CN206577170U - Depression drainage device - Google Patents
Depression drainage device Download PDFInfo
- Publication number
- CN206577170U CN206577170U CN201621219037.4U CN201621219037U CN206577170U CN 206577170 U CN206577170 U CN 206577170U CN 201621219037 U CN201621219037 U CN 201621219037U CN 206577170 U CN206577170 U CN 206577170U
- Authority
- CN
- China
- Prior art keywords
- tapping
- feed liquor
- valve
- negative pressure
- pressure ball
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a kind of depression drainage device, including negative pressure ball, the negative pressure ball includes liquid feeding end and tapping end, the liquid feeding end of the negative pressure ball is provided with drainage tube, the tapping end of the negative pressure ball is provided with liquid discharging tube, the drainage tube is provided with the feed liquor check valve realized by drainage tube to negative pressure ball one-way conduction, and the liquid discharging tube is provided with the tapping check valve realized by negative pressure ball to liquid discharging tube one-way conduction.Pass through such scheme, negative pressure ball produces lasting vacuum suction, and timely, efficient, the lasting drainage of energy sets feed liquor check valve at drainage tube, realize the one-way conduction by drainage tube to negative pressure ball, drainage-fluid adverse current is prevented, effectively prevents the adverse current of drainage-fluid from infecting, tapping check valve is set on liquid discharging tube, hand switch is substituted with tapping check valve, in drainage or tapping, opened or closed without control manually, simplify operation.
Description
Technical field
The utility model is related to medical apparatus technical field, especially a kind of depression drainage device.
Background technology
The surgical drainage tube species clinically applied is a lot, and what is had is used for wound, abdominal cavity, intestines and stomach, biliary tract etc..Post operation
Drainage is carried out, primarily to Post operation time cavity gap dropsy or wound exudate are directed in vitro, prevents postoperative infection to hinder with influence
Mouth healing, during drainage, hydrops needs lasting, effective drainage, and to prevent drainage-fluid adverse current, causes to infect,
Therefore depression drainage device is widely used.
General depression drainage device, including negative pressure ball, drainage tube, liquid discharging tube, negative pressure ball respectively with drainage tube and liquid discharging tube
Conducting, provided with the check valve of drainage-fluid adverse current is prevented between drainage tube and negative pressure ball, sets switch, by drainage on liquid discharging tube
At pipe insertion drainage, negative pressure ball is flattened, the switch closed on liquid discharging tube forms negative pressure, draws drainage-fluid, then opens out again
Close, drainage-fluid is discharged from liquid discharging tube and collected.This kind of flow diverter is opened or closed by hand control switch, and operation is comparatively laborious,
The automatic conducting of negative pressure ball and liquid discharging tube can not be realized or isolated.
The content of the invention
The utility model overcomes the deficiencies in the prior art there is provided a kind of depression drainage device, and it is provided with check valve knot
Structure, the effective drainage of energy, it is to avoid drainage-fluid adverse current, opening or closing for automatic progress tapping is simple to operate.
To achieve these goals, the technical solution adopted in the utility model is：A kind of depression drainage device, including negative pressure
Ball, the negative pressure ball includes liquid feeding end and tapping end, and the liquid feeding end of the negative pressure ball is provided with drainage tube, the tapping of the negative pressure ball
End is provided with liquid discharging tube, and the drainage tube is described to put provided with the feed liquor check valve realized by drainage tube to negative pressure ball one-way conduction
Liquid pipe is provided with the tapping check valve realized by negative pressure ball to liquid discharging tube one-way conduction.
By such scheme, negative pressure ball produces lasting vacuum suction, and timely, efficient, the lasting drainage of energy is being drawn
Feed liquor check valve is set at flow tube, the one-way conduction by drainage tube to negative pressure ball is realized, drainage-fluid adverse current is prevented, effectively prevents from drawing
Tapping check valve is set on the adverse current infection of flow liquid, liquid discharging tube, hand switch is substituted with tapping check valve, in drainage or tapping
When, opened or closed without control manually, simplify operation.
It is of the present utility model it is further setting be：The tapping check valve includes tapping valve body and tapping valve element, tapping
Valve body is provided with tapping valve pocket, and tapping import, the tapping outlet connected with tapping valve pocket, and the tapping valve element slip is set
Put in bleeder valve intracavitary, the tapping import is conducted with negative pressure ball, the tapping outlet is conducted with liquid discharging tube, the tapping
Valve element includes the tapping valve block of sheet, and the tapping valve block is sealed with tapping import to be coordinated, and the bleeder valve intracavitary is provided with and prevented
Tapping valve block closes the first position limiting structure of tapping outlet.
By such scheme, the sliding of tapping valve element is arranged on bleeder valve intracavitary, in imbibition, the tapping valve block of sheet
Upper surface closes tapping import, in air-tight state, starts tapping, first extrudes negative pressure ball so that tapping valve block is put to close
Liquid Way out is moved, and the first position limiting structure, which is contradicted, arrives tapping valve block, and limitation tapping valve block movement, tapping valve block will not be closed
Tapping is exported, and negative pressure ball is turned on liquid discharging tube, and drainage-fluid flows out from negative pressure ball, when negative pressure ball recovers to deform, in the suction of gas
Under power, tapping valve block is moved to close to tapping import direction, and closes tapping import, realizes sealing, drainage tube can be carried out
Imbibition.
It is of the present utility model it is further setting be：The tapping valve block is extended with relative to the opposite side close to tapping import
Tapping lead, the tapping lead is perpendicular to tapping valve block, and first position limiting structure includes being used to keep out tapping valve block
The first supporting plate, first supporting plate is arranged on bleeder valve cavity wall and between tapping valve block and tapping outlet,
The tapping valve pocket is separated into tapping upper cavity and tapping lower chamber by the first supporting plate, and first supporting plate is provided with first
Groove and the first pilot hole, the tapping upper cavity are conducted by the first groove with tapping lower chamber, first pilot hole
Sliding is oriented to tapping lead to coordinate.
By such scheme, the first position limiting structure includes the first supporting plate, and goes out positioned at tapping valve block with tapping
Between mouthful, it is used for the movement for limiting tapping valve block, prevents it from closing tapping outlet, and tapping valve pocket is separated by the first supporting plate
Into tapping upper cavity and tapping lower chamber, the first supporting plate is provided with the first pilot hole and the first groove, and tapping upper cavity passes through
First groove is conducted with tapping lower chamber, and drainage-fluid conducting flowing, the first pilot hole coordinates with tapping lead gap, realized
The guiding sliding of tapping valve element, saves material.
It is of the present utility model it is further setting be：The negative pressure ball is provided with first annular sealing, the tapping valve body
Outer wall be provided with first annular projection and the first external screw thread, be connected with the first clamp nut on first external screw thread, it is described
First annular sealing is clamped between first annular projection and the first clamp nut.
By such scheme, the first annular sealing of negative pressure ball is pressed on tapping valve body by the first clamp nut
On outer wall, the sealing at negative pressure ball tapping end is realized, is easy to extrusion operation.
It is of the present utility model it is further setting be：The feed liquor check valve includes feed liquor valve body and feed liquor spool, feed liquor
Valve body is provided with feed liquor valve pocket, and feed liquor import, the feed liquor outlet connected with feed liquor valve pocket, and the feed liquor spool slip is set
Put in liquid feed valve intracavitary, the feed liquor import is conducted with drainage tube, the feed liquor outlet is conducted with negative pressure ball, the feed liquor
Valve element includes the feed liquor valve block of sheet, and the feed liquor valve block is sealed with feed liquor import to be coordinated, and the liquid feed valve intracavitary is provided with and prevented
Feed liquor valve block closes the second position limiting structure of feed liquor outlet.
By such scheme, feed liquor spool sliding is arranged on liquid feed valve intracavitary, when extruding negative pressure ball, in gas
Under pressure, the upper surface of feed liquor valve block closes feed liquor import, in air-tight state, when starting drainage, and negative pressure ball recovers deformation,
Under the suction of gas so that feed liquor valve block is moved to close to feed liquor Way out, the second position limiting structure contradicts feed liquor valve block, limit
Feed liquor valve block movement processed, feed liquor valve block will not close feed liquor outlet, and drainage tube is turned on negative pressure ball, and drainage-fluid flows into negative pressure
Ball.
It is of the present utility model it is further setting be：The feed liquor valve block is extended with relative to the opposite side close to feed liquor import
Feed liquor lead, the feed liquor lead is perpendicular to feed liquor valve block, and second position limiting structure includes being used to keep out feed liquor valve block
The second supporting plate, second supporting plate is arranged on liquid feed valve cavity wall and between the outlet of feed liquor valve block and feed liquor,
The feed liquor valve pocket is separated into feed liquor upper cavity and feed liquor lower chamber by the second supporting plate, and second supporting plate is provided with second
Groove and the second pilot hole, the feed liquor upper cavity are conducted by the second groove with feed liquor lower chamber, second pilot hole
Sliding is oriented to feed liquor lead to coordinate.
By such scheme, the second position limiting structure includes the second supporting plate, and goes out positioned at feed liquor valve block with feed liquor
Between mouthful, it is used for the movement for limiting feed liquor valve block, prevents it from closing feed liquor outlet, and feed liquor valve pocket is separated by the second supporting plate
Into feed liquor upper cavity and feed liquor lower chamber, the second supporting plate is provided with the second pilot hole and the second groove, and feed liquor upper cavity passes through
Second groove is conducted with feed liquor lower chamber, and drainage-fluid conducting flowing, the second pilot hole coordinates with feed liquor lead gap, realized
The guiding sliding of feed liquor spool, saves material.
It is of the present utility model it is further setting be：The negative pressure ball is provided with the second annular seal, the feed liquor valve body
Outer wall be provided with the second annular lug and the second external screw thread, be connected with the second clamp nut on second external screw thread, it is described
Second annular seal is clamped between the second annular lug and the second clamp nut.
By such scheme, the second annular seal of negative pressure ball is pressed on feed liquor valve body by the second clamp nut
On outer wall, the sealing of negative pressure ball liquid feeding end is realized, is easy to extrusion operation.
It is of the present utility model further set be：The liquid discharging tube is also associated with fluid bag.
By such scheme, fluid bag is used to collect drainage-fluid, recycles.
The utility model is further described below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model side structure schematic diagram；
Fig. 3 is Fig. 2 A-A diagrammatic cross-sections；
Fig. 4 is Fig. 3 B portions enlarged diagram；
Fig. 5 is Fig. 3 C portions enlarged diagram；
Fig. 6 is tapping valve element and the first position limiting structure cooperation schematic diagram；
Fig. 7 is the schematic diagram of other embodiment one of check valve internal structure in the utility model；
Fig. 8 is the schematic diagram of other embodiment two of check valve internal structure in the utility model.
Embodiment
As shown in figures 1 to 6, a kind of depression drainage device, including negative pressure ball 1, drainage tube 2 and liquid discharging tube 3, negative pressure ball 1 include into
Liquid end 11 and tapping end 12, liquid feeding end 11 and the drainage tube 2 of negative pressure ball 1 are conducted, tapping end 12 and the liquid discharging tube 3 of negative pressure ball 1
It is conducted, drainage tube 2 is provided with provided with the feed liquor check valve 4 realized by drainage tube 2 to the one-way conduction of negative pressure ball 1, liquid discharging tube 3
Realize the tapping check valve 5 by negative pressure ball 1 to the one-way conduction of liquid discharging tube 3.
In the present embodiment, tapping check valve 5 includes tapping valve body 51 and tapping valve element 52, and tapping valve body 51 is provided with
Tapping valve pocket 53, and tapping import 54, the tapping outlet 55 connected with tapping valve pocket 53, the slip of tapping valve element 52 is arranged on
In tapping valve pocket 53, tapping import 54 is conducted with negative pressure ball 1, and tapping outlet 55 is conducted with liquid discharging tube 3, and tapping valve element 52 is wrapped
The tapping valve block 521 and tapping lead 522 of sheet are included, tapping lead 522 exports 55 along tapping valve block 521 close to tapping
Side is extended, and tapping lead 522 is perpendicular to tapping valve block 521, and tapping valve block 521 is sealed with tapping import 54 to be coordinated,
The diameter of tapping valve block 521 is more than the bore of tapping import 54, puts provided with preventing tapping valve block 521 from closing in tapping valve pocket 53
First position limiting structure of liquid outlet 55, the first position limiting structure includes the first supporting plate 56 for being used to keep out tapping valve block 521, first
Supporting plate 56 is arranged on the inwall of tapping valve pocket 53 and between tapping valve block 521 and tapping outlet 55, tapping valve pocket 53 by
First supporting plate 56 is separated into tapping upper cavity 531 and tapping lower chamber 532, and the first supporting plate 56 is provided with the first pilot hole
561 and first groove 562, tapping upper cavity 531 is conducted by the first groove 562 and tapping lower chamber 532, the first pilot hole
561 are oriented to sliding with tapping lead 522 coordinates, and the first supporting plate 56 is made up of four spaced straight panels, four straight panels
One end is fixed on the inwall of tapping valve pocket 53, is moved for limiting tapping valve element 52, and the other end surrounds the first pilot hole 561,
First groove 562 extends to the first pilot hole 561 by the inwall of tapping valve pocket 53, is easy to drainage-fluid to pass through.
In the present embodiment, negative pressure ball 1 is provided with first annular sealing 13, and the outer wall of tapping valve body 51 is provided with first
The first clamp nut 61, first annular sealing are connected with the external screw thread 512 of annular lug 511 and first, the first external screw thread 512
13 are clamped between the first annular clamp nut 61 of projection 511 and first.
In the present embodiment, feed liquor check valve 4 includes feed liquor valve body 41 and feed liquor spool 42, and feed liquor valve body 41 is provided with
Feed liquor valve pocket 43, and feed liquor import 44, the feed liquor outlet 45 connected with feed liquor valve pocket 43, the slip of feed liquor spool 52 is arranged on
In feed liquor valve pocket 53, feed liquor import 44 is conducted with drainage tube 2, and feed liquor outlet 45 is conducted with negative pressure ball 1, and feed liquor spool 42 is wrapped
The feed liquor valve block 421 and feed liquor lead 422 of sheet are included, feed liquor lead 422 exports 45 along feed liquor valve block 421 close to feed liquor
Side is extended, and feed liquor lead 422 is perpendicular to feed liquor valve block 421, and feed liquor valve block 421 is sealed with feed liquor import 44 to be coordinated,
The diameter of feed liquor valve block 421, which is more than in the bore of feed liquor import 44, feed liquor valve pocket 43 to be provided with, prevents the closing of feed liquor valve block 421 from living in
Second position limiting structure of liquid outlet 55, the second position limiting structure includes the second supporting plate 46 for being used to keep out feed liquor valve block 421, second
Supporting plate 46 is arranged on the inwall of feed liquor valve pocket 43 and between feed liquor valve block 421 and feed liquor outlet 45, feed liquor valve pocket 43 by
Second supporting plate 46 is separated into feed liquor upper cavity 431 and feed liquor lower chamber 432, and the second supporting plate 46 is provided with the second pilot hole
461 and second groove 462, feed liquor upper cavity 431 is conducted by the second groove 462 and feed liquor lower chamber 432, the second pilot hole
461 are oriented to sliding with feed liquor lead 422 coordinates, and the second supporting plate 46 is made up of four spaced straight panels, four straight panels
One end is fixed on the inwall of feed liquor valve pocket 43, is moved for limiting feed liquor spool 42, and the other end surrounds the second pilot hole 461,
Second groove 462 extends to the second pilot hole 461 by the inwall of feed liquor valve pocket 43, is easy to drainage-fluid to pass through.
In the present embodiment, negative pressure ball 1 is provided with the second annular seal 14, and the outer wall of feed liquor valve body 41 is provided with second
The second clamp nut 62 is connected with the external screw thread 412 of annular lug 411 and second, the second external screw thread 412, second annular is close
Envelope portion is clamped between the second annular lug and the second clamp nut 62.
In the present embodiment, liquid discharging tube 3 is also associated with fluid bag 7.
It is illustrated in figure 7 the other embodiment one that drainage-fluid one-way conduction check valve is realized in the utility model：Unidirectionally
Valve 8 includes valve body 81 and valve element 82, and valve body 81 is provided with valve pocket 83, and import 84, the outlet 85, valve connected with valve pocket 83
The slip of core 82 is arranged in valve pocket 83, and import 84 is turned on drainage tube 2 or turned on negative pressure ball 1, outlet 85 and negative pressure ball 1
Turn on or turned on liquid discharging tube 3, valve element 82 includes valve block 821 and pillar 822, valve block 821 is sealed with import 84 to be coordinated, valve block
821 diameter is more than the bore of import 84, and pillar 822 is placed between outlet 85 and valve block 821, pillar perpendicular to valve block 821
822 in four uniform arrangements, and it can be contacted on valve pocket 83, prevent valve block 821 from closing outlet 85.
It is illustrated in figure 8 the other embodiment two that drainage-fluid one-way conduction check valve is realized in the utility model：Unidirectionally
Valve 9 includes valve body 91 and valve element 92, and valve body 91 is provided with valve pocket 93, and import 94, the outlet 95, valve connected with valve pocket 93
The slip of core 92 is arranged in valve pocket 93, and import 94 is turned on drainage tube 2 or turned on negative pressure ball 1, outlet 95 and negative pressure ball 1
Turn on or turned on liquid discharging tube 3, valve element 92 includes valve block 921 and guide pillar 922, valve block 921 is sealed with import 94 to be coordinated, valve block
921 diameter is more than the bore of import 94, and guide pillar 922 is placed between outlet 95 and valve block 921 perpendicular to valve block 921, outlet
95 are extended with convex pipe 96 into valve pocket 91, and convex pipe 96 is oriented to sliding with guide pillar 922 and coordinated, and four are evenly equipped with along its axial direction on convex pipe 96
Individual through hole 961, it is easy to drainage-fluid to circulate, and prevents valve block 921 from closing outlet 95.
Claims (7)
1. a kind of depression drainage device, including negative pressure ball, the negative pressure ball include liquid feeding end and tapping end, the feed liquor of the negative pressure ball
End is provided with drainage tube, and the tapping end of the negative pressure ball is provided with liquid discharging tube, and the drainage tube is provided with realization by drainage tube to negative pressure
The feed liquor check valve of ball one-way conduction, it is characterised in that：The liquid discharging tube is unidirectionally led provided with realization by negative pressure ball to liquid discharging tube
Logical tapping check valve, the tapping check valve includes tapping valve body and tapping valve element, and tapping valve body is provided with tapping valve pocket,
And tapping import, the tapping outlet connected with tapping valve pocket, the tapping valve element slip is arranged on bleeder valve intracavitary, described
Tapping import is conducted with negative pressure ball, and the tapping outlet is conducted with liquid discharging tube, and the tapping valve element includes the tapping of sheet
Valve block, the tapping valve block is sealed with tapping import to be coordinated, and the bleeder valve intracavitary, which is provided with, prevents tapping valve block from closing tapping
First position limiting structure of outlet.
2. depression drainage device according to claim 1, it is characterised in that：The tapping valve block is relative to close to tapping import
Opposite side be extended with tapping lead, the tapping lead is perpendicular to tapping valve block, and first position limiting structure includes using
In the first supporting plate for keeping out tapping valve block, first supporting plate be arranged on bleeder valve cavity wall and positioned at tapping valve block with
Between tapping outlet, the tapping valve pocket is separated into tapping upper cavity and tapping lower chamber, described first by the first supporting plate
Fagging is provided with the first groove and the first pilot hole, and the tapping upper cavity is conducted by the first groove with tapping lower chamber,
First pilot hole is oriented to sliding with tapping lead and coordinated.
3. depression drainage device according to claim 1 or 2, it is characterised in that：The negative pressure ball is provided with first annular close
Envelope portion, the outer wall of the tapping valve body, which is provided with first annular projection and the first external screw thread, first external screw thread, to be connected with
First clamp nut, the first annular sealing is clamped between first annular projection and the first clamp nut.
4. depression drainage device according to claim 1 or 2, it is characterised in that：The feed liquor check valve includes feed liquor valve body
And feed liquor spool, feed liquor valve body is provided with feed liquor valve pocket, and feed liquor import, the feed liquor outlet, institute connected with feed liquor valve pocket
State feed liquor spool slip and be arranged on liquid feed valve intracavitary, the feed liquor import is conducted with drainage tube, the feed liquor outlet is with bearing
Pressure ball is conducted, and the feed liquor spool includes the feed liquor valve block of sheet, and the feed liquor valve block is sealed with feed liquor import to be coordinated, described
Liquid feed valve intracavitary is provided with the second position limiting structure for preventing feed liquor valve block from closing feed liquor outlet.
5. depression drainage device according to claim 4, it is characterised in that：The feed liquor valve block is relative to close to feed liquor import
Opposite side be extended with feed liquor lead, the feed liquor lead is perpendicular to feed liquor valve block, and second position limiting structure includes using
In the second supporting plate for keeping out feed liquor valve block, second supporting plate be arranged on liquid feed valve cavity wall and positioned at feed liquor valve block with
Between feed liquor outlet, the feed liquor valve pocket is separated into feed liquor upper cavity and feed liquor lower chamber, described second by the second supporting plate
Fagging is provided with the second groove and the second pilot hole, and the feed liquor upper cavity is conducted by the second groove with feed liquor lower chamber,
Second pilot hole is oriented to sliding with feed liquor lead and coordinated.
6. depression drainage device according to claim 4, it is characterised in that：The negative pressure ball is provided with the second ring packing
Portion, the outer wall of the feed liquor valve body, which is provided with the second annular lug and the second external screw thread, second external screw thread, is connected with the
Two clamp nuts, second annular seal is clamped between the second annular lug and the second clamp nut.
7. depression drainage device according to claim 1, it is characterised in that：The liquid discharging tube is also associated with fluid bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219037.4U CN206577170U (en) | 2016-11-11 | 2016-11-11 | Depression drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621219037.4U CN206577170U (en) | 2016-11-11 | 2016-11-11 | Depression drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206577170U true CN206577170U (en) | 2017-10-24 |
Family
ID=60109321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621219037.4U Withdrawn - After Issue CN206577170U (en) | 2016-11-11 | 2016-11-11 | Depression drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206577170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106421943A (en) * | 2016-11-11 | 2017-02-22 | 陶崇林 | Negative pressure drainage apparatus |
| CN113018527A (en) * | 2021-03-02 | 2021-06-25 | 河南迪怡疗护科技开发有限公司 | Novel drainage catheter |
-
2016
- 2016-11-11 CN CN201621219037.4U patent/CN206577170U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106421943A (en) * | 2016-11-11 | 2017-02-22 | 陶崇林 | Negative pressure drainage apparatus |
| CN106421943B (en) * | 2016-11-11 | 2018-10-19 | 陶崇林 | Depression drainage device |
| CN113018527A (en) * | 2021-03-02 | 2021-06-25 | 河南迪怡疗护科技开发有限公司 | Novel drainage catheter |
| CN113018527B (en) * | 2021-03-02 | 2024-01-30 | 河南迪怡疗护科技开发有限公司 | Novel drainage catheter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206577170U (en) | Depression drainage device | |
| CN102215893A (en) | Humidification bottle and oxygen inhalation apparatus having humidification bottle | |
| CN205041869U (en) | Gastric lavage device for digestive internal medicine | |
| CN106421943B (en) | Depression drainage device | |
| CN201356828Y (en) | Drainage bottle | |
| CN204563047U (en) | A kind of Novel cardiovascular internal medicine drainage system | |
| CN104225693B (en) | Negative-pressure micro-control portable drainage device | |
| CN203291370U (en) | Controllable drainage negative-pressure ball | |
| CN207520395U (en) | A kind of depression drainage device | |
| CN206669197U (en) | Geotextile tube bag dewatering process drug feeding pipeline structure | |
| CN206372372U (en) | A kind of disposable oxygen humidification bottle | |
| CN204306849U (en) | A kind of tumor absorbing device | |
| CN203577117U (en) | Totally-closed negative-pressure drainage device | |
| CN204033998U (en) | Single use negative pressure drainage ball and drain flat tube thereof | |
| CN206828083U (en) | Separatory funnel | |
| CN207324855U (en) | A kind of reagent bottle flow slowing device | |
| CN206539638U (en) | A kind of valve telescoping tube Slow descending structure | |
| CN204411115U (en) | Novel gynecological examination censorship swab stick device | |
| CN206381425U (en) | A kind of medical negative pressure bottle accessory and the negative pressure bottle using the accessory | |
| CN204745357U (en) | Medical negative pressure suction check valve device | |
| CN206138451U (en) | Stomach negative pressure suction device | |
| CN204699107U (en) | A kind of single use vacuum extractor | |
| CN205416965U (en) | Portable painting pigment strorage device | |
| CN220608772U (en) | Hydrops discharging equipment convenient to collect | |
| CN203342115U (en) | Disposable sealed enema bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171024 Effective date of abandoning: 20181019 |
|
| AV01 | Patent right actively abandoned |