CN105031755A - Medical negative pressure drainage device - Google Patents
Medical negative pressure drainage device Download PDFInfo
- Publication number
- CN105031755A CN105031755A CN201510517983.0A CN201510517983A CN105031755A CN 105031755 A CN105031755 A CN 105031755A CN 201510517983 A CN201510517983 A CN 201510517983A CN 105031755 A CN105031755 A CN 105031755A
- 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.)
- Granted
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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
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Otolaryngology (AREA)
- Vascular Medicine (AREA)
- External Artificial Organs (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to a medical apparatus, in particular to a medical negative pressure drainage device. The medical negative pressure drainage device comprises a liquid storage tank, a drainage tube and a negative pressure tube, wherein the drainage tube and the negative pressure tube are installed on the liquid storage tank. The negative pressure tube is connected with a negative pressure generator. The negative pressure generator comprises drums which are coaxially arranged and sliding rings rotationally arranged on the drums in a sleeving mode. The sliding rings are provided with an upper water tank and a lower water tank in an axis symmetry mode. A negative pressure channel and an exhausting channel are arranged in the drums. A negative pressure penetrating hole and an exhausting penetrating hole are correspondingly formed in the sliding rings. A backboard negative pressure channel and a backboard exhausting channel are correspondingly arranged in the upper water tank and the lower water tank. The medical negative pressure drainage device is driven through liquid gravity and does not need electric energy, negative pressure lasting time is long, pressure is stable, and reliability is high.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, is a kind of vacuum liquid extractor for operation specifically.
Background technology
For multiple postoperative patient, conventional negative pressure drainage, by outside the liquid body exudate lead body of wound surface or by negative compression minor cut or wound wound surface lacuna, is conducive to the healing of wound tissue.This negative pressure drainage requires that the negative pressure persistent period is long, pressure stability is controlled.The operation principle of existing depression drainage device can be divided into two kinds according to power resources, and a kind of is the piston tubular type negative pressure generator adopting manually driven negative pressure drainage ball or syringe-like, and another kind adopts motor-driven pressure pump type negative pressure generator.Manually driven negative pressure generator persistent period short, pressure transient, poor reliability, and adopt same container due to negative pressure cavity and liquid storage cylinder, temporarily must stop drain after liquid storage cylinder filled by hydrops, empty liquid storage cylinder, drainage device cannot use continuously and easily cross infection occur; The pressure pump type negative pressure generator persistent period is long, negative pressure cavity and liquid storage cylinder adopt two different containers respectively, have stopped the danger of cross infection, but still there is pressure transient, the problem of poor reliability, once compression pump breaks down will affect the normal work of drainage device.
Summary of the invention
The object of the present invention is to provide the vacuum liquid extractor for operation of a kind of negative pressure persistent period length, pressure stability, sustainable work that reliability is high.
In order to reach above object, the technical solution adopted in the present invention is: this vacuum liquid extractor for operation comprises fluid reservoir, be arranged on the drainage tube on fluid reservoir and negative tube, described negative tube connects negative pressure generator, the outer surface of described fluid reservoir is provided with chuck, the upper end of described chuck is provided with spiracle, horizontally disposed trocar sheath is fixedly fitted with between chuck and fluid reservoir, rotatably delivery pipe is fitted with in the inner chamber of described trocar sheath, dividing plate is provided with in the inner chamber of described delivery pipe, the inner side of described dividing plate and the inner space of fluid reservoir, the tube wall of delivery pipe is provided with entrance hole and leadout hole, described entrance hole and leadout hole lay respectively at the both sides of dividing plate, the tube wall of trocar sheath is provided with the collar aperture of corresponding entrance hole and leadout hole respectively, described negative pressure generator comprises the coaxial rotary drum arranged, rotatably be sleeved on the slip ring on rotary drum, on described slip ring, axle center is symmetrically arranged with upper water box and lower header, described upper water box and lower header are by the backboard be fixedly connected on slip ring outer ring surface and the housing formation being fastened on backboard front, negative pressure channel and exhaust passage are set in described rotary drum, described negative pressure channel is communicated with negative tube, described negative pressure channel is provided with the negative pressure channel interface being positioned at rotary drum outer ring surface, described exhaust passage is provided with the exhaust passage interface being positioned at rotary drum outer ring surface, described negative pressure channel interface and exhaust passage interface are symmetrical arranged with the axle center of rotary drum, and be crisscross arranged at the axis direction of rotary drum, described slip ring is provided with in connection, the negative pressure through hole of outer ring surface and the inside and outside anchor ring aerofluxus through hole of connection, negative pressure channel interface on the corresponding rotary drum of inner port of described negative pressure through hole, exhaust passage interface on the corresponding rotary drum of inner port of described aerofluxus through hole, backboard negative pressure channel and backboard exhaust passage is provided with in described backboard, described backboard negative pressure channel is along the radial distribution of rotary drum, inner port corresponding negative pressure through hole external port is communicated to the far-end of upper water box or lower header, the corresponding aerofluxus through hole of inner port of described backboard exhaust passage, external port is communicated with the near-end of upper water box or lower header, described upper water box is communicated with proximally by connection tube with lower header.
Beneficial effect of the present invention is: this depression drainage device adopts liquid gravity to drive, and without the need to electric energy, negative pressure persistent period length, pressure stability, reliability are high.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the Facad structure schematic diagram of negative pressure generator.
Fig. 3 is the part A structure for amplifying schematic diagram of Fig. 1.
Detailed description of the invention
As shown in Figure 1, vacuum liquid extractor for operation of the present invention comprises fluid reservoir 1, be arranged on drainage tube 2 on fluid reservoir 1 and negative tube 3, fluid reservoir 1 is for depositing draining fluids, for convenience of using, delivery pipe 11 can also be set in the bottom of fluid reservoir 1, after fluid reservoir 1 is filled, negative pressure liquid discharge can not destroyed in fluid reservoir 1, realizes continuous drain.
As shown in Figure 1, the outer surface of described fluid reservoir 1 is provided with chuck 12, the upper end of described chuck 12 is provided with spiracle 121, for regulating the air pressure in chuck 12, fixedly be fitted with horizontally disposed trocar sheath 121 between chuck 12 and fluid reservoir 1, trocar sheath 121 is connected across between the sidewall of chuck 12 and fluid reservoir 1.Rotatably be fitted with delivery pipe 11 in the inner chamber of described trocar sheath 121, be provided with dividing plate 111 in the inner chamber of described delivery pipe 11, delivery pipe 11 is separated into inside and outside two parts by this dividing plate 111.The inner side of described dividing plate 111 and the inner space of fluid reservoir 1, the tube wall of delivery pipe 11 is provided with entrance hole 112 and leadout hole 113, described entrance hole 112 and leadout hole 113 lay respectively at the both sides of dividing plate 111, and the tube wall of trocar sheath 121 is provided with the collar aperture 122,123 of corresponding entrance hole 112 and leadout hole 113 respectively; Time delivery pipe 11 rotates, collar aperture 122,123 can dock conducting with entrance hole 112 or leadout hole 113 respectively, but realize under the state that the docking conducting of entrance hole 112 or leadout hole 113 is delivery pipes 11 is in different angles, namely entrance hole 112 and leadout hole 113 can not dock conducting simultaneously.When normal drainage, delivery pipe 11 is rotated to an angle, make entrance hole 112 and leadout hole 113 all closed, be now equivalent to fluid reservoir 1 and close.After fluid reservoir 1 is filled, delivery pipe 11 is rotated to an angle, make the entrance hole 112 alignment sleeve pore 122 be positioned at inside dividing plate 111, now the inner chamber of fluid reservoir 1 is linked up by entrance hole 112 and collar aperture 122, hydrops in fluid reservoir 1 can enter in chuck 12, now, the leadout hole 113 on delivery pipe 11 sidewall by the sidewall shutoff of trocar sheath 121, delivery pipe 11 not conducting.After the hydrops in fluid reservoir 1 with chuck 12 balances, again rotated to an angle by delivery pipe 11, make the leadout hole 113 alignment sleeve pore 123 be positioned at outside dividing plate 111, the hydrops in chuck 12 flows to delivery pipe 11 by leadout hole 113 and collar aperture 123 and discharges.
Described negative tube 3 connects negative pressure generator, and negative pressure generator produces negative pressure and acts on by negative tube 3 and drainage tube 2 puncture needle being connected to drainage tube 2 front end, is drawn out to by liquid body exudate in fluid reservoir 1.
Described negative pressure generator comprise coaxial arrange rotary drum 4, be rotatably sleeved on slip ring 5 on rotary drum 4, described rotary drum 4 is had columned outer ring surface and is closely cooperated by the inner ring surface of this outer ring surface and slip ring 5, and slip ring 5 can rotate on rotary drum 4.On described slip ring 5, axle center is symmetrically arranged with upper water box 6 and lower header 7, described upper water box 6 and lower header 7 are by the backboard 61,71 be fixedly connected on slip ring 5 outer ring surface and the housing formation being fastened on backboard 61,71 front, upper water box 6 and lower header 7 are all along the radially-arranged strip structure of rotary drum 4 or spindle-type α-Fe2O3, and its height is much larger than width.
Negative pressure channel 41 and exhaust passage 42 are set in described rotary drum 4, described negative pressure channel 41 is communicated with negative tube 3, described negative pressure channel 41 is provided with the negative pressure channel interface being positioned at rotary drum 4 outer ring surface, described exhaust passage 42 is provided with the exhaust passage interface being positioned at rotary drum 4 outer ring surface, rotary drum 4 is also provided with the open interface being communicated with exhaust passage 42, is communicated with air.Described negative pressure channel interface and exhaust passage interface are symmetrical arranged with the axle center of rotary drum 4 and are crisscross arranged at the axis direction of rotary drum 4, and under rotary drum 4 stationary state, negative pressure channel interface upward opening, exhaust passage interface are under shed; Described slip ring 5 is provided with the negative pressure through hole 51 being communicated with inside and outside anchor ring and is communicated with inside and outside anchor ring aerofluxus through hole 52, negative pressure channel interface on the corresponding rotary drum 4 of inner port of described negative pressure through hole 51, exhaust passage interface on the corresponding rotary drum 4 of inner port of described aerofluxus through hole 52, because negative pressure channel interface and exhaust passage interface are symmetrical arranged with the axle center of rotary drum 4, one group of negative pressure through hole 51 and aerofluxus through hole 52 are respectively set on slip ring 5, with the axle center symmetric position of rotary drum 4.When slip ring 5 rotation makes the negative pressure through hole 51 of upper end just to negative pressure channel interface time, the aerofluxus through hole 52 of lower end also just in time connects exhaust passage interface.
Backboard negative pressure channel 62,72 and backboard exhaust passage 73 is provided with in described backboard 61,71, described backboard negative pressure channel 62,72 is communicated to the far-end of upper water box 6 or lower header 7 along the radial distribution of rotary drum 4, inner port corresponding negative pressure through hole 51 external port, and the corresponding aerofluxus through hole 52 of inner port of described backboard exhaust passage 73, external port are communicated with the near-end of upper water box 6 or lower header 7; The setting in two backboards of backboard negative pressure channel 62,72 and backboard exhaust passage 73 is also be symmetrical arranged with the axle center of rotary drum 4.When upper water box 6 rotates to top with slip ring 5 time, backboard negative pressure channel 62 on upper water box 6 is communicated with negative pressure channel interface and negative pressure channel 41 by the negative pressure through hole 51 of slip ring 5 upper end, and the backboard exhaust passage 73 on upper water box 6 is closed by the outer ring surface of rotary drum 4; Meanwhile, lower header 7 is positioned at the below of rotary drum 4, and the backboard negative pressure channel 72 on lower header 7 is closed by the outer ring surface of rotary drum 4, and the backboard exhaust passage on lower header 7 is communicated with logical exhaust passage interface and exhaust passage 42 by the negative pressure through hole 52 of slip ring 5 lower end.Slip ring 5 is revolved turnback, then can by the location swap of upper water box 6 and lower header 7.
Described upper water box 6 is communicated with proximally by connection tube 8 with lower header 7.
Upper water box 6 and lower header 7 form two liquid containers be communicated with, time the liquid such as water filled by upper water box 6, the liquid such as water can flow in lower header 7 by connection tube 8 gradually, air in lower header 7 is discharged by exhaust passage 42, after liquid in upper water box 6 reduces, in negative pressure channel 41, produce negative pressure, act on fluid reservoir 1 by negative tube 3; After emptying rate of liquid in upper water box 6, as long as slip ring 5 is revolved turnback, the transposition of upper water box 6 and lower header 7, can continue to produce negative pressure.
Claims (1)
1. vacuum liquid extractor for operation, comprise fluid reservoir (1), be arranged on the drainage tube (2) on fluid reservoir (1) and negative tube (3), described negative tube (3) connects negative pressure generator, it is characterized in that: the outer surface of described fluid reservoir (1) is provided with chuck (12), the upper end of described chuck (12) is provided with spiracle (121), horizontally disposed trocar sheath (121) is fixedly fitted with between chuck (12) and fluid reservoir (1), delivery pipe (11) is rotatably fitted with in the inner chamber of described trocar sheath (121), dividing plate (111) is provided with in the inner chamber of described delivery pipe (11), the inner side of described dividing plate (111) and the inner space of fluid reservoir (1), the tube wall of delivery pipe (11) is provided with entrance hole (112) and leadout hole (113), described entrance hole (112) and leadout hole (113) lay respectively at the both sides of dividing plate (111), the tube wall of trocar sheath (121) is provided with the collar aperture (122 of corresponding entrance hole (112) and leadout hole (113) respectively, 123), described negative pressure generator comprises the coaxial rotary drum (4) arranged, rotatably be sleeved on the slip ring (5) on rotary drum (4), the upper axle center of described slip ring (5) is symmetrically arranged with upper water box (6) and lower header (7), described upper water box (6) and lower header (7) are by the backboard (61 be fixedly connected on slip ring (5) outer ring surface, 71) and be fastened on backboard (61, 71) housing in front is formed, negative pressure channel (41) and exhaust passage (42) are set in described rotary drum (4), described negative pressure channel (41) is communicated with negative tube (3), described negative pressure channel (41) is provided with the negative pressure channel interface being positioned at rotary drum (4) outer ring surface, described exhaust passage (42) is provided with the exhaust passage interface being positioned at rotary drum (4) outer ring surface, described negative pressure channel interface and exhaust passage interface are symmetrical arranged with the axle center of rotary drum (4), and be crisscross arranged at the axis direction of rotary drum (4), (5) are provided with in connection described slip ring, the negative pressure through hole (51) of outer ring surface and the inside and outside anchor ring aerofluxus through hole (52) of connection, negative pressure channel interface on the corresponding rotary drum (4) of inner port of described negative pressure through hole (51), exhaust passage interface on the corresponding rotary drum (4) of inner port of described aerofluxus through hole (52), described backboard (61, 71) backboard negative pressure channel (62 is provided with in, 72) and backboard exhaust passage (73), described backboard negative pressure channel (62, 72) along the radial distribution of rotary drum (4), corresponding negative pressure through hole (51) external port of inner port is communicated to the far-end of upper water box (6) or lower header (7), corresponding aerofluxus through hole (52) of inner port of described backboard exhaust passage (73), external port is communicated with the near-end of upper water box (6) or lower header (7), described upper water box (6) is communicated with proximally by connection tube (8) with lower header (7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201510517983.0A CN105031755B (en) | 2015-08-24 | 2015-08-24 | Vacuum liquid extractor for operation |
Publications (2)
Publication Number | Publication Date |
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CN105031755A true CN105031755A (en) | 2015-11-11 |
CN105031755B CN105031755B (en) | 2017-07-07 |
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ID=54439104
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510517983.0A Expired - Fee Related CN105031755B (en) | 2015-08-24 | 2015-08-24 | Vacuum liquid extractor for operation |
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Citations (7)
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. |
DE428324C (en) * | 1926-04-29 | Albert Honold Dr | Device for generating negative pressure | |
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 |
US4421510A (en) * | 1979-01-18 | 1983-12-20 | Ahlbeck Stig Goran | Urine drainage device permitting training of the bladder |
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
Patent Citations (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 |
US4421510A (en) * | 1979-01-18 | 1983-12-20 | Ahlbeck Stig Goran | Urine drainage device permitting training of the bladder |
US4870975A (en) * | 1988-07-05 | 1989-10-03 | Scott Cronk | Suction canister assembly for the collection of body fluids and tissue specimens |
Also Published As
Publication number | Publication date |
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CN105031755B (en) | 2017-07-07 |
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Granted publication date: 20170707 Termination date: 20180824 |