CN105031753B - A kind of vacuum liquid extractor for operation - Google Patents
A kind of vacuum liquid extractor for operation Download PDFInfo
- Publication number
- CN105031753B CN105031753B CN201510517980.7A CN201510517980A CN105031753B CN 105031753 B CN105031753 B CN 105031753B CN 201510517980 A CN201510517980 A CN 201510517980A CN 105031753 B CN105031753 B CN 105031753B
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- rotary drum
- hole
- tube
- backboard
- 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.)
- Expired - Fee Related
Links
Classifications
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- A61M1/0003—
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- A61M1/0023—
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- 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
- A61M1/70—Gravity drainage systems
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- 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
- A61M27/00—Drainage appliance for wounds or the like, i.e. wound drains, implanted drains
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- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/0014—Special media to be introduced, removed or treated removed from the body
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- 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
- A61M2202/00—Special media to be introduced, removed or treated
- A61M2202/04—Liquids
Abstract
The present invention relates to a kind of medicine equipment, specifically a kind of vacuum liquid extractor for operation.Drainage tube and negative tube including fluid reservoir, on fluid reservoir, the negative tube connects negative pressure generator, negative pressure generator includes the rotary drum being coaxially disposed, the slip ring being rotatably sleeved on rotary drum, axle center, which is symmetrically arranged with upper water box and lower header, rotary drum, on the slip ring sets negative pressure channel and exhaust passage；It is correspondingly arranged on slip ring in negative pressure through hole and exhaust through hole, upper water box and lower header and is correspondingly arranged on backboard negative pressure channel and backboard exhaust passage.The depression drainage device is driven using liquid gravity, and without electric energy, negative pressure duration length, pressure stability, reliability are high.
Description
Technical field
The present invention relates to a kind of medicine equipment, specifically a kind of vacuum liquid extractor for operation.
Background technology
For a variety of postoperative patients, the liquid body exudate of wound surface is drawn external or passed through by conventional negative pressure drainage
Negative compression minor cut or wound surface of a wound lacuna, is conducive to the healing of wound tissue.This negative pressure drainage requires negative pressure duration length, pressure
It is stably and controllable.The operation principle of existing depression drainage device can be divided into two kinds according to power resources, and one kind is to use manually driven
The piston tubular type negative pressure generator of negative pressure drainage ball or syringe-like, another born using motor-driven pressure pump type
Press generator.The manually driven negative pressure generator duration is short, pressure transient, poor reliability, and due to negative pressure cavity with
Liquid storage cylinder uses same container, and hydrops, which is filled, must temporarily cease drainage after liquid storage cylinder, empty liquid storage cylinder, and flow diverter can not be continuous
Using and easily occur cross-infection；The pressure pump type negative pressure generator duration is long, and negative pressure cavity is respectively adopted two with liquid storage cylinder
Individual different container, the problem of having prevented the danger of cross-infection, but still suffered from pressure transient, poor reliability, once pressure
Pump, which breaks down, will influence the normal work of flow diverter.
The content of the invention
It is an object of the invention to provide the high sustainable work of a kind of negative pressure duration length, pressure stability, reliability
Vacuum liquid extractor for operation.
In order to reach object above, the technical solution adopted in the present invention is：The vacuum liquid extractor for operation include fluid reservoir,
Drainage tube and negative tube on fluid reservoir, the negative tube connect negative pressure generator, and the outer surface of the fluid reservoir is set
Chuck is equipped with, spiracle of the upper end provided with air pressure in regulation chuck of the chuck is fixed between chuck and fluid reservoir to be fitted with
Horizontally disposed outer tube, the two ends of the outer tube are respectively arranged with the interior edge being connected on liquid storage pot sidewall, are connected to
Delivery pipe is rotatably fitted with outer edge on jacket side wall, the inner chamber of outer tube, is set between outer tube and delivery pipe
It is equipped with sealing ring, the inner chamber of the delivery pipe and is provided with dividing plate, the inner face of the delivery pipe is provided with filter screen, in delivery pipe
Tube wall on be provided with entrance hole and leadout hole, the entrance hole and leadout hole are located at the both sides of dividing plate respectively, in outer tube
The collar aperture for corresponding to entrance hole and leadout hole respectively is provided with tube wall；The negative pressure generator include be coaxially disposed rotary drum,
Rotatably it is sleeved on axle center on the slip ring on rotary drum, the slip ring and is symmetrically arranged with upper water box and lower header, the upper water box
Constituted with lower header by the backboard being fixedly connected on slip ring outer ring surface with the positive housing of backboard is fastened on, in the rotary drum
Negative pressure channel and exhaust passage are set, and the negative pressure channel connects negative tube, and the negative pressure channel, which is provided with, is located at rotary drum outer ring surface
Negative pressure channel interface, the exhaust passage be provided with positioned at rotary drum outer ring surface exhaust passage interface, the negative pressure channel interface
It is symmetrical arranged and is staggered in the axis direction of rotary drum with the axle center of rotary drum with exhaust passage interface；Set on the slip ring
It is equipped with the negative pressure through hole for connecting inside and outside anchor ring and the inside and outside anchor ring exhaust through hole of connection, the inner of the negative pressure through hole
Exhaust passage interface on negative pressure channel interface on mouth correspondence rotary drum, the inner port correspondence rotary drum of the exhaust through hole, institute
State and backboard negative pressure channel and backboard exhaust passage are provided with backboard, it is radial distribution of the backboard negative pressure channel along rotary drum, interior
Port correspondence negative pressure through hole external port is communicated to the distal end of upper water box or lower header, the inner port of the backboard exhaust passage
The near-end of correspondence exhaust through hole, external port connection upper water box or lower header；The upper water box and lower header proximally by
Connecting tube is connected.
The beneficial effects of the present invention are：The depression drainage device is driven using liquid gravity, without electric energy, when negative pressure continues
Between long, pressure stability, reliability it is high.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the positive structure schematic of negative pressure generator.
Fig. 3 is Fig. 1 A portions mplifying structure schematic diagram.
Embodiment
As shown in figure 1, vacuum liquid extractor for operation of the present invention includes fluid reservoir 1, the drainage tube on fluid reservoir 1
2 and negative tube 3, fluid reservoir 1 is used to deposit draining fluids, uses for convenience, can also set delivery pipe in the bottom of fluid reservoir 1
11, after fluid reservoir 1 is filled, liquid can be discharged without destroying the negative pressure in fluid reservoir 1, realize continuous drainage.
As shown in figure 1, the outer surface of the fluid reservoir 1 is provided with chuck 12, the upper end of the chuck 12 is pressed from both sides provided with regulation
The spiracle 121 of air pressure in set 12, fixation is fitted with horizontally disposed outer tube 121, outer tube between chuck 12 and fluid reservoir 1
121 are connected across between chuck 12 and the side wall of fluid reservoir 1.The two ends of the outer tube 121, which are respectively arranged with, is connected to fluid reservoir 1
Interior edge on the wall of side, the outer edge being connected on the side wall of chuck 12, fluid reservoir 1 and chuck 12 are fixed on by outer tube 121
On the wall of side, it is seted to be rotated from moving axially.Delivery pipe 11 is rotatably fitted with the inner chamber of outer tube 121,
Sealing ring 9 is provided between outer tube 121 and delivery pipe 11, the gap between both tube walls is closed.The delivery pipe 11
Inner chamber in be provided with dividing plate 111, the position of dividing plate 111 is located at outside, the inside of the side wall of chuck 12 of the side wall of fluid reservoir 1.Institute
The inner face for stating delivery pipe 11 is provided with filter screen 114, the inner side of dividing plate 111 is connected with the inner chamber of fluid reservoir 1, in delivery pipe 11
Tube wall on be provided with entrance hole 112 and leadout hole 113, the entrance hole 112 and leadout hole 113 are respectively positioned at dividing plate 111
Both sides, are provided with the collar aperture 122,123 for corresponding to entrance hole 112 and leadout hole 113 respectively on the tube wall of outer tube 121；Row
When putting the rotation of pipe 11, collar aperture 122,123 can dock conducting with entrance hole 112 or leadout hole 113 respectively, but import
The docking conducting of hole 112 or leadout hole 113 is realized in the state of delivery pipe 11 is in different angles, i.e. entrance hole 112
Conducting can not be docked simultaneously with leadout hole 113.When normal drainage, delivery pipe 11 is rotated to an angle, makes entrance hole 112
Close, now closed equivalent to fluid reservoir 1 with leadout hole 113.After fluid reservoir 1 is filled, delivery pipe 11 is rotated necessarily
Angle, makes the alignment sleeve pore 122 of entrance hole 112 for being located at the inner side of dividing plate 111, and now the inner chamber of fluid reservoir 1 passes through entrance hole 112
Linked up with collar aperture 122, the hydrops in fluid reservoir 1 can enter in chuck 12, now, the leadout hole on the side wall of delivery pipe 11
113 are blocked by the side wall of outer tube 121, and delivery pipe 11 is not turned on simultaneously.After the hydrops in fluid reservoir 1 and chuck 12 is balanced, then
It is secondary that delivery pipe 11 rotates to an angle, make in the alignment sleeve pore 123 of leadout hole 113 for being located at the outside of dividing plate 111, chuck 12
Hydrops flows into delivery pipe 11 by leadout hole 113 and collar aperture 123 and discharged.
The negative tube 3 connects negative pressure generator, and negative pressure generator produces negative pressure and acted on by negative tube 3 and drainage tube 2
In the puncture needle for being connected to the front end of drainage tube 2, liquid body exudate is drawn out in fluid reservoir 1.
The negative pressure generator includes the rotary drum 4 being coaxially disposed, the slip ring 5 being rotatably sleeved on rotary drum 4, described turn
Drum 4 has columned outer ring surface and is fitted close by the inner ring surface of the outer ring surface and slip ring 5, and slip ring 5 can be on rotary drum 4
Rotate.Axle center is symmetrically arranged with upper water box 6 and lower header 7 on the slip ring 5, and the upper water box 6 and lower header 7 connect by fixed
The backboard 61,71 that is connected on the outer ring surface of slip ring 5 and it is fastened on backboard 61,71 positive housings and constitutes, upper water box 6 and lower header 7
All it is that, along the radially-arranged strip structure of rotary drum 4 or spindle-type α-Fe2O3, its height is much larger than width.
Negative pressure channel 41 and exhaust passage 42 are set in the rotary drum 4, and the negative pressure channel 41 connects negative tube 3, described
Negative pressure channel 41 is provided with the negative pressure channel interface positioned at the outer ring surface of rotary drum 4, and the exhaust passage 42, which is provided with, is located at the outer ring surface of rotary drum 4
Exhaust passage interface, be additionally provided with rotary drum 4 connection exhaust passage 42 open interface, with atmosphere.The negative pressure
Channel interface and exhaust passage interface are symmetrical arranged with the axle center of rotary drum 4 and are staggered in the axis direction of rotary drum 4, are turned
Under the stationary state of drum 4, negative pressure channel interface upward opening, exhaust passage interface are downwardly open；Connection is provided with the slip ring 5
The negative pressure through hole 51 of inside and outside anchor ring and the inside and outside anchor ring exhaust through hole 52 of connection, the inner port of the negative pressure through hole 51
Exhaust passage interface on negative pressure channel interface on correspondence rotary drum 4, the inner port correspondence rotary drum 4 of the exhaust through hole 52,
Because negative pressure channel interface and exhaust passage interface are symmetrical arranged with the axle center of rotary drum 4, on slip ring 5, with the axle center pair of rotary drum 4
Claim position that one group of negative pressure through hole 51 and exhaust through hole 52 are respectively set.When the rotation of slip ring 5 makes the negative pressure through hole 51 of upper end just
When to negative pressure channel interface, the exhaust through hole 52 of lower end also just connects exhaust passage interface.
Backboard negative pressure channel 62,72 and backboard exhaust passage 73 are provided with the backboard 61,71, the backboard negative pressure is led to
Radial distribution, inner port correspondence negative pressure through hole 51 external port of the road 62,72 along rotary drum 4 are communicated to upper water box 6 or lower header 7
Distal end, inner port correspondence exhaust through hole 52, the external port connection upper water box 6 or lower header of the backboard exhaust passage 73
7 near-end；The setting of backboard negative pressure channel 62,72 and backboard exhaust passage 73 in two backboards is also with the axle center of rotary drum 4
It is symmetrical arranged.When upper water box 6 rotates to top with slip ring 5, the backboard negative pressure channel 62 on upper water box 6 passes through slip ring 5
Backboard exhaust passage 73 on the connection negative pressure channel interface of negative pressure through hole 51 and negative pressure channel 41 of upper end, upper water box 6 is turned
The outer shroud face closure of drum 4；At the same time, the backboard negative pressure channel 72 that lower header 7 is located on the lower section of rotary drum 4, lower header 7 is turned
The logical exhaust of the connection of negative pressure through hole 52 that backboard exhaust passage on the outer shroud face closure of drum 4, lower header 7 passes through the lower end of slip ring 5
Channel interface and exhaust passage 42.Slip ring 5 is rotated into 180 degree, then can be by upper water box 6 and the location swap of lower header 7.
The upper water box 6 is connected with lower header 7 proximally by connecting tube 8.
Upper water box 6 forms two liquid containers connected, when upper water box 6 fills the liquid such as water, water etc. with lower header 7
Liquid can be gradually flowed in lower header 7 by connecting tube 8, and the air in lower header 7 is discharged by exhaust passage 42, upper water box 6
In liquid reduce after, produce negative pressure in negative pressure channel 41, fluid reservoir 1 acted on by negative tube 3；In upper water box 6
After emptying rate of liquid, as long as slip ring 5 to be rotated to the transposition of 180 degree, upper water box 6 and lower header 7, you can continue to produce and bear
Pressure.
Claims (1)
1. a kind of vacuum liquid extractor for operation, including fluid reservoir（1）, installed in fluid reservoir（1）On drainage tube（2）And negative tube
（3）, the negative tube（3）Connect negative pressure generator, it is characterised in that：The fluid reservoir（1）Outer surface be provided with chuck
（12）, the chuck（12）Upper end provided with regulation chuck（12）The spiracle of interior air pressure（121）, chuck（12）With fluid reservoir
（1）Between fixation be fitted with horizontally disposed outer tube（121）, the outer tube（121）Two ends be respectively arranged with and be connected to
Fluid reservoir（1）Interior edge on the wall of side, it is connected to chuck（12）Outer edge on the wall of side, outer tube（121）Inner chamber in can revolve
It is fitted with delivery pipe with turning（11）, in outer tube（121）With delivery pipe（11）Between be provided with sealing ring（9）, the delivery pipe
（11）Inner chamber in be provided with dividing plate（111）, the delivery pipe（11）Inner face be provided with filter screen（114）, in delivery pipe
（11）Tube wall on be provided with entrance hole（112）And leadout hole（113）, the entrance hole（112）And leadout hole（113）Difference position
In dividing plate（111）Both sides, in outer tube（121）Tube wall on be provided with respectively correspond to entrance hole（112）And leadout hole（113）
Collar aperture（122、123）；The negative pressure generator includes the rotary drum being coaxially disposed（4）, be rotatably sleeved on rotary drum（4）On
Slip ring（5）, the slip ring（5）Upper axle center is symmetrically arranged with upper water box（6）And lower header（7）, the upper water box（6）With lower water
Case（7）By being fixedly connected on slip ring（5）Backboard on outer ring surface（61、71）Be fastened on backboard（61、71）Positive housing
Constitute, the rotary drum（4）Middle setting negative pressure channel（41）And exhaust passage（42）, the negative pressure channel（41）Connect negative tube
（3）, the negative pressure channel（41）Provided with positioned at rotary drum（4）The negative pressure channel interface of outer ring surface, the exhaust passage（42）It is provided with
Positioned at rotary drum（4）The exhaust passage interface of outer ring surface, the negative pressure channel interface and exhaust passage interface are with rotary drum（4）Axle center
It is symmetrical arranged and in rotary drum（4）Axis direction be staggered；The slip ring（5）On be provided with the negative of the inside and outside anchor ring of connection
Press through hole（51）And the inside and outside anchor ring exhaust through hole of connection（52）, the negative pressure through hole（51）Inner port correspondence rotary drum
（4）On negative pressure channel interface, the exhaust through hole（52）Inner port correspondence rotary drum（4）On exhaust passage interface, institute
State backboard（61、71）In be provided with backboard negative pressure channel（62、72）With backboard exhaust passage（73）, the backboard negative pressure channel
（62、72）Along rotary drum（4）Radial distribution, inner port correspondence negative pressure through hole（51）External port is communicated to upper water box（6）Or
Lower header（7）Distal end, the backboard exhaust passage（73）Inner port correspondence exhaust through hole（52）, the upper water of external port connection
Case（6）Or lower header（7）Near-end；The upper water box（6）And lower header（7）Proximally by connecting tube（8）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510517980.7A CN105031753B (en) | 2015-08-24 | 2015-08-24 | A kind of vacuum liquid extractor for operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510517980.7A CN105031753B (en) | 2015-08-24 | 2015-08-24 | A kind of vacuum liquid extractor for operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105031753A CN105031753A (en) | 2015-11-11 |
| CN105031753B true CN105031753B (en) | 2017-08-25 |
Family
ID=54439102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510517980.7A Expired - Fee Related CN105031753B (en) | 2015-08-24 | 2015-08-24 | A kind of vacuum liquid extractor for operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105031753B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US767502A (en) * | 1903-01-09 | 1904-08-16 | Vitus Schwaninger | Apparatus for exhausting vapors or gases. |
| US943556A (en) * | 1908-11-16 | 1909-12-14 | Tom Wiseman Lowden | Vacuum-pump. |
| US2172949A (en) * | 1938-07-01 | 1939-09-12 | Burrows Company | Suction evacuator for surgical and similar operations |
| US2402991A (en) * | 1945-04-27 | 1946-07-02 | Walter A Dunham | Suction pump |
| US4870975A (en) * | 1988-07-05 | 1989-10-03 | Scott Cronk | Suction canister assembly for the collection of body fluids and tissue specimens |
| JP6154904B2 (en) * | 2013-08-22 | 2017-06-28 | 株式会社ジェイ・エム・エス | Blood component separation device |
-
2015
- 2015-08-24 CN CN201510517980.7A patent/CN105031753B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105031753A (en) | 2015-11-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20180824 |