JP3502086B2 - Syringe pump - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention
Hold the nozzle in an immovable state so that it can be
Is the pusher of the syringe set to the immovable state with respect to the step?
Then, by driving the slider means in a predetermined manner, the contents of the syringe
Related to syringe pumps that deliver objects accurately, especially
It relates to a syringe pump that automates the operation of
You. [0002] Syringe pumps include ICU, CCU, N
Nutrition and blood transfusion, chemotherapeutic agents, anesthetics, etc. in ICU
The main purpose is to perform high-precision drug injection
Yes, its chemical liquid flow control etc. are different from other types of pumps.
It is often used because it is excellent. [0003] The method of use is to put a drug solution in a syringe
State using the syringe pump clamp.
State, then push the syringe against the slider.
After setting the child, drive the slider to
Accurate delivery of syringe contents by piston movement
With a simple structure and relatively high accuracy.
It has been practically used. [0004] However, the volume is
When different syringes are used, for example, 5
For a long time using a 0cc syringe
When performing an infusion, a busy nurse may
It will be difficult to stay in the pool. [0005] Usually, a large number of patients are monitored by one person.
From all over the syringe pump fixed to the bed
Operating status of all pumps or other medical devices
Can not grasp. Accordingly, the present invention has been made in view of the above-mentioned problems.
At least for the delivery
A syringe that can recognize the cropping state even from the separated position
The purpose is to provide a dipump. [0007] To solve the above-mentioned problems, the present invention
According to the present invention, in order to achieve
Also, the operation state for sending out from the separated position
Syringe with recognition means and sounding means capable of recognizing the
A pump, wherein the recognizing means is provided for the syringe pump.
It is provided so as to protrude from above, and
Change the display color according to the
A display unit that flashes and displays at different speeds is provided.
If the stop state continues while the feeding is possible, the recognition
The stage and the sounding means are synchronized, and the recognition means blinks red.
And the sounding means is capable of sounding a buzzer.
It is characterized by. [0008] [Embodiment of the present invention will be described below embodiments of the present invention
This will be described with reference to the accompanying drawings. Figure 1 shows a syringe pump 1
FIG. 4 is an external perspective view of FIG.
So that the setting dial 6 normally operated with the right hand can be seen
FIG. In this figure, this syringe pump 1
Nutrition, transfusion and chemistry in ICU, CCU and NICU
Micro-sustained for infusion of medical solutions such as therapeutic agents and anesthetics
An operation panel for displaying the flow rate etc.
So that the center portion 2f is substantially concentrated on the upper surface as shown in the figure.
It is provided to improve operability. The operation panel 2f basically operates
Covered with boss seat cover, JIS0920 protection
Drip-proof design that satisfies the drop test
To be able to easily wipe off spilled chemicals etc.
To prevent chemicals from entering the interior
It has high drip-proof properties. For this purpose, the upper cover 2 and the lower cover 3 are made of a chemical resistant material.
In addition to being integrally molded from molded resin material with
In addition, for example, a silicon
With rubber elastomer 4 made of cone elastomer interposed
With a screw-down configuration, foreign substances such as liquid
Is configured to prevent intrusion. [0014] Also, emphasis is placed on high injection precision and operability.
Precise injection by microcomputer control
Operation control can be realized, and it is easy to see from outside.
Operation indicator that projects upward from the
7 lights or blinks in red or green in multiple colors,
Indicator to indicate whether the operating status or alarm status is distant.
To ensure safety by monitoring
You. In addition, a buzzer is built in for safety.
In addition, it has various alarm functions. Also, since it is small and lightweight, it can be carried around.
Simple and convenient to use when multiple units are used at the same time
It is designed to be profitable. Furthermore, right of the device
Turn the setting dial 6 on the side to change the rotation speed and direction.
While setting the numerical value according to in a short time,
Set values can be displayed on the display section 11 of the display panel.
When changing the setting of numerical values such as flow rate, use the setting dial 6
Easy operation with one action
You. [0016] Furthermore, a shape that can be used in multiple (multiple use)
With a design that is easy to use and can be further built up
And the dimensions are, for example, height H: 110 mm × width
W: 322 mm x depth D: 115 mm
The volume ratio is 80% or less and the weight is about 2.0 kg.
Power supply is AC commercial power, built-in battery, DC
There are three systems of 12 VA. The built-in battery has a charging time of 24 hours (hours).
Between them), so that they can be easily replaced from outside.
The bottom of the bar 3 is covered with a lid and connected with a connector.
It is provided detachably. Replacement life is 3 years or more.
While the charge control is trickle charge.
ing. Furthermore, cell damage detection of rechargeable battery / cell
Prevents over-discharge and charging due to breakage safety measures. So
Use a heat-resistant (Ni-Cd) battery
Shut down for 120 minutes or more until battery warning occurs
It can be operated for more than 150 minutes. A display unit 10 for gamma injection;
The display panel 11 for the flow rate / planned quantity / integrated quantity, etc., is the operation panel 2
f, while the setting dial 6 is
The recess 6e is formed so that it can be easily removed.
The toe is inserted into this part and pivoted and moved outward.
It is configured so that it can be moved and removed. Next, in order to set the main body S of the syringe.
The upper cover 2 has a syringe stage 2a and a syringe book
The flange part SF formed integrally with the body is set
While the slit portion 2c to be formed is integrally injection-molded,
Clamp column 2b (a broken line diagram)
2) is also integrally formed. Then, it is driven in the direction of arrow A4 in the figure.
The slider assembly 50 reciprocates on the recess 2d of the case.
On the other hand, the slider feed mechanism shown
Pipe shaft, inner clutch shaft end
And the slider assembly 50
By manually operating the clutch lever 52, the pusher SP
Configured to be easily installed or removed
ing. FIG. 2 is a right side view of the main body 1 of FIG.
Therefore, in this figure, the same reference numerals are used for the components already described.
When the description is omitted and affixed, DC is attached to the lower cover 3.
The power connector 9 and the AC inlet 8 are provided side by side.
You. FIG. 3 is a left side view of the main body 1 of FIG.
Therefore, the external communication connector 12 is provided on the bottom of the side surface of the lower cover 3.
Is provided, and an external communication function described later, for example, an external communication function is provided.
External communication function connected to a medical monitor
To enable remote control of blockage detection and motor drive
are doing. Also, next to the external communication connector 12
Nurse call connectors 13 for nurse calls are provided side by side.
Nurse near bed when installing in hospital
Connect to call connection terminal to notify nurse of abnormal condition occurrence
To be able to Further, as shown in FIG.
Female screw part 14 for fixing with clamp N (shown by broken lines)
Are insert-molded in the lower cover 3. FIG. 4 is a plan view of the operation panel section 2f.
You. In the figure, a power switch 15 and an AC / DC
Lamp 16 and battery lamp 17 are concentrated at the left end
It is arranged. Gamma setting table next to these lamps
A gamma setting display unit 1 is provided.
Models without 0 can also be used sufficiently, so models without
is there. The gamma setting display section 10 has a display ON / OFF.
A switch 10a and an item changeover switch 10b are provided.
Have been. On the other hand, a clamp 5 is provided on the display section 10.
When setting using the
Automatically measures syringe diameter after converting momentum to electrical signal
Syringe volume set 10cc (ml), 2
0cc (ml), 30cc (ml), 50cc (ml)
Is provided with a syringe display lamp 18 for displaying
Have been. Further, a transparent acrylic is provided below the clamp 5.
Molded so as to project upward from resin etc.
Operation indicator 7 is provided, and the built-in red
And light emitting diodes 7a to 7d adapted to appropriately emit green light
Flashes or flashes, and rotates in the direction of the arrow shown.
The light is scattered inside, as shown in FIG.
Light display is enabled. Next to the clamp 5, a syringe pump is installed.
The detection pressure set by the closed detection mechanism is cut off by 3 steps
Display lamps 19a, 19b and 19c for switching
Have been killed. Next to these lamps is a battery alarm
Lamp 20, battery alarm lamp 22, etc. are concentrated
It is arranged in. Next to these lamps, the flow rate, the planned volume,
7-segment equipped with integrated amount lamps 23, 24, 25
An LED display unit 11 is provided. Also this display
On the right side of the section 11, a display changeover switch 26 and an integration
A switch 27 is provided. And the display unit 11
A fast forward switch 30, a start switch 29
A stop / mute switch 28 is provided. In the above configuration, FIG. 5A and FIG.
Main part external appearance perspective view and main part sectional view of clamp 5 of FIG.
As shown in, the clamp for setting the syringe S
6 is lifted to the upper arrow D3 (FIG. 6A).
By rotating about 90 degrees in the direction of arrow D4, the clamp support
2b for the vertical projections 2b-1, 2b-2, 2b-3
The clamp 5 held in the spline fitted state
At the upper end of the pump post, resist pulling force (not shown).
You will be able to stay. Subsequently, the flange SF of the syringe is slipped.
To set the syringe flange SF,
Insert into slit 2c. After that, the syringe body S is
After setting it on the syringe stage 2a,
When the lamp 5 is rotated in the direction of arrow D1 (FIG. 5A),
The locked state described above is released and pulled in the direction of arrow D2 in the figure.
The syringe is clamped by being stretched. The above-mentioned slit 2c and syringe stage 2
As shown in the drawing, a smaller-diameter arc groove portion 2a-2, 2a
a-3 and 2a-1 are further integrally formed as shown in the figure.
And hold a small-capacity, small-diameter syringe in an immobile state.
I can do it. This completes the syringe setting.
Complete. Subsequently, release the clutch and move the slider.
The slider assembly 50 shown in FIG.
When the clutch lever 52 is pressed, the slider moves by hand.
I will let you. Then, the pusher SP of the syringe is moved to the slider.
After being brought into contact with the assembly 50, the clutch lever
52 is released, the left and right hooks 53 and 54 push the syringe S.
The child SP is automatically held. That is, the clutch
When the lever 52 is released, the slider hook
The pusher is pinched. The above is the basic set operation
is there. FIG. 7 and FIG.
It is an external appearance perspective view of an idler feed mechanism. In both figures, zinc
Die-cast base 34 with excellent rigidity and vibration isolation
The left and right wall surfaces 34a (one is not shown) are integrally formed
The gear of the gear train 36 is fixed to one end.
A lead screw 37, an inner clutch shaft 43,
Each of the guide shafts 38 is connected to the left and right wall surfaces 34a (
(Not shown) is supported in the space between
The lead screw 37 is rotatably supported by a bearing (not shown).
Have been. The inner clutch shaft 43 has a guide
The bush 48 allows movement in the direction of arrow A4.
Pipe shaft 40 is slidably guided coaxially
Have been. In addition, the guide shaft 38 is
Fixed to the switch 34. End of this pipe shaft 40
Is inserted into the guide shaft 38 to prevent rotation.
To fix the bush 42 made of polyacetal resin
Block 41 is fixed. In addition,
Switch shaft 43 is always attached in the direction of the dashed arrow A1 shown in the figure.
The tooth portion 45a is always in contact with the tooth portion of the lead screw 37.
Fix the half nut block 45 so that it meshes
Nut holder 44 is fixed.
The clutch shaft 43 is rotated in the direction of the solid arrow A3.
Only when it is in the free state
And can be freely moved in the direction of arrow A5.
I have. Also, the clutch sensor plate 3 is provided on the guide shaft 38.
9 is pivotally supported. Further, the slider feed mechanism 33 is further
Is provided with a blockage detection mechanism. Slider feed mechanism 3
The configuration of 3 is a motor in which the encoder is fixed to its output shaft.
35 is a feed screw through a gear train 36
Power is transmitted to the final gear fixed to the lead screw 37
This moves the nut holder 44 and pushes the syringe.
Inject the liquid medicine inside by pressing the child SP
At this time, the nut holder
Darr 44 tries to move in the feed direction, but syringe S and
Operation in the opposite direction is caused by resistance in other infusion channels.
The force to use occurs. In this way, the generated force is applied to the nut holder.
-44 and the half nut 45 and seed screw 37
Depending on the meshing state of the feed screw, the entire feed screw is
Receives a reaction force in the direction. As a result, the entire lead screw is
Move and the leading end of the feed screw passes through a lever (not shown)
The force is transmitted to the force sensor. In this manner, the transmitted force is
This mechanical deflection causes electrical distortion
Is converted to a typical output and a certain set value (E2PROM, (however,
Half-width 2 indicates superscript))
Operation alarm as an alarm
Alarm sound (buzzer)
Move). In addition, as described above, syringes and other
The load setting resulting from the resistance in the liquid flow path
Three display lamps 19a, 19 provided on the display panel
b, 19c, the three-stage switching display is displayed, and the load setting
The fixed values are as follows. (1) H (high); (800 ± 200 mmHg) (2) M (medium); (500 ± 100 mmHg) (3) L (small); (300 ± 100 mmHg) Also consider the sliding resistance of
, Each manufacturer, syringe volume type (50c
c, 30 cc, 20 cc, 10 cc)
Automatically compensates for the sliding resistance of the sensor. Replacement inside CPU
The memory (E2PROM) has syringes for 10 companies
Dynamic resistance data is stored in advance, and any manufacturer
It can be set. On the other hand, the remaining amount detection mechanism is running low during operation.
This is an important function when the pump runs out.
The block 41 and the nut holder 44 are continuously moved.
To reach an arbitrary position where the syringe presser SP is moved.
When it reaches, the block fixed to the pipe shaft 40
(Not shown) secured to the upper cover 41
To the potentiometer lever fixed inside 2
Be in contact with you. From such a contact state,
If the movement continues, the value of the potentiometer will be
It reaches the stored predetermined value. At this time, inform the abnormal state
Display on the operation indicator 7 as an alarm
A warning sound is generated and the remaining amount alarm is displayed. As described above, the operation of the pump for injecting the chemical solution is described.
When the operation is completed, it moves in the direction opposite to the
The slider is returned to the position, and the potentiometer level is
The bar is initially opened by the force of the tension spring connected to the lever.
It is configured to return to the period position. Also, crack
The misalignment detection mechanism mistakenly closes during the pump feed operation.
When the latch lever 52 is gripped,
The engagement between the nut 45 and the lead screw 37 has been cut.
Or the same due to the action of some load, etc.
When an alarm occurs, an alarm sound is generated and the operation indicator 7
This is to inform more abnormalities. For this purpose, the clutch of the slider assembly 50
When the lever 52 is grasped, the pipe shaft 40
The leaf nut 45 is in the opposite direction to the dashed arrow A1 shown in FIG.
As a result, the thread of the lead screw 37 is
Between the portion 37a and the thread portion 45a of the half nut 45
It is configured so that the meshing state is released. Further, the half nut 45 rotates as described above.
When this is done, the sliding surface 45c of the half nut 45 is
The urging means (not shown) causes the sliding surface 39c to abut.
The clutch sensor plate 39 receiving the urging force
It is rotated and the lever part at one end of the clutch sensor plate 39 is rotated.
Photo sensor 39b is fixed inside the upper cover
-(Transmission type) 46, which is a normally light-shielded sensor
The rotation of the clutch sensor plate 39 makes the light
Is transmitted, so by detecting this,
It is configured to display an alarm. In FIG. 8, the pusher is moved.
When the motor 35 is driven, the lead screw 37 rotates.
The half nut 45 that is driven and meshes with this is fixed.
Nut holder 44 is moved in the direction of arrow B1.
The pipe shaft 40 is also moved in the direction of arrow B2.
Then, the slider assembly 50 is moved. At this time,
The lever 39b at one end of the clutch sensor plate 39 is
The sensor (transmission type) 46 is shielded from light. Next, the syringe cross-sectional area data is stored in the CP
Replaceable memory (E2PROM) inside U for 10 companies
Syringe area data is stored, and
Car can be set. Also, battery failure detection
A mechanism is provided to show two or more cells of the battery.
It is possible to detect the damage of the default mode. Furthermore, γ (cancer
B) Injection, scheduled amount injection, alarm / drive status display
The alarm has a stereoscopic display and is driven
In this state, the LED lighting location is rotated. The remaining battery level display indicates the remaining battery level.
As indicated on the battery lamp 17 in three stages
I have to. Conventionally, detection of battery level
Used to be based on the battery voltage,
By performing current integration, the remaining battery power can be more accurately determined.
Is detected. The setting dial 6 has three dials on the side.
Concave portions 6a are provided, and fingertips are provided in these concave portions 6a.
So-called jog tie configured to rotate after inserting
It is. This setting dial 6 is a non-contact type
With an endless encoder that detects the rotation of the ear
Yes, it is possible to rotate at a high speed after putting the fingertip into the recess 6a.
Can be set according to the rotation angle.
That can be easily attached and detached as needed.
If the syringe contents liquid leaks onto the pump device,
In the case of the operation panel where other drip-proof measures are sufficient,
They are ready to be washed in water. This setting dial 6
Rotate clockwise to increase various setting values.
The display is performed on the display unit 11 shown in FIG. Likewise
When the setting dial 6 is rotated around the meter, the set value
Displayed on the display unit 11 so as to be displayed. Specifically, it is arranged on the display panel of FIG.
When the displayed display changeover switch 26 is pressed, the flow rate
, The planned amount lamp 24 and the integrated amount lamp 25
It is illuminated so that each setting can be performed. Therefore, when setting the flow rate, turn off the display.
The changeover switch 26 is pressed to turn on the flow lamp 23
After setting, rotate setting dial 6
Set. As a result, the set value is displayed on the display unit 11.
It is carried out. This display range is from 0.0 to 1200 ml
/ H (~ 999.9: 0.1 ml / h step) (10
00: 1 ml / h step)
Volume → 0.0 and wide injection range can be set
ing. In addition, about each kind of syringe of each maker
I can guarantee it. In addition, the flow rate set value "0"
Sometimes the buzzer fires one shot and cannot start
I have to. In addition, the flow rate setting value
The buzzer sounds a one-shot alarm and
I can't start. To set the integrated amount, the display must be turned off.
Press the switch 26 to turn on the integrating lamp 25
And then look at the display unit 11 shown in FIG.
The setting dial 6 is rotated to set. At this time
The display range of the integrated amount is 0.0 to 999.9 ml (0.1
ml step) and the minimum flow rate becomes 0.0
And an encoder fixed to the output shaft of the motor 35
The fast-forward switch while integrating from the pulse count value of
The fast-forward amount that is fast-forwarded after 30 is pressed is added.
I am trying to. The injection amount is set based on the weight;
0.0 Kg (0.1 Kg step), drug amount; 0.0
-300.0 mg (0.1 mg steps), solution volume;
0.0-300.0ml (0.1ml step), γ
Amount; 0.00 to 50.00γ (μg / Kg / min)
(0.01γ steps). The minimum flow rate is displayed from 0.0 to the flow rate.
Enter the body weight, drug amount, solution amount, and γ amount.
It is automatically calculated and displayed, and displayed
It can be started with flow rate. The result of this calculation is
Settable flow rate (0.1 ml / h or more, 1200 ml / h
In the case of deviation from the following, the flow rate display on the display unit 11
Is displayed as "----" other than numbers,
The buzzer issues a one-shot and starts pump operation.
I try not to come. On the other hand, if the calculation result is within 1200 ml / h
At the time, the calculation result is displayed, but it is 300.1 ml / h or more.
And the type of the syringe is 10 to 30.
cc, the start switch
Buzzer sounds one shot and starts even if button 29 is pressed
I try not to. Next, when the fast-forward switch 30 is pressed, the feed is started.
When the liquid flow rate is increased and the syringe is 50cc, 1
200ml / h, 500ml / h for 30cc,
400ml / h for 20cc, 10cc syringe
In this case, the liquid is sent at 300 ml / h. The display range of the set amount is 0.0 to 9
99.9ml (0.1ml step), minimum flow rate →
It is set to 0.0 and operates by the internal selection switch
You can choose. And the scheduled amount = 0.0
In the case of, when the start switch 29 is pressed, the buzzer
One-shot alert and scheduled amount LED scheduled amount
The lamp 24 flashes and cannot be started. Ma
In addition, when the scheduled amount <= integrated amount, the LED of the scheduled amount lamp 24
It flashes and issues a buzzer so that you cannot continue.
In addition, it is planned that the expected amount <= the integrated amount during the injection
The LED of the quantity lamp 24 flashes and a buzzer is sounded.
Automatically switches to KVO operation. At this time, the flow rate
Is displayed as KVO (0.1 ml / h),
Pressing the sound switch 28 once mutes the sound. This KVO operation
There is a re-alarm during continuation, and the stop switch 28 is pressed again.
Stop when done. On the other hand, an initial display when the power is turned on to the apparatus
Is "0" ml when not in the memory mode.
ing. Next, FIG. 9A shows the slider assembly 50.
FIG. 9B is a perspective view of the appearance, and FIG.
It is the external appearance perspective view shown. FIG. 10 is a front view of FIG.
It is. First, referring to FIG.
Is the inner clutch shear of the slider feed mechanism 33.
Shaft 43 and the end of the pipe shaft 40
Holds various different syringes in an immovable state
And drive it to accurately syringe contents
Has an important function for sending out. Also, boots 51
Is covered on the pipe shaft 40. In FIG. 9, arrows are used to grip the pusher.
Substantially L-shaped that can be opened and closed in synchronization with B3 and B4 directions
A pair of left and right hook members 53 and 54 having a shape and an inverted L shape.
Is a rotating part at the side of the base where the pusher is gripped.
It is supported rotatably at 53k and 54k, respectively.
You. The left and right hook members include a first arm portion.
53-1 and 54-1 and second arm portions 53-2 and 54-2
Are formed as shown in FIG.
The grooves 53a and 54a shown in FIG.
This pin is provided so as to pass through
61 is the pressing operation of the clutch lever 52 in the direction of arrow B1.
The left and right hook members 5 are moved further in the direction of arrow B2.
3 and 54 are opened in synchronization with the directions of arrows B3 and B4.
Has been established. As described above, the operation of the clutch lever 52
It is understood that the left and right hook members 53 and 54 are opened.
U. In FIG. 9A, the side of the cover 55
Protrusion provided for placing a pusher on a surface part
55a are provided so as to form at least one step.
It is possible to place a presser of different size
In addition, the pusher is prevented from falling downward. FIG. 11 shows a state where the slider assembly 50 is
FIG. FIG.
FIG. 13 is a front view in which the touch lever 52 is removed, and FIG.
11 is a front view of FIG.
If the number is omitted and the explanation is omitted, the slider base 60
Slider component 65 and clutch slidably provided
A tension spring 63 is provided between the hooks 52d of the lever 52.
The slider part 65 is
The left and right hook members 53 and 54 are always
When closed it is biased. In this slider part 65,
Protrusions 64a of freely provided plate cam parts 64
The cam groove 52a in which the infiltration enters (shown by a broken line
Is formed on the clutch lever 52 so that the clutch
Manually rotating the chilever 52 in the direction of arrow B1
Then, the plate cam component 64 is moved in the direction of arrow B9.
I'm trying. One end of the side surface of the base 60 is
Biased by the action of the spring
The stopper part 57, the plate cam part 64
A part 57 into which a pin 58 sliding on a sliding surface 64g of the
Are provided so as to penetrate the plate cam component 64.
You. On the other hand, in FIG.
-The end of the clutch shaft 43 was cut in parallel
A locking portion 43e is formed, and the locking portion 43e is
The plate 67 made of a thick stainless steel plate
6 and fixed to the plate 67.
Adjustment bolt 77 is rotated by rotation of the clutch lever 57.
It is configured to abut. Also, clutch lever
-52 is rotatably supported around the pipe shaft.
The screw 66 is set in the long groove 52c.
I have. FIG. 16 shows the slider component 65 and the press.
Between the cam part 64 and the stopper part 57.
It is the external appearance perspective view shown. In this figure, the slider component
65 can be moved up and down on the slider base 60
While the pin 61 is insert molded
And the tension spring 63 is urged to move in the direction of arrow C.
When no external force acts, the arrow C1 direction
Left and right hook members 5 that have been moved to engage with the pins 61
3 and 54 are closed. Further, the plate cam part 64 is
The movement of the bar 52 causes the protrusion 64a to move in the direction of arrow B9.
When moved, the contact surface 64c is brought into contact with the slider component 65.
65a, and the slider component 65
Together with the pin 61 to move in the direction of arrow B9.
Thus, the left and right hook members 53 and 54 are opened. On the other hand, the stopper part 57 has the opening 64
k and the sliding of the plate cam component 64
Press-fit pin 5 that slides over 64 g of moving surface to prevent falling off
8 is provided, and the press-fit pin 58 falls into the step portion 64t.
In the state, it is configured to regulate the movement of the slider part 65
Have been. That is, FIGS. 14 and 15 show the slider part 65.
FIG. 2 is a cross-sectional view of a main part, in which only
Hook members 53 and 54 are opened by operating latch lever 52
When the clutch lever 52 moves to the plate
67 to the inner clutch shaft 43
The slider assembly 50 is disengaged from the slider feed mechanism 33.
Since they are in the combined state, they move in the longitudinal direction. On the other hand, the syringe is
When it is set, the press-fit pin 58 of the stopper part 57
To the position 64t, and the operation of the clutch lever 52 is started.
Make the operation impossible and remove the hook members 53 and 54
Move to closed state. At this time, the slider assembly 5
0 is in mesh with the slider feed mechanism 33
Is configured. FIG. 17 shows a communication code.
18 is a block diagram of the connection state.
RS-232C and RS-485 are controlled by switches
It can be switched and the transmission speed is
Whether the transmission speed is 4800 bps by operating the switch on the body panel
So that it can be changed in the range of 19200 bps
Has become. The synchronization method is a start-stop synchronization method.
As shown in FIG. 17, the start bit is one bit,
8 bits (LSB first) parity bit
, Stop bit is 1 or 2 bits (2 bits
(Factory default setting), and can be switched by operating the switch.
ing. The transmission procedure is as follows.
Syringe pump starts responding when command is sent to dipump
You. At this time, the syringe pump receives
If not, do not return any response. Also syringe
When the pump cannot receive the communication end code (ETX),
Maintain the waiting state. Communicate before receiving this ETX
When the start code (STX) is received, the
Even if the answer is normal, treat it as a phase error. However, when the waiting time exceeds 3 seconds,
If you receive “STX to ETX” that is not addressed to you,
The received data up to this point is invalidated. The transmission pump of "reception → transmission" of the syringe pump
Imming completes reception → Preparation time for start of transmitter is 40m
s or more, start preparation time of transmission unit → transmission start time is 10m
s or more, transmission completed → The preparation time for the end of the transmission unit is 20 ms or less
It is on top. The transmission code is a communication start code (ST
X): Set to FFH, communication end code (ETX): OOH
The address is set to the corresponding number: 31H
I'm trying. An ID number can be set with an arbitrary 8-digit number
(The factory setting is 00000000.
ing). The sequence numbers are as follows:
ing. [0080] The sequence number received by the syringe pump last time
If the number is the same as the one entered, no
Resend the response, but return the sequence number 0
In some cases, the instruction is unconditionally processed. Syringe
The sequence number in the response from the
Use the same sequence number. The sequence number of the communication error is F
Use FH (255). The command is 01H and the internal information of the syringe pump is
Information, the auxiliary command sets the basic operating state at 00H, and
Requests gamma information at 01H and scheduled amount information at 02H
Is set to FIG. 19 is a center sectional view of the setting dial.
You. FIG. 20 is an exploded perspective view of the setting dial 6.
You. The same reference numerals are given to the components already described and the description is omitted.
In both figures, the setting dial 6 is
Resin material that satisfies almost the same specifications as the covers 2 and 3
Injection molding from the center of rotation
Durable bearings (metal bushes) made of metal
73 is integrally provided by insert molding or the like.
You. The inside has different polarities in the thickness direction.
Of the permanent magnets 70 magnetized so that
Built-in so that the plastic sheet 75
More coated. Or, as shown in FIG.
Cover the preformed plastic sheet 75 in a hat shape
So that the permanent magnet 70 is not directly exposed to the outside.
To prevent rusting when washing with water.
You. In addition, rubber or the like obtained by dispersing this permanent magnet magnetic material
May be formed of the above elastomer. On the other hand, on the upper case 2 side, a bearing portion (metal
Buried shaft for rotatably supporting the bush 73)
72 are implanted, and the bearing (metal)
Bush) 73 inserted and detachable
In this state, as shown in FIG.
Hall IC 71 disposed on the side surface of the
Paramagnetic material such as iron, steel, cobalt, nickel or these
Formed of an elastomer such as plamag in which
At a position facing the convex portion 74a of the body ring 74.
I have to. Also, as shown in FIG.
6 is fixed to the upper cover 2 in a mounted state.
Hall IC 71, magnetic ring 74 and permanent magnet 7
The dimensions between the 0 side parts are in the positional relationship as shown in the figure.
So that the end face of the metal bush 73 contacts the upper cover
Like that. FIG. 22 is a sectional view taken along the line XX of FIG.
Only the Hall IC 71 and the magnetic ring 74 are shown.
FIG. In this drawing, the magnetic ring 74 is shown.
Are provided at equal intervals at 10 locations over a substantially semicircle.
It is formed integrally. The Hall IC 71 opens in a semicircle.
Are arranged in the part where
The permanent magnets 70 arranged at intervals are a Hall IC 71
And the convex portions 74a of the magnetic ring 74, respectively.
To turn on and off the Hall IC 71
I have to. The pitch at which the convex portions 74a are provided
And the pitch at which the permanent magnets 70 are provided
Click resistance when the setting dial 6 rotates
So that they suck each other. Usually for this
In the state of, the magnetic ring 74 and the permanent magnet are
The screw 6 functions as a means for preventing the fixed shaft from falling off. FIG. 23 shows a block to which the Hall IC 71 is connected.
It is a lock figure. As shown in this figure, two holes I
C71 is connected to the main board 101 via the connector 103.
When the power supply is 5 VDC,
In both cases, the bias generated in the A phase and B phase between the Hall ICs 71
The change in assault voltage is detected as an output with a phase difference of about 90 degrees.
Take out and input to the port of CPU 102 and set dial 6
The rotation direction and rotation speed (rotation angle) of the
The function as a means for outputting is enabled. In the above configuration, the operation of the setting dial 6 is performed.
Rotate the setting dial 6 from the state where the operation is not performed for a while.
Set value for the first 180-degree rotation when a crop is performed
Does not change, and what to do if it is accidentally rotated
are doing. When the rotation angle exceeds 180 degrees, for confirmation
Buzzer occurs and the set value depends on the rotation direction and rotation speed.
Are counted in a certain cycle to change
If the value is n counts and n cycles or more (n is an integer),
Make the digit of the digit change. Also, stop / mute
Turn setting dial 6 while holding switch 28 down
The digit value changes. For example, change the set value for each ml.
When setting, set value every 10 ml in 10 ml steps
When changing, the set value changes in 100 ml steps
You. The setting dial 6 configured as described above is
It can be cleaned by removing it.
The procedure is as follows. First, on the syringe pump body
So that the groove of the section and the recess 6e of the setting dial 6 coincide with each other.
I do. Between the main body and the recess 6e of the setting dial,
Puts fingertips. Next, swing the setting dial 6 left and right.
While pulling in the direction of the arrow,
Remove. After this, the main body, the buried shaft 72, and the setting
Wipe or wash each dial 6 cleanly. Qing
When the cleaning is completed, the setting dial 6 is
Insert until it reaches the base of the bottom 72. Finally, FIG. 24 shows the operation of the built-in buzzer.
It is a correspondence chart, which is synchronized with the operation indicator 7 described above.
The ringing pattern and alarm interval are generated as shown in the chart.
It is generated and informs and recognizes the user. What
In the chart, "three sounds" means "pee, pee, pee".
And three consecutive sounds. Same for "5 sounds"
It is. Also, the priority of the ringing is basically
(A) Occlusion, disengaged syringe, disengaged clutch,
(B) Battery voltage drop (2 minutes, 4 minutes, 6 minutes, 8 minutes,
(10 minutes, 10 minutes or more), (c) Remaining alarm, (d) Start forget
High priority so that
You. When multiple alarms are generated,
Switch to the other side. Similarly, when silence
When multiple alarms occur, the highest priority
Beep and sound like forgetting to start
Intermittent, key click, one shot
The alarm can be interrupted and sounded
You. On the other hand, referring again to FIG.
The operation of the cater 7 is as follows: (a) During normal operation,
In response, the built-in light emitting diode 7 has four different speeds.
a to 7d blink green sequentially in the clockwise direction. (B)
During operation stop, green light turns off except red light at alarm
You. (C) When the start is forgotten, all of the light emitting diodes 7a to 7a to
7d flashes red. (D) External communication was received
Sometimes it blinks green for a moment. The use of the syringe pump described above will be described.
First, as a preparation, check the equipment first,
J-pump 1 and attached pole clamp and AC power cable
And the infusion stand P, the syringe containing the drug solution, and the indwelling needle
Make sure the top is aligned. After this, Paul Kla
Pump to the infusion stand P, and
Securely fix to the liquid stand. Because of this,
Attach the pole clamp to the screw hole at the bottom of the dipump.
Insert a screw and fix it. Next, on the right side of the main unit,
Connect the AC power cable to the let 8 and ground the plug
Connect to AC100V outlet with terminal. When the AC power supply is connected, the battery run
Lamp 17 lights up and the internal battery is charged.
Is displayed. Therefore, the power switch is used to turn on the power.
Turn on the power by pressing 15 for about 1 second.
Flashes twice, the buzzer sounds again and the self-check
Is performed. At this time, the AC / DC lamp 16 lights up.
On the other hand, the display lamps 23 for the flow rate, the planned amount, and the integrated amount,
24 and 25 light up. Table of flow rate / planned quantity / integrated quantity
Indicating part 11 shows that a preset syringe maker
It is displayed numerically for 3 seconds. Syringe maker setting label
Is affixed to the syringe pump used
Is set on the syringe maker setting label and the main unit.
Make sure that the syringe manufacturer matches
You. After the lapse of a predetermined time, the flow rate, the scheduled amount, and the integrated amount
The number of the syringe maker on the display 11 disappears, and the display
11 displays “0.0”. Also operation indicator
7 is off at this time. On the other hand, the display lamp 18 of the type of the syringe is
With all four built-in indicator lights blinking,
Display that no syringe is attached and set the syringe
Prompt. The above display is all for the syringe S set.
It will be done if you can confirm. Insert the syringe into the injection line (Chu
B) and a syringe filled with the chemical solution in an aseptic environment
Once connected, set the syringe body S on the stage 2a.
To raise the clamp 5 all the way up,
Turn in the direction of arrow D1. That is, the external perspective view of the main part of FIG.
As shown in, to set the body S of the syringe
Pull up the clamp 5 and rotate it about 90 degrees.
So you can stay in the upper position with
Pull the clamp 5 upward and turn it in the direction of arrow D1. Then, slide the flange SF of the syringe.
To set the syringe flange SF,
Insert into slit 2c. After that, the syringe body S is
After setting it on the syringe stage 2a,
When the lamp 5 is rotated in the direction of arrow D1, the locked state is released.
And moved in the direction of arrow D2 to execute the syringe clamp.
U. Subsequently, the clutch of the slider assembly 50
Press the lever 52 to release the clutch and move the slider
At this time, the clutch lever 52 of the slider
Pressing allows the slider to be moved by hand. Then, the pressing element SP of the syringe is moved to the slider.
After being brought into contact with the assembly 50, the clutch lever
When release 52, the left and right hooks 53 and 54 automatically move the pusher SP.
Will be held in place. That is, the clutch lever 52 is
When released, the slider hook pinches the syringe presser
In a state where Thereafter, as described above, the clamp 5 is
Turn in the direction of D1 and lower in the direction of arrow D2 to
Is fixed. The syringe is set as above
Once done, prime. This priming is performed before puncturing the patient.
It must be performed, and it operates when the fast forward switch 30 is pressed.
When the indicator 7 is rotated and displayed, the pump operation is disclosed.
The drug solution comes out from the tip of the indwelling needle. This fast forward switch
Press and hold 30 to send the drug solution to the tip of the indwelling needle.
The quantity lamp 25 flashes. In addition, flow rate / planned quantity / integrated quantity
Of the display unit 11 flashes during fast-forwarding.
The priming is displayed on the display section 11
Is displayed. This priming volume is 0.1 ml
It is added to the integrated amount in a step. Where:
Pressing switch 27 clears the integrated amount to "0"
You can also. This priming is performed by using a gap between the syringe and the main body.
By eliminating the gap, the working surface of the main body slider assembly 50
Make contact with the syringe presser SP without any gap.
It is important to do so. After the above priming is completed, the flow rate
At this time, the flow lamp 23 is first turned on.
Make sure that This flow lamp 23 is on.
If not, press the display changeover switch 26 to
The lamp 23 is turned on. Thereafter, turn the setting dial 6 to
Set the flow rate per interval.
To prevent malfunction of the product and to ensure safety,
The value does not change for half a lap after
You. Also, if it goes over half a lap, a buzzer sounds and the value changes.
You. To increase or decrease this numerical value, move the setting dial 6 forward.
Turn to decrease the value, and turn backward to increase the value.
ing. Also, a state in which the stop / mute switch 28 is pressed.
Turn the setting dial 6 to change the value rapidly in the upper digits.
You. Regarding the type of syringe and the maximum flow rate,
The maximum flow rate that can be set is set according to the type of
For example, a maximum flow rate of 1500 ml with a 30 ml syringe
It has become. Therefore, a value larger than the maximum flow rate
When the start switch 29 is pressed after setting, the flow rate setting
The value is blinking and the injection is not started
Then, set again. The setting of the flow rate is completed as described above.
After confirming that the main unit 1 is stopped,
The needle was punctured into the patient's arm etc., and all preparations were completed
Then, a drug solution is injected. For this, the start switch 29
Pressing starts injection. The operation indicator 7
As it is turned on, the injection of chemicals can be performed remotely by turning it on.
You can also check from the person. In addition, whether the syringe is set in the main body 1
Even if about 2 minutes have passed since the end of the flow rate setting,
If the injection does not start, the buzzer sounds and you forget to start
To inform. Then, when the stop / mute switch 28 is pressed,
The buzzer stops sounding. If the flow rate is changed during the injection,
Perform a pause to stop the injection. For this reason
When the stop / mute switch 28 is pressed, the operation indicator 7
Turns off. After the injection is started, the integrated amount is confirmed.
Press the display changeover switch 26 and press the integrated amount lamp.
25 is turned on. Then, the flow rate, scheduled amount, and totalization
The accumulated amount from the start of the injection is 0.1 ml
It is displayed for about 15 seconds in steps. To clear the integrated amount, stop /
Pressing the mute switch 28 to stop the main unit 1
Then, press the display changeover switch 26 to display the integrated amount.
Press the clear switch 27 for about 1.5 seconds.
Sounds, and the integrated amount of the display unit 11 of the flow rate, the scheduled amount, and the integrated amount
Is cleared to "0.0 ml". When a predetermined amount of the chemical is injected, the stop
Check the condition and remove the syringe.
Pull up the pump 5 and turn it about 90 degrees.
Hold. Then, the clutch lever 5 of the slider 50
2 to open the left and right hook members 53 and 54
And remove the syringe. After that, if you do not use it again
, Press and hold the power switch 15 for about 2 seconds or more to turn it off. With the syringe pump having the above functions,
Although the desired function can be achieved sufficiently,
With the on-set setting function, more effective chemical liquid injection can be performed. For this purpose, first, the display ON / OFF switch is set.
Press and hold switch 10a for about 2 seconds or more to set gamma injection
10 lights up, and gamma injection becomes possible. Then, the item
Pressing the changeover switch 10b changes the gamma setting screen.
Each time the eye switch 10b is pressed, the gamma amount, weight,
The amount of the medicine and the amount of the solution are displayed blinking. The display is flashing
Since the location is an item whose setting can be changed, the desired item
Turn the setting dial 6 while the gamma setting is displayed.
The numerical value is set by changing the numerical value on the constant setting screen 10.
Setting dial while pressing the stop / mute switch 28
Turning 6 changes each step value rapidly
be able to. This gamma injection setting screen 10 is
In addition, the flow rate is automatically controlled by the amount of gamma, body weight, amount of drug, and amount of solvent.
Dynamic calculations are displayed. The external communication connector 12 shown in FIG.
Monitor the status of the syringe pump with an external medical monitor
It is provided in order to. Also, Nurse Call Connect
13 uses an optional nurse call cable,
Nurse call can be connected. As a special function setting, switching inside the main body
Setting of each mode as required by operating the switch
Changes are possible. These special features include flow
・ The standard amount of the planned amount on the display unit 11 for the planned amount and the integrated amount
And can be changed to the scheduled amount mode. standard
In the mode, each time the display changeover switch 26 is pressed,
The amount is displayed in the order of the accumulated amount, and the set amount cannot be set.
ing. Also, the operation of the changeover switch inside the main body
Therefore, when the mode is switched to the scheduled amount mode, the table on the display 11 is displayed.
The indication will be in the order of flow rate, planned amount, integrated amount, and set the planned amount
It is possible to do. Displayed for setting this amount
When the changeover switch 26 is pressed, the scheduled amount lamp 24 is turned on.
After setting, turn the setting dial 6 to set the scheduled amount
I do. This setting can be changed in 0.1 ml steps.
When the scheduled volume is set and injection is started,
When the amount reaches the scheduled amount, the scheduled amount lamp 24 flashes and
Sounds. When the set amount is set as described above,
Is a KVO (Keep Bain Open) machine
Performance is continued at a flow rate of 0.1 ml. I want to check on the way
If you press the stop / mute switch 28, the operation indicator
The indicator 7 lights and the buzzer stops. At this time, keep bay
The open / close function continues and the stop / mute switch 2
8 again, the operation indicator 7 goes out and the key
The open-vein function is canceled and the machine stops.
The injection in the scheduled dose mode ends. [0120] The re-alarm is performed in the standard mode and the mute mode.
Can be changed, the operation indicator 7 flashes red, and the buzzer
It is in a sounding state, and after the buzzer silences, an alarm condition
If the condition is not canceled, the beeper sounds again.
Normal mode and mute mode, alarm status for more than 2 minutes
Even if the condition continues, set to the state where the re-alarm function does not work
it can. The warning for forgetting to start is made in the standard mode and the mute mode.
The operation indicator 7 flashes red and the buzzer
Is in the standard mode, and can be started.
If the sound lasts for more than 2 minutes, the buzzer sounds
Mode and the mute mode, and the stop state is 2 minutes or less.
A mode in which the forgotten alarm function does not operate even if it continues
Can be set to Changing the syringe maker is performed by internal switching.
Although this is enabled by the switch, this special function setting
Can not be performed normally, since carelessness may cause an accident.
I am trying. Setting of the blockage detection pressure level and buzzer sound volume
Press the stop / mute switch 28 and press the display switch.
This is performed by pressing the switch 26. First, change the setting of the blockage detection pressure level.
Press the stop / mute switch 28 while pressing
When the indicator switch 26 is pressed, the flow rate,
“PrES” is displayed on the display unit 11 to enter the setting mode.
You. While holding down the stop / mute switch 28,
Release switch 26 and press it to set the closing pressure
Of the print characters near the value lamps 19a, 19b, 19c
"L", "M" and "H" are lit in order, so the desired setting
, Release your finger from all switches and stop / turn off
Press the sound switch 28 and press the integration clear switch 27
Thus, the blockage detection pressure level can be set. [0124] Changing the setting of the buzzer volume can be stopped / turned off.
While pressing the sound switch 28,
Press the switch 27 to display the flow rate / planned quantity / integrated quantity on the display unit 11,
“BEL * 2” is displayed and the setting mode is set. That
Clear the accumulation while pressing the stop / mute switch 28
When the switch 27 is released and pressed, the display becomes “bEL:
1], “bEL: 2”, “bEL: 3” and the buzzer volume
It changes according to large, medium, and small, so the desired volume is obtained.
Then release your finger from all the switches to set the buzzer volume.
Is done. [0125] The use of a DC power supply
Can also be used. In this case, the AC power cable is
From the DC connector on the right side of the main unit.
Connect a DC cable to the power supply 9. Then, the power switch
15 inserts the AC / DC lamp 16 to turn on the DC power.
A source is provided. Further, both AC power and DC power are supplied.
If not, the unit automatically switches to the built-in battery.
The AC / DC lamp 16 goes out and the built-in battery
It can be used continuously for about 2 hours. Also, the built-in battery
Lee is AC power or D regardless of power ON / OFF.
It is charged when the C power supply is connected. During this charge
The battery lamp 17 lights and the remaining battery power is
Display at three levels. Estimated battery level
Assuming that all three lamps are on,
When it can be used for more than 80 minutes and two lamps are lit
Has an operating time of about 30 minutes or more and has only one lamp
If it is lit, it can be used for about 15 minutes or more.
If all three are blinking, only two or one
No light indicates that the battery has deteriorated. Further, the remaining amount of the built-in battery is further reduced.
Then, the battery alarm lamp 22 flashes, and
Since the buzzer sounds, connect the AC power supply and immediately switch to AC or D
Use by connecting to the power supply of C. The above specifications can be summarized as follows.
The operating noise of the pump is quiet and less than 55dB even in the worst conditions
Under normal conditions (0.1-150 ml / h)
47 dB or less could be achieved at a position of 10 mm. Ma
Also, the cleaning performance is good, the outer layer is easy to clean,
Clean with gauze and cotton swab
It was possible to disassemble and wash to some extent without using any tools.
It is easy to maintain and requires special tools.
No supply is required because each component is unitized.
Easy to adjust, easy to adjust, and with an internal switch,
It is configured to display A / D value and confirm adjustment
I have. The noise margin is, for example, the electric knife.
Power supply impulse; 2K, assuming use near
V, 500nSec, radiation; 1KV, 3 directions
Was satisfied. Nearby mobile phone (5W)
It is designed to withstand use in In addition, static noise
The margin does not malfunction at 10KV, but breaks at 15KV.
Do not make noise standards domestic; VCIM Group
1 Class A and overseas; FCC Prat. 18 and CIS
PR 11 (IEC601-1-2) and VEDIN5
7871 was satisfied. The type of lightning protection is CLASS * I (3KV
TYPE CF (ground leakage; 0.5 mA or less)
Domestic; JIS T1001, T1002 and overseas; IE
C601-1 was satisfied. For chemical resistance, do not wipe with alcohol.
However, the outer layer is made to have chemical resistance similar to alcohol.
ABS grade V0, inscription, printing characters, display, etc.
The problem was solved by printing the back side so that the image did not disappear. The driving thrust (the force for pressing the pusher) is about a maximum.
Withstands about 20kgf at 15kgf and measured
The machine (feed) accuracy should be high accuracy within ± 1%
And guaranteed for each type of syringe manufacturer
Made it possible. More specifically, the amount of movement of the slider is actually measured.
Flow rate <1.0 ml / h 60 minutes (long-term); ± 5% or less 1.0 ml / h ≦ flow rate <5.0 ml / h 2 minute observation window; ± 2%
Below, 60 minutes (long-term); ± 1% or less 5.0 ml / h ≦ flow rate 2 minute observation window; ± 1%
I did it below. Further, the flow rate accuracy should be within ± 3%.
In order to guarantee for each kind of each manufacturer
The discharge amount was measured. 1.0 ml / h ≦ flow rate <5.0 ml / h 2 minute observation window; ± 5%
1.0 ml / h ≦ flow rate 60 minutes (long-term); ± 3% or less It was confirmed that 95% or more 10 minutes after the start. The standard of occurrence of the remaining amount alarm is 10 cc:
0.5 ml, 20 cc: 1.0 ml, 30 cc: 1.0
ml, 50 cc: 1.0 ml. The gamma amount display section 10 has a backlight (
Low or green) liquid crystal. 7 segments each
It is a number display wear. Weight, Kg, amount of drug, mg, solution
The amount ml, γ amount, μg / Kg / min can be displayed.
Weight: 4 digits of 7 SEG + 1 SEG of decimal point, amount of drug: 7 SEG
4 digits + 1 SEG decimal point, solution volume; 7 SEG 4 digits + decimal point
1 SEG, γ amount; displayed with 4 digits of 7 SEG + 1 SEG decimal point
I do. When the normal injection mode is selected, the entire screen
Turn off the light. The flow rate / integrated amount / scheduled amount display section 11 is
Easy LED display, 7 SEG 4 digits + 1 SE decimal point
When G is in γ mode setting, the flow rate is automatically displayed.
Switch. In addition, it corresponds to the set value during γ mode
When the flow rate display switches, when the integrated amount or the planned amount is displayed,
Automatically switches to flow rate display when left for about 15 seconds
Like that. Alarms are Er *, CPU runaway and switch
Occurs during operation and self-check, but is easy to understand
Color and no discomfort.
It is possible to switch between three levels of correspondence and volume (panel operation).
To store the set volume and display the volume level when setting.
ing. The maximum volume is 65dB or more 1m away
Yes, more self-excited (to alert when CPU runs away)
I have to. The timbre has three frequencies (about 2 to 4 KHz).
Degree) and the CPU can output PWM.
Alarm → PWM output, watchdog → hardware oscillation)
It is so. This volume switching procedure is described in (1)
Switched in alarm state (excluding low voltage and remaining battery)
If it is not possible, press the clear button and (2) press the stop switch.
Each time you press the switch while pressing, medium → large → small → medium →
・ Changes (buzzer emits 1.5 seconds) (3) Buzzer
Synchronously, in the flow rate display section, at 7 Seg, medium = “b−2”,
Large = "b-3" and small = "b-1" are displayed. (4)
The result is written in the EEPROM. As described above, according to the present invention,
At least the operation state for sending out from the separated position
To provide a syringe pump that can also be recognized
Can be.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an external perspective view of a syringe pump main body 1. FIG. 2 is a right side view of the main body 1 of FIG. FIG. 3 is a left side view of the main body 1 of FIG. FIG. 4 is a plan view of an operation panel unit 2f. FIG. 5A is an external perspective view of a main part of an upper cover 2 of a main body 1. FIG. (B) It is principal part sectional drawing of the clamp 5. FIG. FIG. 6A is an operation explanatory view of a clamp 5 for preparing a syringe set. (B) It is operation | movement explanatory drawing of the clamp 5 of a syringe set. FIG. 7 is an external perspective view of a slider feed mechanism. FIG. 8 is an external perspective view for explaining the operation of the slider feed mechanism. 9A is an external perspective view of the slider assembly 50. FIG. (B) It is the external appearance perspective view which showed and removed the cover 55. FIG. 10 is a front view of FIG. 9 (b). 11 is an external perspective view of the slider assembly 50. FIG. 12 is a front view of the slider assembly 50. FIG. 13 is a rear view of the slider assembly 50. FIG. FIG. 14 is a cross-sectional view of a main part for explaining an operation in which only a slider component 65 is omitted. FIG. 15 is a cross-sectional view of a main part for explaining an operation in which only a slider component 65 is omitted. FIG. 16 shows a slider part 65 and a plate cam part 64.
FIG. 6 is an external perspective view showing a mutual relationship between the stopper member and the stopper part. FIG. 17 shows a communication code. FIG. 18 is a block diagram of a connection state. FIG. 19 is a center sectional view of a setting dial. FIG. 20 is an exploded perspective view of a setting dial. FIG. 21 is a diagram illustrating the operation of a setting dial. FIG. 22 is a sectional view taken along the line XX of FIG. 19; FIG. 23 is a block diagram to which a Hall IC 71 is connected. FIG. 24 is an operation correspondence chart of a built-in buzzer. [Description of References] 1 ... Syringe pump body, 2 ... Top cover, 3 ... Bottom cover, 4 ... Rubber seal, 5 ... Clamp, 6 ... Setting dial, 7 ... Operation indicator, 7a-7d ... Light emitting diode, 8 ... AC Inlet, 9 DC power connector, 10
... Gamma setting display section, 11 ... Display section of flow rate / planned quantity / integrated quantity, 12 ... External communication connector, 13 ... Nurse call connector, 15 ... Power switch, 16 ... AC / DC lamp, 17 ... Battery lamp, 18 ... Syringe display lamps, 19a to 19c: blockage lamp, 21: remaining amount alarm lamp, 22: battery alarm lamp, 23: flow rate lamp, 24: scheduled amount lamp, 25: integrated amount lamp, 2
6: changeover switch, 27: totalization clear switch, 2
8 ... Stop / mute switch, 29 ... Start switch, 30 ...
Rapid feed switch, 33 ... Slider feed mechanism, 34 ... Base, 35 ... Motor (with encoder), 36 ... Gear train, 37 ... Lead screw, 38 ... Guide shaft, 39 ...
Clutch sensor plate, 40: Pipe shaft, 41: Block, 42: Bush, 43: Inner clutch shaft, 44: Nut holder, 45: Half nut, 4
6 sensor, 48 guide bush, 50 slider assembly, 51 boots, 52 clutch lever, 53
Right hook, 54 ... Left hook, 55 ... Cover, 57 ... Stopper parts, 60 ... Slider base, 61 ... Pin, 62
... torsion spring, 63 ... tension spring, 64 ... plate cam part, 65 ... slider part, 67 ... plate, 7
0: permanent magnet, 71: Hall IC, 72: embedded shaft, 73: metal bush, 74: magnetic ring

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-308568 (JP, A) JP-A-5-42209 (JP, A) JP-A-9-122239 (JP, A) 76637 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) A61M 5/145

Claims (1)

(57) [Claim 1] A syringe pump provided with recognition means and sounding means capable of recognizing an operation state for sending out even from a separated position while sending out a chemical solution, wherein the recognition means comprises: A display unit that is provided so as to protrude from above the syringe pump, changes a display color according to the operation state, and blinks and displays at a different rate with respect to a set flow rate, wherein the delivery can be started. When the stop state continues, the recognition means and the sounding means are synchronized, the recognition means blinks in red, and the sounding means can sound a buzzer.