2.5mm, whole takes the photograph
As element thickness is at about 5mm.
Particularly, whole image unit 5 is encapsulated in a thin-wall stainless steel shell 31,
Use shrinkproof thermoplastic elastic sleeve pipe all transmission lead-in wires and cable to be wrapped up, enter one
Walk in order to avoid autoclave sterilization processes the electricity on imageing sensor 20 and circuit board
The impact of sub-element, smears one layer of heat-barrier material in the enclosure on wall.Shell 31 simultaneously
Front end use transparent quartz protection glass so that the impregnable entrance of incident optical energy
In imageing sensor.
Image unit 5 of the present invention uses two pieces of parallel circuit boards and uses one piece of circuit board
Compare and more can reduce endoscopic system distal diameter size further, be illustrated in figure 4 and take the photograph
As unit uses the cross sectional representation of one piece of circuit board, imageing sensor 20 is positioned at electricity
The upper surface of road plate 21, electronic component 27 is all welded on the lower surface of circuit board 21,
But it is too much to be because electronic component so that the area of circuit board 21 is more than sensor 20
Area.Fig. 5 is the cross sectional representation using two pieces of circuit boards.Circuit board 21 and 29
It is placed in parallel, compares with Fig. 4, although because the existence of two circuit boards, increase and take the photograph
As the thickness of unit, but two pieces of circuit boards can make electronic component have the cloth of abundance to be empty
Between so that the area of circuit board is equal to or less than the area of imageing sensor 20.
Fig. 6 is lighting unit 3 schematic diagram of a certain specific embodiment of the present invention.Use
Be miniature patch formula LED as lighting source, 6 LED are uniformly and symmetrically distributed and peep interior
Mirror system 2 both sides foremost, wherein 3 LED 32 form low beam light source, 3
LED 33 forms high-beam light source, and the cooperation of distance-light can realize the sight of bigger angular field of view
Survey.In view of the heat radiation of LED, dipped beam LED group and distance light LED group are arranged on cuprio
On plate 34, to accelerate the heat conduction of LED light source, cover layer of transparent to LED further
Flat board protection glass 35, to protect LED.
Can be carried out at sterilizing by High Temperature High Pressure by the endoscopic system of above-mentioned design
Reason, it is achieved that reusing of endoscopic system, reduces the cost of endoscope, meanwhile,
The a lot of part of endoscopic system of present invention design still uses the biography that prior art manufactures
The configuration of system endoscopic system and parts, be so not required to for Phys&Surg
Carry out special training can operate, reduce operation easier.
The foregoing is only embodiments of the invention, not thereby limit the patent of the present invention
Scope, every equivalent structure utilizing description of the invention and accompanying drawing content to be made or equivalence
Flow process converts, or is directly or indirectly used in other relevant technical fields, the most in like manner wraps
Include in the scope of patent protection of the present invention.
Claims (6)
1. may be repeated a medical endoscope for autoclave sterilization, its feature exists
In: described endoscope (1) includes thin-walled endoscopic catheters (2), lighting unit (3),
Battery of lens unit (4), image unit (5) and video processing unit (6), described photograph
Bright unit (3), battery of lens unit (4) and image unit (5) are positioned at thin-walled endoscope
The far-end of conduit (2), and peeped interior by high temperature resistant level epoxy close adhesion
On the inwall of mirror conduit (2)；Thin-walled endoscopic catheters (2) near-end installs Video processing
Unit (6), and it is provided with handle (11), the transmission lead-in wire in described image unit (5)
(8) wrapped up by thermoplastic elastic sleeve pipe with cable (7) and extend to Video processing list
The near-end of unit (6), video processing unit (6) connects cable (12)；Described handle
(11) being provided with several operation button (10) on, described button (10) includes focusing on
Regulation, white balance and power switch button；Described video processing unit (6) is provided with
Computer Vision chip (9)；
Described battery of lens unit (4) includes the first battery of lens and the second battery of lens, described
First battery of lens includes lens (13) and lens (14), and described second battery of lens includes
Lens (15) and lens (16)；Described endoscopic catheters (2) far-end is provided with one
Transparent flat board protection quartz glass (19)；First battery of lens is positioned at flat board protection quartz
Between glass (19) and the second battery of lens；Between first battery of lens and the second battery of lens with
And first be provided with space between battery of lens and flat board protection quartz glass (19)；
Described second battery of lens near-end is provided with crystal filter (17) and IR-cut filter
Mating plate (18), and use medical grade high-temperature resistant epoxy epoxide resin by including its close adhesion
On sight glass conduit (2) inwall.
A kind of autoclave sterilization of may be repeated the most according to claim 1
Medical endoscope, it is characterised in that: described image unit (5) includes circuit board (21)
With circuit board (29), circuit board (21) upper surface disposes imageing sensor (20), under
Surface is provided with electronic component (27), and circuit board (29) upper surface is provided with electronics unit
Part (27), is parallel to each other between two circuit boards, and distance d4 between the two is at 2.5mm
Left and right, two circuit board cross-sectional are long-pending equal to or less than imageing sensor (20), circuit
The electronic component (27) of plate (21) lower surface is passed by transmission lead-in wire (22) and image
Sensor (20) is directly connected to；Circuit board (21) both sides are provided with cylinder shape groove (23),
For by transmission lead-in wire (22)；Described electronic component (27) part is arranged on electricity
The lower surface of road plate (21), a part is arranged on the upper surface of circuit board (29), letter
Number and power line (26) be connected to circuit board (21) lower surface electric connecting point (24)
Electric connecting point (25) with circuit board (29) upper surface；Signal in cable (7)
And power line (28) is connected, further by connecting line (30) and circuit board (29)
Connect through the hole on circuit board (29) and circuit board (21), imageing sensor (20)
Connect.
A kind of autoclave sterilization of may be repeated the most according to claim 1
Medical endoscope, it is characterised in that: described image unit (5) middle plateform protection quartz
Glass (19) thickness d 1 is about 0.4mm, and sensor (20) thickness d 2 is about 1mm,
The thickness d 3 of circuit board (21) is at about 0.5mm, circuit board (21) and circuit board
(29) spacing is 2.5mm, and whole image unit (5) thickness is 5mm.
A kind of autoclave sterilization of may be repeated the most according to claim 1
Medical endoscope, it is characterised in that: described lighting unit (3) uses miniature patch formula
LED is as lighting source, including dipped beam LED group (32) and distance light LED group (33),
It is symmetrically distributed in endoscopic system (2) both sides foremost.
A kind of autoclave sterilization of may be repeated the most according to claim 4
Medical endoscope, it is characterised in that: described dipped beam LED group (32) and distance light LED group
(33) it is arranged on copper base (34).
A kind of autoclave sterilization of may be repeated the most according to claim 5
Medical endoscope, it is characterised in that: described dipped beam LED group (32) and distance light LED group
(33) layer of transparent flat board protection glass (35) is all covered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257387.3A CN106264428A (en) | 2015-05-20 | 2015-05-20 | A kind of medical endoscope that may be repeated autoclave sterilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257387.3A CN106264428A (en) | 2015-05-20 | 2015-05-20 | A kind of medical endoscope that may be repeated autoclave sterilization |
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| CN106264428A true CN106264428A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510257387.3A Pending CN106264428A (en) | 2015-05-20 | 2015-05-20 | A kind of medical endoscope that may be repeated autoclave sterilization |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589538A (en) * | 2017-10-31 | 2018-01-16 | 上海视介光电科技有限公司 | A kind of endoscope lens |
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Effective date of registration: 20170509 Address after: 315301, Zhejiang, Cixi emerging industrial clusters, Han Han street, No. 1 emerging Road Applicant after: Sainuo micro medical technology (Zhejiang) Co., Ltd. Address before: 100012 Beijing city Chaoyang District Laiguangying village red army barracks Road No. 22 Building No. 1 Room 301 Applicant before: SINOMED MEDICAL TECHNOLOGY (BEIJING) CO., LTD. |
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