CN105031755B - Vacuum liquid extractor for operation - Google Patents
Vacuum liquid extractor for operation Download PDFInfo
- Publication number
- CN105031755B CN105031755B CN201510517983.0A CN201510517983A CN105031755B CN 105031755 B CN105031755 B CN 105031755B CN 201510517983 A CN201510517983 A CN 201510517983A CN 105031755 B CN105031755 B CN 105031755B
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- hole
- rotary drum
- backboard
- exhaust passage
- 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 is symmetrically arranged with upper water box and lower header on the slip ring, and negative pressure channel and exhaust passage are set in rotary drum；Negative pressure through hole and exhaust through hole are correspondingly arranged on slip ring, backboard negative pressure channel and backboard exhaust passage are correspondingly arranged in upper water box and lower header.The depression drainage device is driven using liquid gravity, and without electric energy, the negative pressure duration is long, 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 various 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 requirement negative pressure duration is long, pressure
Stablize 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 kind is negative using motor-driven pressure pump type
Pressure generator.The manually driven negative pressure generator duration is short, pressure transient, poor reliability, and due to negative pressure cavity with
Liquid storage cylinder must be temporarily ceased drainage, be emptied liquid storage cylinder using same container, hydrops after filling liquid storage cylinder, and flow diverter cannot be continuous
Using and be susceptible to 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, has prevented the danger of cross-infection, but still suffers from pressure transient, the problem of poor reliability, once pressure
Pump breaks down will influence the normal work of flow diverter.
The content of the invention
It is an object of the invention to provide a kind of negative pressure duration is long, the sustainable work high of 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 sets
Chuck is equipped with, the upper end of the chuck is provided with spiracle, fixation is fitted with horizontally disposed outer tube between chuck and fluid reservoir,
Delivery pipe is rotatably fitted with the inner chamber of the outer tube, dividing plate, the dividing plate are provided with the inner chamber of the delivery pipe
Inner side and fluid reservoir inner space, be provided with entrance hole and leadout hole on the tube wall of delivery pipe, the entrance hole and lead
Portal respectively positioned at the both sides of dividing plate, the collar aperture for corresponding to entrance hole and leadout hole respectively is provided with the tube wall of outer tube；
The negative pressure generator includes the rotary drum being coaxially disposed, the slip ring being rotatably sleeved on rotary drum, axle center pair on the slip ring
Title is provided with upper water box and lower header, the upper water box and lower header is by the backboard being fixedly connected on slip ring outer ring surface and buckles
Close and constituted in the positive housing of backboard, negative pressure channel and exhaust passage are set in the rotary drum, the negative pressure channel connects negative pressure
Pipe, the negative pressure channel is provided with the negative pressure channel interface positioned at rotary drum outer ring surface, and the exhaust passage is provided with positioned at rotary drum outer shroud
The exhaust passage interface in face, the negative pressure channel interface and exhaust passage interface are symmetrical arranged and turned with the axle center of rotary drum
Bulging axis direction is staggered；The negative pressure through hole and connection inner and outer ring for connecting inside and outside anchor ring are provided with the slip ring
Face exhaust through hole, the negative pressure channel interface on the inner port correspondence rotary drum of the negative pressure through hole, the exhaust through hole
Exhaust passage interface on inner port correspondence rotary drum, is provided with backboard negative pressure channel and backboard exhaust passage, institute in the backboard
State backboard negative pressure channel along rotary drum radial distribution, inner port correspondence negative pressure through hole external port be communicated to upper water box or lower water
The distal end of case, the inner port correspondence of the backboard exhaust passage is vented through hole, external port connection upper water box or lower header
Near-end；The upper water box is connected with lower header proximally by connecting tube.
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 the part A mplifying structure schematic diagram of Fig. 1.
Specific 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, continuous drainage can be realized by liquid discharge without the negative pressure in destruction fluid reservoir 1.
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 provided with spiracle
121, for adjusting the air pressure in chuck 12, fixation is fitted with horizontally disposed outer tube 121 between chuck 12 and fluid reservoir 1,
Outer tube 121 is connected across between chuck 12 and the side wall of fluid reservoir 1.Rotatably it is fitted with the inner chamber of the outer tube 121
Delivery pipe 11, is provided with dividing plate 111 in the inner chamber of the delivery pipe 11, delivery pipe 11 is separated into inside and outside two by the dividing plate 111
Point.The inner side of the dividing plate 111 and the inner space of fluid reservoir 1, are provided with entrance hole 112 and lead on the tube wall of delivery pipe 11
Portal 113, the entrance hole 112 and leadout hole 113 are set respectively positioned at the both sides of dividing plate 111 on the tube wall of outer tube 121
There is the collar aperture 122,123 for corresponding to entrance hole 112 and leadout hole 113 respectively；When delivery pipe 11 rotates, collar aperture 122,
123 can dock conducting with entrance hole 112 or leadout hole 113 respectively, but the docking of entrance hole 112 or leadout hole 113 is led
Logical realized in the state of delivery pipe 11 is in different angles, i.e., entrance hole 112 and leadout hole 113 can not simultaneously be docked and led
It is logical.When normal drainage, delivery pipe 11 is rotated to an angle, entrance hole 112 and leadout hole 113 is closed, this phase
Closed when in fluid reservoir 1.After fluid reservoir 1 is filled, delivery pipe 11 is rotated to an angle, make to be located at the inner side of dividing plate 111
The alignment sleeve pore 122 of entrance hole 112, now the inner chamber of fluid reservoir 1 passes through entrance hole 112 and collar aperture 122 is linked up, fluid reservoir 1
In hydrops can enter in chuck 12, now, leadout hole 113 on the side wall of delivery pipe 11 by the side wall closure of outer tube 121,
Delivery pipe 11 is not turned on simultaneously.After the hydrops in fluid reservoir 1 and chuck 12 is balanced, delivery pipe 11 is rotated to an angle again,
Make to be located at the alignment sleeve pore 123 of leadout hole 113 on the outside of dividing plate 111, the hydrops in chuck 12 passes through leadout hole 113 and collar aperture
123 flow into delivery pipe 11 discharges.
The negative tube 3 connects negative pressure generator, and negative pressure generator produces negative pressure to be 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 is had columned outer ring surface and is fitted close with the inner ring surface of slip ring 5 by the outer ring surface, 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, it is highly much larger than width.
Negative pressure channel 41 and exhaust passage 42 are set in the rotary drum 4, and the connection negative tube 3 of the negative pressure channel 41 is 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 is provided with positioned 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 the axis direction in rotary drum 4 is staggered, and 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
Negative pressure channel interface on correspondence rotary drum 4, the exhaust passage interface on 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 slip ring 5 rotation make upper end negative pressure through hole 51 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
Road 62,72 is communicated to upper water box 6 or lower header 7 along the radial distribution of rotary drum 4, the external port of inner port correspondence negative pressure through hole 51
Distal end, the backboard exhaust passage 73 inner port correspondence exhaust through hole 52, external port connection upper water box 6 or lower header
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
Negative pressure through hole 51 connection negative pressure channel interface and the negative pressure channel 41 of upper end, the backboard exhaust passage 73 on upper water box 6 is turned
The outer shroud face closure of drum 4；At the same time, lower header 7 is located at the lower section of rotary drum 4, and the backboard negative pressure channel 72 on lower header 7 is turned
The outer shroud face closure of drum 4, the backboard exhaust passage on lower header 7 connects logical exhaust by the negative pressure through hole 52 of 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 for connecting, when upper water box 6 fills the liquid such as water, water etc. with lower header 7
During liquid can gradually flow to lower header 7 by connecting tube 8, 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 is 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 the transposition of 180 degree, upper water box 6 and lower header 7, you can continue to produce and bear
Pressure.
Claims (1)
1. vacuum liquid extractor for operation, including fluid reservoir（1）, installed in fluid reservoir（1）On drainage tube（2）And negative tube（3）, institute
State negative tube（3）Connection negative pressure generator, it is characterised in that：The fluid reservoir（1）Outer surface be provided with chuck（12）, it is described
Chuck（12）Upper end be provided with spiracle（121）, chuck（12）With fluid reservoir（1）Between fixation be fitted with horizontally disposed overcoat
Pipe（121）, the outer tube（121）Inner chamber in be rotatably fitted with delivery pipe（11）, the delivery pipe（11）Inner chamber
In be provided with dividing plate（111）, the dividing plate（111）Inner side and fluid reservoir（1）Inner space, 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）Dividing plate is located at respectively
（111）Both sides, in outer tube（121）Tube wall on be provided with respectively correspond to entrance hole（112）And leadout hole（113）Sleeve pipe
Hole（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）And lower header（7）
By being fixedly connected on slip ring（5）Backboard on outer ring surface（61、71）Be fastened on backboard（61、71）Positive housing is constituted,
The rotary drum（4）Middle setting negative pressure channel（41）And exhaust passage（42）, the negative pressure channel（41）Connection negative tube（3）, institute
State negative pressure channel（41）It is provided with positioned at rotary drum（4）The negative pressure channel interface of outer ring surface, the exhaust passage（42）It is provided with to be located at and turns
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 symmetrically set
Put and in rotary drum（4）Axis direction be staggered；The slip ring（5）On be provided with and connect the negative pressure of inside and outside anchor ring and run 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, the 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）, external port connection upper water box（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 |
|---|---|---|---|
| CN201510517983.0A CN105031755B (en) | 2015-08-24 | 2015-08-24 | Vacuum liquid extractor for operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510517983.0A CN105031755B (en) | 2015-08-24 | 2015-08-24 | Vacuum liquid extractor for operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105031755A CN105031755A (en) | 2015-11-11 |
| CN105031755B true CN105031755B (en) | 2017-07-07 |
Family
ID=54439104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510517983.0A Expired - Fee Related CN105031755B (en) | 2015-08-24 | 2015-08-24 | Vacuum liquid extractor for operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105031755B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE428324C (en) * | 1926-04-29 | Albert Honold Dr | Device for generating negative pressure | |
| 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 |
| SE419030B (en) * | 1979-01-18 | 1981-07-13 | Goran Ahlbeck | URTINING DEVICE CONSENTING A BREATHING RELATIONSHIP OF SAVEL SLEEPING AS EXCITING PATIENTS |
| US4870975A (en) * | 1988-07-05 | 1989-10-03 | Scott Cronk | Suction canister assembly for the collection of body fluids and tissue specimens |
-
2015
- 2015-08-24 CN CN201510517983.0A patent/CN105031755B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105031755A (en) | 2015-11-11 |
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| 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 |
Granted publication date: 20170707 Termination date: 20180824 |
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| CF01 | Termination of patent right due to non-payment of annual fee |