CN107242849B - Endoscope perfusion device - Google Patents
Endoscope perfusion device Download PDFInfo
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- CN107242849B CN107242849B CN201710288668.4A CN201710288668A CN107242849B CN 107242849 B CN107242849 B CN 107242849B CN 201710288668 A CN201710288668 A CN 201710288668A CN 107242849 B CN107242849 B CN 107242849B
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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
- A61B1/12—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
- A61B1/121—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 provided with means for cleaning post-use
- A61B1/123—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 provided with means for cleaning post-use using washing machines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/70—Cleaning devices specially adapted for surgical instruments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0326—Using pulsations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/70—Cleaning devices specially adapted for surgical instruments
- A61B2090/701—Cleaning devices specially adapted for surgical instruments for flexible tubular instruments, e.g. endoscopes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Radiology & Medical Imaging (AREA)
- Mechanical Engineering (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a kind of endoscope perfusion devices, the first half-duplex channel and the second half-duplex channel are arranged side by side on the valve body of check valve, the front end of half-duplex channel is liquid outlet, rear end is to pump mouth, the liquid outlet of first half-duplex channel is connect by the first hose with pipe fitting is attracted, the liquid outlet of second half-duplex channel is connect by the second hose with gas connection, and the mouth of pumping of one of half-duplex channel is connected with syringe;The first steel ball of plugging action is housed in the inside of each half-duplex channel front end, the lower section in the middle part of each half-duplex channel is respectively arranged with connector, and the upper hole of connector centre bore has been provided with the second steel ball of plugging action;Two connectors pass through third hose respectively and the 4th hose is connect with filter assemblies.The configuration of the present invention is simple, assembling are easy, and can be realized the craft cleaning to endoscope, and clean thoroughly, and cleaning efficiency is high, simple, convenient, can effectively avoid the impurity in cleaning solution from entering in endoscope.
Description
Technical field
The invention belongs to the field of medical instrument technology, specifically, in particular to a kind of endoscope perfusion device.
Background technique
Currently, it is international some national in the disinfection and sterilizing problem to soft endoscope, using the trendy of purchase
Endoscope automatic rinser can after cleaning sterilize automatically to endoscope.According to statistics, as long as one patient 5 of endoscopy
Minute, the time of a piece scope standard of machine processing needs 25-35 minutes, for many hospitals, daily in face of a large amount of
When endoscopy case, all with cleaning machine automatic processing, scope not enough has enough to meet the need at all, needs manually to clean and carries out
Cooperation.And in view of the price problem of endoscope automatic rinser, in many small-middle hospitals certainly even without mating endoscope
Dynamic cleaning machine.Therefore, the mode of traditional artificial cleaning and sterilizing endoscope is still that can not abandon.Either handles or make by hand
With washing and disinfecting machine, thoroughly cleaning is that endoscopy disinfection is successfully crucial and basic to the first step by hand.Although current industry mark
Standard is recommended to use cleaning-sterlizing machine for endoscope, but emphasizes that the manual cleaning step before machine washing cannot be saved.
Artificial quantity can be reduced with endoscope cleaning disinfectant, reduce disinfectant exposure duration, realization cleaning and sterilizing mistake
Journey standardization, but there are not easy to clean at high cost, tiny duct disinfection, cleaning and sterilizing it is overall the time required to it is long the disadvantages of.Row
Although industry standard is recommended to use endoscope cleaning disinfectant, but emphasize that the manual cleaning step before machine washing cannot be saved.With it is automatic
In comparison, artificial cleaning and sterilizing is short not by influence of hydraulic pressure there are the time for cleaning and sterilizing;Cleaning, the advantages that disinfection cost is cheap.
Therefore, a kind of easy to operate, high reliablity and cheap artificial cleaning endoscope apparatus seems very necessary is designed.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of endoscope perfusions
Device.
Technical solution of the present invention is as follows: a kind of endoscope perfusion device, it is characterised in that: set side by side on the valve body of check valve
The first half-duplex channel and the second half-duplex channel are set, the inner hole of each half-duplex channel is the step-like of big at both ends and small in middle, and unidirectional
The front end in channel is liquid outlet, and rear end is to pump mouth, and the liquid outlet of the first half-duplex channel by the first hose and attracts pipe fitting
The liquid outlet of connection, the second half-duplex channel is connect by the second hose with gas connection, and one of half-duplex channel pumps mouth
It is connected with syringe;The first steel ball of plugging action has been housed in the inside of each half-duplex channel front end, the first steel ball forward by
Retainer ring spacing, the lower section in the middle part of each half-duplex channel are respectively arranged with connector, and the centre bore of the connector is up big and down small rank
Terraced hole, the centre bore of connector is connected to the inner hole of corresponding half-duplex channel, and the upper hole of connector centre bore has been provided with
Second steel ball of plugging action;Two connectors pass through third hose respectively and the 4th hose is connect with filter assemblies.
Above technical scheme is used, in use, the suction port of pipe fitting and endoscope is attracted to connect, gas connection is peeped with interior
The air inlet of mirror connects, and filter assemblies are placed in soda liquor container.When the injection port of syringe connects the pumping in the first half-duplex channel
When sending mouthful, the piston rod of syringe is pulled, due to gas pressure, it is upward that the first half-duplex channel is correspondingly connected with the second steel ball in head
Movement, is connected the centre bore of the connector, and the first steel ball in the first half-duplex channel moves backward, and it is unidirectional will to lead to first
The access of channel liquid outlet blocks, and cleaning solution is by entering syringe through third hose after filtering in container;Push the work of syringe
Stopper rod, due to hydraulic action, the second steel ball blocks the centre bore of connector, and the first steel ball travels forward to open and leads to first
The access of half-duplex channel liquid outlet, cleaning solution reach liquid outlet, Jin Ertong via the pump orifice of the first half-duplex channel by syringe
The suction port that the first hose flows to endoscope light guide section is crossed, constantly push-and-pull syringe piston rod, cleaning solution is continuously by holding
Device flows to the suction port of endoscope light guide section through check valve, to achieve the purpose that cleaning attracts, clamps road pipeline.When syringe
Injection port connects in the pump orifice of the second half-duplex channel, and principle is identical with the above process, and cleaning solution is endlessly by container flow
To the air inlet of endoscope light guide section, to achieve the purpose that ejected wash water air pipe.The present invention can be realized the hand to endoscope
Work cleaning, and clean thoroughly, easy to operate, cleaning efficiency is high;One-way valve structures are simple, compact, and compact not only organizes dressing
Easily, production cost is low, and good reliability.
Embedded with the first seal pipe matched with the first steel ball in the half-duplex channel, the first seal pipe is located at first
The rear of steel ball, embedded with the second seal pipe matched with the second steel ball in connector, the second seal pipe is located at the second steel
The lower section of pearl.Seal pipe and steel ball cooperate, when steel ball touches seal pipe, seal pipe deformation, it can be ensured that block logical
The sealing effect in road.
For the ease of selection and installation, guarantee the fixing of seal pipe connection, first seal pipe and the second seal pipe
It is thin-walled polyfluortetraethylene pipe, the first seal pipe and the second seal pipe pass through interference fit or viscose glue is fixed.
For the ease of installation, guarantee the sealing between retaining ring and the fixing and connector and valve body of connector installation
Property, the retaining ring is by being threadedly engaged or viscose glue is fixed, and the upper end of the connector is protruded into valve body, and the two is threadedly engaged or glues
Glue is fixed, and seal washer is provided between connector and valve body.
For the ease of the injection port insertion of syringe and good seal, the inner wall for pumping mouth is pre-small post-large circular cone
Face, taper is less than 2 °.
The filter assemblies have filtrate housing, and the inner cavity of filtrate housing penetrates through its bottom surface, in the inner roof wall of filtrate housing
Upper installation gauze, the top of filtrate housing, which is mounted side by side first and connects column and second, connects column, and it is hollow structure that the two, which connect column, and
The inner hole for respectively connecing column is connected to the inner cavity of filtrate housing, and described first connects column connect with third hose, and second connects column and the 4th
Hose connection.The above structured filter component components are few, are easily assembled to, production cost is low;Gauze can will be in soda liquor container
Impurity filter out, prevent impurity from entering endoscope suction pipeline or aqueous vapor pipeline, ensure that cleaning effect.
In order to keep gauze installation firm, pressing ring is facilitated to dismount, and do not influence the filtration of gauze, in the filter housing
Pressing ring is installed in the inner cavity of body, which compresses the edge of gauze, and pressing ring and filtrate housing are threadedly engaged or pass through viscose glue
It is fixed.
The above structural modeling is simple, and processing and fabricating is easy;When filtrate housing bottom is attached to soda liquor container bottom, pass through
Circular hole on all side walls can normally intake, to ensure that cleaning process is not interrupted.The filtrate housing is circle, in filtrate housing
All side walls on be provided with it is multiple by even circumferential be distributed circular holes.
It is tightly combined to make to connect column with filtrate housing, it is firm to connect, and described first, which connects column and second, meets the installation side of column
Formula is identical, and the lower end for respectively connecing column is protruded into filtrate housing, and the two is threadedly engaged or viscose glue is fixed, connect annular convex platform in the middle part of column with
Top boss fitting on filtrate housing top surface.
In order to facilitate selection, it is ensured that the structural strength having enough, to avoid being damaged, the gauze is made of steel disc,
Aperture is uniformly densely covered on steel disc.
The utility model has the advantages that the configuration of the present invention is simple, assembling is easy, and can be realized the craft cleaning to endoscope, and clean thorough
Bottom, cleaning efficiency is high, simple, convenient, can effectively avoid the impurity in cleaning solution from entering in endoscope.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is perspective view of the invention.
Fig. 3 is the perspective view of check valve.
Fig. 4 is the arrangement schematic diagram of two half-duplex channels of check valve.
Fig. 5 is the arrangement schematic diagram of two connectors of check valve.
Fig. 6 is the structural schematic diagram of filter assemblies.
Fig. 7 is the cross-sectional view of filter assemblies.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, it is single to be arranged first in a manner of controlling side by side on the valve body of check valve 1
To channel 2 and the second half-duplex channel 3, the first half-duplex channel 2 is parallel to the second half-duplex channel 3, and entire valve body 1 is similar to " H " shape.
First half-duplex channel 2 and the second half-duplex channel 3 are straight pipe structure, and the inner hole of each half-duplex channel is big at both ends and small in middle
It is step-like, and the front end of half-duplex channel is liquid outlet A, rear end is to pump a mouthful B.The liquid outlet A of first half-duplex channel 2 passes through first
Hose 11 is connect with pipe fitting 12 is attracted, and the liquid outlet A of the second half-duplex channel 3 is connected by the second hose 13 with gas connection 14
It connects.The inner wall for pumping mouthful B is pre-small post-large circular conical surface, and less than 2 °, mouthful B that pumps of one of half-duplex channel is connected with taper
The injection port insertion of syringe 15, the syringe 15 is pumped in mouthful B.
As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, the first steel ball 4, the first steel ball 4 are housed in the inside of each half-duplex channel front end
The front port in the half-duplex channel middle section can be blocked.It is embedded with and 4 phase of the first steel ball in the inside in each half-duplex channel middle section
First seal pipe 8 of cooperation, the first seal pipe 8 are located at the rear of the first steel ball 4, and the first seal pipe 8 is preferably thin-walled polytetrafluoro
Ethylene tube, the first seal pipe 8 are fixed by interference fit or viscose glue.First steel ball 4 is limited by retaining ring 5 forward, and retaining ring 5 passes through spiral shell
Line cooperation or viscose glue are fixed in the liquid outlet A of half-duplex channel.
As shown in figure 3, figure 4 and figure 5, the lower section in the middle part of each half-duplex channel is respectively arranged with connector 6, the connector 6 it is upper
End is protruded into valve body 1, and the two is threadedly engaged or viscose glue is fixed, and seal washer 10 is provided between connector 6 and valve body 1.Even
The centre bore of connector 6 is up big and down small stepped hole, and the centre bore of connector 6 is connected to the inner hole of corresponding half-duplex channel, and
The upper hole of 6 centre bore of connector is provided with the second steel ball 7.Second steel ball 7 can seal the upper port of 6 lower section of connector
It is stifled.Embedded with the second seal pipe 9 matched with the second steel ball 7 in each connector 6, the second seal pipe 9 is located at the second steel
The lower section of pearl 7.Second seal pipe 9 is preferably thin-walled polyfluortetraethylene pipe, and the second seal pipe 9 is solid by interference fit or viscose glue
It is fixed.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 6, Fig. 7, filter assemblies are set in the lower section of check valve, the filter assemblies are by filtering
Shell 18, gauze 19, first connect column 20, second connect column 21 and pressing ring 22 etc. composition.Wherein, filtrate housing 18 is preferably circular,
The bottom surface of the inner cavity perforation filtrate housing 18 of the filtrate housing 18, is provided with multiple equal by circumference on all side walls of filtrate housing 18
The circular hole 23 of even distribution, determine according to actual needs, which can play to filtrate housing the size and number of circular hole 23
The effect of 18 inner cavity feed liquors.
As shown in Figure 6, Figure 7, gauze 19 is installed on the inner roof wall of filtrate housing 18, gauze 19 is preferably made of steel disc,
Aperture is uniformly densely covered on steel disc, shape, number and the size of aperture are determine according to actual needs.Certainly, as equivalent
Replacement, gauze 19 can also be made of other suitable material.Pressing ring 22, the pressing ring are installed in the inner cavity of filtrate housing 18
22 compress the edge of gauze 19, and pressing ring 22 is threadedly engaged with filtrate housing 18 or is fixed by viscose glue, and pressing ring 22 can also be adopted
It is connect with other suitable assembly method with filtrate housing 18.
As shown in Figure 6, Figure 7, column 20 and second being connect on the top of filtrate housing 18 arranged side by side first and connecing column 21, first connects
Column 20 and second the top that column 21 is located at gauze 19 is connect, it is hollow structure that the two, which connect column, and respectively connects the inner hole of column and mistake
The inner cavity of filter housing body 18 is connected to.First connect column 20 with second connect column 21 mounting means it is identical, filtering is protruded into the lower end for respectively connecing column
In shell 18, the two is threadedly engaged or viscose glue is fixed, and connects the annular convex platform in the middle part of column and the top on 18 top surface of filtrate housing is convex
Platform fitting.Certainly, different according to the material used, connecing column can also be fixed using other assembly methods and filtrate housing 18.The
One, which connects column 20, connect by third hose 16 with one of connector of check valve, second connect column 21 pass through the 4th hose 17 and
Another connector of check valve connects.
Working principle of the present invention is as follows:
Pipe fitting 12 is attracted to connect with the suction port 24 of endoscope P, gas connection 14 is connect with the air inlet 25 of endoscope,
The signal wire joint 26 of endoscope P need to be covered with tarpaulin, and water cylinder interface 27 also needs to use cap covers, and filter assemblies are placed in
In soda liquor container 28.When pumping mouthful B, syringe 15 is pulled in the first half-duplex channel 2 when the injection port of syringe 15 connects
Piston rod, due to gas pressure, the second steel ball 7 that the first half-duplex channel 2 is correspondingly connected in first 6 is moved upwards, and makes the connector
Centre bore conducting, and the first steel ball 4 in the first half-duplex channel 2 moves backward, will be towards the first half-duplex channel liquid outlet A's
Access blocks, and cleaning solution is by entering syringe 15 through third hose 16 after filter assemblies filtering in container 28;Push syringe 15
Piston rod, due to hydraulic action, the second steel ball 7 blocks the centre bore of connector, and the first steel ball 4 travel forward open it is logical
Toward the access of the first half-duplex channel liquid outlet, cleaning solution reaches out liquid via the pump orifice B of the first half-duplex channel by syringe 15
Mouth A, and then pass through the suction port that the first hose 11 flows to endoscope light guide section, constantly push and pull 15 piston rod of syringe, cleaning solution
The suction port of endoscope light guide section is continuously flowed to through check valve by container 28, attracts to reach cleaning, clamp road pipeline
Purpose.When the injection port of syringe 15 connects in the pump orifice of the second half-duplex channel 3, principle is identical with the above process, cleaning
Liquid is endlessly from container flow to the air inlet of endoscope light guide section, to achieve the purpose that ejected wash water air pipe.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of endoscope perfusion device, it is characterised in that: the first half-duplex channel (2) are arranged side by side on the valve body (1) of check valve
With the second half-duplex channel (3), first half-duplex channel (2) and second half-duplex channel (3) inner hole are the big centre in both ends
Small is step-like, and the front end of first half-duplex channel (2) and second half-duplex channel (3) is liquid outlet (A), and rear end is
It pumps mouth (B), the liquid outlet (A) of the first half-duplex channel (2) is connect by the first hose (11) with pipe fitting (12) are attracted, and second
The liquid outlet (A) of half-duplex channel (3) is connect by the second hose (13) with gas connection (14), first half-duplex channel (2)
Or second the mouth (B) of pumping of half-duplex channel (3) be connected with syringe (15);In first half-duplex channel (2) and described second
The inside of half-duplex channel (3) front end has been equipped with the first steel ball (4) of plugging action, and the first steel ball (4) is limited by retaining ring (5) forward
Position, the lower section in the middle part of first half-duplex channel (2) and second half-duplex channel (3) is respectively arranged with connector (6), the connection
The centre bore of head (6) is up big and down small stepped hole, and the centre bore of connector (6) is connected to the inner hole of corresponding half-duplex channel, and
And the upper hole of connector (6) centre bore has been provided with the second steel ball (7) of plugging action;Two connectors (6) pass through respectively
Third hose (16) and the 4th hose (17) are connect with filter assemblies.
2. endoscope perfusion device as described in claim 1, it is characterised in that: in first half-duplex channel (2) and described
Embedded with the first seal pipe (8) matched with the first steel ball (4) in two half-duplex channels (3), the first seal pipe (8) is located at first
The rear of steel ball (4), embedded with the second seal pipe (9) matched with the second steel ball (7), the second sealing in connector (6)
Pipe (9) is located at the lower section of the second steel ball (7).
3. endoscope perfusion device as claimed in claim 2, it is characterised in that: first seal pipe (8) and the second seal pipe
It (9) is thin-walled polyfluortetraethylene pipe, the first seal pipe (8) and the second seal pipe (9) are fixed by interference fit or viscose glue.
4. the endoscope perfusion device as described in claims 1 or 2 or 3, it is characterised in that: the retaining ring (5) is by being threadedly engaged
Or viscose glue is fixed, the upper end of the connector (6) is protruded into valve body (1), and the two is threadedly engaged or viscose glue is fixed, in connector
(6) it is provided between valve body (1) seal washer (10).
5. endoscope perfusion device as described in claim 1, it is characterised in that: the inner wall for pumping mouth (B) is pre-small post-large
Circular conical surface, taper is less than 2 °.
6. the endoscope perfusion device as described in claims 1 or 2 or 3 or 5, it is characterised in that: the filter assemblies have filtering
The inner cavity of shell (18), filtrate housing (18) penetrates through its bottom surface, installs gauze (19) on the inner roof wall of filtrate housing (18), mistake
The top of filter housing body (18), which is mounted side by side first and connects column (20) and second, to be connect column (21), and described first connects column (20) and described second
Connecing column (21) is hollow structure, and described first connects column (20) and described second and connect the inner hole of column (21) and filtrate housing
(18) inner cavity connection, described first connects column (20) connect with third hose (16), and second connects column (21) and the 4th hose (17)
Connection.
7. endoscope perfusion device as claimed in claim 6, it is characterised in that: installed in the inner cavity of the filtrate housing (18)
Pressing ring (22), which compresses the edge of gauze (19), and pressing ring (22) is threadedly engaged or leads to filtrate housing (18)
Viscose glue is crossed to fix.
8. endoscope perfusion device as claimed in claim 6, it is characterised in that: the filtrate housing (18) is circle, is being filtered
Multiple circular holes (23) being distributed by even circumferential are provided on all side walls of shell (18).
9. endoscope perfusion device as claimed in claim 6, it is characterised in that: described first, which connects column (20) and second, connects column (21)
Mounting means it is identical, described first connect column (20) and described second connect column (21) lower end protrude into filtrate housing (18), two
Person is threadedly engaged or viscose glue is fixed, and connects the annular convex platform in the middle part of column and is bonded with the top boss on filtrate housing (18) top surface.
10. the endoscope perfusion device as described in claim 7 or 8 or 9, it is characterised in that: the gauze (19) is made of steel disc,
Aperture is uniformly densely covered on steel disc.
Priority Applications (1)
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CN201710288668.4A CN107242849B (en) | 2017-04-27 | 2017-04-27 | Endoscope perfusion device |
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CN201710288668.4A CN107242849B (en) | 2017-04-27 | 2017-04-27 | Endoscope perfusion device |
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CN107242849B true CN107242849B (en) | 2019-04-23 |
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JPH08550A (en) * | 1994-06-20 | 1996-01-09 | Fuji Photo Optical Co Ltd | Check valve for endoscope |
JPH1052398A (en) * | 1996-08-09 | 1998-02-24 | Fuji Photo Optical Co Ltd | Check valve for endoscope |
CN201005667Y (en) * | 2007-03-28 | 2008-01-16 | 虞海峰 | Ureter mirror flusher |
CN202446122U (en) * | 2012-02-24 | 2012-09-26 | 中国人民解放军第三军医大学第三附属医院 | Adjustable negative water conveying perfusion device for ultrasonic endoscope |
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2017
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US3883431A (en) * | 1973-04-25 | 1975-05-13 | Daicel Ltd | Cleaning apparatus |
US5277248A (en) * | 1992-05-19 | 1994-01-11 | B And E Manufacturing & Supply Co. | Ball valve type injector and catcher apparatus with adjustable flow control for catching and retrieving paraffin cutting balls |
JPH08550A (en) * | 1994-06-20 | 1996-01-09 | Fuji Photo Optical Co Ltd | Check valve for endoscope |
JPH1052398A (en) * | 1996-08-09 | 1998-02-24 | Fuji Photo Optical Co Ltd | Check valve for endoscope |
CN201005667Y (en) * | 2007-03-28 | 2008-01-16 | 虞海峰 | Ureter mirror flusher |
CN202446122U (en) * | 2012-02-24 | 2012-09-26 | 中国人民解放军第三军医大学第三附属医院 | Adjustable negative water conveying perfusion device for ultrasonic endoscope |
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