CN207886188U - A kind of endoscope Attraction structure - Google Patents
A kind of endoscope Attraction structure Download PDFInfo
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- CN207886188U CN207886188U CN201720792989.3U CN201720792989U CN207886188U CN 207886188 U CN207886188 U CN 207886188U CN 201720792989 U CN201720792989 U CN 201720792989U CN 207886188 U CN207886188 U CN 207886188U
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Abstract
The utility model is related to a kind of endoscope Attraction structures, it includes button assembly, bonnet component, attract spool and cavity, the upper portion side wall for attracting spool offers annular groove and the radial through-hole below the annular groove, attraction sealing ring is provided in the annular groove, the aspirating valve in-core offers the axially extending bore through bottom surface, the axially extending bore is penetrated through with the radial through-hole, when button assembly is not pressed, inner space of the gap of button assembly and bonnet inter-module successively through bonnet component, radial through-hole, axially extending bore, central through hole to the second curved tube connector forms a gas channel；Button assembly be pressed under when, the first curved tube connector forms another gas channel through radial through-hole, axially extending bore, central through hole to the second curved tube connector successively.This programme solves the problems, such as that there are gaps to influence attraction effect due to attracting the channel of button interior and mirror body exterior space during attracting.
Description
Technical field
The utility model is related to endoscopes, and in particular to a kind of endoscope Attraction structure.
Background technology
With the progress of medical science, endoscopic technique is in overall application to each subject of clinical treatment, mesh
The suction pipeline being connected to the suction port of the front end face is equipped in the insertion section of the endoscope of preceding usual operation, suction device is made
With being to be connected to suction pipeline and external negative pressure source pipeline, negative pressure source includes suction pump, Negative pressure machine etc., and pressing operation is inhaled when operation
The button of leading-in device attracts suction port suction port with negative pressure source pipeline connection, can be by internal pathological tissues
Body fluid and excision pathological tissues be sucked out, when releasing pressing operation, the connection of suction pipeline and negative pressure source pipeline is cut
Break and stops the attraction from suction port.Attraction button in endoscopic procedure portion is mainly used for controlling the suction function of head end,
The switching realized the attraction to patient's body liquid, clast or gas or do not attracted.
Existing part endoscope Attraction structure form is as described in the patent of 08577321 B2 of application number US, nature
Gas in lower air is by attracting button duct to flow to suction pump, when attracting button to be pressed, attracts button interior and mirror
The channel of body exterior space is isolated, and the channel between suction pump and head end is opened, and realizes and attracts effect, can be used for removing patient
Internal liquid, clast or gas.But in the structure type described in the patent document, when attracting button to be pressed, attraction is pressed
There is also small gaps with the channel of mirror body exterior space inside button, and not using the materials such as sealing ring to completely cut off blocking completely, this is logical
Road, the situation influence whether the attraction effect of head end.
Utility model content
In order to overcome above-mentioned defect existing in the prior art, the purpose of this utility model to be to provide a kind of endoscope attraction
Structure can solve during attracting due to attracting button interior and the channel of mirror body exterior space to influence to attract there are gap
The problem of effect.
To achieve the goals above, the utility model provides a kind of endoscope Attraction structure comprising button assembly, valve
Cap assembly attracts spool and cavity, the button assembly to be radially limited in the bonnet component, the top end part spiral shell of the cavity
Line is connected with a flange, the bonnet component and the detachable clamping of the flange, and the side wall of the cavity is equipped with the first curved tube
Connector, the bottom end of the cavity are equipped with the second curved tube connector, have in the cavity for the attraction poppet shaft to mobile
Central through hole, it is described to attract the top end part closing of spool and connect with button assembly.The upper portion side wall for attracting spool opens up
There are annular groove and the radial through-hole below the annular groove, attraction sealing ring, the attraction are provided in the annular groove
The axially extending bore through bottom surface is offered in spool, the axially extending bore is penetrated through with the radial through-hole so that：
When the button assembly is not pressed, the attraction sealing ring is located above the central through hole, button assembly with
Inner space of the gap of bonnet inter-module successively through bonnet component, radial through-hole, axially extending bore, central through hole to described second
Curved tube connector forms a gas channel, and the side wall closing barrier that the first curved tube connector is attracted spool is opened.
The button assembly be pressed under when, the sealing ring that draws is located inside in the central through hole by bonnet component
The barrier of space and radial through-hole is opened, and the first curved tube connector is successively through radial through-hole, axially extending bore, central through hole to described
Second curved tube connector forms another gas channel.
This programme attracts the setting of sealing ring, makes button assembly when pressed, attracts sealing ring that can block cavity
The upper port of central through hole, the sealing effect that this port can reach at this time so that the first curved tube connector to the second curved tube connects
The gas passage of interface becomes unique path, and from button assembly and bonnet component to the gas passage quilt of the central through hole of cavity
Barrier disconnects, and avoids attracting effect more since there are gas passages for attraction button interior and mirror body exterior space during attracting
It is good.
Further, the side wall of the relatively described first curved tube connector of the cavity radially offers pipe keyhole, described
Curved tube key is installed, the lateral wall for attracting spool to correspond to the curved tube key offers axial groove, curved tube in pipe keyhole
The tail portion of key, which is located in the groove, plays guide and limit.
When button assembly is inserted into cavity, the groove on spool is attracted to be aligned with curved tube key, it is bent when pressing button assembly
Guan Jian plays guide-localization to button assembly and stroke positions.
Further, the bonnet component includes attracting bonnet and the interior attraction bonnet gear being lining in the attraction bonnet
Circle, the attraction bonnet are silicone rubber material, in top end opening, the tubular structure of bottom end opening, the bottom end of the attraction bonnet
Equipped with clamping convex ribs, the flange corresponds to the clamping convex ribs and is equipped with the card slot to match；The attraction bonnet baffle ring is spacious in top
The tubular structure of mouth, bottom end opening, the bottom end opening of the attraction bonnet baffle ring extend inwardly to form the hat shape of top surface opening
The side wall of structure, the hat-shaped structure offers circular hole.
The button assembly includes attracting top cap, attracting bolt and spring, the attraction bolt is attracted to be located at the attraction
In top cap and head is connect with the top of top cap is attracted, and the bar portion of the attraction bolt offers internal thread hole；The attraction top cap
In the opening and the opening for attracting bonnet baffle ring top at aspirating valve crown end, the lateral wall of the attraction top cap
It is connect with the screw top for attracting spool with bonnet baffle ring clearance fit, the internal thread hole for attracting bolt is attracted, institute
It states and spring is attracted to be located in the space for attracting top cap and attraction bonnet baffle ring to surround, which is set in the bar for attracting bolt
Outside the hat-shaped structure of portion and attraction bonnet baffle ring.
When needing dismounting, first rotation attracts top cap, attracts bolt to rotate therewith, due to the positioning of groove and curved tube key
Effect, attract spool will not rotate, this makes it possible to by button assembly with attract spool be separated from, you can remove attract top cap with
Attract bolt, takes out and attract spring.If pulling up attraction bonnet again, you can take out and attract spool.Assemble inverted sequence.The chamber
Body can be installed on mirror body shell by flange.
Further, the quantity of the circular hole is four, and four circular holes are along the hat-shaped structure for attracting bonnet baffle ring
Side wall be circumferentially spacedly distributed, be conducive to gas channel it is unimpeded.
Further, the top end part of the central through hole of the cavity be chamfered at the conical surface, the conical surface rise be oriented to make
With, facilitate attract sealing ring come in and go out cavity central through hole.
The endoscope Attraction structure of the utility model, it is easy for installation, it is easily disassembled and with good attractions control imitate
Fruit.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination following accompanying drawings to embodiment
Become apparent and is readily appreciated that, wherein：
Fig. 1 is a kind of diagrammatic cross-section of endoscope Attraction structure of the utility model；
Fig. 2 is diagrammatic cross-section of the structure after button assembly is pressed shown in Fig. 1；
Fig. 3 is airflow direction schematic diagram of the structure when button assembly is not pressed shown in Fig. 1；
Fig. 4 is airflow direction schematic diagram of the structure when button assembly is pressed shown in Fig. 1；
Fig. 5 is the structural schematic diagram of the attraction spool in structure shown in Fig. 1；
Fig. 6 is the structural schematic diagram of the attraction bonnet baffle ring in structure shown in Fig. 1.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, can also be the company inside two elements
It is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can
To understand the concrete meaning of above-mentioned term as the case may be.
As shown in Figs. 1-2, the utility model proposes a kind of endoscope Attraction structures comprising button assembly, bonnet component,
Spool 8 and cavity 9, button assembly is attracted radially to be limited in bonnet component, the top end part of the cavity 9 is threaded with a method
The side wall of orchid 12, the bonnet component and 12 detachable clamping of the flange, cavity 9 is equipped with the first curved tube connector 9b, chamber
The bottom end of body 9 is equipped with the second curved tube connector 9c, there is the central through hole 9d for attracting spool 8 to move axially, aspirating valve in cavity 9
It closes and is connect with button assembly in the top end part of core 8.As shown in figure 5, attract spool 8 upper portion side wall offer annular groove 8d and
It is provided in radial through-hole 8c below annular groove 8d, annular groove 8d and attracts sealing ring 7, attracted to offer in spool 8 and pass through
The axially extending bore 8b of bottom surface is worn, axially extending bore 8b is penetrated through with radial through-hole 8c so that：
When button assembly is not pressed, sealing ring 7 is attracted to be located above central through hole 9d, button assembly and bonnet inter-module
Inner space of the gap successively through bonnet component, radial through-hole 8c, axially extending bore 8b, central through hole 9d to the second curved tube connect
Mouth 9c forms a gas channel (i.e. air-flow flows to C from A in Fig. 3), and the first curved tube connector 9b is attracted the side wall envelope of spool 8
Impatency separates.
Button assembly be pressed under when, draw sealing ring 7 and be located in central through hole 9d inner space and diameter by bonnet component
It is opened to through-hole 8c barriers, the first curved tube connector 9b is bent through radial through-hole 8c, axially extending bore 8b, central through hole 9d to second successively
Tube connection ports 9c forms another gas channel (i.e. air-flow flows to C from B in Fig. 4).
If being not provided with attracting sealing ring 7, when button assembly is pressed, attract the central through hole 9d of spool 8 and cavity 9
Between there are gap, gap influence whether attract effect.Since this programme attracts the setting of sealing ring 7, button assembly is made to exist
When being pressed, attract sealing ring 7 that can block the upper port of the central through hole 9d of cavity 9, this port can reach close at this time
Sealing effect so that the first curved tube connector 9b to the gas passage of the second curved tube connector 9c becomes unique path, and from button
The gas passage of component and bonnet component to the central through hole 9d of cavity 9 are blocked disconnection, avoid during attracting due to attracting
There are gas passages with mirror body exterior space for button interior.
Side wall of the cavity 9 with respect to the first curved tube connector 9b radially offers pipe keyhole 9e, is equipped in pipe keyhole 9e
Curved tube key 10 attracts the lateral wall that spool 8 corresponds to curved tube key 10 to offer axial groove 8a, and the tail portion of curved tube key 10 is located at should
Play guide and limit in groove 8a.
When button assembly being attracted to be inserted into cavity 9, attracts the groove 8a on 8 cylinder of spool to be aligned with curved tube key 10, press
When pressure attracts top cap 1, curved tube key 10 plays guide-localization to button assembly and stroke positions.
Preferably, bonnet component includes attracting bonnet 2 and the interior attraction bonnet baffle ring 3 being lining in the attraction bonnet 2, institute
It states and attracts bonnet 2 for silicone rubber material, in top end opening, the tubular structure of bottom end opening, the bottom end of the attraction bonnet 2 is equipped with
Convex ribs are clamped, the flange 12 corresponds to the clamping convex ribs and is equipped with the card slot to match, and clamping convex ribs are realized with card slot cooperation to be attracted
Bonnet 2 is flexible coupling with flange 12.Attracting bonnet baffle ring 3, open, bottom end opening tubular structure, the attraction bonnet are kept off in top
The bottom end opening of circle 3 extends inwardly to form the hat-shaped structure of top surface opening, and the side wall of hat-shaped structure offers circular hole 3a.
Button assembly include attract top cap 1, attract bolt 5 and attract spring 6, attract bolt 5 be located at attract top cap 1 in and
Head is connect with the top of top cap 1 is attracted, and the bar portion of the attraction bolt 5 offers internal thread hole；Top cap 1 is attracted to be located at aspirating valve
In the opening on 3 top of opening and attraction bonnet baffle ring on 2 top of cap, lateral wall and the attraction bonnet baffle ring 3 of the attraction top cap 1
Clearance fit attracts the internal thread hole of bolt 5 to be connect with the screw top of spool 8 is attracted, attracts spring 6 to be located at and attract top cap 1
In the space surrounded with attraction bonnet baffle ring 3, which is set in the bar portion for attracting bolt 5 and attracts bonnet baffle ring 3
Outside hat-shaped structure.
Airflow direction is as Figure 3-Figure 4, do not press attract top cap 1 state when, airflow direction as shown in figure 3, due to
11 direction of curved tube is connected to the suction pump for generating negative pressure, and air-flow is by A through the gap between attraction top cap 1 and attraction bonnet 2, aspirating valve
The circular hole 3a of 3 side wall of cap baffle ring, the radial through-hole 8c for attracting spool 8, axially extending bore 8b, the curved tube 2 11 for attracting spool 8, reach
C。
When attracting top cap 1 to be pressed, airflow direction as shown in figure 4, sealing ring 7 is attracted to block the upper port of cavity 9, this
When this port sealing effect that can reach, generate the suction pump of negative pressure since 11 direction of curved tube is connected to, air-flow is by B through curved tube one
4, attract the radial through-hole 8c of spool 8, attract axially extending bore 8b, the curved tube 2 11 of spool 8, reach C, can generate under this state
Attract effect.
When needing dismounting, first rotation attracts top cap 1, attracts bolt 5 to rotate therewith, due to groove 8a and curved tube key 10
Positioning action, attract spool 8 will not rotate, this makes it possible to by button assembly with attraction spool 8 be separated from, you can remove suction
Draw top cap 1 and attract bolt 5, takes out and attract spring 6.Attract bonnet 2 if pulled up again, you can take out and attract spool 8.Group is anti-loaded
Sequence.Curved tube 1, cavity 9, curved tube key 10 and curved tube 2 11 are welded into an entirety, and cavity 9 is installed to mirror by flange 12
On body shell body.
As the preferred embodiment of the present embodiment, the quantity of circular hole 3a is four, as shown in fig. 6, four circular hole 3a are along suction
The side wall for drawing the hat-shaped structure of bonnet baffle ring 3 is circumferentially spacedly distributed, and the number of circular hole 3a is conducive to depending on actual conditions
Gas channel it is unimpeded.
The top end part of the central through hole 9d of cavity 9 be chamfered at the conical surface, which play the guiding role, and facilitates attraction
The central through hole 9d of the discrepancy cavity of sealing ring 7.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiments or example.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that：
Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced
And modification, the scope of the utility model are limited by claim and its equivalent.
Claims (5)
1. a kind of endoscope Attraction structure, including button assembly, bonnet component, attraction spool (8) and cavity (9), the button
Component is radially limited in the bonnet component, and the top end part of the cavity (9) is threaded with a flange (12), the bonnet
The side wall of component and the flange (12) detachable clamping, the cavity (9) is equipped with the first curved tube connector (9b), the chamber
The bottom end of body (9) is equipped with the second curved tube connector (9c), has in the cavity (9) for attraction spool (8) axial movement
Central through hole (9d), it is described to attract the top end part closing of spool (8) and connect with button assembly, it is characterised in that：The attraction
The upper portion side wall of spool (8) offers annular groove (8d) and the radial through-hole (8c) below the annular groove (8d), described
It is provided in annular groove (8d) and attracts sealing ring (7), it is described to attract the axially extending bore offered in spool (8) through bottom surface
(8b), the axially extending bore (8b) penetrate through with the radial through-hole (8c) so that：
When the button assembly is not pressed, the attraction sealing ring (7) is located above the central through hole (9d), button assembly
Inner space, radial through-hole (8c) with the gap of bonnet inter-module successively through bonnet component, axially extending bore (8b), central through hole
(9d) forms a gas channel to the second curved tube connector (9c), and the first curved tube connector (9b) is attracted spool
(8) side wall closing barrier is opened；
The button assembly be pressed under when, the sealing ring (7) that draws is located at bonnet component in the central through hole (9d)
Inner space is opened with radial through-hole (8c) barrier, and the first curved tube connector (9b) is led to through radial through-hole (8c), axially successively
Hole (8b), central through hole (9d) to the second curved tube connector (9c) form another gas channel.
2. a kind of endoscope Attraction structure according to claim 1, it is characterised in that：The cavity (9) relatively described
The side wall of one curved tube connector (9b) radially offers pipe keyhole (9e), and curved tube key is equipped in the pipe keyhole (9e)
(10), the lateral wall for attracting the corresponding curved tube key (10) of spool (8) offers axial groove (8a), curved tube key (10)
Tail portion be located in the groove (8a) and play guide and limit.
3. a kind of endoscope Attraction structure according to claim 1 or 2, it is characterised in that：The bonnet component includes inhaling
Draw bonnet (2) and the interior attraction bonnet baffle ring (3) being lining in the attraction bonnet (2)；The attraction bonnet (2) is silicon rubber material
Matter, in top end opening, the tubular structure of bottom end opening, the bottom end of the attraction bonnet (2) is equipped with clamping convex ribs, the flange
(12) the corresponding clamping convex ribs are equipped with the card slot to match；It is described to attract bonnet baffle ring (3) in top opening, the cylinder of bottom end opening
Shape structure, the bottom end opening of the attraction bonnet baffle ring (3) extend inwardly to form the hat-shaped structure of top surface opening, the hat shape
The side wall of structure offers circular hole (3a)；
The button assembly includes attracting top cap (1), attracting bolt (5) and spring (6), the attraction bolt (5) is attracted to be located at
In the attraction top cap (1) and head is connect with the top of top cap (1) is attracted, and the bar portion of the attraction bolt (5) offers interior spiral shell
Pit；It is described that top cap (1) is attracted to be located at the opening for attracting bonnet (2) top and attraction bonnet baffle ring (3) top
Opening in, the lateral wall of the attraction top cap (1) with attract bonnet baffle ring (3) clearance fit, the interior spiral shell for attracting bolt (5)
Pit is connect with the screw top of the attraction spool (8), and the attraction spring (6), which is located at, attracts top cap (1) and attraction bonnet
In the space that baffle ring (3) surrounds, which is set in the bar portion for attracting bolt (5) and attracts the cap of bonnet baffle ring (3)
Outside shape structure.
4. a kind of endoscope Attraction structure according to claim 3, it is characterised in that：The quantity of the circular hole (3a) is four
A, which is circumferentially spacedly distributed along the side wall of the hat-shaped structure of the attraction bonnet baffle ring (3).
5. a kind of endoscope Attraction structure according to claim 4, it is characterised in that：The central through hole of the cavity (9)
The top end part of (9d) be chamfered at the conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720792989.3U CN207886188U (en) | 2017-07-03 | 2017-07-03 | A kind of endoscope Attraction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720792989.3U CN207886188U (en) | 2017-07-03 | 2017-07-03 | A kind of endoscope Attraction structure |
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| Publication Number | Publication Date |
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| CN207886188U true CN207886188U (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720792989.3U Active CN207886188U (en) | 2017-07-03 | 2017-07-03 | A kind of endoscope Attraction structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251050A (en) * | 2019-06-24 | 2019-09-20 | 珠海视新医用科技有限公司 | A kind of attraction seat and the endoscope including the attraction seat |
| CN110584584A (en) * | 2019-10-12 | 2019-12-20 | 内蒙古医科大学附属医院 | Portable cystoscope is used in urological department inspection |
| CN110584574A (en) * | 2019-09-17 | 2019-12-20 | 重庆金山医疗技术研究院有限公司 | Endoscope operation portion suction structure and endoscope |
| WO2022148381A1 (en) * | 2021-01-08 | 2022-07-14 | 北冰洋天诺贸易有限公司 | Suction valve and endoscope |
| CN115120167A (en) * | 2022-08-31 | 2022-09-30 | 苏州科沁微视医疗器械有限公司 | Medical endoscope |
| CN115486795A (en) * | 2022-11-22 | 2022-12-20 | 浙江华诺康科技有限公司 | Endoscope handle and suction valve |
-
2017
- 2017-07-03 CN CN201720792989.3U patent/CN207886188U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251050A (en) * | 2019-06-24 | 2019-09-20 | 珠海视新医用科技有限公司 | A kind of attraction seat and the endoscope including the attraction seat |
| CN110584574A (en) * | 2019-09-17 | 2019-12-20 | 重庆金山医疗技术研究院有限公司 | Endoscope operation portion suction structure and endoscope |
| CN110584574B (en) * | 2019-09-17 | 2022-04-29 | 重庆金山医疗技术研究院有限公司 | Endoscope operation portion suction structure and endoscope |
| CN110584584A (en) * | 2019-10-12 | 2019-12-20 | 内蒙古医科大学附属医院 | Portable cystoscope is used in urological department inspection |
| WO2022148381A1 (en) * | 2021-01-08 | 2022-07-14 | 北冰洋天诺贸易有限公司 | Suction valve and endoscope |
| CN115120167A (en) * | 2022-08-31 | 2022-09-30 | 苏州科沁微视医疗器械有限公司 | Medical endoscope |
| CN115486795A (en) * | 2022-11-22 | 2022-12-20 | 浙江华诺康科技有限公司 | Endoscope handle and suction valve |
| CN115486795B (en) * | 2022-11-22 | 2023-05-23 | 浙江华诺康科技有限公司 | Endoscope handle and suction valve |
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Effective date of registration: 20211013 Address after: 401120 1-1, 2-1, 3-1, building 5, No. 18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing Patentee after: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd. Address before: 401121 An office building in Jinshan International Industrial City, 18 Neixuan Avenue, Huixing Street, Yubei District, Chongqing Patentee before: CHONGQING JINSHAN MEDICAL APPLIANCE Co.,Ltd. |