CN100518838C - Portable intravenous injection and transfusion system - Google Patents
Portable intravenous injection and transfusion system Download PDFInfo
- Publication number
- CN100518838C CN100518838C CNB2006101174491A CN200610117449A CN100518838C CN 100518838 C CN100518838 C CN 100518838C CN B2006101174491 A CNB2006101174491 A CN B2006101174491A CN 200610117449 A CN200610117449 A CN 200610117449A CN 100518838 C CN100518838 C CN 100518838C
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- Prior art keywords
- portable
- infusion
- transfusion
- peristaltic pump
- intelligent
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- 238000010253 intravenous injection Methods 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 42
- 238000001802 infusion Methods 0.000 claims description 51
- 230000002572 peristaltic effect Effects 0.000 claims description 33
- 230000007246 mechanism Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 14
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 231100000252 nontoxic Toxicity 0.000 claims description 6
- 230000003000 nontoxic effect Effects 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- -1 polypropylene Polymers 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 238000001990 intravenous administration Methods 0.000 claims description 4
- 239000011550 stock solution Substances 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010019280 Heart failures Diseases 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Images
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The present invention is portable intravenous injection and transfusion system, and belongs to the field of medical equipment. The portable intravenous injection and transfusion system includes a liquid storing unit, a transfusion syringe, a transfusion pipe and a powered liquid supply unit. The liquid storing unit consists of one carrying bag and one liquid storing bag inside the carrying bag. The powered liquid supply unit includes a creeping pump, a drive device, a power source and a control device. The control device consists of a control circuit, an input keyboard and a display. The portable intravenous injection and transfusion system is small and light, and may be used widely in liquid injection and transfusion.
Description
Technical Field
The invention belongs to the field of medical instruments, and particularly relates to a device for inputting a liquid medium into a human body.
Background
At present, intravenous infusion is the most common clinical rescue and treatment method, and is also a common administration treatment technology in the nursing specialty.
Clinically, the proper infusion speed is often required according to different conditions of medicines and patients.
The infusion is too fast, poisoning may be caused, and edema and heart failure can be caused in more serious cases; too slow infusion may result in inadequate dosage or unnecessarily prolonged infusion time, affecting treatment and placing an unnecessary burden on the patient and care.
At present, in the conventional clinical transfusion, a transfusion bag or a transfusion bottle is generally hung at a certain height (taking a vein as a standard), so that liquid is dripped into a blood vessel due to natural gravity, the transfusion speed is controlled by a manual clamp through eye observation, the transfusion speed is not easy to accurately control, the workload of medical staff is large, and at the most important point, a patient needs to be at a fixed position in a certain sitting or lying state in the whole transfusion process and cannot move and walk freely.
The Chinese patent with publication number CN 2379139Y, 5.24.2000, discloses an automatic transfusion device with a clamp door with a limiting groove, which comprises a box body, a clamp door, a single-board microcomputer, an input structure, a peristaltic pump and a bubble detection structure; the box body is provided with a front panel with one side of the front panel being an inward concave surface corresponding to the clamping door; the inner side of the clamping door is provided with an upper clamping seat, a lower clamping seat, a liquid stopping clamp and a limiting groove; the limiting groove is positioned between the upper clamping seat and the lower clamping seat and is opposite to the peristaltic pump; the infusion tube is clamped on the upper and lower clamping seats, the middle part of the infusion tube is positioned in the clamping door limiting groove and is pressed between the limiting groove and the pump sheet of the peristaltic pump.
The technical scheme adopts a mechanical pressure type injection transfusion mode, overcomes the defects of the existing gravity type transfusion mode, but because a Linear Peristaltic Pump (Linear Peristaltic Pump) is adopted as a pressure source, the whole device has large volume, is heavy and has poor movable performance, and can not meet the use requirement in a movable state (such as stretcher transportation); at the same time, the entire device is not easily moved, still limiting the freedom of movement of the patient during infusion/treatment.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a portable intravenous injection and transfusion system, which has the advantages of greatly reduced volume, light weight, good mobility and portability of the whole device, portability by a patient and convenience for the patient to move freely during transfusion on the premise of completing the same function.
The technical scheme of the invention is as follows: the utility model provides an intelligent portable intravenous route infusion system, includes stock solution unit, infusion syringe needle, connects the transfer line of stock solution unit and infusion syringe needle and the power of setting on the transfer line supplies liquid unit, characterized by: the liquid storage unit consists of a portable bag and a liquid storage bag arranged in the portable bag, and the portable bag is provided with a lacing used for fixing the portable bag on the human body; the power liquid supply unit at least comprises a peristaltic pump and a driving device thereof, a power supply and a control device which are positioned in a portable flip shell consisting of a lower shell, an upper cover and a rotating shaft; the peristaltic pump is a planetary rotor type peristaltic pump, the driving device and the peristaltic pump are arranged in the portable flip shell side by side and are connected through the transmission mechanism, at least one group of arc-shaped infusion tube jacket and jacket pressure adjusting mechanism are arranged outside a roller of the peristaltic pump, the control device consists of a control circuit arranged in an upper cover of the flip shell, an input keyboard arranged on the inner surface of the upper cover and a display screen arranged on the outer surface of the upper cover, and a power supply is connected with the driving device and the control device; the shell of the portable flip shell is provided with a fixing hook for fixing the portable flip shell on the tying belt.
Wherein the liquid storage bag is a soft bag body and at least has a liquid output and/or input pipe, and the liquid output pipe is connected with the transfusion needle head through a transfusion pipe.
The driving device is a stepping motor.
The arc transfusion tube jacket is rotatablely arranged outside the roller of the peristaltic pump, the rotatable end of the jacket is provided with an elastic reset component, the other end of the jacket is provided with a jacket pressure adjusting mechanism, one section of the transfusion hose is fixed on the periphery of part of the roller of the peristaltic pump through the arc transfusion tube jacket
The elastic reset component is a spring; the jacket pressure adjusting mechanism is a spring, a mechanical or electric pressure adjusting screw component, a buckling locking buckle or a positioning pin.
The transmission mechanism is a gear transmission mechanism or a belt transmission mechanism.
The power source is a rechargeable battery.
The control circuit at least comprises a storage module, a flow detection module, a gas detection module, a residual liquid detection module, an alarm module, a wireless transmitting/receiving module, a signal transmitting/receiving antenna and a driving device speed regulation module which are respectively and correspondingly connected with an I/O terminal of a central control module, and the I/O terminal of the driving device speed regulation module is also correspondingly connected with a control end of a driving device.
At least one section of the infusion tube is a medical nontoxic polypropylene plastic hose, and a connecting joint is arranged at the joint of the infusion tube and the medical nontoxic polypropylene plastic hose.
The portable flip shell is provided with an infusion hose channel or a notch.
Compared with the prior art, the invention has the advantages that:
1. the whole device adopts a portable structure design, has the same size as a mobile phone, small volume, light weight, good mobile performance and portability, can be carried by a patient, is convenient for the patient to freely move during the transfusion, and greatly improves the mobility of the patient during the venous transfusion;
2. various abnormal conditions are detected and alarmed by adopting various detection means, the infusion passage can be automatically cut off, the infusion speed and the infusion amount can be accurately set, measured and controlled, and intelligent control of infusion is realized;
3. by adopting a wireless signal transmission mode, the corresponding information can be wirelessly and remotely transmitted to the control center, so that the centralized management is facilitated, the workload and burden of medical care personnel are reduced, and the error occurrence probability is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention in use;
FIG. 3 is a schematic diagram of a configuration of a powered liquid supply unit;
FIG. 4 is a view in the direction A of FIG. 3;
FIG. 5 is a view from the direction B of FIG. 3;
fig. 6 is a circuit block diagram of the control unit.
In the figure, A1 is a portable bag, A2 is a liquid storage bag, A3 is a tie, B is an infusion needle, C is an infusion tube, C1 is an infusion tube fixing adhesive tape, C2 is a connector, D is a portable flip type power liquid supply unit, 1 is a driving device, 2 is a peristaltic pump, 3 is a transmission mechanism, 4 is an infusion hose, 5 is a lower shell, 6 is an upper cover, 7 is a rotating shaft, 8 is a roller of the peristaltic pump, 9 is an arc-shaped infusion tube jacket, 10 is a jacket pressure adjusting mechanism, 11 is a parameter setting input unit, 12 is a display screen, 13 is a power supply, and 14 is a buckling locking mechanism.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
In fig. 1, the technical scheme includes a liquid storage unit a, an infusion needle B, an infusion tube C connecting the liquid storage unit and the infusion needle, and a power liquid supply unit D disposed on the infusion tube.
The liquid storage unit is composed of a portable bag A1 provided with a tie A3 for fixing it to the human body and a liquid storage bag A2 placed therein.
The liquid storage bag is a soft bag body and at least has a liquid output and/or input pipe, and the liquid output pipe is connected with the transfusion needle head through a transfusion pipe.
At least one section of the infusion tube is a medical nontoxic polypropylene plastic hose, and a joint C2 is arranged at the joint of the infusion tube and the medical nontoxic polypropylene plastic hose.
The shell of the portable flip-type power liquid supply unit is provided with a fixed hook for fixing the portable flip-type power liquid supply unit on the body of a patient, and the portable flip-type power liquid supply unit can be inserted and hung on a strap in practical use and can also be fixed on a wrist, an arm, a trouser pocket, other clothes or a clip.
By means of the system, the patient can get out of the bed for exercise as early as possible and recover from the operation as early as possible; the daily life of the middle-aged and the old patients needing transfusion can be improved, and the patients can also wear clothes to do slight physical labor, especially work in offices; the children can wear clothes to play during the transfusion, so that the fear of the children to the transfusion is relieved.
In fig. 2, strap A3 secures a portable bag A1 of the reservoir unit and a reservoir bag A2 disposed therein to the torso of a person.
The transfusion tube C connecting the liquid storage bag and the transfusion needle B is fixed on the surface of the human body by an adhesive tape C1.
The whole device adopts a portable structural design, has small volume, light weight and good mobility and portability, can be carried by a patient, is convenient for the patient to freely move during transfusion, avoids adverse effects caused by long-time bed rest, and is also beneficial to early rehabilitation of the patient.
In fig. 3 to 5, the power liquid supply unit comprises a peristaltic pump 2 and a driving device 1 thereof, a power supply 13 and a control circuit, which are positioned in a portable flip-type shell consisting of a lower shell 5, an upper cover 6 and a rotating shaft 7.
Wherein the peristaltic pump is a planetary rotor type peristaltic pump, the driving device and the peristaltic pump are arranged in the portable flip shell side by side and are connected through the transmission mechanism 3, and the power supply is connected with the driving device and the control circuit.
At least one set of arc-shaped transfusion tube jacket 9 and jacket pressure adjusting mechanism 10 are arranged outside the roller 8 of the peristaltic pump.
The driving device is a stepping motor.
The transmission mechanism is a gear transmission mechanism or a belt transmission mechanism (the belt transmission mechanism is taken as an example in the figure).
The arc-shaped infusion tube jacket is rotatably arranged outside the rollers of the peristaltic pump, and in order to ensure the output pressure/effect, the included angle between the rotor wrapping the peristaltic pump or wrapping the peristaltic pump and the rollers at the periphery of the rotor is preferably larger than 120 degrees; generally, the angle between the rotor and its peripheral rollers of the two sets of corresponding separable arc-shaped infusion tube jacket hoops or wrap peristaltic pumps as shown in fig. 3 is preferably greater than 180 ° (approximately 120 ° × 2 ═ 240 °).
An elastic reset component (not shown in the figure for the sake of simplicity of the figure) is arranged at the rotatable end (the upper end in the figure) of the arc-shaped transfusion tube jacket, and a jacket pressure adjusting mechanism is arranged at the other end (the lower end in the figure).
The elastic reset component is a spring; the jacket pressure adjusting mechanism is a spring, a mechanical or electric pressure adjusting screw component, a buckling locking buckle or a positioning pin.
The number of the rollers of the planetary rotor type peristaltic pump is 4, 6, 8 or 10, and according to experience, when the number of the rollers is 8 or more than 8, the output liquid has no obvious pulsation.
Because the planetary rotor peristaltic pump is adopted as the pressure pump, the arrangement pattern of the infusion hose is changed, the overall dimension and the occupied space of the whole device are reduced, and conditions are created for the miniaturization and the convenient carrying of the whole device.
The power source is a rechargeable battery.
The control circuit is arranged in the upper cover of the flip shell, the inner surface of the upper cover is provided with an input keyboard 11-2 and a liquid crystal display screen 11-1, and the outer surface of the upper cover is also provided with a display screen 12.
The input keyboard and the liquid crystal display screen arranged on the inner surface of the upper cover are used for setting/displaying various infusion control or device system operation parameters, and the display screen positioned on the outer surface of the upper cover is used for displaying infusion operation set values and/or actual infusion operation parameters/states of the device.
In order to prevent the set parameters from being modified randomly or the lower shell and the upper cover of the portable flip-type keyboard from being touched by mistake due to the fact that the flip-type shell is opened, buckling locking mechanisms 14 are correspondingly arranged on the lower shell and the upper cover of the portable flip-type keyboard.
As shown in fig. 4, an infusion hose passage/notch is provided on the side of the portable flip-type housing to facilitate the infusion hose passing through the flip-type housing.
In fig. 6, the control circuit of the device at least includes a storage module, a flow detection module, a gas detection module, a residual liquid detection module, an alarm module, a wireless transmitting/receiving module, a signal transmitting/receiving antenna and a driving device speed regulation module, which are respectively connected to the I/O terminal of a central control module, and the I/O terminal of the driving device speed regulation module is also connected to the control end of the driving device.
The wireless transmitting/receiving module can adopt a corresponding transmitting/receiving integrated circuit chip and a corresponding circuit of the existing mobile phone, the alarm module can adopt an audible and visual alarm or a voice alarm circuit, and the flow detection module, the gas detection module and the residual liquid detection module are disclosed in Chinese patent CN 2208935Y, CN 2282890Y, CN 2379139Y, CN 2574688Y, CN 2810619Y and are not described again.
Since the modules are all in the prior art, the specific circuit structure and the operation principle thereof and the connection relationship among the modules are not described herein.
The whole device adopts a portable structural design, has small volume, light weight, good mobility and portability on the premise of finishing the same function, can accurately set, measure and control the infusion speed and the infusion amount, realizes intelligent control of infusion, can be carried by a patient, facilitates the free action of the patient during the infusion, is convenient for centralized management, also lightens the workload and burden of medical care personnel, and reduces the probability of error occurrence.
The invention can be widely applied to the field of inputting liquid media into human bodies.
Claims (10)
1. The utility model provides an intelligent portable intravenous route infusion system, includes stock solution unit, infusion syringe needle, connects the transfer line of stock solution unit and infusion syringe needle and sets up the power on the transfer line and supply liquid unit, characterized by:
the liquid storage unit consists of a portable bag and a liquid storage bag arranged in the portable bag, and the portable bag is provided with a lacing used for fixing the portable bag on the human body;
the power liquid supply unit at least comprises a peristaltic pump, a driving device, a power supply and a control device thereof, wherein the peristaltic pump is positioned in a portable flip shell consisting of a lower shell, an upper cover and a rotating shaft; wherein,
the peristaltic pump is a planetary rotor peristaltic pump,
the driving device and the peristaltic pump are arranged in the portable flip shell side by side and are connected through the transmission mechanism,
at least one set of arc-shaped transfusion tube jacket and jacket pressure adjusting mechanism are arranged outside the roller of the peristaltic pump,
the control device is composed of a control circuit arranged in the upper cover of the flip shell, an input keyboard arranged on the inner surface of the upper cover and a display screen arranged on the outer surface of the upper cover,
the power supply is connected with the driving device and the control device;
the shell of the portable flip shell is provided with a fixing hook for fixing the portable flip shell on the tying belt.
2. An intelligent portable iv administration system according to claim 1, wherein the reservoir is a flexible bag having at least one fluid outlet and/or inlet tube, the fluid outlet tube being connected to the infusion needle via an infusion tube.
3. The intelligent, portable iv administration system according to claim 1, wherein said drive means is a stepper motor.
4. An intelligent portable intravenous infusion system as claimed in claim 1, wherein said curved infusion tube clamp is rotatably mounted outside the rollers of the peristaltic pump, a resilient return member is provided at the rotatable end of the clamp, a clamp pressure adjustment mechanism is provided at the other end thereof, and a section of the infusion tube is fixed to the outer periphery of a portion of the rollers of the peristaltic pump via the curved infusion tube clamp.
5. The intelligent, portable iv administration system according to claim 4, wherein the resilient return member is a spring; the jacket pressure adjusting mechanism is a spring, a mechanical or electric pressure adjusting screw component, a buckling locking buckle or a positioning pin.
6. The intelligent, portable iv administration system according to claim 1, wherein the transmission is a gear transmission or a belt transmission.
7. The intelligent, portable iv administration system according to claim 1, wherein the power source is a rechargeable battery.
8. The intelligent portable intravenous injection and transfusion system according to claim 1, wherein said control circuit comprises at least a storage module, a flow detection module, a gas detection module, a residual liquid detection module, an alarm module, a wireless transmission/reception module, a signal transmission/reception antenna and a driving device speed regulation module, which are respectively connected with the I/O terminal of a central control module, wherein the I/O terminal of the driving device speed regulation module is also connected with the control terminal of the driving device.
9. The intelligent portable intravenous injection and transfusion system according to claim 1, wherein at least one segment of the transfusion tube is a medical nontoxic polypropylene plastic hose, and a joint is arranged at the joint of the transfusion tube and the medical nontoxic polypropylene plastic hose.
10. The intelligent portable iv administration system according to claim 1, wherein the portable clamshell housing is provided with an iv hose channel or notch.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101174491A CN100518838C (en) | 2006-10-23 | 2006-10-23 | Portable intravenous injection and transfusion system |
| US12/446,756 US8211061B2 (en) | 2006-10-23 | 2007-10-23 | Intelligent remote-controlled portable intravenous injection and transfusion system |
| CA002667388A CA2667388A1 (en) | 2006-10-23 | 2007-10-23 | Intelligent remote-controlled portable intravenous injection and transfusion system |
| EP07816637A EP2077129A4 (en) | 2006-10-23 | 2007-10-23 | Intelligent remote-controlled portable intravenous injection and transfusion system |
| PCT/CN2007/003024 WO2008052425A1 (en) | 2006-10-23 | 2007-10-23 | Intelligent remote-controlled portable intravenous injection and transfusion system |
| AU2007313977A AU2007313977B2 (en) | 2006-10-23 | 2007-10-23 | Intelligent remote-controlled portable intravenous injection and transfusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101174491A CN100518838C (en) | 2006-10-23 | 2006-10-23 | Portable intravenous injection and transfusion system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1986009A CN1986009A (en) | 2007-06-27 |
| CN100518838C true CN100518838C (en) | 2009-07-29 |
Family
ID=38183036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101174491A Expired - Fee Related CN100518838C (en) | 2006-10-23 | 2006-10-23 | Portable intravenous injection and transfusion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100518838C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8211061B2 (en) * | 2006-10-23 | 2012-07-03 | Sun Medical-Scientific (Shanghai) Co., Ltd | Intelligent remote-controlled portable intravenous injection and transfusion system |
| US8062256B2 (en) | 2007-09-28 | 2011-11-22 | Calibra Medical, Inc. | Disposable infusion device with medicament level indicator |
| CN103816610A (en) * | 2014-03-07 | 2014-05-28 | 联合质量实业有限公司 | Wearable programmable automatic drug delivery device |
| CN106075646A (en) * | 2016-06-29 | 2016-11-09 | 上海富吉医疗器械有限公司 | A kind of based on minitype piezoelectric pump remotely control transfusion system |
| EP3509664B1 (en) * | 2016-11-02 | 2022-08-03 | St. Jude Medical, Cardiology Division, Inc. | Interface tubing for peristaltic pump |
| CN108310533B (en) * | 2018-02-08 | 2020-07-17 | 陕西科技大学 | Arm-tying type infusion equipment capable of automatically regulating pressure |
| CN108355195A (en) * | 2018-02-27 | 2018-08-03 | 苏州百源基因技术有限公司 | A kind of Portable transfusion apparatus |
| AU2019239845B2 (en) * | 2018-03-20 | 2021-12-02 | Becton, Dickinson And Company | Medical infusion pump for delivery of a fluid |
| CN109675141B (en) * | 2019-01-31 | 2024-03-26 | 深圳中科生物医疗电子有限公司 | Infusion pump with position-adjustable transmission part |
| CN113440681A (en) * | 2021-07-09 | 2021-09-28 | 刘洪伟 | Medical portable hanger-free self-suction infusion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0019817A1 (en) * | 1979-05-23 | 1980-12-10 | Siemens Aktiengesellschaft | Portable extracorporal infusion device |
| EP0388787A1 (en) * | 1989-03-24 | 1990-09-26 | Asulab S.A. | Miniature peristaltic pump |
| CN2284072Y (en) * | 1996-09-17 | 1998-06-17 | 王莉 | Portable microcomputer transfusion instrument |
| CN2379139Y (en) * | 1999-06-18 | 2000-05-24 | 高晶敏 | Automatic infusion device having position liminating means |
| CN200973876Y (en) * | 2006-10-23 | 2007-11-14 | 圣美申医疗科技（上海）有限公司 | Intelligent portable mainline transfusion system |
-
2006
- 2006-10-23 CN CNB2006101174491A patent/CN100518838C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0019817A1 (en) * | 1979-05-23 | 1980-12-10 | Siemens Aktiengesellschaft | Portable extracorporal infusion device |
| EP0388787A1 (en) * | 1989-03-24 | 1990-09-26 | Asulab S.A. | Miniature peristaltic pump |
| CN2284072Y (en) * | 1996-09-17 | 1998-06-17 | 王莉 | Portable microcomputer transfusion instrument |
| CN2379139Y (en) * | 1999-06-18 | 2000-05-24 | 高晶敏 | Automatic infusion device having position liminating means |
| CN200973876Y (en) * | 2006-10-23 | 2007-11-14 | 圣美申医疗科技（上海）有限公司 | Intelligent portable mainline transfusion system |
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| Publication number | Publication date |
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| CN1986009A (en) | 2007-06-27 |
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