CN108014386A - A kind of negative pressure drainage device - Google Patents
A kind of negative pressure drainage device Download PDFInfo
- Publication number
- CN108014386A CN108014386A CN201810123903.7A CN201810123903A CN108014386A CN 108014386 A CN108014386 A CN 108014386A CN 201810123903 A CN201810123903 A CN 201810123903A CN 108014386 A CN108014386 A CN 108014386A
- Authority
- CN
- China
- Prior art keywords
- connection cover
- inlet
- drainage
- adjustment seat
- connection
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/71—Suction drainage systems
- A61M1/74—Suction control
- A61M1/742—Suction control by changing the size of a vent
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/88—Draining devices having means for processing the drained fluid, e.g. an absorber
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
Abstract
A kind of negative pressure drainage device, it is related to medical instruments field, including drainage sphere and upper end cover, the upper end cover includes connection cover and adjustment seat, connection cover lower seal is fixed in drainage sphere upper port, connection cover center is equipped with circular connection slide opening, and connection cover is equipped with exhaust outlet and at least two inlets of different sizes on same circumference；It is equipped with the middle part of adjustment seat with being connected the matched connecting rod of slide opening, connecting rod can along its longitudinal sliding motion, be spindle rotationally arranged in connection slide opening in, connecting rod lower end is equipped with spring base, and sealing compression spring is equipped between spring base and connection cover, and adjustment seat is pressed abd fixed in connection cover by sealing compression spring；Adjustment seat is equipped with drainage interface, and it is opposite with exhaust outlet or inlet to drain the lower end of interface, drains interface and is not less than inlet；Connection cover is equipped with the sealing ring for being connected inlet with drainage sealing joint.The present invention has the advantages that simple in structure, easy to operate, can efficiently to adjust drainage speed as needed.
Description
Technical field
The present invention relates to medical instruments field, says it is a kind of simple in structure, easy to operate in detail, can as needed efficiently
Adjust the negative pressure drainage device of drainage speed.
Background technology
It is known that clinically, negative pressure drainage is usually used in clearing up postoperative wound hydrops, periodically in time draws hematocele hydrops
Go out in vitro, be conducive to the healing of wound tissue, drainage ball is a kind of clinical common negative pressure drainage device, and existing drainage ball includes
Sphere and upper end cover are drained, upper end cover is sealingly mounted on drainage sphere, and upper end cover is equipped with drainage interface；Existing drainage ball
Drainage speed can not adjust, and clinical process usually needs to make drainage speed according to conditions of patients dynamic and adjusts, tradition
Negative pressure drainage device can not meet actual clinical demand, and adjustment drainage speed can only be by replacing drainage tube, by adjusting drainage
Pipe thickness controls drainage speed, and inconvenience is brought to clinical practice operation.
The content of the invention
Present invention aim to address above-mentioned the deficiencies in the prior art, there is provided and it is a kind of simple in structure, easy to operate, can basis
Need efficiently to adjust the negative pressure drainage device of drainage speed.
Technical solution is used by the present invention solves above-mentioned problem of the prior art：
A kind of negative pressure drainage device, it includes draining sphere and upper end cover, it is characterised in that the upper end cover includes connection cover
And adjustment seat, connection cover lower seal are fixed in drainage sphere upper port, connection cover center is equipped with circular connection slide opening, connection
The connection cover of slide opening surrounding is equipped with exhaust outlet and at least two inlets of different sizes, and exhaust outlet and inlet are positioned at same
On circumference；It is equipped with the middle part of adjustment seat and is connected the matched connecting rod of slide opening, connecting rod can be along its longitudinal sliding motion, rotatably sets
Put in connection slide opening, the connecting rod lower end below connection cover is equipped with spring base, in the connecting rod between spring base and connection cover
Equipped with sealing compression spring, adjustment seat is pressed abd fixed in connection cover by sealing compression spring；Adjustment seat is equipped with drainage interface, drains interface
Lower end it is opposite with exhaust outlet or inlet, drainage interface be not less than inlet；In connection cover or adjustment seat is equipped with feed liquor
The sealing ring that mouth is connected with drainage sealing joint.
Heretofore described connection cover is equipped with the closure room being located at exhaust outlet, inlet on same circumference；Envelope
Stifled empty place or adjustment seat are equipped with closure sealing ring.
Heretofore described connection cover is changed from small to big the inlet being arranged in order equipped with three areas, inlet lower end
It is equipped with into liquid non-return valve.
Place opposite with drainage interface is equipped with drainage interface identifier, the connection on heretofore described adjustment seat side
Place opposite with exhaust outlet and each inlet is respectively equipped with exhaust outlet mark and inlet mark on lid side.Drain interface identifier
During with exhaust outlet mark or opposite inlet mark, drainage interface is connected with exhaust outlet or inlet.
Heretofore described inlet is identified according to the different and different of inlet size.Such as the feed liquor of big inlet
The inlet mark that mouth identifies large and small inlet is small, or inlet mark includes the numeral of expression inlet size.
It is exterior on the downside of heretofore described connection cover to be equipped with outwardly annular connecting seat, the upper screw thread in connection cover outside
Compression ring is connected with, drainage sphere upper port is set on connecting seat, and compression ring coordinates drainage ball with connection cover outside screw
Body upper port compresses sealing and is fixed on connecting seat.The exhaust outlet mark or inlet mark is arranged on the upside of compression ring
Connection cover outside is upper or is arranged on the outside of compression ring.
The rounded thick plate-like of heretofore described adjustment seat, adjustment seat downside are equipped with positioning groove or convex
Rise, connection cover upper side is equipped with and the positioning groove on adjustment seat downside or the matched positioning protrusion of positioning protrusion or positioning
Groove.When drainage interface is connected with exhaust outlet or inlet, positioning protrusion is connected with positioning groove to be positioned, connects drainage
Mouth and exhaust outlet or inlet face, it is easy to operation.
Positioning groove or positioning protrusion on heretofore described adjustment seat downside are radially to be set along adjustment seat
Strip connected in star or protrusion.The positioning protrusion or positioning groove of the connection cover upper side are the length radially set along connection cover
Bar shaped positioning protrusion or positioning groove.Inlet, exhaust outlet and closure sealing ring or closure room are rounded uniformly distributed in the present invention
In connection cover, positioning protrusion or positioning groove and inlet, exhaust outlet and closure sealing ring or closure room in connection cover
The sum of number it is identical, it is rounded to be distributed in connection cover.
In the use of the present invention, by stirring adjustment seat upwards, sealing compression spring is compressed,（Positioning protrusion and positioning groove
Separation）Adjustment seat is rotated, when drainage interface is with exhaust outlet or opposite a certain inlet, adjustment seat is decontroled, in the bullet of sealing compression spring
The lower drainage interface of power effect is docked with exhaust outlet or a certain inlet, and sealing ring realizes drainage interface and exhaust outlet or a certain feed liquor
The Butt sealing of mouth.When drainage interface is docked with a certain inlet, it is possible to achieve negative pressure drainage, drainage speed can be by drawing
Stream interface is docked and changed with different size of inlet；When drainage interface is docked with exhaust outlet, it can pass through and extrude drainage
Sphere realizes the drainage-fluid in negative pressure or exclusion drainage ball body；When drainage interface is docked with closure room and through blocking sealing ring
During sealed connection, drainage stops.The configuration of the present invention is simple, easy to use, negative pressure drainage device is equipped with multiple stations, Ke Yishi
Now to the control of different drainage speeds, it is vented discharge opeing or stops drainage.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the dimensional structure diagram of the present invention.
Fig. 3 is the configuration schematic diagram of the present invention.
Fig. 4 is the dimensional structure diagram of connection cover in the present invention.
Fig. 5 is the dimensional structure diagram of adjustment seat in the present invention.
Embodiment
Negative pressure drainage device as shown in Figs. 1-5, it includes draining sphere 7 and upper end cover, and upper end cover includes circular connect
Lid 5 and circular adjustment seat 1,5 lower seal of connection cover is fixed in drainage 7 upper port of sphere, it can be seen from the figure that described
The downside of connection cover 5 is exterior to be equipped with outwardly annular connecting seat, and connection cover 5 is threaded with compression ring 10 on outside, drains
7 upper port of sphere is set on connecting seat, and compression ring 10 coordinates with 5 outside screw of connection cover compresses 7 upper port of drainage sphere
Sealing is fixed on connecting seat.The center of connection cover 5 is equipped with circular connection slide opening, and the connection cover of connection slide opening surrounding is equipped with circle
The circular inlet 13 of 11 and at least two diameter of exhaust outlet not etc., the downside of inlet 13 are equipped with feed liquor check valve 3, feed liquor list
It is used for ensureing that drainage-fluid unidirectionally enters drainage sphere to valve 3, prevents drainage-fluid adverse current.The circle of exhaust outlet 11 and whole inlets 13
The heart is located to connect on circumference of the slide opening as the same circle in the center of circle；The middle part of adjustment seat 1 is equipped with being connected the matched connection of slide opening
Bar 4, connecting rod 4 can be along its longitudinal directions（Up and down）Slide, being arranged in connection slide opening of being circumferentially freely rotated, the lower section of connection cover 5
4 lower end of connecting rod is equipped with spring base 12, and the connecting rod 4 between spring base 12 and connection cover 5 is equipped with sealing compression spring 6, sealing pressure
Adjustment seat 1 is pressed abd fixed in connection cover 5 by spring 6；Adjustment seat 1 is equipped with the drainage interface through adjustment seat, can be with from figure
Find out, the drainage interface on the upside of adjustment seat is equipped with drainage tube joint 2, easy to drain the connection of interface and drainage tube.Drainage connects
The lower end of mouth can be opposite with exhaust outlet 11 or inlet 13, drains the diameter of interface（Internal diameter）Not less than maximum inlet 13
Diameter；The adjustment seat of in the connection cover of inlet periphery or drainage interface periphery, which is equipped with, connects inlet and drainage sealing joint
The sealing ring 14 connect.Figure 4, it is seen that connection cover is changed from small to big the inlet being arranged in order equipped with three areas；Into
The connection cover of liquid mouth periphery is equipped with the sealing ring 14 that can be connected inlet with drainage sealing joint；11 periphery of exhaust outlet
Sealing ring is again provided with connection cover.The connection cover is equipped with the closure being located at exhaust outlet, inlet on same circumference
Room；Closure empty place is equipped with the closure sealing ring identical with seal ring structure.
Of the invention further to improve, place opposite with drainage interface is equipped with drainage interface identifier on 1 side of adjustment seat
8, place opposite with exhaust outlet and each inlet is respectively equipped with exhaust outlet mark and inlet mark on 5 side of connection cover
9.When draining interface identifier 8 with exhaust outlet mark or opposite inlet mark 9, drainage interface connects with exhaust outlet or some inlet
It is logical.The inlet is identified according to the different and different of inlet size；Such as big inlet inlet mark it is large and small into
The inlet mark of liquid mouth is small, or inlet mark includes the numeral of expression inlet size.Described exhaust outlet mark or
On inlet mark is arranged on the outside of the connection cover on the upside of compression ring.
Of the invention further to improve, the rounded thick plate-like of the adjustment seat, adjustment seat downside is equipped with positioning groove
Or positioning protrusion 16, connection cover upper side are equipped with matched fixed with the positioning groove on adjustment seat downside or positioning protrusion 16
Position protrusion or positioning groove 15.When drainage interface and exhaust outlet or（Any one）When inlet connects, positioning protrusion 16 is with determining
Position groove 15 be connected positioning, make drainage interface and exhaust outlet or（Any one）Inlet face, it is easy to operation.From Fig. 4,
As can be seen that the positioning protrusion on the adjustment seat downside is that the strip radially set along adjustment seat is raised in Fig. 5；Even
Connect cover side positioning groove be along connection cover radially set strip positioning groove.As can be seen from the figure three feed liquors
Mouth, exhaust outlet and closure room（Block sealing ring）It is rounded to be distributed in connection cover, positioning groove and feed liquor in connection cover
Mouthful, the number in exhaust outlet and closure the sum of room it is identical, be 5, it is rounded to be distributed in connection cover.
In the use of the present invention, by stirring adjustment seat upwards, sealing compression spring is compressed,（Positioning protrusion and positioning groove
Separation）Adjustment seat is rotated, when drainage interface is with exhaust outlet or opposite a certain inlet, adjustment seat is decontroled, in the bullet of sealing compression spring
The lower drainage interface of power effect is docked with exhaust outlet or a certain inlet, and sealing ring realizes drainage interface and exhaust outlet or a certain feed liquor
The Butt sealing of mouth.When drainage interface is docked with a certain inlet, it is possible to achieve negative pressure drainage, drainage speed can be by drawing
Stream interface is docked and changed with different size of inlet；When drainage interface is docked with exhaust outlet, it can pass through and extrude drainage
Sphere realizes the drainage-fluid in negative pressure or exclusion drainage ball body；When drainage interface is docked with closure room and through blocking sealing ring
During sealed connection, drainage stops.The configuration of the present invention is simple, easy to operate, negative pressure drainage device is equipped with multiple stations, Ke Yishi
Now to the control of different drainage speeds, flexibly the clinical drainage speed of control, avoids the puzzlement for repeatedly replacing negative pressure drainage device,
Great convenience is provided for operation.Drainage and exhaust discharge opeing or the suspension drainage procedure of friction speed can be achieved.
Claims (8)
1. a kind of negative pressure drainage device, it includes draining sphere and upper end cover, it is characterised in that the upper end cover includes connection
Lid and adjustment seat, connection cover lower seal are fixed in drainage sphere upper port, and connection cover center is equipped with circular connection slide opening, even
The connection cover for connecing slide opening surrounding is equipped with exhaust outlet and at least two inlets of different sizes, and exhaust outlet and inlet are positioned at same
On one circumference；Be equipped with the middle part of adjustment seat and be connected the matched connecting rod of slide opening, connecting rod can along its longitudinal sliding motion, rotatably
It is arranged in connection slide opening, the connecting rod lower end below connection cover is equipped with spring base, the connecting rod between spring base and connection cover
Sealing compression spring is equipped with, adjustment seat is pressed abd fixed in connection cover by sealing compression spring；Adjustment seat is equipped with drainage interface, and drainage connects
The lower end of mouth is opposite with exhaust outlet or inlet, and drain interface is not less than inlet；In connection cover or adjustment seat is equipped with and incites somebody to action
The sealing ring that inlet is connected with drainage sealing joint.
2. negative pressure drainage device according to claim 1, it is characterised in that the connection cover be equipped with exhaust outlet, into
Liquid mouth is located at the closure room on same circumference；Block empty place or adjustment seat is equipped with closure sealing ring.
3. negative pressure drainage device according to claim 1, it is characterised in that the connection cover be equipped with three areas by
The small inlet being arranged in order that becomes larger, inlet lower end are equipped with into liquid non-return valve.
4. negative pressure drainage device according to claim 1, it is characterised in that with draining interface on the adjustment seat side
Opposite place is equipped with drainage interface identifier, and place opposite with exhaust outlet and each inlet is respectively equipped with row on the connection cover side
Gas port identifies and inlet mark.
5. negative pressure drainage device according to claim 1, it is characterised in that the inlet mark is big according to inlet
Small is different and different.
6. negative pressure drainage device according to claim 1, it is characterised in that exterior on the downside of the connection cover to be equipped with outwards
The annular connecting seat of protrusion, connection cover are threaded with compression ring on outside, drain sphere upper port and are set on connecting seat, press
Tight ring coordinates with connection cover outside screw is fixed on drainage sphere upper port compression sealing on connecting seat.
7. negative pressure drainage device according to claim 6, it is characterised in that the rounded thick plate-like of the adjustment seat, is adjusted
Section seat downside is equipped with positioning groove or positioning protrusion, connection cover upper side equipped with the positioning groove on adjustment seat downside or
The matched positioning protrusion of positioning protrusion or positioning groove.
8. negative pressure drainage device according to claim 7, it is characterised in that the positioning on the adjustment seat downside is recessed
Groove or positioning protrusion are the strip connected in star or protrusion radially set along adjustment seat；The positioning protrusion of the connection cover upper side
Or positioning groove is the strip positioning protrusion or positioning groove radially set along connection cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810123903.7A CN108014386A (en) | 2018-02-07 | 2018-02-07 | A kind of negative pressure drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810123903.7A CN108014386A (en) | 2018-02-07 | 2018-02-07 | A kind of negative pressure drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108014386A true CN108014386A (en) | 2018-05-11 |
Family
ID=62075335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810123903.7A Pending CN108014386A (en) | 2018-02-07 | 2018-02-07 | A kind of negative pressure drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108014386A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE792506A (en) * | 1971-12-09 | 1973-03-30 | Sherwood Medical Ind Inc | Medical drainage devices |
| CN103055357A (en) * | 2011-10-22 | 2013-04-24 | 江苏康诺医疗器械有限公司 | Silicone negative pressure drainage apparatus |
| CN203291370U (en) * | 2013-06-04 | 2013-11-20 | 山东大正医疗器械股份有限公司 | Controllable drainage negative-pressure ball |
| CN203577117U (en) * | 2013-10-24 | 2014-05-07 | 山东大正医疗器械股份有限公司 | Totally-closed negative-pressure drainage device |
| CN104274870A (en) * | 2014-10-29 | 2015-01-14 | 余姚市协盛医疗器械有限公司 | Negative pressure drainage device |
| CN208464765U (en) * | 2018-02-07 | 2019-02-05 | 威海世创医疗科技有限公司 | A kind of negative pressure drainage device |
-
2018
- 2018-02-07 CN CN201810123903.7A patent/CN108014386A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE792506A (en) * | 1971-12-09 | 1973-03-30 | Sherwood Medical Ind Inc | Medical drainage devices |
| CN103055357A (en) * | 2011-10-22 | 2013-04-24 | 江苏康诺医疗器械有限公司 | Silicone negative pressure drainage apparatus |
| CN203291370U (en) * | 2013-06-04 | 2013-11-20 | 山东大正医疗器械股份有限公司 | Controllable drainage negative-pressure ball |
| CN203577117U (en) * | 2013-10-24 | 2014-05-07 | 山东大正医疗器械股份有限公司 | Totally-closed negative-pressure drainage device |
| CN104274870A (en) * | 2014-10-29 | 2015-01-14 | 余姚市协盛医疗器械有限公司 | Negative pressure drainage device |
| CN208464765U (en) * | 2018-02-07 | 2019-02-05 | 威海世创医疗科技有限公司 | A kind of negative pressure drainage device |
Non-Patent Citations (1)
| Title |
|---|
| 史文红;赵成如;: "医用硅橡胶及其制品", 中国医疗器械信息, no. 11 * |
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