CN105597171B - A kind of haemodialysis pump - Google Patents
A kind of haemodialysis pump Download PDFInfo
- Publication number
- CN105597171B CN105597171B CN201610133600.4A CN201610133600A CN105597171B CN 105597171 B CN105597171 B CN 105597171B CN 201610133600 A CN201610133600 A CN 201610133600A CN 105597171 B CN105597171 B CN 105597171B
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- CN
- China
- Prior art keywords
- turntable
- pump case
- wheel assembly
- case component
- roll wheel
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
- A61M60/113—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems in other functional devices, e.g. dialysers or heart-lung machines
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1601—Control or regulation
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
- A61M1/1645—Constructional aspects thereof with mechanically linked peristaltic dialysis fluid pumps one upstream, the other one downstream of the dialyser
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/50—Details relating to control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Urology & Nephrology (AREA)
- General Health & Medical Sciences (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Emergency Medicine (AREA)
- Mechanical Engineering (AREA)
- Pulmonology (AREA)
- Reciprocating Pumps (AREA)
- External Artificial Organs (AREA)
Abstract
The present invention relates to a kind of haemodialysis pumps,Including pump case component,Roll wheel assembly,Turntable,Rocking bar,Pipe clamp component,DC brushless motor and transparent upper cover,Hose inlet and outlet are offered on one face side wall of the pump case component,The roll wheel assembly is mounted in pump case component,The turntable is movably connected in the top of roll wheel assembly,The bottom of the turntable is provided with connector,The connector stretches in roll wheel assembly and coupled,Card slot is offered at the top of the turntable,The rocking bar is movably connected in card slot,One end of the rocking bar is flexibly connected by axis pin with turntable,The pipe clamp component is mounted on the hose import and export of pump case component,The DC brushless motor is mounted on the bottom of pump case component by connecting plate,The shaft end that goes out of the DC brushless motor is connected across roll wheel assembly with connector.The design has the advantages that simple in structure, easily fabricated and practicality and high efficiency.
Description
Technical field
The present invention relates to technical field of medical treatment mechanical, particularly a kind of haemodialysis pump.
Background technology
Haemodialysis pump is the one kind for belonging to positive displacement pump, is mainly used for the distribution conveying of blood.During haemodialysis pump work,
It is rotated by idler wheel, squeezes elastic hose, blood is conveyed by elastic hose.Existing haemodialysis pump is all direct using motor
Driving idler wheel is rotated into the conveying of promoting circulation of blood liquid, can not be operated manually, there is great limitations at work, can not meet
Modernize the demand of medical technology.
Invention content
The technical problem to be solved in the invention be in unexpected have a power failure, can be by the way that turntable be pulled to make connector and direct current
Brushless motor is separated, and so as to which roll wheel assembly be made to be separated with DC brushless motor, then rotates turntable manually by rocking bar, makes
Turntable is rotated together with roll wheel assembly, and squeezing elastic hose using roll wheel assembly carries out liquid conveying, increases its practicality
Performance；A kind of haemodialysis pump is provided.
To solve the technical issues of above-mentioned, structure of the invention includes
Pump case component, the pump case component be hollow semienclosed rectangular housing, the one of the pump case component
Hose inlet and outlet are offered on the wall of surface side,
Roll wheel assembly, the roll wheel assembly are mounted in pump case component,
Turntable, the turntable are movably connected in the top of roll wheel assembly, and the bottom of the turntable is provided with connector,
The connector stretches in roll wheel assembly and coupled, and the turntable is carried out by connector with roll wheel assembly
Rotation,
Rocking bar offers card slot at the top of the turntable, and the rocking bar is movably connected in card slot, the rocking bar
One end be flexibly connected by axis pin with turntable
Pipe clamp component, the pipe clamp component are mounted on the hose import and export of pump case component,
DC brushless motor, the DC brushless motor is mounted on the bottom of pump case component by connecting plate, described
The shaft end that goes out of DC brushless motor is stretched in pump case component, the DC brushless motor go out shaft end across roll wheel assembly with
Connector is connected,
Transparent upper cover, the transparent upper cover are connected to the top of pump case component by articulate.
Further：The roll wheel assembly includes fixing bracket, movable support, fixed idler whell, action roller and spring, institute
The support bracket fastened both sides stated are each provided with a fixed idler whell mounting base, and the fixed idler whell is installed mounted on fixed idler whell
In seat, one end of the movable support is movably connected in the outside of fixed idler whell mounting base, and the action roller is mounted on
In the other end of movable support, the spring is arranged between movable support and fixing bracket.
Further：The radius size of the action roller is more than the radius size of fixed idler whell.
Further：The support bracket fastened top opens up fluted, described groove relative to the position of connector
Center at offer through-hole, connecting hole, the shaft of the DC brushless motor are offered at the center of the connector
End is connected to across through-hole in the connecting hole of connector.
Further：On the turntable flat slot through-hole is offered relative to the position of connecting hole.
Further：A lead, the bottom of the connector are each provided on the groove of the through-hole both sides
Pilot hole has been offered relative to the position of lead.
Further：The pipe clamp component is made of deck, torsional spring, clamp and positioning pin, deck peace
Mounted in the hose import and export of pump case component, the both sides of the deck are each provided with a clamp, and it is fixed that the clamp passes through
Position pin is flexibly connected with deck, and torsional spring is additionally provided between the deck and clamp.
Further：Magnet inductive pick-up and magnetic switch, the pump case group are provided in the pump case component
The bottom of part is provided with PCB detection plates, and the magnet inductive pick-up and magnetic switch are electrically connected with PCB detection plates.
With the above structure, the present invention, can be by pulling turntable to make connector and brush DC in unexpected have a power failure
Motor is separated, and so as to which roll wheel assembly be made to be separated with DC brushless motor, then rotates turntable manually by rocking bar, makes turntable
It is rotated together with roll wheel assembly, squeezing elastic hose using roll wheel assembly carries out liquid conveying, increases its practical performance；
And the design of adaptive spring roller is used in roll wheel assembly, play the hose for adapting to different size and is prevented to hose mistake
Pressure causes the effect of hose fracture.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the installation diagram of the present invention.
Fig. 2 is the structure diagram of the present invention.
Fig. 3 is the structure diagram of roll wheel assembly.
Fig. 4 is the structure diagram of pipe clamp component.
Fig. 5 is the bottom view of roll wheel assembly.
Fig. 6 is the bottom view of turntable 3.
Fig. 7 is support bracket fastened vertical view.
Specific embodiment
A kind of haemodialysis pump as depicted in figs. 1 and 2, including pump case component 1, roll wheel assembly 2, turntable 3, rocking bar 7, pipe
Card component 4, DC brushless motor 5 and transparent upper cover 6, the pump case component 1 be hollow semienclosed rectangular housing, institute
Hose inlet and outlet are offered on one face side wall of the pump case component 1 stated, the roll wheel assembly 2 is mounted in pump case component 1, institute
The turntable 3 stated is movably connected in the top of roll wheel assembly 2, and the bottom of the turntable 3 is provided with connector 3-1, the company
Fitting 3-1 stretch in roll wheel assembly 2 and coupled, described turntable 3 by connector 3-1 with roll wheel assembly 2 into
Row rotation, the top of the turntable 3 offer card slot 3-2, and the rocking bar 7 is movably connected in card slot 3-2, and described shakes
One end of bar 7 is flexibly connected by axis pin with turntable 3, and the hose that the pipe clamp component 4 is mounted on pump case component 1 is imported and exported
Place, the DC brushless motor 5 are mounted on the bottom of pump case component 1 by connecting plate 8, the DC brushless motor 5
Go out shaft end 5-1 to stretch in pump case component 1, the DC brushless motor 5 goes out shaft end 5-1 across roll wheel assembly 2 with connecting
Part 3-1 is connected, and the transparent upper cover 6 is connected to the top of pump case component 1 by articulate.Before work, open on transparent
Lid 6 is installed elastic hose in pump case component 1, and elastic hose is made to be in contact with roll wheel assembly 2, then passes through pipe clamp component 4
The both ends of elastic hose are fixed, when being worked, starts DC brushless motor 5 and makes it through connector 3-1
It is rotated with turntable 3, is rotated using turntable 3 with roll wheel assembly 2, bullet is squeezed by the idler wheel in roll wheel assembly 2
Property hose carry out liquid conveying, when having a power failure suddenly, pulling turntable 3 makes the shaft of connector 3-1 and DC brushless motor 5
Hold 5-1 phase separations, so as to which roll wheel assembly 2 be made to be separated with DC brushless motor 5, then rotate turntable 3 manually by rocking bar 7,
Turntable 3 is made to be rotated together with roll wheel assembly 2, squeezing elastic hose using roll wheel assembly 2 carries out liquid conveying, increases its
Practical performance.
As Fig. 3, Fig. 5, Fig. 6 and roll wheel assembly shown in Fig. 72 include fixing bracket 2-1, movable support 2-2, fixed idler whell
The both sides of 2-3, action roller 2-4 and spring 2-5, the fixing bracket 2-1 are each provided with a fixed idler whell mounting base 2-
1-1, the fixed idler whell 2-3 are mounted in fixed idler whell mounting base 2-1-1, one end activity of the movable support 2-2
The outside of fixed idler whell mounting base 2-1-1 is connected to, the action roller 2-4 is mounted in the other end of movable support 2-2,
The spring 2-5 is arranged between movable support 2-2 and fixing bracket 2-1；The radius size of the action roller 2-4 is big
In the radius size of fixed idler whell 2-3.When needing to carry out extruding elastic hose, starting DC brushless motor 5 makes it utilize
Shaft end 5-1 is rotated with turntable 3, and turntable 3 is rotated by connector 3-1 with fixing bracket 2-1, movable support 2-
2 also can and then rotate together under the drive of fixing bracket 2-1, so as to utilize fixed idler whell 2-3 and action roller 2-4 to elasticity
Hose, which squeeze, completes liquid conveying.One end of movable support 2-2 in the design is movably connected in fixed idler whell mounting base
The outside of 2-1-1, and spring 2-5 is arranged between movable support 2-2 and fixing bracket 2-1, so being rotated in roll wheel assembly 2
During the position of movable support 2-2 can be adjusted automatically, the present invention by using adaptive spring roller design,
Play the role of adapting to the hose of different size and prevent from causing hose fracture to hose overvoltage.
Top such as Fig. 3, Fig. 5, Fig. 6 and fixing bracket 2-1 shown in Fig. 7 is offered relative to the position of connector 3-1
Groove 2-1-2 offers through-hole 2-1-3 at the center of the groove 2-1-2, is opened up at the center of the connector 3-1
There are connecting hole 3-1-1, the company for going out shaft end 5-1 and connector 3-1 being connected to across through-hole 2-1-3 of the DC brushless motor 5
It connects in the 3-1-1 of hole；A lead 2-1-4, the company are each provided on the groove 2-1-2 of the through-hole 2-1-3 both sides
The bottom of fitting 3-1 has offered pilot hole 3-1-2 relative to the position of lead 2-1-4.It is pulled when generation has a power failure suddenly
Turntable 3 makes it ramp up (connector 3-1 is not detached from groove 2-1-2) along lead 2-1-4, makes DC brushless motor
The 5 shaft end 5-1 that goes out is detached from connecting hole 3-1-1, so as to which turntable 3 be made to be separated with DC brushless motor 5, roller group at this time
Part 2 is also at discrete state with DC brushless motor 5, then can be manually rotated turntable 3 by rocking bar 7, and roll wheel assembly is even at this time
Turntable 3 is followed to rotate together under the action of fitting 3-1, squeezing elastic hose using roll wheel assembly 2 carries out liquid conveying, the design
There is simple in structure, easily fabricated and practicality and high efficiency.
On turntable 3 as shown in Figure 3 and Figure 6 flat slot through-hole is offered relative to the position of connecting hole 3-1-1；When progress hand
It is dynamic squeeze after, what rotary turnplate 3 made flat slot through-hole face DC brushless motor 5 goes out shaft end 5-1, then makes by lower rotary table 3
The shaft end 5-1 that goes out of DC brushless motor 5 is reconnected in connecting hole 3-1-1, turntable 3 is made to be realized with DC brushless motor 5 solid
Fixed connection, this design play the role of being easily installed.
Pipe clamp component 4 as shown in Figure 4 is made of deck 4-1, torsional spring 4-2, clamp 4-3 and positioning pin 4-4, described
Deck 4-1 be mounted on pump case component 1 hose import and export, the both sides of the deck 4-1 are each provided with a clamp 4-
3, the clamp 4-3 is flexibly connected by positioning pin 4-4 with deck 4-1, is also set between the deck 4-1 and clamp 4-3
It is equipped with torsional spring 4-2.During elastic hose both ends are fixed, first pull clamp 4-3 about positioning pin 4-4 into
Row rotation, is then placed on the entrance end of elastic hose between clamp 4-3 and deck 4-1, and then unclamping clamp 4-3 makes it
Clamping is carried out to the entrance end of elastic hose under the action of torsional spring 4-2.
Magnet inductive pick-up and magnetic switch are provided in pump case component 1 in the design, the pump case component 1
Bottom is provided with PCB detection plates, and the magnet inductive pick-up and magnetic switch are electrically connected with PCB detection plates.The design is led to
Magnet inductive pick-up is crossed to detect the working order of idler wheel, if can't detect before the deadline, feedback of alarming prevents
DC brushless motor 5 normally rotates and roll wheel assembly 2 does not rotate；And whether transparent upper cover 6 is detected by magnetic switch
On box cover, when transparent upper cover 6 in the open state, magnetic switch send signal PCB detection plates make its control brush DC electricity
Machine 5 shuts down, on the contrary then DC brushless motor 5 is controlled to remain in operation.
Claims (7)
1. a kind of haemodialysis pump, it is characterised in that：Including
Pump case component (1), the pump case component (1) be hollow semienclosed rectangular housing, the pump case component (1)
A face side wall on offer hose inlet and outlet,
Roll wheel assembly (2), the roll wheel assembly (2) is interior mounted on pump case component (1),
Turntable (3), the turntable (3) are movably connected in the top of roll wheel assembly (2), the bottom setting of the turntable (3)
There is connector (3-1), the connector (3-1) stretches in roll wheel assembly (2) and coupled, described turntable (3)
It is rotated by connector (3-1) with roll wheel assembly (2),
Rocking bar (7) offers card slot (3-2) at the top of the turntable (3), and the rocking bar (7) is movably connected in card slot (3-
2) in, one end of the rocking bar (7) is flexibly connected by axis pin with turntable (3), pipe clamp component (4), the pipe clamp component
(4) mounted on the hose import and export of pump case component (1),
DC brushless motor (5), the DC brushless motor (5) is by connecting plate (8) mounted on the bottom of pump case component (1)
Portion, the shaft end (5-1) that goes out of the DC brushless motor (5) are stretched in pump case component (1), the DC brushless motor
(5) the shaft end (5-1) that goes out is connected across roll wheel assembly (2) with connector (3-1),
Transparent upper cover (6), the transparent upper cover (6) are connected to the top of pump case component (1) by articulate；
The roll wheel assembly (2) includes fixing bracket (2-1), movable support (2-2), fixed idler whell (2-3), action roller
(2-4) and spring (2-5), the both sides of the fixing bracket (2-1) are each provided with a fixed idler whell mounting base (2-1-1),
The fixed idler whell (2-3) in fixed idler whell mounting base (2-1-1), live by one end of the movable support (2-2)
The dynamic outside for being connected to fixed idler whell mounting base (2-1-1), the action roller (2-4) is mounted on movable support (2-2)
In the other end, the spring (2-5) is arranged between movable support (2-2) and fixing bracket (2-1).
2. a kind of haemodialysis pump according to claim 1, it is characterised in that：The radius of the action roller (2-4)
Size is more than the radius size of fixed idler whell (2-3).
3. a kind of haemodialysis pump according to claim 1, it is characterised in that：The top of the fixing bracket (2-1)
It is opened up fluted (2-1-2) relative to the position of connector (3-1), through-hole is offered at the center of the groove (2-1-2)
(2-1-3) offers connecting hole (3-1-1) at the center of the connector (3-1), the DC brushless motor (5)
Go out shaft end (5-1) to be connected to across through-hole (2-1-3) in the connecting hole (3-1-1) of connector (3-1).
4. a kind of haemodialysis pump according to claim 3, it is characterised in that：Relative to connection on the turntable (3)
The position in hole (3-1-1) offers flat slot through-hole.
5. a kind of haemodialysis pump according to claim 3, it is characterised in that：Described through-hole (2-1-3) both sides it is recessed
A lead (2-1-4) is each provided on slot (2-1-2), the bottom of the connector (3-1) is relative to lead (2-1-
4) position has offered pilot hole (3-1-2).
6. a kind of haemodialysis pump according to claim 1, it is characterised in that：The pipe clamp component (4) is by deck
(4-1), torsional spring (4-2), clamp (4-3) and positioning pin (4-4) are formed, and the deck (4-1) is mounted on pump case component (1)
Hose import and export, the both sides of the deck (4-1) are each provided with a clamp (4-3), and the clamp (4-3) passes through
Positioning pin (4-4) is flexibly connected with deck (4-1), and torsional spring (4- is additionally provided between the deck (4-1) and clamp (4-3)
2)。
7. a kind of haemodialysis pump according to claim 1, it is characterised in that：It is provided in the pump case component (1)
Magnet inductive pick-up and magnetic switch, the bottom of the pump case component (1) are provided with PCB detection plates, the magnet sense
Inductive sensing device and magnetic switch are electrically connected with PCB detection plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133600.4A CN105597171B (en) | 2016-03-09 | 2016-03-09 | A kind of haemodialysis pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610133600.4A CN105597171B (en) | 2016-03-09 | 2016-03-09 | A kind of haemodialysis pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105597171A CN105597171A (en) | 2016-05-25 |
| CN105597171B true CN105597171B (en) | 2018-07-06 |
Family
ID=55977872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610133600.4A Active CN105597171B (en) | 2016-03-09 | 2016-03-09 | A kind of haemodialysis pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105597171B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115501404B (en) * | 2022-08-19 | 2023-04-21 | 荣嘉医疗科技(集团)有限公司 | Hemodialysis instrument |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4108575A (en) * | 1975-08-09 | 1978-08-22 | Dr. Eduard Fresenius Chemisch-Pharmazeutische Industrie K.G. | Obtaining desired flow rate from roller pump despite varying the hose means |
| CN2467820Y (en) * | 2001-02-21 | 2001-12-26 | 吴忠仪表股份有限公司 | Creeping pump parts |
| CN201001863Y (en) * | 2007-02-06 | 2008-01-09 | 中国人民解放军第四军医大学 | Hand operated rolling pump type quick-acting blood-transfusion/fluid-infusion system |
| CN205515727U (en) * | 2016-03-09 | 2016-08-31 | 常州普瑞流体技术有限公司 | Hemodialysis pump |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060035494A1 (en) * | 2004-08-11 | 2006-02-16 | Japan Servo Co., Ltd. | Apparatus for attaching and detaching connectors |
| JP2006230754A (en) * | 2005-02-25 | 2006-09-07 | Japan Servo Co Ltd | Handle fixing mechanism in blood pump |
-
2016
- 2016-03-09 CN CN201610133600.4A patent/CN105597171B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4108575A (en) * | 1975-08-09 | 1978-08-22 | Dr. Eduard Fresenius Chemisch-Pharmazeutische Industrie K.G. | Obtaining desired flow rate from roller pump despite varying the hose means |
| CN2467820Y (en) * | 2001-02-21 | 2001-12-26 | 吴忠仪表股份有限公司 | Creeping pump parts |
| CN201001863Y (en) * | 2007-02-06 | 2008-01-09 | 中国人民解放军第四军医大学 | Hand operated rolling pump type quick-acting blood-transfusion/fluid-infusion system |
| CN205515727U (en) * | 2016-03-09 | 2016-08-31 | 常州普瑞流体技术有限公司 | Hemodialysis pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105597171A (en) | 2016-05-25 |
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