CN110882437A - Linear peristaltic blood delivery pump and use method thereof - Google Patents
Linear peristaltic blood delivery pump and use method thereof Download PDFInfo
- Publication number
- CN110882437A CN110882437A CN201911325418.9A CN201911325418A CN110882437A CN 110882437 A CN110882437 A CN 110882437A CN 201911325418 A CN201911325418 A CN 201911325418A CN 110882437 A CN110882437 A CN 110882437A
- Authority
- CN
- China
- Prior art keywords
- blood
- delivery pump
- pump
- blood delivery
- door
- 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.)
- Pending
Links
Images
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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16804—Flow controllers
- A61M5/16813—Flow controllers by controlling the degree of opening of the flow line
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16831—Monitoring, detecting, signalling or eliminating infusion flow anomalies
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/168—Means for controlling media flow to the body or for metering media to the body, e.g. drip meters, counters ; Monitoring media flow to the body
- A61M5/16877—Adjusting flow; Devices for setting a flow rate
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/365—Air detectors
-
- 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
-
- 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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
Abstract
The invention discloses a linear peristaltic blood delivery pump, which comprises a display unit, a power unit, a blood delivery pump translation pressure pipe device and a control unit, wherein the display unit is used for displaying blood delivery parameters; the display unit is arranged at the upper part of the blood delivery pump and comprises a display screen and a matrix keyboard; the power unit is arranged in the middle of the blood delivery pump and comprises a driving motor, a cam shaft seat, a cam square shaft, a driving gear, a transmission gear and a belt; the blood delivery pump translation pressure pipe device is arranged in front of the power unit and connected with the power unit, and comprises a tower spring; the control unit comprises a commercial power socket, a battery, an integrated circuit board and a control chip, and also discloses a using method, the invention has simple structure, convenient and fast component installation, 50% lower price than other products, 80% lower material cost, and uniform force channel applied when the translational pressure pipe device extrudes the pipeline, which can not damage red blood cells in blood, can match with most transfusion pipes in the market, greatly reduces blood transfusion cost and improves product compatibility.
Description
Technical Field
The invention relates to the technical field of medical infusion equipment, in particular to a linear peristaltic blood delivery pump and a using method thereof.
Background
Red blood cells, also called erythrocytes, are usually abbreviated as RBCs in traditional tests, are the blood cells with the largest amount in blood, are the main media for transporting oxygen through blood in human body, and have immune function. Nowadays, transfusion therapy has become a very common medical means, and the therapy effect of transfusion is to supply red blood cells with oxygen-carrying capacity to correct acute hypoxia caused by red blood cell depletion or reduction of oxygen-carrying capacity thereof, in addition to measures for replenishing blood volume, maintaining blood volume, raising blood pressure to combat shock and preventing hemorrhagic shock; various blood coagulation factors are supplemented to correct blood coagulation disorders in some patients. Therefore, according to different causes of patients and different specific purposes of blood transfusion treatment, different types of blood transfusion modes can be adopted, and under the condition of meeting blood transfusion instructions, the blood transfusion pump is undoubtedly urgently needed by clinical departments of how to quickly expand volume, input pressure and transfuse constant-temperature high-quality blood transfusion in departments such as operating rooms, intensive care units, emergency departments and the like. However, most of domestic blood pumps are still imported abroad, the cost is high, the provided technical support and after-sales service are extremely inconvenient, and the emergency high-pressure blood pump commonly used in hospitals is inconvenient for outdoor emergency treatment due to large volume and heavy weight of the blood pump, so that the problems still cannot be perfectly solved.
Disclosure of Invention
Aiming at the problems, the invention provides a linear peristaltic blood pump and a using method thereof, which mainly solve the problems in the background technology.
The invention provides a linear peristaltic blood delivery pump, which comprises a display unit, a power unit, a blood delivery pump translation pressure pipe device and a control unit, wherein the display unit is used for displaying blood delivery parameters;
the display unit is arranged at the upper part of the blood delivery pump and comprises a display screen and a matrix keyboard, the display screen is used for displaying an infusion apparatus gauge of the blood delivery pump and an infusion mode of the blood delivery pump, and the matrix keyboard is used for adjusting and controlling the infusion mode of the blood delivery pump and selecting the gauge of the infusion apparatus;
the power unit is arranged in the middle of the blood delivery pump and comprises a driving motor, a cam shaft seat, a cam square shaft, a driving gear, a transmission gear and a belt, the driving motor is fixed on a mounting foot plate, the mounting foot plate is arranged on a front blood delivery pump shell, the output shaft of the driving motor is fixedly provided with the driving gear, the cam shaft seat is provided with three positioning holes, the cam shaft seat is fixed on the front blood delivery pump shell through the three positioning holes, two side faces of the cam shaft seat are provided with circular holes, bearings are respectively arranged in the circular holes, the cam square shaft is matched with the bearings and arranged in the cam shaft seat, a cam is sequentially arranged on the cam square shaft, a pump sheet is sleeved on the cam, the extending end of the cam square shaft extends out of one side face of the cam shaft seat, and the driven gear is fixedly arranged on the extending end of the cam square shaft, the driving gear drives the driven gear through the belt so as to drive the cam square shaft to rotate;
the blood delivery pump translation pressure pipe device is arranged in front of the power unit and connected with the power unit, the blood delivery pump translation pressure pipe device comprises a tower spring, the tower spring is installed inside a tower spring pressing plate in a matching mode, the tower spring is fixed on a shifting fork through screws, the tower spring pressing plate is fixedly installed in a damping pit on the side face of a door plate, the shifting fork and the door plate are installed on the camshaft seat through a door shaft, the door plate and the pump piece are arranged oppositely, a channel capable of containing a blood delivery pipeline is arranged between the door plate and the pump piece, and a liquid stopping flashboard, a bubble sensor and a pressure sensor are sequentially arranged on the channel from left to right;
the display screen is characterized by further comprising a controller, wherein the driving motor, the display screen, the matrix keyboard, the pressure sensor and the bubble sensor are electrically connected with the controller through the integrated circuit board respectively.
The improved door structure is characterized in that a clamping hook is arranged at the upper end of the damping pit, a door lock sliding key is arranged at the position, corresponding to the clamping hook, of the door plate, the door lock sliding key is fixed on the door plate through a sliding key pin, one end of a door opening ejector rod penetrates through the side face of the door lock sliding key and tightly pushes against the clamping hook, a door opening shifting block is arranged at the other end of the door opening ejector rod, and the door opening shifting block is pressed to push open the clamping hook so as to open the door plate.
The further improvement is that the number of the cams is 12, and the motion direction of the pump sheets arranged on the cams is a wave-shaped motion of swinging back and forth.
In a further improvement, the infusion modes of the infusion pump include at least one of the following modes: volume mode, time mode, weight mode, intermittent mode, hour mode, and drop count mode.
In a further refinement, the keys of the matrix keyboard comprise at least one of: number keys 0-9, power on/power off key, start/confirm key, stop/change key, secondary/fast push key.
The tower spring is integrally formed, is integrally in a three-arch bridge type symmetrical structure and comprises a rib top, wherein the rib top is positioned at the highest bulge in the middle of the tower spring, the shapes of the two sides of the rib top are matched with the damping pits, and tower shoulders with ascending symmetry are arranged on the two sides of the tower spring.
The tower spring is further improved in that the tower spring is made of steel through sintering, casting, heat treatment and rust prevention treatment.
The further improvement is that the tower spring is 60Si2Mn spring steel.
The further improvement is that the processing technology of the heat treatment comprises the quenching temperature of 870 +/-20 ℃, the oil cooling, the tempering temperature of 480 +/-50 ℃, the spheroidizing annealing of 850 ℃ and the oil cooling quenching.
The further improvement is that the rust prevention treatment is to spray a chemical protective layer on the surface of the tower spring by adopting rust prevention grease.
The invention also provides a use method of the linear peristaltic blood transfer pump, which comprises the following steps:
s1, clicking a start key to enable the blood delivery pump to enter a working state, and displaying the last-used infusion set gauge and the working mode on the display screen;
s2, confirming whether the used infusion set gauge is the same as the last infusion set gauge, and clicking a confirmation key to select if the used infusion set gauge is the same as the last infusion set gauge; if the infusion set is different, the product format of the infusion set is adjusted by clicking a selection key;
s3, pressing the door opening shifting block, opening the door panel, placing the blood transfusion pipelines on the channel according to the sequence of left-in and right-out, straightening the blood transfusion pipelines and closing the door panel;
and S4, selecting a proper working mode, typing the transfusion volume and the transfusion rate through the numerical keys, and clicking the start key to start transfusion.
Compared with the prior art, the invention has the beneficial effects that:
1. the translational pressure pipe device is simple in structure, convenient and fast to install parts, capable of reducing the price by 50% compared with other products, capable of reducing the material consumption cost by 80%, capable of enabling a force channel applied when the translational pressure pipe device extrudes a pipeline to be gentle and uniform, free of damage to red blood cells in blood, capable of being matched with most infusion pipes in the market, capable of greatly reducing blood transfusion cost and capable of improving product compatibility;
2. the invention adopts a high-specification and high-precision tower spring structure and a unique front and back wave type swinging propelling pump sheet, so that long-time, high-precision and high-quality blood transfusion of the blood transfusion pump can be ensured;
3. the blood transfusion speed regulation device is also provided with an agile speed regulation function, under the condition of normal blood transfusion, if doctors and nurses want to regulate the blood transfusion speed, the speed can be directly regulated by the keys without pause, the speed regulation range is wide (the speed regulation can be carried out within the range of 0.1-6000 ml/h), and the potential safety hazard caused by forced pause of blood transfusion when the blood transfusion speed is regulated is greatly reduced;
4. the linear peristaltic blood transfusion pump can also keep the precision of blood transfusion at low flow velocity, so that the blood transfusion pump can also be suitable for occasions of low-speed blood change of children and the like, has small and exquisite appearance, is convenient to carry, is quite suitable for the emergency situation of outdoor emergency blood transfusion, and also greatly improves the practicability of the invention.
Drawings
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
FIG. 1 is a schematic front perspective view of an embodiment of the present invention;
FIG. 2 is a schematic rear perspective view of an embodiment of the present invention;
FIG. 3 is a schematic structural view of a translational pipe crimping apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a translational crimp apparatus according to another embodiment of the present invention;
FIG. 5 is a schematic perspective view of a power unit according to an embodiment of the present invention;
FIG. 6 is a schematic view of the position of the tower spring and the tower spring pressing plate according to an embodiment of the present invention;
FIG. 7 is a schematic perspective view of a tower spring according to an embodiment of the present invention;
wherein: 1. a display screen; 2. a matrix keyboard; 3. a door panel; 4. a liquid stop shutter; 5. a bubble sensor; 6. a pump sheet; 7. a door hook; 8. a pressure sensor; 9. a door opening shifting block; 10. a door shaft; 11. a shifting fork; 12. a tower spring; 13. a cover plate; 14. a drive motor; 15. a camshaft seat; 16. a cam square shaft; 17. a driven gear; 18. a belt; 19. a rib top; 20. a tower shoulder.
Detailed Description
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1-7, a linear peristaltic blood delivery pump comprises a display unit, a power unit, a blood delivery pump translation pressure pipe device and a control unit;
the display unit is arranged at the upper part of the blood delivery pump and comprises a display screen 1 and a matrix keyboard 2, the display screen 1 is used for displaying an infusion apparatus gauge of the blood delivery pump and an infusion mode of the blood delivery pump, and the matrix keyboard 2 is used for adjusting and controlling the infusion mode of the blood delivery pump and selecting the gauge of the infusion apparatus;
the power unit is arranged in the middle of the blood delivery pump and comprises a driving motor 14, a cam shaft seat 15, a cam square shaft 16, a driving gear, a transmission gear and a belt 18, the driving motor 14 is fixed on a mounting foot plate, the mounting foot plate is arranged on a front shell of the blood delivery pump, the driving gear is fixedly mounted on an output shaft of the driving motor 14, three positioning holes are formed in the cam shaft seat 15, the cam shaft seat 15 is fixed on the front shell of the blood delivery pump through the three positioning holes, circular holes are formed in two side surfaces of the cam shaft seat 15, bearings are respectively mounted in the circular holes, the cam square shaft 16 and the bearings are matched and arranged in the cam shaft seat 15, a cam is sequentially mounted on the cam square shaft 16, a pump sheet 6 is sleeved on the cam, and the extending end of the cam square shaft 16 extends out of one side surface of the cam shaft, the extended end of the cam square shaft 16 is fixedly provided with the driven gear 17, and the driving gear drives the driven gear 17 through the belt 18 so as to drive the cam square shaft 16 to rotate;
the blood delivery pump translation pressure pipe device is arranged in front of the power unit and connected with the power unit, the blood delivery pump translation pressure pipe device comprises a tower spring 12, the tower spring 12 is installed inside a tower spring 12 pressing plate in a matching mode, the tower spring 12 is fixed on a shifting fork 11 through screws, the tower spring 12 pressing plate is fixedly installed in a damping pit on the side face of a door plate 3, the shifting fork 11 and the door plate 3 are installed on a cam shaft seat 15 through a door shaft 10, the door plate 3 is arranged opposite to the pump sheet 6, a channel capable of containing a blood delivery pipeline is arranged between the door plate 3 and the pump sheet 6, and a liquid stop gate plate 4, a bubble sensor 5 and a pressure sensor 8 are sequentially arranged on the channel from left to right;
the display device further comprises a controller, wherein the driving motor 14, the display screen 1, the matrix keyboard 2, the pressure sensor 8 and the bubble sensor 5 are electrically connected with the controller through an integrated circuit board respectively.
It is understood that referring to fig. 1 and 2, in the embodiment of the present invention, the linear peristaltic blood pump further comprises a front shell, a rear shell, a blood transfusion cavity for filling a blood transfusion pipeline, and a door plate 3 for closing the blood transfusion cavity, the blood transfusion cavity is arranged in the inner part of the lower side of the front shell, the door plate 3 is just capable of closing the blood transfusion cavity, the blood transfusion cavity is internally provided with the blood transfusion pump translation pressure pipe device, the rear part of the blood transfusion cavity, namely, the power unit is arranged in the rear shell and used for providing a power source for the blood delivery pump translation pressure pipe device, the display unit is provided at an upper portion of the front case, the control unit is not particularly limited in its position in the embodiment of the present invention, the control unit only needs to be electrically connected with other units and devices, and the integrated circuit board can radiate the work of other units.
It can be understood that, referring to fig. 1, in the embodiment of the present invention, the display screen 1 of the display unit may be a resistive touch screen, a capacitive touch screen, a pressure-sensitive touch screen, or a common non-touch liquid crystal display screen 1, and the matrix keyboard 2 may be a virtual keyboard or a physical keyboard.
It can be understood that, referring to fig. 3 and 4, in the embodiment of the present invention, the blood transfusion pump translation pressure tube device is integrally disposed in the blood transfusion cavity, and a liquid stop shutter 4, a bubble sensor 5, a tower spring 12 and a pressure sensor 8 are sequentially disposed therein from left to right, the liquid stop shutter 4 controls the inlet and outlet of blood, and the blood transportation is stopped when the liquid stop shutter 4 falls down and presses against the blood transfusion tube; in the embodiment of the present invention, the bubble sensor 5 may continuously monitor the fluid and detect bubbles in the fluid by a non-invasive method, and in the embodiment of the present invention, the bubble sensor 5 may utilize an ultrasonic technology to identify whether there is a flow interruption in the blood, and correspondingly, if the bubble sensor 5 detects that there is a flow interruption in the blood, information may be transmitted to the control chip through the integrated circuit board, and the control chip prompts through the display unit, or alternatively, an early warning device may be additionally provided, so that the control chip may early warn a user when receiving an abnormal blood transfusion; the pressure sensor 8 can detect the blood pressure in the blood transfusion process in real time, further measure and calculate the blood conveying speed through the control chip and display the blood conveying speed through the display unit; referring to fig. 6, the tower spring 12 structure replaces four column springs in the prior art, the existing limiting mechanism is cancelled, and the conventional hydraulic transmission tube device is simplified, and the tower spring 12 adopted in the embodiment of the invention changes the swing effect of the original column spring, so that even if any one position is stressed, the whole stressed surface can integrally act, the tower spring 12 can be always kept on a horizontal plane, the blood transfusion tube is uniformly stressed, the deformation of the whole tube is small, and the output flow rate of the blood transfusion pump and the blood transfusion precision under long-time work can be ensured; and the tower spring 12 pressing plate is arranged in the damping pit, so that the whole volume of the device can be reduced, and the tower spring 12 can be protected by certain damping and buffering in the transportation process or under other conditions.
It can be understood that, referring to fig. 5, in the embodiment of the present invention, the output shaft of the driving motor 14 drives the driving gear to further drive the belt 18 to further drive the driven gear 17 and the cam square shaft 16 to rotate, the on/off and output frequency of the driving motor 14 are controlled by the control chip, and the battery of the control unit can provide power for the motor to continuously provide power for the pump blade 6. Specifically, a signal plate can be installed at one end of the cam square shaft 16 where the driven gear 17 is installed, and the real-time rotating speed of the driving motor 14 is tested in real time through optical coupling.
Referring to fig. 3 and 4, as a preferred embodiment of the present invention, a hook is disposed at an upper end of the damping pit, a door lock sliding key is disposed at a position of the door panel 3 corresponding to the hook, the door lock sliding key is fixed on the door panel 3 through the sliding key pin, one end of a door opening push rod penetrates through a side surface of the door lock sliding key to tightly push the hook, and the other end of the door opening push rod is provided with a door opening shifting block 9, and the hook is pushed open by pressing the door opening shifting block 9 to open the door panel 3.
In a preferred embodiment of the present invention, the number of the cams is 12, and the moving direction of the pump blade 6 mounted on the cams is a wave-like motion of swinging back and forth.
It can be understood that, referring to fig. 4 and 5, in the embodiment of the present invention, 12 cams are disposed on the cam square shaft 16, and the pump plate 6 is correspondingly disposed on the cams, so that the pump plate 6 is in a wave-shaped motion manner of swinging back and forth, which can make the force applied by the pump plate 6 to the blood transfusion line uniform and gentle, and continuously tighten the blood forward, and through the swinging back and forth motion, the pump plate 6 can be always kept on a relatively gentle horizontal plane, the blood transfusion line is uniformly stressed, the overall line deformation is small, and the output flow rate of the blood transfusion pump and the transfusion accuracy under long-time operation can be ensured.
As a preferred embodiment of the present invention, the infusion mode of the infusion pump includes at least one of the following modes: volume mode, time mode, weight mode, intermittent mode, hour mode, and drop count mode.
As a preferred embodiment of the present invention, the keys of the matrix keyboard 2 include at least one of: number keys 0-9, power on/power off key, start/confirm key, stop/change key, secondary/fast push key.
As a preferred embodiment of the present invention, the tower spring 12 is integrally formed, and has a three-arch bridge-type symmetrical structure as a whole, and includes a rib top 19, the rib top 19 is located at the highest projection in the middle of the tower spring 12, the shapes of both sides of the rib top 19 are matched with the shock absorption pits, and tower shoulders with equal height symmetry are disposed on both sides of the tower spring 12. 20
It can be understood that, in the embodiment of the present invention, the tower spring 12 has a three-arch bridge-type symmetrical structure, the middle arch is the rib top 19 and is located at the highest projection in the middle of the tower spring 12, the two-side symmetrical arches are the tower shoulders, the design of the tower spring 12 and the shape of the shock absorption pit are complementary fit, so that the tower spring 12 can perfectly fit the shock absorption pit, different from the conventional column spring structure when pumping into the blood transfusion pipeline, the tower spring 12 can be always kept on a horizontal plane, the force applied to the blood transfusion pipeline is uniform, the deformation of the whole pipeline is small, and the output flow rate of the blood transfusion pump and the blood transfusion precision under long-time operation can be ensured.
In a preferred embodiment of the present invention, the tower spring 12 is made of a steel material through a sintering molding process, a heat treatment process and an anti-rust process.
In a preferred embodiment of the present invention, the tower spring 12 is 60Si2Mn spring steel.
It is understood that in the embodiment of the present invention, the tower spring 12 is made of silicon manganese spring steel 60Si2Mn, which has good elasticity, strength and hardenability, can bear a large pressure load, has excellent processability, and can provide sufficient hardness and strength after processing.
As a preferred embodiment of the invention, the heat treatment process comprises the steps of quenching temperature of 870 +/-20 ℃, oil cooling, tempering temperature of 480 +/-50 ℃, spheroidizing annealing of 850 ℃ and oil cooling quenching.
It can be understood that in the embodiment of the invention, the specific steps of the heat treatment are that the quenching temperature is 870 ℃ +/-20 ℃ (the quenching temperature of the 60Si2Mn steel is normally 850 ℃ to 870 ℃), and oil cooling is carried out; then tempering at 480 +/-50 ℃ (480 +/-30 ℃ can be realized when special needs exist); wherein the heat treatment step also comprises spheroidizing annealing, wherein the spheroidizing annealing is firstly heated at 850 ℃, then oil cooling quenching is carried out, finally a short-time isothermal spheroidizing process is adopted, namely heating is carried out for 25 minutes at 800 +/-10 ℃, quenching is carried out to 700 +/-10 ℃, heat preservation is carried out for 1H, furnace cooling is carried out at the speed of 30-50 ℃/H to 600 ℃, and discharging is carried out, so that an ideal spheroidized tissue can be obtained. The tempering temperature is selected according to the hardness requirement of the die part, namely the hardness of the die part is 46HRC, the temperature is set to 400 ℃, the hardness of the die part is 40HRC, the temperature is set to 500 ℃, the hardness of the die part is 34HRC, the temperature is set to 600 ℃, a tempering brittleness area of about 270 ℃ and about 330 ℃ is avoided, and the tower spring 12 is required to have higher toughness and good dimensional stability, the tempering temperature is controlled to about 250 ℃, and the hardness is 45-55 HRC.
In a preferred embodiment of the present invention, the rust-proof treatment is to spray a chemical protective layer on the surface of the tower spring 12 with rust-proof grease.
It can be understood that, in the embodiment of the present invention, the rust-proof treatment uses water-soluble rust-proof grease, the water-soluble rust-proof oil using water as a solvent does not contain substances harmful to human bodies, such as aromatic hydrocarbons, lead, and the like, and no three wastes are discharged in the production, because the volume of the tower spring 12 itself is small, a dip-coating mode can be used, the surface cleaning is performed after the heat treatment, the tower spring is soaked in the rust-proof oil at normal temperature for 12 hours and then taken out for drying, the rust-proof oil is relatively thick and needs to be heated to a certain temperature, the rust-proof oil is in a flowing liquid state, and the rust-proof process avoids the defects of a chemical corrosion method and a metal protection film method in the.
It can be understood that, referring to fig. 7, in the embodiment of the present invention, on the premise that the tower spring 12 maintains the hardness after processing, the service life of the tower spring 12 is greatly increased, and under the conditions of high strength and full load (the limit value is that the uninterrupted operation can be performed for 24 hours at a flow rate of 5000 ml/h), the service life of the tower spring 12 can be ensured to reach more than 5 years
And a use method of the linear peristaltic blood transfer pump, which comprises the following steps:
s1, clicking a start key to enable the blood delivery pump to enter a working state, and displaying the last-used infusion set gauge and the working mode on the display screen 1;
s2, confirming whether the used infusion set gauge is the same as the last infusion set gauge, and clicking a confirmation key to select if the used infusion set gauge is the same as the last infusion set gauge; if the infusion set is different, the product format of the infusion set is adjusted by clicking a selection key;
s3, pressing the door opening shifting block 9, opening the door panel 3, placing blood transfusion pipelines on the channel according to the sequence of left-in and right-out, straightening the blood transfusion pipelines and closing the door panel 3;
and S4, selecting a proper working mode, typing the transfusion volume and the transfusion rate through the numerical keys, and clicking the start key to start transfusion.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A linear peristaltic blood delivery pump is characterized by comprising a display unit, a power unit, a blood delivery pump translation pressure pipe device and a control unit;
the display unit is arranged at the upper part of the blood delivery pump and comprises a display screen (1) and a matrix keyboard (2), the display screen (1) is used for displaying an infusion apparatus gauge of the blood delivery pump and an infusion mode of the blood delivery pump, and the matrix keyboard (2) is used for adjusting and controlling the infusion mode of the blood delivery pump and selecting the gauge of the infusion apparatus;
the power unit is arranged in the middle of the blood delivery pump and comprises a driving motor (14), a cam shaft seat (15), a cam square shaft (16), a driving gear, a transmission gear and a belt (18), the driving motor (14) is fixed on an installation foot plate, the installation foot plate is arranged on a front shell of the blood delivery pump, the driving gear is fixedly arranged on an output shaft of the driving motor (14), three positioning holes are formed in the cam shaft seat (15), the cam shaft seat (15) is fixed on the front shell of the blood delivery pump through the three positioning holes, circular holes are formed in two side faces of the cam shaft seat (15), bearings are respectively arranged in the circular holes, the cam square shaft (16) and the bearings are matched and arranged in the cam shaft seat (15), cams are sequentially arranged on the cam square shaft (16), and pump blades (6) are sleeved on the cams, the extension end of the cam square shaft (16) extends out of one side face of the cam shaft seat (15), the extension end of the cam square shaft (16) is fixedly provided with the driven gear (17), and the driving gear drives the driven gear (17) through the belt (18) so as to drive the cam square shaft (16) to rotate;
the blood delivery pump translation pressure pipe device is arranged in front of the power unit and connected with the power unit, the blood delivery pump translation pressure pipe device comprises a tower spring (12), the tower spring (12) is installed inside a tower spring pressing plate in a matching mode, the tower spring (12) is fixed on a shifting fork (11) through screws, the tower spring pressing plate is fixedly installed in a damping pit in the side face of a door plate (3), the shifting fork (11) and the door plate (3) are installed on a cam shaft seat (15) through a door shaft (10), the door plate (3) is arranged opposite to the pump blade (6), a channel capable of placing a blood delivery pipeline is arranged between the door plate (3) and the pump blade (6), and a liquid stop valve plate (4), a bubble sensor (5) and a pressure sensor (8) are sequentially arranged on the channel from left to right;
the display device is characterized by further comprising a controller, wherein the driving motor (14), the display screen (1), the matrix keyboard (2), the pressure sensor (8) and the bubble sensor (5) are respectively electrically connected with the controller through an integrated circuit board.
2. The linear peristaltic blood pump according to claim 1, wherein a hook is arranged at the upper end of the damping pit, a door lock sliding key is arranged at a position of the door plate (3) corresponding to the hook, the door lock sliding key is fixed on the door plate (3) through the sliding key pin, one end of a door opening ejector rod penetrates through the side face of the door lock sliding key and tightly abuts against the hook, a door opening shifting block (9) is arranged at the other end of the door opening ejector rod, and the hook is pushed open by pressing the door opening shifting block (9) so as to open the door plate (3).
3. The linear peristaltic blood pump according to claim 1, characterized in that said cams are 12 in number and in that the direction of movement of the pump blades (6) mounted on said cams is a back-and-forth oscillating wave-like motion.
4. The linear peristaltic blood delivery pump of claim 1, wherein the infusion mode of the infusion pump includes at least one of: volume mode, time mode, weight mode, intermittent mode, hour mode, and drop count mode.
5. The linear peristaltic blood pump according to claim 1, wherein the keys of the matrix keyboard (2) comprise at least one of: number keys 0-9, power on/power off key, start/confirm key, stop/change key, secondary/fast push key.
6. The linear peristaltic blood pump according to claim 1, wherein the tower spring (12) is integrally formed, and integrally presents a three-arch bridge-type symmetrical structure, and comprises rib tops (19), the rib tops (19) are located at the highest bulge in the middle of the tower spring (12), the shapes of two sides of the rib tops (19) are matched with the shock absorption pits, and tower shoulders with ascending symmetry are arranged on two sides of the tower spring (12). (20)
7. The linear peristaltic blood pump of claim 6, wherein said tower spring (12) is made of steel through a process of sintering, heat treatment and rust prevention.
8. The linear peristaltic blood transfer pump of claim 7, wherein said tower spring (12) is 60Si2Mn spring steel.
9. The linear peristaltic blood pump according to claim 8, wherein the anti-rust treatment is a chemical protective layer sprayed on the surface of the conical spring (12) by using anti-rust grease.
10. A method of using a linear peristaltic blood pump as claimed in claims 1 to 9, comprising the steps of:
s1, clicking a start key to enable the blood delivery pump to enter a working state, and displaying the last used infusion set gauge and the working mode on the display screen (1);
s2, confirming whether the used infusion set gauge is the same as the last infusion set gauge, and clicking a confirmation key to select if the used infusion set gauge is the same as the last infusion set gauge; if the infusion set is different, the product format of the infusion set is adjusted by clicking a selection key;
s3, pressing the door opening shifting block (9), opening the door panel (3), placing blood transfusion pipelines on the channel according to the sequence of left-in and right-out, straightening the blood transfusion pipelines and closing the door panel (3);
and S4, selecting a proper working mode, typing the transfusion volume and the transfusion rate through the numerical keys, and clicking the start key to start transfusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911325418.9A CN110882437A (en) | 2019-12-20 | 2019-12-20 | Linear peristaltic blood delivery pump and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911325418.9A CN110882437A (en) | 2019-12-20 | 2019-12-20 | Linear peristaltic blood delivery pump and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110882437A true CN110882437A (en) | 2020-03-17 |
Family
ID=69752635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911325418.9A Pending CN110882437A (en) | 2019-12-20 | 2019-12-20 | Linear peristaltic blood delivery pump and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110882437A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130142670A1 (en) * | 2006-11-13 | 2013-06-06 | Q-Core Medical Ltd. | Finger-type peristaltic pump comprising a ribbed anvil |
| CN104582752A (en) * | 2012-09-27 | 2015-04-29 | 泰尔茂株式会社 | Infusion pump |
| CN204637157U (en) * | 2015-05-14 | 2015-09-16 | 北京厚爱医疗仪器有限公司 | Without swinging infusion pump pressure pipe structure |
| CN105031762A (en) * | 2015-08-05 | 2015-11-11 | 苏州泽德医疗器械有限公司 | Transfusion apparatus |
| JP2016010602A (en) * | 2014-06-30 | 2016-01-21 | ミネベア株式会社 | Blockage detection device, transfusion device and blockage detection method |
| CN209004878U (en) * | 2018-07-25 | 2019-06-21 | 北京科力建元医疗科技有限公司 | A kind of pump installation of infusion pump |
| CN209204305U (en) * | 2018-08-31 | 2019-08-06 | 珠海市美瑞华医用科技有限公司 | A kind of improved infusion pump of structure |
-
2019
- 2019-12-20 CN CN201911325418.9A patent/CN110882437A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130142670A1 (en) * | 2006-11-13 | 2013-06-06 | Q-Core Medical Ltd. | Finger-type peristaltic pump comprising a ribbed anvil |
| CN104582752A (en) * | 2012-09-27 | 2015-04-29 | 泰尔茂株式会社 | Infusion pump |
| JP2016010602A (en) * | 2014-06-30 | 2016-01-21 | ミネベア株式会社 | Blockage detection device, transfusion device and blockage detection method |
| CN204637157U (en) * | 2015-05-14 | 2015-09-16 | 北京厚爱医疗仪器有限公司 | Without swinging infusion pump pressure pipe structure |
| CN105031762A (en) * | 2015-08-05 | 2015-11-11 | 苏州泽德医疗器械有限公司 | Transfusion apparatus |
| CN209004878U (en) * | 2018-07-25 | 2019-06-21 | 北京科力建元医疗科技有限公司 | A kind of pump installation of infusion pump |
| CN209204305U (en) * | 2018-08-31 | 2019-08-06 | 珠海市美瑞华医用科技有限公司 | A kind of improved infusion pump of structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9878093B2 (en) | Miniature portable multifunctional infusion device | |
| CN108853635A (en) | A kind of automatic opacifying injection device | |
| CN103622554A (en) | Water dispenser with quantitative and constant-temperature water discharging function and control method for water discharging of water dispenser | |
| WO2008063541A3 (en) | Variable flow infusion pumps system | |
| CN107456625B (en) | Fluid infusion apparatus and its drive system | |
| CN101530642B (en) | Method for controlling number of infusion drops | |
| CN113230496B (en) | Self-control type operating room infusion heat preservation nursing control device | |
| CN110882437A (en) | Linear peristaltic blood delivery pump and use method thereof | |
| CN100534540C (en) | A power transfusion device used in the portable intravenous injection system | |
| CN101530643A (en) | Infusion speed and temperature controller | |
| CN110975059A (en) | Linear peristaltic nutrition pump and using method thereof | |
| CN110882438B (en) | High-speed infusion pump for emergency treatment and use method thereof | |
| CN104906643A (en) | Blood pumping device | |
| CN108143631A (en) | A kind of intensive care unit nursing medicine-feeding device | |
| CN105126228B (en) | A kind of intelligence Chinese Medical Nephrosis therapeutic equipment | |
| CN103948988A (en) | Venous transfusion device with driving plate type flow regulation device | |
| CN201399122Y (en) | Infusion speed and temperature double-control device | |
| CN2759418Y (en) | Circular constant temperature defrosting box | |
| CN202154911U (en) | High-precision intelligent infusion pump | |
| CN102836480A (en) | High-precision intelligent infusion pump | |
| CN209827803U (en) | Infusion system composed of air as power device | |
| US20130310738A1 (en) | Portable intravenous fluid delivery device with a user interface | |
| CN110269971A (en) | Intelligent infusion control device | |
| CN201101772Y (en) | Transfusion utensil liquid medicine flow velocity control device | |
| CN100509070C (en) | Medicine liquid flow rate controller for infusion set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200317 |