CN203548140U - Single-pump-core double-pipe peristaltic pump - Google Patents
Single-pump-core double-pipe peristaltic pump Download PDFInfo
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- CN203548140U CN203548140U CN201320690660.8U CN201320690660U CN203548140U CN 203548140 U CN203548140 U CN 203548140U CN 201320690660 U CN201320690660 U CN 201320690660U CN 203548140 U CN203548140 U CN 203548140U
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- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 40
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 11
- 239000008280 blood Substances 0.000 abstract description 4
- 210000004369 blood Anatomy 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 230000008081 blood perfusion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001631 haemodialysis Methods 0.000 description 3
- 230000010412 perfusion Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000502 dialysis Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000012959 renal replacement therapy Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a single-pump-core double-pipe peristaltic pump which comprises a pump case, a pump core and a drive unit. The pump core is rotatably installed in the pump case. Pump pipe installing channels are formed between the pump core and the inner cavity wall of the pump case, the drive unit can be connected to the pump core in a drive mode, the pump core comprises a pump core base and idler wheels, the number of the pump pipe installing channels is two, the number of the pump core is one, the number of the idler wheels is four, an idler wheel adjusting device for changing the size of the pump pipe installing channels is arranged on the pump core. Four eccentric shafts are arranged on the pump core base, and each idler wheel is eccentrically installed on the corresponding eccentric shaft. The peristaltic pump can supply power with equal flow to two pipelines at the same time, pump liquid flow is stable and balanced, pump liquid flow control accuracy is high, operation noise is low, and a relatively quiet blood pumping environment can be provided. The pump core is convenient and quick to mount and demount and easy and convenient to operate, the peristaltic pump can be universally used for pump pipes of different specifications by adjusting the positions of the eccentric idler wheels, and emergency measures for unusual conditions of power failure and the like are provided.
Description
Technical field
The utility model relates to a kind of peristaltic pump, be particularly useful for the pre-impact machine of perfusion device, blood perfusion apparatus, haemodialysis control unit, CRRT (continuous renal replacement therapy, continuously kidney alternative medicine) machine or blood pump and other need non-contact, etc. the experimental facilities etc. of flow pump liquid.
Background technique
Peristaltic pump is a kind of contactless liquid feedway of controllable flow speed.The common pump housing is by repeated compression spring tube, content in pipe to be moved towards certain orientation, and its flow velocity is determined by diameter and the compression speed of pipe, can be used for the systems such as LC and perfusion.
Peristaltic pump, just as be full of the flexible pipe of fluid with one of pinching of finger, moves forward along with pointing sliding tube inner fluid forward.Peristaltic pump is also that this principle has just replaced finger by roller.By the elasticity delivery hose to pump hocket extruding and discharge come pumping fluid.Its principle, just as with two finger pinching flexible pipes, along with the movement of finger, forms negative pressure in pipe, liquid flows thereupon.Peristaltic pump is exactly one section of pump line formation " pillow " shape fluid between two transfer roller.The volume of " pillow " depends on the internal diameter of pump line and the geometric properties of rotor.Flow depends on often the turn around product of these three parameters of number of " pillow " that produce of the rotating speed of pump core and the size of " pillow ", rotor.The size of " pillow " is generally constant (except during the king-sized fluid of pumping viscosity).Take the identical pump of root diameter to compare, produce the pump of large " pillow " volume, its rotor carried fluid volume that often turns around is also larger, but the pulsation degree of generation is also larger.This is similar to the situation of film valve.And producing the pump of less " pillow " volume, its rotor carried fluid volume that often turns around is also less; And little " pillow " forming rapidly, continuously makes flowing of fluid comparatively steady.This is similar to the working method of gear pump.
But the peristaltic pump on front market has the following disadvantages: 1) pump cored structure is comparatively complicated, card tubular construction is complicated inconvenient, and be not durable, the clamping mechanism flexibility overvoltage degree poor, pump line particularly sliding as some slide blocks cannot guarantee to affect flow progress.2) can only realize single pump single tube, realize the same flow of multitube, need to drive many pumps core with single driver element, this has not only increased peristaltic pump volume, and many pumps core adopts single driver element position, all complexity inconvenience of the operation such as tubulature.Therefore, these defects all need reasonably to improve.In addition, blood perfusion apparatus, haemodialysis control unit, CRRT machine or blood pump in the market all cannot reach the better effects that the flow pump liquid such as two-way require, and its pump core has uniqueness to the requirement of pump line, take inconvenience simultaneously or the power of many pipelines can not be provided simultaneously.
Model utility content
The purpose of this utility model is to provide and a kind ofly can be simultaneously the steadily balanced two-tube peristaltic pump of single pump core of flow power and pump flow quantity such as provides for two pipelines.
For realizing the purpose of this utility model, the utility model provides a kind of single pump core two-tube peristaltic pump, comprise pump case, pump core and driver element, described pump core is installed in rotation in described pump case, between described pump core and the internal chamber wall of described pump case, there is pump line passage is installed, described driver element can be drivingly coupled to described pump core, described pump core comprises pump core print seat and roller, described pump line is installed passage two, described pump core has one, described roller has four, wherein, on described pump core, there is the rolling wheel regulator that channel sized is installed for changing described pump line.
Further, described pump core print seat is provided with four eccentric shafts, and each roller is installed on an eccentric shaft in eccentric mode respectively.
Preferably, described pump core print seat is " work " font integrative-structure, and it comprises fore beam, back seat plate and middle attachment post three parts, and described fore beam is parallel with back seat plate, and described eccentric shaft is all perpendicular to described fore beam and back seat plate; The profile of described fore beam consists of four sections of camber lines, and wherein two sections of relative camber lines are evagination camber line, and another two sections of relative camber lines are indent camber line; The profile of described back seat plate is cydariform, two sections of relative evagination camber line straight lines relative with two sections, consists of.
Preferably, on described middle attachment post, be provided with two and point to contrary guide pillars, on described guide pillar, be respectively equipped with guide pin bushing.
Preferably, in the middle of described, on attachment post, be also provided with pump core handle, this pump core handle is connected in described middle attachment post by arm pivot post, can or push with respect to attachment post pull-out in the middle of described, and described middle attachment post is provided with elasticity positioner and described pump core handle is stuck in and pushes position.Preferably, described elasticity positioner is comprised of screens screw, screens spring and Stainless Steel Ball.
Preferably, described rolling wheel regulator comprises that the roller gap of the end that is positioned at described eccentric shaft regulates breach, and described eccentric shaft is selectively fixed on described pump core print seat by Cock screw.
Preferably, described pump case is formed by bearing pin is hinged by pump case seat and pump cover, and the middle part of described pump cover is provided with the transparent lid of looking.
Preferably, the both sides of described pump case seat are respectively equipped with movable snap close, between described movable snap close and described pump case seat, are provided with torsion spring.
Preferably, described driver element is the DC speed-reducing with speed detection optoelectronic switch, on the motor shaft of this DC speed-reducing, have motor shaft opening and flat key, described pump core has the circular hole that can pass for described motor shaft, and this circular hole has the breach coordinating with described flat key.
From such scheme, single pump core double pipe structure peristaltic pump of the present utility model adopts single motor with closed-loop speed control as power source, driving has the arcuation pump core of four eccentric rollers, in the pump chamber that can settle two-tube pipeline, move, pump core is coaxial with motor output shaft, guaranteed that pump core mounting point is not eccentric, can be simultaneously the power of flow such as provide for two pipelines, pump flow quantity steadily balanced, pump flow quantity control accuracy is high, operation noise is low, and relatively quietly pump hemal ring border can be provided.Pump core install and convenient disassembly quick, simple to operation, by the position of eccentric adjustment roller, can realize the versatility to different size pump line, and the emergency measure when generation of the unusual condition such as powers failure is provided.This peristaltic pump only has a pump core, and its structure is more succinct compared with many pumps core peristaltic pump, simultaneously more steady than the dynamics of conventional second wheel, three roller peristaltic pumps.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment's of the utility model peristaltic pump parts explosion.
Fig. 2 is the pump case of peristaltic pump shown in Fig. 1 stereogram under lid state.
Fig. 3 is the stereogram of pump case shown in Fig. 2 under the state of uncapping.
Fig. 4 is the stereogram at another visual angle of pump case shown in Fig. 3.
Fig. 5 is the stereogram of the pump case seat of pump case shown in Fig. 4.
Fig. 6 is the stereogram of the pump core of peristaltic pump shown in Fig. 1.
Fig. 7 is the stereogram of the pump core print seat of the core of pump shown in Fig. 6.
Fig. 8 is the side view of the core of pump shown in Fig. 6.
Fig. 9 is the A-A sectional view of the core of pump shown in Fig. 8.
Figure 10 is the state of the uncapping front elevation of peristaltic pump shown in Fig. 1.
Figure 11 is the pump core dismounting schematic diagram of peristaltic pump shown in Figure 10.
Figure 12 is that the roller gap of the core of pump shown in Fig. 6 regulates schematic diagram.
Figure 13 is the front elevation of the core of pump shown in Figure 12.
Figure 14 is the partial enlarged drawing of the core of pump shown in Figure 13.
Figure 15 is the planimetric map of the eccentric shaft in the middle of the core of pump shown in Figure 12.
Figure 16 is the first pump line scheme of installation of peristaltic pump shown in Figure 10.
Figure 17 is the second pump line scheme of installation of peristaltic pump shown in Figure 10.
Figure 18 is the Electric Machine Control schematic diagram of peristaltic pump shown in Fig. 1.
Embodiment
To describe various mode of execution of the present utility model below in detail, embodiment wherein describes in conjunction with the accompanying drawings and hereinafter.Although the utility model describes in connection with illustrative embodiments, be to be understood that the utility model is not limited to these illustrative embodiments.On the contrary, the utility model not only comprises these mode of executions, but also comprises various distortion, improvement.
Peristaltic pump of the present utility model be applicable to the pre-impact machine of perfusion device, blood perfusion apparatus, haemodialysis control unit, CRRT machine or blood pump and other need non-contact, etc. the pump liquid operation of the equipment such as experimental facilities of flow pump liquid, this peristaltic pump comprises pump case 1, pump core 2 and the motor 3 as driver element, and wherein pump case 1 is fixed on installation panel 4.Pump core 2 is provided with one, it is installed in rotation in pump case 1, has two pump lines passage is installed between pump core 2 and the internal chamber wall of pump case 1, and motor 3 can be drivingly coupled to pump core 2, on pump core 2, there is rolling wheel regulator, the size of passage is installed for changing pump line.As shown in figure 18, motor 3 can adopt DC speed-reducing, and with optoelectronic switch composition detector code detection speed, holds concurrently and form Closed loop Control with advanced single-chip microcomputer, effectively improve the stationarity of pump liquid, meet the running environment requirement of high-precision flow control and low noise.The optoelectronic switch of motor 3 can be arranged on secondary axes, on motor afterbody output shaft.Above-mentioned peristaltic pump adopts single pump core, two-tube pump case and single motor to drive, and can be simultaneously the flow power such as provides for two dialysis pipelines.
As Fig. 2 to Fig. 5, pump case 1 is formed by bearing pin 13 is hinged by pump case seat 11 and pump cover 12, and pump cover 12 can be opened 180 ° with respect to pump case seat 11.The middle part of pump cover 12 has circular hole, and this circular hole place is provided with transparent looking and covers 14, so also can be by observe the situation of pump case 1 inside depending on lid 14 when pump cover 12 closes.The both sides of pump case seat 11 are respectively equipped with movable snap close 15, between movable snap close 15 and pump case seat 11, are provided with torsion spring 16.This pump case 1 is installed pump case for dual circuit, and it has two pump lines passage is installed, and can settle two dialysis pipelines.For proportioning pump core 2, the inner chamber of pump case 1 is provided with tubulature position, the tubulature of being more convenient for.
As Fig. 6 to Fig. 9, pump core 2 is comprised of the pump core print seat 21 and the four rolling 22 that are " work " font integrative-structure, pump core print seat 21 comprises fore beam 211, back seat plate 212 and middle attachment post 213 3 parts, the profile of fore beam 211 consists of four sections of camber lines, wherein two sections of relative camber lines are evagination camber line, and other two sections of relative camber lines are indent camber line; The profile of back seat plate 212 is cydariform, two sections of relative evagination camber line straight lines relative with two sections, consists of.Fore beam 211 is parallel with back seat plate 212, and four rolling 22 is arranged on four eccentric shafts 23 in eccentric mode respectively, and the structure of eccentric shaft 23 as shown in figure 15.Four eccentric shafts 23, all perpendicular to fore beam 211 and back seat plate 212, are respectively equipped with roller packing ring 221 between the two ends of roller 22 and forward and backward seat board.On middle attachment post 213, being provided with two points on contrary 24, two guide pillars 24 of guide pillar and is respectively equipped with guide pin bushing 25; In addition, on attachment post 213, be also provided with pump core handle 26, attachment post 213 in the middle of this pump core handle 26 is connected in by arm pivot post 27, can pull out or push with respect to middle attachment post 213, middle attachment post 213 is provided with elasticity positioner 28 and pump core handle 26 is stuck in pushes position, and elasticity positioner 28 is comprised of screens screw 281, screens spring 282 and Stainless Steel Ball 283.Pump core 2 adopts the arcuate structure with four eccentric rollers 22, can improve the harmony of pump liquid, and roller 22 adopts the mode of eccentric adjustment, can adapt to the pump line of different size.Adopt button driven pump core rotating manner, by switch keys such as touch-switch, form tubulature key and produce signal, import control single chip computer into, controlling motor 3 operations drives pump core 2 to rotate, pipeline is rotated along pump core 2, take advantage of a situation and pack in peristaltic pump, reach that tubulature is simple to operation, quick mounting and dismounting.Pull-up pump core handle 26 can form manual rocking handle, for having a power failure or field emergency pump liquid.
As shown in Figure 10 and Figure 11, during dismounting pump core 2, open pump cover 12, pump core handle 26 is taken out from motor shaft opening 33, rotary pump core 2 on one side, one side pulls outward pump core 2, when turning to 90 ° or 270 °, can take out pump core 2.During installation pump core 2, the flat key 32 that pump core circular hole breach 214 is aimed on motor shaft 31, pushes pump core 2, rotation half-turn, and observation pump core 2 planes are concordant with sealing of motor spindle end face, then pump core handle 26 are pressed in motor shaft opening 33, complete the installation of pump core 2.
As shown in Figure 12 to Figure 15, if use the pump line that internal diameter is 6mm, first the caliber on control panel is adjusted to 6, then with reference to above-mentioned steps, take out pump core 2, readjust the roller gap of pump core 2, i.e. pressure pipe gap between roller and pump case inner chamber perisporium.First use hexagon wrench 5 by totally four of the interior hexagonal Cock screw 6(of fixed eccentric axle 23) unscrew, then with straight screwdriver, four breach 231 on four eccentric shafts 23 are rotated to the scale marker (in alignment) under corresponding caliber with shortest route.
For example, if pump line internal diameter is 6mm, according to above operating method first by totally four of Cock screw 6() unscrew, breach 231 directions of then adjusting four eccentric shafts 23 with shortest route to numeral " 6 ".After having adjusted, more successively by totally four of Cock screw 6() screw and complete caliber and regulate.Before pump core 2 dispatches from the factory, by Φ 8 caliber specifications, adjust its gap, if change caliber specification, need to readjust the roller gap of pump core 2.
As shown in figure 16, when first pump line 7 on the left side is installed, the long tubulature key of pressing, regulate the position of pump core 2, when the guide pillar 24 on pump core 2 rotates to plumbness (position of pump core 1 in as Figure 14), the first pump line that the first pump line 7 direction is from the bottom to top pressed into pump case inner chamber is installed passage, as shown in the direction of arrow in Figure 14; Under the drive of guide pillar 24, the clockwise direction rotating along pump core 2, moves the first pump line 7 according to pump core 2 sense of rotation, until then the Vertical direction of upper end extrudes the first pump line 7, thereby completes the installation of the first pump line 7.
As shown in figure 17, when second pump line 8 on the right is installed, the long tubulature key of pressing, when the guide pillar 24 on pump core 2 rotates to plumbness (pump core 2 positions as shown in Figure 15), the second pump line that the second pump line 8 direction is from top to bottom pressed into pump case inner chamber is installed passage (by the direction of arrow in Figure 15); Under the drive of guide pillar 24, the clockwise direction rotating along pump core 2, moves the second pump line 8 according to pump core 2 sense of rotation, until then the Vertical direction of lower end extrudes the second pump line 8, completes the installation of the second pump line 8.
Claims (10)
1. the two-tube peristaltic pump of single pump core, comprise pump case, pump core and driver element, described pump core is installed in rotation in described pump case, between described pump core and the internal chamber wall of described pump case, there is pump line passage is installed, described driver element can be drivingly coupled to described pump core, described pump core comprises pump core print seat and roller, it is characterized in that: described pump line is installed passage two, described pump core has one, described roller has four, wherein, on described pump core, there is the rolling wheel regulator that channel sized is installed for changing described pump line.
2. the two-tube peristaltic pump of single pump core according to claim 1, is characterized in that: described pump core print seat is provided with four eccentric shafts, each roller is installed on an eccentric shaft in eccentric mode respectively.
3. the two-tube peristaltic pump of single pump core according to claim 2, it is characterized in that: described pump core print seat is " work " font integrative-structure, it comprises fore beam, back seat plate and middle attachment post three parts, described fore beam is parallel with back seat plate, and described eccentric shaft is all perpendicular to described fore beam and back seat plate; The profile of described fore beam consists of four sections of camber lines, and wherein two sections of relative camber lines are evagination camber line, and another two sections of relative camber lines are indent camber line; The profile of described back seat plate is cydariform, two sections of relative evagination camber line straight lines relative with two sections, consists of.
4. the two-tube peristaltic pump of single pump core according to claim 3, is characterized in that: in the middle of described, be provided with two on attachment post and point to contrary guide pillar, on described guide pillar, be respectively equipped with guide pin bushing.
5. the two-tube peristaltic pump of single pump core according to claim 3, it is characterized in that: in the middle of described, on attachment post, be also provided with pump core handle, this pump core handle is connected in described middle attachment post by arm pivot post, can or push with respect to attachment post pull-out in the middle of described, described middle attachment post is provided with elasticity positioner and described pump core handle is stuck in and pushes position.
6. the two-tube peristaltic pump of single pump core according to claim 5, is characterized in that: described elasticity positioner is comprised of screens screw, screens spring and Stainless Steel Ball.
7. the two-tube peristaltic pump of single pump core according to claim 3, it is characterized in that: described rolling wheel regulator comprises that the roller gap of the end that is positioned at described eccentric shaft regulates breach, and described eccentric shaft is selectively fixed on described pump core print seat by Cock screw.
8. the two-tube peristaltic pump of single pump core according to claim 1, is characterized in that: described pump case is formed by bearing pin is hinged by pump case seat and pump cover, and the middle part of described pump cover is provided with the transparent lid of looking.
9. the two-tube peristaltic pump of single pump core according to claim 8, is characterized in that: the both sides of described pump case seat are respectively equipped with movable snap close, between described movable snap close and described pump case seat, is provided with torsion spring.
10. the two-tube peristaltic pump of single pump core according to claim 1, it is characterized in that: described driver element is the DC speed-reducing with speed detection optoelectronic switch, on the motor shaft of this DC speed-reducing, there is motor shaft opening and flat key, described pump core has the circular hole that can pass for described motor shaft, and this circular hole has the breach coordinating with described flat key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690660.8U CN203548140U (en) | 2013-11-04 | 2013-11-04 | Single-pump-core double-pipe peristaltic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690660.8U CN203548140U (en) | 2013-11-04 | 2013-11-04 | Single-pump-core double-pipe peristaltic pump |
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| CN203548140U true CN203548140U (en) | 2014-04-16 |
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| CN201320690660.8U Expired - Lifetime CN203548140U (en) | 2013-11-04 | 2013-11-04 | Single-pump-core double-pipe peristaltic pump |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990193A (en) * | 2014-05-15 | 2014-08-20 | 西安交通大学 | Single-pump double-way control system and control method thereof |
| CN105443363A (en) * | 2015-12-09 | 2016-03-30 | 中国航天员科研训练中心 | Single-use pipeline and pump head integrated split type micropump |
| CN106581792A (en) * | 2016-12-21 | 2017-04-26 | 广州大学 | Flow balancing peristaltic pump for blood purification |
| CN106968907A (en) * | 2017-02-10 | 2017-07-21 | 广州中卓智能装备有限公司 | A kind of many flexible pipe dehvery pumps |
| CN107575367A (en) * | 2017-10-12 | 2018-01-12 | 重庆山外山血液净化技术股份有限公司 | Peristaltic pump housing assy |
| WO2018018664A1 (en) * | 2016-07-29 | 2018-02-01 | 胡伟闻 | Dual-loop roller pump |
| CN113417839A (en) * | 2021-08-11 | 2021-09-21 | 北京哈特凯尔医疗科技有限公司 | Liquid pollution-free infusion pump for hydration treatment liquid inlet and outlet balance system |
-
2013
- 2013-11-04 CN CN201320690660.8U patent/CN203548140U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103990193A (en) * | 2014-05-15 | 2014-08-20 | 西安交通大学 | Single-pump double-way control system and control method thereof |
| CN103990193B (en) * | 2014-05-15 | 2016-02-24 | 西安交通大学 | A kind of blood purification single pump Double-channel control system and control method thereof |
| CN105443363A (en) * | 2015-12-09 | 2016-03-30 | 中国航天员科研训练中心 | Single-use pipeline and pump head integrated split type micropump |
| WO2018018664A1 (en) * | 2016-07-29 | 2018-02-01 | 胡伟闻 | Dual-loop roller pump |
| CN107664116A (en) * | 2016-07-29 | 2018-02-06 | 伟闻胡 | A kind of double loop occlusion pump |
| CN106581792A (en) * | 2016-12-21 | 2017-04-26 | 广州大学 | Flow balancing peristaltic pump for blood purification |
| CN106968907A (en) * | 2017-02-10 | 2017-07-21 | 广州中卓智能装备有限公司 | A kind of many flexible pipe dehvery pumps |
| CN107575367A (en) * | 2017-10-12 | 2018-01-12 | 重庆山外山血液净化技术股份有限公司 | Peristaltic pump housing assy |
| CN107575367B (en) * | 2017-10-12 | 2023-06-27 | 重庆山外山血液净化技术股份有限公司 | Peristaltic pump shell assembly |
| CN113417839A (en) * | 2021-08-11 | 2021-09-21 | 北京哈特凯尔医疗科技有限公司 | Liquid pollution-free infusion pump for hydration treatment liquid inlet and outlet balance system |
| CN113417839B (en) * | 2021-08-11 | 2022-08-30 | 北京哈特凯尔医疗科技有限公司 | Liquid pollution-free infusion pump for hydration treatment liquid inlet and outlet balance system |
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Address after: 519080 Zhuhai science and technology zone, Guangdong high tech Road No. six, No. 98 Patentee after: JAFRON BIOMEDICAL Co.,Ltd. Address before: 519080, 4, 3, 99, 4, 5, 5, University Road, Zhuhai, Guangdong Patentee before: JAFRON BIOMEDICAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 519080 Zhuhai hi tech Zone No. six road, Guangdong Province, 98 Patentee after: JAFRON BIOMEDICAL Co.,Ltd. Address before: 519080 Zhuhai hi tech Zone No. six road, Guangdong Province, 98 Patentee before: JAFRON BIOMEDICAL Co.,Ltd. |
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Granted publication date: 20140416 |
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