CN109692370A - A kind of Nephrology dept.'s pressurization ultrafiltration apparatus - Google Patents
A kind of Nephrology dept.'s pressurization ultrafiltration apparatus Download PDFInfo
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- CN109692370A CN109692370A CN201811585359.4A CN201811585359A CN109692370A CN 109692370 A CN109692370 A CN 109692370A CN 201811585359 A CN201811585359 A CN 201811585359A CN 109692370 A CN109692370 A CN 109692370A
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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
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of Nephrology dept. pressurization ultrafiltration apparatus, including protective shell, the inside of protective shell is equipped with the first cavity and the second cavity, partition is welded between first cavity and the second cavity, first cavity is located at the side of partition, the upper and lower side of first cavity is equipped with slot, the inside of first cavity is equipped with the first ball, the side of first ball is fixedly connected with the second fixed block, second fixed block is welded on the inner wall of the first cavity, the other side of first ball is fixedly connected on a middle side part of partition, the upper and lower side of first ball is fixedly connected to the first fixed block, the present invention is that a structure is simple and the ultrafiltration apparatus of small volume, it is more convenient when use, convenient for movement of the invention, the present invention on protective shell by being provided with the snap-gauge with through slot, filter membrane is provided with inside through slot, it is arranged in diaphragm internal Connecting tube with card slot, so that the present invention is more convenient when replacing filter membrane.
Description
Technical field
The invention belongs to technical field of medical equipment, in particular to a kind of Nephrology dept.'s pressurization ultrafiltration apparatus.
Background technique
Ultrafiltration apparatus is a kind of Medical Devices of Nephrology dept., is a kind of filter plant, and existing ultrafiltration apparatus structure is multiple
Miscellaneous, when use, is more inconvenient, and volume is larger, is more troublesome when mobile, and the filter membrane on device for filter liquor is being replaced
When be more troublesome.
Summary of the invention
The object of the invention is that providing a kind of Nephrology dept.'s pressurization ultrafiltration apparatus to solve the above-mentioned problems, solve
Structure is complicated for existing ultrafiltration apparatus, and when use is more inconvenient, and volume is larger, is more troublesome when mobile, was used on device
The shortcomings that filter membrane of filter filtrate is more troublesome in replacement.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions:
A kind of Nephrology dept.'s pressurization ultrafiltration apparatus, including protective shell, the inside of the protective shell are equipped with the first cavity and the second cavity,
Partition is welded between first cavity and the second cavity, first cavity is located at the side of partition, first cavity
Upper and lower side be equipped with slot, the inside of first cavity is equipped with the first ball, and the side of first ball is fixed
It is connected with the second fixed block, second fixed block is welded on the inner wall of the first cavity, and the other side of first ball is solid
Surely it is connected to a middle side part of partition, the upper and lower side of first ball is fixedly connected to the first fixed block, and described first
Fixed block is rotatably connected to screw rod far from one end of the first ball, and the screw rod and with side slot is located in same vertical
On line, it is arranged with first bevel gear on the screw rod, where the first bevel gear is threaded on screw rod, described the
One bevel gear is equipped with sliding slot far from the side of the first fixed block, and the sliding slot is in ring type structure, and the inside of the sliding slot is equal
Sliding block is slidably connected, the side upper and lower side of the first partition is welded with motor, and the output end of the motor is welded with
Transmission shaft, the transmission shaft are welded with second bevel gear far from one end of place motor, and the second bevel gear is and ipsilateral
First bevel gear engagement connection.
Preferably, second cavity is located at the other side of partition, the inside of second cavity is equipped with the second rubber
Ball, the size of second ball is identical with the size of the first ball, and second ball and the first ball are located at
On same horizontal line, the side of second ball is fixedly connected on a middle side part of partition, second ball
The other side is fixedly connected with third fixed block, and the third fixed block is welded on the second cavity far from the side of the second ball
Inner wall, the interior welds of the partition have connecting tube, and the inside of the connecting tube is equipped with card slot, and one end of the connecting tube passes through
The side wall of first ball and the inside for extending to the first ball, the other end of the connecting tube pass through the side of the second ball
Wall and the inside for extending to the second ball, first ball and the second ball are communicated by connecting tube, the protection
The outside of shell is inserted with snap-gauge, and the snap-gauge includes connecting plate, and the connecting plate passes through the side wall of protective shell and extends to connection
The inside of pipe and the inside for being connected to the card slot, the connecting plate are equipped with through slot, and the inside of the through slot is fixedly connected with
Filter membrane, the diameter of the filter membrane and the diameter of connecting tube are identical, and the connecting plate is located at the welding of one end outside protective shell
There is pulling plate.
Preferably, the middle side part outside the protective shell is inserted with discharge nozzle, the discharge nozzle pass through protective shell and
The inside of second fixed block and the inside for extending to the first ball, the discharge nozzle is equipped with the first check valve, the protective shell
Feed pipe is inserted in the middle part of the external other side, the feed pipe passes through protective shell and third fixed block and extends to the second rubber
The inside of ball, the inside of the feed pipe are equipped with second one-way valve, and the other side lower end outside the protective shell is inserted with air inlet
Pipe, the air inlet pipe pass through the side wall of protective shell and extend to the inside of the second cavity, the air inlet pipe far from protective shell one
End is connected with air pump, and the upper and lower side of air pump side front and rear part is welded with support rod, and the side of the support rod is welded
On protective shell, the upper center of the air inlet pipe is connected with branch pipe, and the branch pipe is located at the support of air pump side upper end setting
Between bar, the upper end of the branch pipe is equipped with air pressure regulator, and the other side upper end outside the protective shell is inserted with escape pipe, institute
Escape pipe is stated across the side wall of protective shell and extends to the inside of the second cavity.
Preferably, the sliding block is welded with fixed link far from the side of the first ball, the fixed link is far from
One end of one ball is welded on the inner wall of the first cavity.
Preferably, diameter of the diameter of the screw rod than same side slot is small, the screw rod is fixed far from place first
One end of block inserts in the inside of same side slot.
Preferably, the lower end welding of the protective shell is there are four stabilizer blade, four stabilizer blades are located at protective shell
Four corner of lower end, the lower end of four stabilizer blades are equipped with non-slip mat.
Preferably, the side upper end outside the protective shell is welded with the first supporting plate and the second supporting plate, described first
Plate is located at the lower end of escape pipe, and the side of first supporting plate far from protective shell is connected with piston by first axle, institute
The upper end that the second supporting plate is located at escape pipe is stated, the upper end of second supporting plate is welded with link block.
Preferably, one end of the piston is connected to the inside of escape pipe, the upper end of the piston passes through second hinge
It is connected with connection buckle, the connection buckle is connected on link block.
Beneficial effects of the present invention: the present invention is that a structure is simple and the ultrafiltration apparatus of small volume, when use more
Convenient, convenient for movement of the invention, the present invention is arranged inside through slot by being provided with the snap-gauge with through slot on protective shell
Filter membrane is provided with the connecting tube with card slot in diaphragm internal, so that the present invention is more convenient when replacing filter membrane.
Detailed description of the invention:
Detailed description will be given by the following detailed implementation and drawings by the present invention for ease of explanation,.
Fig. 1 is cut away view of the invention；
Fig. 2 is enlarged structure schematic diagram at A of the invention；
Fig. 3 is enlarged structure schematic diagram at B of the invention；
Fig. 4 is enlarged structure schematic diagram at C of the invention；
Fig. 5 is enlarged structure schematic diagram at D of the invention；
Fig. 6 is the structural schematic diagram of first bevel gear of the present invention；
Fig. 7 is external structure schematic diagram of the invention；
Fig. 8 is the structural schematic diagram of snap-gauge of the present invention.
In figure: 1- protective shell, the first cavity of 2-, the second cavity of 3-, 4- partition, the first ball of 5-, the first fixed block of 6-,
7- slot, 8- screw rod, 9- first bevel gear, 10- sliding slot, 11- sliding block, 12- fixed link, 13- motor, 14- transmission shaft, 15-
Two bevel gears, the second fixed block of 16-, 17- discharge nozzle, the first check valve of 18-, the second ball of 19-, 20- connecting tube, 21- card
Slot, 22- feed pipe, 23- second one-way valve, 24- escape pipe, the first supporting plate of 25-, 26- first axle, 27- piston, 28- second
Hinge, 29- connection buckle, the second supporting plate of 30-, 31- link block, 32- support rod, 33- air pump, 34- air inlet pipe, 35- branch pipe, 36-
Air pressure regulator, 37- snap-gauge, 38- pulling plate, 39- connecting plate, 40- through slot, 41- filter membrane, 42- stabilizer blade, 43- third fixed block.
Specific embodiment:
As shown in figures 1-8, present embodiment uses following technical scheme: a kind of Nephrology dept.'s pressurization ultrafiltration apparatus, including protects
The inside of protective case 1, the protective shell 1 is equipped with the first cavity 2 and the second cavity 3, between first cavity 2 and the second cavity 3
It is welded with partition 4, first cavity 2 is located at the side of partition 4, and the upper and lower side of first cavity 2 is equipped with slot 7, institute
The inside for stating the first cavity 2 is equipped with the first ball 5, and the side of first ball 5 is fixedly connected with the second fixed block 16,
Second fixed block 16 is welded on the inner wall of the first cavity 2, and the other side of first ball 5 is fixedly connected on partition 4
A middle side part, the upper and lower side of first ball 5 is fixedly connected to the first fixed block 6, and first fixed block 6 is separate
One end of first ball 5 is rotatably connected to screw rod 8, and the screw rod 8 is equal and is located on same perpendicular bisector with side slot 7,
It is arranged with first bevel gear 9 on the screw rod 8, where the first bevel gear 9 is threaded on screw rod 8, described the
One bevel gear 9 is equipped with sliding slot 10 far from the side of the first fixed block 6, and the sliding slot 10 is in ring type structure, the sliding slot 10
Inside slidably connect sliding block 11, the side upper and lower side of the first partition 4 is welded with motor 13, the motor 13
Output end is welded with transmission shaft 14, and the described one end of transmission shaft 14 far from place motor 13 is welded with second bevel gear 15,
The second bevel gear 15 is connected with the engagement of ipsilateral first bevel gear 9.
Wherein, second cavity 3 is located at the other side of partition 4, and the inside of second cavity 3 is equipped with the second ball
19, the size of second ball 19 is identical with the size of the first ball 5, second ball 19 and the first ball
5 are located on same horizontal line, and the side of second ball 19 is fixedly connected on a middle side part of partition 4, and described second
The other side of ball 19 is fixedly connected with third fixed block 43, side of the third fixed block 43 far from the second ball 19
It is welded on the inner wall of the second cavity 3, the interior welds of the partition 4 have connecting tube 20, and the inside of the connecting tube 20 is equipped with card
Slot 21, one end of the connecting tube 20 pass through the side wall of the first ball 5 and extend to the inside of the first ball 5, the company
The other end of adapter tube 20 passes through the side wall of the second ball 19 and extends to the inside of the second ball 19, first ball
5 and second ball 19 communicated by connecting tube 20, the outside of the protective shell 1 is inserted with snap-gauge 37, and the snap-gauge 37 includes
Connecting plate 39, the connecting plate 39 pass through the side wall of protective shell 1 and extend to the inside of connecting tube 20 and be connected to the card slot
21 inside, the connecting plate 39 are equipped with through slot 40, and the inside of the through slot 40 is fixedly connected with filter membrane 41, the filtering
The diameter of film 41 is identical with the diameter of connecting tube 20, and one end that the connecting plate 39 is located at outside protective shell 1 is welded with pulling plate 38.
Wherein, the middle side part outside the protective shell 1 is inserted with discharge nozzle 17, and the discharge nozzle 17 passes through protective shell 1
With the second fixed block 16 and the inside of the first ball 5 is extended to, the inside of the discharge nozzle 17 is equipped with the first check valve 18, institute
It states and is inserted with feed pipe 22 in the middle part of the other side outside protective shell 1, the feed pipe 22 passes through protective shell 1 and third fixed block 43
And the inside of the second ball 19 is extended to, the inside of the feed pipe 22 is equipped with second one-way valve 23, outside the protective shell 1
Other side lower end be inserted with air inlet pipe 34, the air inlet pipe 34 passes through the side wall of protective shell 1 and extends to the interior of the second cavity 3
Portion, the air inlet pipe 34 are connected with air pump 33 far from one end of protective shell 1, and the upper and lower side of the 33 side front and rear part of air pump welds
It is connected to support rod 32, the side of the support rod 32 is welded on protective shell 1, and the upper center of the air inlet pipe 34 is connected with
Branch pipe 35, the branch pipe 35 are located between the support rod 32 of 33 side upper end of air pump setting, and the upper end of the branch pipe 35 is equipped with gas
Regulating valve 36 is pressed, the other side upper end outside the protective shell 1 is inserted with escape pipe 24, and the escape pipe 24 passes through protective shell 1
Side wall and extend to the inside of the second cavity 3.
Wherein, the sliding block 11 is welded with fixed link 12 far from the side of the first ball 5, and the fixed link 12 is separate
One end of first ball 5 is welded on the inner wall of the first cavity 2.
Wherein, diameter of the diameter of the screw rod 8 than same side slot 7 is small, and the screw rod 8 is far from the first fixed block of place
6 one end inserts in the inside of same side slot 7.
Wherein, there are four stabilizer blade 42, four stabilizer blades 42 are located at protective shell 1 for the lower end welding of the protective shell 1
Four corner of lower end, the lower end of four stabilizer blades 42 is equipped with non-slip mat.
Wherein, the side upper end outside the protective shell 1 is welded with the first supporting plate 25 and the second supporting plate 30, and described first
Plate 25 is located at the lower end of escape pipe 24, and side of first supporting plate 25 far from protective shell 1 is flexibly connected by first axle 26
There is piston 27, second supporting plate 30 is located at the upper end of escape pipe 24, and the upper end of second supporting plate 30 is welded with link block 31.
Wherein, one end of the piston 27 is connected to the inside of escape pipe 24, and the upper end of the piston 27 passes through the second hinge
Chain 28 is connected with connection buckle 29, and the connection buckle 29 is connected on link block 31.
It is specific: a kind of Nephrology dept.'s pressurization ultrafiltration apparatus, before use, the present invention is moved to work place, it will be of the invention
It lies in a horizontal plane on desktop or ground, the pipeline for conveying blood and feed pipe 22 is linked together, in use, passing through feed pipe
22 inject blood the inside of the second ball 19, and since the inside of feed pipe 22 is equipped with second one-way valve 23, blood enters the
It, will not be there is a phenomenon where flowing back when the inside of two balls 19, then booster air pump 33 and motor 13, air pump 33 pass through air inlet pipe
34 discharge the air into the inside of the second cavity 3, and the air being discharged into inside the second cavity 3 can squeeze the outside of the second ball 19,
The pressure inside the second ball 19, while 13 rotating drive shaft 14 of motor are increased, transmission shaft 14 passes through second bevel gear 15
Screw rod 8 is rotated with first bevel gear 9, moves screw rod 8 to the direction far from the first ball 5, the first ball 5 is stretched, makes
Pressure inside first ball 5 reduces, so that the inside of the first ball 5 and the inside of the second ball 19 form pressure
Difference, the blood inside the second ball 19 can be discharged into the inside of the first ball 5 by connecting tube 20, in the process, filtering
Film 41 can filter out the macromolecular substances in blood, and the blood inside the first ball 5 can flow into the inside of discharge nozzle 17, when
When one check valve 18 reaches certain pressure value close to the side of the first ball 5, the first check valve 18 is opened, the first ball 5
Internal blood flows out protective shell 1, due to being provided with the snap-gauge 37 with through slot 40 on protective shell 1, is provided with inside through slot 40
Filter membrane 41 is provided with the connecting tube 20 with card slot 21 inside partition 4, after a period of work, will be connected by pulling plate 38
Plate 39 is pulled out from the inside of connecting tube 20, clears up or replace filter membrane 41, then connecting plate 39 is caught in the inside of card slot 21 i.e.
It can.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, the technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
- The ultrafiltration apparatus 1. a kind of Nephrology dept. pressurizes, including protective shell (1), which is characterized in that the inside of the protective shell (1) is equipped with First cavity (2) and the second cavity (3) are welded with partition (4) between first cavity (2) and the second cavity (3), and described One cavity (2) is located at the side of partition (4), and the upper and lower side of first cavity (2) is equipped with slot (7), first cavity (2) inside is equipped with the first ball (5), and the side of first ball (5) is fixedly connected with the second fixed block (16), institute State the inner wall that the second fixed block (16) is welded on the first cavity (2), the other side of first ball (5) be fixedly connected on every The upper and lower side of one middle side part of plate (4), first ball (5) is fixedly connected to the first fixed block (6), and described first is solid Determine block (6) to be rotatably connected to screw rod (8) far from the one end of the first ball (5), the equal and same side slot (7) of screw rod (8) It on same perpendicular bisector, is arranged with first bevel gear (9) on the screw rod (8), the equal screw thread of the first bevel gear (9) Where being connected on screw rod (8), the first bevel gear (9) is equipped with sliding slot (10), institute far from the side of the first fixed block (6) Sliding slot (10) is stated in ring type structure, and the inside of the sliding slot (10) slidably connects sliding block (11), the first partition (4) Side upper and lower side be welded with motor (13), the output end of the motor (13) is welded with transmission shaft (14), the transmission Axis (14) is welded with second bevel gear (15) far from the one end of place motor (13), and the second bevel gear (15) is and ipsilateral First bevel gear (9) engagement connection.
- The ultrafiltration apparatus 2. a kind of Nephrology dept. according to claim 1 pressurizes, it is characterised in that: the second cavity (3) position In the other side of partition (4), the inside of second cavity (3) is equipped with the second ball (19), second ball (19) Size it is identical with the size of the first ball (5), second ball (19) and the first ball (5) are located at same water On horizontal line, the side of second ball (19) is fixedly connected on a middle side part of partition (4), second ball (19) The other side be fixedly connected with third fixed block (43), the third fixed block (43) far from the second ball (19) side weld The inner wall in the second cavity (3) is connect, the interior welds of the partition (4) have connecting tube (20), the inside of the connecting tube (20) Equipped with card slot (21), one end of the connecting tube (20) passes through the side wall of the first ball (5) and extends to the first ball (5) Inside, the other end of the connecting tube (20) passes through the side wall of the second ball (19) and extends to the second ball (19) Inside, first ball (5) and the second ball (19) are communicated by connecting tube (20), the outside of the protective shell (1) Be inserted with snap-gauge (37), the snap-gauge (37) includes connecting plate (39), the connecting plate (39) pass through protective shell (1) side wall and It extends to the inside of connecting tube (20) and is connected to the inside of the card slot (21), the connecting plate (39) is equipped with through slot (40), the inside of the through slot (40) is fixedly connected with filter membrane (41), the diameter and connecting tube (20) of the filter membrane (41) Diameter it is identical, the connecting plate (39) is located at the external one end of protective shell (1) and is welded with pulling plate (38).
- The ultrafiltration apparatus 3. a kind of Nephrology dept. according to claim 1 pressurizes, it is characterised in that: the protective shell (1) is external A middle side part be inserted with discharge nozzle (17), the discharge nozzle (17) passes through protective shell (1) and the second fixed block (16) and extension To the inside of the first ball (5), the inside of the discharge nozzle (17) is equipped with the first check valve (18), and the protective shell (1) is outside Be inserted with feed pipe (22) in the middle part of the other side in portion, the feed pipe (22) pass through protective shell (1) and third fixed block (43) and The inside of the second ball (19) is extended to, the inside of the feed pipe (22) is equipped with second one-way valve (23), the protective shell (1) external other side lower end is inserted with air inlet pipe (34), and the air inlet pipe (34) passes through the side wall of protective shell (1) and extends to The inside of second cavity (3), the air inlet pipe (34) are connected with air pump (33), the air pump far from the one end of protective shell (1) (33) upper and lower side of side front and rear part is welded with support rod (32), and the side of the support rod (32) is welded on protective shell (1) on, the upper center of the air inlet pipe (34) is connected with branch pipe (35), and the branch pipe (35) is located at air pump (33) side upper end Between the support rod (32) of setting, the upper end of the branch pipe (35) is equipped with air pressure regulator (36), protective shell (1) outside Other side upper end is inserted with escape pipe (24), and the escape pipe (24) passes through the side wall of protective shell (1) and extends to the second cavity (3) inside.
- The ultrafiltration apparatus 4. a kind of Nephrology dept. according to claim 1 pressurizes, it is characterised in that: the sliding block (11) is far from the The side of one ball (5) is welded with fixed link (12), and the fixed link (12) is welded far from the one end of the first ball (5) Connect the inner wall in the first cavity (2).
- The ultrafiltration apparatus 5. a kind of Nephrology dept. according to claim 1 pressurizes, it is characterised in that: the diameter of the screw rod (8) Diameter than same side slot (7) is small, and the screw rod (8) inserts in same side slot far from one end of the first fixed block of place (6) (7) inside.
- The ultrafiltration apparatus 6. a kind of Nephrology dept. according to claim 1 pressurizes, it is characterised in that: under the protective shell (1) There are four stabilizer blade (42) for end welding, and four stabilizer blades (42) are located at four corner of lower end of protective shell (1), described in four The lower end of stabilizer blade (42) is equipped with non-slip mat.
- The ultrafiltration apparatus 7. a kind of Nephrology dept. according to claim 3 pressurizes, it is characterised in that: the protective shell (1) is external Side upper end be welded with the first supporting plate (25) and the second supporting plate (30), first supporting plate (25) is located under escape pipe (24) End, side of first supporting plate (25) far from protective shell (1) is connected with piston (27) by first axle (26), described Second supporting plate (30) is located at the upper end of escape pipe (24), and the upper end of second supporting plate (30) is welded with link block (31).
- The ultrafiltration apparatus 8. a kind of Nephrology dept. according to claim 7 pressurizes, it is characterised in that: one end of the piston (27) It is connected to the inside of escape pipe (24), the upper end of the piston (27) is connected with connection buckle by second hinge (28) (29), the connection buckle (29) is connected on link block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811585359.4A CN109692370B (en) | 2018-12-24 | 2018-12-24 | Pressurization ultrafiltration device for nephrology department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811585359.4A CN109692370B (en) | 2018-12-24 | 2018-12-24 | Pressurization ultrafiltration device for nephrology department |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109692370A true CN109692370A (en) | 2019-04-30 |
| CN109692370B CN109692370B (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811585359.4A Expired - Fee Related CN109692370B (en) | 2018-12-24 | 2018-12-24 | Pressurization ultrafiltration device for nephrology department |
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| Country | Link |
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| CN (1) | CN109692370B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110124142A (en) * | 2019-06-24 | 2019-08-16 | 郭波 | One kind being applied to the external amphi position blood supply device of shaping free skin flap |
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- 2018-12-24 CN CN201811585359.4A patent/CN109692370B/en not_active Expired - Fee Related
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| JP2008036327A (en) * | 2006-08-10 | 2008-02-21 | Sophia Kai Miyata Naika Iin | Drip chamber for pressure monitoring |
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|---|---|
| CN109692370B (en) | 2021-08-10 |
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